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Maxwell3D: Improve Index buffer size estimation.

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This commit is contained in:
Fernando Sahmkow 2023-08-27 06:40:31 +02:00
parent ada4697300
commit 52544933d2
1 changed files with 5 additions and 1 deletions
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6
src/video_core/engines/maxwell_3d.cpp
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@ -257,6 +257,7 @@ u32 Maxwell3D::GetMaxCurrentVertices() {
const u32 address_size = static_cast<u32>(gpu_addr_end - gpu_addr_begin); const u32 address_size = static_cast<u32>(gpu_addr_end - gpu_addr_begin);
num_vertices = std::max( num_vertices = std::max(
num_vertices, address_size / std::max(attribute.SizeInBytes(), array.stride.Value())); num_vertices, address_size / std::max(attribute.SizeInBytes(), array.stride.Value()));
break;
} }
return num_vertices; return num_vertices;
} }
@ -269,10 +270,13 @@ size_t Maxwell3D::EstimateIndexBufferSize() {
std::numeric_limits<u32>::max()}; std::numeric_limits<u32>::max()};
const size_t byte_size = regs.index_buffer.FormatSizeInBytes(); const size_t byte_size = regs.index_buffer.FormatSizeInBytes();
const size_t log2_byte_size = Common::Log2Ceil64(byte_size); const size_t log2_byte_size = Common::Log2Ceil64(byte_size);
const size_t cap{GetMaxCurrentVertices() * 3 * byte_size};
const size_t lower_cap =
std::min<size_t>(static_cast<size_t>(end_address - start_address), cap);
return std::min<size_t>( return std::min<size_t>(
memory_manager.GetMemoryLayoutSize(start_address, byte_size * max_sizes[log2_byte_size]) / memory_manager.GetMemoryLayoutSize(start_address, byte_size * max_sizes[log2_byte_size]) /
byte_size, byte_size,
static_cast<size_t>(end_address - start_address)); lower_cap);
} }
u32 Maxwell3D::ProcessShadowRam(u32 method, u32 argument) { u32 Maxwell3D::ProcessShadowRam(u32 method, u32 argument) {