3 files changed, 11 insertions, 6 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index 026b10a6..628e7321 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -132,8 +132,8 @@ struct Regs {
         };
 
         union {
-            BitField< 8, 2, WrapMode> wrap_s;
-            BitField<12, 2, WrapMode> wrap_t;
+            BitField< 8, 2, WrapMode> wrap_t;
+            BitField<12, 2, WrapMode> wrap_s;
         };
 
         INSERT_PADDING_WORDS(0x1);
@@ -200,6 +200,7 @@ struct Regs {
         case TextureFormat::IA8:
             return 4;
 
+        case TextureFormat::I4:
         case TextureFormat::A4:
             return 1;
 
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 935a9f28..2db845da 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -816,12 +816,16 @@ void RasterizerOpenGL::ReloadColorBuffer() {
 }
 
 void RasterizerOpenGL::ReloadDepthBuffer() {
+    PAddr depth_buffer_addr = Pica::g_state.regs.framebuffer.GetDepthBufferPhysicalAddress();
+
+    if (depth_buffer_addr == 0)
+        return;
+
     // TODO: Appears to work, but double-check endianness of depth values and order of depth-stencil
-    u8* depth_buffer = Memory::GetPhysicalPointer(Pica::g_state.regs.framebuffer.GetDepthBufferPhysicalAddress());
+    u8* depth_buffer = Memory::GetPhysicalPointer(depth_buffer_addr);
 
-    if (depth_buffer == nullptr) {
+    if (depth_buffer == nullptr)
         return;
-    }
 
     u32 bytes_per_pixel = Pica::Regs::BytesPerDepthPixel(fb_depth_texture.format);
 
diff --git a/src/video_core/vertex_shader.cpp b/src/video_core/vertex_shader.cpp
index 87006a83..d32c2e37 100644
--- a/src/video_core/vertex_shader.cpp
+++ b/src/video_core/vertex_shader.cpp
@@ -221,7 +221,7 @@ static void ProcessShaderCode(VertexShaderState& state) {
                 for (int i = 0; i < num_components; ++i)
                     dot = dot + src1[i] * src2[i];
 
-                for (int i = 0; i < num_components; ++i) {
+                for (int i = 0; i < 4; ++i) {
                     if (!swizzle.DestComponentEnabled(i))
                         continue;