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Fix T47794: Point density sometime seems stretched when rendered on GPU

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This commit is contained in:
Sergey Sharybin 2016-04-20 14:42:04 +02:00
parent b9d9d93ff9
commit e50d229273
1 changed files with 11 additions and 6 deletions
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17
intern/cycles/device/device_cuda.cpp
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@ -606,22 +606,27 @@ public:
cuda_assert(cuTexRefSetFlags(texref, CU_TRSF_READ_AS_INTEGER));
}
CUaddress_mode address_mode = CU_TR_ADDRESS_MODE_WRAP;
switch(extension) {
case EXTENSION_REPEAT:
cuda_assert(cuTexRefSetAddressMode(texref, 0, CU_TR_ADDRESS_MODE_WRAP));
cuda_assert(cuTexRefSetAddressMode(texref, 1, CU_TR_ADDRESS_MODE_WRAP));
address_mode = CU_TR_ADDRESS_MODE_WRAP;
break;
case EXTENSION_EXTEND:
cuda_assert(cuTexRefSetAddressMode(texref, 0, CU_TR_ADDRESS_MODE_CLAMP));
cuda_assert(cuTexRefSetAddressMode(texref, 1, CU_TR_ADDRESS_MODE_CLAMP));
address_mode = CU_TR_ADDRESS_MODE_CLAMP;
break;
case EXTENSION_CLIP:
cuda_assert(cuTexRefSetAddressMode(texref, 0, CU_TR_ADDRESS_MODE_BORDER));
cuda_assert(cuTexRefSetAddressMode(texref, 1, CU_TR_ADDRESS_MODE_BORDER));
address_mode = CU_TR_ADDRESS_MODE_BORDER;
break;
default:
assert(0);
break;
}
cuda_assert(cuTexRefSetAddressMode(texref, 0, address_mode));
cuda_assert(cuTexRefSetAddressMode(texref, 1, address_mode));
if(mem.data_depth > 1) {
cuda_assert(cuTexRefSetAddressMode(texref, 2, address_mode));
}
cuda_assert(cuTexRefSetFormat(texref, format, mem.data_elements));
cuda_pop_context();