ilikecats/stk-code_catmod
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This commit is contained in:
Vincent Lejeune 2014-11-15 19:18:07 +01:00
parent 3c42223add
commit 687bb6e065
2 changed files with 16 additions and 16 deletions
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16
data/shaders/gaussian6h.comp
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@ -7,19 +7,19 @@ uniform float sigma;
layout (local_size_x = 8, local_size_y = 8) in;
shared vec3 local_src[8 + 2 * 8][8];
shared vec3 local_src[8 + 2 * 6][8];
void main()
{
int x = int(gl_LocalInvocationID.x), y = int(gl_LocalInvocationID.y);
ivec2 iuv = ivec2(gl_GlobalInvocationID.x, gl_GlobalInvocationID.y);
vec2 uv_m = (iuv - ivec2(8, 0)) * pixel;
vec2 uv_m = (iuv - ivec2(6, 0)) * pixel;
vec2 uv = iuv * pixel;
vec2 uv_p = (iuv + ivec2(8, 0)) * pixel;
vec2 uv_p = (iuv + ivec2(6, 0)) * pixel;
local_src[x][y] = texture(source, uv_m).rgb;
local_src[x + 8][y] = texture(source, uv).rgb;
local_src[x + 16][y] = texture(source, uv_p).rgb;
local_src[x + 6][y] = texture(source, uv).rgb;
local_src[x + 12][y] = texture(source, uv_p).rgb;
barrier();
@ -27,12 +27,12 @@ void main()
g0 = 1.0 / (sqrt(2.0 * 3.14) * sigma);
g1 = exp(-0.5 / (sigma * sigma));
g2 = g1 * g1;
vec3 sum = local_src[x + 8][y] * g0;
vec3 sum = local_src[x + 6][y] * g0;
g0 *= g1;
g1 *= g2;
for (int i = 1; i < 6; i++) {
sum += local_src[8 + x - i][y] * g0;
sum += local_src[8 + x + i][y] * g0;
sum += local_src[6 + x - i][y] * g0;
sum += local_src[6 + x + i][y] * g0;
g0 *= g1;
g1 *= g2;
}

16
data/shaders/gaussian6v.comp
View File

@ -7,19 +7,19 @@ uniform float sigma;
layout (local_size_x = 8, local_size_y = 8) in;
shared vec3 local_src[8][8 + 2 * 8];
shared vec3 local_src[8][8 + 2 * 6];
void main()
{
int x = int(gl_LocalInvocationID.x), y = int(gl_LocalInvocationID.y);
ivec2 iuv = ivec2(gl_GlobalInvocationID.x, gl_GlobalInvocationID.y);
vec2 uv_m = (iuv - ivec2(0, 8)) * pixel;
vec2 uv_m = (iuv - ivec2(0, 6)) * pixel;
vec2 uv = iuv * pixel;
vec2 uv_p = (iuv + ivec2(0, 8)) * pixel;
vec2 uv_p = (iuv + ivec2(0, 6)) * pixel;
local_src[x][y] = texture(source, uv_m).rgb;
local_src[x][y + 8] = texture(source, uv).rgb;
local_src[x][y + 16] = texture(source, uv_p).rgb;
local_src[x][y + 6] = texture(source, uv).rgb;
local_src[x][y + 12] = texture(source, uv_p).rgb;
barrier();
@ -27,12 +27,12 @@ void main()
g0 = 1.0 / (sqrt(2.0 * 3.14) * sigma);
g1 = exp(-0.5 / (sigma * sigma));
g2 = g1 * g1;
vec3 sum = local_src[x][y + 8] * g0;
vec3 sum = local_src[x][y + 6] * g0;
g0 *= g1;
g1 *= g2;
for (int i = 1; i < 6; i++) {
sum += local_src[x][8 + y - i] * g0;
sum += local_src[x][8 + y + i] * g0;
sum += local_src[x][6 + y - i] * g0;
sum += local_src[x][6 + y + i] * g0;
g0 *= g1;
g1 *= g2;
}