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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/logging.h" | 5 #include "base/logging.h" |
6 #include "media/tools/shader_bench/gpu_painter.h" | 6 #include "media/tools/shader_bench/gpu_painter.h" |
7 | 7 |
8 // Vertices for a full screen quad. | 8 // Vertices for a full screen quad. |
9 static const float kVertices[8] = { | 9 static const float kVertices[8] = { |
10 -1.f, 1.f, | 10 -1.f, 1.f, |
11 -1.f, -1.f, | 11 -1.f, -1.f, |
12 1.f, 1.f, | 12 1.f, 1.f, |
13 1.f, -1.f, | 13 1.f, -1.f, |
14 }; | 14 }; |
15 | 15 |
16 // Texture Coordinates mapping the entire texture. | 16 // Texture Coordinates mapping the entire texture. |
17 static const float kTextureCoords[8] = { | 17 static const float kTextureCoords[8] = { |
18 0, 0, | 18 0, 0, |
19 0, 1, | 19 0, 1, |
20 1, 0, | 20 1, 0, |
21 1, 1, | 21 1, 1, |
22 }; | 22 }; |
23 | 23 |
24 // Buffer size for compile errors. | 24 // Buffer size for compile errors. |
25 static const unsigned int kErrorSize = 4096; | 25 static const unsigned int kErrorSize = 4096; |
26 | 26 |
27 GPUPainter::GPUPainter() | 27 GPUPainter::GPUPainter() |
28 : context_(NULL) { | 28 : surface_(NULL), |
| 29 context_(NULL) { |
29 } | 30 } |
30 | 31 |
31 GPUPainter::~GPUPainter() { | 32 GPUPainter::~GPUPainter() { |
32 } | 33 } |
33 | 34 |
34 void GPUPainter::SetGLContext(gfx::GLContext* context) { | 35 void GPUPainter::SetGLContext(gfx::GLSurface* surface, |
| 36 gfx::GLContext* context) { |
| 37 surface_ = surface; |
35 context_ = context; | 38 context_ = context; |
36 } | 39 } |
37 | 40 |
38 GLuint GPUPainter::LoadShader(unsigned type, const char* shader_source) { | 41 GLuint GPUPainter::LoadShader(unsigned type, const char* shader_source) { |
39 GLuint shader = glCreateShader(type); | 42 GLuint shader = glCreateShader(type); |
40 glShaderSource(shader, 1, &shader_source, NULL); | 43 glShaderSource(shader, 1, &shader_source, NULL); |
41 glCompileShader(shader); | 44 glCompileShader(shader); |
42 int result = GL_FALSE; | 45 int result = GL_FALSE; |
43 glGetShaderiv(shader, GL_COMPILE_STATUS, &result); | 46 glGetShaderiv(shader, GL_COMPILE_STATUS, &result); |
44 if (!result) { | 47 if (!result) { |
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80 // Set common vertex parameters. | 83 // Set common vertex parameters. |
81 int pos_location = glGetAttribLocation(program, "in_pos"); | 84 int pos_location = glGetAttribLocation(program, "in_pos"); |
82 glEnableVertexAttribArray(pos_location); | 85 glEnableVertexAttribArray(pos_location); |
83 glVertexAttribPointer(pos_location, 2, GL_FLOAT, GL_FALSE, 0, kVertices); | 86 glVertexAttribPointer(pos_location, 2, GL_FLOAT, GL_FALSE, 0, kVertices); |
84 | 87 |
85 int tc_location = glGetAttribLocation(program, "in_tc"); | 88 int tc_location = glGetAttribLocation(program, "in_tc"); |
86 glEnableVertexAttribArray(tc_location); | 89 glEnableVertexAttribArray(tc_location); |
87 glVertexAttribPointer(tc_location, 2, GL_FLOAT, GL_FALSE, 0, kTextureCoords); | 90 glVertexAttribPointer(tc_location, 2, GL_FLOAT, GL_FALSE, 0, kTextureCoords); |
88 return program; | 91 return program; |
89 } | 92 } |
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