diff options
Diffstat (limited to 'vendor/gioui.org/shader/gio/zintersect.vert.0.glsl150')
-rw-r--r-- | vendor/gioui.org/shader/gio/zintersect.vert.0.glsl150 | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/vendor/gioui.org/shader/gio/zintersect.vert.0.glsl150 b/vendor/gioui.org/shader/gio/zintersect.vert.0.glsl150 new file mode 100644 index 0000000..656b4c9 --- /dev/null +++ b/vendor/gioui.org/shader/gio/zintersect.vert.0.glsl150 @@ -0,0 +1,35 @@ +#version 150 + +struct m3x2 +{ + vec3 r0; + vec3 r1; +}; + +struct Block +{ + vec4 uvTransform; + vec4 subUVTransform; +}; + +uniform Block _block; + +in vec2 pos; +out vec2 vUV; +in vec2 uv; + +vec3 transform3x2(m3x2 t, vec3 v) +{ + return vec3(dot(t.r0, v), dot(t.r1, v), dot(vec3(0.0, 0.0, 1.0), v)); +} + +void main() +{ + m3x2 param = m3x2(vec3(1.0, 0.0, 0.0), vec3(0.0, 1.0, 0.0)); + vec3 param_1 = vec3(pos, 1.0); + vec3 p = transform3x2(param, param_1); + gl_Position = vec4(p, 1.0); + vUV = (uv * _block.subUVTransform.xy) + _block.subUVTransform.zw; + vUV = (vUV * _block.uvTransform.xy) + _block.uvTransform.zw; +} + |