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// Copyright 2019 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SRC_DAWN_NATIVE_ATTACHMENTSTATE_H_
#define SRC_DAWN_NATIVE_ATTACHMENTSTATE_H_
#include <array>
#include <bitset>
#include <vector>
#include "dawn/common/Constants.h"
#include "dawn/common/ContentLessObjectCacheable.h"
#include "dawn/common/ityp_array.h"
#include "dawn/common/ityp_bitset.h"
#include "dawn/native/CachedObject.h"
#include "dawn/native/IntegerTypes.h"
#include "dawn/native/ObjectBase.h"
#include "dawn/native/dawn_platform.h"
namespace dawn::native {
class DeviceBase;
class AttachmentState final : public ObjectBase,
public CachedObject,
public ContentLessObjectCacheable<AttachmentState> {
public:
struct ExpandResolveInfo {
// Mask indicates which attachments use `ExpandResolveTexture` load op.
ColorAttachmentMask attachmentsToExpandResolve;
// Mask indicates which attachments have resolve target. Only enabled if
// attachmentsToExpandResolve has any bit set.
ColorAttachmentMask resolveTargetsMask;
};
// Note: Descriptors must be validated before the AttachmentState is constructed.
explicit AttachmentState(DeviceBase* device, const RenderBundleEncoderDescriptor* descriptor);
explicit AttachmentState(DeviceBase* device,
const UnpackedPtr<RenderPipelineDescriptor>& descriptor,
const PipelineLayoutBase* layout);
explicit AttachmentState(DeviceBase* device,
const UnpackedPtr<RenderPassDescriptor>& descriptor);
// Constructor used to avoid re-parsing descriptors when we already parsed them for cache keys.
AttachmentState(const AttachmentState& blueprint);
ColorAttachmentMask GetColorAttachmentsMask() const;
wgpu::TextureFormat GetColorAttachmentFormat(ColorAttachmentIndex index) const;
bool HasDepthStencilAttachment() const;
wgpu::TextureFormat GetDepthStencilFormat() const;
uint32_t GetSampleCount() const;
const ExpandResolveInfo& GetExpandResolveInfo() const;
bool HasPixelLocalStorage() const;
const std::vector<wgpu::TextureFormat>& GetStorageAttachmentSlots() const;
std::vector<ColorAttachmentIndex> ComputeStorageAttachmentPackingInColorAttachments() const;
struct EqualityFunc {
bool operator()(const AttachmentState* a, const AttachmentState* b) const;
};
size_t ComputeContentHash() override;
protected:
void DeleteThis() override;
private:
ColorAttachmentMask mColorAttachmentsSet;
PerColorAttachment<wgpu::TextureFormat> mColorFormats;
// Default (texture format Undefined) indicates there is no depth stencil attachment.
wgpu::TextureFormat mDepthStencilFormat = wgpu::TextureFormat::Undefined;
uint32_t mSampleCount = 0;
ExpandResolveInfo mExpandResolveInfo;
bool mHasPLS = false;
std::vector<wgpu::TextureFormat> mStorageAttachmentSlots;
};
} // namespace dawn::native
#endif // SRC_DAWN_NATIVE_ATTACHMENTSTATE_H_