Split renderState header

2026-10-20 19:07:01 +02:00 · 2026-07-17 14:04:59 +02:00
parent 5aafe5159b
commit f9af3d15ff
27 changed files with 445 additions and 325 deletions
@@ -0,0 +1,76 @@
+#ifndef EMULATOR_SRC_GRAPHICS_HOST_GPU_RENDERER_RENDERTARGET_H_
+#define EMULATOR_SRC_GRAPHICS_HOST_GPU_RENDERER_RENDERTARGET_H_
+
+#include <cstdint>
+#include <type_traits>
+#include <vulkan/vulkan_core.h>
+
+namespace Libs::Graphics {
+
+static constexpr uint32_t RENDER_COLOR_ATTACHMENTS_MAX = 8;
+
+inline constexpr bool depth_msaa_single_sample_compatible(uint32_t encoded_fragments) {
+	return encoded_fragments == 1 || encoded_fragments == 2;
+}
+
+inline constexpr bool color_msaa_single_sample_compatible(uint32_t encoded_samples,
+                                                          uint32_t encoded_fragments) {
+	return encoded_samples == encoded_fragments &&
+	       depth_msaa_single_sample_compatible(encoded_fragments);
+}
+
+enum class TargetViewType : uint8_t { Image2D, Image2DArray, Unsupported };
+
+struct TargetViewInfo {
+	TargetViewType type         = TargetViewType::Unsupported;
+	uint32_t       base_layer   = 0;
+	uint32_t       layer_count  = 0;
+	uint32_t       image_layers = 0;
+};
+
+inline constexpr TargetViewInfo ResolveTargetViewInfo(uint32_t base_layer, uint32_t last_layer,
+                                                      uint32_t draw_layer_offset = 0) {
+	if (base_layer > last_layer || draw_layer_offset != 0) {
+		return {};
+	}
+	return {base_layer == last_layer ? TargetViewType::Image2D : TargetViewType::Image2DArray,
+	        base_layer, last_layer - base_layer + 1u, last_layer + 1u};
+}
+
+#pragma pack(push, 1)
+
+struct PipelineStencilStaticState {
+	VkStencilOp failOp      = VK_STENCIL_OP_KEEP;
+	VkStencilOp passOp      = VK_STENCIL_OP_KEEP;
+	VkStencilOp depthFailOp = VK_STENCIL_OP_KEEP;
+	VkCompareOp compareOp   = VK_COMPARE_OP_NEVER;
+};
+
+struct PipelineStencilDynamicState {
+	uint32_t compareMask = 0;
+	uint32_t writeMask   = 0;
+	uint32_t reference   = 0;
+};
+
+#pragma pack(pop)
+
+inline constexpr bool stencil_face_accesses_attachment(const PipelineStencilStaticState&  state,
+                                                       const PipelineStencilDynamicState& dynamic) {
+	return state.compareOp != VK_COMPARE_OP_ALWAYS ||
+	       (dynamic.writeMask != 0 &&
+	        (state.failOp != VK_STENCIL_OP_KEEP || state.passOp != VK_STENCIL_OP_KEEP ||
+	         state.depthFailOp != VK_STENCIL_OP_KEEP));
+}
+
+static_assert(std::is_trivially_copyable_v<PipelineStencilStaticState>);
+static_assert(std::is_standard_layout_v<PipelineStencilStaticState>);
+static_assert(alignof(PipelineStencilStaticState) == 1);
+static_assert(sizeof(PipelineStencilStaticState) == sizeof(VkStencilOp) * 3 + sizeof(VkCompareOp));
+static_assert(std::is_trivially_copyable_v<PipelineStencilDynamicState>);
+static_assert(std::is_standard_layout_v<PipelineStencilDynamicState>);
+static_assert(alignof(PipelineStencilDynamicState) == 1);
+static_assert(sizeof(PipelineStencilDynamicState) == sizeof(uint32_t) * 3);
+
+} // namespace Libs::Graphics
+
+#endif // EMULATOR_SRC_GRAPHICS_HOST_GPU_RENDERER_RENDERTARGET_H_