The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/canvas/src/WebGLExtensionSRGB.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,40 @@
     1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "WebGLContext.h"
    1.10 +#include "WebGLExtensions.h"
    1.11 +#include "mozilla/dom/WebGLRenderingContextBinding.h"
    1.12 +#include "GLContext.h"
    1.13 +
    1.14 +using namespace mozilla;
    1.15 +
    1.16 +WebGLExtensionSRGB::WebGLExtensionSRGB(WebGLContext* context)
    1.17 +    : WebGLExtensionBase(context)
    1.18 +{
    1.19 +    MOZ_ASSERT(IsSupported(context), "should not construct WebGLExtensionSRGB: "
    1.20 +                                     "sRGB is unsupported.");
    1.21 +    gl::GLContext* gl = context->GL();
    1.22 +    if (!gl->IsGLES()) {
    1.23 +        // Desktop OpenGL requires the following to be enabled to support
    1.24 +        // sRGB operations on framebuffers
    1.25 +        gl->MakeCurrent();
    1.26 +        gl->fEnable(LOCAL_GL_FRAMEBUFFER_SRGB_EXT);
    1.27 +    }
    1.28 +}
    1.29 +
    1.30 +WebGLExtensionSRGB::~WebGLExtensionSRGB()
    1.31 +{
    1.32 +}
    1.33 +
    1.34 +bool
    1.35 +WebGLExtensionSRGB::IsSupported(const WebGLContext* context)
    1.36 +{
    1.37 +    gl::GLContext* gl = context->GL();
    1.38 +
    1.39 +    return gl->IsSupported(gl::GLFeature::sRGB);
    1.40 +}
    1.41 +
    1.42 +
    1.43 +IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionSRGB)