gecko/dom/canvas/WebGLExtensionColorBufferHalfFloat.cpp

33 lines
951 B
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"
using namespace mozilla;
WebGLExtensionColorBufferHalfFloat::WebGLExtensionColorBufferHalfFloat(WebGLContext* context)
: WebGLExtensionBase(context)
{
MOZ_ASSERT(IsSupported(context));
}
WebGLExtensionColorBufferHalfFloat::~WebGLExtensionColorBufferHalfFloat()
{
}
bool
WebGLExtensionColorBufferHalfFloat::IsSupported(const WebGLContext* context)
{
gl::GLContext* gl = context->GL();
// ANGLE doesn't support ReadPixels from a RGBA16F with RGBA/FLOAT.
return gl->IsSupported(gl::GLFeature::renderbuffer_color_half_float);
}
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionColorBufferHalfFloat)