1 /*
2  Copyright (c) 2013 yvt
3 
4  This file is part of OpenSpades.
5 
6  OpenSpades is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  OpenSpades is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with OpenSpades.  If not, see <http://www.gnu.org/licenses/>.
18 
19  */
20 
21 #pragma once
22 
23 #include "SWFeatureLevel.h"
24 #include <Core/Math.h>
25 #include <Core/RefCountedObject.h>
26 
27 namespace spades {
28 	class Bitmap;
29 
30 	namespace draw {
31 		class SWImage;
32 		class SWImageRenderer {
33 		public:
34 			struct Vertex {
35 				Vector4 position;
36 				Vector4 color;
37 				Vector2 uv;
38 			};
39 			enum class ShaderType { Image, Sprite };
40 
41 		private:
42 			Handle<Bitmap> frame;
43 			float *depthBuffer;
44 			ShaderType shader;
45 			Vector4 fbSize4;
46 			Vector4 fbCenter4;
47 			float zNear;
48 			Matrix4 matrix;
49 			SWFeatureLevel featureLevel;
50 			unsigned long long pixelsDrawn;
51 
52 			template <SWFeatureLevel, bool, bool, bool, bool, bool> struct PolygonRenderer;
53 
54 			template <SWFeatureLevel, bool, bool, bool, bool> struct PolygonRenderer3;
55 
56 			template <bool, bool, bool, bool> struct PolygonRenderer2;
57 
58 		public:
59 			SWImageRenderer(SWFeatureLevel);
60 			~SWImageRenderer();
61 			void SetFramebuffer(Bitmap *);
62 			void SetDepthBuffer(float *);
63 
SetMatrix(const Matrix4 & m)64 			void SetMatrix(const Matrix4 &m) { matrix = m; }
65 			void SetZRange(float zNear, float zFar);
66 
67 			void SetShaderType(ShaderType);
68 
69 			void DrawPolygon(SWImage *img, const Vertex &v1, const Vertex &v2, const Vertex &v3);
70 
GetPixelsDrawn()71 			unsigned long long GetPixelsDrawn() { return pixelsDrawn; }
ResetPixelStatistics()72 			void ResetPixelStatistics() { pixelsDrawn = 0; }
73 		};
74 	}
75 }
76