3 files changed, 13 insertions, 3 deletions

diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index 079132135..b198793bc 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -502,8 +502,8 @@ Texture::FullTextureInfo Maxwell3D::GetTextureInfo(const Texture::TextureHandle
 
 Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
                                                     std::size_t offset) const {
-    auto& shader = state.shader_stages[static_cast<std::size_t>(stage)];
-    auto& tex_info_buffer = shader.const_buffers[regs.tex_cb_index];
+    const auto& shader = state.shader_stages[static_cast<std::size_t>(stage)];
+    const auto& tex_info_buffer = shader.const_buffers[regs.tex_cb_index];
     ASSERT(tex_info_buffer.enabled && tex_info_buffer.address != 0);
 
     const GPUVAddr tex_info_address =
@@ -529,4 +529,12 @@ void Maxwell3D::ProcessClearBuffers() {
     rasterizer.Clear();
 }
 
+u32 Maxwell3D::AccessConstBuffer32(Regs::ShaderStage stage, u64 const_buffer, u64 offset) const {
+    const auto& shader_stage = state.shader_stages[static_cast<std::size_t>(stage)];
+    const auto& buffer = shader_stage.const_buffers[const_buffer];
+    u32 result;
+    std::memcpy(&result, memory_manager.GetPointer(buffer.address + offset), sizeof(u32));
+    return result;
+}
+
 } // namespace Tegra::Engines
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index fd2c35a01..cc2424d38 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -1141,6 +1141,8 @@ public:
     /// Returns the texture information for a specific texture in a specific shader stage.
     Texture::FullTextureInfo GetStageTexture(Regs::ShaderStage stage, std::size_t offset) const;
 
+    u32 AccessConstBuffer32(Regs::ShaderStage stage, u64 const_buffer, u64 offset) const;
+
     /// Memory for macro code - it's undetermined how big this is, however 1MB is much larger than
     /// we've seen used.
     using MacroMemory = std::array<u32, 0x40000>;
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index f7ef9a32a..a7ef5da9a 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -976,7 +976,7 @@ union Instruction {
         BitField<37, 3, TextureProcessMode> process_mode;
 
         bool IsComponentEnabled(std::size_t component) const {
-            return ((1ull << component) & component_mask) != 0;
+            return ((1ULL << component) & component_mask) != 0;
         }
 
         TextureProcessMode GetTextureProcessMode() const {