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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.
This commit is contained in:
bunnei 2018-08-08 02:07:44 -04:00
parent 4fa3511a63
commit 57982df105
4 changed files with 12 additions and 3 deletions
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2
src/video_core/engines/maxwell_3d.cpp
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@ -238,6 +238,8 @@ void Maxwell3D::ProcessCBBind(Regs::ShaderStage stage) {
auto& buffer = shader.const_buffers[bind_data.index];
ASSERT(bind_data.index < Regs::MaxConstBuffers);
buffer.enabled = bind_data.valid.Value() != 0;
buffer.index = bind_data.index;
buffer.address = regs.const_buffer.BufferAddress();

2
src/video_core/engines/maxwell_3d.h
View file

@ -44,7 +44,7 @@ public:
static constexpr size_t MaxShaderProgram = 6;
static constexpr size_t MaxShaderStage = 5;
// Maximum number of const buffers per shader stage.
static constexpr size_t MaxConstBuffers = 16;
static constexpr size_t MaxConstBuffers = 18;
enum class QueryMode : u32 {
Write = 0,

5
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -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;

6
src/video_core/renderer_opengl/gl_state.h
View file

@ -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 {