5 files changed, 17 insertions, 24 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index d7328ff39..0e205ed72 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -75,14 +75,6 @@ void Maxwell3D::WriteReg(u32 method, u32 value, u32 remaining_params) {
         ProcessMacroUpload(value);
         break;
     }
-    case MAXWELL3D_REG_INDEX(code_address.code_address_high):
-    case MAXWELL3D_REG_INDEX(code_address.code_address_low): {
-        // Note: For some reason games (like Puyo Puyo Tetris) seem to write 0 to the CODE_ADDRESS
-        // register, we do not currently know if that's intended or a bug, so we assert it lest
-        // stuff breaks in other places (like the shader address calculation).
-        ASSERT_MSG(regs.code_address.CodeAddress() == 0, "Unexpected CODE_ADDRESS register value.");
-        break;
-    }
     case MAXWELL3D_REG_INDEX(const_buffer.cb_data[0]):
     case MAXWELL3D_REG_INDEX(const_buffer.cb_data[1]):
     case MAXWELL3D_REG_INDEX(const_buffer.cb_data[2]):
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index 58501ca8b..ba7b81571 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -24,6 +24,7 @@ enum class RenderTargetFormat : u32 {
     RGBA8_UNORM = 0xD5,
     RGBA8_SRGB = 0xD6,
     R11G11B10_FLOAT = 0xE0,
+    R8_UNORM = 0xF3,
 };
 
 enum class DepthFormat : u32 {
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 5d5ad84b7..a1c47bae9 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -5,6 +5,7 @@
 #include <algorithm>
 #include <memory>
 #include <string>
+#include <string_view>
 #include <tuple>
 #include <utility>
 #include <glad/glad.h>
@@ -37,11 +38,6 @@ MICROPROFILE_DEFINE(OpenGL_Blits, "OpenGL", "Blits", MP_RGB(100, 100, 255));
 MICROPROFILE_DEFINE(OpenGL_CacheManagement, "OpenGL", "Cache Mgmt", MP_RGB(100, 255, 100));
 
 RasterizerOpenGL::RasterizerOpenGL() {
-    has_ARB_buffer_storage = false;
-    has_ARB_direct_state_access = false;
-    has_ARB_separate_shader_objects = false;
-    has_ARB_vertex_attrib_binding = false;
-
     // Create sampler objects
     for (size_t i = 0; i < texture_samplers.size(); ++i) {
         texture_samplers[i].Create();
@@ -59,7 +55,8 @@ RasterizerOpenGL::RasterizerOpenGL() {
     GLint ext_num;
     glGetIntegerv(GL_NUM_EXTENSIONS, &ext_num);
     for (GLint i = 0; i < ext_num; i++) {
-        std::string extension{reinterpret_cast<const char*>(glGetStringi(GL_EXTENSIONS, i))};
+        const std::string_view extension{
+            reinterpret_cast<const char*>(glGetStringi(GL_EXTENSIONS, i))};
 
         if (extension == "GL_ARB_buffer_storage") {
             has_ARB_buffer_storage = true;
@@ -110,8 +107,6 @@ RasterizerOpenGL::RasterizerOpenGL() {
         glBindBufferBase(GL_UNIFORM_BUFFER, index, buffer.handle);
     }
 
-    accelerate_draw = AccelDraw::Disabled;
-
     glEnable(GL_BLEND);
 
     LOG_CRITICAL(Render_OpenGL, "Sync fixed function OpenGL state here!");
@@ -694,10 +689,12 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, GLuint progr
         glBindBuffer(GL_UNIFORM_BUFFER, 0);
 
         // Now configure the bindpoint of the buffer inside the shader
-        std::string buffer_name = used_buffer.GetName();
-        GLuint index = glGetProgramResourceIndex(program, GL_UNIFORM_BLOCK, buffer_name.c_str());
-        if (index != -1)
+        const std::string buffer_name = used_buffer.GetName();
+        const GLuint index =
+            glGetProgramResourceIndex(program, GL_UNIFORM_BLOCK, buffer_name.c_str());
+        if (index != GL_INVALID_INDEX) {
             glUniformBlockBinding(program, index, buffer_draw_state.bindpoint);
+        }
     }
 
     state.Apply();
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index ab06e2d95..e150be58f 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -135,10 +135,10 @@ private:
     /// Syncs the blend state to match the guest state
     void SyncBlendState();
 
-    bool has_ARB_buffer_storage;
-    bool has_ARB_direct_state_access;
-    bool has_ARB_separate_shader_objects;
-    bool has_ARB_vertex_attrib_binding;
+    bool has_ARB_buffer_storage = false;
+    bool has_ARB_direct_state_access = false;
+    bool has_ARB_separate_shader_objects = false;
+    bool has_ARB_vertex_attrib_binding = false;
 
     OpenGLState state;
 
@@ -167,5 +167,5 @@ private:
     void SetupShaders(u8* buffer_ptr, GLintptr buffer_offset);
 
     enum class AccelDraw { Disabled, Arrays, Indexed };
-    AccelDraw accelerate_draw;
+    AccelDraw accelerate_draw = AccelDraw::Disabled;
 };
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.h b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
index 9b2afeace..0d660de28 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
@@ -194,6 +194,8 @@ struct SurfaceParams {
             return PixelFormat::R11FG11FB10F;
         case Tegra::RenderTargetFormat::RGBA32_UINT:
             return PixelFormat::RGBA32UI;
+        case Tegra::RenderTargetFormat::R8_UNORM:
+            return PixelFormat::R8;
         default:
             LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
             UNREACHABLE();
@@ -355,6 +357,7 @@ struct SurfaceParams {
         case Tegra::RenderTargetFormat::RGBA8_SRGB:
         case Tegra::RenderTargetFormat::BGRA8_UNORM:
         case Tegra::RenderTargetFormat::RGB10_A2_UNORM:
+        case Tegra::RenderTargetFormat::R8_UNORM:
             return ComponentType::UNorm;
         case Tegra::RenderTargetFormat::RGBA16_FLOAT:
         case Tegra::RenderTargetFormat::R11G11B10_FLOAT: