зеркало из https://github.com/mozilla/gecko-dev.git
52 строки
1.6 KiB
C++
52 строки
1.6 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 {
|
|
|
|
WebGLExtensionCompressedTextureS3TC::WebGLExtensionCompressedTextureS3TC(
|
|
WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
RefPtr<WebGLContext> webgl_ = webgl; // Bug 1201275
|
|
const auto fnAdd = [&webgl_](GLenum sizedFormat,
|
|
webgl::EffectiveFormat effFormat) {
|
|
auto& fua = webgl_->mFormatUsage;
|
|
|
|
auto usage = fua->EditUsage(effFormat);
|
|
usage->isFilterable = true;
|
|
fua->AllowSizedTexFormat(sizedFormat, usage);
|
|
};
|
|
|
|
#define FOO(x) LOCAL_GL_##x, webgl::EffectiveFormat::x
|
|
|
|
fnAdd(FOO(COMPRESSED_RGB_S3TC_DXT1_EXT));
|
|
fnAdd(FOO(COMPRESSED_RGBA_S3TC_DXT1_EXT));
|
|
fnAdd(FOO(COMPRESSED_RGBA_S3TC_DXT3_EXT));
|
|
fnAdd(FOO(COMPRESSED_RGBA_S3TC_DXT5_EXT));
|
|
|
|
#undef FOO
|
|
}
|
|
|
|
bool WebGLExtensionCompressedTextureS3TC::IsSupported(
|
|
const WebGLContext* webgl) {
|
|
gl::GLContext* gl = webgl->GL();
|
|
if (gl->IsExtensionSupported(gl::GLContext::EXT_texture_compression_s3tc))
|
|
return true;
|
|
|
|
return gl->IsExtensionSupported(
|
|
gl::GLContext::EXT_texture_compression_dxt1) &&
|
|
gl->IsExtensionSupported(
|
|
gl::GLContext::ANGLE_texture_compression_dxt3) &&
|
|
gl->IsExtensionSupported(
|
|
gl::GLContext::ANGLE_texture_compression_dxt5);
|
|
}
|
|
|
|
} // namespace mozilla
|