michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "WebGLContext.h"
michael@0: #include "WebGLExtensions.h"
michael@0: #include "mozilla/dom/WebGLRenderingContextBinding.h"
michael@0: #include "GLContext.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: WebGLExtensionSRGB::WebGLExtensionSRGB(WebGLContext* context)
michael@0:     : WebGLExtensionBase(context)
michael@0: {
michael@0:     MOZ_ASSERT(IsSupported(context), "should not construct WebGLExtensionSRGB: "
michael@0:                                      "sRGB is unsupported.");
michael@0:     gl::GLContext* gl = context->GL();
michael@0:     if (!gl->IsGLES()) {
michael@0:         // Desktop OpenGL requires the following to be enabled to support
michael@0:         // sRGB operations on framebuffers
michael@0:         gl->MakeCurrent();
michael@0:         gl->fEnable(LOCAL_GL_FRAMEBUFFER_SRGB_EXT);
michael@0:     }
michael@0: }
michael@0: 
michael@0: WebGLExtensionSRGB::~WebGLExtensionSRGB()
michael@0: {
michael@0: }
michael@0: 
michael@0: bool
michael@0: WebGLExtensionSRGB::IsSupported(const WebGLContext* context)
michael@0: {
michael@0:     gl::GLContext* gl = context->GL();
michael@0: 
michael@0:     return gl->IsSupported(gl::GLFeature::sRGB);
michael@0: }
michael@0: 
michael@0: 
michael@0: IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionSRGB)