gecko-dev/dom/canvas/WebGLExtensionDepthTexture.cpp

50 строки
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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"
namespace mozilla {
WebGLExtensionDepthTexture::WebGLExtensionDepthTexture(WebGLContext* webgl)
: WebGLExtensionBase(webgl)
{
auto& fua = webgl->mFormatUsage;
const auto fnAdd = [&fua](webgl::EffectiveFormat effFormat, GLenum unpackFormat,
GLenum unpackType)
{
auto usage = fua->EditUsage(effFormat);
usage->isFilterable = true;
usage->SetRenderable();
const webgl::PackingInfo pi = {unpackFormat, unpackType};
const webgl::DriverUnpackInfo dui = {unpackFormat, unpackFormat, unpackType};
fua->AddTexUnpack(usage, pi, dui);
fua->AllowUnsizedTexFormat(pi, usage);
};
fnAdd(webgl::EffectiveFormat::DEPTH_COMPONENT16, LOCAL_GL_DEPTH_COMPONENT,
LOCAL_GL_UNSIGNED_SHORT);
fnAdd(webgl::EffectiveFormat::DEPTH_COMPONENT24, LOCAL_GL_DEPTH_COMPONENT,
LOCAL_GL_UNSIGNED_INT);
fnAdd(webgl::EffectiveFormat::DEPTH24_STENCIL8, LOCAL_GL_DEPTH_STENCIL,
LOCAL_GL_UNSIGNED_INT_24_8);
}
WebGLExtensionDepthTexture::~WebGLExtensionDepthTexture()
{
}
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionDepthTexture, WEBGL_depth_texture)
} // namespace mozilla