gtk2/gsk/ngl/resources/custom.glsl
Matthias Clasen ebe30d851b ngl: Identify shaders
Add a comment with a name to each shader. That makes
identifying the shaders in apitrace much easier.
2021-03-12 15:35:40 -05:00

26 lines
589 B
GLSL

// VERTEX_SHADER:
// custom.glsl
void main() {
gl_Position = u_projection * u_modelview * vec4(aPosition, 0.0, 1.0);
vUv = vec2(aUv.x, aUv.y);
}
// FRAGMENT_SHADER:
// custom.glsl
// The shader supplies:
void mainImage(out vec4 fragColor, in vec2 fragCoord, in vec2 resolution, in vec2 uv);
uniform vec2 u_size;
uniform sampler2D u_source2;
uniform sampler2D u_source3;
uniform sampler2D u_source4;
void main() {
vec4 fragColor;
vec2 fragCoord = vec2(vUv.x * u_size.x, (1.0-vUv.y) * u_size.y);
mainImage(fragColor, fragCoord, u_size, vUv);
gskSetOutputColor(fragColor);
}