| // 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_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_stub.h" |
| #include "ui/ozone/public/ozone_platform.h" |
| #include "ui/ozone/public/surface_factory_ozone.h" |
| |
| namespace gl { |
| namespace init { |
| |
| namespace { |
| |
| ui::SurfaceFactoryOzone* GetSurfaceFactory() { |
| return ui::OzonePlatform::GetInstance()->GetSurfaceFactoryOzone(); |
| } |
| |
| bool HasDefaultImplementation(GLImplementation impl) { |
| return impl == kGLImplementationOSMesaGL || impl == kGLImplementationMockGL; |
| } |
| |
| scoped_refptr<GLSurface> CreateDefaultViewGLSurface( |
| gfx::AcceleratedWidget window) { |
| switch (GetGLImplementation()) { |
| case kGLImplementationOSMesaGL: |
| return InitializeGLSurface(new GLSurfaceOSMesaHeadless()); |
| case kGLImplementationMockGL: |
| return InitializeGLSurface(new GLSurfaceStub()); |
| default: |
| NOTREACHED(); |
| } |
| return nullptr; |
| } |
| |
| scoped_refptr<GLSurface> CreateDefaultOffscreenGLSurface( |
| const gfx::Size& size) { |
| switch (GetGLImplementation()) { |
| case kGLImplementationOSMesaGL: |
| return InitializeGLSurface( |
| new GLSurfaceOSMesa(GLSurface::SURFACE_OSMESA_BGRA, size)); |
| case kGLImplementationMockGL: |
| return InitializeGLSurface(new GLSurfaceStub); |
| default: |
| NOTREACHED(); |
| } |
| return nullptr; |
| } |
| |
| } // namespace |
| |
| std::vector<GLImplementation> GetAllowedGLImplementations() { |
| std::vector<GLImplementation> impls; |
| impls.push_back(kGLImplementationEGLGLES2); |
| impls.push_back(kGLImplementationOSMesaGL); |
| return impls; |
| } |
| |
| bool GetGLWindowSystemBindingInfo(GLWindowSystemBindingInfo* info) { |
| switch (GetGLImplementation()) { |
| 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 kGLImplementationMockGL: |
| return scoped_refptr<GLContext>(new GLContextStub(share_group)); |
| case kGLImplementationOSMesaGL: |
| return InitializeGLContext(new GLContextOSMesa(share_group), |
| compatible_surface, gpu_preference); |
| case kGLImplementationEGLGLES2: |
| return InitializeGLContext(new GLContextEGL(share_group), |
| compatible_surface, gpu_preference); |
| default: |
| NOTREACHED(); |
| } |
| return nullptr; |
| } |
| |
| scoped_refptr<GLSurface> CreateViewGLSurface(gfx::AcceleratedWidget window) { |
| TRACE_EVENT0("gpu", "gl::init::CreateViewGLSurface"); |
| |
| if (HasDefaultImplementation(GetGLImplementation())) |
| return CreateDefaultViewGLSurface(window); |
| |
| return GetSurfaceFactory()->CreateViewGLSurface(GetGLImplementation(), |
| window); |
| } |
| |
| scoped_refptr<GLSurface> CreateSurfacelessViewGLSurface( |
| gfx::AcceleratedWidget window) { |
| TRACE_EVENT0("gpu", "gl::init::CreateSurfacelessViewGLSurface"); |
| |
| return GetSurfaceFactory()->CreateSurfacelessViewGLSurface( |
| GetGLImplementation(), window); |
| } |
| |
| scoped_refptr<GLSurface> CreateOffscreenGLSurface(const gfx::Size& size) { |
| TRACE_EVENT0("gpu", "gl::init::CreateOffscreenGLSurface"); |
| |
| if (HasDefaultImplementation(GetGLImplementation())) |
| return CreateDefaultOffscreenGLSurface(size); |
| |
| return GetSurfaceFactory()->CreateOffscreenGLSurface(GetGLImplementation(), |
| size); |
| } |
| |
| } // namespace init |
| } // namespace gl |