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add missing shaders

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milek7
2018-10-18 20:42:00 +02:00
parent 9f79d26062
commit 48d5a2f591
2 changed files with 53 additions and 0 deletions
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28
shaders/celestial.vert Normal file
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@@ -0,0 +1,28 @@
const vec2 vert[4] = vec2[]
(
vec2(-1.0, 1.0),
vec2(-1.0, -1.0),
vec2( 1.0, 1.0),
vec2( 1.0, -1.0)
);
out vec2 f_coord;
#include <common>
void main()
{
gl_Position = projection * (vec4(param[1].xyz, 1.0) + vec4(vert[gl_VertexID] * param[1].w, 0.0, 0.0));
vec2 coord = param[2].xy;
float size = param[2].z;
if (gl_VertexID == 0)
f_coord = vec2(coord.x, coord.y);
if (gl_VertexID == 1)
f_coord = vec2(coord.x, coord.y - size);
if (gl_VertexID == 2)
f_coord = vec2(coord.x + size, coord.y);
if (gl_VertexID == 3)
f_coord = vec2(coord.x + size, coord.y - size);
}