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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Shaders from Chromium and an interface for setting them up | |
| 6 | |
| 7 #ifndef GPU_TOOLS_COMPOSITOR_MODEL_BENCH_SHADERS_H_ | |
| 8 #define GPU_TOOLS_COMPOSITOR_MODEL_BENCH_SHADERS_H_ | |
| 9 | |
| 10 #include <string> | |
| 11 | |
| 12 // Forward declarations. | |
| 13 struct CCNode; | |
| 14 struct ContentLayerNode; | |
| 15 class TextureBuilder; | |
| 16 | |
| 17 typedef unsigned int GLuint; | |
| 18 | |
| 19 enum ShaderID { | |
| 20 SHADER_UNRECOGNIZED = 0, | |
| 21 VERTEX_SHADER_POS_TEX_YUV_STRETCH, | |
| 22 VERTEX_SHADER_POS_TEX, | |
| 23 VERTEX_SHADER_POS_TEX_TRANSFORM, | |
| 24 FRAGMENT_SHADER_YUV_VIDEO, | |
| 25 FRAGMENT_SHADER_RGBA_TEX_FLIP_ALPHA, | |
| 26 FRAGMENT_SHADER_RGBA_TEX_ALPHA, | |
| 27 SHADER_ID_MAX | |
| 28 }; | |
| 29 | |
| 30 ShaderID ShaderIDFromString(std::string name); | |
| 31 std::string ShaderNameFromID(ShaderID id); | |
| 32 | |
| 33 void ConfigAndActivateShaderForNode(CCNode* n); | |
| 34 | |
| 35 // Call once to set up the parameters for an entire tiled layer, then use | |
| 36 // DrawTileQuad for each tile to be drawn. | |
| 37 void ConfigAndActivateShaderForTiling(ContentLayerNode* n); | |
| 38 | |
| 39 // One-off function to set up global VBO's that will be used every time | |
| 40 // we want to draw a quad. | |
| 41 void InitBuffers(); | |
| 42 | |
| 43 // Per-frame initialization of the VBO's (to replicate behavior in Chrome.) | |
| 44 void BeginFrame(); | |
| 45 | |
| 46 // Draw the quad in those VBO's. | |
| 47 void DrawQuad(float width, float height); | |
| 48 | |
| 49 // Draw the quad in those VBO's for an individual tile within a tiled layer. | |
| 50 // x and y give the 2D index of the tile. | |
| 51 void DrawTileQuad(GLuint texID, int x, int y); | |
| 52 | |
| 53 #endif // GPU_TOOLS_COMPOSITOR_MODEL_BENCH_SHADERS_H_ | |
| 54 | |
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