Renderbuffer.cpp

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Author : Jamie Madill
Date : 2017-09-14 22:20:29
Hash : 71c88b31
Message : Enable [[nodiscard]] for gl::Error. This forces all return values to be checked for gl::Error. Requires quite a bit of minor refactoring. I also added a macro to swallow an error without returning from a function. We could look at storing the errors in the Context at some point, since almost always when we're generating errors that we need to discard we have access to the Context as a parameter. BUG=angleproject:2150 Change-Id: I457e48a30c002eda0993acbcd3180ba87bf169fb Reviewed-on: https://chromium-review.googlesource.com/665173 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org>

src/libANGLE/Renderbuffer.cpp

//
// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// Renderbuffer.cpp: Implements the renderer-agnostic gl::Renderbuffer class,
// GL renderbuffer objects and related functionality.
// [OpenGL ES 2.0.24] section 4.4.3 page 108.

#include "libANGLE/Renderbuffer.h"

#include "common/utilities.h"
#include "libANGLE/FramebufferAttachment.h"
#include "libANGLE/Image.h"
#include "libANGLE/Texture.h"
#include "libANGLE/formatutils.h"
#include "libANGLE/renderer/d3d/RenderTargetD3D.h"

namespace gl
{
Renderbuffer::Renderbuffer(rx::RenderbufferImpl *impl, GLuint id)
    : egl::ImageSibling(id),
      mRenderbuffer(impl),
      mLabel(),
      mWidth(0),
      mHeight(0),
      mFormat(GL_RGBA4),
      mSamples(0)
{
}

Error Renderbuffer::onDestroy(const Context *context)
{
    return orphanImages(context);
}

Renderbuffer::~Renderbuffer()
{
    SafeDelete(mRenderbuffer);
}

void Renderbuffer::setLabel(const std::string &label)
{
    mLabel = label;
}

const std::string &Renderbuffer::getLabel() const
{
    return mLabel;
}

Error Renderbuffer::setStorage(const Context *context,
                               GLenum internalformat,
                               size_t width,
                               size_t height)
{
    ANGLE_TRY(orphanImages(context));

    ANGLE_TRY(mRenderbuffer->setStorage(internalformat, width, height));

    mWidth          = static_cast<GLsizei>(width);
    mHeight         = static_cast<GLsizei>(height);
    mFormat         = Format(internalformat);
    mSamples = 0;

    mDirtyChannel.signal();

    return NoError();
}

Error Renderbuffer::setStorageMultisample(const Context *context,
                                          size_t samples,
                                          GLenum internalformat,
                                          size_t width,
                                          size_t height)
{
    ANGLE_TRY(orphanImages(context));

    ANGLE_TRY(mRenderbuffer->setStorageMultisample(samples, internalformat, width, height));

    mWidth          = static_cast<GLsizei>(width);
    mHeight         = static_cast<GLsizei>(height);
    mFormat         = Format(internalformat);
    mSamples        = static_cast<GLsizei>(samples);

    mDirtyChannel.signal();

    return NoError();
}

Error Renderbuffer::setStorageEGLImageTarget(const Context *context, egl::Image *image)
{
    ANGLE_TRY(orphanImages(context));

    ANGLE_TRY(mRenderbuffer->setStorageEGLImageTarget(image));

    setTargetImage(context, image);

    mWidth          = static_cast<GLsizei>(image->getWidth());
    mHeight         = static_cast<GLsizei>(image->getHeight());
    mFormat         = Format(image->getFormat());
    mSamples        = 0;

    mDirtyChannel.signal();

    return NoError();
}

rx::RenderbufferImpl *Renderbuffer::getImplementation() const
{
    ASSERT(mRenderbuffer);
    return mRenderbuffer;
}

GLsizei Renderbuffer::getWidth() const
{
    return mWidth;
}

GLsizei Renderbuffer::getHeight() const
{
    return mHeight;
}

const Format &Renderbuffer::getFormat() const
{
    return mFormat;
}

GLsizei Renderbuffer::getSamples() const
{
    return mSamples;
}

GLuint Renderbuffer::getRedSize() const
{
    return mFormat.info->redBits;
}

GLuint Renderbuffer::getGreenSize() const
{
    return mFormat.info->greenBits;
}

GLuint Renderbuffer::getBlueSize() const
{
    return mFormat.info->blueBits;
}

GLuint Renderbuffer::getAlphaSize() const
{
    return mFormat.info->alphaBits;
}

GLuint Renderbuffer::getDepthSize() const
{
    return mFormat.info->depthBits;
}

GLuint Renderbuffer::getStencilSize() const
{
    return mFormat.info->stencilBits;
}

void Renderbuffer::onAttach(const Context *context)
{
    addRef();
}

void Renderbuffer::onDetach(const Context *context)
{
    release(context);
}

GLuint Renderbuffer::getId() const
{
    return id();
}

Extents Renderbuffer::getAttachmentSize(const gl::ImageIndex & /*imageIndex*/) const
{
    return Extents(mWidth, mHeight, 1);
}
}  // namespace gl

kc3-lang/angle/src/libANGLE/Renderbuffer.cpp

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kc3-lang/angle /src/libANGLE/Renderbuffer.cpp