gecko-dev/dom/canvas/WebGLExtensionTextureFloatLinear.cpp

48 lines
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 "mozilla/dom/WebGLRenderingContextBinding.h"
#include "WebGLContext.h"
#include "WebGLFormats.h"
namespace mozilla {
using mozilla::webgl::EffectiveFormat;
WebGLExtensionTextureFloatLinear::WebGLExtensionTextureFloatLinear(WebGLContext* webgl)
: WebGLExtensionBase(webgl)
{
// This update requires that the authority already be populated by
// WebGLExtensionTextureFloat. Enabling extensions to control
// features is a mess in WebGL
webgl::FormatUsageAuthority* authority = webgl->mFormatUsage.get();
auto updateUsage = [authority](EffectiveFormat effectiveFormat) {
webgl::FormatUsageInfo* usage = authority->GetUsage(effectiveFormat);
MOZ_ASSERT(usage);
usage->isFilterable = true;
};
// Ensure require formats are initialized.
WebGLExtensionTextureFloat::InitWebGLFormats(authority);
// Update usage to allow isFilterable
updateUsage(EffectiveFormat::RGBA32F);
updateUsage(EffectiveFormat::RGB32F);
updateUsage(EffectiveFormat::Luminance32FAlpha32F);
updateUsage(EffectiveFormat::Luminance32F);
updateUsage(EffectiveFormat::Alpha32F);
}
WebGLExtensionTextureFloatLinear::~WebGLExtensionTextureFloatLinear()
{
}
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionTextureFloatLinear, OES_texture_float_linear)
} // namespace mozilla