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| 1 | |
| 2 /* | |
| 3 * Copyright 2011 Google Inc. | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 #include "gl/GLTestContext.h" | |
| 9 | |
| 10 #define GL_GLEXT_PROTOTYPES | |
| 11 #include <GLES2/gl2.h> | |
| 12 | |
| 13 #define EGL_EGLEXT_PROTOTYPES | |
| 14 #include <EGL/egl.h> | |
| 15 #include <EGL/eglext.h> | |
| 16 | |
| 17 #include "gl/GrGLDefines.h" | |
| 18 #include "gl/GrGLUtil.h" | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 // TODO: Share this class with ANGLE if/when it gets support for EGL_KHR_fence_s
ync. | |
| 23 class EGLFenceSync : public SkGpuFenceSync { | |
| 24 public: | |
| 25 static EGLFenceSync* CreateIfSupported(EGLDisplay); | |
| 26 | |
| 27 SkPlatformGpuFence SK_WARN_UNUSED_RESULT insertFence() const override; | |
| 28 bool waitFence(SkPlatformGpuFence fence, bool flush) const override; | |
| 29 void deleteFence(SkPlatformGpuFence fence) const override; | |
| 30 | |
| 31 private: | |
| 32 EGLFenceSync(EGLDisplay display) : fDisplay(display) {} | |
| 33 | |
| 34 EGLDisplay fDisplay; | |
| 35 | |
| 36 typedef SkGpuFenceSync INHERITED; | |
| 37 }; | |
| 38 | |
| 39 class EGLGLTestContext : public sk_gpu_test::GLTestContext { | |
| 40 public: | |
| 41 EGLGLTestContext(GrGLStandard forcedGpuAPI); | |
| 42 ~EGLGLTestContext() override; | |
| 43 | |
| 44 GrEGLImage texture2DToEGLImage(GrGLuint texID) const override; | |
| 45 void destroyEGLImage(GrEGLImage) const override; | |
| 46 GrGLuint eglImageToExternalTexture(GrEGLImage) const override; | |
| 47 sk_gpu_test::GLTestContext* createNew() const override; | |
| 48 | |
| 49 private: | |
| 50 void destroyGLContext(); | |
| 51 | |
| 52 void onPlatformMakeCurrent() const override; | |
| 53 void onPlatformSwapBuffers() const override; | |
| 54 GrGLFuncPtr onPlatformGetProcAddress(const char*) const override; | |
| 55 | |
| 56 EGLContext fContext; | |
| 57 EGLDisplay fDisplay; | |
| 58 EGLSurface fSurface; | |
| 59 }; | |
| 60 | |
| 61 EGLGLTestContext::EGLGLTestContext(GrGLStandard forcedGpuAPI) | |
| 62 : fContext(EGL_NO_CONTEXT) | |
| 63 , fDisplay(EGL_NO_DISPLAY) | |
| 64 , fSurface(EGL_NO_SURFACE) { | |
| 65 static const EGLint kEGLContextAttribsForOpenGL[] = { | |
| 66 EGL_NONE | |
| 67 }; | |
| 68 | |
| 69 static const EGLint kEGLContextAttribsForOpenGLES[] = { | |
| 70 EGL_CONTEXT_CLIENT_VERSION, 2, | |
| 71 EGL_NONE | |
| 72 }; | |
| 73 | |
| 74 static const struct { | |
| 75 const EGLint* fContextAttribs; | |
| 76 EGLenum fAPI; | |
| 77 EGLint fRenderableTypeBit; | |
| 78 GrGLStandard fStandard; | |
| 79 } kAPIs[] = { | |
| 80 { // OpenGL | |
| 81 kEGLContextAttribsForOpenGL, | |
| 82 EGL_OPENGL_API, | |
| 83 EGL_OPENGL_BIT, | |
| 84 kGL_GrGLStandard | |
| 85 }, | |
| 86 { // OpenGL ES. This seems to work for both ES2 and 3 (when available)
. | |
| 87 kEGLContextAttribsForOpenGLES, | |
| 88 EGL_OPENGL_ES_API, | |
| 89 EGL_OPENGL_ES2_BIT, | |
| 90 kGLES_GrGLStandard | |
| 91 }, | |
| 92 }; | |
| 93 | |
| 94 size_t apiLimit = SK_ARRAY_COUNT(kAPIs); | |
| 95 size_t api = 0; | |
| 96 if (forcedGpuAPI == kGL_GrGLStandard) { | |
| 97 apiLimit = 1; | |
| 98 } else if (forcedGpuAPI == kGLES_GrGLStandard) { | |
| 99 api = 1; | |
| 100 } | |
| 101 SkASSERT(forcedGpuAPI == kNone_GrGLStandard || kAPIs[api].fStandard == force
dGpuAPI); | |
| 102 | |
| 103 SkAutoTUnref<const GrGLInterface> gl; | |
| 104 | |
| 105 for (; nullptr == gl.get() && api < apiLimit; ++api) { | |
| 106 fDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY); | |
| 107 | |
| 108 EGLint majorVersion; | |
| 109 EGLint minorVersion; | |
| 110 eglInitialize(fDisplay, &majorVersion, &minorVersion); | |
| 111 | |
| 112 #if 0 | |
| 113 SkDebugf("VENDOR: %s\n", eglQueryString(fDisplay, EGL_VENDOR)); | |
| 114 SkDebugf("APIS: %s\n", eglQueryString(fDisplay, EGL_CLIENT_APIS)); | |
| 115 SkDebugf("VERSION: %s\n", eglQueryString(fDisplay, EGL_VERSION)); | |
| 116 SkDebugf("EXTENSIONS %s\n", eglQueryString(fDisplay, EGL_EXTENSIONS)); | |
| 117 #endif | |
| 118 | |
| 119 if (!eglBindAPI(kAPIs[api].fAPI)) { | |
| 120 continue; | |
| 121 } | |
| 122 | |
| 123 EGLint numConfigs = 0; | |
| 124 const EGLint configAttribs[] = { | |
| 125 EGL_SURFACE_TYPE, EGL_PBUFFER_BIT, | |
| 126 EGL_RENDERABLE_TYPE, kAPIs[api].fRenderableTypeBit, | |
| 127 EGL_RED_SIZE, 8, | |
| 128 EGL_GREEN_SIZE, 8, | |
| 129 EGL_BLUE_SIZE, 8, | |
| 130 EGL_ALPHA_SIZE, 8, | |
| 131 EGL_NONE | |
| 132 }; | |
| 133 | |
| 134 EGLConfig surfaceConfig; | |
| 135 if (!eglChooseConfig(fDisplay, configAttribs, &surfaceConfig, 1, &numCon
figs)) { | |
| 136 SkDebugf("eglChooseConfig failed. EGL Error: 0x%08x\n", eglGetError(
)); | |
| 137 continue; | |
| 138 } | |
| 139 | |
| 140 if (0 == numConfigs) { | |
| 141 SkDebugf("No suitable EGL config found.\n"); | |
| 142 continue; | |
| 143 } | |
| 144 | |
| 145 fContext = eglCreateContext(fDisplay, surfaceConfig, nullptr, kAPIs[api]
.fContextAttribs); | |
| 146 if (EGL_NO_CONTEXT == fContext) { | |
| 147 SkDebugf("eglCreateContext failed. EGL Error: 0x%08x\n", eglGetErro
r()); | |
| 148 continue; | |
| 149 } | |
| 150 | |
| 151 static const EGLint kSurfaceAttribs[] = { | |
| 152 EGL_WIDTH, 1, | |
| 153 EGL_HEIGHT, 1, | |
| 154 EGL_NONE | |
| 155 }; | |
| 156 | |
| 157 fSurface = eglCreatePbufferSurface(fDisplay, surfaceConfig, kSurfaceAttr
ibs); | |
| 158 if (EGL_NO_SURFACE == fSurface) { | |
| 159 SkDebugf("eglCreatePbufferSurface failed. EGL Error: 0x%08x\n", eglG
etError()); | |
| 160 this->destroyGLContext(); | |
| 161 continue; | |
| 162 } | |
| 163 | |
| 164 if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) { | |
| 165 SkDebugf("eglMakeCurrent failed. EGL Error: 0x%08x\n", eglGetError(
)); | |
| 166 this->destroyGLContext(); | |
| 167 continue; | |
| 168 } | |
| 169 | |
| 170 gl.reset(GrGLCreateNativeInterface()); | |
| 171 if (nullptr == gl.get()) { | |
| 172 SkDebugf("Failed to create gl interface.\n"); | |
| 173 this->destroyGLContext(); | |
| 174 continue; | |
| 175 } | |
| 176 | |
| 177 if (!gl->validate()) { | |
| 178 SkDebugf("Failed to validate gl interface.\n"); | |
| 179 this->destroyGLContext(); | |
| 180 continue; | |
| 181 } | |
| 182 | |
| 183 this->init(gl.release(), EGLFenceSync::CreateIfSupported(fDisplay)); | |
| 184 break; | |
| 185 } | |
| 186 } | |
| 187 | |
| 188 EGLGLTestContext::~EGLGLTestContext() { | |
| 189 this->teardown(); | |
| 190 this->destroyGLContext(); | |
| 191 } | |
| 192 | |
| 193 void EGLGLTestContext::destroyGLContext() { | |
| 194 if (fDisplay) { | |
| 195 eglMakeCurrent(fDisplay, 0, 0, 0); | |
| 196 | |
| 197 if (fContext) { | |
| 198 eglDestroyContext(fDisplay, fContext); | |
| 199 fContext = EGL_NO_CONTEXT; | |
| 200 } | |
| 201 | |
| 202 if (fSurface) { | |
| 203 eglDestroySurface(fDisplay, fSurface); | |
| 204 fSurface = EGL_NO_SURFACE; | |
| 205 } | |
| 206 | |
| 207 //TODO should we close the display? | |
| 208 fDisplay = EGL_NO_DISPLAY; | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 GrEGLImage EGLGLTestContext::texture2DToEGLImage(GrGLuint texID) const { | |
| 213 if (!this->gl()->hasExtension("EGL_KHR_gl_texture_2D_image")) { | |
| 214 return GR_EGL_NO_IMAGE; | |
| 215 } | |
| 216 GrEGLImage img; | |
| 217 GrEGLint attribs[] = { GR_EGL_GL_TEXTURE_LEVEL, 0, GR_EGL_NONE }; | |
| 218 GrEGLClientBuffer clientBuffer = reinterpret_cast<GrEGLClientBuffer>(texID); | |
| 219 GR_GL_CALL_RET(this->gl(), img, | |
| 220 EGLCreateImage(fDisplay, fContext, GR_EGL_GL_TEXTURE_2D, clie
ntBuffer, attribs)); | |
| 221 return img; | |
| 222 } | |
| 223 | |
| 224 void EGLGLTestContext::destroyEGLImage(GrEGLImage image) const { | |
| 225 GR_GL_CALL(this->gl(), EGLDestroyImage(fDisplay, image)); | |
| 226 } | |
| 227 | |
| 228 GrGLuint EGLGLTestContext::eglImageToExternalTexture(GrEGLImage image) const { | |
| 229 GrGLClearErr(this->gl()); | |
| 230 if (!this->gl()->hasExtension("GL_OES_EGL_image_external")) { | |
| 231 return 0; | |
| 232 } | |
| 233 typedef GrGLvoid (*EGLImageTargetTexture2DProc)(GrGLenum, GrGLeglImage); | |
| 234 | |
| 235 EGLImageTargetTexture2DProc glEGLImageTargetTexture2D = | |
| 236 (EGLImageTargetTexture2DProc) eglGetProcAddress("glEGLImageTargetTexture
2DOES"); | |
| 237 if (!glEGLImageTargetTexture2D) { | |
| 238 return 0; | |
| 239 } | |
| 240 GrGLuint texID; | |
| 241 glGenTextures(1, &texID); | |
| 242 if (!texID) { | |
| 243 return 0; | |
| 244 } | |
| 245 glBindTexture(GR_GL_TEXTURE_EXTERNAL, texID); | |
| 246 if (glGetError() != GR_GL_NO_ERROR) { | |
| 247 glDeleteTextures(1, &texID); | |
| 248 return 0; | |
| 249 } | |
| 250 glEGLImageTargetTexture2D(GR_GL_TEXTURE_EXTERNAL, image); | |
| 251 if (glGetError() != GR_GL_NO_ERROR) { | |
| 252 glDeleteTextures(1, &texID); | |
| 253 return 0; | |
| 254 } | |
| 255 return texID; | |
| 256 } | |
| 257 | |
| 258 sk_gpu_test::GLTestContext* EGLGLTestContext::createNew() const { | |
| 259 sk_gpu_test::GLTestContext* ctx = new EGLGLTestContext(this->gl()->fStandard
); | |
| 260 if (ctx) { | |
| 261 ctx->makeCurrent(); | |
| 262 } | |
| 263 return ctx; | |
| 264 } | |
| 265 | |
| 266 void EGLGLTestContext::onPlatformMakeCurrent() const { | |
| 267 if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) { | |
| 268 SkDebugf("Could not set the context.\n"); | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 void EGLGLTestContext::onPlatformSwapBuffers() const { | |
| 273 if (!eglSwapBuffers(fDisplay, fSurface)) { | |
| 274 SkDebugf("Could not complete eglSwapBuffers.\n"); | |
| 275 } | |
| 276 } | |
| 277 | |
| 278 GrGLFuncPtr EGLGLTestContext::onPlatformGetProcAddress(const char* procName) con
st { | |
| 279 return eglGetProcAddress(procName); | |
| 280 } | |
| 281 | |
| 282 static bool supports_egl_extension(EGLDisplay display, const char* extension) { | |
| 283 size_t extensionLength = strlen(extension); | |
| 284 const char* extensionsStr = eglQueryString(display, EGL_EXTENSIONS); | |
| 285 while (const char* match = strstr(extensionsStr, extension)) { | |
| 286 // Ensure the string we found is its own extension, not a substring of a
larger extension | |
| 287 // (e.g. GL_ARB_occlusion_query / GL_ARB_occlusion_query2). | |
| 288 if ((match == extensionsStr || match[-1] == ' ') && | |
| 289 (match[extensionLength] == ' ' || match[extensionLength] == '\0')) { | |
| 290 return true; | |
| 291 } | |
| 292 extensionsStr = match + extensionLength; | |
| 293 } | |
| 294 return false; | |
| 295 } | |
| 296 | |
| 297 EGLFenceSync* EGLFenceSync::CreateIfSupported(EGLDisplay display) { | |
| 298 if (!display || !supports_egl_extension(display, "EGL_KHR_fence_sync")) { | |
| 299 return nullptr; | |
| 300 } | |
| 301 return new EGLFenceSync(display); | |
| 302 } | |
| 303 | |
| 304 SkPlatformGpuFence EGLFenceSync::insertFence() const { | |
| 305 return eglCreateSyncKHR(fDisplay, EGL_SYNC_FENCE_KHR, nullptr); | |
| 306 } | |
| 307 | |
| 308 bool EGLFenceSync::waitFence(SkPlatformGpuFence platformFence, bool flush) const
{ | |
| 309 EGLSyncKHR eglsync = static_cast<EGLSyncKHR>(platformFence); | |
| 310 return EGL_CONDITION_SATISFIED_KHR == | |
| 311 eglClientWaitSyncKHR(fDisplay, | |
| 312 eglsync, | |
| 313 flush ? EGL_SYNC_FLUSH_COMMANDS_BIT_KHR : 0, | |
| 314 EGL_FOREVER_KHR); | |
| 315 } | |
| 316 | |
| 317 void EGLFenceSync::deleteFence(SkPlatformGpuFence platformFence) const { | |
| 318 EGLSyncKHR eglsync = static_cast<EGLSyncKHR>(platformFence); | |
| 319 eglDestroySyncKHR(fDisplay, eglsync); | |
| 320 } | |
| 321 | |
| 322 } // anonymous namespace | |
| 323 | |
| 324 namespace sk_gpu_test { | |
| 325 GLTestContext *CreatePlatformGLTestContext(GrGLStandard forcedGpuAPI, | |
| 326 GLTestContext *shareContext) { | |
| 327 SkASSERT(!shareContext); | |
| 328 if (shareContext) { | |
| 329 return nullptr; | |
| 330 } | |
| 331 EGLGLTestContext *ctx = new EGLGLTestContext(forcedGpuAPI); | |
| 332 if (!ctx->isValid()) { | |
| 333 delete ctx; | |
| 334 return nullptr; | |
| 335 } | |
| 336 return ctx; | |
| 337 } | |
| 338 } // namespace sk_gpu_test | |
| 339 | |
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Chromium Code Reviews
Issue 1850543003:
Revert of rename sk_gpu_test::GLContext to sk_gpu_test::GLTestContext (Closed)
Base URL: https://chromium.googlesource.com/skia.git@move