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//
// Copyright 2016 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.
//
// RenderTargetVk:
// Wrapper around a Vulkan renderable resource, using an ImageView.
//
#include "libANGLE/renderer/vulkan/RenderTargetVk.h"
#include "libANGLE/renderer/vulkan/CommandGraph.h"
#include "libANGLE/renderer/vulkan/TextureVk.h"
#include "libANGLE/renderer/vulkan/vk_format_utils.h"
#include "libANGLE/renderer/vulkan/vk_helpers.h"
namespace rx
{
RenderTargetVk::RenderTargetVk()
: mImage(nullptr), mImageView(nullptr), mLayerIndex(0), mOwner(nullptr)
{}
RenderTargetVk::~RenderTargetVk() {}
RenderTargetVk::RenderTargetVk(RenderTargetVk &&other)
: mImage(other.mImage),
mImageView(other.mImageView),
mLayerIndex(other.mLayerIndex),
mOwner(other.mOwner)
{}
void RenderTargetVk::init(vk::ImageHelper *image,
vk::ImageView *imageView,
size_t layerIndex,
TextureVk *owner)
{
mImage = image;
mImageView = imageView;
mLayerIndex = layerIndex;
mOwner = owner;
}
void RenderTargetVk::reset()
{
mImage = nullptr;
mImageView = nullptr;
mLayerIndex = 0;
mOwner = nullptr;
}
void RenderTargetVk::onColorDraw(vk::FramebufferHelper *framebufferVk,
vk::CommandBuffer *commandBuffer,
vk::RenderPassDesc *renderPassDesc)
{
ASSERT(commandBuffer->valid());
ASSERT(!mImage->getFormat().textureFormat().hasDepthOrStencilBits());
// Store the attachment info in the renderPassDesc.
renderPassDesc->packAttachment(mImage->getFormat());
// TODO(jmadill): Use automatic layout transition. http://anglebug.com/2361
mImage->changeLayout(VK_IMAGE_ASPECT_COLOR_BIT, vk::ImageLayout::ColorAttachment,
commandBuffer);
// Set up dependencies between the RT resource and the Framebuffer.
mImage->addWriteDependency(framebufferVk);
}
void RenderTargetVk::onDepthStencilDraw(vk::FramebufferHelper *framebufferVk,
vk::CommandBuffer *commandBuffer,
vk::RenderPassDesc *renderPassDesc)
{
ASSERT(commandBuffer->valid());
ASSERT(mImage->getFormat().textureFormat().hasDepthOrStencilBits());
// Store the attachment info in the renderPassDesc.
renderPassDesc->packAttachment(mImage->getFormat());
// TODO(jmadill): Use automatic layout transition. http://anglebug.com/2361
const angle::Format &format = mImage->getFormat().textureFormat();
VkImageAspectFlags aspectFlags = vk::GetDepthStencilAspectFlags(format);
mImage->changeLayout(aspectFlags, vk::ImageLayout::DepthStencilAttachment, commandBuffer);
// Set up dependencies between the RT resource and the Framebuffer.
mImage->addWriteDependency(framebufferVk);
}
vk::ImageHelper &RenderTargetVk::getImage()
{
ASSERT(mImage && mImage->valid());
return *mImage;
}
const vk::ImageHelper &RenderTargetVk::getImage() const
{
ASSERT(mImage && mImage->valid());
return *mImage;
}
vk::ImageView *RenderTargetVk::getDrawImageView() const
{
ASSERT(mImageView && mImageView->valid());
return mImageView;
}
vk::ImageView *RenderTargetVk::getReadImageView() const
{
return getDrawImageView();
}
const vk::Format &RenderTargetVk::getImageFormat() const
{
ASSERT(mImage && mImage->valid());
return mImage->getFormat();
}
const gl::Extents &RenderTargetVk::getImageExtents() const
{
ASSERT(mImage && mImage->valid());
return mImage->getExtents();
}
void RenderTargetVk::updateSwapchainImage(vk::ImageHelper *image, vk::ImageView *imageView)
{
ASSERT(image && image->valid() && imageView && imageView->valid());
mImage = image;
mImageView = imageView;
mOwner = nullptr;
}
vk::ImageHelper *RenderTargetVk::getImageForRead(vk::CommandGraphResource *readingResource,
vk::ImageLayout layout,
vk::CommandBuffer *commandBuffer)
{
ASSERT(mImage && mImage->valid());
// TODO(jmadill): Better simultaneous resource access. http://anglebug.com/2679
mImage->addWriteDependency(readingResource);
mImage->changeLayout(mImage->getAspectFlags(), layout, commandBuffer);
return mImage;
}
vk::ImageHelper *RenderTargetVk::getImageForWrite(vk::CommandGraphResource *writingResource) const
{
ASSERT(mImage && mImage->valid());
mImage->addWriteDependency(writingResource);
return mImage;
}
angle::Result RenderTargetVk::ensureImageInitialized(ContextVk *contextVk)
{
if (mOwner)
{
return mOwner->ensureImageInitialized(contextVk);
}
return angle::Result::Continue;
}
} // namespace rx