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Fix filter width/offset in density blur.

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Fun fact: static initializers of the wrong length are filled with zeros
or whatever. Thanks, C! (This fixes some of the anisotropy which you can
kinda see all over the place with the bugged filtering. Very subtle but
still important to fix.)
This commit is contained in:
Steven Robertson 2012-04-06 21:08:44 -07:00
parent 5d3b290c43
commit b1b09c4bde
1 changed files with 5 additions and 5 deletions
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10
cuburn/code/filters.py
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@ -72,7 +72,7 @@ fma_buf(float4 *dst, const float4 *src, int astride, float scale) {
denblurlib = devlib(decls='''
texture<float, cudaTextureType2D> blur_src;
__constant__ float gauss_coefs[9] = {
__constant__ float gauss_coefs[7] = {
0.00443305f, 0.05400558f, 0.24203623f, 0.39905028f,
0.24203623f, 0.05400558f, 0.00443305f
};
@ -88,8 +88,8 @@ __global__ void den_blur(float *dst, int pattern, int upsample) {
float den = 0.0f;
#pragma unroll
for (int i = 0; i < 9; i++)
den += tex_shear(bilateral_src, pattern, x, y, (i - 4) << upsample).w
for (int i = 0; i < 7; i++)
den += tex_shear(bilateral_src, pattern, x, y, (i - 3) << upsample).w
* gauss_coefs[i];
dst[yi * (blockDim.x * gridDim.x) + xi] = den;
}
@ -103,8 +103,8 @@ __global__ void den_blur_1c(float *dst, int pattern, int upsample) {
float den = 0.0f;
#pragma unroll
for (int i = 0; i < 9; i++)
den += tex_shear(blur_src, pattern, x, y, (i - 4) << upsample)
for (int i = 0; i < 7; i++)
den += tex_shear(blur_src, pattern, x, y, (i - 3) << upsample)
* gauss_coefs[i];
dst[yi * (blockDim.x * gridDim.x) + xi] = den;
}