зеркало из https://github.com/mozilla/gecko-dev.git
45 строки
1.2 KiB
C++
45 строки
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebGLExtensions.h"
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#include "GLContext.h"
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#include "mozilla/dom/WebGLRenderingContextBinding.h"
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#include "WebGLContext.h"
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namespace mozilla {
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WebGLExtensionSRGB::WebGLExtensionSRGB(WebGLContext* webgl)
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: WebGLExtensionBase(webgl)
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{
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MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
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gl::GLContext* gl = webgl->GL();
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if (!gl->IsGLES()) {
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// Desktop OpenGL requires the following to be enabled in order to
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// support sRGB operations on framebuffers.
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gl->MakeCurrent();
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gl->fEnable(LOCAL_GL_FRAMEBUFFER_SRGB_EXT);
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}
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}
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WebGLExtensionSRGB::~WebGLExtensionSRGB()
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{
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}
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bool
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WebGLExtensionSRGB::IsSupported(const WebGLContext* webgl)
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{
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gl::GLContext* gl = webgl->GL();
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return gl->IsSupported(gl::GLFeature::sRGB_framebuffer) &&
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gl->IsSupported(gl::GLFeature::sRGB_texture);
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}
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IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionSRGB, EXT_sRGB)
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} // namespace mozilla
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