Clément Foucault
987c56c4b6
This port the Blurring of blf fonts to the final drawing shader. We add a bit of extra padding to each glyph so that jittering the texture coord does not sample the neighbor glyphs.
37 lines
687 B
GLSL
37 lines
687 B
GLSL
|
|
layout(points) in;
|
|
layout(triangle_strip, max_vertices = 4) out;
|
|
|
|
in vec4 pos_rect[];
|
|
in vec4 tex_rect[];
|
|
in vec4 color[];
|
|
|
|
flat out vec4 color_flat;
|
|
flat out vec4 texCoord_rect;
|
|
noperspective out vec2 texCoord_interp;
|
|
|
|
void main()
|
|
{
|
|
color_flat = color[0];
|
|
texCoord_rect = tex_rect[0];
|
|
gl_Position.zw = vec2(0.0, 1.0);
|
|
|
|
gl_Position.xy = pos_rect[0].xy;
|
|
texCoord_interp = vec2(0.0, 0.0);
|
|
EmitVertex();
|
|
|
|
gl_Position.xy = pos_rect[0].zy;
|
|
texCoord_interp = vec2(1.0, 0.0);
|
|
EmitVertex();
|
|
|
|
gl_Position.xy = pos_rect[0].xw;
|
|
texCoord_interp = vec2(0.0, 1.0);
|
|
EmitVertex();
|
|
|
|
gl_Position.xy = pos_rect[0].zw;
|
|
texCoord_interp = vec2(1.0, 1.0);
|
|
EmitVertex();
|
|
|
|
EndPrimitive();
|
|
}
|