P4 to Git Change 1352835 by cpaquot@hog-ocl on 2016/12/13 19:59:07

SWDEV-108384 - Force map memory offset to 0
	Copy what we do in ORCA and PAL backend: When mapping an image, default the offset to 0 instead of the map offset for the staging buffer.

	ReviewBoardURL = http://ocltc.amd.com/reviews/r/12010/diff/

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocmemory.cpp#5 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocvirtual.cpp#25 edit


[ROCm/clr commit: 320d5de3a1]

projects/clr/rocclr/runtime/device/rocm/rocmemory.cpp

@@ -710,6 +710,12 @@ Image::allocMapTarget(
 
     void* pHostMem = owner()->getHostMem();
 
+    amd::Image* image = owner()->asImage();
+
+    size_t elementSize = image->getImageFormat().getElementSize();
+
+    size_t  offset = origin[0] * elementSize;
+
     if (pHostMem == NULL) {
         if (indirectMapCount_ == 1) {
             if (!allocateMapMemory(owner()->getSize())) {
@@ -726,14 +732,24 @@ Image::allocMapTarget(
         }
 
         pHostMem = mapMemory_->getHostMem();
+
+        *rowPitch = region[0] * elementSize;
+
+        size_t slicePitchTmp = 0;
+
+        if (imageDescriptor_.geometry == HSA_EXT_IMAGE_GEOMETRY_1DA) {
+            slicePitchTmp = *rowPitch;
+        }
+        else {
+            slicePitchTmp = *rowPitch * region[1];
+        }
+        if (slicePitch != NULL) {
+            *slicePitch = slicePitchTmp;
+        }
+
+        return pHostMem;
     }
 
-    amd::Image* image = owner()->asImage();
-
-    size_t elementSize = image->getImageFormat().getElementSize();
-
-    size_t  offset = origin[0] * elementSize;
-
     // Adjust offset with Y dimension
     offset += image->getRowPitch() * origin[1];