From 436457b6e780ee21fc4d69f1ffc652e39c320f2c Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Thu, 21 Jan 2021 19:44:05 -0300 Subject: gl_shader_decompiler: Fix constant buffer size calculation The divide logic was wrong and can cause an uniform buffer size overflow. --- src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/video_core') diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 2e1fa252d..c35b71b6b 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -14,6 +14,7 @@ #include "common/alignment.h" #include "common/assert.h" #include "common/common_types.h" +#include "common/div_ceil.h" #include "common/logging/log.h" #include "video_core/engines/maxwell_3d.h" #include "video_core/engines/shader_type.h" @@ -877,7 +878,7 @@ private: u32 binding = device.GetBaseBindings(stage).uniform_buffer; for (const auto& [index, info] : ir.GetConstantBuffers()) { - const u32 num_elements = Common::AlignUp(info.GetSize(), 4) / 4; + const u32 num_elements = Common::DivCeil(info.GetSize(), 4 * sizeof(u32)); const u32 size = info.IsIndirect() ? MAX_CONSTBUFFER_ELEMENTS : num_elements; code.AddLine("layout (std140, binding = {}) uniform {} {{", binding++, GetConstBufferBlock(index)); -- cgit v1.2.3