daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1 | // |
shannon.woods%transgaming.com@gtempaccount.com | 0bbed38 | 2013-04-13 03:38:07 +0000 | [diff] [blame] | 2 | // Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved. |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 3 | // Use of this source code is governed by a BSD-style license that can be |
| 4 | // found in the LICENSE file. |
| 5 | // |
| 6 | |
| 7 | // |
alokp@chromium.org | 774d706 | 2010-07-21 18:55:45 +0000 | [diff] [blame] | 8 | // Implement the top-level of interface to the compiler, |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 9 | // as defined in ShaderLang.h |
| 10 | // |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 11 | |
alokp@chromium.org | ea0e1af | 2010-03-22 19:33:14 +0000 | [diff] [blame] | 12 | #include "GLSLANG/ShaderLang.h" |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 13 | |
Jamie Madill | d4a3a31 | 2014-06-25 16:04:56 -0400 | [diff] [blame] | 14 | #include "compiler/translator/Compiler.h" |
Geoff Lang | 1773282 | 2013-08-29 13:46:49 -0400 | [diff] [blame] | 15 | #include "compiler/translator/InitializeDll.h" |
Jamie Madill | 5508f39 | 2014-02-20 13:31:36 -0500 | [diff] [blame] | 16 | #include "compiler/translator/length_limits.h" |
Geoff Lang | 1773282 | 2013-08-29 13:46:49 -0400 | [diff] [blame] | 17 | #include "compiler/translator/TranslatorHLSL.h" |
| 18 | #include "compiler/translator/VariablePacker.h" |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 19 | #include "angle_gl.h" |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 20 | |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 21 | namespace |
| 22 | { |
| 23 | |
| 24 | enum ShaderVariableType |
| 25 | { |
| 26 | SHADERVAR_UNIFORM, |
| 27 | SHADERVAR_VARYING, |
| 28 | SHADERVAR_ATTRIBUTE, |
| 29 | SHADERVAR_OUTPUTVARIABLE, |
| 30 | SHADERVAR_INTERFACEBLOCK |
| 31 | }; |
| 32 | |
| 33 | bool isInitialized = false; |
Jamie Madill | b4d192c | 2014-02-26 09:54:10 -0500 | [diff] [blame] | 34 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 35 | // |
| 36 | // This is the platform independent interface between an OGL driver |
alokp@chromium.org | 774d706 | 2010-07-21 18:55:45 +0000 | [diff] [blame] | 37 | // and the shading language compiler. |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 38 | // |
| 39 | |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 40 | static bool CheckVariableMaxLengths(const ShHandle handle, |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 41 | size_t expectedValue) |
alokp@chromium.org | ee76f6a | 2010-09-27 19:28:55 +0000 | [diff] [blame] | 42 | { |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 43 | size_t activeUniformLimit = 0; |
kbr@chromium.org | 2215211 | 2011-10-26 01:18:28 +0000 | [diff] [blame] | 44 | ShGetInfo(handle, SH_ACTIVE_UNIFORM_MAX_LENGTH, &activeUniformLimit); |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 45 | size_t activeAttribLimit = 0; |
kbr@chromium.org | 2215211 | 2011-10-26 01:18:28 +0000 | [diff] [blame] | 46 | ShGetInfo(handle, SH_ACTIVE_ATTRIBUTE_MAX_LENGTH, &activeAttribLimit); |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 47 | size_t varyingLimit = 0; |
| 48 | ShGetInfo(handle, SH_VARYING_MAX_LENGTH, &varyingLimit); |
| 49 | return (expectedValue == activeUniformLimit && |
| 50 | expectedValue == activeAttribLimit && |
| 51 | expectedValue == varyingLimit); |
kbr@chromium.org | 2215211 | 2011-10-26 01:18:28 +0000 | [diff] [blame] | 52 | } |
| 53 | |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 54 | bool CheckMappedNameMaxLength(const ShHandle handle, size_t expectedValue) |
kbr@chromium.org | 2215211 | 2011-10-26 01:18:28 +0000 | [diff] [blame] | 55 | { |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 56 | size_t mappedNameMaxLength = 0; |
kbr@chromium.org | 2215211 | 2011-10-26 01:18:28 +0000 | [diff] [blame] | 57 | ShGetInfo(handle, SH_MAPPED_NAME_MAX_LENGTH, &mappedNameMaxLength); |
| 58 | return (expectedValue == mappedNameMaxLength); |
alokp@chromium.org | ee76f6a | 2010-09-27 19:28:55 +0000 | [diff] [blame] | 59 | } |
| 60 | |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 61 | template <typename VarT> |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 62 | const sh::ShaderVariable *ReturnVariable(const std::vector<VarT> &infoList, int index) |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 63 | { |
| 64 | if (index < 0 || static_cast<size_t>(index) >= infoList.size()) |
| 65 | { |
| 66 | return NULL; |
| 67 | } |
| 68 | |
| 69 | return &infoList[index]; |
| 70 | } |
| 71 | |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 72 | const sh::ShaderVariable *GetVariable(const TCompiler *compiler, ShShaderInfo varType, int index) |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 73 | { |
| 74 | switch (varType) |
| 75 | { |
| 76 | case SH_ACTIVE_ATTRIBUTES: |
Jamie Madill | ed27c72 | 2014-07-02 15:31:23 -0400 | [diff] [blame] | 77 | return ReturnVariable(compiler->getAttributes(), index); |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 78 | case SH_ACTIVE_UNIFORMS: |
Jamie Madill | 23a8a43 | 2014-07-09 13:27:42 -0400 | [diff] [blame] | 79 | return ReturnVariable(compiler->getExpandedUniforms(), index); |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 80 | case SH_VARYINGS: |
Jamie Madill | 23a8a43 | 2014-07-09 13:27:42 -0400 | [diff] [blame] | 81 | return ReturnVariable(compiler->getExpandedVaryings(), index); |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 82 | default: |
| 83 | UNREACHABLE(); |
| 84 | return NULL; |
| 85 | } |
| 86 | } |
| 87 | |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 88 | ShPrecisionType ConvertPrecision(sh::GLenum precision) |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 89 | { |
| 90 | switch (precision) |
| 91 | { |
| 92 | case GL_HIGH_FLOAT: |
| 93 | case GL_HIGH_INT: |
| 94 | return SH_PRECISION_HIGHP; |
| 95 | case GL_MEDIUM_FLOAT: |
| 96 | case GL_MEDIUM_INT: |
Jamie Madill | 1da63af | 2014-07-03 15:00:53 -0400 | [diff] [blame] | 97 | return SH_PRECISION_MEDIUMP; |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 98 | case GL_LOW_FLOAT: |
| 99 | case GL_LOW_INT: |
Jamie Madill | 1da63af | 2014-07-03 15:00:53 -0400 | [diff] [blame] | 100 | return SH_PRECISION_LOWP; |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 101 | default: |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 102 | return SH_PRECISION_UNDEFINED; |
| 103 | } |
| 104 | } |
| 105 | |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 106 | template <typename VarT> |
| 107 | const std::vector<VarT> *GetVariableList(const TCompiler *compiler, ShaderVariableType variableType); |
| 108 | |
| 109 | template <> |
| 110 | const std::vector<sh::Uniform> *GetVariableList(const TCompiler *compiler, ShaderVariableType) |
| 111 | { |
| 112 | return &compiler->getUniforms(); |
| 113 | } |
| 114 | |
| 115 | template <> |
| 116 | const std::vector<sh::Varying> *GetVariableList(const TCompiler *compiler, ShaderVariableType) |
| 117 | { |
| 118 | return &compiler->getVaryings(); |
| 119 | } |
| 120 | |
| 121 | template <> |
| 122 | const std::vector<sh::Attribute> *GetVariableList(const TCompiler *compiler, ShaderVariableType variableType) |
| 123 | { |
| 124 | return (variableType == SHADERVAR_ATTRIBUTE ? |
| 125 | &compiler->getAttributes() : |
| 126 | &compiler->getOutputVariables()); |
| 127 | } |
| 128 | |
| 129 | template <> |
| 130 | const std::vector<sh::InterfaceBlock> *GetVariableList(const TCompiler *compiler, ShaderVariableType) |
| 131 | { |
| 132 | return &compiler->getInterfaceBlocks(); |
| 133 | } |
| 134 | |
| 135 | template <typename VarT> |
| 136 | const std::vector<VarT> *GetShaderVariables(const ShHandle handle, ShaderVariableType variableType) |
| 137 | { |
| 138 | if (!handle) |
| 139 | { |
| 140 | return NULL; |
| 141 | } |
| 142 | |
| 143 | TShHandleBase* base = static_cast<TShHandleBase*>(handle); |
| 144 | TCompiler* compiler = base->getAsCompiler(); |
| 145 | if (!compiler) |
| 146 | { |
| 147 | return NULL; |
| 148 | } |
| 149 | |
| 150 | return GetVariableList<VarT>(compiler, variableType); |
| 151 | } |
| 152 | |
| 153 | } |
| 154 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 155 | // |
Alok Priyadarshi | b11713f | 2013-08-01 16:02:39 -0700 | [diff] [blame] | 156 | // Driver must call this first, once, before doing any other compiler operations. |
| 157 | // Subsequent calls to this function are no-op. |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 158 | // |
| 159 | int ShInitialize() |
| 160 | { |
Jamie Madill | 477bc78 | 2014-02-26 09:54:17 -0500 | [diff] [blame] | 161 | if (!isInitialized) |
| 162 | { |
| 163 | isInitialized = InitProcess(); |
| 164 | } |
Jamie Madill | b4d192c | 2014-02-26 09:54:10 -0500 | [diff] [blame] | 165 | return isInitialized ? 1 : 0; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | // |
alokp@chromium.org | 94a86ad | 2010-08-25 20:02:11 +0000 | [diff] [blame] | 169 | // Cleanup symbol tables |
| 170 | // |
| 171 | int ShFinalize() |
| 172 | { |
Geoff Lang | f20f020 | 2014-04-28 11:02:07 -0400 | [diff] [blame] | 173 | if (isInitialized) |
| 174 | { |
| 175 | DetachProcess(); |
| 176 | isInitialized = false; |
| 177 | } |
alokp@chromium.org | 94a86ad | 2010-08-25 20:02:11 +0000 | [diff] [blame] | 178 | return 1; |
| 179 | } |
| 180 | |
| 181 | // |
| 182 | // Initialize built-in resources with minimum expected values. |
| 183 | // |
alokp@chromium.org | 4888ceb | 2010-10-01 21:13:12 +0000 | [diff] [blame] | 184 | void ShInitBuiltInResources(ShBuiltInResources* resources) |
alokp@chromium.org | 94a86ad | 2010-08-25 20:02:11 +0000 | [diff] [blame] | 185 | { |
| 186 | // Constants. |
| 187 | resources->MaxVertexAttribs = 8; |
| 188 | resources->MaxVertexUniformVectors = 128; |
| 189 | resources->MaxVaryingVectors = 8; |
| 190 | resources->MaxVertexTextureImageUnits = 0; |
| 191 | resources->MaxCombinedTextureImageUnits = 8; |
| 192 | resources->MaxTextureImageUnits = 8; |
| 193 | resources->MaxFragmentUniformVectors = 16; |
| 194 | resources->MaxDrawBuffers = 1; |
| 195 | |
| 196 | // Extensions. |
| 197 | resources->OES_standard_derivatives = 0; |
zmo@google.com | 09c323a | 2011-08-12 18:22:25 +0000 | [diff] [blame] | 198 | resources->OES_EGL_image_external = 0; |
kbr@chromium.org | 205fef3 | 2011-11-22 20:50:02 +0000 | [diff] [blame] | 199 | resources->ARB_texture_rectangle = 0; |
shannon.woods@transgaming.com | 550cd09 | 2013-02-28 23:19:54 +0000 | [diff] [blame] | 200 | resources->EXT_draw_buffers = 0; |
Jamie Madill | 2aeb26a | 2013-07-08 14:02:55 -0400 | [diff] [blame] | 201 | resources->EXT_frag_depth = 0; |
Nicolas Capens | 4648508 | 2014-04-15 13:12:50 -0400 | [diff] [blame] | 202 | resources->EXT_shader_texture_lod = 0; |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 203 | |
shannon.woods%transgaming.com@gtempaccount.com | cbb6b6a | 2013-04-13 03:27:47 +0000 | [diff] [blame] | 204 | // Disable highp precision in fragment shader by default. |
| 205 | resources->FragmentPrecisionHigh = 0; |
| 206 | |
shannonwoods@chromium.org | 74b86cf | 2013-05-30 00:02:58 +0000 | [diff] [blame] | 207 | // GLSL ES 3.0 constants. |
| 208 | resources->MaxVertexOutputVectors = 16; |
| 209 | resources->MaxFragmentInputVectors = 15; |
| 210 | resources->MinProgramTexelOffset = -8; |
| 211 | resources->MaxProgramTexelOffset = 7; |
| 212 | |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 213 | // Disable name hashing by default. |
| 214 | resources->HashFunction = NULL; |
shannon.woods@transgaming.com | 1d432bb | 2013-01-25 21:57:28 +0000 | [diff] [blame] | 215 | |
| 216 | resources->ArrayIndexClampingStrategy = SH_CLAMP_WITH_CLAMP_INTRINSIC; |
Nicolas Capens | 7d649a0 | 2014-02-07 11:24:32 -0500 | [diff] [blame] | 217 | |
| 218 | resources->MaxExpressionComplexity = 256; |
| 219 | resources->MaxCallStackDepth = 256; |
alokp@chromium.org | 94a86ad | 2010-08-25 20:02:11 +0000 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | // |
alokp@chromium.org | 774d706 | 2010-07-21 18:55:45 +0000 | [diff] [blame] | 223 | // Driver calls these to create and destroy compiler objects. |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 224 | // |
Jamie Madill | 183bde5 | 2014-07-02 15:31:19 -0400 | [diff] [blame] | 225 | ShHandle ShConstructCompiler(sh::GLenum type, ShShaderSpec spec, |
zmo@google.com | 5601ea0 | 2011-06-10 18:23:25 +0000 | [diff] [blame] | 226 | ShShaderOutput output, |
alokp@chromium.org | 4888ceb | 2010-10-01 21:13:12 +0000 | [diff] [blame] | 227 | const ShBuiltInResources* resources) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 228 | { |
zmo@google.com | 5601ea0 | 2011-06-10 18:23:25 +0000 | [diff] [blame] | 229 | TShHandleBase* base = static_cast<TShHandleBase*>(ConstructCompiler(type, spec, output)); |
alokp@chromium.org | e4249f0 | 2010-07-26 18:13:52 +0000 | [diff] [blame] | 230 | TCompiler* compiler = base->getAsCompiler(); |
| 231 | if (compiler == 0) |
| 232 | return 0; |
| 233 | |
| 234 | // Generate built-in symbol table. |
alokp@chromium.org | 07620a5 | 2010-09-23 17:53:56 +0000 | [diff] [blame] | 235 | if (!compiler->Init(*resources)) { |
alokp@chromium.org | e4249f0 | 2010-07-26 18:13:52 +0000 | [diff] [blame] | 236 | ShDestruct(base); |
| 237 | return 0; |
| 238 | } |
| 239 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 240 | return reinterpret_cast<void*>(base); |
| 241 | } |
| 242 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 243 | void ShDestruct(ShHandle handle) |
| 244 | { |
| 245 | if (handle == 0) |
| 246 | return; |
| 247 | |
| 248 | TShHandleBase* base = static_cast<TShHandleBase*>(handle); |
| 249 | |
| 250 | if (base->getAsCompiler()) |
| 251 | DeleteCompiler(base->getAsCompiler()); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 252 | } |
| 253 | |
Shannon Woods | 2d76e5f | 2014-05-16 17:46:41 -0400 | [diff] [blame] | 254 | void ShGetBuiltInResourcesString(const ShHandle handle, size_t outStringLen, char *outString) |
| 255 | { |
| 256 | if (!handle || !outString) |
| 257 | { |
| 258 | return; |
| 259 | } |
| 260 | |
| 261 | TShHandleBase *base = static_cast<TShHandleBase*>(handle); |
| 262 | TCompiler *compiler = base->getAsCompiler(); |
| 263 | if (!compiler) |
| 264 | { |
| 265 | return; |
| 266 | } |
| 267 | |
| 268 | strncpy(outString, compiler->getBuiltInResourcesString().c_str(), outStringLen); |
| 269 | outString[outStringLen - 1] = '\0'; |
| 270 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 271 | // |
Shannon Woods | 2d76e5f | 2014-05-16 17:46:41 -0400 | [diff] [blame] | 272 | // Do an actual compile on the given strings. The result is left |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 273 | // in the given compile object. |
| 274 | // |
| 275 | // Return: The return value of ShCompile is really boolean, indicating |
| 276 | // success or failure. |
| 277 | // |
| 278 | int ShCompile( |
| 279 | const ShHandle handle, |
| 280 | const char* const shaderStrings[], |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 281 | size_t numStrings, |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 282 | int compileOptions) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 283 | { |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 284 | if (handle == 0) |
| 285 | return 0; |
| 286 | |
| 287 | TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle); |
| 288 | TCompiler* compiler = base->getAsCompiler(); |
| 289 | if (compiler == 0) |
| 290 | return 0; |
alokp@chromium.org | 07620a5 | 2010-09-23 17:53:56 +0000 | [diff] [blame] | 291 | |
alokp@chromium.org | 07620a5 | 2010-09-23 17:53:56 +0000 | [diff] [blame] | 292 | bool success = compiler->compile(shaderStrings, numStrings, compileOptions); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 293 | return success ? 1 : 0; |
| 294 | } |
| 295 | |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 296 | void ShGetInfo(const ShHandle handle, ShShaderInfo pname, size_t* params) |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 297 | { |
| 298 | if (!handle || !params) |
| 299 | return; |
| 300 | |
| 301 | TShHandleBase* base = static_cast<TShHandleBase*>(handle); |
| 302 | TCompiler* compiler = base->getAsCompiler(); |
| 303 | if (!compiler) return; |
| 304 | |
| 305 | switch(pname) |
| 306 | { |
| 307 | case SH_INFO_LOG_LENGTH: |
| 308 | *params = compiler->getInfoSink().info.size() + 1; |
| 309 | break; |
| 310 | case SH_OBJECT_CODE_LENGTH: |
| 311 | *params = compiler->getInfoSink().obj.size() + 1; |
| 312 | break; |
| 313 | case SH_ACTIVE_UNIFORMS: |
Jamie Madill | 23a8a43 | 2014-07-09 13:27:42 -0400 | [diff] [blame] | 314 | *params = compiler->getExpandedUniforms().size(); |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 315 | break; |
| 316 | case SH_ACTIVE_UNIFORM_MAX_LENGTH: |
Zhenyao Mo | 7faf1a1 | 2014-04-25 18:03:56 -0700 | [diff] [blame] | 317 | *params = 1 + GetGlobalMaxTokenSize(compiler->getShaderSpec()); |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 318 | break; |
| 319 | case SH_ACTIVE_ATTRIBUTES: |
Jamie Madill | ed27c72 | 2014-07-02 15:31:23 -0400 | [diff] [blame] | 320 | *params = compiler->getAttributes().size(); |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 321 | break; |
| 322 | case SH_ACTIVE_ATTRIBUTE_MAX_LENGTH: |
Zhenyao Mo | 7faf1a1 | 2014-04-25 18:03:56 -0700 | [diff] [blame] | 323 | *params = 1 + GetGlobalMaxTokenSize(compiler->getShaderSpec()); |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 324 | break; |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 325 | case SH_VARYINGS: |
Jamie Madill | 23a8a43 | 2014-07-09 13:27:42 -0400 | [diff] [blame] | 326 | *params = compiler->getExpandedVaryings().size(); |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 327 | break; |
| 328 | case SH_VARYING_MAX_LENGTH: |
Zhenyao Mo | 7faf1a1 | 2014-04-25 18:03:56 -0700 | [diff] [blame] | 329 | *params = 1 + GetGlobalMaxTokenSize(compiler->getShaderSpec()); |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 330 | break; |
zmo@google.com | fd747b8 | 2011-04-23 01:30:07 +0000 | [diff] [blame] | 331 | case SH_MAPPED_NAME_MAX_LENGTH: |
kbr@chromium.org | 2215211 | 2011-10-26 01:18:28 +0000 | [diff] [blame] | 332 | // Use longer length than MAX_SHORTENED_IDENTIFIER_SIZE to |
| 333 | // handle array and struct dereferences. |
Zhenyao Mo | 7faf1a1 | 2014-04-25 18:03:56 -0700 | [diff] [blame] | 334 | *params = 1 + GetGlobalMaxTokenSize(compiler->getShaderSpec()); |
zmo@google.com | fd747b8 | 2011-04-23 01:30:07 +0000 | [diff] [blame] | 335 | break; |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 336 | case SH_NAME_MAX_LENGTH: |
Zhenyao Mo | 7faf1a1 | 2014-04-25 18:03:56 -0700 | [diff] [blame] | 337 | *params = 1 + GetGlobalMaxTokenSize(compiler->getShaderSpec()); |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 338 | break; |
| 339 | case SH_HASHED_NAME_MAX_LENGTH: |
| 340 | if (compiler->getHashFunction() == NULL) { |
| 341 | *params = 0; |
| 342 | } else { |
| 343 | // 64 bits hashing output requires 16 bytes for hex |
| 344 | // representation. |
| 345 | const char HashedNamePrefix[] = HASHED_NAME_PREFIX; |
Geoff Lang | cebb5aa | 2014-04-07 14:13:40 -0400 | [diff] [blame] | 346 | (void)HashedNamePrefix; |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 347 | *params = 16 + sizeof(HashedNamePrefix); |
| 348 | } |
| 349 | break; |
| 350 | case SH_HASHED_NAMES_COUNT: |
| 351 | *params = compiler->getNameMap().size(); |
| 352 | break; |
shannon.woods%transgaming.com@gtempaccount.com | 0bbed38 | 2013-04-13 03:38:07 +0000 | [diff] [blame] | 353 | case SH_SHADER_VERSION: |
| 354 | *params = compiler->getShaderVersion(); |
| 355 | break; |
Shannon Woods | 2d76e5f | 2014-05-16 17:46:41 -0400 | [diff] [blame] | 356 | case SH_RESOURCES_STRING_LENGTH: |
| 357 | *params = compiler->getBuiltInResourcesString().length() + 1; |
| 358 | break; |
Jamie Madill | 68fe74a | 2014-05-27 12:56:01 -0400 | [diff] [blame] | 359 | case SH_OUTPUT_TYPE: |
| 360 | *params = compiler->getOutputType(); |
| 361 | break; |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 362 | default: UNREACHABLE(); |
| 363 | } |
| 364 | } |
| 365 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 366 | // |
alokp@chromium.org | 774d706 | 2010-07-21 18:55:45 +0000 | [diff] [blame] | 367 | // Return any compiler log of messages for the application. |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 368 | // |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 369 | void ShGetInfoLog(const ShHandle handle, char* infoLog) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 370 | { |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 371 | if (!handle || !infoLog) |
| 372 | return; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 373 | |
| 374 | TShHandleBase* base = static_cast<TShHandleBase*>(handle); |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 375 | TCompiler* compiler = base->getAsCompiler(); |
| 376 | if (!compiler) return; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 377 | |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 378 | TInfoSink& infoSink = compiler->getInfoSink(); |
| 379 | strcpy(infoLog, infoSink.info.c_str()); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | // |
alokp@chromium.org | 774d706 | 2010-07-21 18:55:45 +0000 | [diff] [blame] | 383 | // Return any object code. |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 384 | // |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 385 | void ShGetObjectCode(const ShHandle handle, char* objCode) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 386 | { |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 387 | if (!handle || !objCode) |
| 388 | return; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 389 | |
| 390 | TShHandleBase* base = static_cast<TShHandleBase*>(handle); |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 391 | TCompiler* compiler = base->getAsCompiler(); |
| 392 | if (!compiler) return; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 393 | |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 394 | TInfoSink& infoSink = compiler->getInfoSink(); |
| 395 | strcpy(objCode, infoSink.obj.c_str()); |
| 396 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 397 | |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 398 | void ShGetVariableInfo(const ShHandle handle, |
| 399 | ShShaderInfo varType, |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 400 | int index, |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 401 | size_t* length, |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 402 | int* size, |
Jamie Madill | 183bde5 | 2014-07-02 15:31:19 -0400 | [diff] [blame] | 403 | sh::GLenum* type, |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 404 | ShPrecisionType* precision, |
Zhenyao Mo | d2d340b | 2013-09-23 14:57:05 -0400 | [diff] [blame] | 405 | int* staticUse, |
zmo@google.com | fd747b8 | 2011-04-23 01:30:07 +0000 | [diff] [blame] | 406 | char* name, |
| 407 | char* mappedName) |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 408 | { |
Zhenyao Mo | d2d340b | 2013-09-23 14:57:05 -0400 | [diff] [blame] | 409 | if (!handle || !size || !type || !precision || !staticUse || !name) |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 410 | return; |
| 411 | ASSERT((varType == SH_ACTIVE_ATTRIBUTES) || |
| 412 | (varType == SH_ACTIVE_UNIFORMS) || |
| 413 | (varType == SH_VARYINGS)); |
alokp@chromium.org | 7beea40 | 2010-09-15 21:18:34 +0000 | [diff] [blame] | 414 | |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 415 | TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle); |
| 416 | TCompiler* compiler = base->getAsCompiler(); |
| 417 | if (compiler == 0) |
| 418 | return; |
| 419 | |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 420 | const sh::ShaderVariable *varInfo = GetVariable(compiler, varType, index); |
| 421 | if (!varInfo) |
| 422 | { |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 423 | return; |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 424 | } |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 425 | |
| 426 | if (length) *length = varInfo->name.size(); |
| 427 | *size = varInfo->elementCount(); |
| 428 | *type = varInfo->type; |
| 429 | *precision = ConvertPrecision(varInfo->precision); |
| 430 | *staticUse = varInfo->staticUse ? 1 : 0; |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 431 | |
| 432 | // This size must match that queried by |
| 433 | // SH_ACTIVE_UNIFORM_MAX_LENGTH, SH_ACTIVE_ATTRIBUTE_MAX_LENGTH, SH_VARYING_MAX_LENGTH |
| 434 | // in ShGetInfo, below. |
Zhenyao Mo | 7faf1a1 | 2014-04-25 18:03:56 -0700 | [diff] [blame] | 435 | size_t variableLength = 1 + GetGlobalMaxTokenSize(compiler->getShaderSpec()); |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 436 | ASSERT(CheckVariableMaxLengths(handle, variableLength)); |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 437 | strncpy(name, varInfo->name.c_str(), variableLength); |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 438 | name[variableLength - 1] = 0; |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 439 | if (mappedName) |
| 440 | { |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 441 | // This size must match that queried by |
| 442 | // SH_MAPPED_NAME_MAX_LENGTH in ShGetInfo, below. |
Zhenyao Mo | 7faf1a1 | 2014-04-25 18:03:56 -0700 | [diff] [blame] | 443 | size_t maxMappedNameLength = 1 + GetGlobalMaxTokenSize(compiler->getShaderSpec()); |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 444 | ASSERT(CheckMappedNameMaxLength(handle, maxMappedNameLength)); |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 445 | strncpy(mappedName, varInfo->mappedName.c_str(), maxMappedNameLength); |
Zhenyao Mo | 74da9f2 | 2013-09-23 14:57:01 -0400 | [diff] [blame] | 446 | mappedName[maxMappedNameLength - 1] = 0; |
| 447 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 448 | } |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 449 | |
| 450 | void ShGetNameHashingEntry(const ShHandle handle, |
| 451 | int index, |
| 452 | char* name, |
| 453 | char* hashedName) |
| 454 | { |
| 455 | if (!handle || !name || !hashedName || index < 0) |
| 456 | return; |
| 457 | |
| 458 | TShHandleBase* base = static_cast<TShHandleBase*>(handle); |
| 459 | TCompiler* compiler = base->getAsCompiler(); |
| 460 | if (!compiler) return; |
| 461 | |
| 462 | const NameMap& nameMap = compiler->getNameMap(); |
| 463 | if (index >= static_cast<int>(nameMap.size())) |
| 464 | return; |
| 465 | |
| 466 | NameMap::const_iterator it = nameMap.begin(); |
| 467 | for (int i = 0; i < index; ++i) |
| 468 | ++it; |
| 469 | |
| 470 | size_t len = it->first.length() + 1; |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 471 | size_t max_len = 0; |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 472 | ShGetInfo(handle, SH_NAME_MAX_LENGTH, &max_len); |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 473 | if (len > max_len) { |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 474 | ASSERT(false); |
| 475 | len = max_len; |
| 476 | } |
| 477 | strncpy(name, it->first.c_str(), len); |
| 478 | // To be on the safe side in case the source is longer than expected. |
daniel@transgaming.com | 75cb689 | 2013-02-01 03:20:26 +0000 | [diff] [blame] | 479 | name[len - 1] = '\0'; |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 480 | |
| 481 | len = it->second.length() + 1; |
| 482 | max_len = 0; |
| 483 | ShGetInfo(handle, SH_HASHED_NAME_MAX_LENGTH, &max_len); |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 484 | if (len > max_len) { |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 485 | ASSERT(false); |
| 486 | len = max_len; |
| 487 | } |
| 488 | strncpy(hashedName, it->second.c_str(), len); |
| 489 | // To be on the safe side in case the source is longer than expected. |
daniel@transgaming.com | 75cb689 | 2013-02-01 03:20:26 +0000 | [diff] [blame] | 490 | hashedName[len - 1] = '\0'; |
daniel@transgaming.com | c23f461 | 2012-11-28 19:42:57 +0000 | [diff] [blame] | 491 | } |
daniel@transgaming.com | 043da13 | 2012-12-20 21:12:22 +0000 | [diff] [blame] | 492 | |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 493 | const std::vector<sh::Uniform> *ShGetUniforms(const ShHandle handle) |
daniel@transgaming.com | 043da13 | 2012-12-20 21:12:22 +0000 | [diff] [blame] | 494 | { |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 495 | return GetShaderVariables<sh::Uniform>(handle, SHADERVAR_UNIFORM); |
| 496 | } |
daniel@transgaming.com | 043da13 | 2012-12-20 21:12:22 +0000 | [diff] [blame] | 497 | |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 498 | const std::vector<sh::Varying> *ShGetVaryings(const ShHandle handle) |
| 499 | { |
| 500 | return GetShaderVariables<sh::Varying>(handle, SHADERVAR_VARYING); |
| 501 | } |
daniel@transgaming.com | 043da13 | 2012-12-20 21:12:22 +0000 | [diff] [blame] | 502 | |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 503 | const std::vector<sh::Attribute> *ShGetAttributes(const ShHandle handle) |
| 504 | { |
| 505 | return GetShaderVariables<sh::Attribute>(handle, SHADERVAR_ATTRIBUTE); |
| 506 | } |
| 507 | |
| 508 | const std::vector<sh::Attribute> *ShGetOutputVariables(const ShHandle handle) |
| 509 | { |
| 510 | return GetShaderVariables<sh::Attribute>(handle, SHADERVAR_OUTPUTVARIABLE); |
| 511 | } |
| 512 | |
| 513 | const std::vector<sh::InterfaceBlock> *ShGetInterfaceBlocks(const ShHandle handle) |
| 514 | { |
| 515 | return GetShaderVariables<sh::InterfaceBlock>(handle, SHADERVAR_INTERFACEBLOCK); |
shannon.woods@transgaming.com | 1d432bb | 2013-01-25 21:57:28 +0000 | [diff] [blame] | 516 | } |
Zhenyao Mo | a15f3e8 | 2013-09-23 14:57:08 -0400 | [diff] [blame] | 517 | |
| 518 | int ShCheckVariablesWithinPackingLimits( |
| 519 | int maxVectors, ShVariableInfo* varInfoArray, size_t varInfoArraySize) |
| 520 | { |
| 521 | if (varInfoArraySize == 0) |
| 522 | return 1; |
| 523 | ASSERT(varInfoArray); |
Jamie Madill | a718c1e | 2014-07-02 15:31:22 -0400 | [diff] [blame] | 524 | std::vector<sh::ShaderVariable> variables; |
Zhenyao Mo | a15f3e8 | 2013-09-23 14:57:08 -0400 | [diff] [blame] | 525 | for (size_t ii = 0; ii < varInfoArraySize; ++ii) |
| 526 | { |
Jamie Madill | a3fe2b4 | 2014-07-18 10:33:13 -0400 | [diff] [blame] | 527 | sh::ShaderVariable var(varInfoArray[ii].type, varInfoArray[ii].size); |
Zhenyao Mo | a15f3e8 | 2013-09-23 14:57:08 -0400 | [diff] [blame] | 528 | variables.push_back(var); |
| 529 | } |
| 530 | VariablePacker packer; |
| 531 | return packer.CheckVariablesWithinPackingLimits(maxVectors, variables) ? 1 : 0; |
| 532 | } |
Jamie Madill | 4e1fd41 | 2014-07-10 17:50:10 -0400 | [diff] [blame] | 533 | |
| 534 | bool ShGetInterfaceBlockRegister(const ShHandle handle, |
| 535 | const char *interfaceBlockName, |
| 536 | unsigned int *indexOut) |
| 537 | { |
| 538 | if (!handle || !interfaceBlockName || !indexOut) |
| 539 | { |
| 540 | return false; |
| 541 | } |
| 542 | |
| 543 | TShHandleBase* base = static_cast<TShHandleBase*>(handle); |
| 544 | TranslatorHLSL* translator = base->getAsTranslatorHLSL(); |
| 545 | if (!translator) |
| 546 | { |
| 547 | return false; |
| 548 | } |
| 549 | |
| 550 | if (!translator->hasInterfaceBlock(interfaceBlockName)) |
| 551 | { |
| 552 | return false; |
| 553 | } |
| 554 | |
| 555 | *indexOut = translator->getInterfaceBlockRegister(interfaceBlockName); |
| 556 | return true; |
| 557 | } |
Jamie Madill | 9fe25e9 | 2014-07-18 10:33:08 -0400 | [diff] [blame] | 558 | |
| 559 | bool ShGetUniformRegister(const ShHandle handle, |
| 560 | const char *uniformName, |
| 561 | unsigned int *indexOut) |
| 562 | { |
| 563 | if (!handle || !uniformName || !indexOut) |
| 564 | { |
| 565 | return false; |
| 566 | } |
| 567 | |
| 568 | TShHandleBase* base = static_cast<TShHandleBase*>(handle); |
| 569 | TranslatorHLSL* translator = base->getAsTranslatorHLSL(); |
| 570 | if (!translator) |
| 571 | { |
| 572 | return false; |
| 573 | } |
| 574 | |
| 575 | if (!translator->hasUniform(uniformName)) |
| 576 | { |
| 577 | return false; |
| 578 | } |
| 579 | |
| 580 | *indexOut = translator->getUniformRegister(uniformName); |
| 581 | return true; |
| 582 | } |