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Unified Diff: src/gpu/gl/egl/SkNativeGLContext_egl.cpp

Issue 599493003: Revert "Add support for EGL on linux" (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 3 months ago
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Index: src/gpu/gl/egl/SkNativeGLContext_egl.cpp
diff --git a/src/gpu/gl/egl/SkNativeGLContext_egl.cpp b/src/gpu/gl/egl/SkNativeGLContext_egl.cpp
deleted file mode 100644
index d4d7219b5bbbf7a3799e367d7102288cfa382abc..0000000000000000000000000000000000000000
--- a/src/gpu/gl/egl/SkNativeGLContext_egl.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "gl/SkNativeGLContext.h"
-
-SkNativeGLContext::AutoContextRestore::AutoContextRestore() {
- fOldEGLContext = eglGetCurrentContext();
- fOldDisplay = eglGetCurrentDisplay();
- fOldSurface = eglGetCurrentSurface(EGL_DRAW);
-
-}
-
-SkNativeGLContext::AutoContextRestore::~AutoContextRestore() {
- if (fOldDisplay) {
- eglMakeCurrent(fOldDisplay, fOldSurface, fOldSurface, fOldEGLContext);
- }
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-SkNativeGLContext::SkNativeGLContext()
- : fContext(EGL_NO_CONTEXT)
- , fDisplay(EGL_NO_DISPLAY)
- , fSurface(EGL_NO_SURFACE) {
-}
-
-SkNativeGLContext::~SkNativeGLContext() {
- this->destroyGLContext();
-}
-
-void SkNativeGLContext::destroyGLContext() {
- if (fDisplay) {
- eglMakeCurrent(fDisplay, 0, 0, 0);
-
- if (fContext) {
- eglDestroyContext(fDisplay, fContext);
- fContext = EGL_NO_CONTEXT;
- }
-
- if (fSurface) {
- eglDestroySurface(fDisplay, fSurface);
- fSurface = EGL_NO_SURFACE;
- }
-
- //TODO should we close the display?
- fDisplay = EGL_NO_DISPLAY;
- }
-}
-
-const GrGLInterface* SkNativeGLContext::createGLContext(GrGLStandard forcedGpuAPI) {
- static const EGLint kEGLContextAttribsForOpenGL[] = {
- EGL_NONE
- };
-
- static const EGLint kEGLContextAttribsForOpenGLES[] = {
- EGL_CONTEXT_CLIENT_VERSION, 2,
- EGL_NONE
- };
-
- static const struct {
- const EGLint* fContextAttribs;
- EGLenum fAPI;
- EGLint fRenderableTypeBit;
- GrGLStandard fStandard;
- } kAPIs[] = {
- { // OpenGL
- kEGLContextAttribsForOpenGL,
- EGL_OPENGL_API,
- EGL_OPENGL_BIT,
- kGL_GrGLStandard
- },
- { // OpenGL ES. This seems to work for both ES2 and 3 (when available).
- kEGLContextAttribsForOpenGLES,
- EGL_OPENGL_ES_API,
- EGL_OPENGL_ES2_BIT,
- kGLES_GrGLStandard
- },
- };
-
- size_t apiLimit = SK_ARRAY_COUNT(kAPIs);
- size_t api = 0;
- if (forcedGpuAPI == kGL_GrGLStandard) {
- apiLimit = 1;
- } else if (forcedGpuAPI == kGLES_GrGLStandard) {
- api = 1;
- }
- SkASSERT(forcedGpuAPI == kNone_GrGLStandard || kAPIs[api].fStandard == forcedGpuAPI);
-
- const GrGLInterface* interface = NULL;
-
- for (; NULL == interface && api < apiLimit; ++api) {
- fDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-
- EGLint majorVersion;
- EGLint minorVersion;
- eglInitialize(fDisplay, &majorVersion, &minorVersion);
-
-#if 0
- SkDebugf("VENDOR: %s\n", eglQueryString(fDisplay, EGL_VENDOR));
- SkDebugf("APIS: %s\n", eglQueryString(fDisplay, EGL_CLIENT_APIS));
- SkDebugf("VERSION: %s\n", eglQueryString(fDisplay, EGL_VERSION));
- SkDebugf("EXTENSIONS %s\n", eglQueryString(fDisplay, EGL_EXTENSIONS));
-#endif
-
- if (!eglBindAPI(kAPIs[api].fAPI)) {
- continue;
- }
-
- EGLint numConfigs;
- const EGLint configAttribs[] = {
- EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
- EGL_RENDERABLE_TYPE, kAPIs[api].fRenderableTypeBit,
- EGL_RED_SIZE, 8,
- EGL_GREEN_SIZE, 8,
- EGL_BLUE_SIZE, 8,
- EGL_ALPHA_SIZE, 8,
- EGL_NONE
- };
-
- EGLConfig surfaceConfig;
- if (!eglChooseConfig(fDisplay, configAttribs, &surfaceConfig, 1, &numConfigs)) {
- SkDebugf("eglChooseConfig failed. EGL Error: 0x%08x\n", eglGetError());
- continue;
- }
-
- fContext = eglCreateContext(fDisplay, surfaceConfig, NULL, kAPIs[api].fContextAttribs);
- if (EGL_NO_CONTEXT == fContext) {
- SkDebugf("eglCreateContext failed. EGL Error: 0x%08x\n", eglGetError());
- continue;
- }
-
- static const EGLint kSurfaceAttribs[] = {
- EGL_WIDTH, 1,
- EGL_HEIGHT, 1,
- EGL_NONE
- };
-
- fSurface = eglCreatePbufferSurface(fDisplay, surfaceConfig, kSurfaceAttribs);
- if (EGL_NO_SURFACE == fSurface) {
- SkDebugf("eglCreatePbufferSurface failed. EGL Error: 0x%08x\n", eglGetError());
- this->destroyGLContext();
- continue;
- }
-
- if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) {
- SkDebugf("eglMakeCurrent failed. EGL Error: 0x%08x\n", eglGetError());
- this->destroyGLContext();
- continue;
- }
-
- interface = GrGLCreateNativeInterface();
- if (NULL == interface) {
- SkDebugf("Failed to create gl interface.\n");
- this->destroyGLContext();
- continue;
- }
-
- if (!interface->validate()) {
- interface->unref();
- interface = NULL;
- this->destroyGLContext();
- }
- }
-
- return interface;
-}
-
-void SkNativeGLContext::makeCurrent() const {
- if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) {
- SkDebugf("Could not set the context.\n");
- }
-}
-
-void SkNativeGLContext::swapBuffers() const {
- if (!eglSwapBuffers(fDisplay, fSurface)) {
- SkDebugf("Could not complete eglSwapBuffers.\n");
- }
-}
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