Béziers on the GPU.

[ipdf/code.git] / src / objectrenderer.h

diff --git a/src/objectrenderer.h b/src/objectrenderer.h
index 4dd7fe1..4ebb66a 100644 (file)
--- a/src/objectrenderer.h
+++ b/src/objectrenderer.h
@@ -108,14 +108,24 @@ namespace IPDF
        class BezierRenderer : public ObjectRenderer
        {
                public:
-                       BezierRenderer() : ObjectRenderer(BEZIER, "shaders/rect_vert.glsl", "shaders/rect_frag.glsl", "shaders/rect_outline_geom.glsl") {}
+                       BezierRenderer() : ObjectRenderer(BEZIER, "shaders/rect_vert.glsl", "shaders/rect_frag.glsl", "shaders/bezier_texbuf_geom.glsl") {}
                        virtual ~BezierRenderer() {}
-                       virtual void RenderUsingGPU() 
-                       {
-                               Error("Cannot render beziers on the GPU; they will appear as outlined rectangles.");    
-                               ObjectRenderer::RenderUsingGPU();
-                       }
+                       virtual void RenderUsingGPU(); 
                        virtual void RenderUsingCPU(const Objects & objects, const View & view, const CPURenderTarget & target);
+                       void PrepareBezierGPUBuffer(const Objects & objects);
+               private:
+                       GraphicsBuffer m_bezier_coeffs;
+                       GraphicsBuffer m_bezier_ids;
+                       struct GPUBezierCoeffs
+                       {
+                               float x0, y0;
+                               float x1, y1;
+                               float x2, y2;
+                       };
+
+                       GLuint m_bezier_buffer_texture;
+                       GLuint m_bezier_id_buffer_texture;
+
        };
 }