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| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 #include "gl/GLContext.h" | 8 #include "gl/GLTestContext.h" |
| 9 | 9 |
| 10 #define GL_GLEXT_PROTOTYPES |
| 10 #include <GLES2/gl2.h> | 11 #include <GLES2/gl2.h> |
| 11 | 12 |
| 12 #define EGL_EGLEXT_PROTOTYPES | 13 #define EGL_EGLEXT_PROTOTYPES |
| 13 #include <EGL/egl.h> | 14 #include <EGL/egl.h> |
| 14 #include <EGL/eglext.h> | 15 #include <EGL/eglext.h> |
| 15 | 16 |
| 16 #include "gl/GrGLDefines.h" | 17 #include "gl/GrGLDefines.h" |
| 17 #include "gl/GrGLUtil.h" | 18 #include "gl/GrGLUtil.h" |
| 18 | 19 |
| 19 namespace { | 20 namespace { |
| 20 | 21 |
| 21 // TODO: Share this class with ANGLE if/when it gets support for EGL_KHR_fence_s
ync. | 22 // TODO: Share this class with ANGLE if/when it gets support for EGL_KHR_fence_s
ync. |
| 22 class SkEGLFenceSync : public SkGpuFenceSync { | 23 class EGLFenceSync : public SkGpuFenceSync { |
| 23 public: | 24 public: |
| 24 static SkEGLFenceSync* CreateIfSupported(EGLDisplay); | 25 static EGLFenceSync* CreateIfSupported(EGLDisplay); |
| 25 | 26 |
| 26 SkPlatformGpuFence SK_WARN_UNUSED_RESULT insertFence() const override; | 27 SkPlatformGpuFence SK_WARN_UNUSED_RESULT insertFence() const override; |
| 27 bool waitFence(SkPlatformGpuFence fence, bool flush) const override; | 28 bool waitFence(SkPlatformGpuFence fence, bool flush) const override; |
| 28 void deleteFence(SkPlatformGpuFence fence) const override; | 29 void deleteFence(SkPlatformGpuFence fence) const override; |
| 29 | 30 |
| 30 private: | 31 private: |
| 31 SkEGLFenceSync(EGLDisplay display) : fDisplay(display) {} | 32 EGLFenceSync(EGLDisplay display) : fDisplay(display) {} |
| 32 | 33 |
| 33 EGLDisplay fDisplay; | 34 EGLDisplay fDisplay; |
| 34 | 35 |
| 35 typedef SkGpuFenceSync INHERITED; | 36 typedef SkGpuFenceSync INHERITED; |
| 36 }; | 37 }; |
| 37 | 38 |
| 38 class EGLGLContext : public sk_gpu_test::GLContext { | 39 class EGLGLTestContext : public sk_gpu_test::GLTestContext { |
| 39 public: | 40 public: |
| 40 EGLGLContext(GrGLStandard forcedGpuAPI); | 41 EGLGLTestContext(GrGLStandard forcedGpuAPI); |
| 41 ~EGLGLContext() override; | 42 ~EGLGLTestContext() override; |
| 42 | 43 |
| 43 GrEGLImage texture2DToEGLImage(GrGLuint texID) const override; | 44 GrEGLImage texture2DToEGLImage(GrGLuint texID) const override; |
| 44 void destroyEGLImage(GrEGLImage) const override; | 45 void destroyEGLImage(GrEGLImage) const override; |
| 45 GrGLuint eglImageToExternalTexture(GrEGLImage) const override; | 46 GrGLuint eglImageToExternalTexture(GrEGLImage) const override; |
| 46 sk_gpu_test::GLContext* createNew() const override; | 47 sk_gpu_test::GLTestContext* createNew() const override; |
| 47 | 48 |
| 48 private: | 49 private: |
| 49 void destroyGLContext(); | 50 void destroyGLContext(); |
| 50 | 51 |
| 51 void onPlatformMakeCurrent() const override; | 52 void onPlatformMakeCurrent() const override; |
| 52 void onPlatformSwapBuffers() const override; | 53 void onPlatformSwapBuffers() const override; |
| 53 GrGLFuncPtr onPlatformGetProcAddress(const char*) const override; | 54 GrGLFuncPtr onPlatformGetProcAddress(const char*) const override; |
| 54 | 55 |
| 55 EGLContext fContext; | 56 EGLContext fContext; |
| 56 EGLDisplay fDisplay; | 57 EGLDisplay fDisplay; |
| 57 EGLSurface fSurface; | 58 EGLSurface fSurface; |
| 58 }; | 59 }; |
| 59 | 60 |
| 60 EGLGLContext::EGLGLContext(GrGLStandard forcedGpuAPI) | 61 EGLGLTestContext::EGLGLTestContext(GrGLStandard forcedGpuAPI) |
| 61 : fContext(EGL_NO_CONTEXT) | 62 : fContext(EGL_NO_CONTEXT) |
| 62 , fDisplay(EGL_NO_DISPLAY) | 63 , fDisplay(EGL_NO_DISPLAY) |
| 63 , fSurface(EGL_NO_SURFACE) { | 64 , fSurface(EGL_NO_SURFACE) { |
| 64 static const EGLint kEGLContextAttribsForOpenGL[] = { | 65 static const EGLint kEGLContextAttribsForOpenGL[] = { |
| 65 EGL_NONE | 66 EGL_NONE |
| 66 }; | 67 }; |
| 67 | 68 |
| 68 static const EGLint kEGLContextAttribsForOpenGLES[] = { | 69 static const EGLint kEGLContextAttribsForOpenGLES[] = { |
| 69 EGL_CONTEXT_CLIENT_VERSION, 2, | 70 EGL_CONTEXT_CLIENT_VERSION, 2, |
| 70 EGL_NONE | 71 EGL_NONE |
| (...skipping 101 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 172 this->destroyGLContext(); | 173 this->destroyGLContext(); |
| 173 continue; | 174 continue; |
| 174 } | 175 } |
| 175 | 176 |
| 176 if (!gl->validate()) { | 177 if (!gl->validate()) { |
| 177 SkDebugf("Failed to validate gl interface.\n"); | 178 SkDebugf("Failed to validate gl interface.\n"); |
| 178 this->destroyGLContext(); | 179 this->destroyGLContext(); |
| 179 continue; | 180 continue; |
| 180 } | 181 } |
| 181 | 182 |
| 182 this->init(gl.release(), SkEGLFenceSync::CreateIfSupported(fDisplay)); | 183 this->init(gl.release(), EGLFenceSync::CreateIfSupported(fDisplay)); |
| 183 break; | 184 break; |
| 184 } | 185 } |
| 185 } | 186 } |
| 186 | 187 |
| 187 EGLGLContext::~EGLGLContext() { | 188 EGLGLTestContext::~EGLGLTestContext() { |
| 188 this->teardown(); | 189 this->teardown(); |
| 189 this->destroyGLContext(); | 190 this->destroyGLContext(); |
| 190 } | 191 } |
| 191 | 192 |
| 192 void EGLGLContext::destroyGLContext() { | 193 void EGLGLTestContext::destroyGLContext() { |
| 193 if (fDisplay) { | 194 if (fDisplay) { |
| 194 eglMakeCurrent(fDisplay, 0, 0, 0); | 195 eglMakeCurrent(fDisplay, 0, 0, 0); |
| 195 | 196 |
| 196 if (fContext) { | 197 if (fContext) { |
| 197 eglDestroyContext(fDisplay, fContext); | 198 eglDestroyContext(fDisplay, fContext); |
| 198 fContext = EGL_NO_CONTEXT; | 199 fContext = EGL_NO_CONTEXT; |
| 199 } | 200 } |
| 200 | 201 |
| 201 if (fSurface) { | 202 if (fSurface) { |
| 202 eglDestroySurface(fDisplay, fSurface); | 203 eglDestroySurface(fDisplay, fSurface); |
| 203 fSurface = EGL_NO_SURFACE; | 204 fSurface = EGL_NO_SURFACE; |
| 204 } | 205 } |
| 205 | 206 |
| 206 //TODO should we close the display? | 207 //TODO should we close the display? |
| 207 fDisplay = EGL_NO_DISPLAY; | 208 fDisplay = EGL_NO_DISPLAY; |
| 208 } | 209 } |
| 209 } | 210 } |
| 210 | 211 |
| 211 GrEGLImage EGLGLContext::texture2DToEGLImage(GrGLuint texID) const { | 212 GrEGLImage EGLGLTestContext::texture2DToEGLImage(GrGLuint texID) const { |
| 212 if (!this->gl()->hasExtension("EGL_KHR_gl_texture_2D_image")) { | 213 if (!this->gl()->hasExtension("EGL_KHR_gl_texture_2D_image")) { |
| 213 return GR_EGL_NO_IMAGE; | 214 return GR_EGL_NO_IMAGE; |
| 214 } | 215 } |
| 215 GrEGLImage img; | 216 GrEGLImage img; |
| 216 GrEGLint attribs[] = { GR_EGL_GL_TEXTURE_LEVEL, 0, GR_EGL_NONE }; | 217 GrEGLint attribs[] = { GR_EGL_GL_TEXTURE_LEVEL, 0, GR_EGL_NONE }; |
| 217 GrEGLClientBuffer clientBuffer = reinterpret_cast<GrEGLClientBuffer>(texID); | 218 GrEGLClientBuffer clientBuffer = reinterpret_cast<GrEGLClientBuffer>(texID); |
| 218 GR_GL_CALL_RET(this->gl(), img, | 219 GR_GL_CALL_RET(this->gl(), img, |
| 219 EGLCreateImage(fDisplay, fContext, GR_EGL_GL_TEXTURE_2D, clie
ntBuffer, attribs)); | 220 EGLCreateImage(fDisplay, fContext, GR_EGL_GL_TEXTURE_2D, clie
ntBuffer, attribs)); |
| 220 return img; | 221 return img; |
| 221 } | 222 } |
| 222 | 223 |
| 223 void EGLGLContext::destroyEGLImage(GrEGLImage image) const { | 224 void EGLGLTestContext::destroyEGLImage(GrEGLImage image) const { |
| 224 GR_GL_CALL(this->gl(), EGLDestroyImage(fDisplay, image)); | 225 GR_GL_CALL(this->gl(), EGLDestroyImage(fDisplay, image)); |
| 225 } | 226 } |
| 226 | 227 |
| 227 GrGLuint EGLGLContext::eglImageToExternalTexture(GrEGLImage image) const { | 228 GrGLuint EGLGLTestContext::eglImageToExternalTexture(GrEGLImage image) const { |
| 228 GrGLClearErr(this->gl()); | 229 GrGLClearErr(this->gl()); |
| 229 if (!this->gl()->hasExtension("GL_OES_EGL_image_external")) { | 230 if (!this->gl()->hasExtension("GL_OES_EGL_image_external")) { |
| 230 return 0; | 231 return 0; |
| 231 } | 232 } |
| 232 typedef GrGLvoid (*EGLImageTargetTexture2DProc)(GrGLenum, GrGLeglImage); | 233 typedef GrGLvoid (*EGLImageTargetTexture2DProc)(GrGLenum, GrGLeglImage); |
| 233 | 234 |
| 234 EGLImageTargetTexture2DProc glEGLImageTargetTexture2D = | 235 EGLImageTargetTexture2DProc glEGLImageTargetTexture2D = |
| 235 (EGLImageTargetTexture2DProc) eglGetProcAddress("glEGLImageTargetTexture
2DOES"); | 236 (EGLImageTargetTexture2DProc) eglGetProcAddress("glEGLImageTargetTexture
2DOES"); |
| 236 if (!glEGLImageTargetTexture2D) { | 237 if (!glEGLImageTargetTexture2D) { |
| 237 return 0; | 238 return 0; |
| 238 } | 239 } |
| 239 GrGLuint texID; | 240 GrGLuint texID; |
| 240 glGenTextures(1, &texID); | 241 glGenTextures(1, &texID); |
| 241 if (!texID) { | 242 if (!texID) { |
| 242 return 0; | 243 return 0; |
| 243 } | 244 } |
| 244 glBindTexture(GR_GL_TEXTURE_EXTERNAL, texID); | 245 glBindTexture(GR_GL_TEXTURE_EXTERNAL, texID); |
| 245 if (glGetError() != GR_GL_NO_ERROR) { | 246 if (glGetError() != GR_GL_NO_ERROR) { |
| 246 glDeleteTextures(1, &texID); | 247 glDeleteTextures(1, &texID); |
| 247 return 0; | 248 return 0; |
| 248 } | 249 } |
| 249 glEGLImageTargetTexture2D(GR_GL_TEXTURE_EXTERNAL, image); | 250 glEGLImageTargetTexture2D(GR_GL_TEXTURE_EXTERNAL, image); |
| 250 if (glGetError() != GR_GL_NO_ERROR) { | 251 if (glGetError() != GR_GL_NO_ERROR) { |
| 251 glDeleteTextures(1, &texID); | 252 glDeleteTextures(1, &texID); |
| 252 return 0; | 253 return 0; |
| 253 } | 254 } |
| 254 return texID; | 255 return texID; |
| 255 } | 256 } |
| 256 | 257 |
| 257 sk_gpu_test::GLContext* EGLGLContext::createNew() const { | 258 sk_gpu_test::GLTestContext* EGLGLTestContext::createNew() const { |
| 258 sk_gpu_test::GLContext* ctx = new EGLGLContext(this->gl()->fStandard); | 259 sk_gpu_test::GLTestContext* ctx = new EGLGLTestContext(this->gl()->fStandard
); |
| 259 if (ctx) { | 260 if (ctx) { |
| 260 ctx->makeCurrent(); | 261 ctx->makeCurrent(); |
| 261 } | 262 } |
| 262 return ctx; | 263 return ctx; |
| 263 } | 264 } |
| 264 | 265 |
| 265 void EGLGLContext::onPlatformMakeCurrent() const { | 266 void EGLGLTestContext::onPlatformMakeCurrent() const { |
| 266 if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) { | 267 if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) { |
| 267 SkDebugf("Could not set the context.\n"); | 268 SkDebugf("Could not set the context.\n"); |
| 268 } | 269 } |
| 269 } | 270 } |
| 270 | 271 |
| 271 void EGLGLContext::onPlatformSwapBuffers() const { | 272 void EGLGLTestContext::onPlatformSwapBuffers() const { |
| 272 if (!eglSwapBuffers(fDisplay, fSurface)) { | 273 if (!eglSwapBuffers(fDisplay, fSurface)) { |
| 273 SkDebugf("Could not complete eglSwapBuffers.\n"); | 274 SkDebugf("Could not complete eglSwapBuffers.\n"); |
| 274 } | 275 } |
| 275 } | 276 } |
| 276 | 277 |
| 277 GrGLFuncPtr EGLGLContext::onPlatformGetProcAddress(const char* procName) const { | 278 GrGLFuncPtr EGLGLTestContext::onPlatformGetProcAddress(const char* procName) con
st { |
| 278 return eglGetProcAddress(procName); | 279 return eglGetProcAddress(procName); |
| 279 } | 280 } |
| 280 | 281 |
| 281 static bool supports_egl_extension(EGLDisplay display, const char* extension) { | 282 static bool supports_egl_extension(EGLDisplay display, const char* extension) { |
| 282 size_t extensionLength = strlen(extension); | 283 size_t extensionLength = strlen(extension); |
| 283 const char* extensionsStr = eglQueryString(display, EGL_EXTENSIONS); | 284 const char* extensionsStr = eglQueryString(display, EGL_EXTENSIONS); |
| 284 while (const char* match = strstr(extensionsStr, extension)) { | 285 while (const char* match = strstr(extensionsStr, extension)) { |
| 285 // Ensure the string we found is its own extension, not a substring of a
larger extension | 286 // Ensure the string we found is its own extension, not a substring of a
larger extension |
| 286 // (e.g. GL_ARB_occlusion_query / GL_ARB_occlusion_query2). | 287 // (e.g. GL_ARB_occlusion_query / GL_ARB_occlusion_query2). |
| 287 if ((match == extensionsStr || match[-1] == ' ') && | 288 if ((match == extensionsStr || match[-1] == ' ') && |
| 288 (match[extensionLength] == ' ' || match[extensionLength] == '\0')) { | 289 (match[extensionLength] == ' ' || match[extensionLength] == '\0')) { |
| 289 return true; | 290 return true; |
| 290 } | 291 } |
| 291 extensionsStr = match + extensionLength; | 292 extensionsStr = match + extensionLength; |
| 292 } | 293 } |
| 293 return false; | 294 return false; |
| 294 } | 295 } |
| 295 | 296 |
| 296 SkEGLFenceSync* SkEGLFenceSync::CreateIfSupported(EGLDisplay display) { | 297 EGLFenceSync* EGLFenceSync::CreateIfSupported(EGLDisplay display) { |
| 297 if (!display || !supports_egl_extension(display, "EGL_KHR_fence_sync")) { | 298 if (!display || !supports_egl_extension(display, "EGL_KHR_fence_sync")) { |
| 298 return nullptr; | 299 return nullptr; |
| 299 } | 300 } |
| 300 return new SkEGLFenceSync(display); | 301 return new EGLFenceSync(display); |
| 301 } | 302 } |
| 302 | 303 |
| 303 SkPlatformGpuFence SkEGLFenceSync::insertFence() const { | 304 SkPlatformGpuFence EGLFenceSync::insertFence() const { |
| 304 return eglCreateSyncKHR(fDisplay, EGL_SYNC_FENCE_KHR, nullptr); | 305 return eglCreateSyncKHR(fDisplay, EGL_SYNC_FENCE_KHR, nullptr); |
| 305 } | 306 } |
| 306 | 307 |
| 307 bool SkEGLFenceSync::waitFence(SkPlatformGpuFence platformFence, bool flush) con
st { | 308 bool EGLFenceSync::waitFence(SkPlatformGpuFence platformFence, bool flush) const
{ |
| 308 EGLSyncKHR eglsync = static_cast<EGLSyncKHR>(platformFence); | 309 EGLSyncKHR eglsync = static_cast<EGLSyncKHR>(platformFence); |
| 309 return EGL_CONDITION_SATISFIED_KHR == | 310 return EGL_CONDITION_SATISFIED_KHR == |
| 310 eglClientWaitSyncKHR(fDisplay, | 311 eglClientWaitSyncKHR(fDisplay, |
| 311 eglsync, | 312 eglsync, |
| 312 flush ? EGL_SYNC_FLUSH_COMMANDS_BIT_KHR : 0, | 313 flush ? EGL_SYNC_FLUSH_COMMANDS_BIT_KHR : 0, |
| 313 EGL_FOREVER_KHR); | 314 EGL_FOREVER_KHR); |
| 314 } | 315 } |
| 315 | 316 |
| 316 void SkEGLFenceSync::deleteFence(SkPlatformGpuFence platformFence) const { | 317 void EGLFenceSync::deleteFence(SkPlatformGpuFence platformFence) const { |
| 317 EGLSyncKHR eglsync = static_cast<EGLSyncKHR>(platformFence); | 318 EGLSyncKHR eglsync = static_cast<EGLSyncKHR>(platformFence); |
| 318 eglDestroySyncKHR(fDisplay, eglsync); | 319 eglDestroySyncKHR(fDisplay, eglsync); |
| 319 } | 320 } |
| 320 | 321 |
| 321 } // anonymous namespace | 322 } // anonymous namespace |
| 322 | 323 |
| 323 namespace sk_gpu_test { | 324 namespace sk_gpu_test { |
| 324 GLContext *CreatePlatformGLContext(GrGLStandard forcedGpuAPI, GLContext *shareCo
ntext) { | 325 GLTestContext *CreatePlatformGLTestContext(GrGLStandard forcedGpuAPI, |
| 326 GLTestContext *shareContext) { |
| 325 SkASSERT(!shareContext); | 327 SkASSERT(!shareContext); |
| 326 if (shareContext) { | 328 if (shareContext) { |
| 327 return nullptr; | 329 return nullptr; |
| 328 } | 330 } |
| 329 EGLGLContext *ctx = new EGLGLContext(forcedGpuAPI); | 331 EGLGLTestContext *ctx = new EGLGLTestContext(forcedGpuAPI); |
| 330 if (!ctx->isValid()) { | 332 if (!ctx->isValid()) { |
| 331 delete ctx; | 333 delete ctx; |
| 332 return nullptr; | 334 return nullptr; |
| 333 } | 335 } |
| 334 return ctx; | 336 return ctx; |
| 335 } | 337 } |
| 336 } // namespace sk_gpu_test | 338 } // namespace sk_gpu_test |
| 337 | 339 |
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