1 files changed, 51 insertions, 0 deletions
diff --git a/Runtime/Graphics/DrawUtil.h b/Runtime/Graphics/DrawUtil.h
new file mode 100644
index 0000000..52bf156
--- /dev/null
+++ b/Runtime/Graphics/DrawUtil.h
@@ -0,0 +1,51 @@
+#ifndef DRAWUTIL_H
+#define DRAWUTIL_H
+
+#include "Runtime/GfxDevice/GfxDeviceTypes.h"
+#include "Runtime/Modules/ExportModules.h"
+
+namespace Unity { class Material; }
+class ChannelAssigns;
+using namespace Unity;
+class Vector2f;
+class Vector3f;
+class ColorRGBAf;
+class Quaternionf;
+class Mesh;
+class VBO;
+class Matrix4x4f;
+class ComputeBuffer;
+class Sprite;
+
+
+enum MeshPrimitiveType
+{
+	kTriangles = 0,
+	kLines = 1,
+};
+
+// Utilities for drawing
+struct EXPORT_COREMODULE DrawUtil
+{
+	static void DrawVBOMeshRaw (VBO& vbo, Mesh& mesh, const ChannelAssigns& channels, int materialIndex, UInt32 channelsInVBO = ~0UL);
+
+	/// Draw a mesh with the current matrix
+	static void DrawMeshRaw (const ChannelAssigns& channels, Mesh &mesh, int materialIndex);
+	
+	static void DrawMesh (const ChannelAssigns& channels, Mesh &mesh, const Vector3f &position, const Quaternionf &rotation, int materialIndex = -1);
+	static void DrawMesh (const ChannelAssigns& channels, Mesh &mesh, const Matrix4x4f &matrix, int materialIndex);
+
+	static void DrawProcedural (GfxPrimitiveType topology, int vertexCount, int instanceCount);
+
+	// args in ComputeBuffer at given offset:
+	// uint32 vertexCountPerInstance
+	// uint32 instanceCount
+	// uint32 startVertexLocation
+	// uint32 startInstanceLocation
+	static void DrawProceduralIndirect (GfxPrimitiveType topology, ComputeBuffer* bufferWithArgs, UInt32 argsOffset);
+
+
+	static void DrawSpriteRaw (const ChannelAssigns& channels, Sprite& sprite, const ColorRGBAf& color);
+};
+
+#endif