Updates to support instanced rendering (OpenGL only)

include/boo/graphicsdev/GL.hpp

@@ -48,7 +48,7 @@ public:
     IShaderDataBinding*
     newShaderDataBinding(IShaderPipeline* pipeline,
                          IVertexFormat* vtxFormat,
-                         IGraphicsBuffer* vbo, IGraphicsBuffer* ibo,
+                         IGraphicsBuffer* vbo, IGraphicsBuffer* instVbo, IGraphicsBuffer* ibo,
                          size_t ubufCount, IGraphicsBuffer** ubufs,
                          size_t texCount, ITexture** texs);
 

include/boo/graphicsdev/IGraphicsCommandQueue.hpp

@@ -24,6 +24,12 @@ struct IGraphicsCommandQueue
     virtual void setRenderTarget(ITextureR* target)=0;
     virtual void setViewport(const SWindowRect& rect)=0;
     
+    /**
+     * @brief Which dynamic buffer slot is being populated for pending command list
+     * @return Index [0,2] indicating the buffer slot
+     */
+    virtual int pendingDynamicSlot()=0;
+
     virtual void resizeRenderTexture(ITextureR* tex, size_t width, size_t height)=0;
     virtual void flushBufferUpdates()=0;
 

include/boo/graphicsdev/IGraphicsDataFactory.hpp

@@ -100,12 +100,18 @@ struct IVertexFormat {};
 /** Types of vertex attributes */
 enum class VertexSemantic
 {
+    None = 0,
     Position,
     Normal,
     Color,
     UV,
-    Weight
+    UV4,
+    Weight,
+    ModelView,
+    SemanticMask = 0xf,
+    Instanced = 0x10
 };
+ENABLE_BITWISE_ENUM(VertexSemantic)
 
 /** Used to create IVertexFormat */
 struct VertexElementDescriptor
@@ -147,7 +153,9 @@ enum class BlendFactor
     SrcAlpha,
     InvSrcAlpha,
     DstAlpha,
-    InvDstAlpha
+    InvDstAlpha,
+    SrcColor1,
+    InvSrcColor1
 };
 
 /** Factory object for creating batches of resources as an IGraphicsData token */
@@ -196,7 +204,7 @@ struct IGraphicsDataFactory
     virtual IShaderDataBinding*
     newShaderDataBinding(IShaderPipeline* pipeline,
                          IVertexFormat* vtxFormat,
-                         IGraphicsBuffer* vbo, IGraphicsBuffer* ibo,
+                         IGraphicsBuffer* vbo, IGraphicsBuffer* instVbo, IGraphicsBuffer* ibo,
                          size_t ubufCount, IGraphicsBuffer** ubufs,
                          size_t texCount, ITexture** texs)=0;