Author: davedes (posted 2012-11-11 20:50:53, viewed 406 times)
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| + ------- VERT SHADER -------- +
uniform mat4 u_projView;
attribute vec4 Color;
attribute vec2 TexCoord;
attribute vec2 Position;
varying vec4 vColor;
varying vec2 vTexCoord;
void main() {
vColor = Color;
vTexCoord = TexCoord;
gl_Position = u_projView * vec4(Position.xy, 0, 1);
}
+ ------- FRAG SHADER -------- +
uniform sampler2D u_texture;
uniform sampler2D u_texture1;
uniform sampler2D u_mask;
varying vec4 vColor;
varying vec2 vTexCoord;
void main(void) {
vec4 texColor0 = texture2D(u_texture, vTexCoord);
vec4 texColor1 = texture2D(u_texture1, vTexCoord);
float mask = texture2D(u_mask, vTexCoord).a;
gl_FragColor = vColor * mix(texColor0, texColor1, mask);
} |
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