| // 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_osmesa.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_osmesa.h" |
| #include "ui/gl/gl_surface_osmesa_win.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(kGLImplementationOSMesaGL); |
| 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, |
| GpuPreference gpu_preference) { |
| TRACE_EVENT0("gpu", "gl::init::CreateGLContext"); |
| switch (GetGLImplementation()) { |
| case kGLImplementationOSMesaGL: |
| return InitializeGLContext(new GLContextOSMesa(share_group), |
| compatible_surface, gpu_preference); |
| case kGLImplementationEGLGLES2: |
| return InitializeGLContext(new GLContextEGL(share_group), |
| compatible_surface, gpu_preference); |
| case kGLImplementationDesktopGL: |
| return InitializeGLContext(new GLContextWGL(share_group), |
| compatible_surface, gpu_preference); |
| case kGLImplementationMockGL: |
| return new GLContextStub(share_group); |
| default: |
| NOTREACHED(); |
| return nullptr; |
| } |
| } |
| |
| scoped_refptr<GLSurface> CreateViewGLSurface(gfx::AcceleratedWidget window) { |
| TRACE_EVENT0("gpu", "gl::init::CreateViewGLSurface"); |
| switch (GetGLImplementation()) { |
| case kGLImplementationOSMesaGL: |
| return InitializeGLSurface(new GLSurfaceOSMesaWin(window)); |
| case kGLImplementationEGLGLES2: { |
| DCHECK(window != gfx::kNullAcceleratedWidget); |
| scoped_refptr<NativeViewGLSurfaceEGL> surface( |
| new NativeViewGLSurfaceEGL(window)); |
| std::unique_ptr<gfx::VSyncProvider> sync_provider; |
| sync_provider.reset(new VSyncProviderWin(window)); |
| if (!surface->Initialize(std::move(sync_provider))) |
| return nullptr; |
| |
| return surface; |
| } |
| case kGLImplementationDesktopGL: |
| return InitializeGLSurface(new NativeViewGLSurfaceWGL(window)); |
| case kGLImplementationMockGL: |
| return new GLSurfaceStub; |
| default: |
| NOTREACHED(); |
| return nullptr; |
| } |
| } |
| |
| scoped_refptr<GLSurface> CreateOffscreenGLSurface(const gfx::Size& size) { |
| TRACE_EVENT0("gpu", "gl::init::CreateOffscreenGLSurface"); |
| switch (GetGLImplementation()) { |
| case kGLImplementationOSMesaGL: |
| return InitializeGLSurface( |
| new GLSurfaceOSMesa(GLSurface::SURFACE_OSMESA_RGBA, size)); |
| case kGLImplementationEGLGLES2: |
| return InitializeGLSurface(new PbufferGLSurfaceEGL(size)); |
| case kGLImplementationDesktopGL: |
| return InitializeGLSurface(new PbufferGLSurfaceWGL(size)); |
| case kGLImplementationMockGL: |
| return new GLSurfaceStub; |
| default: |
| NOTREACHED(); |
| return nullptr; |
| } |
| } |
| |
| } // namespace init |
| } // namespace gl |