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graphics: pass the real patch control point count for tessellation

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Tessellation draws were created with a hardcoded 3 control points per patch.
Take the count from VGT_LS_HS_CONFIG.HS_NUM_INPUT_CP instead, and key the
pipeline cache on it so patches of different sizes do not share a pipeline.
This commit is contained in:
Mac
2026-08-31 23:40:51 +05:30
parent ce782ef77f
commit 3cd6ff0a3f
7 changed files with 373 additions and 53 deletions
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src/graphics/host_gpu/renderer/pipeline/pipelineCache.h
+5 -2
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@@ -38,6 +38,7 @@ struct PipelineStaticParameters {
bool depth_clip_enable = true;
int scissor_ltrb[4] = {0};
vk::PrimitiveTopology topology = vk::PrimitiveTopology::ePointList;
uint32_t patch_control_points = 3;
bool primitive_restart_enable = false;
uint32_t samples = 1;
bool sample_shading_enable = false;
@@ -80,7 +81,8 @@ static_assert(std::is_standard_layout_v<PipelineStaticParameters>);
static_assert(alignof(PipelineStaticParameters) == 1);
static_assert(sizeof(PipelineStaticParameters) ==
sizeof(float[3]) + sizeof(float[3]) + sizeof(bool) * 2 + sizeof(int[4]) +
sizeof(vk::PrimitiveTopology) + sizeof(bool) + sizeof(uint32_t) +
sizeof(vk::PrimitiveTopology) + sizeof(uint32_t) + sizeof(bool) +
sizeof(uint32_t) +
sizeof(bool) * 4 + sizeof(vk::CompareOp) + sizeof(bool) + sizeof(float) * 2 +
sizeof(bool) + sizeof(PipelineStencilStaticState) * 2 + sizeof(uint32_t) +
sizeof(uint32_t[RENDER_COLOR_ATTACHMENTS_MAX]) + sizeof(bool) * 3 +
@@ -144,7 +146,8 @@ public:
std::span<const RenderColorInfo> colors, const RenderDepthInfo& depth,
const ShaderVertexInputInfo& vs_input_info, CommandBuffer& command,
const ShaderPixelInputInfo* ps_input_info, vk::PrimitiveTopology topology,
bool primitive_restart_enable, const ShaderProgram& vertex_program,
bool primitive_restart_enable, uint32_t patch_control_points,
const ShaderProgram& vertex_program,
const ShaderProgram& pixel_program);
ComputePipeline& CreateComputePipeline(ShaderComputeInputInfo& input_info,
const ShaderProgram& compute_program);