Cleaned up OpenGL1 paint engine GLSL code.

Fixed warnings about int->float and float->vecN conversions. Removed
unused shader files.

Reviewed-by: Trond

1 files changed, 0 insertions, 24 deletions

diff --git a/src/opengl/util/ellipse_aa_radial.glsl b/src/opengl/util/ellipse_aa_radial.glsl
deleted file mode 100644
index 0878f99..0000000
--- a/src/opengl/util/ellipse_aa_radial.glsl
+++ /dev/null
@@ -1,24 +0,0 @@
-#include "ellipse_functions.glsl"
-
-uniform sampler1D palette;
-uniform vec2 fmp;
-uniform float fmp2_m_radius2;
-uniform vec4 inv_matrix;
-uniform vec2 inv_matrix_offset;
-
-void main()
-{
-    //     float2 A = frag_coord.xy;//mul(inv_matrix, frag_coord.xy) + inv_matrix_offset;
-    mat2 mat;
-    mat[0][0] = inv_matrix.x;
-    mat[0][1] = inv_matrix.y;
-    mat[1][0] = inv_matrix.z;
-    mat[1][1] = inv_matrix.w;
-    vec2 A = gl_FragCoord.xy * mat + inv_matrix_offset;
-    vec2 B = fmp;
-    float a = fmp2_m_radius2;
-    float b = 2.0*dot(A, B);
-    float c = -dot(A, A);
-    float val = (-b + sqrt(b*b - 4.0*a*c)) / (2.0*a);
-    gl_FragColor = texture1D(palette, val) * ellipse_aa();
-}