/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrVkCaps_DEFINED
#define GrVkCaps_DEFINED
#include "GrCaps.h"
#include "GrVkStencilAttachment.h"
#include "vk/GrVkTypes.h"
class GrShaderCaps;
class GrVkExtensions;
struct GrVkInterface;
/**
* Stores some capabilities of a Vk backend.
*/
class GrVkCaps : public GrCaps {
public:
typedef GrVkStencilAttachment::Format StencilFormat;
/**
* Creates a GrVkCaps that is set such that nothing is supported. The init function should
* be called to fill out the caps.
*/
GrVkCaps(const GrContextOptions& contextOptions, const GrVkInterface* vkInterface,
VkPhysicalDevice device, const VkPhysicalDeviceFeatures2& features,
uint32_t instanceVersion, uint32_t physicalDeviceVersion,
const GrVkExtensions& extensions);
bool isConfigTexturable(GrPixelConfig config) const override {
return SkToBool(ConfigInfo::kTextureable_Flag & fConfigTable[config].fOptimalFlags);
}
bool isConfigCopyable(GrPixelConfig config) const override {
return true;
}
int getRenderTargetSampleCount(int requestedCount, GrPixelConfig config) const override;
int maxRenderTargetSampleCount(GrPixelConfig config) const override;
bool surfaceSupportsReadPixels(const GrSurface*) const override { return true; }
bool isConfigTexturableLinearly(GrPixelConfig config) const {
return SkToBool(ConfigInfo::kTextureable_Flag & fConfigTable[config].fLinearFlags);
}
bool isConfigRenderableLinearly(GrPixelConfig config, bool withMSAA) const {
return !withMSAA && SkToBool(ConfigInfo::kRenderable_Flag &
fConfigTable[config].fLinearFlags);
}
bool configCanBeDstofBlit(GrPixelConfig config, bool linearTiled) const {
const uint16_t& flags = linearTiled ? fConfigTable[config].fLinearFlags :
fConfigTable[config].fOptimalFlags;
return SkToBool(ConfigInfo::kBlitDst_Flag & flags);
}
bool configCanBeSrcofBlit(GrPixelConfig config, bool linearTiled) const {
const uint16_t& flags = linearTiled ? fConfigTable[config].fLinearFlags :
fConfigTable[config].fOptimalFlags;
return SkToBool(ConfigInfo::kBlitSrc_Flag & flags);
}
// On Adreno vulkan, they do not respect the imageOffset parameter at least in
// copyImageToBuffer. This flag says that we must do the copy starting from the origin always.
bool mustDoCopiesFromOrigin() const {
return fMustDoCopiesFromOrigin;
}
// Sometimes calls to QueueWaitIdle return before actually signalling the fences
// on the command buffers even though they have completed. This causes an assert to fire when
// destroying the command buffers. Therefore we add a sleep to make sure the fence signals.
bool mustSleepOnTearDown() const {
return fMustSleepOnTearDown;
}
// Returns true if while adding commands to command buffers, we must make a new command buffer
// everytime we want to bind a new VkPipeline. This is true for both primary and secondary
// command buffers. This is to work around a driver bug specifically on AMD.
bool newCBOnPipelineChange() const {
return fNewCBOnPipelineChange;
}
// Returns true if we should always make dedicated allocations for VkImages.
bool shouldAlwaysUseDedicatedImageMemory() const {
return fShouldAlwaysUseDedicatedImageMemory;
}
/**
* Returns both a supported and most preferred stencil format to use in draws.
*/
const StencilFormat& preferredStencilFormat() const {
return fPreferredStencilFormat;
}
// Returns whether the device supports the ability to extend VkPhysicalDeviceProperties struct.
bool supportsPhysicalDeviceProperties2() const { return fSupportsPhysicalDeviceProperties2; }
// Returns whether the device supports the ability to extend VkMemoryRequirements struct.
bool supportsMemoryRequirements2() const { return fSupportsMemoryRequirements2; }
// Returns whether the device supports the ability to extend the vkBindMemory call.
bool supportsBindMemory2() const { return fSupportsBindMemory2; }
// Returns whether or not the device suports the various API maintenance fixes to Vulkan 1.0. In
// Vulkan 1.1 all these maintenance are part of the core spec.
bool supportsMaintenance1() const { return fSupportsMaintenance1; }
bool supportsMaintenance2() const { return fSupportsMaintenance2; }
bool supportsMaintenance3() const { return fSupportsMaintenance3; }
// Returns true if the device supports passing in a flag to say we are using dedicated GPU when
// allocating memory. For some devices this allows them to return more optimized memory knowning
// they will never need to suballocate amonst multiple objects.
bool supportsDedicatedAllocation() const { return fSupportsDedicatedAllocation; }
// Returns true if the device supports importing of external memory into Vulkan memory.
bool supportsExternalMemory() const { return fSupportsExternalMemory; }
// Returns true if the device supports importing Android hardware buffers into Vulkan memory.
bool supportsAndroidHWBExternalMemory() const { return fSupportsAndroidHWBExternalMemory; }
// Returns true if it supports ycbcr conversion for samplers
bool supportsYcbcrConversion() const { return fSupportsYcbcrConversion; }
/**
* Helpers used by canCopySurface. In all cases if the SampleCnt parameter is zero that means
* the surface is not a render target, otherwise it is the number of samples in the render
* target.
*/
bool canCopyImage(GrPixelConfig dstConfig, int dstSampleCnt, GrSurfaceOrigin dstOrigin,
GrPixelConfig srcConfig, int srcSamplecnt, GrSurfaceOrigin srcOrigin) const;
bool canCopyAsBlit(GrPixelConfig dstConfig, int dstSampleCnt, bool dstIsLinear,
GrPixelConfig srcConfig, int srcSampleCnt, bool srcIsLinear) const;
bool canCopyAsResolve(GrPixelConfig dstConfig, int dstSampleCnt, GrSurfaceOrigin dstOrigin,
GrPixelConfig srcConfig, int srcSamplecnt,
GrSurfaceOrigin srcOrigin) const;
bool canCopyAsDraw(GrPixelConfig dstConfig, bool dstIsRenderable,
GrPixelConfig srcConfig, bool srcIsTextureable) const;
bool initDescForDstCopy(const GrRenderTargetProxy* src, GrSurfaceDesc* desc, GrSurfaceOrigin*,
bool* rectsMustMatch, bool* disallowSubrect) const override;
GrPixelConfig validateBackendRenderTarget(const GrBackendRenderTarget&,
SkColorType) const override;
GrPixelConfig getConfigFromBackendFormat(const GrBackendFormat&, SkColorType) const override;
GrPixelConfig getYUVAConfigFromBackendFormat(const GrBackendFormat&) const override;
GrBackendFormat getBackendFormatFromGrColorType(GrColorType ct,
GrSRGBEncoded srgbEncoded) const override;
private:
enum VkVendor {
kAMD_VkVendor = 4098,
kARM_VkVendor = 5045,
kImagination_VkVendor = 4112,
kIntel_VkVendor = 32902,
kNvidia_VkVendor = 4318,
kQualcomm_VkVendor = 20803,
};
void init(const GrContextOptions& contextOptions, const GrVkInterface* vkInterface,
VkPhysicalDevice device, const VkPhysicalDeviceFeatures2&,
uint32_t physicalDeviceVersion, const GrVkExtensions&);
void initGrCaps(const GrVkInterface* vkInterface,
VkPhysicalDevice physDev,
const VkPhysicalDeviceProperties&,
const VkPhysicalDeviceMemoryProperties&,
const VkPhysicalDeviceFeatures2&,
const GrVkExtensions&);
void initShaderCaps(const VkPhysicalDeviceProperties&, const VkPhysicalDeviceFeatures2&);
void initConfigTable(const GrVkInterface*, VkPhysicalDevice, const VkPhysicalDeviceProperties&);
void initStencilFormat(const GrVkInterface* iface, VkPhysicalDevice physDev);
uint8_t getYcbcrKeyFromYcbcrInfo(const GrVkYcbcrConversionInfo& info);
void applyDriverCorrectnessWorkarounds(const VkPhysicalDeviceProperties&);
bool onSurfaceSupportsWritePixels(const GrSurface*) const override;
bool onCanCopySurface(const GrSurfaceProxy* dst, const GrSurfaceProxy* src,
const SkIRect& srcRect, const SkIPoint& dstPoint) const override;
struct ConfigInfo {
ConfigInfo() : fOptimalFlags(0), fLinearFlags(0) {}
void init(const GrVkInterface*, VkPhysicalDevice, const VkPhysicalDeviceProperties&,
VkFormat);
static void InitConfigFlags(VkFormatFeatureFlags, uint16_t* flags);
void initSampleCounts(const GrVkInterface*, VkPhysicalDevice,
const VkPhysicalDeviceProperties&, VkFormat);
enum {
kTextureable_Flag = 0x1,
kRenderable_Flag = 0x2,
kBlitSrc_Flag = 0x4,
kBlitDst_Flag = 0x8,
};
uint16_t fOptimalFlags;
uint16_t fLinearFlags;
SkTDArray<int> fColorSampleCounts;
};
ConfigInfo fConfigTable[kGrPixelConfigCnt];
StencilFormat fPreferredStencilFormat;
SkSTArray<1, GrVkYcbcrConversionInfo> fYcbcrInfos;
bool fMustDoCopiesFromOrigin = false;
bool fMustSleepOnTearDown = false;
bool fNewCBOnPipelineChange = false;
bool fShouldAlwaysUseDedicatedImageMemory = false;
bool fSupportsPhysicalDeviceProperties2 = false;
bool fSupportsMemoryRequirements2 = false;
bool fSupportsBindMemory2 = false;
bool fSupportsMaintenance1 = false;
bool fSupportsMaintenance2 = false;
bool fSupportsMaintenance3 = false;
bool fSupportsDedicatedAllocation = false;
bool fSupportsExternalMemory = false;
bool fSupportsAndroidHWBExternalMemory = false;
bool fSupportsYcbcrConversion = false;
typedef GrCaps INHERITED;
};
#endif