citra-qt: Improve shader debugger.

Now supports dumping the current shader and recognizes a larger number of output semantics.

src/citra_qt/debugger/graphics_vertex_shader.cpp

@@ -6,6 +6,8 @@
 #include <sstream>
 
 #include <QBoxLayout>
+#include <QLabel>
+#include <QPushButton>
 #include <QTreeView>
 
 #include "video_core/shader/shader_interpreter.h"
@@ -253,18 +255,27 @@ void GraphicsVertexShaderModel::OnUpdate()
 
     info.Clear();
 
-    for (auto instr : Pica::g_state.vs.program_code)
+    auto& shader_setup = Pica::g_state.vs;
+    for (auto instr : shader_setup.program_code)
         info.code.push_back({instr});
 
-    for (auto pattern : Pica::g_state.vs.swizzle_data)
+    for (auto pattern : shader_setup.swizzle_data)
         info.swizzle_info.push_back({pattern});
 
-    info.labels.insert({ Pica::g_state.regs.vs.main_offset, "main" });
+    u32 entry_point = Pica::g_state.regs.vs.main_offset;
+    info.labels.insert({ entry_point, "main" });
 
     endResetModel();
 }
 
+void GraphicsVertexShaderModel::DumpShader() {
+    auto& setup  = Pica::g_state.vs;
+    auto& config = Pica::g_state.regs.vs;
 
+    Pica::DebugUtils::DumpShader(setup.program_code.data(), setup.program_code.size(),
+                                 setup.swizzle_data.data(), setup.swizzle_data.size(),
+                                 config.main_offset, Pica::g_state.regs.vs_output_attributes);
+}
 GraphicsVertexShaderWidget::GraphicsVertexShaderWidget(std::shared_ptr< Pica::DebugContext > debug_context,
                                                        QWidget* parent)
         : BreakPointObserverDock(debug_context, "Pica Vertex Shader", parent) {
@@ -276,6 +287,9 @@ GraphicsVertexShaderWidget::GraphicsVertexShaderWidget(std::shared_ptr< Pica::De
     binary_list->setRootIsDecorated(false);
     binary_list->setAlternatingRowColors(true);
 
+    auto dump_shader = new QPushButton(tr("Dump"));
+
+    connect(dump_shader, SIGNAL(clicked()), binary_model, SLOT(DumpShader()));
     connect(this, SIGNAL(Update()), binary_model, SLOT(OnUpdate()));
 
     auto main_widget = new QWidget;
@@ -285,6 +299,7 @@ GraphicsVertexShaderWidget::GraphicsVertexShaderWidget(std::shared_ptr< Pica::De
         sub_layout->addWidget(binary_list);
         main_layout->addLayout(sub_layout);
     }
+    main_layout->addWidget(dump_shader);
     main_widget->setLayout(main_layout);
     setWidget(main_widget);
 }

src/citra_qt/debugger/graphics_vertex_shader.h

@@ -26,6 +26,8 @@ public:
 public slots:
     void OnUpdate();
 
+    void DumpShader();
+
 private:
     nihstro::ShaderInfo info;
 };

src/video_core/debug_utils/debug_utils.cpp

@@ -131,11 +131,14 @@ void DumpShader(const u32* binary_data, u32 binary_size, const u32* swizzle_data
     // into shbin format (separate type and component mask).
     union OutputRegisterInfo {
         enum Type : u64 {
-            POSITION = 0,
-            COLOR = 2,
-            TEXCOORD0 = 3,
-            TEXCOORD1 = 5,
-            TEXCOORD2 = 6,
+            POSITION   = 0,
+            QUATERNION = 1,
+            COLOR      = 2,
+            TEXCOORD0  = 3,
+            TEXCOORD1  = 5,
+            TEXCOORD2  = 6,
+
+            VIEW       = 8,
         };
 
         BitField< 0, 64, u64> hex;
@@ -157,6 +160,10 @@ void DumpShader(const u32* binary_data, u32 binary_size, const u32* swizzle_data
                 { OutputAttributes::POSITION_Y, { OutputRegisterInfo::POSITION, 2} },
                 { OutputAttributes::POSITION_Z, { OutputRegisterInfo::POSITION, 4} },
                 { OutputAttributes::POSITION_W, { OutputRegisterInfo::POSITION, 8} },
+                { OutputAttributes::QUATERNION_X, { OutputRegisterInfo::QUATERNION, 1} },
+                { OutputAttributes::QUATERNION_Y, { OutputRegisterInfo::QUATERNION, 2} },
+                { OutputAttributes::QUATERNION_Z, { OutputRegisterInfo::QUATERNION, 4} },
+                { OutputAttributes::QUATERNION_W, { OutputRegisterInfo::QUATERNION, 8} },
                 { OutputAttributes::COLOR_R, { OutputRegisterInfo::COLOR, 1} },
                 { OutputAttributes::COLOR_G, { OutputRegisterInfo::COLOR, 2} },
                 { OutputAttributes::COLOR_B, { OutputRegisterInfo::COLOR, 4} },
@@ -166,7 +173,10 @@ void DumpShader(const u32* binary_data, u32 binary_size, const u32* swizzle_data
                 { OutputAttributes::TEXCOORD1_U, { OutputRegisterInfo::TEXCOORD1, 1} },
                 { OutputAttributes::TEXCOORD1_V, { OutputRegisterInfo::TEXCOORD1, 2} },
                 { OutputAttributes::TEXCOORD2_U, { OutputRegisterInfo::TEXCOORD2, 1} },
-                { OutputAttributes::TEXCOORD2_V, { OutputRegisterInfo::TEXCOORD2, 2} }
+                { OutputAttributes::TEXCOORD2_V, { OutputRegisterInfo::TEXCOORD2, 2} },
+                { OutputAttributes::VIEW_X, { OutputRegisterInfo::VIEW, 1} },
+                { OutputAttributes::VIEW_Y, { OutputRegisterInfo::VIEW, 2} },
+                { OutputAttributes::VIEW_Z, { OutputRegisterInfo::VIEW, 4} }
             };
 
             for (const auto& semantic : std::vector<OutputAttributes::Semantic>{
@@ -239,6 +249,7 @@ void DumpShader(const u32* binary_data, u32 binary_size, const u32* swizzle_data
 
     // TODO: Create a label table for "main"
 
+    // TODO: Write uniforms as constants
 
     // Write data to file
     static int dump_index = 0;

src/video_core/debug_utils/debug_utils.h

@@ -158,7 +158,6 @@ extern std::shared_ptr<DebugContext> g_debug_context; // TODO: Get rid of this g
 namespace DebugUtils {
 
 #define PICA_DUMP_GEOMETRY 0
-#define PICA_DUMP_SHADERS 0
 #define PICA_DUMP_TEXTURES 0
 #define PICA_LOG_TEV 0
 

src/video_core/pica.h

@@ -80,6 +80,11 @@ struct Regs {
             POSITION_Z   =  2,
             POSITION_W   =  3,
 
+            QUATERNION_X =  4,
+            QUATERNION_Y =  5,
+            QUATERNION_Z =  6,
+            QUATERNION_W =  7,
+
             COLOR_R      =  8,
             COLOR_G      =  9,
             COLOR_B      = 10,
@@ -89,6 +94,12 @@ struct Regs {
             TEXCOORD0_V  = 13,
             TEXCOORD1_U  = 14,
             TEXCOORD1_V  = 15,
+
+            // TODO: Not verified
+            VIEW_X       = 18,
+            VIEW_Y       = 19,
+            VIEW_Z       = 20,
+
             TEXCOORD2_U  = 22,
             TEXCOORD2_V  = 23,
 

src/video_core/shader/shader.cpp

@@ -96,12 +96,6 @@ OutputVertex Run(UnitState& state, const InputVertex& input, int num_attributes)
     RunInterpreter(state);
 #endif // ARCHITECTURE_x86_64
 
-#if PICA_DUMP_SHADERS
-    DebugUtils::DumpShader(setup.program_code.data(), state.debug.max_offset, setup.swizzle_data.data(),
-        state.debug.max_opdesc_id, config.main_offset,
-        g_state.regs.vs_output_attributes); // TODO: Don't hardcode VS here
-#endif
-
     // Setup output data
     OutputVertex ret;
     // TODO(neobrain): Under some circumstances, up to 16 attributes may be output. We need to