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Diffstat (limited to 'src/opengl/util/texture_brush.glsl')
-rw-r--r--src/opengl/util/texture_brush.glsl21
1 files changed, 0 insertions, 21 deletions
diff --git a/src/opengl/util/texture_brush.glsl b/src/opengl/util/texture_brush.glsl
deleted file mode 100644
index 949825583f..0000000000
--- a/src/opengl/util/texture_brush.glsl
+++ /dev/null
@@ -1,21 +0,0 @@
-uniform sampler2D brush_texture;
-uniform vec2 inv_brush_texture_size;
-uniform vec3 inv_matrix_m0;
-uniform vec3 inv_matrix_m1;
-uniform vec3 inv_matrix_m2;
-
-vec4 brush()
-{
- mat3 mat;
-
- mat[0] = inv_matrix_m0;
- mat[1] = inv_matrix_m1;
- mat[2] = inv_matrix_m2;
-
- vec3 hcoords = mat * vec3(gl_FragCoord.xy, 1);
- vec2 coords = hcoords.xy / hcoords.z;
-
- coords *= inv_brush_texture_size;
-
- return texture2D(brush_texture, coords);
-}