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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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 "config.h" | 5 #include "config.h" |
6 | 6 |
7 #if USE(ACCELERATED_COMPOSITING) | 7 #if USE(ACCELERATED_COMPOSITING) |
8 | 8 |
9 #include "ShaderChromium.h" | 9 #include "ShaderChromium.h" |
10 | 10 |
11 #include <public/WebGraphicsContext3D.h> | 11 #include <public/WebGraphicsContext3D.h> |
12 #include <wtf/StdLibExtras.h> | 12 #include <wtf/StdLibExtras.h> |
13 | 13 |
14 #define SHADER0(Src) #Src | 14 #define SHADER0(Src) #Src |
15 #define SHADER(Src) SHADER0(Src) | 15 #define SHADER(Src) SHADER0(Src) |
16 | 16 |
17 using WebKit::WebGraphicsContext3D; | 17 using WebKit::WebGraphicsContext3D; |
18 | 18 |
19 namespace WebCore { | 19 namespace cc { |
20 | 20 |
21 namespace { | 21 namespace { |
22 | 22 |
23 static void getProgramUniformLocations(WebGraphicsContext3D* context, unsigned p
rogram, const char** shaderUniforms, size_t count, size_t maxLocations, int* loc
ations, bool usingBindUniform, int* baseUniformIndex) | 23 static void getProgramUniformLocations(WebGraphicsContext3D* context, unsigned p
rogram, const char** shaderUniforms, size_t count, size_t maxLocations, int* loc
ations, bool usingBindUniform, int* baseUniformIndex) |
24 { | 24 { |
25 for (size_t uniformIndex = 0; uniformIndex < count; uniformIndex ++) { | 25 for (size_t uniformIndex = 0; uniformIndex < count; uniformIndex ++) { |
26 ASSERT(uniformIndex < maxLocations); | 26 ASSERT(uniformIndex < maxLocations); |
27 | 27 |
28 if (usingBindUniform) { | 28 if (usingBindUniform) { |
29 locations[uniformIndex] = (*baseUniformIndex)++; | 29 locations[uniformIndex] = (*baseUniformIndex)++; |
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873 vec4 color1 = vec4(1.0, 1.0, 1.0, 1.0); | 873 vec4 color1 = vec4(1.0, 1.0, 1.0, 1.0); |
874 vec4 color2 = vec4(0.945, 0.945, 0.945, 1.0); | 874 vec4 color2 = vec4(0.945, 0.945, 0.945, 1.0); |
875 vec2 texCoord = clamp(v_texCoord, 0.0, 1.0) * texTransform.zw + texT
ransform.xy; | 875 vec2 texCoord = clamp(v_texCoord, 0.0, 1.0) * texTransform.zw + texT
ransform.xy; |
876 vec2 coord = mod(floor(texCoord * frequency * 2.0), 2.0); | 876 vec2 coord = mod(floor(texCoord * frequency * 2.0), 2.0); |
877 float picker = abs(coord.x - coord.y); | 877 float picker = abs(coord.x - coord.y); |
878 gl_FragColor = mix(color1, color2, picker) * alpha; | 878 gl_FragColor = mix(color1, color2, picker) * alpha; |
879 } | 879 } |
880 ); | 880 ); |
881 } | 881 } |
882 | 882 |
883 } // namespace WebCore | 883 } // namespace cc |
884 | 884 |
885 #endif // USE(ACCELERATED_COMPOSITING) | 885 #endif // USE(ACCELERATED_COMPOSITING) |
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