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fgdata/Shaders/display.frag
2012-08-05 00:08:23 +01:00

43 lines
1.5 KiB
GLSL

uniform sampler2D lighting_tex;
uniform sampler2D bloom_tex;
uniform sampler2D bufferNW_tex;
uniform sampler2D bufferNE_tex;
uniform sampler2D bufferSW_tex;
uniform sampler2D bufferSE_tex;
uniform bool showBuffers;
uniform bool bloomEnabled;
uniform float bloomStrength;
uniform bool bloomBuffers;
uniform bool bufferNW_enabled;
uniform bool bufferNE_enabled;
uniform bool bufferSW_enabled;
uniform bool bufferSE_enabled;
void main() {
vec2 coords = gl_TexCoord[0].xy;
vec4 color;
if (showBuffers) {
if (coords.x < 0.2 && coords.y < 0.2 && bufferSW_enabled) {
color = texture2D( bufferSW_tex, coords * 5.0 );
} else if (coords.x >= 0.8 && coords.y >= 0.8 && bufferNE_enabled) {
color = texture2D( bufferNE_tex, (coords - vec2( 0.8, 0.8 )) * 5.0 );
} else if (coords.x >= 0.8 && coords.y < 0.2 && bufferSE_enabled) {
color = texture2D( bufferSE_tex, (coords - vec2( 0.8, 0.0 )) * 5.0 );
} else if (coords.x < 0.2 && coords.y >= 0.8 && bufferNW_enabled) {
color = texture2D( bufferNW_tex, (coords - vec2( 0.0, 0.8 )) * 5.0 );
} else {
color = texture2D( lighting_tex, coords );
if (bloomEnabled && bloomBuffers)
color = color + bloomStrength * texture2D( bloom_tex, coords );
}
} else {
color = texture2D( lighting_tex, coords );
if (bloomEnabled && bloomBuffers)
color = color + bloomStrength * texture2D( bloom_tex, coords );
}
gl_FragColor = color;
}