gecko-dev/dom/canvas/WebGLExtensionEXTColorBuffe...

52 строки
1.4 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/WebGL2RenderingContextBinding.h"
#include "WebGLContext.h"
#include "WebGLFormats.h"
namespace mozilla {
WebGLExtensionEXTColorBufferFloat::WebGLExtensionEXTColorBufferFloat(WebGLContext* webgl)
: WebGLExtensionBase(webgl)
{
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
auto& fua = webgl->mFormatUsage;
auto fnUpdateUsage = [&fua](GLenum sizedFormat, webgl::EffectiveFormat effFormat) {
auto usage = fua->EditUsage(effFormat);
usage->SetRenderable();
fua->AllowRBFormat(sizedFormat, usage);
};
#define FOO(x) fnUpdateUsage(LOCAL_GL_ ## x, webgl::EffectiveFormat::x)
FOO(R16F);
FOO(RG16F);
FOO(RGBA16F);
FOO(R32F);
FOO(RG32F);
FOO(RGBA32F);
FOO(R11F_G11F_B10F);
#undef FOO
}
/*static*/ bool
WebGLExtensionEXTColorBufferFloat::IsSupported(const WebGLContext* webgl)
{
const gl::GLContext* gl = webgl->GL();
return gl->IsSupported(gl::GLFeature::EXT_color_buffer_float);
}
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionEXTColorBufferFloat, EXT_color_buffer_float)
} // namespace mozilla