ppsspp/GPU/Vulkan/VulkanUtil.h
2022-08-06 18:27:03 +02:00

91 lines
3.2 KiB
C++

// Copyright (c) 2016- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#pragma once
#include <tuple>
#include <map>
#include "Common/Data/Collections/Hashmaps.h"
#include "Common/GPU/Vulkan/VulkanContext.h"
#include "Common/GPU/Vulkan/VulkanImage.h"
#include "Common/GPU/Vulkan/VulkanLoader.h"
#include "Common/GPU/Vulkan/VulkanMemory.h"
extern const VkComponentMapping VULKAN_4444_SWIZZLE;
extern const VkComponentMapping VULKAN_1555_SWIZZLE;
extern const VkComponentMapping VULKAN_565_SWIZZLE;
extern const VkComponentMapping VULKAN_8888_SWIZZLE;
// Note: some drivers prefer B4G4R4A4_UNORM_PACK16 over R4G4B4A4_UNORM_PACK16.
#define VULKAN_4444_FORMAT VK_FORMAT_B4G4R4A4_UNORM_PACK16
#define VULKAN_1555_FORMAT VK_FORMAT_A1R5G5B5_UNORM_PACK16
#define VULKAN_565_FORMAT VK_FORMAT_B5G6R5_UNORM_PACK16 // TODO: Does not actually have mandatory support, though R5G6B5 does! See #14602
#define VULKAN_8888_FORMAT VK_FORMAT_R8G8B8A8_UNORM
// Manager for compute shaders that upload things (and those have two bindings: a storage buffer to read from and an image to write to).
class VulkanComputeShaderManager {
public:
VulkanComputeShaderManager(VulkanContext *vulkan);
~VulkanComputeShaderManager();
void DeviceLost() {
DestroyDeviceObjects();
}
void DeviceRestore(VulkanContext *vulkan) {
vulkan_ = vulkan;
InitDeviceObjects();
}
// Note: This doesn't cache. The descriptor is for immediate use only.
VkDescriptorSet GetDescriptorSet(VkImageView image, VkBuffer buffer, VkDeviceSize offset, VkDeviceSize range, VkBuffer buffer2 = VK_NULL_HANDLE, VkDeviceSize offset2 = 0, VkDeviceSize range2 = 0);
// This of course caches though.
VkPipeline GetPipeline(VkShaderModule cs);
VkPipelineLayout GetPipelineLayout() const { return pipelineLayout_; }
void BeginFrame();
void EndFrame();
private:
void InitDeviceObjects();
void DestroyDeviceObjects();
VulkanContext *vulkan_ = nullptr;
VkDescriptorSetLayout descriptorSetLayout_ = VK_NULL_HANDLE;
VkPipelineLayout pipelineLayout_ = VK_NULL_HANDLE;
VkPipelineCache pipelineCache_ = VK_NULL_HANDLE;
struct FrameData {
FrameData() : descPool("VulkanComputeShaderManager", true) {
descPool.Setup([this] { });
}
VulkanDescSetPool descPool;
};
FrameData frameData_[VulkanContext::MAX_INFLIGHT_FRAMES];
struct PipelineKey {
VkShaderModule module;
};
DenseHashMap<PipelineKey, VkPipeline, (VkPipeline)VK_NULL_HANDLE> pipelines_;
};
VkShaderModule CompileShaderModule(VulkanContext *vulkan, VkShaderStageFlagBits stage, const char *code, std::string *error);