Skeleton for new draw type and texture fetching.

src/xenia/gpu/d3d11/d3d11_graphics_driver.cc

@@ -101,6 +101,13 @@ void D3D11GraphicsDriver::SetShader(
   }
 }
 
+void D3D11GraphicsDriver::DrawIndexBuffer(
+    XE_GPU_PRIMITIVE_TYPE prim_type,
+    bool index_32bit, uint32_t index_count,
+    uint32_t index_base, uint32_t index_size, uint32_t endianness) {
+  XELOGGPU("D3D11: draw index buffer");
+}
+
 void D3D11GraphicsDriver::DrawIndexAuto(
     XE_GPU_PRIMITIVE_TYPE prim_type,
     uint32_t index_count) {

src/xenia/gpu/d3d11/d3d11_graphics_driver.h

@@ -42,6 +42,10 @@ public:
       uint32_t address,
       uint32_t start,
       uint32_t length);
+  virtual void DrawIndexBuffer(
+      xenos::XE_GPU_PRIMITIVE_TYPE prim_type,
+      bool index_32bit, uint32_t index_count,
+      uint32_t index_base, uint32_t index_size, uint32_t endianness);
   virtual void DrawIndexAuto(
       xenos::XE_GPU_PRIMITIVE_TYPE prim_type,
       uint32_t index_count);

src/xenia/gpu/d3d11/d3d11_shader.cc

@@ -1173,6 +1173,13 @@ int TranslateVertexFetch(
   return 0;
 }
 
+int TranslateTextureFetch(
+  xe_gpu_translate_ctx_t& ctx, const instr_fetch_tex_t* tex, int sync) {
+  Output* output = ctx.output;
+
+  return 1;
+}
+
 struct {
   const char *name;
 } cf_instructions[] = {
@@ -1237,6 +1244,10 @@ int D3D11Shader::TranslateExec(xe_gpu_translate_ctx_t& ctx, const instr_cf_exec_
         }
         break;
       case TEX_FETCH:
+        if (TranslateTextureFetch(ctx, &fetch->tex, sync)) {
+          return 1;
+        }
+        break;
       case TEX_GET_BORDER_COLOR_FRAC:
       case TEX_GET_COMP_TEX_LOD:
       case TEX_GET_GRADIENTS:

src/xenia/gpu/graphics_driver.h

@@ -38,7 +38,10 @@ public:
       uint32_t address,
       uint32_t start,
       uint32_t length) = 0;
-  //virtual void DrawIndex();
+  virtual void DrawIndexBuffer(
+    xenos::XE_GPU_PRIMITIVE_TYPE prim_type,
+    bool index_32bit, uint32_t index_count,
+    uint32_t index_base, uint32_t index_size, uint32_t endianness) = 0;
   //virtual void DrawIndexImmediate();
   virtual void DrawIndexAuto(
       xenos::XE_GPU_PRIMITIVE_TYPE prim_type,

src/xenia/gpu/nop/nop_graphics_driver.cc

@@ -63,6 +63,13 @@ void NopGraphicsDriver::SetShader(
            type, address, length, source);
 }
 
+void NopGraphicsDriver::DrawIndexBuffer(
+    XE_GPU_PRIMITIVE_TYPE prim_type,
+    bool index_32bit, uint32_t index_count,
+    uint32_t index_base, uint32_t index_size, uint32_t endianness) {
+  XELOGGPU("NOP: draw index buffer");
+}
+
 void NopGraphicsDriver::DrawIndexAuto(
     XE_GPU_PRIMITIVE_TYPE prim_type,
     uint32_t index_count) {

src/xenia/gpu/nop/nop_graphics_driver.h

@@ -39,6 +39,10 @@ public:
       uint32_t address,
       uint32_t start,
       uint32_t length);
+  virtual void DrawIndexBuffer(
+      xenos::XE_GPU_PRIMITIVE_TYPE prim_type,
+      bool index_32bit, uint32_t index_count,
+      uint32_t index_base, uint32_t index_size, uint32_t endianness);
   virtual void DrawIndexAuto(
       xenos::XE_GPU_PRIMITIVE_TYPE prim_type,
       uint32_t index_count);

src/xenia/gpu/ring_buffer_worker.cc

@@ -502,10 +502,23 @@ uint32_t RingBufferWorker::ExecutePacket(PacketArgs& args) {
           uint32_t index_count = d1 >> 16;
           uint32_t prim_type = d1 & 0x3F;
           uint32_t src_sel = (d1 >> 6) & 0x3;
-          XEASSERT(src_sel == 0x2); // 'SrcSel=AutoIndex'
+          if (src_sel == 0x0) {
+            uint32_t index_base = READ_AND_ADVANCE_PTR();
+            uint32_t index_size = READ_AND_ADVANCE_PTR();
+            uint32_t endianness = index_size >> 29;
+            index_size &= 0x00FFFFFF;
+            bool index_32bit = (d1 >> 11) & 0x1;
+            driver_->DrawIndexBuffer(
+                (XE_GPU_PRIMITIVE_TYPE)prim_type,
+                index_32bit, index_count, index_base, index_size, endianness);
+          } else if (src_sel == 0x2) {
             driver_->DrawIndexAuto(
                 (XE_GPU_PRIMITIVE_TYPE)prim_type,
                 index_count);
+          } else {
+            // Unknown source select.
+            XEASSERTALWAYS();
+          }
         }
         break;
       case PM4_DRAW_INDX_2:

src/xenia/gpu/shader.cc

@@ -112,6 +112,8 @@ void Shader::GatherExec(const instr_cf_exec_t* cf) {
         GatherVertexFetch(&fetch->vtx);
         break;
       case TEX_FETCH:
+        GatherTextureFetch(&fetch->tex);
+        break;
       case TEX_GET_BORDER_COLOR_FRAC:
       case TEX_GET_COMP_TEX_LOD:
       case TEX_GET_GRADIENTS:
@@ -153,3 +155,9 @@ void Shader::GatherVertexFetch(const instr_fetch_vtx_t* vtx) {
 const instr_fetch_vtx_t* Shader::GetFetchVtxBySlot(uint32_t fetch_slot) {
   return &fetch_vtx_slots_[fetch_slot];
 }
+
+void Shader::GatherTextureFetch(const xenos::instr_fetch_tex_t* tex) {
+  fetch_texs_.push_back(*tex);
+
+  // slots
+}

src/xenia/gpu/shader.h

@@ -48,6 +48,7 @@ private:
   void GatherAlloc(const xenos::instr_cf_alloc_t* cf);
   void GatherExec(const xenos::instr_cf_exec_t* cf);
   void GatherVertexFetch(const xenos::instr_fetch_vtx_t* vtx);
+  void GatherTextureFetch(const xenos::instr_fetch_tex_t* tex);
 
 protected:
   xenos::XE_GPU_SHADER_TYPE type_;
@@ -63,6 +64,7 @@ protected:
   std::vector<xenos::instr_cf_alloc_t>  allocs_;
   std::vector<xenos::instr_fetch_vtx_t> fetch_vtxs_;
   xenos::instr_fetch_vtx_t fetch_vtx_slots_[96];
+  std::vector<xenos::instr_fetch_tex_t> fetch_texs_;
 };