Starting to drive command buffer actions down to a graphics driver.

src/xenia/gpu/nop/nop_graphics_driver.cc

@@ -0,0 +1,57 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <xenia/gpu/nop/nop_graphics_driver.h>
+
+#include <xenia/gpu/gpu-private.h>
+
+
+using namespace xe;
+using namespace xe::gpu;
+using namespace xe::gpu::nop;
+
+
+NopGraphicsDriver::NopGraphicsDriver(xe_memory_ref memory) :
+    GraphicsDriver(memory) {
+}
+
+NopGraphicsDriver::~NopGraphicsDriver() {
+}
+
+void NopGraphicsDriver::Initialize() {
+}
+
+void NopGraphicsDriver::InvalidateState(
+    uint32_t mask) {
+  if (mask == XE_GPU_INVALIDATE_MASK_ALL) {
+    XELOGGPU("NOP: (invalidate all)");
+  }
+  if (mask & XE_GPU_INVALIDATE_MASK_VERTEX_SHADER) {
+    XELOGGPU("NOP: invalidate vertex shader");
+  }
+  if (mask & XE_GPU_INVALIDATE_MASK_PIXEL_SHADER) {
+    XELOGGPU("NOP: invalidate pixel shader");
+  }
+}
+
+void NopGraphicsDriver::SetShader(
+    XE_GPU_SHADER_TYPE type,
+    uint32_t address,
+    uint32_t start,
+    uint32_t size_dwords) {
+  XELOGGPU("NOP: set shader %d at %0.8X (%db)",
+           type, address, size_dwords * 4);
+}
+
+void NopGraphicsDriver::DrawIndexed(
+    XE_GPU_PRIMITIVE_TYPE prim_type,
+    uint32_t index_count) {
+ XELOGGPU("NOP: draw indexed %d (%d indicies)",
+          prim_type, index_count);
+}

src/xenia/gpu/nop/nop_graphics_driver.h

@@ -0,0 +1,51 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_GPU_NOP_NOP_GRAPHICS_DRIVER_H_
+#define XENIA_GPU_NOP_NOP_GRAPHICS_DRIVER_H_
+
+#include <xenia/core.h>
+
+#include <xenia/gpu/graphics_driver.h>
+#include <xenia/gpu/nop/nop-private.h>
+
+
+namespace xe {
+namespace gpu {
+namespace nop {
+
+
+class NopGraphicsDriver : public GraphicsDriver {
+public:
+  NopGraphicsDriver(xe_memory_ref memory);
+  virtual ~NopGraphicsDriver();
+
+  virtual void Initialize();
+
+  virtual void InvalidateState(
+      uint32_t mask);
+  virtual void SetShader(
+      XE_GPU_SHADER_TYPE type,
+      uint32_t address,
+      uint32_t start,
+      uint32_t size_dwords);
+  virtual void DrawIndexed(
+      XE_GPU_PRIMITIVE_TYPE prim_type,
+      uint32_t index_count);
+
+protected:
+};
+
+
+}  // namespace nop
+}  // namespace gpu
+}  // namespace xe
+
+
+#endif  // XENIA_GPU_NOP_NOP_GRAPHICS_DRIVER_H_

src/xenia/gpu/nop/nop_graphics_system.cc

@@ -10,6 +10,7 @@
 #include <xenia/gpu/nop/nop_graphics_system.h>
 
 #include <xenia/gpu/gpu-private.h>
+#include <xenia/gpu/nop/nop_graphics_driver.h>
 
 
 using namespace xe;
@@ -42,6 +43,9 @@ NopGraphicsSystem::~NopGraphicsSystem() {
 }
 
 void NopGraphicsSystem::Initialize() {
+  XEASSERTNULL(driver_);
+  driver_ = new NopGraphicsDriver(memory_);
+
   XEASSERTNULL(timer_queue_);
   XEASSERTNULL(vsync_timer_);
 

src/xenia/gpu/nop/sources.gypi

@@ -4,6 +4,8 @@
     'nop-private.h',
     'nop.cc',
     'nop.h',
+    'nop_graphics_driver.cc',
+    'nop_graphics_driver.h',
     'nop_graphics_system.cc',
     'nop_graphics_system.h',
   ],