Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 283 insertions, 0 deletions

diff --git a/gfx/angle/checkout/src/libANGLE/Renderbuffer.cpp b/gfx/angle/checkout/src/libANGLE/Renderbuffer.cpp
new file mode 100644
index 0000000000..de073bfcd3
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Renderbuffer.cpp
@@ -0,0 +1,283 @@
+//
+// 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/Context.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+
+namespace gl
+{
+// RenderbufferState implementation.
+RenderbufferState::RenderbufferState()
+    : mWidth(0), mHeight(0), mFormat(GL_RGBA4), mSamples(0), mInitState(InitState::MayNeedInit)
+{}
+
+RenderbufferState::~RenderbufferState() {}
+
+GLsizei RenderbufferState::getWidth() const
+{
+    return mWidth;
+}
+
+GLsizei RenderbufferState::getHeight() const
+{
+    return mHeight;
+}
+
+const Format &RenderbufferState::getFormat() const
+{
+    return mFormat;
+}
+
+GLsizei RenderbufferState::getSamples() const
+{
+    return mSamples;
+}
+
+void RenderbufferState::update(GLsizei width,
+                               GLsizei height,
+                               const Format &format,
+                               GLsizei samples,
+                               InitState initState)
+{
+    mWidth     = static_cast<GLsizei>(width);
+    mHeight    = static_cast<GLsizei>(height);
+    mFormat    = format;
+    mSamples   = samples;
+    mInitState = InitState::MayNeedInit;
+}
+
+// Renderbuffer implementation.
+Renderbuffer::Renderbuffer(rx::GLImplFactory *implFactory, GLuint id)
+    : RefCountObject(id),
+      mState(),
+      mImplementation(implFactory->createRenderbuffer(mState)),
+      mLabel()
+{}
+
+void Renderbuffer::onDestroy(const Context *context)
+{
+    (void)(orphanImages(context));
+
+    if (mImplementation)
+    {
+        mImplementation->onDestroy(context);
+    }
+}
+
+Renderbuffer::~Renderbuffer() {}
+
+void Renderbuffer::setLabel(const Context *context, const std::string &label)
+{
+    mLabel = label;
+}
+
+const std::string &Renderbuffer::getLabel() const
+{
+    return mLabel;
+}
+
+angle::Result Renderbuffer::setStorage(const Context *context,
+                                       GLenum internalformat,
+                                       size_t width,
+                                       size_t height)
+{
+    ANGLE_TRY(orphanImages(context));
+    ANGLE_TRY(mImplementation->setStorage(context, internalformat, width, height));
+
+    mState.update(static_cast<GLsizei>(width), static_cast<GLsizei>(height), Format(internalformat),
+                  0, InitState::MayNeedInit);
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderbuffer::setStorageMultisample(const Context *context,
+                                                  size_t samples,
+                                                  GLenum internalformat,
+                                                  size_t width,
+                                                  size_t height)
+{
+    ANGLE_TRY(orphanImages(context));
+    ANGLE_TRY(
+        mImplementation->setStorageMultisample(context, samples, internalformat, width, height));
+
+    mState.update(static_cast<GLsizei>(width), static_cast<GLsizei>(height), Format(internalformat),
+                  static_cast<GLsizei>(samples), InitState::MayNeedInit);
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Renderbuffer::setStorageEGLImageTarget(const Context *context, egl::Image *image)
+{
+    ANGLE_TRY(orphanImages(context));
+    ANGLE_TRY(mImplementation->setStorageEGLImageTarget(context, image));
+
+    setTargetImage(context, image);
+
+    mState.update(static_cast<GLsizei>(image->getWidth()), static_cast<GLsizei>(image->getHeight()),
+                  Format(image->getFormat()), 0, image->sourceInitState());
+    onStateChange(angle::SubjectMessage::SubjectChanged);
+
+    return angle::Result::Continue;
+}
+
+rx::RenderbufferImpl *Renderbuffer::getImplementation() const
+{
+    ASSERT(mImplementation);
+    return mImplementation.get();
+}
+
+GLsizei Renderbuffer::getWidth() const
+{
+    return mState.mWidth;
+}
+
+GLsizei Renderbuffer::getHeight() const
+{
+    return mState.mHeight;
+}
+
+const Format &Renderbuffer::getFormat() const
+{
+    return mState.mFormat;
+}
+
+GLsizei Renderbuffer::getSamples() const
+{
+    return mState.mSamples;
+}
+
+GLuint Renderbuffer::getRedSize() const
+{
+    return mState.mFormat.info->redBits;
+}
+
+GLuint Renderbuffer::getGreenSize() const
+{
+    return mState.mFormat.info->greenBits;
+}
+
+GLuint Renderbuffer::getBlueSize() const
+{
+    return mState.mFormat.info->blueBits;
+}
+
+GLuint Renderbuffer::getAlphaSize() const
+{
+    return mState.mFormat.info->alphaBits;
+}
+
+GLuint Renderbuffer::getDepthSize() const
+{
+    return mState.mFormat.info->depthBits;
+}
+
+GLuint Renderbuffer::getStencilSize() const
+{
+    return mState.mFormat.info->stencilBits;
+}
+
+GLint Renderbuffer::getMemorySize() const
+{
+    GLint implSize = mImplementation->getMemorySize();
+    if (implSize > 0)
+    {
+        return implSize;
+    }
+
+    // Assume allocated size is around width * height * samples * pixelBytes
+    angle::CheckedNumeric<GLint> size = 1;
+    size *= mState.mFormat.info->pixelBytes;
+    size *= mState.mWidth;
+    size *= mState.mHeight;
+    size *= std::max(mState.mSamples, 1);
+    return size.ValueOrDefault(std::numeric_limits<GLint>::max());
+}
+
+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(mState.mWidth, mState.mHeight, 1);
+}
+
+Format Renderbuffer::getAttachmentFormat(GLenum /*binding*/,
+                                         const ImageIndex & /*imageIndex*/) const
+{
+    return getFormat();
+}
+GLsizei Renderbuffer::getAttachmentSamples(const ImageIndex & /*imageIndex*/) const
+{
+    return getSamples();
+}
+
+bool Renderbuffer::isRenderable(const Context *context,
+                                GLenum binding,
+                                const ImageIndex &imageIndex) const
+{
+    if (isEGLImageTarget())
+    {
+        return ImageSibling::isRenderable(context, binding, imageIndex);
+    }
+    return getFormat().info->renderbufferSupport(context->getClientVersion(),
+                                                 context->getExtensions());
+}
+
+InitState Renderbuffer::initState(const gl::ImageIndex & /*imageIndex*/) const
+{
+    if (isEGLImageTarget())
+    {
+        return sourceEGLImageInitState();
+    }
+
+    return mState.mInitState;
+}
+
+void Renderbuffer::setInitState(const gl::ImageIndex & /*imageIndex*/, InitState initState)
+{
+    if (isEGLImageTarget())
+    {
+        setSourceEGLImageInitState(initState);
+    }
+    else
+    {
+        mState.mInitState = initState;
+    }
+}
+
+rx::FramebufferAttachmentObjectImpl *Renderbuffer::getAttachmentImpl() const
+{
+    return mImplementation.get();
+}
+
+}  // namespace gl