gecko-dev/dom/canvas/WebGLExtensionBlendMinMax.cpp

29 строки
887 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"
namespace mozilla {
WebGLExtensionBlendMinMax::WebGLExtensionBlendMinMax(WebGLContext* webgl)
: WebGLExtensionBase(webgl) {
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
}
WebGLExtensionBlendMinMax::~WebGLExtensionBlendMinMax() {}
bool WebGLExtensionBlendMinMax::IsSupported(const WebGLContext* webgl) {
if (webgl->IsWebGL2()) return false;
return webgl->GL()->IsSupported(gl::GLFeature::blend_minmax);
}
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionBlendMinMax, EXT_blend_minmax)
} // namespace mozilla