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Fix Cycles backing issues when using multiple devices 

The pixel accessor was not aware of possible offset in the
pixel padding causing some slices of the result not being
properly padded.
This commit is contained in:
Sergey Sharybin 2021-10-13 10:34:17 +02:00
parent 9c412b6e2d
commit f12513a21c
1 changed files with 5 additions and 2 deletions
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7
intern/cycles/integrator/pass_accessor.cpp
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@ -98,7 +98,10 @@ static void pad_pixels(const BufferParams &buffer_params,
const size_t size = static_cast<size_t>(buffer_params.width) * buffer_params.height;
if (destination.pixels) {
float *pixel = destination.pixels;
const size_t pixel_stride = destination.pixel_stride ? destination.pixel_stride :
destination.num_components;
float *pixel = destination.pixels + pixel_stride * destination.offset;
for (size_t i = 0; i < size; i++, pixel += dest_num_components) {
if (dest_num_components >= 3 && src_num_components == 1) {
@ -113,7 +116,7 @@ static void pad_pixels(const BufferParams &buffer_params,
if (destination.pixels_half_rgba) {
const half one = float_to_half(1.0f);
half4 *pixel = destination.pixels_half_rgba;
half4 *pixel = destination.pixels_half_rgba + destination.offset;
for (size_t i = 0; i < size; i++, pixel++) {
if (dest_num_components >= 3 && src_num_components == 1) {