| uniform sampler2D m_Texture; | |
| varying vec2 texCoord; | |
| uniform float m_gamma; | |
| vec3 gamma(vec3 L,float gamma) | |
| { | |
| return pow(L, vec3(1.0 / gamma)); | |
| } | |
| void main() { | |
| vec4 texVal = texture2D(m_Texture, texCoord); | |
| if(m_gamma > 0.0) | |
| { | |
| texVal.rgb = gamma(texVal.rgb , m_gamma); | |
| } | |
| #ifdef COMPUTE_LUMA | |
| texVal.a = dot(texVal.rgb, vec3(0.299, 0.587, 0.114)); | |
| #endif | |
| gl_FragColor = texVal; | |
| } |