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Differential D6296 Diff 20013 source/blender/gpu/shaders/gpu_shader_text_frag.glsl

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source/blender/gpu/shaders/gpu_shader_text_frag.glsl

flat in vec4 color_flat; flat in vec4 color_flat;
flat in vec4 texCoord_rect;
noperspective in vec2 texCoord_interp; noperspective in vec2 texCoord_interp;
out vec4 fragColor; out vec4 fragColor;
uniform sampler2D glyph; uniform sampler2D glyph;
const vec2 offsets4[4] = vec2[4]( const vec2 offsets4[4] = vec2[4](
vec2(-0.5, 0.5), vec2(0.5, 0.5), vec2(-0.5, -0.5), vec2(-0.5, -0.5)); vec2(-0.5, 0.5), vec2(0.5, 0.5), vec2(-0.5, -0.5), vec2(-0.5, -0.5));
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#define sample_glyph_offset(texco, texel, ofs) texture(glyph, texco + ofs * texel).r #define sample_glyph_offset(texco, texel, ofs) texture(glyph, texco + ofs * texel).r
void main() void main()
{ {
// input color replaces texture color // input color replaces texture color
fragColor.rgb = color_flat.rgb; fragColor.rgb = color_flat.rgb;
vec2 texel = 1.0 / vec2(textureSize(glyph, 0)); vec2 texel = 1.0 / vec2(textureSize(glyph, 0));
vec2 texco = mix(abs(texCoord_rect.xy), abs(texCoord_rect.zw), texCoord_interp); vec2 texco = abs(texCoord_interp);
// modulate input alpha & texture alpha // modulate input alpha & texture alpha
if (texCoord_rect.x > 0) { if (texCoord_interp.x > 0) {
fragColor.a = texture(glyph, texco).r; fragColor.a = texture(glyph, texco).r;
} }
else { else {
fragColor.a = 0.0; fragColor.a = 0.0;
if (texCoord_rect.w > 0) { if (texCoord_interp.y > 0) {
/* 3x3 blur */ /* 3x3 blur */
/* Manual unroll for perf. (stupid glsl compiler) */ /* Manual unroll for perf. (stupid glsl compiler) */
fragColor.a += sample_glyph_offset(texco, texel, offsets4[0]); fragColor.a += sample_glyph_offset(texco, texel, offsets4[0]);
fragColor.a += sample_glyph_offset(texco, texel, offsets4[1]); fragColor.a += sample_glyph_offset(texco, texel, offsets4[1]);
fragColor.a += sample_glyph_offset(texco, texel, offsets4[2]); fragColor.a += sample_glyph_offset(texco, texel, offsets4[2]);
fragColor.a += sample_glyph_offset(texco, texel, offsets4[3]); fragColor.a += sample_glyph_offset(texco, texel, offsets4[3]);
fragColor.a *= (1.0 / 4.0); fragColor.a *= (1.0 / 4.0);
} }
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