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/*
* 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/GrVkDefines.h"
struct GrVkInterface;
class GrGLSLCaps;
/**
* 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, uint32_t featureFlags, uint32_t extensionFlags);
bool isConfigTexturable(GrPixelConfig config) const override {
SkASSERT(kGrPixelConfigCnt > config);
return fConfigTextureSupport[config];
}
bool isConfigRenderable(GrPixelConfig config, bool withMSAA) const override {
SkASSERT(kGrPixelConfigCnt > config);
return fConfigRenderSupport[config][withMSAA];
}
bool isConfigRenderableLinearly(GrPixelConfig config, bool withMSAA) const {
SkASSERT(kGrPixelConfigCnt > config);
return fConfigLinearRenderSupport[config][withMSAA];
}
bool isConfigTexurableLinearly(GrPixelConfig config) const {
SkASSERT(kGrPixelConfigCnt > config);
return fConfigLinearTextureSupport[config];
}
bool canUseGLSLForShaderModule() const {
return fCanUseGLSLForShaderModule;
}
/**
* Gets an array of legal stencil formats. These formats are not guaranteed to be supported by
* the driver but are legal VK_TEXTURE_FORMATs.
*/
const SkTArray<StencilFormat, true>& stencilFormats() const {
return fStencilFormats;
}
/**
* Gets an array of legal stencil formats. These formats are not guaranteed to be supported by
* the driver but are legal VK_TEXTURE_FORMATs.
*/
const SkTArray<StencilFormat, true>& linearStencilFormats() const {
return fLinearStencilFormats;
}
GrGLSLCaps* glslCaps() const { return reinterpret_cast<GrGLSLCaps*>(fShaderCaps.get()); }
private:
void init(const GrContextOptions& contextOptions, const GrVkInterface* vkInterface,
VkPhysicalDevice device, uint32_t featureFlags, uint32_t extensionFlags);
void initGrCaps(const VkPhysicalDeviceProperties&,
const VkPhysicalDeviceMemoryProperties&,
uint32_t featureFlags);
void initGLSLCaps(const VkPhysicalDeviceProperties&, uint32_t featureFlags);
void initSampleCount(const VkPhysicalDeviceProperties& properties);
void initConfigRenderableTable(const GrVkInterface* iface, VkPhysicalDevice physDev);
void initConfigTexturableTable(const GrVkInterface* iface, VkPhysicalDevice physDev);
void initStencilFormats(const GrVkInterface* iface, VkPhysicalDevice physDev);
bool fConfigTextureSupport[kGrPixelConfigCnt];
// For Vulkan we track whether a config is supported linearly (without need for swizzling)
bool fConfigLinearTextureSupport[kGrPixelConfigCnt];
// The first entry for each config is without msaa and the second is with.
bool fConfigRenderSupport[kGrPixelConfigCnt][2];
// The first entry for each config is without msaa and the second is with.
bool fConfigLinearRenderSupport[kGrPixelConfigCnt][2];
SkTArray<StencilFormat, true> fLinearStencilFormats;
SkTArray<StencilFormat, true> fStencilFormats;
// Tells of if we can pass in straight GLSL string into vkCreateShaderModule
bool fCanUseGLSLForShaderModule;
typedef GrCaps INHERITED;
};
#endif
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