From 52544933d294b5bce1bd8e6b57478c2767f73606 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Sun, 27 Aug 2023 06:40:31 +0200 Subject: Maxwell3D: Improve Index buffer size estimation. --- src/video_core/engines/maxwell_3d.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp index c3696096d..06e349e43 100644 --- a/src/video_core/engines/maxwell_3d.cpp +++ b/src/video_core/engines/maxwell_3d.cpp @@ -257,6 +257,7 @@ u32 Maxwell3D::GetMaxCurrentVertices() { const u32 address_size = static_cast(gpu_addr_end - gpu_addr_begin); num_vertices = std::max( num_vertices, address_size / std::max(attribute.SizeInBytes(), array.stride.Value())); + break; } return num_vertices; } @@ -269,10 +270,13 @@ size_t Maxwell3D::EstimateIndexBufferSize() { std::numeric_limits::max()}; const size_t byte_size = regs.index_buffer.FormatSizeInBytes(); 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(static_cast(end_address - start_address), cap); return std::min( memory_manager.GetMemoryLayoutSize(start_address, byte_size * max_sizes[log2_byte_size]) / byte_size, - static_cast(end_address - start_address)); + lower_cap); } u32 Maxwell3D::ProcessShadowRam(u32 method, u32 argument) { -- cgit v1.2.3