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renderer_vulkan: add support for Polygon draws (#1798)

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Daniel R. 2024-12-21 10:20:24 +01:00 • committed by GitHub
parent 39fed1f469
commit 8d8bb05055
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GPG key ID: B5690EEEBB952194
4 changed files with 43 additions and 10 deletions
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1
src/video_core/renderer_vulkan/liverpool_to_vk.cpp
View file

@ -117,6 +117,7 @@ vk::PrimitiveTopology PrimitiveType(AmdGpu::PrimitiveType type) {
case AmdGpu::PrimitiveType::PatchPrimitive:
return vk::PrimitiveTopology::ePatchList;
case AmdGpu::PrimitiveType::QuadList:
case AmdGpu::PrimitiveType::Polygon:
// Needs to generate index buffer on the fly.
return vk::PrimitiveTopology::eTriangleList;
case AmdGpu::PrimitiveType::RectList:

9
src/video_core/renderer_vulkan/liverpool_to_vk.h
View file

@ -98,6 +98,15 @@ void ConvertQuadToTriangleListIndices(u8* out_ptr, const u8* in_ptr, u32 num_ver
}
}
inline void EmitPolygonToTriangleListIndices(u8* out_ptr, u32 num_vertices) {
u16* out_data = reinterpret_cast<u16*>(out_ptr);
for (u16 i = 1; i < num_vertices - 1; i++) {
*out_data++ = 0;
*out_data++ = i;
*out_data++ = i + 1;
}
}
static inline vk::Format PromoteFormatToDepth(vk::Format fmt) {
if (fmt == vk::Format::eR32Sfloat) {
return vk::Format::eD32Sfloat;

7
src/video_core/renderer_vulkan/vk_rasterizer.cpp
View file

@ -246,11 +246,12 @@ void Rasterizer::DrawIndirect(bool is_indexed, VAddr arg_address, u32 offset, u3
}
const auto& regs = liverpool->regs;
if (regs.primitive_type == AmdGpu::PrimitiveType::QuadList) {
// For QuadList we use generated index buffer to convert quads to triangles. Since it
if (regs.primitive_type == AmdGpu::PrimitiveType::QuadList ||
regs.primitive_type == AmdGpu::PrimitiveType::Polygon) {
// We use a generated index buffer to convert quad lists and polygons to triangles. Since it
// changes type of the draw, arguments are not valid for this case. We need to run a
// conversion pass to repack the indirect arguments buffer first.
LOG_WARNING(Render_Vulkan, "QuadList primitive type is not supported for indirect draw");
LOG_WARNING(Render_Vulkan, "Primitive type is not supported for indirect draw");
return;
}