From 57982df105a6d149cc82292541184e6ceabc288c Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Wed, 8 Aug 2018 02:07:44 -0400
Subject: maxwell_3d: Use correct const buffer size and check bounds.
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- Fixes mem corruption with Super Mario Odyssey and Pokkén Tournament DX.
---
 src/video_core/renderer_opengl/gl_rasterizer.cpp | 5 ++++-
 src/video_core/renderer_opengl/gl_state.h        | 6 +++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

(limited to 'src/video_core/renderer_opengl')

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index c2a931469..601a1084b 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -659,7 +659,10 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, GLuint progr
         auto& buffer_draw_state =
             state.draw.const_buffers[static_cast<size_t>(stage)][used_buffer.GetIndex()];
 
-        ASSERT_MSG(buffer.enabled, "Attempted to upload disabled constbuffer");
+        if (!buffer.enabled) {
+            continue;
+        }
+
         buffer_draw_state.enabled = true;
         buffer_draw_state.bindpoint = current_bindpoint + bindpoint;
 
diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h
index 24b1d956b..5c7b636e4 100644
--- a/src/video_core/renderer_opengl/gl_state.h
+++ b/src/video_core/renderer_opengl/gl_state.h
@@ -7,6 +7,10 @@
 #include <array>
 #include <glad/glad.h>
 
+#include "video_core/engines/maxwell_3d.h"
+
+using Regs = Tegra::Engines::Maxwell3D::Regs;
+
 namespace TextureUnits {
 
 struct TextureUnit {
@@ -120,7 +124,7 @@ public:
             GLuint bindpoint;
             GLuint ssbo;
         };
-        std::array<std::array<ConstBufferConfig, 16>, 5> const_buffers{};
+        std::array<std::array<ConstBufferConfig, Regs::MaxConstBuffers>, 5> const_buffers;
     } draw;
 
     struct {
-- 
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