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renderer_vulkan: Add support for indexed QuadList draw. (#1661)

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squidbus 2024-12-04 01:15:58 -08:00 • committed by GitHub
parent 6bf93071cf
commit 74b091fd08
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3 changed files with 54 additions and 15 deletions
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28
src/video_core/buffer_cache/buffer_cache.cpp
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@ -236,7 +236,7 @@ bool BufferCache::BindVertexBuffers(const Shader::Info& vs_info) {
u32 BufferCache::BindIndexBuffer(bool& is_indexed, u32 index_offset) {
// Emulate QuadList primitive type with CPU made index buffer.
const auto& regs = liverpool->regs;
if (regs.primitive_type == AmdGpu::PrimitiveType::QuadList) {
if (regs.primitive_type == AmdGpu::PrimitiveType::QuadList && !is_indexed) {
is_indexed = true;
// Emit indices.
@ -262,6 +262,32 @@ u32 BufferCache::BindIndexBuffer(bool& is_indexed, u32 index_offset) {
VAddr index_address = regs.index_base_address.Address<VAddr>();
index_address += index_offset * index_size;
if (regs.primitive_type == AmdGpu::PrimitiveType::QuadList) {
// Convert indices.
const u32 new_index_size = regs.num_indices * index_size * 6 / 4;
const auto [data, offset] = stream_buffer.Map(new_index_size);
const auto index_ptr = reinterpret_cast<u8*>(index_address);
switch (index_type) {
case vk::IndexType::eUint16:
Vulkan::LiverpoolToVK::ConvertQuadToTriangleListIndices<u16>(data, index_ptr,
regs.num_indices);
break;
case vk::IndexType::eUint32:
Vulkan::LiverpoolToVK::ConvertQuadToTriangleListIndices<u32>(data, index_ptr,
regs.num_indices);
break;
default:
UNREACHABLE_MSG("Unsupported QuadList index type {}", vk::to_string(index_type));
break;
}
stream_buffer.Commit();
// Bind index buffer.
const auto cmdbuf = scheduler.CommandBuffer();
cmdbuf.bindIndexBuffer(stream_buffer.Handle(), offset, index_type);
return new_index_size / index_size;
}
// Bind index buffer.
const u32 index_buffer_size = regs.num_indices * index_size;
const auto [vk_buffer, offset] = ObtainBuffer(index_address, index_buffer_size, false);