mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
65 lines
1.2 KiB
GLSL
65 lines
1.2 KiB
GLSL
//------------------------------------------------------------------------------
|
|
// Shader code for texcube-sapp sample.
|
|
//
|
|
// NOTE: This source file also uses the '#pragma sokol' form of the
|
|
// custom tags.
|
|
//------------------------------------------------------------------------------
|
|
//#pragma sokol @ctype mat4 hmm_mat4
|
|
|
|
#pragma sokol @vs vs_i
|
|
uniform vs_params_i {
|
|
mat4 mvp;
|
|
};
|
|
|
|
in vec4 pos;
|
|
in vec4 color0;
|
|
in vec2 texcoord0;
|
|
|
|
in vec4 inst_pos;
|
|
|
|
out vec4 color;
|
|
out vec4 color_inst;
|
|
out vec2 uv;
|
|
|
|
const vec4 palette[10] = vec4[10](
|
|
vec4(1,0,0,1),
|
|
vec4(0,1,0,1),
|
|
vec4(0,0,1,1),
|
|
vec4(1,1,0,1),
|
|
vec4(0,1,1,1),
|
|
vec4(1,1,1,1),
|
|
vec4(0,0,0,1),
|
|
vec4(0.2,0.2,0.2,1),
|
|
vec4(0.3,0.3,0.3,1),
|
|
vec4(0.9,0.9,0.9,1)
|
|
);
|
|
|
|
void main() {
|
|
vec4 delta_pos = vec4(inst_pos.xyz,0);
|
|
float w = inst_pos.w;
|
|
color_inst = palette[int(w)];
|
|
gl_Position = mvp * (pos + delta_pos);
|
|
color = color0;
|
|
uv = texcoord0/4;
|
|
}
|
|
#pragma sokol @end
|
|
|
|
#pragma sokol @fs fs_i
|
|
uniform sampler2D tex;
|
|
|
|
in vec4 color;
|
|
in vec4 color_inst;
|
|
in vec2 uv;
|
|
out vec4 frag_color;
|
|
|
|
void main() {
|
|
vec4 c = color;
|
|
vec4 txt = texture(tex, uv);
|
|
c = txt * c * color_inst;
|
|
frag_color = c ;
|
|
}
|
|
|
|
#pragma sokol @end
|
|
|
|
#pragma sokol @program instancing vs_i fs_i
|