bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +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. |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 8 | |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 9 | #include "GrGLUtil.h" |
commit-bot@chromium.org | 215a682 | 2013-09-05 18:28:42 +0000 | [diff] [blame] | 10 | #include "SkMatrix.h" |
bungeman@google.com | fab44db | 2013-10-11 18:50:45 +0000 | [diff] [blame] | 11 | #include <stdio.h> |
bsalomon@google.com | f987d1b | 2011-04-04 17:13:52 +0000 | [diff] [blame] | 12 | |
bsalomon@google.com | 0b77d68 | 2011-08-19 13:28:54 +0000 | [diff] [blame] | 13 | void GrGLClearErr(const GrGLInterface* gl) { |
commit-bot@chromium.org | c72425a | 2014-01-21 16:09:18 +0000 | [diff] [blame] | 14 | while (GR_GL_NO_ERROR != gl->fFunctions.fGetError()) {} |
bsalomon@google.com | f987d1b | 2011-04-04 17:13:52 +0000 | [diff] [blame] | 15 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 16 | |
bsalomon@google.com | 845eafd | 2012-06-18 12:27:29 +0000 | [diff] [blame] | 17 | namespace { |
| 18 | const char *get_error_string(uint32_t err) { |
| 19 | switch (err) { |
| 20 | case GR_GL_NO_ERROR: |
| 21 | return ""; |
| 22 | case GR_GL_INVALID_ENUM: |
| 23 | return "Invalid Enum"; |
| 24 | case GR_GL_INVALID_VALUE: |
| 25 | return "Invalid Value"; |
| 26 | case GR_GL_INVALID_OPERATION: |
| 27 | return "Invalid Operation"; |
| 28 | case GR_GL_OUT_OF_MEMORY: |
| 29 | return "Out of Memory"; |
| 30 | case GR_GL_CONTEXT_LOST: |
| 31 | return "Context Lost"; |
| 32 | } |
| 33 | return "Unknown"; |
| 34 | } |
| 35 | } |
| 36 | |
bsalomon@google.com | 0b77d68 | 2011-08-19 13:28:54 +0000 | [diff] [blame] | 37 | void GrGLCheckErr(const GrGLInterface* gl, |
| 38 | const char* location, |
| 39 | const char* call) { |
| 40 | uint32_t err = GR_GL_GET_ERROR(gl); |
twiz@google.com | 0f31ca7 | 2011-03-18 17:38:11 +0000 | [diff] [blame] | 41 | if (GR_GL_NO_ERROR != err) { |
bsalomon@google.com | 845eafd | 2012-06-18 12:27:29 +0000 | [diff] [blame] | 42 | GrPrintf("---- glGetError 0x%x(%s)", err, get_error_string(err)); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame^] | 43 | if (location) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 44 | GrPrintf(" at\n\t%s", location); |
| 45 | } |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame^] | 46 | if (call) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 47 | GrPrintf("\n\t\t%s", call); |
| 48 | } |
| 49 | GrPrintf("\n"); |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | /////////////////////////////////////////////////////////////////////////////// |
| 54 | |
bsalomon@google.com | d5d1049 | 2011-04-28 21:16:31 +0000 | [diff] [blame] | 55 | #if GR_GL_LOG_CALLS |
| 56 | bool gLogCallsGL = !!(GR_GL_LOG_CALLS_START); |
| 57 | #endif |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 58 | |
bsalomon@google.com | d5d1049 | 2011-04-28 21:16:31 +0000 | [diff] [blame] | 59 | #if GR_GL_CHECK_ERROR |
| 60 | bool gCheckErrorGL = !!(GR_GL_CHECK_ERROR_START); |
| 61 | #endif |
| 62 | |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 63 | /////////////////////////////////////////////////////////////////////////////// |
| 64 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 65 | GrGLStandard GrGLGetStandardInUseFromString(const char* versionString) { |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 66 | if (NULL == versionString) { |
commit-bot@chromium.org | e83b9b7 | 2014-05-01 19:21:41 +0000 | [diff] [blame] | 67 | SkDebugf("NULL GL version string."); |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 68 | return kNone_GrGLStandard; |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | int major, minor; |
| 72 | |
| 73 | // check for desktop |
| 74 | int n = sscanf(versionString, "%d.%d", &major, &minor); |
| 75 | if (2 == n) { |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 76 | return kGL_GrGLStandard; |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | // check for ES 1 |
| 80 | char profile[2]; |
bsalomon@google.com | 960d114 | 2013-05-29 13:11:54 +0000 | [diff] [blame] | 81 | n = sscanf(versionString, "OpenGL ES-%c%c %d.%d", profile, profile+1, &major, &minor); |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 82 | if (4 == n) { |
| 83 | // we no longer support ES1. |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 84 | return kNone_GrGLStandard; |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | // check for ES2 |
| 88 | n = sscanf(versionString, "OpenGL ES %d.%d", &major, &minor); |
| 89 | if (2 == n) { |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 90 | return kGLES_GrGLStandard; |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 91 | } |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 92 | return kNone_GrGLStandard; |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 93 | } |
| 94 | |
commit-bot@chromium.org | 459104c | 2013-06-14 14:42:56 +0000 | [diff] [blame] | 95 | bool GrGLIsMesaFromVersionString(const char* versionString) { |
| 96 | int major, minor, mesaMajor, mesaMinor; |
| 97 | int n = sscanf(versionString, "%d.%d Mesa %d.%d", &major, &minor, &mesaMajor, &mesaMinor); |
| 98 | return 4 == n; |
| 99 | } |
| 100 | |
commit-bot@chromium.org | c9424b8 | 2013-10-30 20:03:16 +0000 | [diff] [blame] | 101 | bool GrGLIsChromiumFromRendererString(const char* rendererString) { |
| 102 | return 0 == strcmp(rendererString, "Chromium"); |
| 103 | } |
| 104 | |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 105 | GrGLVersion GrGLGetVersionFromString(const char* versionString) { |
| 106 | if (NULL == versionString) { |
commit-bot@chromium.org | e83b9b7 | 2014-05-01 19:21:41 +0000 | [diff] [blame] | 107 | SkDebugf("NULL GL version string."); |
commit-bot@chromium.org | f4e67e3 | 2014-04-30 01:26:04 +0000 | [diff] [blame] | 108 | return GR_GL_INVALID_VER; |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | int major, minor; |
| 112 | |
bsalomon@google.com | 960d114 | 2013-05-29 13:11:54 +0000 | [diff] [blame] | 113 | // check for mesa |
| 114 | int mesaMajor, mesaMinor; |
| 115 | int n = sscanf(versionString, "%d.%d Mesa %d.%d", &major, &minor, &mesaMajor, &mesaMinor); |
| 116 | if (4 == n) { |
joshualitt | 4682170 | 2014-07-30 11:49:12 -0700 | [diff] [blame] | 117 | return GR_GL_VER(major, minor); |
bsalomon@google.com | 960d114 | 2013-05-29 13:11:54 +0000 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | n = sscanf(versionString, "%d.%d", &major, &minor); |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 121 | if (2 == n) { |
| 122 | return GR_GL_VER(major, minor); |
| 123 | } |
| 124 | |
| 125 | char profile[2]; |
| 126 | n = sscanf(versionString, "OpenGL ES-%c%c %d.%d", profile, profile+1, |
| 127 | &major, &minor); |
| 128 | if (4 == n) { |
| 129 | return GR_GL_VER(major, minor); |
| 130 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 131 | |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 132 | n = sscanf(versionString, "OpenGL ES %d.%d", &major, &minor); |
| 133 | if (2 == n) { |
| 134 | return GR_GL_VER(major, minor); |
| 135 | } |
| 136 | |
commit-bot@chromium.org | f4e67e3 | 2014-04-30 01:26:04 +0000 | [diff] [blame] | 137 | return GR_GL_INVALID_VER; |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | GrGLSLVersion GrGLGetGLSLVersionFromString(const char* versionString) { |
| 141 | if (NULL == versionString) { |
commit-bot@chromium.org | e83b9b7 | 2014-05-01 19:21:41 +0000 | [diff] [blame] | 142 | SkDebugf("NULL GLSL version string."); |
commit-bot@chromium.org | f4e67e3 | 2014-04-30 01:26:04 +0000 | [diff] [blame] | 143 | return GR_GLSL_INVALID_VER; |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | int major, minor; |
| 147 | |
| 148 | int n = sscanf(versionString, "%d.%d", &major, &minor); |
| 149 | if (2 == n) { |
| 150 | return GR_GLSL_VER(major, minor); |
| 151 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 152 | |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 153 | n = sscanf(versionString, "OpenGL ES GLSL ES %d.%d", &major, &minor); |
| 154 | if (2 == n) { |
| 155 | return GR_GLSL_VER(major, minor); |
| 156 | } |
| 157 | |
| 158 | #ifdef SK_BUILD_FOR_ANDROID |
| 159 | // android hack until the gpu vender updates their drivers |
| 160 | n = sscanf(versionString, "OpenGL ES GLSL %d.%d", &major, &minor); |
| 161 | if (2 == n) { |
| 162 | return GR_GLSL_VER(major, minor); |
| 163 | } |
| 164 | #endif |
| 165 | |
commit-bot@chromium.org | f4e67e3 | 2014-04-30 01:26:04 +0000 | [diff] [blame] | 166 | return GR_GLSL_INVALID_VER; |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 167 | } |
| 168 | |
bsalomon@google.com | 0b1e481 | 2012-10-23 13:52:43 +0000 | [diff] [blame] | 169 | GrGLVendor GrGLGetVendorFromString(const char* vendorString) { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame^] | 170 | if (vendorString) { |
bsalomon@google.com | 96966a5 | 2013-02-21 16:34:21 +0000 | [diff] [blame] | 171 | if (0 == strcmp(vendorString, "ARM")) { |
| 172 | return kARM_GrGLVendor; |
| 173 | } |
bsalomon@google.com | 3012ded | 2013-02-22 16:44:04 +0000 | [diff] [blame] | 174 | if (0 == strcmp(vendorString, "Imagination Technologies")) { |
| 175 | return kImagination_GrGLVendor; |
| 176 | } |
commit-bot@chromium.org | 54318d3 | 2014-02-14 17:27:04 +0000 | [diff] [blame] | 177 | if (0 == strncmp(vendorString, "Intel ", 6) || 0 == strcmp(vendorString, "Intel")) { |
bsalomon@google.com | 3012ded | 2013-02-22 16:44:04 +0000 | [diff] [blame] | 178 | return kIntel_GrGLVendor; |
| 179 | } |
commit-bot@chromium.org | 7a434a2 | 2013-08-21 14:01:56 +0000 | [diff] [blame] | 180 | if (0 == strcmp(vendorString, "Qualcomm")) { |
| 181 | return kQualcomm_GrGLVendor; |
| 182 | } |
bsalomon | e904c09 | 2014-07-17 10:50:59 -0700 | [diff] [blame] | 183 | if (0 == strcmp(vendorString, "NVIDIA Corporation")) { |
| 184 | return kNVIDIA_GrGLVendor; |
| 185 | } |
bsalomon@google.com | 0b1e481 | 2012-10-23 13:52:43 +0000 | [diff] [blame] | 186 | } |
bsalomon@google.com | 0b1e481 | 2012-10-23 13:52:43 +0000 | [diff] [blame] | 187 | return kOther_GrGLVendor; |
| 188 | } |
| 189 | |
commit-bot@chromium.org | 0694ea7 | 2013-09-18 13:00:28 +0000 | [diff] [blame] | 190 | GrGLRenderer GrGLGetRendererFromString(const char* rendererString) { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame^] | 191 | if (rendererString) { |
commit-bot@chromium.org | 0694ea7 | 2013-09-18 13:00:28 +0000 | [diff] [blame] | 192 | if (0 == strcmp(rendererString, "NVIDIA Tegra 3")) { |
| 193 | return kTegra3_GrGLRenderer; |
commit-bot@chromium.org | 6dee875 | 2014-02-07 22:39:01 +0000 | [diff] [blame] | 194 | } else if (0 == strcmp(rendererString, "NVIDIA Tegra")) { |
| 195 | return kTegra2_GrGLRenderer; |
commit-bot@chromium.org | 0694ea7 | 2013-09-18 13:00:28 +0000 | [diff] [blame] | 196 | } |
| 197 | } |
| 198 | return kOther_GrGLRenderer; |
| 199 | } |
| 200 | |
bsalomon@google.com | 9c1f1ac | 2012-05-07 17:09:37 +0000 | [diff] [blame] | 201 | GrGLVersion GrGLGetVersion(const GrGLInterface* gl) { |
| 202 | const GrGLubyte* v; |
| 203 | GR_GL_CALL_RET(gl, v, GetString(GR_GL_VERSION)); |
| 204 | return GrGLGetVersionFromString((const char*) v); |
| 205 | } |
| 206 | |
| 207 | GrGLSLVersion GrGLGetGLSLVersion(const GrGLInterface* gl) { |
| 208 | const GrGLubyte* v; |
| 209 | GR_GL_CALL_RET(gl, v, GetString(GR_GL_SHADING_LANGUAGE_VERSION)); |
| 210 | return GrGLGetGLSLVersionFromString((const char*) v); |
| 211 | } |
bsalomon@google.com | 0b1e481 | 2012-10-23 13:52:43 +0000 | [diff] [blame] | 212 | |
| 213 | GrGLVendor GrGLGetVendor(const GrGLInterface* gl) { |
| 214 | const GrGLubyte* v; |
| 215 | GR_GL_CALL_RET(gl, v, GetString(GR_GL_VENDOR)); |
| 216 | return GrGLGetVendorFromString((const char*) v); |
| 217 | } |
commit-bot@chromium.org | 215a682 | 2013-09-05 18:28:42 +0000 | [diff] [blame] | 218 | |
commit-bot@chromium.org | 0694ea7 | 2013-09-18 13:00:28 +0000 | [diff] [blame] | 219 | GrGLRenderer GrGLGetRenderer(const GrGLInterface* gl) { |
| 220 | const GrGLubyte* v; |
| 221 | GR_GL_CALL_RET(gl, v, GetString(GR_GL_RENDERER)); |
| 222 | return GrGLGetRendererFromString((const char*) v); |
| 223 | } |
| 224 | |
commit-bot@chromium.org | 215a682 | 2013-09-05 18:28:42 +0000 | [diff] [blame] | 225 | template<> void GrGLGetMatrix<3>(GrGLfloat* dest, const SkMatrix& src) { |
| 226 | // Col 0 |
| 227 | dest[0] = SkScalarToFloat(src[SkMatrix::kMScaleX]); |
| 228 | dest[1] = SkScalarToFloat(src[SkMatrix::kMSkewY]); |
| 229 | dest[2] = SkScalarToFloat(src[SkMatrix::kMPersp0]); |
| 230 | |
| 231 | // Col 1 |
| 232 | dest[3] = SkScalarToFloat(src[SkMatrix::kMSkewX]); |
| 233 | dest[4] = SkScalarToFloat(src[SkMatrix::kMScaleY]); |
| 234 | dest[5] = SkScalarToFloat(src[SkMatrix::kMPersp1]); |
| 235 | |
| 236 | // Col 2 |
| 237 | dest[6] = SkScalarToFloat(src[SkMatrix::kMTransX]); |
| 238 | dest[7] = SkScalarToFloat(src[SkMatrix::kMTransY]); |
| 239 | dest[8] = SkScalarToFloat(src[SkMatrix::kMPersp2]); |
| 240 | } |
| 241 | |
| 242 | template<> void GrGLGetMatrix<4>(GrGLfloat* dest, const SkMatrix& src) { |
| 243 | // Col 0 |
| 244 | dest[0] = SkScalarToFloat(src[SkMatrix::kMScaleX]); |
| 245 | dest[1] = SkScalarToFloat(src[SkMatrix::kMSkewY]); |
| 246 | dest[2] = 0; |
| 247 | dest[3] = SkScalarToFloat(src[SkMatrix::kMPersp0]); |
| 248 | |
| 249 | // Col 1 |
| 250 | dest[4] = SkScalarToFloat(src[SkMatrix::kMSkewX]); |
| 251 | dest[5] = SkScalarToFloat(src[SkMatrix::kMScaleY]); |
| 252 | dest[6] = 0; |
| 253 | dest[7] = SkScalarToFloat(src[SkMatrix::kMPersp1]); |
| 254 | |
| 255 | // Col 2 |
| 256 | dest[8] = 0; |
| 257 | dest[9] = 0; |
| 258 | dest[10] = 1; |
| 259 | dest[11] = 0; |
| 260 | |
| 261 | // Col 3 |
| 262 | dest[12] = SkScalarToFloat(src[SkMatrix::kMTransX]); |
| 263 | dest[13] = SkScalarToFloat(src[SkMatrix::kMTransY]); |
| 264 | dest[14] = 0; |
| 265 | dest[15] = SkScalarToFloat(src[SkMatrix::kMPersp2]); |
| 266 | } |
kkinnunen | ccdaa04 | 2014-08-20 01:36:23 -0700 | [diff] [blame] | 267 | |
| 268 | GrGLenum GrToGLStencilFunc(GrStencilFunc basicFunc) { |
| 269 | static const GrGLenum gTable[] = { |
| 270 | GR_GL_ALWAYS, // kAlways_StencilFunc |
| 271 | GR_GL_NEVER, // kNever_StencilFunc |
| 272 | GR_GL_GREATER, // kGreater_StencilFunc |
| 273 | GR_GL_GEQUAL, // kGEqual_StencilFunc |
| 274 | GR_GL_LESS, // kLess_StencilFunc |
| 275 | GR_GL_LEQUAL, // kLEqual_StencilFunc, |
| 276 | GR_GL_EQUAL, // kEqual_StencilFunc, |
| 277 | GR_GL_NOTEQUAL, // kNotEqual_StencilFunc, |
| 278 | }; |
| 279 | GR_STATIC_ASSERT(SK_ARRAY_COUNT(gTable) == kBasicStencilFuncCount); |
| 280 | GR_STATIC_ASSERT(0 == kAlways_StencilFunc); |
| 281 | GR_STATIC_ASSERT(1 == kNever_StencilFunc); |
| 282 | GR_STATIC_ASSERT(2 == kGreater_StencilFunc); |
| 283 | GR_STATIC_ASSERT(3 == kGEqual_StencilFunc); |
| 284 | GR_STATIC_ASSERT(4 == kLess_StencilFunc); |
| 285 | GR_STATIC_ASSERT(5 == kLEqual_StencilFunc); |
| 286 | GR_STATIC_ASSERT(6 == kEqual_StencilFunc); |
| 287 | GR_STATIC_ASSERT(7 == kNotEqual_StencilFunc); |
| 288 | SkASSERT((unsigned) basicFunc < kBasicStencilFuncCount); |
| 289 | |
| 290 | return gTable[basicFunc]; |
| 291 | } |