Differential D17089 Diff 60052 source/blender/gpu/shaders/gpu_shader_text_frag.glsl

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source/blender/gpu/shaders/gpu_shader_text_frag.glsl

#pragma BLENDER_REQUIRE(gpu_shader_colorspace_lib.glsl)		#pragma BLENDER_REQUIRE(gpu_shader_colorspace_lib.glsl)

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));

const vec2 offsets16[16] = vec2[16](vec2(-1.5, 1.5),
vec2(-0.5, 1.5),
vec2(0.5, 1.5),
vec2(1.5, 1.5),
vec2(-1.5, 0.5),
vec2(-0.5, 0.5),
vec2(0.5, 0.5),
vec2(1.5, 0.5),
vec2(-1.5, -0.5),
vec2(-0.5, -0.5),
vec2(0.5, -0.5),
vec2(1.5, -0.5),
vec2(-1.5, -1.5),
vec2(-0.5, -1.5),
vec2(0.5, -1.5),
vec2(1.5, -1.5));

//#define GPU_NEAREST		//#define GPU_NEAREST
#define sample_glyph_offset(texel, ofs) \		#define sample_glyph_offset(texel, ofs) \
texture_1D_custom_bilinear_filter(texCoord_interp + ofs * texel)		texture_1D_custom_bilinear_filter(texCoord_interp + ofs * texel)

float texel_fetch(int index)		float texel_fetch(int index)
{		{
int size_x = textureSize(glyph, 0).r;		int size_x = textureSize(glyph, 0).r;
if (index >= size_x) {		if (index >= size_x) {
▲ Show 20 Lines • Show All 56 Lines • ▼ Show 20 Lines	void main()
if (interp_size == 0) {		if (interp_size == 0) {
fragColor.a = texture_1D_custom_bilinear_filter(texCoord_interp);		fragColor.a = texture_1D_custom_bilinear_filter(texCoord_interp);
}		}
else {		else {
vec2 texel = 1.0 / vec2(glyph_dim);		vec2 texel = 1.0 / vec2(glyph_dim);
fragColor.a = 0.0;		fragColor.a = 0.0;

if (interp_size == 1) {		if (interp_size == 1) {
		/* NOTE(Metal): Declaring constant array in function scope to avoid increasing local shader
		* memory pressure.*/
		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));

/* 3x3 blur */		/* 3x3 blur */
/* Manual unroll for perf. (stupid glsl compiler) */		/* Manual unroll for perf. (stupid glsl compiler) */
fragColor.a += sample_glyph_offset(texel, offsets4[0]);		fragColor.a += sample_glyph_offset(texel, offsets4[0]);
fragColor.a += sample_glyph_offset(texel, offsets4[1]);		fragColor.a += sample_glyph_offset(texel, offsets4[1]);
fragColor.a += sample_glyph_offset(texel, offsets4[2]);		fragColor.a += sample_glyph_offset(texel, offsets4[2]);
fragColor.a += sample_glyph_offset(texel, offsets4[3]);		fragColor.a += sample_glyph_offset(texel, offsets4[3]);
fragColor.a *= (1.0 / 4.0);		fragColor.a *= (1.0 / 4.0);
}		}
else {		else {
		/* NOTE(Metal): Declaring constant array in function scope to avoid increasing local shader
		* memory pressure.*/
		const vec2 offsets16[16] = vec2[16](vec2(-1.5, 1.5),
		vec2(-0.5, 1.5),
		vec2(0.5, 1.5),
		vec2(1.5, 1.5),
		vec2(-1.5, 0.5),
		vec2(-0.5, 0.5),
		vec2(0.5, 0.5),
		vec2(1.5, 0.5),
		vec2(-1.5, -0.5),
		vec2(-0.5, -0.5),
		vec2(0.5, -0.5),
		vec2(1.5, -0.5),
		vec2(-1.5, -1.5),
		vec2(-0.5, -1.5),
		vec2(0.5, -1.5),
		vec2(1.5, -1.5));

/* 5x5 blur */		/* 5x5 blur */
/* Manual unroll for perf. (stupid glsl compiler) */		/* Manual unroll for perf. (stupid glsl compiler) */
fragColor.a += sample_glyph_offset(texel, offsets16[0]);		fragColor.a += sample_glyph_offset(texel, offsets16[0]);
fragColor.a += sample_glyph_offset(texel, offsets16[1]);		fragColor.a += sample_glyph_offset(texel, offsets16[1]);
fragColor.a += sample_glyph_offset(texel, offsets16[2]);		fragColor.a += sample_glyph_offset(texel, offsets16[2]);
fragColor.a += sample_glyph_offset(texel, offsets16[3]);		fragColor.a += sample_glyph_offset(texel, offsets16[3]);

fragColor.a += sample_glyph_offset(texel, offsets16[4]);		fragColor.a += sample_glyph_offset(texel, offsets16[4]);
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