This source file includes following definitions.
- MarshalClearDepthToClearDepthf
- MarshalDepthRangeToDepthRangef
- GetAllowedGLImplementations
- InitializeStaticGLBindings
- InitializeDynamicGLBindings
- InitializeDebugGLBindings
- ClearGLBindings
- GetGLWindowSystemBindingInfo
#include "base/bind.h"
#include "ui/gfx/ozone/surface_factory_ozone.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_context_stub_with_extensions.h"
#include "ui/gl/gl_egl_api_implementation.h"
#include "ui/gl/gl_gl_api_implementation.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_implementation_osmesa.h"
#include "ui/gl/gl_osmesa_api_implementation.h"
#include "ui/ozone/ozone_platform.h"
namespace gfx {
namespace {
void GL_BINDING_CALL MarshalClearDepthToClearDepthf(GLclampd depth) {
glClearDepthf(static_cast<GLclampf>(depth));
}
void GL_BINDING_CALL MarshalDepthRangeToDepthRangef(GLclampd z_near,
GLclampd z_far) {
glDepthRangef(static_cast<GLclampf>(z_near), static_cast<GLclampf>(z_far));
}
}
void GetAllowedGLImplementations(std::vector<GLImplementation>* impls) {
impls->push_back(kGLImplementationEGLGLES2);
impls->push_back(kGLImplementationOSMesaGL);
}
bool InitializeStaticGLBindings(GLImplementation implementation) {
DCHECK_EQ(kGLImplementationNone, GetGLImplementation());
switch (implementation) {
case kGLImplementationOSMesaGL:
return InitializeStaticGLBindingsOSMesaGL();
case kGLImplementationEGLGLES2:
ui::OzonePlatform::Initialize();
if (!gfx::SurfaceFactoryOzone::GetInstance()->LoadEGLGLES2Bindings(
base::Bind(&AddGLNativeLibrary),
base::Bind(&SetGLGetProcAddressProc)))
return false;
SetGLImplementation(kGLImplementationEGLGLES2);
InitializeStaticGLBindingsGL();
InitializeStaticGLBindingsEGL();
::gfx::g_driver_gl.fn.glClearDepthFn = MarshalClearDepthToClearDepthf;
::gfx::g_driver_gl.fn.glDepthRangeFn = MarshalDepthRangeToDepthRangef;
break;
case kGLImplementationMockGL: {
SetGLImplementation(kGLImplementationMockGL);
InitializeStaticGLBindingsGL();
break;
}
default:
NOTIMPLEMENTED()
<< "Unsupported GL type for Ozone surface implementation";
return false;
}
return true;
}
bool InitializeDynamicGLBindings(GLImplementation implementation,
GLContext* context) {
switch (implementation) {
case kGLImplementationOSMesaGL:
InitializeDynamicGLBindingsGL(context);
InitializeDynamicGLBindingsOSMESA(context);
break;
case kGLImplementationEGLGLES2:
InitializeDynamicGLBindingsGL(context);
InitializeDynamicGLBindingsEGL(context);
break;
case kGLImplementationMockGL:
if (!context) {
scoped_refptr<GLContextStubWithExtensions> mock_context(
new GLContextStubWithExtensions());
mock_context->SetGLVersionString("3.0");
InitializeDynamicGLBindingsGL(mock_context.get());
} else
InitializeDynamicGLBindingsGL(context);
break;
default:
return false;
}
return true;
}
void InitializeDebugGLBindings() {
}
void ClearGLBindings() {
ClearGLBindingsEGL();
ClearGLBindingsGL();
SetGLImplementation(kGLImplementationNone);
UnloadGLNativeLibraries();
}
bool GetGLWindowSystemBindingInfo(GLWindowSystemBindingInfo* info) {
switch (GetGLImplementation()) {
case kGLImplementationEGLGLES2:
return GetGLWindowSystemBindingInfoEGL(info);
default:
return false;
}
return false;
}
}