зеркало из https://github.com/mozilla/gecko-dev.git
49 строки
1.5 KiB
C++
49 строки
1.5 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"
|
|
#include "WebGLFormats.h"
|
|
|
|
namespace mozilla {
|
|
|
|
WebGLExtensionCompressedTextureBPTC::WebGLExtensionCompressedTextureBPTC(
|
|
WebGLContext* const webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
|
|
auto& fua = webgl->mFormatUsage;
|
|
|
|
const auto fnAdd = [&](const GLenum sizedFormat,
|
|
const webgl::EffectiveFormat effFormat) {
|
|
auto usage = fua->EditUsage(effFormat);
|
|
usage->isFilterable = true;
|
|
fua->AllowSizedTexFormat(sizedFormat, usage);
|
|
|
|
webgl->mCompressedTextureFormats.AppendElement(sizedFormat);
|
|
};
|
|
|
|
#define _(X) LOCAL_GL_##X, webgl::EffectiveFormat::X
|
|
|
|
fnAdd(_(COMPRESSED_RGBA_BPTC_UNORM));
|
|
fnAdd(_(COMPRESSED_SRGB_ALPHA_BPTC_UNORM));
|
|
fnAdd(_(COMPRESSED_RGB_BPTC_SIGNED_FLOAT));
|
|
fnAdd(_(COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT));
|
|
|
|
#undef _
|
|
}
|
|
|
|
bool WebGLExtensionCompressedTextureBPTC::IsSupported(
|
|
const WebGLContext* const webgl) {
|
|
return webgl->gl->IsSupported(gl::GLFeature::texture_compression_bptc);
|
|
}
|
|
|
|
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionCompressedTextureBPTC,
|
|
EXT_texture_compression_bptc)
|
|
|
|
} // namespace mozilla
|