The only requirment from hipMallocPitch() is that the returned pitch is aligned to the HW image pitch alignment. There is no restriction on the size of the allocation, since the memory might not be used for images.

Change-Id: I97438e5fe4012ca4721b14b85f514dbac803c17c


[ROCm/hip commit: a91b82f00e]
This commit is contained in:
Vladislav Sytchenko
2020-03-26 12:42:55 -04:00
committed by Vladislav Sytchenko
szülő aa94d9c654
commit 7a867cd98f
+9 -8
Fájl megtekintése
@@ -358,17 +358,13 @@ hipError_t ihipMallocPitch(void** ptr, size_t* pitch, size_t width, size_t heigh
amd::Device* device = hip::getCurrentDevice()->devices()[0];
if ((width == 0) || (height == 0)) {
*ptr = nullptr;
return hipSuccess;
}
else if (!(device->info().image2DMaxWidth_ >= width &&
device->info().image2DMaxHeight_ >= height ) || (ptr == nullptr)) {
if (ptr == nullptr) {
return hipErrorInvalidValue;
}
if (device->info().maxMemAllocSize_ < (width * height)) {
return hipErrorOutOfMemory;
if ((width == 0) || (height == 0)) {
*ptr = nullptr;
return hipSuccess;
}
const amd::Image::Format imageFormat(*image_format);
@@ -376,6 +372,11 @@ hipError_t ihipMallocPitch(void** ptr, size_t* pitch, size_t width, size_t heigh
*pitch = amd::alignUp(width * imageFormat.getElementSize(), device->info().imagePitchAlignment_);
size_t sizeBytes = *pitch * height * depth;
if (device->info().maxMemAllocSize_ < sizeBytes) {
return hipErrorOutOfMemory;
}
*ptr = amd::SvmBuffer::malloc(*hip::getCurrentDevice()->asContext(), 0, sizeBytes,
device->info().memBaseAddrAlign_);