155     Formatter fs;  in generateFragmentShader()  local
157         fs << "#extension GL_OES_EGL_image_external : require";  in generateFragmentShader()
161     fs << "precision mediump float;";  in generateFragmentShader()
164         fs << "uniform samplerExternalOES sampler;"  in generateFragmentShader()
167         fs << "uniform sampler2D sampler;"  in generateFragmentShader()
170         fs << "uniform vec4 color;";  in generateFragmentShader()
173         fs << "uniform float alphaPlane;";  in generateFragmentShader()
176         fs << "uniform mat4 colorMatrix;";  in generateFragmentShader()
178     fs << "void main(void) {" << indent;  in generateFragmentShader()
180         fs << "gl_FragColor = texture2D(sampler, outTexCoords);";  in generateFragmentShader()
182         fs << "gl_FragColor = color;";  in generateFragmentShader()
185         fs << "gl_FragColor.a = 1.0;";  in generateFragmentShader()
191             fs << "gl_FragColor *= alphaPlane;";  in generateFragmentShader()
193             fs << "gl_FragColor.a *= alphaPlane;";  in generateFragmentShader()
200             fs << "gl_FragColor.rgb = gl_FragColor.rgb/gl_FragColor.a;";  in generateFragmentShader()
202         fs << "vec4 transformed = colorMatrix * vec4(gl_FragColor.rgb, 1);";  in generateFragmentShader()
203         fs << "gl_FragColor.rgb = transformed.rgb/transformed.a;";  in generateFragmentShader()
206             fs << "gl_FragColor.rgb = gl_FragColor.rgb*gl_FragColor.a;";  in generateFragmentShader()
210     fs << dedent << "}";  in generateFragmentShader()
211     return fs.getString();  in generateFragmentShader()
219     String8 fs = generateFragmentShader(needs);  in generateProgram()  local
221     Program* program = new Program(needs, vs.string(), fs.string());  in generateProgram()