diff options
author | Lukas Stockner <lukas.stockner@freenet.de> | 2017-06-09 23:27:49 +0300 |
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committer | Lukas Stockner <lukas.stockner@freenet.de> | 2017-06-09 23:38:16 +0300 |
commit | 7dc51f87ed239470f8b7a62c48757142bc078ae4 (patch) | |
tree | b28a80cf4c73df049b227521f36e92bdbcfdc24c /intern/cycles/kernel/filter | |
parent | f0bbb67e8af3605a7cc2fe2ed742c506d35cfa79 (diff) |
Cycles Denoising: Speedup reconstruction by skipping near-zero weights
Diffstat (limited to 'intern/cycles/kernel/filter')
-rw-r--r-- | intern/cycles/kernel/filter/filter_nlm_cpu.h | 2 | ||||
-rw-r--r-- | intern/cycles/kernel/filter/filter_nlm_gpu.h | 2 | ||||
-rw-r--r-- | intern/cycles/kernel/filter/filter_reconstruction.h | 4 |
3 files changed, 6 insertions, 2 deletions
diff --git a/intern/cycles/kernel/filter/filter_nlm_cpu.h b/intern/cycles/kernel/filter/filter_nlm_cpu.h index 88afc00ccb3..3e752bce68f 100644 --- a/intern/cycles/kernel/filter/filter_nlm_cpu.h +++ b/intern/cycles/kernel/filter/filter_nlm_cpu.h @@ -101,7 +101,7 @@ ccl_device_inline void kernel_filter_nlm_calc_weight(const float *ccl_restrict d for(int x = rect.x; x < rect.z; x++) { const int low = max(rect.x, x-f); const int high = min(rect.z, x+f+1); - out_image[y*w+x] = expf(-max(out_image[y*w+x] * (1.0f/(high - low)), 0.0f)); + out_image[y*w+x] = fast_expf(-max(out_image[y*w+x] * (1.0f/(high - low)), 0.0f)); } } } diff --git a/intern/cycles/kernel/filter/filter_nlm_gpu.h b/intern/cycles/kernel/filter/filter_nlm_gpu.h index 62bd5be1de5..2c5ac807051 100644 --- a/intern/cycles/kernel/filter/filter_nlm_gpu.h +++ b/intern/cycles/kernel/filter/filter_nlm_gpu.h @@ -66,7 +66,7 @@ ccl_device_inline void kernel_filter_nlm_calc_weight(int x, int y, sum += difference_image[y*w+x1]; } sum *= 1.0f/(high-low); - out_image[y*w+x] = expf(-max(sum, 0.0f)); + out_image[y*w+x] = fast_expf(-max(sum, 0.0f)); } ccl_device_inline void kernel_filter_nlm_update_output(int x, int y, diff --git a/intern/cycles/kernel/filter/filter_reconstruction.h b/intern/cycles/kernel/filter/filter_reconstruction.h index 90a2816ddf7..538d57d3dc9 100644 --- a/intern/cycles/kernel/filter/filter_reconstruction.h +++ b/intern/cycles/kernel/filter/filter_reconstruction.h @@ -29,6 +29,10 @@ ccl_device_inline void kernel_filter_construct_gramian(int x, int y, ccl_global float3 *XtWY, int localIdx) { + if(weight < 1e-3f) { + return; + } + int p_offset = y *w + x; int q_offset = (y+dy)*w + (x+dx); |