junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 2 | * Copyright 2011 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include "GrGLProgram.h" |
| 9 | |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 10 | #include "GrAllocator.h" |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 11 | #include "GrCustomStage.h" |
| 12 | #include "GrGLProgramStage.h" |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 13 | #include "gl/GrGLShaderBuilder.h" |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 14 | #include "GrGLShaderVar.h" |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 15 | #include "GrProgramStageFactory.h" |
tomhudson@google.com | 0c8d93a | 2011-07-01 17:08:26 +0000 | [diff] [blame] | 16 | #include "SkTrace.h" |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 17 | #include "SkXfermode.h" |
| 18 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 19 | namespace { |
| 20 | |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 21 | enum { |
| 22 | /// Used to mark a StageUniLocation field that should be bound |
| 23 | /// to a uniform during getUniformLocationsAndInitCache(). |
| 24 | kUseUniform = 2000 |
| 25 | }; |
| 26 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 27 | } // namespace |
| 28 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 29 | #define PRINT_SHADERS 0 |
| 30 | |
bsalomon@google.com | 85b505b | 2011-11-07 14:56:51 +0000 | [diff] [blame] | 31 | typedef GrGLProgram::ProgramDesc::StageDesc StageDesc; |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 32 | |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 33 | #if GR_GL_ATTRIBUTE_MATRICES |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 34 | #define VIEW_MATRIX_NAME "aViewM" |
| 35 | #else |
| 36 | #define VIEW_MATRIX_NAME "uViewM" |
| 37 | #endif |
| 38 | |
| 39 | #define POS_ATTR_NAME "aPosition" |
| 40 | #define COL_ATTR_NAME "aColor" |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 41 | #define COV_ATTR_NAME "aCoverage" |
bsalomon@google.com | aeb2160 | 2011-08-30 18:13:44 +0000 | [diff] [blame] | 42 | #define EDGE_ATTR_NAME "aEdge" |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 43 | #define COL_UNI_NAME "uColor" |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 44 | #define COV_UNI_NAME "uCoverage" |
senorblanco@chromium.org | 92e0f22 | 2011-05-12 15:49:15 +0000 | [diff] [blame] | 45 | #define EDGES_UNI_NAME "uEdges" |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 46 | #define COL_FILTER_UNI_NAME "uColorFilter" |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 47 | #define COL_MATRIX_UNI_NAME "uColorMatrix" |
| 48 | #define COL_MATRIX_VEC_UNI_NAME "uColorMatrixVec" |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 49 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 50 | namespace { |
| 51 | inline void tex_attr_name(int coordIdx, GrStringBuilder* s) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 52 | *s = "aTexCoord"; |
bsalomon@google.com | fc29629 | 2011-05-06 13:53:47 +0000 | [diff] [blame] | 53 | s->appendS32(coordIdx); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 54 | } |
| 55 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 56 | inline const char* float_vector_type_str(int count) { |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 57 | return GrGLShaderVar::TypeString(GrSLFloatVectorType(count)); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 58 | } |
| 59 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 60 | inline const char* vector_all_coords(int count) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 61 | static const char* ALL[] = {"ERROR", "", ".xy", ".xyz", ".xyzw"}; |
| 62 | GrAssert(count >= 1 && count < (int)GR_ARRAY_COUNT(ALL)); |
| 63 | return ALL[count]; |
| 64 | } |
| 65 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 66 | inline const char* all_ones_vec(int count) { |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 67 | static const char* ONESVEC[] = {"ERROR", "1.0", "vec2(1,1)", |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 68 | "vec3(1,1,1)", "vec4(1,1,1,1)"}; |
| 69 | GrAssert(count >= 1 && count < (int)GR_ARRAY_COUNT(ONESVEC)); |
| 70 | return ONESVEC[count]; |
| 71 | } |
| 72 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 73 | inline const char* all_zeros_vec(int count) { |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 74 | static const char* ZEROSVEC[] = {"ERROR", "0.0", "vec2(0,0)", |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 75 | "vec3(0,0,0)", "vec4(0,0,0,0)"}; |
| 76 | GrAssert(count >= 1 && count < (int)GR_ARRAY_COUNT(ZEROSVEC)); |
| 77 | return ZEROSVEC[count]; |
| 78 | } |
| 79 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 80 | inline const char* declared_color_output_name() { return "fsColorOut"; } |
| 81 | inline const char* dual_source_output_name() { return "dualSourceOut"; } |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 82 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 83 | inline void tex_matrix_name(int stage, GrStringBuilder* s) { |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 84 | #if GR_GL_ATTRIBUTE_MATRICES |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 85 | *s = "aTexM"; |
| 86 | #else |
| 87 | *s = "uTexM"; |
| 88 | #endif |
bsalomon@google.com | fc29629 | 2011-05-06 13:53:47 +0000 | [diff] [blame] | 89 | s->appendS32(stage); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 90 | } |
| 91 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 92 | inline void normalized_texel_size_name(int stage, GrStringBuilder* s) { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 93 | *s = "uTexelSize"; |
bsalomon@google.com | fc29629 | 2011-05-06 13:53:47 +0000 | [diff] [blame] | 94 | s->appendS32(stage); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 95 | } |
| 96 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 97 | inline void sampler_name(int stage, GrStringBuilder* s) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 98 | *s = "uSampler"; |
bsalomon@google.com | fc29629 | 2011-05-06 13:53:47 +0000 | [diff] [blame] | 99 | s->appendS32(stage); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 100 | } |
| 101 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 102 | inline void radial2_param_name(int stage, GrStringBuilder* s) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 103 | *s = "uRadial2Params"; |
bsalomon@google.com | fc29629 | 2011-05-06 13:53:47 +0000 | [diff] [blame] | 104 | s->appendS32(stage); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 105 | } |
| 106 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 107 | inline void convolve_param_names(int stage, GrStringBuilder* k, GrStringBuilder* i) { |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 108 | *k = "uKernel"; |
| 109 | k->appendS32(stage); |
| 110 | *i = "uImageIncrement"; |
| 111 | i->appendS32(stage); |
| 112 | } |
| 113 | |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 114 | inline void image_increment_param_name(int stage, GrStringBuilder* i) { |
| 115 | *i = "uImageIncrement"; |
| 116 | i->appendS32(stage); |
| 117 | } |
| 118 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 119 | inline void tex_domain_name(int stage, GrStringBuilder* s) { |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 120 | *s = "uTexDom"; |
| 121 | s->appendS32(stage); |
| 122 | } |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 123 | } |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 124 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 125 | GrGLProgram::GrGLProgram() { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | GrGLProgram::~GrGLProgram() { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 129 | } |
| 130 | |
tomhudson@google.com | 0d3f1fb | 2011-06-01 19:27:31 +0000 | [diff] [blame] | 131 | void GrGLProgram::overrideBlend(GrBlendCoeff* srcCoeff, |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 132 | GrBlendCoeff* dstCoeff) const { |
| 133 | switch (fProgramDesc.fDualSrcOutput) { |
| 134 | case ProgramDesc::kNone_DualSrcOutput: |
| 135 | break; |
| 136 | // the prog will write a coverage value to the secondary |
| 137 | // output and the dst is blended by one minus that value. |
| 138 | case ProgramDesc::kCoverage_DualSrcOutput: |
| 139 | case ProgramDesc::kCoverageISA_DualSrcOutput: |
| 140 | case ProgramDesc::kCoverageISC_DualSrcOutput: |
| 141 | *dstCoeff = (GrBlendCoeff)GrGpu::kIS2C_BlendCoeff; |
| 142 | break; |
| 143 | default: |
| 144 | GrCrash("Unexpected dual source blend output"); |
| 145 | break; |
| 146 | } |
| 147 | } |
| 148 | |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 149 | // assigns modulation of two vars to an output var |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 150 | // vars can be vec4s or floats (or one of each) |
| 151 | // result is always vec4 |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 152 | // if either var is "" then assign to the other var |
| 153 | // if both are "" then assign all ones |
| 154 | static inline void modulate_helper(const char* outputVar, |
| 155 | const char* var0, |
| 156 | const char* var1, |
| 157 | GrStringBuilder* code) { |
| 158 | GrAssert(NULL != outputVar); |
| 159 | GrAssert(NULL != var0); |
| 160 | GrAssert(NULL != var1); |
| 161 | GrAssert(NULL != code); |
| 162 | |
| 163 | bool has0 = '\0' != *var0; |
| 164 | bool has1 = '\0' != *var1; |
| 165 | |
| 166 | if (!has0 && !has1) { |
| 167 | code->appendf("\t%s = %s;\n", outputVar, all_ones_vec(4)); |
| 168 | } else if (!has0) { |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 169 | code->appendf("\t%s = vec4(%s);\n", outputVar, var1); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 170 | } else if (!has1) { |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 171 | code->appendf("\t%s = vec4(%s);\n", outputVar, var0); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 172 | } else { |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 173 | code->appendf("\t%s = vec4(%s * %s);\n", outputVar, var0, var1); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 174 | } |
| 175 | } |
| 176 | |
| 177 | // assigns addition of two vars to an output var |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 178 | // vars can be vec4s or floats (or one of each) |
| 179 | // result is always vec4 |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 180 | // if either var is "" then assign to the other var |
| 181 | // if both are "" then assign all zeros |
| 182 | static inline void add_helper(const char* outputVar, |
| 183 | const char* var0, |
| 184 | const char* var1, |
| 185 | GrStringBuilder* code) { |
| 186 | GrAssert(NULL != outputVar); |
| 187 | GrAssert(NULL != var0); |
| 188 | GrAssert(NULL != var1); |
| 189 | GrAssert(NULL != code); |
| 190 | |
| 191 | bool has0 = '\0' != *var0; |
| 192 | bool has1 = '\0' != *var1; |
| 193 | |
| 194 | if (!has0 && !has1) { |
| 195 | code->appendf("\t%s = %s;\n", outputVar, all_zeros_vec(4)); |
| 196 | } else if (!has0) { |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 197 | code->appendf("\t%s = vec4(%s);\n", outputVar, var1); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 198 | } else if (!has1) { |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 199 | code->appendf("\t%s = vec4(%s);\n", outputVar, var0); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 200 | } else { |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 201 | code->appendf("\t%s = vec4(%s + %s);\n", outputVar, var0, var1); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 202 | } |
| 203 | } |
| 204 | |
| 205 | // given two blend coeffecients determine whether the src |
| 206 | // and/or dst computation can be omitted. |
| 207 | static inline void needBlendInputs(SkXfermode::Coeff srcCoeff, |
| 208 | SkXfermode::Coeff dstCoeff, |
| 209 | bool* needSrcValue, |
| 210 | bool* needDstValue) { |
| 211 | if (SkXfermode::kZero_Coeff == srcCoeff) { |
| 212 | switch (dstCoeff) { |
| 213 | // these all read the src |
| 214 | case SkXfermode::kSC_Coeff: |
| 215 | case SkXfermode::kISC_Coeff: |
| 216 | case SkXfermode::kSA_Coeff: |
| 217 | case SkXfermode::kISA_Coeff: |
| 218 | *needSrcValue = true; |
| 219 | break; |
| 220 | default: |
| 221 | *needSrcValue = false; |
| 222 | break; |
| 223 | } |
| 224 | } else { |
| 225 | *needSrcValue = true; |
| 226 | } |
| 227 | if (SkXfermode::kZero_Coeff == dstCoeff) { |
| 228 | switch (srcCoeff) { |
| 229 | // these all read the dst |
| 230 | case SkXfermode::kDC_Coeff: |
| 231 | case SkXfermode::kIDC_Coeff: |
| 232 | case SkXfermode::kDA_Coeff: |
| 233 | case SkXfermode::kIDA_Coeff: |
| 234 | *needDstValue = true; |
| 235 | break; |
| 236 | default: |
| 237 | *needDstValue = false; |
| 238 | break; |
| 239 | } |
| 240 | } else { |
| 241 | *needDstValue = true; |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 242 | } |
| 243 | } |
| 244 | |
| 245 | /** |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 246 | * Create a blend_coeff * value string to be used in shader code. Sets empty |
| 247 | * string if result is trivially zero. |
| 248 | */ |
| 249 | static void blendTermString(GrStringBuilder* str, SkXfermode::Coeff coeff, |
| 250 | const char* src, const char* dst, |
| 251 | const char* value) { |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 252 | switch (coeff) { |
| 253 | case SkXfermode::kZero_Coeff: /** 0 */ |
| 254 | *str = ""; |
| 255 | break; |
| 256 | case SkXfermode::kOne_Coeff: /** 1 */ |
| 257 | *str = value; |
| 258 | break; |
| 259 | case SkXfermode::kSC_Coeff: |
| 260 | str->printf("(%s * %s)", src, value); |
| 261 | break; |
| 262 | case SkXfermode::kISC_Coeff: |
| 263 | str->printf("((%s - %s) * %s)", all_ones_vec(4), src, value); |
| 264 | break; |
| 265 | case SkXfermode::kDC_Coeff: |
| 266 | str->printf("(%s * %s)", dst, value); |
| 267 | break; |
| 268 | case SkXfermode::kIDC_Coeff: |
| 269 | str->printf("((%s - %s) * %s)", all_ones_vec(4), dst, value); |
| 270 | break; |
| 271 | case SkXfermode::kSA_Coeff: /** src alpha */ |
| 272 | str->printf("(%s.a * %s)", src, value); |
| 273 | break; |
| 274 | case SkXfermode::kISA_Coeff: /** inverse src alpha (i.e. 1 - sa) */ |
| 275 | str->printf("((1.0 - %s.a) * %s)", src, value); |
| 276 | break; |
| 277 | case SkXfermode::kDA_Coeff: /** dst alpha */ |
| 278 | str->printf("(%s.a * %s)", dst, value); |
| 279 | break; |
| 280 | case SkXfermode::kIDA_Coeff: /** inverse dst alpha (i.e. 1 - da) */ |
| 281 | str->printf("((1.0 - %s.a) * %s)", dst, value); |
| 282 | break; |
| 283 | default: |
| 284 | GrCrash("Unexpected xfer coeff."); |
| 285 | break; |
| 286 | } |
| 287 | } |
| 288 | /** |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 289 | * Adds a line to the fragment shader code which modifies the color by |
| 290 | * the specified color filter. |
| 291 | */ |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 292 | static void addColorFilter(GrStringBuilder* fsCode, const char * outputVar, |
tomhudson@google.com | 0d3f1fb | 2011-06-01 19:27:31 +0000 | [diff] [blame] | 293 | SkXfermode::Coeff uniformCoeff, |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 294 | SkXfermode::Coeff colorCoeff, |
| 295 | const char* inColor) { |
| 296 | GrStringBuilder colorStr, constStr; |
| 297 | blendTermString(&colorStr, colorCoeff, COL_FILTER_UNI_NAME, |
| 298 | inColor, inColor); |
| 299 | blendTermString(&constStr, uniformCoeff, COL_FILTER_UNI_NAME, |
| 300 | inColor, COL_FILTER_UNI_NAME); |
| 301 | |
| 302 | add_helper(outputVar, colorStr.c_str(), constStr.c_str(), fsCode); |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 303 | } |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 304 | /** |
| 305 | * Adds code to the fragment shader code which modifies the color by |
| 306 | * the specified color matrix. |
| 307 | */ |
| 308 | static void addColorMatrix(GrStringBuilder* fsCode, const char * outputVar, |
| 309 | const char* inColor) { |
senorblanco@chromium.org | b3a39b5 | 2012-01-05 18:28:56 +0000 | [diff] [blame] | 310 | fsCode->appendf("\t%s = %s * vec4(%s.rgb / %s.a, %s.a) + %s;\n", outputVar, COL_MATRIX_UNI_NAME, inColor, inColor, inColor, COL_MATRIX_VEC_UNI_NAME); |
| 311 | fsCode->appendf("\t%s.rgb *= %s.a;\n", outputVar, outputVar); |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 312 | } |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 313 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 314 | void GrGLProgram::genEdgeCoverage(const GrGLContextInfo& gl, |
bsalomon@google.com | 6610567 | 2011-09-15 15:12:00 +0000 | [diff] [blame] | 315 | GrVertexLayout layout, |
| 316 | CachedData* programData, |
| 317 | GrStringBuilder* coverageVar, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 318 | GrGLShaderBuilder* segments) const { |
bsalomon@google.com | 7ffe681 | 2012-05-11 17:32:43 +0000 | [diff] [blame] | 319 | if (layout & GrDrawTarget::kEdge_VertexLayoutBit) { |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 320 | const char *vsName, *fsName; |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 321 | segments->appendVarying(kVec4f_GrSLType, "Edge", &vsName, &fsName); |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 322 | segments->fVSAttrs.push_back().set(kVec4f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 323 | GrGLShaderVar::kAttribute_TypeModifier, EDGE_ATTR_NAME); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 324 | segments->fVSCode.appendf("\t%s = " EDGE_ATTR_NAME ";\n", vsName); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 325 | switch (fProgramDesc.fVertexEdgeType) { |
| 326 | case GrDrawState::kHairLine_EdgeType: |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 327 | segments->fFSCode.appendf("\tfloat edgeAlpha = abs(dot(vec3(gl_FragCoord.xy,1), %s.xyz));\n", fsName); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 328 | segments->fFSCode.append("\tedgeAlpha = max(1.0 - edgeAlpha, 0.0);\n"); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 329 | break; |
| 330 | case GrDrawState::kQuad_EdgeType: |
vandebo@chromium.org | b9682d3 | 2012-02-21 18:53:39 +0000 | [diff] [blame] | 331 | segments->fFSCode.append("\tfloat edgeAlpha;\n"); |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 332 | // keep the derivative instructions outside the conditional |
| 333 | segments->fFSCode.appendf("\tvec2 duvdx = dFdx(%s.xy);\n", fsName); |
| 334 | segments->fFSCode.appendf("\tvec2 duvdy = dFdy(%s.xy);\n", fsName); |
| 335 | segments->fFSCode.appendf("\tif (%s.z > 0.0 && %s.w > 0.0) {\n", fsName, fsName); |
| 336 | // today we know z and w are in device space. We could use derivatives |
| 337 | segments->fFSCode.appendf("\t\tedgeAlpha = min(min(%s.z, %s.w) + 0.5, 1.0);\n", fsName, fsName); |
| 338 | segments->fFSCode.append ("\t} else {\n"); |
| 339 | segments->fFSCode.appendf("\t\tvec2 gF = vec2(2.0*%s.x*duvdx.x - duvdx.y,\n" |
| 340 | "\t\t 2.0*%s.x*duvdy.x - duvdy.y);\n", |
| 341 | fsName, fsName); |
| 342 | segments->fFSCode.appendf("\t\tedgeAlpha = (%s.x*%s.x - %s.y);\n", fsName, fsName, fsName); |
vandebo@chromium.org | b9682d3 | 2012-02-21 18:53:39 +0000 | [diff] [blame] | 343 | segments->fFSCode.append("\t\tedgeAlpha = clamp(0.5 - edgeAlpha / length(gF), 0.0, 1.0);\n" |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 344 | "\t}\n"); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 345 | if (kES2_GrGLBinding == gl.binding()) { |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 346 | segments->fHeader.printf("#extension GL_OES_standard_derivatives: enable\n"); |
| 347 | } |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 348 | break; |
| 349 | case GrDrawState::kHairQuad_EdgeType: |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 350 | segments->fFSCode.appendf("\tvec2 duvdx = dFdx(%s.xy);\n", fsName); |
| 351 | segments->fFSCode.appendf("\tvec2 duvdy = dFdy(%s.xy);\n", fsName); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 352 | segments->fFSCode.appendf("\tvec2 gF = vec2(2.0*%s.x*duvdx.x - duvdx.y,\n" |
| 353 | "\t 2.0*%s.x*duvdy.x - duvdy.y);\n", |
| 354 | fsName, fsName); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 355 | segments->fFSCode.appendf("\tfloat edgeAlpha = (%s.x*%s.x - %s.y);\n", fsName, fsName, fsName); |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 356 | segments->fFSCode.append("\tedgeAlpha = sqrt(edgeAlpha*edgeAlpha / dot(gF, gF));\n"); |
| 357 | segments->fFSCode.append("\tedgeAlpha = max(1.0 - edgeAlpha, 0.0);\n"); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 358 | if (kES2_GrGLBinding == gl.binding()) { |
bsalomon@google.com | 6610567 | 2011-09-15 15:12:00 +0000 | [diff] [blame] | 359 | segments->fHeader.printf("#extension GL_OES_standard_derivatives: enable\n"); |
| 360 | } |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 361 | break; |
| 362 | case GrDrawState::kCircle_EdgeType: |
| 363 | segments->fFSCode.append("\tfloat edgeAlpha;\n"); |
| 364 | segments->fFSCode.appendf("\tfloat d = distance(gl_FragCoord.xy, %s.xy);\n", fsName); |
| 365 | segments->fFSCode.appendf("\tfloat outerAlpha = smoothstep(d - 0.5, d + 0.5, %s.z);\n", fsName); |
| 366 | segments->fFSCode.appendf("\tfloat innerAlpha = %s.w == 0.0 ? 1.0 : smoothstep(%s.w - 0.5, %s.w + 0.5, d);\n", fsName, fsName, fsName); |
| 367 | segments->fFSCode.append("\tedgeAlpha = outerAlpha * innerAlpha;\n"); |
| 368 | break; |
| 369 | default: |
| 370 | GrCrash("Unknown Edge Type!"); |
| 371 | break; |
bsalomon@google.com | 6610567 | 2011-09-15 15:12:00 +0000 | [diff] [blame] | 372 | } |
bsalomon@google.com | 6610567 | 2011-09-15 15:12:00 +0000 | [diff] [blame] | 373 | *coverageVar = "edgeAlpha"; |
| 374 | } else { |
| 375 | coverageVar->reset(); |
| 376 | } |
| 377 | } |
| 378 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 379 | namespace { |
| 380 | |
bsalomon@google.com | 85b505b | 2011-11-07 14:56:51 +0000 | [diff] [blame] | 381 | void genInputColor(GrGLProgram::ProgramDesc::ColorInput colorInput, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 382 | GrGLProgram::CachedData* programData, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 383 | GrGLShaderBuilder* segments, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 384 | GrStringBuilder* inColor) { |
bsalomon@google.com | 85b505b | 2011-11-07 14:56:51 +0000 | [diff] [blame] | 385 | switch (colorInput) { |
| 386 | case GrGLProgram::ProgramDesc::kAttribute_ColorInput: { |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 387 | segments->fVSAttrs.push_back().set(kVec4f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 388 | GrGLShaderVar::kAttribute_TypeModifier, |
| 389 | COL_ATTR_NAME); |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 390 | const char *vsName, *fsName; |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 391 | segments->appendVarying(kVec4f_GrSLType, "Color", &vsName, &fsName); |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 392 | segments->fVSCode.appendf("\t%s = " COL_ATTR_NAME ";\n", vsName); |
| 393 | *inColor = fsName; |
| 394 | } break; |
bsalomon@google.com | 85b505b | 2011-11-07 14:56:51 +0000 | [diff] [blame] | 395 | case GrGLProgram::ProgramDesc::kUniform_ColorInput: |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 396 | segments->fFSUnis.push_back().set(kVec4f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 397 | GrGLShaderVar::kUniform_TypeModifier, |
| 398 | COL_UNI_NAME); |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 399 | programData->fUniLocations.fColorUni = kUseUniform; |
| 400 | *inColor = COL_UNI_NAME; |
| 401 | break; |
bsalomon@google.com | 85b505b | 2011-11-07 14:56:51 +0000 | [diff] [blame] | 402 | case GrGLProgram::ProgramDesc::kTransBlack_ColorInput: |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 403 | GrAssert(!"needComputedColor should be false."); |
| 404 | break; |
bsalomon@google.com | 85b505b | 2011-11-07 14:56:51 +0000 | [diff] [blame] | 405 | case GrGLProgram::ProgramDesc::kSolidWhite_ColorInput: |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 406 | break; |
| 407 | default: |
| 408 | GrCrash("Unknown color type."); |
| 409 | break; |
| 410 | } |
| 411 | } |
| 412 | |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 413 | void genAttributeCoverage(GrGLShaderBuilder* segments, |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 414 | GrStringBuilder* inOutCoverage) { |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 415 | segments->fVSAttrs.push_back().set(kVec4f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 416 | GrGLShaderVar::kAttribute_TypeModifier, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 417 | COV_ATTR_NAME); |
| 418 | const char *vsName, *fsName; |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 419 | segments->appendVarying(kVec4f_GrSLType, "Coverage", &vsName, &fsName); |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 420 | segments->fVSCode.appendf("\t%s = " COV_ATTR_NAME ";\n", vsName); |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 421 | if (inOutCoverage->size()) { |
| 422 | segments->fFSCode.appendf("\tvec4 attrCoverage = %s * %s;\n", |
| 423 | fsName, inOutCoverage->c_str()); |
| 424 | *inOutCoverage = "attrCoverage"; |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 425 | } else { |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 426 | *inOutCoverage = fsName; |
| 427 | } |
| 428 | } |
| 429 | |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 430 | void genUniformCoverage(GrGLShaderBuilder* segments, |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 431 | GrGLProgram::CachedData* programData, |
| 432 | GrStringBuilder* inOutCoverage) { |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 433 | segments->fFSUnis.push_back().set(kVec4f_GrSLType, |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 434 | GrGLShaderVar::kUniform_TypeModifier, |
| 435 | COV_UNI_NAME); |
| 436 | programData->fUniLocations.fCoverageUni = kUseUniform; |
| 437 | if (inOutCoverage->size()) { |
| 438 | segments->fFSCode.appendf("\tvec4 uniCoverage = %s * %s;\n", |
| 439 | COV_UNI_NAME, inOutCoverage->c_str()); |
| 440 | *inOutCoverage = "uniCoverage"; |
| 441 | } else { |
| 442 | *inOutCoverage = COV_UNI_NAME; |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 443 | } |
| 444 | } |
| 445 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 446 | } |
| 447 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 448 | void GrGLProgram::genGeometryShader(const GrGLContextInfo& gl, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 449 | GrGLShaderBuilder* segments) const { |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 450 | #if GR_GL_EXPERIMENTAL_GS |
| 451 | if (fProgramDesc.fExperimentalGS) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 452 | GrAssert(gl.glslGeneration() >= k150_GrGLSLGeneration); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 453 | segments->fGSHeader.append("layout(triangles) in;\n" |
| 454 | "layout(triangle_strip, max_vertices = 6) out;\n"); |
| 455 | segments->fGSCode.append("void main() {\n" |
| 456 | "\tfor (int i = 0; i < 3; ++i) {\n" |
| 457 | "\t\tgl_Position = gl_in[i].gl_Position;\n"); |
| 458 | if (this->fProgramDesc.fEmitsPointSize) { |
| 459 | segments->fGSCode.append("\t\tgl_PointSize = 1.0;\n"); |
| 460 | } |
| 461 | GrAssert(segments->fGSInputs.count() == segments->fGSOutputs.count()); |
| 462 | int count = segments->fGSInputs.count(); |
| 463 | for (int i = 0; i < count; ++i) { |
| 464 | segments->fGSCode.appendf("\t\t%s = %s[i];\n", |
| 465 | segments->fGSOutputs[i].getName().c_str(), |
| 466 | segments->fGSInputs[i].getName().c_str()); |
| 467 | } |
| 468 | segments->fGSCode.append("\t\tEmitVertex();\n" |
| 469 | "\t}\n" |
| 470 | "\tEndPrimitive();\n" |
| 471 | "}\n"); |
| 472 | } |
| 473 | #endif |
| 474 | } |
| 475 | |
senorblanco@chromium.org | b3a39b5 | 2012-01-05 18:28:56 +0000 | [diff] [blame] | 476 | const char* GrGLProgram::adjustInColor(const GrStringBuilder& inColor) const { |
senorblanco@chromium.org | b3a39b5 | 2012-01-05 18:28:56 +0000 | [diff] [blame] | 477 | if (inColor.size()) { |
| 478 | return inColor.c_str(); |
| 479 | } else { |
| 480 | if (ProgramDesc::kSolidWhite_ColorInput == fProgramDesc.fColorInput) { |
| 481 | return all_ones_vec(4); |
| 482 | } else { |
| 483 | return all_zeros_vec(4); |
| 484 | } |
| 485 | } |
| 486 | } |
| 487 | |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 488 | // If this destructor is in the header file, we must include GrGLProgramStage |
| 489 | // instead of just forward-declaring it. |
| 490 | GrGLProgram::CachedData::~CachedData() { |
| 491 | for (int i = 0; i < GrDrawState::kNumStages; ++i) { |
| 492 | delete fCustomStage[i]; |
| 493 | } |
| 494 | } |
| 495 | |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 496 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 497 | bool GrGLProgram::genProgram(const GrGLContextInfo& gl, |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 498 | GrCustomStage** customStages, |
bsalomon@google.com | 0b77d68 | 2011-08-19 13:28:54 +0000 | [diff] [blame] | 499 | GrGLProgram::CachedData* programData) const { |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 500 | GrGLShaderBuilder segments; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 501 | const uint32_t& layout = fProgramDesc.fVertexLayout; |
| 502 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 503 | programData->fUniLocations.reset(); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 504 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 505 | #if GR_GL_EXPERIMENTAL_GS |
| 506 | segments.fUsesGS = fProgramDesc.fExperimentalGS; |
| 507 | #endif |
| 508 | |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 509 | SkXfermode::Coeff colorCoeff, uniformCoeff; |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 510 | bool applyColorMatrix = SkToBool(fProgramDesc.fColorMatrixEnabled); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 511 | // The rest of transfer mode color filters have not been implemented |
| 512 | if (fProgramDesc.fColorFilterXfermode < SkXfermode::kCoeffModesCnt) { |
| 513 | GR_DEBUGCODE(bool success =) |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 514 | SkXfermode::ModeAsCoeff(static_cast<SkXfermode::Mode> |
| 515 | (fProgramDesc.fColorFilterXfermode), |
| 516 | &uniformCoeff, &colorCoeff); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 517 | GR_DEBUGASSERT(success); |
| 518 | } else { |
| 519 | colorCoeff = SkXfermode::kOne_Coeff; |
| 520 | uniformCoeff = SkXfermode::kZero_Coeff; |
| 521 | } |
| 522 | |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 523 | // no need to do the color filter / matrix at all if coverage is 0. The |
| 524 | // output color is scaled by the coverage. All the dual source outputs are |
| 525 | // scaled by the coverage as well. |
| 526 | if (ProgramDesc::kTransBlack_ColorInput == fProgramDesc.fCoverageInput) { |
| 527 | colorCoeff = SkXfermode::kZero_Coeff; |
| 528 | uniformCoeff = SkXfermode::kZero_Coeff; |
| 529 | applyColorMatrix = false; |
| 530 | } |
| 531 | |
bsalomon@google.com | 86c1f71 | 2011-10-12 14:54:26 +0000 | [diff] [blame] | 532 | // If we know the final color is going to be all zeros then we can |
| 533 | // simplify the color filter coeffecients. needComputedColor will then |
| 534 | // come out false below. |
bsalomon@google.com | 85b505b | 2011-11-07 14:56:51 +0000 | [diff] [blame] | 535 | if (ProgramDesc::kTransBlack_ColorInput == fProgramDesc.fColorInput) { |
bsalomon@google.com | 86c1f71 | 2011-10-12 14:54:26 +0000 | [diff] [blame] | 536 | colorCoeff = SkXfermode::kZero_Coeff; |
| 537 | if (SkXfermode::kDC_Coeff == uniformCoeff || |
| 538 | SkXfermode::kDA_Coeff == uniformCoeff) { |
| 539 | uniformCoeff = SkXfermode::kZero_Coeff; |
| 540 | } else if (SkXfermode::kIDC_Coeff == uniformCoeff || |
| 541 | SkXfermode::kIDA_Coeff == uniformCoeff) { |
| 542 | uniformCoeff = SkXfermode::kOne_Coeff; |
| 543 | } |
| 544 | } |
| 545 | |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 546 | bool needColorFilterUniform; |
| 547 | bool needComputedColor; |
| 548 | needBlendInputs(uniformCoeff, colorCoeff, |
| 549 | &needColorFilterUniform, &needComputedColor); |
| 550 | |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 551 | // the dual source output has no canonical var name, have to |
| 552 | // declare an output, which is incompatible with gl_FragColor/gl_FragData. |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 553 | bool dualSourceOutputWritten = false; |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 554 | segments.fHeader.printf(GrGetGLSLVersionDecl(gl.binding(), |
| 555 | gl.glslGeneration())); |
bsalomon@google.com | e55fd0f | 2012-02-10 15:56:06 +0000 | [diff] [blame] | 556 | |
| 557 | GrGLShaderVar colorOutput; |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 558 | bool isColorDeclared = GrGLSLSetupFSColorOuput(gl.glslGeneration(), |
bsalomon@google.com | e55fd0f | 2012-02-10 15:56:06 +0000 | [diff] [blame] | 559 | declared_color_output_name(), |
| 560 | &colorOutput); |
| 561 | if (isColorDeclared) { |
| 562 | segments.fFSOutputs.push_back(colorOutput); |
| 563 | } |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 564 | |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 565 | #if GR_GL_ATTRIBUTE_MATRICES |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 566 | segments.fVSAttrs.push_back().set(kMat33f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 567 | GrGLShaderVar::kAttribute_TypeModifier, VIEW_MATRIX_NAME); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 568 | programData->fUniLocations.fViewMatrixUni = kSetAsAttribute; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 569 | #else |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 570 | segments.fVSUnis.push_back().set(kMat33f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 571 | GrGLShaderVar::kUniform_TypeModifier, VIEW_MATRIX_NAME); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 572 | programData->fUniLocations.fViewMatrixUni = kUseUniform; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 573 | #endif |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 574 | segments.fVSAttrs.push_back().set(kVec2f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 575 | GrGLShaderVar::kAttribute_TypeModifier, POS_ATTR_NAME); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 576 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 577 | segments.fVSCode.append( |
| 578 | "void main() {\n" |
| 579 | "\tvec3 pos3 = " VIEW_MATRIX_NAME " * vec3("POS_ATTR_NAME", 1);\n" |
| 580 | "\tgl_Position = vec4(pos3.xy, 0, pos3.z);\n"); |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 581 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 582 | // incoming color to current stage being processed. |
| 583 | GrStringBuilder inColor; |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 584 | |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 585 | if (needComputedColor) { |
bsalomon@google.com | 85b505b | 2011-11-07 14:56:51 +0000 | [diff] [blame] | 586 | genInputColor((ProgramDesc::ColorInput) fProgramDesc.fColorInput, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 587 | programData, &segments, &inColor); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 588 | } |
| 589 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 590 | // we output point size in the GS if present |
| 591 | if (fProgramDesc.fEmitsPointSize && !segments.fUsesGS){ |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 592 | segments.fVSCode.append("\tgl_PointSize = 1.0;\n"); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 593 | } |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 594 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 595 | segments.fFSCode.append("void main() {\n"); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 596 | |
| 597 | // add texture coordinates that are used to the list of vertex attr decls |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 598 | GrStringBuilder texCoordAttrs[GrDrawState::kMaxTexCoords]; |
| 599 | for (int t = 0; t < GrDrawState::kMaxTexCoords; ++t) { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 600 | if (GrDrawTarget::VertexUsesTexCoordIdx(t, layout)) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 601 | tex_attr_name(t, texCoordAttrs + t); |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 602 | segments.fVSAttrs.push_back().set(kVec2f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 603 | GrGLShaderVar::kAttribute_TypeModifier, |
| 604 | texCoordAttrs[t].c_str()); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 605 | } |
| 606 | } |
| 607 | |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 608 | /////////////////////////////////////////////////////////////////////////// |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 609 | // We need to convert generic effect representations to GL-specific |
| 610 | // backends so they can be accesseed in genStageCode() and in subsequent, |
| 611 | // uses of programData, but it's safest to do so below when we're *sure* |
| 612 | // we need them. |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 613 | for (int s = 0; s < GrDrawState::kNumStages; ++s) { |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 614 | programData->fCustomStage[s] = NULL; |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 615 | } |
| 616 | |
| 617 | /////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 618 | // compute the final color |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 619 | |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 620 | // if we have color stages string them together, feeding the output color |
| 621 | // of each to the next and generating code for each stage. |
| 622 | if (needComputedColor) { |
| 623 | GrStringBuilder outColor; |
| 624 | for (int s = 0; s < fProgramDesc.fFirstCoverageStage; ++s) { |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 625 | if (fProgramDesc.fStages[s].isEnabled()) { |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 626 | // create var to hold stage result |
| 627 | outColor = "color"; |
| 628 | outColor.appendS32(s); |
| 629 | segments.fFSCode.appendf("\tvec4 %s;\n", outColor.c_str()); |
| 630 | |
| 631 | const char* inCoords; |
| 632 | // figure out what our input coords are |
| 633 | if (GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(s) & |
| 634 | layout) { |
| 635 | inCoords = POS_ATTR_NAME; |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 636 | } else { |
| 637 | int tcIdx = GrDrawTarget::VertexTexCoordsForStage(s, layout); |
| 638 | // we better have input tex coordinates if stage is enabled. |
| 639 | GrAssert(tcIdx >= 0); |
| 640 | GrAssert(texCoordAttrs[tcIdx].size()); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 641 | inCoords = texCoordAttrs[tcIdx].c_str(); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 642 | } |
| 643 | |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 644 | if (NULL != customStages[s]) { |
| 645 | GrProgramStageFactory* factory = |
| 646 | customStages[s]->getFactory(); |
| 647 | programData->fCustomStage[s] = |
| 648 | factory->createGLInstance(customStages[s]); |
| 649 | } |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 650 | this->genStageCode(gl, |
| 651 | s, |
| 652 | fProgramDesc.fStages[s], |
| 653 | inColor.size() ? inColor.c_str() : NULL, |
| 654 | outColor.c_str(), |
| 655 | inCoords, |
| 656 | &segments, |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 657 | &programData->fUniLocations.fStages[s], |
| 658 | programData->fCustomStage[s]); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 659 | inColor = outColor; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 660 | } |
| 661 | } |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 662 | } |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 663 | |
bsalomon@google.com | 86c1f71 | 2011-10-12 14:54:26 +0000 | [diff] [blame] | 664 | // if have all ones or zeros for the "dst" input to the color filter then we |
| 665 | // may be able to make additional optimizations. |
| 666 | if (needColorFilterUniform && needComputedColor && !inColor.size()) { |
bsalomon@google.com | 85b505b | 2011-11-07 14:56:51 +0000 | [diff] [blame] | 667 | GrAssert(ProgramDesc::kSolidWhite_ColorInput == fProgramDesc.fColorInput); |
bsalomon@google.com | 86c1f71 | 2011-10-12 14:54:26 +0000 | [diff] [blame] | 668 | bool uniformCoeffIsZero = SkXfermode::kIDC_Coeff == uniformCoeff || |
| 669 | SkXfermode::kIDA_Coeff == uniformCoeff; |
| 670 | if (uniformCoeffIsZero) { |
| 671 | uniformCoeff = SkXfermode::kZero_Coeff; |
| 672 | bool bogus; |
| 673 | needBlendInputs(SkXfermode::kZero_Coeff, colorCoeff, |
| 674 | &needColorFilterUniform, &bogus); |
| 675 | } |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 676 | } |
| 677 | if (needColorFilterUniform) { |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 678 | segments.fFSUnis.push_back().set(kVec4f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 679 | GrGLShaderVar::kUniform_TypeModifier, |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 680 | COL_FILTER_UNI_NAME); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 681 | programData->fUniLocations.fColorFilterUni = kUseUniform; |
| 682 | } |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 683 | bool wroteFragColorZero = false; |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 684 | if (SkXfermode::kZero_Coeff == uniformCoeff && |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 685 | SkXfermode::kZero_Coeff == colorCoeff && |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 686 | !applyColorMatrix) { |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 687 | segments.fFSCode.appendf("\t%s = %s;\n", |
bsalomon@google.com | e55fd0f | 2012-02-10 15:56:06 +0000 | [diff] [blame] | 688 | colorOutput.getName().c_str(), |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 689 | all_zeros_vec(4)); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 690 | wroteFragColorZero = true; |
| 691 | } else if (SkXfermode::kDst_Mode != fProgramDesc.fColorFilterXfermode) { |
vandebo@chromium.org | b9682d3 | 2012-02-21 18:53:39 +0000 | [diff] [blame] | 692 | segments.fFSCode.append("\tvec4 filteredColor;\n"); |
senorblanco@chromium.org | b3a39b5 | 2012-01-05 18:28:56 +0000 | [diff] [blame] | 693 | const char* color = adjustInColor(inColor); |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 694 | addColorFilter(&segments.fFSCode, "filteredColor", uniformCoeff, |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 695 | colorCoeff, color); |
| 696 | inColor = "filteredColor"; |
| 697 | } |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 698 | if (applyColorMatrix) { |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 699 | segments.fFSUnis.push_back().set(kMat44f_GrSLType, |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 700 | GrGLShaderVar::kUniform_TypeModifier, |
| 701 | COL_MATRIX_UNI_NAME); |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 702 | segments.fFSUnis.push_back().set(kVec4f_GrSLType, |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 703 | GrGLShaderVar::kUniform_TypeModifier, |
| 704 | COL_MATRIX_VEC_UNI_NAME); |
| 705 | programData->fUniLocations.fColorMatrixUni = kUseUniform; |
| 706 | programData->fUniLocations.fColorMatrixVecUni = kUseUniform; |
vandebo@chromium.org | b9682d3 | 2012-02-21 18:53:39 +0000 | [diff] [blame] | 707 | segments.fFSCode.append("\tvec4 matrixedColor;\n"); |
senorblanco@chromium.org | b3a39b5 | 2012-01-05 18:28:56 +0000 | [diff] [blame] | 708 | const char* color = adjustInColor(inColor); |
| 709 | addColorMatrix(&segments.fFSCode, "matrixedColor", color); |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 710 | inColor = "matrixedColor"; |
| 711 | } |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 712 | |
| 713 | /////////////////////////////////////////////////////////////////////////// |
| 714 | // compute the partial coverage (coverage stages and edge aa) |
| 715 | |
| 716 | GrStringBuilder inCoverage; |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 717 | bool coverageIsZero = ProgramDesc::kTransBlack_ColorInput == |
| 718 | fProgramDesc.fCoverageInput; |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 719 | // we don't need to compute coverage at all if we know the final shader |
| 720 | // output will be zero and we don't have a dual src blend output. |
| 721 | if (!wroteFragColorZero || |
| 722 | ProgramDesc::kNone_DualSrcOutput != fProgramDesc.fDualSrcOutput) { |
bsalomon@google.com | 6610567 | 2011-09-15 15:12:00 +0000 | [diff] [blame] | 723 | |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 724 | if (!coverageIsZero) { |
| 725 | this->genEdgeCoverage(gl, |
| 726 | layout, |
| 727 | programData, |
| 728 | &inCoverage, |
| 729 | &segments); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 730 | |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 731 | switch (fProgramDesc.fCoverageInput) { |
| 732 | case ProgramDesc::kSolidWhite_ColorInput: |
| 733 | // empty string implies solid white |
| 734 | break; |
| 735 | case ProgramDesc::kAttribute_ColorInput: |
| 736 | genAttributeCoverage(&segments, &inCoverage); |
| 737 | break; |
| 738 | case ProgramDesc::kUniform_ColorInput: |
| 739 | genUniformCoverage(&segments, programData, &inCoverage); |
| 740 | break; |
| 741 | default: |
| 742 | GrCrash("Unexpected input coverage."); |
| 743 | } |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 744 | |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 745 | GrStringBuilder outCoverage; |
| 746 | const int& startStage = fProgramDesc.fFirstCoverageStage; |
| 747 | for (int s = startStage; s < GrDrawState::kNumStages; ++s) { |
| 748 | if (fProgramDesc.fStages[s].isEnabled()) { |
| 749 | // create var to hold stage output |
| 750 | outCoverage = "coverage"; |
| 751 | outCoverage.appendS32(s); |
| 752 | segments.fFSCode.appendf("\tvec4 %s;\n", |
| 753 | outCoverage.c_str()); |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 754 | |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 755 | const char* inCoords; |
| 756 | // figure out what our input coords are |
| 757 | if (GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(s) & |
| 758 | layout) { |
| 759 | inCoords = POS_ATTR_NAME; |
| 760 | } else { |
| 761 | int tcIdx = |
| 762 | GrDrawTarget::VertexTexCoordsForStage(s, layout); |
| 763 | // we better have input tex coordinates if stage is |
| 764 | // enabled. |
| 765 | GrAssert(tcIdx >= 0); |
| 766 | GrAssert(texCoordAttrs[tcIdx].size()); |
| 767 | inCoords = texCoordAttrs[tcIdx].c_str(); |
| 768 | } |
| 769 | |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 770 | if (NULL != customStages[s]) { |
| 771 | GrProgramStageFactory* factory = |
| 772 | customStages[s]->getFactory(); |
| 773 | programData->fCustomStage[s] = |
| 774 | factory->createGLInstance(customStages[s]); |
| 775 | } |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 776 | this->genStageCode(gl, s, |
| 777 | fProgramDesc.fStages[s], |
| 778 | inCoverage.size() ? inCoverage.c_str() : NULL, |
| 779 | outCoverage.c_str(), |
| 780 | inCoords, |
| 781 | &segments, |
| 782 | &programData->fUniLocations.fStages[s], |
| 783 | programData->fCustomStage[s]); |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 784 | inCoverage = outCoverage; |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 785 | } |
senorblanco@chromium.org | 92e0f22 | 2011-05-12 15:49:15 +0000 | [diff] [blame] | 786 | } |
| 787 | } |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 788 | if (ProgramDesc::kNone_DualSrcOutput != fProgramDesc.fDualSrcOutput) { |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 789 | segments.fFSOutputs.push_back().set(kVec4f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 790 | GrGLShaderVar::kOut_TypeModifier, |
| 791 | dual_source_output_name()); |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 792 | bool outputIsZero = coverageIsZero; |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 793 | GrStringBuilder coeff; |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 794 | if (!outputIsZero && |
| 795 | ProgramDesc::kCoverage_DualSrcOutput != |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 796 | fProgramDesc.fDualSrcOutput && !wroteFragColorZero) { |
| 797 | if (!inColor.size()) { |
| 798 | outputIsZero = true; |
| 799 | } else { |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 800 | if (fProgramDesc.fDualSrcOutput == |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 801 | ProgramDesc::kCoverageISA_DualSrcOutput) { |
| 802 | coeff.printf("(1 - %s.a)", inColor.c_str()); |
| 803 | } else { |
| 804 | coeff.printf("(vec4(1,1,1,1) - %s)", inColor.c_str()); |
| 805 | } |
| 806 | } |
| 807 | } |
| 808 | if (outputIsZero) { |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 809 | segments.fFSCode.appendf("\t%s = %s;\n", |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 810 | dual_source_output_name(), |
| 811 | all_zeros_vec(4)); |
| 812 | } else { |
| 813 | modulate_helper(dual_source_output_name(), |
| 814 | coeff.c_str(), |
| 815 | inCoverage.c_str(), |
| 816 | &segments.fFSCode); |
| 817 | } |
| 818 | dualSourceOutputWritten = true; |
| 819 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 820 | } |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 821 | |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 822 | /////////////////////////////////////////////////////////////////////////// |
| 823 | // combine color and coverage as frag color |
| 824 | |
| 825 | if (!wroteFragColorZero) { |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 826 | if (coverageIsZero) { |
| 827 | segments.fFSCode.appendf("\t%s = %s;\n", |
bsalomon@google.com | e55fd0f | 2012-02-10 15:56:06 +0000 | [diff] [blame] | 828 | colorOutput.getName().c_str(), |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 829 | all_zeros_vec(4)); |
| 830 | } else { |
bsalomon@google.com | e55fd0f | 2012-02-10 15:56:06 +0000 | [diff] [blame] | 831 | modulate_helper(colorOutput.getName().c_str(), |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 832 | inColor.c_str(), |
| 833 | inCoverage.c_str(), |
| 834 | &segments.fFSCode); |
| 835 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 836 | if (ProgramDesc::kUnpremultiplied_RoundDown_OutputConfig == |
| 837 | fProgramDesc.fOutputConfig) { |
| 838 | segments.fFSCode.appendf("\t%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(floor(%s.rgb / %s.a * 255.0)/255.0, %s.a);\n", |
| 839 | colorOutput.getName().c_str(), |
| 840 | colorOutput.getName().c_str(), |
| 841 | colorOutput.getName().c_str(), |
| 842 | colorOutput.getName().c_str(), |
| 843 | colorOutput.getName().c_str()); |
| 844 | } else if (ProgramDesc::kUnpremultiplied_RoundUp_OutputConfig == |
| 845 | fProgramDesc.fOutputConfig) { |
| 846 | segments.fFSCode.appendf("\t%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(ceil(%s.rgb / %s.a * 255.0)/255.0, %s.a);\n", |
| 847 | colorOutput.getName().c_str(), |
| 848 | colorOutput.getName().c_str(), |
| 849 | colorOutput.getName().c_str(), |
| 850 | colorOutput.getName().c_str(), |
| 851 | colorOutput.getName().c_str()); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 852 | } |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 853 | } |
| 854 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 855 | segments.fVSCode.append("}\n"); |
| 856 | segments.fFSCode.append("}\n"); |
| 857 | |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 858 | /////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 859 | // insert GS |
| 860 | #if GR_DEBUG |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 861 | this->genGeometryShader(gl, &segments); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 862 | #endif |
| 863 | |
| 864 | /////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 865 | // compile and setup attribs and unis |
| 866 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 867 | if (!CompileShaders(gl, segments, programData)) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 868 | return false; |
| 869 | } |
| 870 | |
bsalomon@google.com | 0b77d68 | 2011-08-19 13:28:54 +0000 | [diff] [blame] | 871 | if (!this->bindOutputsAttribsAndLinkProgram(gl, texCoordAttrs, |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 872 | isColorDeclared, |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 873 | dualSourceOutputWritten, |
| 874 | programData)) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 875 | return false; |
| 876 | } |
| 877 | |
bsalomon@google.com | 0b77d68 | 2011-08-19 13:28:54 +0000 | [diff] [blame] | 878 | this->getUniformLocationsAndInitCache(gl, programData); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 879 | |
| 880 | return true; |
| 881 | } |
| 882 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 883 | namespace { |
| 884 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 885 | inline void expand_decls(const VarArray& vars, |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 886 | const GrGLContextInfo& gl, |
| 887 | GrStringBuilder* string) { |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 888 | const int count = vars.count(); |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 889 | for (int i = 0; i < count; ++i) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 890 | vars[i].appendDecl(gl, string); |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 891 | } |
| 892 | } |
| 893 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 894 | inline void print_shader(int stringCnt, |
| 895 | const char** strings, |
| 896 | int* stringLengths) { |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 897 | for (int i = 0; i < stringCnt; ++i) { |
| 898 | if (NULL == stringLengths || stringLengths[i] < 0) { |
| 899 | GrPrintf(strings[i]); |
| 900 | } else { |
| 901 | GrPrintf("%.*s", stringLengths[i], strings[i]); |
| 902 | } |
| 903 | } |
| 904 | } |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 905 | |
| 906 | typedef SkTArray<const char*, true> StrArray; |
| 907 | #define PREALLOC_STR_ARRAY(N) SkSTArray<(N), const char*, true> |
| 908 | |
| 909 | typedef SkTArray<int, true> LengthArray; |
| 910 | #define PREALLOC_LENGTH_ARRAY(N) SkSTArray<(N), int, true> |
| 911 | |
| 912 | // these shouldn't relocate |
| 913 | typedef GrTAllocator<GrStringBuilder> TempArray; |
| 914 | #define PREALLOC_TEMP_ARRAY(N) GrSTAllocator<(N), GrStringBuilder> |
| 915 | |
| 916 | inline void append_string(const GrStringBuilder& str, |
| 917 | StrArray* strings, |
| 918 | LengthArray* lengths) { |
| 919 | int length = (int) str.size(); |
| 920 | if (length) { |
| 921 | strings->push_back(str.c_str()); |
| 922 | lengths->push_back(length); |
| 923 | } |
| 924 | GrAssert(strings->count() == lengths->count()); |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 925 | } |
| 926 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 927 | inline void append_decls(const VarArray& vars, |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 928 | const GrGLContextInfo& gl, |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 929 | StrArray* strings, |
| 930 | LengthArray* lengths, |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 931 | TempArray* temp) { |
| 932 | expand_decls(vars, gl, &temp->push_back()); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 933 | append_string(temp->back(), strings, lengths); |
| 934 | } |
| 935 | |
| 936 | } |
| 937 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 938 | bool GrGLProgram::CompileShaders(const GrGLContextInfo& gl, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 939 | const GrGLShaderBuilder& segments, |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 940 | CachedData* programData) { |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 941 | enum { kPreAllocStringCnt = 8 }; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 942 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 943 | PREALLOC_STR_ARRAY(kPreAllocStringCnt) strs; |
| 944 | PREALLOC_LENGTH_ARRAY(kPreAllocStringCnt) lengths; |
| 945 | PREALLOC_TEMP_ARRAY(kPreAllocStringCnt) temps; |
| 946 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 947 | GrStringBuilder unis; |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 948 | GrStringBuilder inputs; |
| 949 | GrStringBuilder outputs; |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 950 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 951 | append_string(segments.fHeader, &strs, &lengths); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 952 | append_decls(segments.fVSUnis, gl, &strs, &lengths, &temps); |
| 953 | append_decls(segments.fVSAttrs, gl, &strs, &lengths, &temps); |
| 954 | append_decls(segments.fVSOutputs, gl, &strs, &lengths, &temps); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 955 | append_string(segments.fVSCode, &strs, &lengths); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 956 | |
| 957 | #if PRINT_SHADERS |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 958 | print_shader(strs.count(), &strs[0], &lengths[0]); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 959 | GrPrintf("\n"); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 960 | #endif |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 961 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 962 | programData->fVShaderID = |
| 963 | CompileShader(gl, GR_GL_VERTEX_SHADER, strs.count(), |
| 964 | &strs[0], &lengths[0]); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 965 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 966 | if (!programData->fVShaderID) { |
| 967 | return false; |
| 968 | } |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 969 | if (segments.fUsesGS) { |
| 970 | strs.reset(); |
| 971 | lengths.reset(); |
| 972 | temps.reset(); |
| 973 | append_string(segments.fHeader, &strs, &lengths); |
| 974 | append_string(segments.fGSHeader, &strs, &lengths); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 975 | append_decls(segments.fGSInputs, gl, &strs, &lengths, &temps); |
| 976 | append_decls(segments.fGSOutputs, gl, &strs, &lengths, &temps); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 977 | append_string(segments.fGSCode, &strs, &lengths); |
| 978 | #if PRINT_SHADERS |
| 979 | print_shader(strs.count(), &strs[0], &lengths[0]); |
| 980 | GrPrintf("\n"); |
| 981 | #endif |
| 982 | programData->fGShaderID = |
| 983 | CompileShader(gl, GR_GL_GEOMETRY_SHADER, strs.count(), |
| 984 | &strs[0], &lengths[0]); |
| 985 | } else { |
| 986 | programData->fGShaderID = 0; |
senorblanco@chromium.org | 129b8e3 | 2011-06-15 17:52:09 +0000 | [diff] [blame] | 987 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 988 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 989 | strs.reset(); |
| 990 | lengths.reset(); |
| 991 | temps.reset(); |
| 992 | |
| 993 | append_string(segments.fHeader, &strs, &lengths); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 994 | GrStringBuilder precisionStr(GrGetGLSLShaderPrecisionDecl(gl.binding())); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 995 | append_string(precisionStr, &strs, &lengths); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 996 | append_decls(segments.fFSUnis, gl, &strs, &lengths, &temps); |
| 997 | append_decls(segments.fFSInputs, gl, &strs, &lengths, &temps); |
bsalomon@google.com | 373a663 | 2011-10-19 20:43:20 +0000 | [diff] [blame] | 998 | // We shouldn't have declared outputs on 1.10 |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 999 | GrAssert(k110_GrGLSLGeneration != gl.glslGeneration() || |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 1000 | segments.fFSOutputs.empty()); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1001 | append_decls(segments.fFSOutputs, gl, &strs, &lengths, &temps); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 1002 | append_string(segments.fFSFunctions, &strs, &lengths); |
| 1003 | append_string(segments.fFSCode, &strs, &lengths); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1004 | |
| 1005 | #if PRINT_SHADERS |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 1006 | print_shader(strs.count(), &strs[0], &lengths[0]); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 1007 | GrPrintf("\n"); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1008 | #endif |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1009 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 1010 | programData->fFShaderID = |
| 1011 | CompileShader(gl, GR_GL_FRAGMENT_SHADER, strs.count(), |
| 1012 | &strs[0], &lengths[0]); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1013 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1014 | if (!programData->fFShaderID) { |
| 1015 | return false; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1016 | } |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 1017 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1018 | return true; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1019 | } |
| 1020 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1021 | #define GL_CALL(X) GR_GL_CALL(gl.interface(), X) |
| 1022 | #define GL_CALL_RET(R, X) GR_GL_CALL_RET(gl.interface(), R, X) |
| 1023 | |
| 1024 | GrGLuint GrGLProgram::CompileShader(const GrGLContextInfo& gl, |
bsalomon@google.com | 0b77d68 | 2011-08-19 13:28:54 +0000 | [diff] [blame] | 1025 | GrGLenum type, |
| 1026 | int stringCnt, |
| 1027 | const char** strings, |
| 1028 | int* stringLengths) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1029 | SK_TRACE_EVENT1("GrGLProgram::CompileShader", |
| 1030 | "stringCount", SkStringPrintf("%i", stringCnt).c_str()); |
| 1031 | |
bsalomon@google.com | 56bfc5a | 2011-09-01 13:28:16 +0000 | [diff] [blame] | 1032 | GrGLuint shader; |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1033 | GL_CALL_RET(shader, CreateShader(type)); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1034 | if (0 == shader) { |
| 1035 | return 0; |
| 1036 | } |
| 1037 | |
| 1038 | GrGLint compiled = GR_GL_INIT_ZERO; |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1039 | GL_CALL(ShaderSource(shader, stringCnt, strings, stringLengths)); |
| 1040 | GL_CALL(CompileShader(shader)); |
| 1041 | GL_CALL(GetShaderiv(shader, GR_GL_COMPILE_STATUS, &compiled)); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1042 | |
| 1043 | if (!compiled) { |
| 1044 | GrGLint infoLen = GR_GL_INIT_ZERO; |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1045 | GL_CALL(GetShaderiv(shader, GR_GL_INFO_LOG_LENGTH, &infoLen)); |
bsalomon@google.com | 3582bf9 | 2011-06-30 21:32:31 +0000 | [diff] [blame] | 1046 | SkAutoMalloc log(sizeof(char)*(infoLen+1)); // outside if for debugger |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1047 | if (infoLen > 0) { |
bsalomon@google.com | 79afcaa | 2011-09-14 14:29:18 +0000 | [diff] [blame] | 1048 | // retrieve length even though we don't need it to workaround |
| 1049 | // bug in chrome cmd buffer param validation. |
| 1050 | GrGLsizei length = GR_GL_INIT_ZERO; |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1051 | GL_CALL(GetShaderInfoLog(shader, infoLen+1, |
| 1052 | &length, (char*)log.get())); |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1053 | print_shader(stringCnt, strings, stringLengths); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1054 | GrPrintf("\n%s", log.get()); |
| 1055 | } |
| 1056 | GrAssert(!"Shader compilation failed!"); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1057 | GL_CALL(DeleteShader(shader)); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1058 | return 0; |
| 1059 | } |
| 1060 | return shader; |
| 1061 | } |
| 1062 | |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 1063 | bool GrGLProgram::bindOutputsAttribsAndLinkProgram( |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1064 | const GrGLContextInfo& gl, |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 1065 | GrStringBuilder texCoordAttrNames[], |
| 1066 | bool bindColorOut, |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 1067 | bool bindDualSrcOut, |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 1068 | CachedData* programData) const { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1069 | GL_CALL_RET(programData->fProgramID, CreateProgram()); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1070 | if (!programData->fProgramID) { |
| 1071 | return false; |
| 1072 | } |
| 1073 | const GrGLint& progID = programData->fProgramID; |
| 1074 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1075 | GL_CALL(AttachShader(progID, programData->fVShaderID)); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 1076 | if (programData->fGShaderID) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1077 | GL_CALL(AttachShader(progID, programData->fGShaderID)); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 1078 | } |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1079 | GL_CALL(AttachShader(progID, programData->fFShaderID)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1080 | |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 1081 | if (bindColorOut) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1082 | GL_CALL(BindFragDataLocation(programData->fProgramID, |
| 1083 | 0, declared_color_output_name())); |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 1084 | } |
| 1085 | if (bindDualSrcOut) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1086 | GL_CALL(BindFragDataLocationIndexed(programData->fProgramID, |
| 1087 | 0, 1, dual_source_output_name())); |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 1088 | } |
| 1089 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1090 | // Bind the attrib locations to same values for all shaders |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1091 | GL_CALL(BindAttribLocation(progID, PositionAttributeIdx(), POS_ATTR_NAME)); |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 1092 | for (int t = 0; t < GrDrawState::kMaxTexCoords; ++t) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1093 | if (texCoordAttrNames[t].size()) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1094 | GL_CALL(BindAttribLocation(progID, |
| 1095 | TexCoordAttributeIdx(t), |
| 1096 | texCoordAttrNames[t].c_str())); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1097 | } |
| 1098 | } |
| 1099 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1100 | if (kSetAsAttribute == programData->fUniLocations.fViewMatrixUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1101 | GL_CALL(BindAttribLocation(progID, |
| 1102 | ViewMatrixAttributeIdx(), |
| 1103 | VIEW_MATRIX_NAME)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1104 | } |
| 1105 | |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 1106 | for (int s = 0; s < GrDrawState::kNumStages; ++s) { |
bsalomon@google.com | 72b4fcb | 2011-05-09 20:47:34 +0000 | [diff] [blame] | 1107 | const StageUniLocations& unis = programData->fUniLocations.fStages[s]; |
| 1108 | if (kSetAsAttribute == unis.fTextureMatrixUni) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1109 | GrStringBuilder matName; |
| 1110 | tex_matrix_name(s, &matName); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1111 | GL_CALL(BindAttribLocation(progID, |
| 1112 | TextureMatrixAttributeIdx(s), |
| 1113 | matName.c_str())); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1114 | } |
| 1115 | } |
| 1116 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1117 | GL_CALL(BindAttribLocation(progID, ColorAttributeIdx(), COL_ATTR_NAME)); |
| 1118 | GL_CALL(BindAttribLocation(progID, CoverageAttributeIdx(), COV_ATTR_NAME)); |
| 1119 | GL_CALL(BindAttribLocation(progID, EdgeAttributeIdx(), EDGE_ATTR_NAME)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1120 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1121 | GL_CALL(LinkProgram(progID)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1122 | |
| 1123 | GrGLint linked = GR_GL_INIT_ZERO; |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1124 | GL_CALL(GetProgramiv(progID, GR_GL_LINK_STATUS, &linked)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1125 | if (!linked) { |
| 1126 | GrGLint infoLen = GR_GL_INIT_ZERO; |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1127 | GL_CALL(GetProgramiv(progID, GR_GL_INFO_LOG_LENGTH, &infoLen)); |
bsalomon@google.com | 3582bf9 | 2011-06-30 21:32:31 +0000 | [diff] [blame] | 1128 | SkAutoMalloc log(sizeof(char)*(infoLen+1)); // outside if for debugger |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1129 | if (infoLen > 0) { |
bsalomon@google.com | 79afcaa | 2011-09-14 14:29:18 +0000 | [diff] [blame] | 1130 | // retrieve length even though we don't need it to workaround |
| 1131 | // bug in chrome cmd buffer param validation. |
| 1132 | GrGLsizei length = GR_GL_INIT_ZERO; |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1133 | GL_CALL(GetProgramInfoLog(progID, |
| 1134 | infoLen+1, |
| 1135 | &length, |
| 1136 | (char*)log.get())); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1137 | GrPrintf((char*)log.get()); |
| 1138 | } |
| 1139 | GrAssert(!"Error linking program"); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1140 | GL_CALL(DeleteProgram(progID)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1141 | programData->fProgramID = 0; |
| 1142 | return false; |
| 1143 | } |
| 1144 | return true; |
| 1145 | } |
| 1146 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1147 | void GrGLProgram::getUniformLocationsAndInitCache(const GrGLContextInfo& gl, |
bsalomon@google.com | 0b77d68 | 2011-08-19 13:28:54 +0000 | [diff] [blame] | 1148 | CachedData* programData) const { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1149 | const GrGLint& progID = programData->fProgramID; |
| 1150 | |
| 1151 | if (kUseUniform == programData->fUniLocations.fViewMatrixUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1152 | GL_CALL_RET(programData->fUniLocations.fViewMatrixUni, |
| 1153 | GetUniformLocation(progID, VIEW_MATRIX_NAME)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1154 | GrAssert(kUnusedUniform != programData->fUniLocations.fViewMatrixUni); |
| 1155 | } |
| 1156 | if (kUseUniform == programData->fUniLocations.fColorUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1157 | GL_CALL_RET(programData->fUniLocations.fColorUni, |
| 1158 | GetUniformLocation(progID, COL_UNI_NAME)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1159 | GrAssert(kUnusedUniform != programData->fUniLocations.fColorUni); |
| 1160 | } |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 1161 | if (kUseUniform == programData->fUniLocations.fColorFilterUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1162 | GL_CALL_RET(programData->fUniLocations.fColorFilterUni, |
| 1163 | GetUniformLocation(progID, COL_FILTER_UNI_NAME)); |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 1164 | GrAssert(kUnusedUniform != programData->fUniLocations.fColorFilterUni); |
| 1165 | } |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1166 | |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 1167 | if (kUseUniform == programData->fUniLocations.fColorMatrixUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1168 | GL_CALL_RET(programData->fUniLocations.fColorMatrixUni, |
| 1169 | GetUniformLocation(progID, COL_MATRIX_UNI_NAME)); |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 1170 | } |
| 1171 | |
| 1172 | if (kUseUniform == programData->fUniLocations.fColorMatrixVecUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1173 | GL_CALL_RET(programData->fUniLocations.fColorMatrixVecUni, |
| 1174 | GetUniformLocation(progID, COL_MATRIX_VEC_UNI_NAME)); |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 1175 | } |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 1176 | if (kUseUniform == programData->fUniLocations.fCoverageUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1177 | GL_CALL_RET(programData->fUniLocations.fCoverageUni, |
| 1178 | GetUniformLocation(progID, COV_UNI_NAME)); |
bsalomon@google.com | 2401ae8 | 2012-01-17 21:03:05 +0000 | [diff] [blame] | 1179 | GrAssert(kUnusedUniform != programData->fUniLocations.fCoverageUni); |
| 1180 | } |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 1181 | |
bsalomon@google.com | f2d9155 | 2011-05-16 20:56:06 +0000 | [diff] [blame] | 1182 | if (kUseUniform == programData->fUniLocations.fEdgesUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1183 | GL_CALL_RET(programData->fUniLocations.fEdgesUni, |
| 1184 | GetUniformLocation(progID, EDGES_UNI_NAME)); |
senorblanco@chromium.org | 92e0f22 | 2011-05-12 15:49:15 +0000 | [diff] [blame] | 1185 | GrAssert(kUnusedUniform != programData->fUniLocations.fEdgesUni); |
| 1186 | } else { |
| 1187 | programData->fUniLocations.fEdgesUni = kUnusedUniform; |
| 1188 | } |
| 1189 | |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 1190 | for (int s = 0; s < GrDrawState::kNumStages; ++s) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1191 | StageUniLocations& locations = programData->fUniLocations.fStages[s]; |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 1192 | if (fProgramDesc.fStages[s].isEnabled()) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1193 | if (kUseUniform == locations.fTextureMatrixUni) { |
| 1194 | GrStringBuilder texMName; |
| 1195 | tex_matrix_name(s, &texMName); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1196 | GL_CALL_RET(locations.fTextureMatrixUni, |
| 1197 | GetUniformLocation(progID, texMName.c_str())); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1198 | GrAssert(kUnusedUniform != locations.fTextureMatrixUni); |
| 1199 | } |
| 1200 | |
| 1201 | if (kUseUniform == locations.fSamplerUni) { |
| 1202 | GrStringBuilder samplerName; |
| 1203 | sampler_name(s, &samplerName); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1204 | GL_CALL_RET(locations.fSamplerUni, |
| 1205 | GetUniformLocation(progID,samplerName.c_str())); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1206 | GrAssert(kUnusedUniform != locations.fSamplerUni); |
| 1207 | } |
| 1208 | |
| 1209 | if (kUseUniform == locations.fNormalizedTexelSizeUni) { |
| 1210 | GrStringBuilder texelSizeName; |
| 1211 | normalized_texel_size_name(s, &texelSizeName); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1212 | GL_CALL_RET(locations.fNormalizedTexelSizeUni, |
| 1213 | GetUniformLocation(progID, texelSizeName.c_str())); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1214 | GrAssert(kUnusedUniform != locations.fNormalizedTexelSizeUni); |
| 1215 | } |
| 1216 | |
| 1217 | if (kUseUniform == locations.fRadial2Uni) { |
| 1218 | GrStringBuilder radial2ParamName; |
| 1219 | radial2_param_name(s, &radial2ParamName); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1220 | GL_CALL_RET(locations.fRadial2Uni, |
| 1221 | GetUniformLocation(progID, radial2ParamName.c_str())); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1222 | GrAssert(kUnusedUniform != locations.fRadial2Uni); |
| 1223 | } |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1224 | |
| 1225 | if (kUseUniform == locations.fTexDomUni) { |
| 1226 | GrStringBuilder texDomName; |
| 1227 | tex_domain_name(s, &texDomName); |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1228 | GL_CALL_RET(locations.fTexDomUni, |
| 1229 | GetUniformLocation(progID, texDomName.c_str())); |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1230 | GrAssert(kUnusedUniform != locations.fTexDomUni); |
| 1231 | } |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 1232 | |
| 1233 | GrStringBuilder kernelName, imageIncrementName; |
| 1234 | convolve_param_names(s, &kernelName, &imageIncrementName); |
| 1235 | if (kUseUniform == locations.fKernelUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1236 | GL_CALL_RET(locations.fKernelUni, |
| 1237 | GetUniformLocation(progID, kernelName.c_str())); |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 1238 | GrAssert(kUnusedUniform != locations.fKernelUni); |
| 1239 | } |
| 1240 | |
| 1241 | if (kUseUniform == locations.fImageIncrementUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1242 | GL_CALL_RET(locations.fImageIncrementUni, |
| 1243 | GetUniformLocation(progID, |
| 1244 | imageIncrementName.c_str())); |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 1245 | GrAssert(kUnusedUniform != locations.fImageIncrementUni); |
| 1246 | } |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1247 | |
| 1248 | if (NULL != programData->fCustomStage[s]) { |
| 1249 | programData->fCustomStage[s]-> |
| 1250 | initUniforms(gl.interface(), progID); |
| 1251 | } |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1252 | } |
| 1253 | } |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1254 | GL_CALL(UseProgram(progID)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1255 | |
| 1256 | // init sampler unis and set bogus values for state tracking |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 1257 | for (int s = 0; s < GrDrawState::kNumStages; ++s) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1258 | if (kUnusedUniform != programData->fUniLocations.fStages[s].fSamplerUni) { |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1259 | GL_CALL(Uniform1i(programData->fUniLocations.fStages[s].fSamplerUni, s)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1260 | } |
| 1261 | programData->fTextureMatrices[s] = GrMatrix::InvalidMatrix(); |
| 1262 | programData->fRadial2CenterX1[s] = GR_ScalarMax; |
| 1263 | programData->fRadial2Radius0[s] = -GR_ScalarMax; |
| 1264 | programData->fTextureWidth[s] = -1; |
| 1265 | programData->fTextureHeight[s] = -1; |
tomhudson@google.com | 24878f7 | 2012-03-22 14:44:46 +0000 | [diff] [blame] | 1266 | programData->fTextureDomain[s].setEmpty(); |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1267 | // Must not reset fStageOverride[] here. |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1268 | } |
| 1269 | programData->fViewMatrix = GrMatrix::InvalidMatrix(); |
| 1270 | programData->fColor = GrColor_ILLEGAL; |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 1271 | programData->fColorFilterColor = GrColor_ILLEGAL; |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1272 | } |
| 1273 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1274 | //============================================================================ |
| 1275 | // Stage code generation |
| 1276 | //============================================================================ |
| 1277 | |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1278 | namespace { |
| 1279 | |
| 1280 | bool isRadialMapping(GrGLProgram::StageDesc::CoordMapping mapping) { |
| 1281 | return |
| 1282 | (GrGLProgram::StageDesc::kRadial2Gradient_CoordMapping == mapping || |
| 1283 | GrGLProgram::StageDesc::kRadial2GradientDegenerate_CoordMapping == mapping); |
| 1284 | } |
| 1285 | |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1286 | GrGLShaderVar* genRadialVS(int stageNum, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 1287 | GrGLShaderBuilder* segments, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1288 | GrGLProgram::StageUniLocations* locations, |
| 1289 | const char** radial2VaryingVSName, |
| 1290 | const char** radial2VaryingFSName, |
| 1291 | const char* varyingVSName, |
| 1292 | int varyingDims, int coordDims) { |
| 1293 | |
| 1294 | GrGLShaderVar* radial2FSParams = &segments->fFSUnis.push_back(); |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 1295 | radial2FSParams->setType(kFloat_GrSLType); |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 1296 | radial2FSParams->setTypeModifier(GrGLShaderVar::kUniform_TypeModifier); |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1297 | radial2FSParams->setArrayCount(6); |
| 1298 | radial2_param_name(stageNum, radial2FSParams->accessName()); |
| 1299 | segments->fVSUnis.push_back(*radial2FSParams).setEmitPrecision(true); |
| 1300 | |
| 1301 | locations->fRadial2Uni = kUseUniform; |
| 1302 | |
| 1303 | // for radial grads without perspective we can pass the linear |
| 1304 | // part of the quadratic as a varying. |
| 1305 | if (varyingDims == coordDims) { |
| 1306 | GrAssert(2 == coordDims); |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 1307 | segments->appendVarying(kFloat_GrSLType, |
| 1308 | "Radial2BCoeff", |
| 1309 | stageNum, |
| 1310 | radial2VaryingVSName, |
| 1311 | radial2VaryingFSName); |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1312 | |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1313 | GrStringBuilder radial2p2; |
| 1314 | GrStringBuilder radial2p3; |
| 1315 | radial2FSParams->appendArrayAccess(2, &radial2p2); |
| 1316 | radial2FSParams->appendArrayAccess(3, &radial2p3); |
| 1317 | |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1318 | // r2Var = 2 * (r2Parm[2] * varCoord.x - r2Param[3]) |
| 1319 | const char* r2ParamName = radial2FSParams->getName().c_str(); |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1320 | segments->fVSCode.appendf("\t%s = 2.0 *(%s * %s.x - %s);\n", |
| 1321 | *radial2VaryingVSName, radial2p2.c_str(), |
| 1322 | varyingVSName, radial2p3.c_str()); |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1323 | } |
| 1324 | |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1325 | return radial2FSParams; |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1326 | } |
| 1327 | |
| 1328 | bool genRadial2GradientCoordMapping(int stageNum, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 1329 | GrGLShaderBuilder* segments, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1330 | const char* radial2VaryingFSName, |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1331 | GrGLShaderVar* radial2Params, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1332 | GrStringBuilder& sampleCoords, |
| 1333 | GrStringBuilder& fsCoordName, |
| 1334 | int varyingDims, |
| 1335 | int coordDims) { |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1336 | GrStringBuilder cName("c"); |
| 1337 | GrStringBuilder ac4Name("ac4"); |
| 1338 | GrStringBuilder rootName("root"); |
| 1339 | |
| 1340 | cName.appendS32(stageNum); |
| 1341 | ac4Name.appendS32(stageNum); |
| 1342 | rootName.appendS32(stageNum); |
| 1343 | |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1344 | GrStringBuilder radial2p0; |
| 1345 | GrStringBuilder radial2p1; |
| 1346 | GrStringBuilder radial2p2; |
| 1347 | GrStringBuilder radial2p3; |
| 1348 | GrStringBuilder radial2p4; |
| 1349 | GrStringBuilder radial2p5; |
| 1350 | radial2Params->appendArrayAccess(0, &radial2p0); |
| 1351 | radial2Params->appendArrayAccess(1, &radial2p1); |
| 1352 | radial2Params->appendArrayAccess(2, &radial2p2); |
| 1353 | radial2Params->appendArrayAccess(3, &radial2p3); |
| 1354 | radial2Params->appendArrayAccess(4, &radial2p4); |
| 1355 | radial2Params->appendArrayAccess(5, &radial2p5); |
| 1356 | |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1357 | // if we were able to interpolate the linear component bVar is the varying |
| 1358 | // otherwise compute it |
| 1359 | GrStringBuilder bVar; |
| 1360 | if (coordDims == varyingDims) { |
| 1361 | bVar = radial2VaryingFSName; |
| 1362 | GrAssert(2 == varyingDims); |
| 1363 | } else { |
| 1364 | GrAssert(3 == varyingDims); |
| 1365 | bVar = "b"; |
| 1366 | bVar.appendS32(stageNum); |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1367 | segments->fFSCode.appendf("\tfloat %s = 2.0 * (%s * %s.x - %s);\n", |
| 1368 | bVar.c_str(), radial2p2.c_str(), |
| 1369 | fsCoordName.c_str(), radial2p3.c_str()); |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1370 | } |
| 1371 | |
| 1372 | // c = (x^2)+(y^2) - params[4] |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1373 | segments->fFSCode.appendf("\tfloat %s = dot(%s, %s) - %s;\n", |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1374 | cName.c_str(), fsCoordName.c_str(), |
| 1375 | fsCoordName.c_str(), |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1376 | radial2p4.c_str()); |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1377 | // ac4 = 4.0 * params[0] * c |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1378 | segments->fFSCode.appendf("\tfloat %s = %s * 4.0 * %s;\n", |
| 1379 | ac4Name.c_str(), radial2p0.c_str(), |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1380 | cName.c_str()); |
| 1381 | |
| 1382 | // root = sqrt(b^2-4ac) |
| 1383 | // (abs to avoid exception due to fp precision) |
| 1384 | segments->fFSCode.appendf("\tfloat %s = sqrt(abs(%s*%s - %s));\n", |
| 1385 | rootName.c_str(), bVar.c_str(), bVar.c_str(), |
| 1386 | ac4Name.c_str()); |
| 1387 | |
| 1388 | // x coord is: (-b + params[5] * sqrt(b^2-4ac)) * params[1] |
| 1389 | // y coord is 0.5 (texture is effectively 1D) |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1390 | sampleCoords.printf("vec2((-%s + %s * %s) * %s, 0.5)", |
| 1391 | bVar.c_str(), radial2p5.c_str(), |
| 1392 | rootName.c_str(), radial2p1.c_str()); |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1393 | return true; |
| 1394 | } |
| 1395 | |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1396 | bool genRadial2GradientDegenerateCoordMapping(int stageNum, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 1397 | GrGLShaderBuilder* segments, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1398 | const char* radial2VaryingFSName, |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1399 | GrGLShaderVar* radial2Params, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1400 | GrStringBuilder& sampleCoords, |
| 1401 | GrStringBuilder& fsCoordName, |
| 1402 | int varyingDims, |
| 1403 | int coordDims) { |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1404 | GrStringBuilder cName("c"); |
| 1405 | |
| 1406 | cName.appendS32(stageNum); |
| 1407 | |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1408 | GrStringBuilder radial2p2; |
| 1409 | GrStringBuilder radial2p3; |
| 1410 | GrStringBuilder radial2p4; |
| 1411 | radial2Params->appendArrayAccess(2, &radial2p2); |
| 1412 | radial2Params->appendArrayAccess(3, &radial2p3); |
| 1413 | radial2Params->appendArrayAccess(4, &radial2p4); |
| 1414 | |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1415 | // if we were able to interpolate the linear component bVar is the varying |
| 1416 | // otherwise compute it |
| 1417 | GrStringBuilder bVar; |
| 1418 | if (coordDims == varyingDims) { |
| 1419 | bVar = radial2VaryingFSName; |
| 1420 | GrAssert(2 == varyingDims); |
| 1421 | } else { |
| 1422 | GrAssert(3 == varyingDims); |
| 1423 | bVar = "b"; |
| 1424 | bVar.appendS32(stageNum); |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1425 | segments->fFSCode.appendf("\tfloat %s = 2.0 * (%s * %s.x - %s);\n", |
| 1426 | bVar.c_str(), radial2p2.c_str(), |
| 1427 | fsCoordName.c_str(), radial2p3.c_str()); |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1428 | } |
| 1429 | |
| 1430 | // c = (x^2)+(y^2) - params[4] |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1431 | segments->fFSCode.appendf("\tfloat %s = dot(%s, %s) - %s;\n", |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1432 | cName.c_str(), fsCoordName.c_str(), |
| 1433 | fsCoordName.c_str(), |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1434 | radial2p4.c_str()); |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1435 | |
| 1436 | // x coord is: -c/b |
| 1437 | // y coord is 0.5 (texture is effectively 1D) |
| 1438 | sampleCoords.printf("vec2((-%s / %s), 0.5)", cName.c_str(), bVar.c_str()); |
| 1439 | return true; |
| 1440 | } |
| 1441 | |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1442 | void gen2x2FS(int stageNum, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 1443 | GrGLShaderBuilder* segments, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1444 | GrGLProgram::StageUniLocations* locations, |
| 1445 | GrStringBuilder* sampleCoords, |
| 1446 | const char* samplerName, |
| 1447 | const char* texelSizeName, |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1448 | const char* swizzle, |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1449 | const char* fsOutColor, |
| 1450 | GrStringBuilder& texFunc, |
| 1451 | GrStringBuilder& modulate, |
| 1452 | bool complexCoord, |
| 1453 | int coordDims) { |
| 1454 | locations->fNormalizedTexelSizeUni = kUseUniform; |
| 1455 | if (complexCoord) { |
| 1456 | // assign the coord to a var rather than compute 4x. |
| 1457 | GrStringBuilder coordVar("tCoord"); |
| 1458 | coordVar.appendS32(stageNum); |
| 1459 | segments->fFSCode.appendf("\t%s %s = %s;\n", |
| 1460 | float_vector_type_str(coordDims), |
| 1461 | coordVar.c_str(), sampleCoords->c_str()); |
| 1462 | *sampleCoords = coordVar; |
| 1463 | } |
| 1464 | GrAssert(2 == coordDims); |
| 1465 | GrStringBuilder accumVar("accum"); |
| 1466 | accumVar.appendS32(stageNum); |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1467 | segments->fFSCode.appendf("\tvec4 %s = %s(%s, %s + vec2(-%s.x,-%s.y))%s;\n", accumVar.c_str(), texFunc.c_str(), samplerName, sampleCoords->c_str(), texelSizeName, texelSizeName, swizzle); |
| 1468 | segments->fFSCode.appendf("\t%s += %s(%s, %s + vec2(+%s.x,-%s.y))%s;\n", accumVar.c_str(), texFunc.c_str(), samplerName, sampleCoords->c_str(), texelSizeName, texelSizeName, swizzle); |
| 1469 | segments->fFSCode.appendf("\t%s += %s(%s, %s + vec2(-%s.x,+%s.y))%s;\n", accumVar.c_str(), texFunc.c_str(), samplerName, sampleCoords->c_str(), texelSizeName, texelSizeName, swizzle); |
| 1470 | segments->fFSCode.appendf("\t%s += %s(%s, %s + vec2(+%s.x,+%s.y))%s;\n", accumVar.c_str(), texFunc.c_str(), samplerName, sampleCoords->c_str(), texelSizeName, texelSizeName, swizzle); |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1471 | segments->fFSCode.appendf("\t%s = .25 * %s%s;\n", fsOutColor, accumVar.c_str(), modulate.c_str()); |
| 1472 | |
| 1473 | } |
| 1474 | |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1475 | void genMorphologyVS(int stageNum, |
| 1476 | const StageDesc& desc, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 1477 | GrGLShaderBuilder* segments, |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1478 | GrGLProgram::StageUniLocations* locations, |
| 1479 | const char** imageIncrementName, |
| 1480 | const char* varyingVSName) { |
| 1481 | GrGLShaderVar* imgInc = &segments->fFSUnis.push_back(); |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 1482 | imgInc->setType(kVec2f_GrSLType); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1483 | imgInc->setTypeModifier(GrGLShaderVar::kUniform_TypeModifier); |
| 1484 | |
| 1485 | image_increment_param_name(stageNum, imgInc->accessName()); |
| 1486 | *imageIncrementName = imgInc->getName().c_str(); |
| 1487 | |
| 1488 | // need image increment in both VS and FS |
| 1489 | segments->fVSUnis.push_back(*imgInc).setEmitPrecision(true); |
| 1490 | |
| 1491 | locations->fImageIncrementUni = kUseUniform; |
| 1492 | segments->fVSCode.appendf("\t%s -= vec2(%d, %d) * %s;\n", |
| 1493 | varyingVSName, desc.fKernelWidth, |
| 1494 | desc.fKernelWidth, *imageIncrementName); |
| 1495 | } |
| 1496 | |
| 1497 | void genMorphologyFS(int stageNum, |
| 1498 | const StageDesc& desc, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 1499 | GrGLShaderBuilder* segments, |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1500 | const char* samplerName, |
| 1501 | const char* swizzle, |
| 1502 | const char* imageIncrementName, |
| 1503 | const char* fsOutColor, |
| 1504 | GrStringBuilder& sampleCoords, |
| 1505 | GrStringBuilder& texFunc, |
| 1506 | GrStringBuilder& modulate) { |
| 1507 | GrStringBuilder valueVar("value"); |
| 1508 | valueVar.appendS32(stageNum); |
| 1509 | GrStringBuilder coordVar("coord"); |
| 1510 | coordVar.appendS32(stageNum); |
| 1511 | bool isDilate = StageDesc::kDilate_FetchMode == desc.fFetchMode; |
| 1512 | |
| 1513 | if (isDilate) { |
| 1514 | segments->fFSCode.appendf("\tvec4 %s = vec4(0, 0, 0, 0);\n", |
| 1515 | valueVar.c_str()); |
| 1516 | } else { |
| 1517 | segments->fFSCode.appendf("\tvec4 %s = vec4(1, 1, 1, 1);\n", |
| 1518 | valueVar.c_str()); |
| 1519 | } |
| 1520 | segments->fFSCode.appendf("\tvec2 %s = %s;\n", |
| 1521 | coordVar.c_str(), |
| 1522 | sampleCoords.c_str()); |
| 1523 | segments->fFSCode.appendf("\tfor (int i = 0; i < %d; i++) {\n", |
| 1524 | desc.fKernelWidth * 2 + 1); |
| 1525 | segments->fFSCode.appendf("\t\t%s = %s(%s, %s(%s, %s)%s);\n", |
| 1526 | valueVar.c_str(), isDilate ? "max" : "min", |
| 1527 | valueVar.c_str(), texFunc.c_str(), |
| 1528 | samplerName, coordVar.c_str(), swizzle); |
| 1529 | segments->fFSCode.appendf("\t\t%s += %s;\n", |
| 1530 | coordVar.c_str(), |
| 1531 | imageIncrementName); |
| 1532 | segments->fFSCode.appendf("\t}\n"); |
| 1533 | segments->fFSCode.appendf("\t%s = %s%s;\n", fsOutColor, |
| 1534 | valueVar.c_str(), modulate.c_str()); |
| 1535 | } |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1536 | |
| 1537 | } |
| 1538 | |
bsalomon@google.com | 9639994 | 2012-02-13 14:39:16 +0000 | [diff] [blame] | 1539 | void GrGLProgram::genStageCode(const GrGLContextInfo& gl, |
bsalomon@google.com | 0b77d68 | 2011-08-19 13:28:54 +0000 | [diff] [blame] | 1540 | int stageNum, |
bsalomon@google.com | 22c5dea | 2011-07-07 14:38:03 +0000 | [diff] [blame] | 1541 | const GrGLProgram::StageDesc& desc, |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 1542 | const char* fsInColor, // NULL means no incoming color |
| 1543 | const char* fsOutColor, |
| 1544 | const char* vsInCoord, |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 1545 | GrGLShaderBuilder* segments, |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1546 | StageUniLocations* locations, |
| 1547 | GrGLProgramStage* customStage) const { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1548 | |
bsalomon@google.com | 74b9871 | 2011-11-11 19:46:16 +0000 | [diff] [blame] | 1549 | GrAssert(stageNum >= 0 && stageNum <= GrDrawState::kNumStages); |
| 1550 | GrAssert((desc.fInConfigFlags & StageDesc::kInConfigBitMask) == |
| 1551 | desc.fInConfigFlags); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1552 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1553 | // First decide how many coords are needed to access the texture |
| 1554 | // Right now it's always 2 but we could start using 1D textures for |
| 1555 | // gradients. |
| 1556 | static const int coordDims = 2; |
| 1557 | int varyingDims; |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1558 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1559 | /// Vertex Shader Stuff |
| 1560 | |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1561 | if (NULL != customStage) { |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 1562 | customStage->setupVSUnis(&segments->fVSUnis, stageNum); |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1563 | } |
| 1564 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1565 | // decide whether we need a matrix to transform texture coords |
| 1566 | // and whether the varying needs a perspective coord. |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1567 | const char* matName = NULL; |
bsalomon@google.com | 22c5dea | 2011-07-07 14:38:03 +0000 | [diff] [blame] | 1568 | if (desc.fOptFlags & StageDesc::kIdentityMatrix_OptFlagBit) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1569 | varyingDims = coordDims; |
| 1570 | } else { |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1571 | GrGLShaderVar* mat; |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 1572 | #if GR_GL_ATTRIBUTE_MATRICES |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1573 | mat = &segments->fVSAttrs.push_back(); |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 1574 | mat->setTypeModifier(GrGLShaderVar::kAttribute_TypeModifier); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1575 | locations->fTextureMatrixUni = kSetAsAttribute; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1576 | #else |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1577 | mat = &segments->fVSUnis.push_back(); |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 1578 | mat->setTypeModifier(GrGLShaderVar::kUniform_TypeModifier); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1579 | locations->fTextureMatrixUni = kUseUniform; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1580 | #endif |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1581 | tex_matrix_name(stageNum, mat->accessName()); |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 1582 | mat->setType(kMat33f_GrSLType); |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1583 | matName = mat->getName().c_str(); |
| 1584 | |
bsalomon@google.com | 22c5dea | 2011-07-07 14:38:03 +0000 | [diff] [blame] | 1585 | if (desc.fOptFlags & StageDesc::kNoPerspective_OptFlagBit) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1586 | varyingDims = coordDims; |
| 1587 | } else { |
| 1588 | varyingDims = coordDims + 1; |
| 1589 | } |
| 1590 | } |
| 1591 | |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 1592 | segments->fFSUnis.push_back().set(kSampler2D_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 1593 | GrGLShaderVar::kUniform_TypeModifier, ""); |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1594 | sampler_name(stageNum, segments->fFSUnis.back().accessName()); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1595 | locations->fSamplerUni = kUseUniform; |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1596 | const char* samplerName = segments->fFSUnis.back().getName().c_str(); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1597 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1598 | const char* texelSizeName = NULL; |
bsalomon@google.com | 22c5dea | 2011-07-07 14:38:03 +0000 | [diff] [blame] | 1599 | if (StageDesc::k2x2_FetchMode == desc.fFetchMode) { |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 1600 | segments->fFSUnis.push_back().set(kVec2f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 1601 | GrGLShaderVar::kUniform_TypeModifier, ""); |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1602 | normalized_texel_size_name(stageNum, segments->fFSUnis.back().accessName()); |
| 1603 | texelSizeName = segments->fFSUnis.back().getName().c_str(); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 1604 | } |
| 1605 | |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 1606 | const char *varyingVSName, *varyingFSName; |
tomhudson@google.com | f9ad886 | 2012-05-11 20:38:48 +0000 | [diff] [blame^] | 1607 | segments->appendVarying(GrSLFloatVectorType(varyingDims), |
| 1608 | "Stage", |
| 1609 | stageNum, |
| 1610 | &varyingVSName, |
| 1611 | &varyingFSName); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1612 | |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1613 | if (!matName) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1614 | GrAssert(varyingDims == coordDims); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 1615 | segments->fVSCode.appendf("\t%s = %s;\n", varyingVSName, vsInCoord); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1616 | } else { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1617 | // varying = texMatrix * texCoord |
| 1618 | segments->fVSCode.appendf("\t%s = (%s * vec3(%s, 1))%s;\n", |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 1619 | varyingVSName, matName, vsInCoord, |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1620 | vector_all_coords(varyingDims)); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1621 | } |
| 1622 | |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1623 | GrGLShaderVar* radial2Params = NULL; |
| 1624 | const char* radial2VaryingVSName = NULL; |
| 1625 | const char* radial2VaryingFSName = NULL; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1626 | |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1627 | if (isRadialMapping((StageDesc::CoordMapping) desc.fCoordMapping)) { |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1628 | radial2Params = genRadialVS(stageNum, segments, |
| 1629 | locations, |
| 1630 | &radial2VaryingVSName, |
| 1631 | &radial2VaryingFSName, |
| 1632 | varyingVSName, |
| 1633 | varyingDims, coordDims); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1634 | } |
| 1635 | |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1636 | GrGLShaderVar* kernel = NULL; |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1637 | const char* imageIncrementName = NULL; |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 1638 | if (StageDesc::kDilate_FetchMode == desc.fFetchMode || |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1639 | StageDesc::kErode_FetchMode == desc.fFetchMode) { |
| 1640 | genMorphologyVS(stageNum, desc, segments, locations, |
| 1641 | &imageIncrementName, varyingVSName); |
bsalomon@google.com | a8e686e | 2011-08-16 15:45:58 +0000 | [diff] [blame] | 1642 | } |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 1643 | |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1644 | if (NULL != customStage) { |
| 1645 | GrStringBuilder vertexShader; |
| 1646 | customStage->emitVS(&vertexShader, varyingVSName); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 1647 | segments->fVSCode.appendf("\t{ // stage %d %s\n", |
| 1648 | stageNum, customStage->name()); |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1649 | segments->fVSCode.append(vertexShader); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 1650 | segments->fVSCode.appendf("\t}\n"); |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1651 | } |
| 1652 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1653 | /// Fragment Shader Stuff |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1654 | |
| 1655 | if (NULL != customStage) { |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 1656 | customStage->setupFSUnis(&segments->fFSUnis, stageNum); |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1657 | } |
| 1658 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1659 | GrStringBuilder fsCoordName; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1660 | // function used to access the shader, may be made projective |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1661 | GrStringBuilder texFunc("texture2D"); |
bsalomon@google.com | 22c5dea | 2011-07-07 14:38:03 +0000 | [diff] [blame] | 1662 | if (desc.fOptFlags & (StageDesc::kIdentityMatrix_OptFlagBit | |
| 1663 | StageDesc::kNoPerspective_OptFlagBit)) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1664 | GrAssert(varyingDims == coordDims); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 1665 | fsCoordName = varyingFSName; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1666 | } else { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 1667 | // if we have to do some special op on the varyings to get |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1668 | // our final tex coords then when in perspective we have to |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1669 | // do an explicit divide. Otherwise, we can use a Proj func. |
bsalomon@google.com | 22c5dea | 2011-07-07 14:38:03 +0000 | [diff] [blame] | 1670 | if (StageDesc::kIdentity_CoordMapping == desc.fCoordMapping && |
| 1671 | StageDesc::kSingle_FetchMode == desc.fFetchMode) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1672 | texFunc.append("Proj"); |
bsalomon@google.com | edfe1aa | 2011-09-29 14:40:26 +0000 | [diff] [blame] | 1673 | fsCoordName = varyingFSName; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1674 | } else { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 1675 | fsCoordName = "inCoord"; |
bsalomon@google.com | fc29629 | 2011-05-06 13:53:47 +0000 | [diff] [blame] | 1676 | fsCoordName.appendS32(stageNum); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1677 | segments->fFSCode.appendf("\t%s %s = %s%s / %s%s;\n", |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 1678 | GrGLShaderVar::TypeString(GrSLFloatVectorType(coordDims)), |
| 1679 | fsCoordName.c_str(), |
| 1680 | varyingFSName, |
| 1681 | GrGLSLVectorNonhomogCoords(varyingDims), |
| 1682 | varyingFSName, |
| 1683 | GrGLSLVectorHomogCoord(varyingDims)); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1684 | } |
| 1685 | } |
| 1686 | |
bsalomon@google.com | fc29629 | 2011-05-06 13:53:47 +0000 | [diff] [blame] | 1687 | GrStringBuilder sampleCoords; |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 1688 | bool complexCoord = false; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1689 | switch (desc.fCoordMapping) { |
bsalomon@google.com | 22c5dea | 2011-07-07 14:38:03 +0000 | [diff] [blame] | 1690 | case StageDesc::kIdentity_CoordMapping: |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1691 | sampleCoords = fsCoordName; |
| 1692 | break; |
bsalomon@google.com | 22c5dea | 2011-07-07 14:38:03 +0000 | [diff] [blame] | 1693 | case StageDesc::kSweepGradient_CoordMapping: |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1694 | sampleCoords.printf("vec2(atan(- %s.y, - %s.x) * 0.1591549430918 + 0.5, 0.5)", fsCoordName.c_str(), fsCoordName.c_str()); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 1695 | complexCoord = true; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1696 | break; |
bsalomon@google.com | 22c5dea | 2011-07-07 14:38:03 +0000 | [diff] [blame] | 1697 | case StageDesc::kRadialGradient_CoordMapping: |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1698 | sampleCoords.printf("vec2(length(%s.xy), 0.5)", fsCoordName.c_str()); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 1699 | complexCoord = true; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1700 | break; |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1701 | case StageDesc::kRadial2Gradient_CoordMapping: |
| 1702 | complexCoord = genRadial2GradientCoordMapping( |
| 1703 | stageNum, segments, |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1704 | radial2VaryingFSName, radial2Params, |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1705 | sampleCoords, fsCoordName, |
| 1706 | varyingDims, coordDims); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1707 | |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1708 | break; |
| 1709 | case StageDesc::kRadial2GradientDegenerate_CoordMapping: |
| 1710 | complexCoord = genRadial2GradientDegenerateCoordMapping( |
| 1711 | stageNum, segments, |
tomhudson@google.com | da66898 | 2011-12-07 15:06:29 +0000 | [diff] [blame] | 1712 | radial2VaryingFSName, radial2Params, |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1713 | sampleCoords, fsCoordName, |
| 1714 | varyingDims, coordDims); |
| 1715 | break; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1716 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1717 | }; |
| 1718 | |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1719 | static const uint32_t kMulByAlphaMask = |
| 1720 | (StageDesc::kMulRGBByAlpha_RoundUp_InConfigFlag | |
| 1721 | StageDesc::kMulRGBByAlpha_RoundDown_InConfigFlag); |
| 1722 | |
tomhudson@google.com | f74ad8c | 2011-11-09 22:15:08 +0000 | [diff] [blame] | 1723 | const char* swizzle = ""; |
bsalomon@google.com | 74b9871 | 2011-11-11 19:46:16 +0000 | [diff] [blame] | 1724 | if (desc.fInConfigFlags & StageDesc::kSwapRAndB_InConfigFlag) { |
| 1725 | GrAssert(!(desc.fInConfigFlags & StageDesc::kSmearAlpha_InConfigFlag)); |
robertphillips@google.com | 443e5a5 | 2012-04-30 20:01:21 +0000 | [diff] [blame] | 1726 | GrAssert(!(desc.fInConfigFlags & StageDesc::kSmearRed_InConfigFlag)); |
bsalomon@google.com | 74b9871 | 2011-11-11 19:46:16 +0000 | [diff] [blame] | 1727 | swizzle = ".bgra"; |
| 1728 | } else if (desc.fInConfigFlags & StageDesc::kSmearAlpha_InConfigFlag) { |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1729 | GrAssert(!(desc.fInConfigFlags & kMulByAlphaMask)); |
robertphillips@google.com | 443e5a5 | 2012-04-30 20:01:21 +0000 | [diff] [blame] | 1730 | GrAssert(!(desc.fInConfigFlags & StageDesc::kSmearRed_InConfigFlag)); |
bsalomon@google.com | 74b9871 | 2011-11-11 19:46:16 +0000 | [diff] [blame] | 1731 | swizzle = ".aaaa"; |
robertphillips@google.com | 443e5a5 | 2012-04-30 20:01:21 +0000 | [diff] [blame] | 1732 | } else if (desc.fInConfigFlags & StageDesc::kSmearRed_InConfigFlag) { |
| 1733 | GrAssert(!(desc.fInConfigFlags & kMulByAlphaMask)); |
| 1734 | GrAssert(!(desc.fInConfigFlags & StageDesc::kSmearAlpha_InConfigFlag)); |
| 1735 | swizzle = ".rrrr"; |
| 1736 | } |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1737 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame] | 1738 | GrStringBuilder modulate; |
| 1739 | if (NULL != fsInColor) { |
| 1740 | modulate.printf(" * %s", fsInColor); |
| 1741 | } |
| 1742 | |
tomhudson@google.com | 0d83172 | 2011-06-02 15:37:14 +0000 | [diff] [blame] | 1743 | if (desc.fOptFlags & |
bsalomon@google.com | 22c5dea | 2011-07-07 14:38:03 +0000 | [diff] [blame] | 1744 | StageDesc::kCustomTextureDomain_OptFlagBit) { |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1745 | GrStringBuilder texDomainName; |
| 1746 | tex_domain_name(stageNum, &texDomainName); |
tomhudson@google.com | 168e634 | 2012-04-18 17:49:20 +0000 | [diff] [blame] | 1747 | segments->fFSUnis.push_back().set(kVec4f_GrSLType, |
tomhudson@google.com | 086e535 | 2011-12-08 14:44:10 +0000 | [diff] [blame] | 1748 | GrGLShaderVar::kUniform_TypeModifier, texDomainName); |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1749 | GrStringBuilder coordVar("clampCoord"); |
| 1750 | segments->fFSCode.appendf("\t%s %s = clamp(%s, %s.xy, %s.zw);\n", |
bsalomon@google.com | 4fa6694 | 2011-09-20 19:06:12 +0000 | [diff] [blame] | 1751 | float_vector_type_str(coordDims), |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1752 | coordVar.c_str(), |
| 1753 | sampleCoords.c_str(), |
| 1754 | texDomainName.c_str(), |
| 1755 | texDomainName.c_str()); |
| 1756 | sampleCoords = coordVar; |
| 1757 | locations->fTexDomUni = kUseUniform; |
| 1758 | } |
| 1759 | |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1760 | switch (desc.fFetchMode) { |
| 1761 | case StageDesc::k2x2_FetchMode: |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1762 | GrAssert(!(desc.fInConfigFlags & kMulByAlphaMask)); |
tomhudson@google.com | 2a2e3ef | 2011-10-25 19:51:09 +0000 | [diff] [blame] | 1763 | gen2x2FS(stageNum, segments, locations, &sampleCoords, |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1764 | samplerName, texelSizeName, swizzle, fsOutColor, |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1765 | texFunc, modulate, complexCoord, coordDims); |
| 1766 | break; |
bsalomon@google.com | 85b505b | 2011-11-07 14:56:51 +0000 | [diff] [blame] | 1767 | case StageDesc::kConvolution_FetchMode: |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1768 | GrAssert(!(desc.fInConfigFlags & kMulByAlphaMask)); |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1769 | break; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1770 | case StageDesc::kDilate_FetchMode: |
| 1771 | case StageDesc::kErode_FetchMode: |
| 1772 | GrAssert(!(desc.fInConfigFlags & kMulByAlphaMask)); |
| 1773 | genMorphologyFS(stageNum, desc, segments, |
| 1774 | samplerName, swizzle, imageIncrementName, fsOutColor, |
| 1775 | sampleCoords, texFunc, modulate); |
| 1776 | break; |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1777 | default: |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1778 | if (desc.fInConfigFlags & kMulByAlphaMask) { |
| 1779 | // only one of the mul by alpha flags should be set |
| 1780 | GrAssert(GrIsPow2(kMulByAlphaMask & desc.fInConfigFlags)); |
bsalomon@google.com | 74b9871 | 2011-11-11 19:46:16 +0000 | [diff] [blame] | 1781 | GrAssert(!(desc.fInConfigFlags & |
| 1782 | StageDesc::kSmearAlpha_InConfigFlag)); |
robertphillips@google.com | 443e5a5 | 2012-04-30 20:01:21 +0000 | [diff] [blame] | 1783 | GrAssert(!(desc.fInConfigFlags & |
| 1784 | StageDesc::kSmearRed_InConfigFlag)); |
bsalomon@google.com | 74b9871 | 2011-11-11 19:46:16 +0000 | [diff] [blame] | 1785 | segments->fFSCode.appendf("\t%s = %s(%s, %s)%s;\n", |
| 1786 | fsOutColor, texFunc.c_str(), |
| 1787 | samplerName, sampleCoords.c_str(), |
| 1788 | swizzle); |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1789 | if (desc.fInConfigFlags & |
| 1790 | StageDesc::kMulRGBByAlpha_RoundUp_InConfigFlag) { |
| 1791 | segments->fFSCode.appendf("\t%s = vec4(ceil(%s.rgb*%s.a*255.0)/255.0,%s.a)%s;\n", |
| 1792 | fsOutColor, fsOutColor, fsOutColor, |
| 1793 | fsOutColor, modulate.c_str()); |
| 1794 | } else { |
| 1795 | segments->fFSCode.appendf("\t%s = vec4(floor(%s.rgb*%s.a*255.0)/255.0,%s.a)%s;\n", |
| 1796 | fsOutColor, fsOutColor, fsOutColor, |
| 1797 | fsOutColor, modulate.c_str()); |
| 1798 | } |
bsalomon@google.com | 74b9871 | 2011-11-11 19:46:16 +0000 | [diff] [blame] | 1799 | } else { |
| 1800 | segments->fFSCode.appendf("\t%s = %s(%s, %s)%s%s;\n", |
| 1801 | fsOutColor, texFunc.c_str(), |
| 1802 | samplerName, sampleCoords.c_str(), |
| 1803 | swizzle, modulate.c_str()); |
| 1804 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1805 | } |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1806 | |
| 1807 | if (NULL != customStage) { |
| 1808 | if (desc.fOptFlags & (StageDesc::kIdentityMatrix_OptFlagBit | |
| 1809 | StageDesc::kNoPerspective_OptFlagBit)) { |
| 1810 | customStage->setSamplerMode(GrGLProgramStage::kDefault_SamplerMode); |
| 1811 | } else if (StageDesc::kIdentity_CoordMapping == desc.fCoordMapping && |
| 1812 | StageDesc::kSingle_FetchMode == desc.fFetchMode) { |
| 1813 | customStage->setSamplerMode(GrGLProgramStage::kProj_SamplerMode); |
| 1814 | } else { |
| 1815 | customStage->setSamplerMode( |
| 1816 | GrGLProgramStage::kExplicitDivide_SamplerMode); |
| 1817 | } |
| 1818 | |
| 1819 | GrStringBuilder fragmentShader; |
| 1820 | fsCoordName = customStage->emitTextureSetup( |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 1821 | &fragmentShader, sampleCoords.c_str(), |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1822 | stageNum, coordDims, varyingDims); |
| 1823 | customStage->emitFS(&fragmentShader, fsOutColor, fsInColor, |
| 1824 | samplerName, fsCoordName.c_str()); |
| 1825 | |
| 1826 | // Enclose custom code in a block to avoid namespace conflicts |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 1827 | segments->fFSCode.appendf("\t{ // stage %d %s \n", |
| 1828 | stageNum, customStage->name()); |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1829 | segments->fFSCode.append(fragmentShader); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 1830 | segments->fFSCode.appendf("\t}\n"); |
tomhudson@google.com | 07eecdc | 2012-04-20 18:35:38 +0000 | [diff] [blame] | 1831 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1832 | } |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1833 | |
tomhudson@google.com | 5960d00 | 2011-10-19 20:21:48 +0000 | [diff] [blame] | 1834 | |