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79 lines
2.9 KiB
C++
79 lines
2.9 KiB
C++
#ifndef EMULATOR_SRC_GRAPHICS_HOST_GPU_RENDERER_RENDERTARGET_H_
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#define EMULATOR_SRC_GRAPHICS_HOST_GPU_RENDERER_RENDERTARGET_H_
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#include "graphics/host_gpu/vulkanCommon.h"
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#include <cstdint>
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#include <type_traits>
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namespace Libs::Graphics {
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static constexpr uint32_t RENDER_COLOR_ATTACHMENTS_MAX = 8;
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inline constexpr bool depth_msaa_single_sample_compatible(uint32_t encoded_fragments) {
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return encoded_fragments == 1 || encoded_fragments == 2;
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}
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inline constexpr bool color_msaa_single_sample_compatible(uint32_t encoded_samples,
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uint32_t encoded_fragments) {
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return encoded_samples == encoded_fragments &&
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depth_msaa_single_sample_compatible(encoded_fragments);
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}
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enum class TargetViewType : uint8_t { Image2D, Image2DArray, Unsupported };
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struct TargetViewInfo {
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TargetViewType type = TargetViewType::Unsupported;
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uint32_t base_layer = 0;
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uint32_t layer_count = 0;
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uint32_t image_layers = 0;
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};
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inline constexpr TargetViewInfo ResolveTargetViewInfo(uint32_t base_layer, uint32_t last_layer,
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uint32_t draw_layer_offset = 0) {
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if (base_layer > last_layer || draw_layer_offset != 0) {
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return {};
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}
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return {base_layer == last_layer ? TargetViewType::Image2D : TargetViewType::Image2DArray,
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base_layer, last_layer - base_layer + 1u, last_layer + 1u};
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}
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#pragma pack(push, 1)
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struct PipelineStencilStaticState {
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vk::StencilOp failOp = vk::StencilOp::eKeep;
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vk::StencilOp passOp = vk::StencilOp::eKeep;
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vk::StencilOp depthFailOp = vk::StencilOp::eKeep;
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vk::CompareOp compareOp = vk::CompareOp::eNever;
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};
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struct PipelineStencilDynamicState {
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uint32_t compareMask = 0;
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uint32_t writeMask = 0;
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uint32_t reference = 0;
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};
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#pragma pack(pop)
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inline constexpr bool stencil_face_accesses_attachment(const PipelineStencilStaticState& state,
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const PipelineStencilDynamicState& dynamic) {
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return state.compareOp != vk::CompareOp::eAlways ||
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(dynamic.writeMask != 0 &&
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(state.failOp != vk::StencilOp::eKeep || state.passOp != vk::StencilOp::eKeep ||
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state.depthFailOp != vk::StencilOp::eKeep));
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}
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static_assert(std::is_trivially_copyable_v<PipelineStencilStaticState>);
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static_assert(std::is_standard_layout_v<PipelineStencilStaticState>);
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static_assert(alignof(PipelineStencilStaticState) == 1);
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static_assert(sizeof(PipelineStencilStaticState) ==
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sizeof(vk::StencilOp) * 3 + sizeof(vk::CompareOp));
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static_assert(std::is_trivially_copyable_v<PipelineStencilDynamicState>);
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static_assert(std::is_standard_layout_v<PipelineStencilDynamicState>);
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static_assert(alignof(PipelineStencilDynamicState) == 1);
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static_assert(sizeof(PipelineStencilDynamicState) == sizeof(uint32_t) * 3);
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} // namespace Libs::Graphics
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#endif // EMULATOR_SRC_GRAPHICS_HOST_GPU_RENDERER_RENDERTARGET_H_
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