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fix cuda box filter typo

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박신석 2023-02-18 22:52:26 +09:00
parent 24bd894ea4
commit daaab7dd74
1 changed files with 4 additions and 4 deletions
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8
Samples/2_Concepts_and_Techniques/boxFilter/boxFilter_kernel.cu
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@ -129,7 +129,7 @@ __device__ void d_boxfilter_y(float *id, float *od, int w, int h, int r) {
float scale = 1.0f / (float)((r << 1) + 1); float scale = 1.0f / (float)((r << 1) + 1);
float t; float t;
// do left edge // do top edge
t = id[0] * r; t = id[0] * r;
for (int y = 0; y < (r + 1); y++) { for (int y = 0; y < (r + 1); y++) {
@ -151,7 +151,7 @@ __device__ void d_boxfilter_y(float *id, float *od, int w, int h, int r) {
od[y * w] = t * scale; od[y * w] = t * scale;
} }
// do right edge // do bottom edge
for (int y = h - r; y < h; y++) { for (int y = h - r; y < h; y++) {
t += id[(h - 1) * w]; t += id[(h - 1) * w];
t -= id[((y - r) * w) - w]; t -= id[((y - r) * w) - w];
@ -271,7 +271,7 @@ __global__ void d_boxfilter_rgba_y(unsigned int *id, unsigned int *od, int w,
float scale = 1.0f / (float)((r << 1) + 1); float scale = 1.0f / (float)((r << 1) + 1);
float4 t; float4 t;
// do left edge // do top edge
t = rgbaIntToFloat(id[0]) * r; t = rgbaIntToFloat(id[0]) * r;
for (int y = 0; y < (r + 1); y++) { for (int y = 0; y < (r + 1); y++) {
@ -293,7 +293,7 @@ __global__ void d_boxfilter_rgba_y(unsigned int *id, unsigned int *od, int w,
od[y * w] = rgbaFloatToInt(t * scale); od[y * w] = rgbaFloatToInt(t * scale);
} }
// do right edge // do bottom edge
for (int y = h - r; y < h; y++) { for (int y = h - r; y < h; y++) {
t += rgbaIntToFloat(id[(h - 1) * w]); t += rgbaIntToFloat(id[(h - 1) * w]);
t -= rgbaIntToFloat(id[((y - r) * w) - w]); t -= rgbaIntToFloat(id[((y - r) * w) - w]);