Pica: Add support for boolean uniforms.

src/video_core/command_processor.cpp

@@ -162,6 +162,12 @@ static inline void WritePicaReg(u32 id, u32 value, u32 mask) {
             break;
         }
 
+        case PICA_REG_INDEX(vs_bool_uniforms):
+            for (unsigned i = 0; i < 16; ++i)
+                VertexShader::GetBoolUniform(i) = (registers.vs_bool_uniforms.Value() & (1 << i));
+
+            break;
+
         case PICA_REG_INDEX_WORKAROUND(vs_uniform_setup.set_value[0], 0x2c1):
         case PICA_REG_INDEX_WORKAROUND(vs_uniform_setup.set_value[1], 0x2c2):
         case PICA_REG_INDEX_WORKAROUND(vs_uniform_setup.set_value[2], 0x2c3):

src/video_core/pica.h

@@ -492,7 +492,11 @@ struct Regs {
 
     BitField<8, 2, TriangleTopology> triangle_topology;
 
-    INSERT_PADDING_WORDS(0x5b);
+    INSERT_PADDING_WORDS(0x51);
+
+    BitField<0, 16, u32> vs_bool_uniforms;
+
+    INSERT_PADDING_WORDS(0x9);
 
     // Offset to shader program entry point (in words)
     BitField<0, 16, u32> vs_main_offset;
@@ -620,6 +624,7 @@ struct Regs {
         ADD_FIELD(trigger_draw);
         ADD_FIELD(trigger_draw_indexed);
         ADD_FIELD(triangle_topology);
+        ADD_FIELD(vs_bool_uniforms);
         ADD_FIELD(vs_main_offset);
         ADD_FIELD(vs_input_register_map);
         ADD_FIELD(vs_uniform_setup);
@@ -690,6 +695,7 @@ ASSERT_REG_POSITION(num_vertices, 0x228);
 ASSERT_REG_POSITION(trigger_draw, 0x22e);
 ASSERT_REG_POSITION(trigger_draw_indexed, 0x22f);
 ASSERT_REG_POSITION(triangle_topology, 0x25e);
+ASSERT_REG_POSITION(vs_bool_uniforms, 0x2b0);
 ASSERT_REG_POSITION(vs_main_offset, 0x2ba);
 ASSERT_REG_POSITION(vs_input_register_map, 0x2bb);
 ASSERT_REG_POSITION(vs_uniform_setup, 0x2c0);

src/video_core/vertex_shader.cpp

@@ -26,8 +26,9 @@ namespace VertexShader {
 
 static struct {
     Math::Vec4<float24> f[96];
-} shader_uniforms;
 
+    std::array<bool,16> b;
+} shader_uniforms;
 
 // TODO: Not sure where the shader binary and swizzle patterns are supposed to be loaded to!
 // For now, we just keep these local arrays around.
@@ -49,6 +50,11 @@ Math::Vec4<float24>& GetFloatUniform(u32 index)
     return shader_uniforms.f[index];
 }
 
+bool& GetBoolUniform(u32 index)
+{
+    return shader_uniforms.b[index];
+}
+
 const std::array<u32, 1024>& GetShaderBinary()
 {
     return shader_memory;

src/video_core/vertex_shader.h

@@ -72,6 +72,7 @@ void SubmitSwizzleDataChange(u32 addr, u32 value);
 OutputVertex RunShader(const InputVertex& input, int num_attributes);
 
 Math::Vec4<float24>& GetFloatUniform(u32 index);
+bool& GetBoolUniform(u32 index);
 
 const std::array<u32, 1024>& GetShaderBinary();
 const std::array<u32, 1024>& GetSwizzlePatterns();