diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index 00c4fa79f..f066c9719 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -591,13 +591,19 @@ struct Regs {
     }
 
     struct {
-        INSERT_PADDING_WORDS(0x3);
+        INSERT_PADDING_WORDS(0x2);
+
+        union {
+            BitField<0, 4, u32> allow_color_read; // 0 = disable, else enable
+        };
 
         union {
             BitField<0, 4, u32> allow_color_write; // 0 = disable, else enable
         };
 
-        INSERT_PADDING_WORDS(0x1);
+        union {
+            BitField<0, 2, u32> allow_depth_stencil_read; // 0 = disable, else enable
+        };
 
         union {
             BitField<0, 2, u32> allow_depth_stencil_write; // 0 = disable, else enable
diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp
index f5c6c9742..ab8a6f451 100644
--- a/src/video_core/rasterizer.cpp
+++ b/src/video_core/rasterizer.cpp
@@ -814,7 +814,7 @@ static void ProcessTriangleInternal(const Shader::OutputVertex& v0,
             };
 
             if (stencil_action_enable) {
-                old_stencil = GetStencil(x >> 4, y >> 4);
+                old_stencil = (regs.framebuffer.allow_depth_stencil_read != 0) ? GetStencil(x >> 4, y >> 4) : 0;
                 u8 dest = old_stencil & stencil_test.input_mask;
                 u8 ref = stencil_test.reference_value & stencil_test.input_mask;
 
@@ -886,7 +886,7 @@ static void ProcessTriangleInternal(const Shader::OutputVertex& v0,
             u32 z = (u32)(depth * ((1 << num_bits) - 1));
 
             if (output_merger.depth_test_enable) {
-                u32 ref_z = GetDepth(x >> 4, y >> 4);
+                u32 ref_z = (regs.framebuffer.allow_depth_stencil_read != 0) ? GetDepth(x >> 4, y >> 4) : 0;
 
                 bool pass = false;
 
@@ -938,7 +938,7 @@ static void ProcessTriangleInternal(const Shader::OutputVertex& v0,
             if (stencil_action_enable)
                 UpdateStencil(stencil_test.action_depth_pass);
 
-            auto dest = GetPixel(x >> 4, y >> 4);
+            auto dest = (regs.framebuffer.allow_color_read != 0) ? GetPixel(x >> 4, y >> 4) : Math::Vec4<u8>(0,0,0,0);
             Math::Vec4<u8> blend_output = combiner_output;
 
             if (output_merger.alphablend_enable) {