Cycles: Add implementation of clip extension mode

For now there's no OpenCL support, it'll come later.

1 files changed, 13 insertions, 7 deletions

diff --git a/intern/cycles/device/device_cuda.cpp b/intern/cycles/device/device_cuda.cpp
index 9703b786289..a47d4edeb56 100644
--- a/intern/cycles/device/device_cuda.cpp
+++ b/intern/cycles/device/device_cuda.cpp
@@ -513,13 +513,19 @@ public:
 				cuda_assert(cuTexRefSetFlags(texref, CU_TRSF_READ_AS_INTEGER));
 			}
 
-			if(extension == EXTENSION_REPEAT) {
-				cuda_assert(cuTexRefSetAddressMode(texref, 0, CU_TR_ADDRESS_MODE_WRAP));
-				cuda_assert(cuTexRefSetAddressMode(texref, 1, CU_TR_ADDRESS_MODE_WRAP));
-			}
-			else {
-				cuda_assert(cuTexRefSetAddressMode(texref, 0, CU_TR_ADDRESS_MODE_CLAMP));
-				cuda_assert(cuTexRefSetAddressMode(texref, 1, CU_TR_ADDRESS_MODE_CLAMP));
+			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));
+					break;
+				case EXTENSION_EXTEND:
+					cuda_assert(cuTexRefSetAddressMode(texref, 0, CU_TR_ADDRESS_MODE_CLAMP));
+					cuda_assert(cuTexRefSetAddressMode(texref, 1, 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));
+					break;
 			}
 			cuda_assert(cuTexRefSetFormat(texref, format, mem.data_elements));