dom/canvas/WebGLExtensionEXTColorBufferFloat.cpp
author Alex Gaynor <agaynor@mozilla.com>
Mon, 27 Nov 2017 14:37:34 -0600
changeset 403385 bcc0a91dd43feae18d4bf04d7db3d146035aa416
parent 304285 68e135670761ec5bf20f91f79358276fb94df5a5
child 448947 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1407693 - Part 2 - when a child process crashes, write extra annotation data to a pre-opened file descriptor instead of creating a new file; r=gsvelto,rbarker This removes the need for the content process to have permissions to create new files on macOS, allowing more aggressive sandboxing. MozReview-Commit-ID: 8agL5jwxDSL

/* 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