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
Этот коммит содержится в:
Vladislav Sytchenko
2020-03-26 12:42:55 -04:00
коммит произвёл Vladislav Sytchenko
родитель af7d131749
Коммит a91b82f00e
+9 -8
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@@ -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_);