gecko/dom/canvas/WebGLExtensionColorBufferFloat.cpp
2014-11-13 20:03:50 -08:00

38 lines
1.1 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WebGLExtensions.h"
#include "GLContext.h"
#include "mozilla/dom/WebGLRenderingContextBinding.h"
#include "WebGLContext.h"
namespace mozilla {
WebGLExtensionColorBufferFloat::WebGLExtensionColorBufferFloat(WebGLContext* webgl)
: WebGLExtensionBase(webgl)
{
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
}
WebGLExtensionColorBufferFloat::~WebGLExtensionColorBufferFloat()
{
}
bool
WebGLExtensionColorBufferFloat::IsSupported(const WebGLContext* webgl)
{
gl::GLContext* gl = webgl->GL();
// ANGLE supports this, but doesn't have a way to advertize its support,
// since it's compliant with WEBGL_color_buffer_float's clamping, but not
// EXT_color_buffer_float.
return gl->IsSupported(gl::GLFeature::renderbuffer_color_float) ||
gl->IsANGLE();
}
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionColorBufferFloat)
} // namespace mozilla