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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrVkResourceProvider_DEFINED
#define GrVkResourceProvider_DEFINED
#include "GrVkDescriptorPool.h"
#include "GrVkResource.h"
#include "GrVkUtil.h"
#include "SkTArray.h"
#include "vulkan/vulkan.h"
class GrPipeline;
class GrPrimitiveProcessor;
class GrVkCommandBuffer;
class GrVkGpu;
class GrVkPipeline;
class GrVkRenderPass;
class GrVkRenderTarget;
class GrVkResourceProvider {
public:
GrVkResourceProvider(GrVkGpu* gpu);
~GrVkResourceProvider();
// Set up any initial vk objects
void init();
GrVkPipeline* createPipeline(const GrPipeline& pipeline,
const GrPrimitiveProcessor& primProc,
VkPipelineShaderStageCreateInfo* shaderStageInfo,
int shaderStageCount,
GrPrimitiveType primitiveType,
const GrVkRenderPass& renderPass,
VkPipelineLayout layout);
// Finds or creates a simple render pass that matches the target, increments the refcount,
// and returns.
const GrVkRenderPass* findOrCreateCompatibleRenderPass(const GrVkRenderTarget& target);
GrVkCommandBuffer* createCommandBuffer();
void checkCommandBuffers();
// Finds or creates a compatible GrVkDescriptorPool for the requested DescriptorTypeCount.
// The refcount is incremented and a pointer returned.
// TODO: Currently this will just create a descriptor pool without holding onto a ref itself
// so we currently do not reuse them. Rquires knowing if another draw is currently using
// the GrVkDescriptorPool, the ability to reset pools, and the ability to purge pools out
// of our cache of GrVkDescriptorPools.
GrVkDescriptorPool* findOrCreateCompatibleDescriptorPool(
const GrVkDescriptorPool::DescriptorTypeCounts& typeCounts);
// Destroy any cached resources. To be called before destroying the VkDevice.
// The assumption is that all queues are idle and all command buffers are finished.
// For resource tracing to work properly, this should be called after unrefing all other
// resource usages.
void destroyResources();
// Abandon any cached resources. To be used when the context/VkDevice is lost.
// For resource tracing to work properly, this should be called after unrefing all other
// resource usages.
void abandonResources();
private:
GrVkGpu* fGpu;
// Central cache for creating pipelines
VkPipelineCache fPipelineCache;
// Array of RenderPasses that only have a single color attachment, optional stencil attachment,
// optional resolve attachment, and only one subpass
SkSTArray<4, GrVkRenderPass*> fSimpleRenderPasses;
// Array of CommandBuffers that are currently in flight
SkSTArray<4, GrVkCommandBuffer*> fActiveCommandBuffers;
};
#endif
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