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62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
#pragma once
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#include "Common/Vulkan/VulkanLoader.h"
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#include <cstring>
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class FramebufferManagerVulkan;
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struct VulkanDynamicState {
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VkViewport viewport;
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VkRect2D scissor;
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bool useBlendColor;
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uint32_t blendColor;
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bool useStencil;
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uint8_t stencilRef;
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uint8_t stencilWriteMask;
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uint8_t stencilCompareMask;
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};
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// Let's pack this tight using bitfields.
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// If an enable flag is set to 0, all the data fields for that section should
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// also be set to 0.
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// ~64 bits.
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// Can't use enums unfortunately, they end up signed and breaking values above half their ranges.
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struct VulkanPipelineRasterStateKey {
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// Blend
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unsigned int blendEnable : 1;
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unsigned int srcColor : 5; // VkBlendFactor
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unsigned int destColor : 5; // VkBlendFactor
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unsigned int srcAlpha : 5; // VkBlendFactor
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unsigned int destAlpha : 5; // VkBlendFactor
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// bool useBlendConstant : 1; // sacrifice a bit to cheaply check if we need to update the blend color
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unsigned int blendOpColor : 3; // VkBlendOp
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unsigned int blendOpAlpha : 3; // VkBlendOp
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unsigned int logicOpEnable : 1;
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unsigned int logicOp : 4; // VkLogicOp
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unsigned int colorWriteMask : 4;
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// Depth/Stencil
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unsigned int depthClampEnable : 1;
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unsigned int depthTestEnable : 1;
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unsigned int depthWriteEnable : 1;
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unsigned int depthCompareOp : 3; // VkCompareOp
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unsigned int stencilTestEnable : 1;
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unsigned int stencilCompareOp : 3; // VkCompareOp
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unsigned int stencilPassOp : 4; // VkStencilOp
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unsigned int stencilFailOp : 4; // VkStencilOp
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unsigned int stencilDepthFailOp : 4; // VkStencilOp
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// We'll use dynamic state for writemask, reference and comparemask to start with,
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// and viewport/scissor.
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// Rasterizer
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unsigned int cullMode : 2; // VkCullModeFlagBits
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unsigned int topology : 4; // VkPrimitiveTopology
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bool operator < (const VulkanPipelineRasterStateKey &other) const {
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size_t size = sizeof(VulkanPipelineRasterStateKey);
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return memcmp(this, &other, size) < 0;
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}
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};
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