| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/gl/init/gl_factory.h" |
| |
| #include "base/logging.h" |
| #include "base/trace_event/trace_event.h" |
| #include "ui/gl/gl_context.h" |
| #include "ui/gl/gl_context_egl.h" |
| #include "ui/gl/gl_context_stub.h" |
| #include "ui/gl/gl_context_wgl.h" |
| #include "ui/gl/gl_egl_api_implementation.h" |
| #include "ui/gl/gl_implementation.h" |
| #include "ui/gl/gl_share_group.h" |
| #include "ui/gl/gl_surface.h" |
| #include "ui/gl/gl_surface_egl.h" |
| #include "ui/gl/gl_surface_stub.h" |
| #include "ui/gl/gl_surface_wgl.h" |
| #include "ui/gl/gl_wgl_api_implementation.h" |
| #include "ui/gl/vsync_provider_win.h" |
| |
| namespace gl { |
| namespace init { |
| |
| std::vector<GLImplementation> GetAllowedGLImplementations() { |
| std::vector<GLImplementation> impls; |
| impls.push_back(kGLImplementationEGLGLES2); |
| impls.push_back(kGLImplementationDesktopGL); |
| impls.push_back(kGLImplementationSwiftShaderGL); |
| return impls; |
| } |
| |
| bool GetGLWindowSystemBindingInfo(GLWindowSystemBindingInfo* info) { |
| switch (GetGLImplementation()) { |
| case kGLImplementationDesktopGL: |
| return GetGLWindowSystemBindingInfoWGL(info); |
| case kGLImplementationEGLGLES2: |
| return GetGLWindowSystemBindingInfoEGL(info); |
| default: |
| return false; |
| } |
| } |
| |
| scoped_refptr<GLContext> CreateGLContext(GLShareGroup* share_group, |
| GLSurface* compatible_surface, |
| const GLContextAttribs& attribs) { |
| TRACE_EVENT0("gpu", "gl::init::CreateGLContext"); |
| switch (GetGLImplementation()) { |
| case kGLImplementationSwiftShaderGL: |
| case kGLImplementationEGLGLES2: |
| return InitializeGLContext(new GLContextEGL(share_group), |
| compatible_surface, attribs); |
| case kGLImplementationDesktopGL: |
| return InitializeGLContext(new GLContextWGL(share_group), |
| compatible_surface, attribs); |
| case kGLImplementationMockGL: |
| return new GLContextStub(share_group); |
| case kGLImplementationStubGL: { |
| scoped_refptr<GLContextStub> stub_context = |
| new GLContextStub(share_group); |
| stub_context->SetUseStubApi(true); |
| return stub_context; |
| } |
| default: |
| NOTREACHED(); |
| return nullptr; |
| } |
| } |
| |
| scoped_refptr<GLSurface> CreateViewGLSurface(gfx::AcceleratedWidget window) { |
| TRACE_EVENT0("gpu", "gl::init::CreateViewGLSurface"); |
| switch (GetGLImplementation()) { |
| case kGLImplementationSwiftShaderGL: |
| case kGLImplementationEGLGLES2: { |
| DCHECK_NE(window, gfx::kNullAcceleratedWidget); |
| return InitializeGLSurface(base::MakeRefCounted<NativeViewGLSurfaceEGL>( |
| window, std::make_unique<VSyncProviderWin>(window))); |
| } |
| case kGLImplementationDesktopGL: |
| return InitializeGLSurface( |
| base::MakeRefCounted<NativeViewGLSurfaceWGL>(window)); |
| case kGLImplementationMockGL: |
| case kGLImplementationStubGL: |
| return new GLSurfaceStub; |
| default: |
| NOTREACHED(); |
| return nullptr; |
| } |
| } |
| |
| scoped_refptr<GLSurface> CreateOffscreenGLSurfaceWithFormat( |
| const gfx::Size& size, GLSurfaceFormat format) { |
| TRACE_EVENT0("gpu", "gl::init::CreateOffscreenGLSurface"); |
| switch (GetGLImplementation()) { |
| case kGLImplementationSwiftShaderGL: |
| case kGLImplementationEGLGLES2: |
| if (GLSurfaceEGL::IsEGLSurfacelessContextSupported() && |
| size.width() == 0 && size.height() == 0) { |
| return InitializeGLSurfaceWithFormat(new SurfacelessEGL(size), format); |
| } else { |
| return InitializeGLSurfaceWithFormat(new PbufferGLSurfaceEGL(size), |
| format); |
| } |
| case kGLImplementationDesktopGL: |
| return InitializeGLSurfaceWithFormat( |
| new PbufferGLSurfaceWGL(size), format); |
| case kGLImplementationMockGL: |
| case kGLImplementationStubGL: |
| return new GLSurfaceStub; |
| default: |
| NOTREACHED(); |
| return nullptr; |
| } |
| } |
| |
| void SetDisabledExtensionsPlatform(const std::string& disabled_extensions) { |
| GLImplementation implementation = GetGLImplementation(); |
| DCHECK_NE(kGLImplementationNone, implementation); |
| switch (implementation) { |
| case kGLImplementationDesktopGL: |
| SetDisabledExtensionsWGL(disabled_extensions); |
| break; |
| case kGLImplementationEGLGLES2: |
| SetDisabledExtensionsEGL(disabled_extensions); |
| break; |
| case kGLImplementationSwiftShaderGL: |
| case kGLImplementationMockGL: |
| case kGLImplementationStubGL: |
| break; |
| default: |
| NOTREACHED(); |
| } |
| } |
| |
| bool InitializeExtensionSettingsOneOffPlatform() { |
| GLImplementation implementation = GetGLImplementation(); |
| DCHECK_NE(kGLImplementationNone, implementation); |
| switch (implementation) { |
| case kGLImplementationDesktopGL: |
| return InitializeExtensionSettingsOneOffWGL(); |
| case kGLImplementationEGLGLES2: |
| return InitializeExtensionSettingsOneOffEGL(); |
| case kGLImplementationSwiftShaderGL: |
| case kGLImplementationMockGL: |
| case kGLImplementationStubGL: |
| return true; |
| default: |
| NOTREACHED(); |
| return false; |
| } |
| } |
| |
| } // namespace init |
| } // namespace gl |