restructure

1 files changed, 0 insertions, 119 deletions

diff --git a/framebuffers/shaders/screen.fs b/framebuffers/shaders/screen.fs
deleted file mode 100644
index 8f0b2da..0000000
--- a/framebuffers/shaders/screen.fs
+++ /dev/null
@@ -1,119 +0,0 @@
-#version 330 core
-
-out vec4 frag_color;
-
-in vec2 tex_coords;
-
-uniform sampler2D texture1;
-
-vec4
-inversion()
-{
-    vec4 result = vec4(1.0f-vec3(texture(texture1, tex_coords)), 1.0f);
-    return(result);
-}
-
-vec4
-grayscale_average()
-{
-    vec4 tex_color = texture(texture1, tex_coords);
-    float average = (tex_color.r+tex_color.g+tex_color.b)/3.0f;
-    vec4 result = vec4(average, average, average, 1.0f);
-    return(result);
-}
-
-vec4
-grayscale_weights()
-{
-    vec4 tex_color = texture(texture1, tex_coords);
-    float average = 0.2126*tex_color.r+0.7152*tex_color.g+0.0722f*tex_color.b;
-    vec4 result = vec4(average, average, average, 1.0f);
-    return(result);
-}
-
-const float offset = 1.0f/300.0f;
-
-vec4
-kernel_effect(float[9] kernel)
-{
-    vec2 offsets[9] = vec2[](
-        vec2(-offset, offset), /* top-left */
-        vec2(0.0f, offset), /* top-center */
-        vec2(offset, offset), /* top-right */
-        vec2(-offset, 0.0f), /* center-left */
-        vec2(0.0f, 0.0f), /* center-center */
-        vec2(offset, 0.0f), /* center-right */
-        vec2(-offset, -offset), /* bottom-left */
-        vec2(0.0f, -offset), /* bottom-center */
-        vec2(offset, -offset) /* bottom-right */
-    );
-
-    vec3 sample_texture[9];
-    for (int offset_index = 0;
-         offset_index < 9;
-         ++offset_index)
-    {
-        sample_texture[offset_index] =
-            vec3(texture(texture1, tex_coords+offsets[offset_index]));
-    }
-
-    vec3 color = vec3(0.0f);
-    for (int i = 0; i < 9; ++i)
-        color += sample_texture[i]*kernel[i];
-
-    return(vec4(color, 1.0f));
-}
-
-void
-main(void)
-{
-    float strange_kernel[9] = float[](
-        -1, -1, -1,
-        -1,  9, -1,
-        -1, -1, -1
-    );
-
-    float gaussian_blur_kernel[9] = float[](
-        1.0f/16.0f, 2.0f/16.0f, 1.0f/16.0f,
-        2.0f/16.0f, 4.0f/16.0f, 2.0f/16.0f,
-        1.0f/16.0f, 2.0f/16.0f, 1.0f/16.0f
-    );
-
-    float box_blur_kernel[9] = float[](
-        1.0f/9.0f, 1.0f/9.0f, 1.0f/9.0f,
-        1.0f/9.0f, 1.0f/9.0f, 1.0f/9.0f,
-        1.0f/9.0f, 1.0f/9.0f, 1.0f/9.0f
-    );
-
-    float edge_detection_kernel[9] = float[](
-        1.0f,  1.0f,  1.0f,
-        1.0f, -8.0f,  1.0f,
-        1.0f,  1.0f,  1.0f
-    );
-
-    float sharpening_kernel[9] = float[](
-         0.0f, -1.0f,  0.0f,
-        -1.0f,  5.0f, -1.0f,
-         0.0f, -1.0f,  0.0f
-    );
-
-    float sobel_kernel_vertical[9] = float[](
-        -1.0f, 0.0f, 1.0f,
-        -2.0f, 0.0f, 2.0f,
-        -1.0f, 0.0f, 0.0f
-    );
-    float sobel_kernel_horizontal[9] = float[](
-        -1.0f, -2.0f, -1.0f,
-         0.0f,  0.0f,  0.0f,
-         1.0f,  2.0f,  1.0f
-    );
-
-    float funny_kernel[9] = float[](
-        1.0f,  1.0f,  1.0f,
-        1.0f, -4.0f,  1.0f,
-        1.0f,  1.0f,  1.0f
-    );
-
-    frag_color = kernel_effect(funny_kernel);
-    frag_color *= vec4(0.76f, 0.47f, 0.84f, 1.0f);
-}