gecko-dev/dom/canvas/WebGLExtensionCompressedTex...

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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 {
WebGLExtensionCompressedTextureASTC::WebGLExtensionCompressedTextureASTC(
WebGLContext* webgl)
: WebGLExtensionBase(webgl) {
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
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);
webgl_->mCompressedTextureFormats.AppendElement(sizedFormat);
};
#define FOO(x) LOCAL_GL_##x, webgl::EffectiveFormat::x
fnAdd(FOO(COMPRESSED_RGBA_ASTC_4x4_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_5x4_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_5x5_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_6x5_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_6x6_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_8x5_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_8x6_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_8x8_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x5_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x6_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x8_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x10_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_12x10_KHR));
fnAdd(FOO(COMPRESSED_RGBA_ASTC_12x12_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR));
fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR));
#undef FOO
}
WebGLExtensionCompressedTextureASTC::~WebGLExtensionCompressedTextureASTC() {}
void WebGLExtensionCompressedTextureASTC::GetSupportedProfiles(
dom::Nullable<nsTArray<nsString> >& retval) const {
retval.SetNull();
if (mIsLost) {
mContext->ErrorInvalidOperation("%s: Extension is lost.",
"drawElementsInstancedANGLE");
return;
}
nsTArray<nsString>& arr = retval.SetValue();
arr.AppendElement(NS_LITERAL_STRING("ldr"));
if (mContext->gl->IsExtensionSupported(
gl::GLContext::KHR_texture_compression_astc_hdr)) {
arr.AppendElement(NS_LITERAL_STRING("hdr"));
}
}
bool WebGLExtensionCompressedTextureASTC::IsSupported(
const WebGLContext* webgl) {
gl::GLContext* gl = webgl->GL();
return gl->IsExtensionSupported(
gl::GLContext::KHR_texture_compression_astc_ldr);
}
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionCompressedTextureASTC,
WEBGL_compressed_texture_astc)
} // namespace mozilla