Files
oak-editor/app/shaders/crossdissolve.frag
T
itsmattkc 62120f4943 cross dissolve: improved algorithm
Multiplying by alpha twice turned out to be unnecessary.
2019-12-12 19:04:28 +11:00

26 lines
544 B
GLSL

#version 110
varying vec2 ove_texcoord;
uniform sampler2D out_block_in;
uniform sampler2D in_block_in;
uniform bool out_block_in_enabled;
uniform bool in_block_in_enabled;
uniform float ove_tprog_all;
void main(void) {
vec4 composite = vec4(0.0);
if (out_block_in_enabled) {
composite += texture2D(out_block_in, ove_texcoord) * (1.0 - ove_tprog_all);
}
if (in_block_in_enabled) {
vec4 in_block_col = texture2D(in_block_in, ove_texcoord) * ove_tprog_all;
composite += in_block_col;
}
gl_FragColor = composite;
}