22e6e21e7c
This is a reland of 0593a840b1
New functionality (which doesn't work everywhere) is behind a flag:
GR_EGL_TRY_GLES3_THEN_GLES2.
Original change's description:
> CreatePlatformGLTestContext_egl: Try GLES 3, then GLES 2.
>
> Also cleanup.
>
> Change-Id: I186a7d7f509bc7852241c083414495b6182b916c
> Reviewed-on: https://skia-review.googlesource.com/115922
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Hal Canary <halcanary@google.com>
Change-Id: I362079dee9c74f1a2c31d935bcb821201a413923
Reviewed-on: https://skia-review.googlesource.com/116143
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
385 lines
13 KiB
C++
385 lines
13 KiB
C++
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gl/GLTestContext.h"
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#define GL_GLEXT_PROTOTYPES
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#include <GLES2/gl2.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include "gl/GrGLDefines.h"
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#include "gl/GrGLUtil.h"
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namespace {
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// TODO: Share this class with ANGLE if/when it gets support for EGL_KHR_fence_sync.
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class EGLFenceSync : public sk_gpu_test::FenceSync {
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public:
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static std::unique_ptr<EGLFenceSync> MakeIfSupported(EGLDisplay);
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sk_gpu_test::PlatformFence SK_WARN_UNUSED_RESULT insertFence() const override;
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bool waitFence(sk_gpu_test::PlatformFence fence) const override;
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void deleteFence(sk_gpu_test::PlatformFence fence) const override;
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private:
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EGLFenceSync(EGLDisplay display);
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PFNEGLCREATESYNCKHRPROC fEGLCreateSyncKHR;
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PFNEGLCLIENTWAITSYNCKHRPROC fEGLClientWaitSyncKHR;
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PFNEGLDESTROYSYNCKHRPROC fEGLDestroySyncKHR;
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EGLDisplay fDisplay;
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typedef sk_gpu_test::FenceSync INHERITED;
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};
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std::function<void()> context_restorer() {
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auto display = eglGetCurrentDisplay();
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auto dsurface = eglGetCurrentSurface(EGL_DRAW);
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auto rsurface = eglGetCurrentSurface(EGL_READ);
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auto context = eglGetCurrentContext();
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return [display, dsurface, rsurface, context] {
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eglMakeCurrent(display, dsurface, rsurface, context);
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};
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}
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class EGLGLTestContext : public sk_gpu_test::GLTestContext {
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public:
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EGLGLTestContext(GrGLStandard forcedGpuAPI, EGLGLTestContext* shareContext);
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~EGLGLTestContext() override;
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GrEGLImage texture2DToEGLImage(GrGLuint texID) const override;
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void destroyEGLImage(GrEGLImage) const override;
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GrGLuint eglImageToExternalTexture(GrEGLImage) const override;
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std::unique_ptr<sk_gpu_test::GLTestContext> makeNew() const override;
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private:
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void destroyGLContext();
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void onPlatformMakeCurrent() const override;
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std::function<void()> onPlatformGetAutoContextRestore() const override;
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void onPlatformSwapBuffers() const override;
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GrGLFuncPtr onPlatformGetProcAddress(const char*) const override;
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EGLContext fContext;
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EGLDisplay fDisplay;
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EGLSurface fSurface;
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};
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static EGLContext create_gles_egl_context(EGLDisplay display,
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EGLConfig surfaceConfig,
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EGLContext eglShareContext,
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EGLint eglContextClientVersion) {
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const EGLint contextAttribsForOpenGLES[] = {
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EGL_CONTEXT_CLIENT_VERSION,
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eglContextClientVersion,
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EGL_NONE
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};
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return eglCreateContext(display, surfaceConfig, eglShareContext, contextAttribsForOpenGLES);
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}
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static EGLContext create_gl_egl_context(EGLDisplay display,
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EGLConfig surfaceConfig,
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EGLContext eglShareContext) {
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const EGLint contextAttribsForOpenGL[] = {
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EGL_NONE
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};
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return eglCreateContext(display, surfaceConfig, eglShareContext, contextAttribsForOpenGL);
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}
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EGLGLTestContext::EGLGLTestContext(GrGLStandard forcedGpuAPI, EGLGLTestContext* shareContext)
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: fContext(EGL_NO_CONTEXT)
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, fDisplay(EGL_NO_DISPLAY)
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, fSurface(EGL_NO_SURFACE) {
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EGLContext eglShareContext = shareContext ? shareContext->fContext : nullptr;
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static const GrGLStandard kStandards[] = {
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kGL_GrGLStandard,
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kGLES_GrGLStandard,
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};
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size_t apiLimit = SK_ARRAY_COUNT(kStandards);
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size_t api = 0;
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if (forcedGpuAPI == kGL_GrGLStandard) {
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apiLimit = 1;
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} else if (forcedGpuAPI == kGLES_GrGLStandard) {
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api = 1;
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}
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SkASSERT(forcedGpuAPI == kNone_GrGLStandard || kStandards[api] == forcedGpuAPI);
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sk_sp<const GrGLInterface> gl;
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for (; nullptr == gl.get() && api < apiLimit; ++api) {
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fDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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EGLint majorVersion;
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EGLint minorVersion;
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eglInitialize(fDisplay, &majorVersion, &minorVersion);
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#if 0
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SkDebugf("VENDOR: %s\n", eglQueryString(fDisplay, EGL_VENDOR));
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SkDebugf("APIS: %s\n", eglQueryString(fDisplay, EGL_CLIENT_APIS));
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SkDebugf("VERSION: %s\n", eglQueryString(fDisplay, EGL_VERSION));
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SkDebugf("EXTENSIONS %s\n", eglQueryString(fDisplay, EGL_EXTENSIONS));
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#endif
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bool gles = kGLES_GrGLStandard == kStandards[api];
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if (!eglBindAPI(gles ? EGL_OPENGL_ES_API : EGL_OPENGL_API)) {
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continue;
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}
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EGLint numConfigs = 0;
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const EGLint configAttribs[] = {
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EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
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EGL_RENDERABLE_TYPE, gles ? EGL_OPENGL_ES2_BIT : EGL_OPENGL_BIT,
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EGL_RED_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_BLUE_SIZE, 8,
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EGL_ALPHA_SIZE, 8,
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EGL_NONE
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};
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EGLConfig surfaceConfig;
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if (!eglChooseConfig(fDisplay, configAttribs, &surfaceConfig, 1, &numConfigs)) {
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SkDebugf("eglChooseConfig failed. EGL Error: 0x%08x\n", eglGetError());
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continue;
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}
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if (0 == numConfigs) {
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SkDebugf("No suitable EGL config found.\n");
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continue;
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}
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if (gles) {
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#ifdef GR_EGL_TRY_GLES3_THEN_GLES2
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// Some older devices (Nexus7/Tegra3) crash when you try this. So it is (for now)
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// hidden behind this flag.
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fContext = create_gles_egl_context(fDisplay, surfaceConfig, eglShareContext, 3);
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if (EGL_NO_CONTEXT == fContext) {
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fContext = create_gles_egl_context(fDisplay, surfaceConfig, eglShareContext, 2);
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}
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#else
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fContext = create_gles_egl_context(fDisplay, surfaceConfig, eglShareContext, 2);
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#endif
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} else {
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fContext = create_gl_egl_context(fDisplay, surfaceConfig, eglShareContext);
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}
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if (EGL_NO_CONTEXT == fContext) {
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SkDebugf("eglCreateContext failed. EGL Error: 0x%08x\n", eglGetError());
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continue;
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}
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static const EGLint kSurfaceAttribs[] = {
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EGL_WIDTH, 1,
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EGL_HEIGHT, 1,
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EGL_NONE
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};
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fSurface = eglCreatePbufferSurface(fDisplay, surfaceConfig, kSurfaceAttribs);
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if (EGL_NO_SURFACE == fSurface) {
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SkDebugf("eglCreatePbufferSurface failed. EGL Error: 0x%08x\n", eglGetError());
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this->destroyGLContext();
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continue;
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}
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SkScopeExit restorer(context_restorer());
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if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) {
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SkDebugf("eglMakeCurrent failed. EGL Error: 0x%08x\n", eglGetError());
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this->destroyGLContext();
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continue;
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}
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gl = GrGLMakeNativeInterface();
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if (!gl) {
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SkDebugf("Failed to create gl interface.\n");
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this->destroyGLContext();
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continue;
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}
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if (!gl->validate()) {
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SkDebugf("Failed to validate gl interface.\n");
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this->destroyGLContext();
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continue;
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}
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this->init(std::move(gl), EGLFenceSync::MakeIfSupported(fDisplay));
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break;
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}
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}
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EGLGLTestContext::~EGLGLTestContext() {
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this->teardown();
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this->destroyGLContext();
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}
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void EGLGLTestContext::destroyGLContext() {
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if (fDisplay) {
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if (fContext) {
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if (eglGetCurrentContext() == fContext) {
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// This will ensure that the context is immediately deleted.
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eglMakeCurrent(fDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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}
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eglDestroyContext(fDisplay, fContext);
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fContext = EGL_NO_CONTEXT;
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}
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if (fSurface) {
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eglDestroySurface(fDisplay, fSurface);
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fSurface = EGL_NO_SURFACE;
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}
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//TODO should we close the display?
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fDisplay = EGL_NO_DISPLAY;
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}
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}
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GrEGLImage EGLGLTestContext::texture2DToEGLImage(GrGLuint texID) const {
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if (!this->gl()->hasExtension("EGL_KHR_gl_texture_2D_image")) {
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return GR_EGL_NO_IMAGE;
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}
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GrEGLImage img;
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GrEGLint attribs[] = { GR_EGL_GL_TEXTURE_LEVEL, 0, GR_EGL_NONE };
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GrEGLClientBuffer clientBuffer = reinterpret_cast<GrEGLClientBuffer>(texID);
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GR_GL_CALL_RET(this->gl(), img,
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EGLCreateImage(fDisplay, fContext, GR_EGL_GL_TEXTURE_2D, clientBuffer, attribs));
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return img;
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}
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void EGLGLTestContext::destroyEGLImage(GrEGLImage image) const {
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GR_GL_CALL(this->gl(), EGLDestroyImage(fDisplay, image));
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}
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GrGLuint EGLGLTestContext::eglImageToExternalTexture(GrEGLImage image) const {
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GrGLClearErr(this->gl());
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if (!this->gl()->hasExtension("GL_OES_EGL_image_external")) {
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return 0;
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}
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typedef GrGLvoid (*EGLImageTargetTexture2DProc)(GrGLenum, GrGLeglImage);
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EGLImageTargetTexture2DProc glEGLImageTargetTexture2D =
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(EGLImageTargetTexture2DProc) eglGetProcAddress("glEGLImageTargetTexture2DOES");
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if (!glEGLImageTargetTexture2D) {
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return 0;
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}
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GrGLuint texID;
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GR_GL_CALL(this->gl(), GenTextures(1, &texID));
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if (!texID) {
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return 0;
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}
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GR_GL_CALL_NOERRCHECK(this->gl(), BindTexture(GR_GL_TEXTURE_EXTERNAL, texID));
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if (GR_GL_GET_ERROR(this->gl()) != GR_GL_NO_ERROR) {
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GR_GL_CALL(this->gl(), DeleteTextures(1, &texID));
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return 0;
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}
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glEGLImageTargetTexture2D(GR_GL_TEXTURE_EXTERNAL, image);
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if (GR_GL_GET_ERROR(this->gl()) != GR_GL_NO_ERROR) {
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GR_GL_CALL(this->gl(), DeleteTextures(1, &texID));
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return 0;
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}
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return texID;
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}
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std::unique_ptr<sk_gpu_test::GLTestContext> EGLGLTestContext::makeNew() const {
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std::unique_ptr<sk_gpu_test::GLTestContext> ctx(new EGLGLTestContext(this->gl()->fStandard,
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nullptr));
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if (ctx) {
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ctx->makeCurrent();
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}
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return ctx;
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}
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void EGLGLTestContext::onPlatformMakeCurrent() const {
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if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) {
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SkDebugf("Could not set the context.\n");
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}
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}
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std::function<void()> EGLGLTestContext::onPlatformGetAutoContextRestore() const {
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if (eglGetCurrentContext() == fContext) {
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return nullptr;
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}
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return context_restorer();
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}
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void EGLGLTestContext::onPlatformSwapBuffers() const {
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if (!eglSwapBuffers(fDisplay, fSurface)) {
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SkDebugf("Could not complete eglSwapBuffers.\n");
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}
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}
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GrGLFuncPtr EGLGLTestContext::onPlatformGetProcAddress(const char* procName) const {
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return eglGetProcAddress(procName);
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}
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static bool supports_egl_extension(EGLDisplay display, const char* extension) {
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size_t extensionLength = strlen(extension);
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const char* extensionsStr = eglQueryString(display, EGL_EXTENSIONS);
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while (const char* match = strstr(extensionsStr, extension)) {
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// Ensure the string we found is its own extension, not a substring of a larger extension
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// (e.g. GL_ARB_occlusion_query / GL_ARB_occlusion_query2).
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if ((match == extensionsStr || match[-1] == ' ') &&
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(match[extensionLength] == ' ' || match[extensionLength] == '\0')) {
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return true;
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}
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extensionsStr = match + extensionLength;
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}
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return false;
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}
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std::unique_ptr<EGLFenceSync> EGLFenceSync::MakeIfSupported(EGLDisplay display) {
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if (!display || !supports_egl_extension(display, "EGL_KHR_fence_sync")) {
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return nullptr;
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}
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return std::unique_ptr<EGLFenceSync>(new EGLFenceSync(display));
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}
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EGLFenceSync::EGLFenceSync(EGLDisplay display)
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: fDisplay(display) {
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fEGLCreateSyncKHR = (PFNEGLCREATESYNCKHRPROC) eglGetProcAddress("eglCreateSyncKHR");
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fEGLClientWaitSyncKHR = (PFNEGLCLIENTWAITSYNCKHRPROC) eglGetProcAddress("eglClientWaitSyncKHR");
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fEGLDestroySyncKHR = (PFNEGLDESTROYSYNCKHRPROC) eglGetProcAddress("eglDestroySyncKHR");
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SkASSERT(fEGLCreateSyncKHR && fEGLClientWaitSyncKHR && fEGLDestroySyncKHR);
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}
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sk_gpu_test::PlatformFence EGLFenceSync::insertFence() const {
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EGLSyncKHR eglsync = fEGLCreateSyncKHR(fDisplay, EGL_SYNC_FENCE_KHR, nullptr);
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return reinterpret_cast<sk_gpu_test::PlatformFence>(eglsync);
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}
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bool EGLFenceSync::waitFence(sk_gpu_test::PlatformFence platformFence) const {
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EGLSyncKHR eglsync = reinterpret_cast<EGLSyncKHR>(platformFence);
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return EGL_CONDITION_SATISFIED_KHR ==
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fEGLClientWaitSyncKHR(fDisplay,
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eglsync,
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EGL_SYNC_FLUSH_COMMANDS_BIT_KHR,
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EGL_FOREVER_KHR);
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}
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void EGLFenceSync::deleteFence(sk_gpu_test::PlatformFence platformFence) const {
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EGLSyncKHR eglsync = reinterpret_cast<EGLSyncKHR>(platformFence);
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fEGLDestroySyncKHR(fDisplay, eglsync);
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}
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GR_STATIC_ASSERT(sizeof(EGLSyncKHR) <= sizeof(sk_gpu_test::PlatformFence));
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} // anonymous namespace
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namespace sk_gpu_test {
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GLTestContext *CreatePlatformGLTestContext(GrGLStandard forcedGpuAPI,
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GLTestContext *shareContext) {
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EGLGLTestContext* eglShareContext = reinterpret_cast<EGLGLTestContext*>(shareContext);
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EGLGLTestContext *ctx = new EGLGLTestContext(forcedGpuAPI, eglShareContext);
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if (!ctx->isValid()) {
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delete ctx;
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return nullptr;
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}
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return ctx;
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}
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} // namespace sk_gpu_test
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