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Remove "poor man's anti-aliasing" for Fill and instead render a small border width for fill

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This commit is contained in:
Grant Sanderson
2023-01-27 16:15:20 -08:00
parent 3a01eb31bd
commit 71ef39ea5b
2 changed files with 28 additions and 25 deletions
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17
manimlib/utils/shaders.py
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@ -150,8 +150,6 @@ def get_fill_canvas(ctx) -> Tuple[Framebuffer, VertexArray, Tuple[float, float,
#version 330
uniform sampler2D Texture;
uniform float v_nudge;
uniform float h_nudge;
uniform vec3 null_rgb;
in vec2 v_textcoord;
@ -160,17 +158,7 @@ def get_fill_canvas(ctx) -> Tuple[Framebuffer, VertexArray, Tuple[float, float,
const float MIN_DIST_TO_NULL = 0.2;
void main() {
// Apply poor man's anti-aliasing
vec2 nudges[4] = vec2[4](
vec2(0, 0),
vec2(0, h_nudge),
vec2(v_nudge, 0),
vec2(v_nudge, h_nudge)
);
color = vec4(0.0);
for(int i = 0; i < 4; i++){
color += 0.25 * texture(Texture, v_textcoord + nudges[i]);
}
color = texture(Texture, v_textcoord);
if(distance(color.rgb, null_rgb) < MIN_DIST_TO_NULL) discard;
// Un-blend from the null value
@ -182,9 +170,6 @@ def get_fill_canvas(ctx) -> Tuple[Framebuffer, VertexArray, Tuple[float, float,
)
simple_program['Texture'].value = get_texture_id(texture)
# Half pixel width/height
simple_program['h_nudge'].value = 0.5 / size[0]
simple_program['v_nudge'].value = 0.5 / size[1]
simple_program['null_rgb'].value = null_rgb
verts = np.array([[0, 0], [0, 1], [1, 0], [1, 1]])