blender/intern/cycles/device/hip/graphics_interop.cpp
Brecht Van Lommel 73fe848e07 Fix: Cycles log levels conflict with macros on some platforms
In particular DEBUG, but prefix all of them to be sure.

Pull Request: https://projects.blender.org/blender/blender/pulls/141749
2025-07-10 19:44:14 +02:00

120 lines
2.8 KiB
C++

/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
#ifdef WITH_HIP
# include "device/hip/graphics_interop.h"
# include "device/hip/device_impl.h"
# include "device/hip/util.h"
CCL_NAMESPACE_BEGIN
HIPDeviceGraphicsInterop::HIPDeviceGraphicsInterop(HIPDeviceQueue *queue)
: queue_(queue), device_(static_cast<HIPDevice *>(queue->device))
{
}
HIPDeviceGraphicsInterop::~HIPDeviceGraphicsInterop()
{
HIPContextScope scope(device_);
free();
}
void HIPDeviceGraphicsInterop::set_buffer(GraphicsInteropBuffer &interop_buffer)
{
HIPContextScope scope(device_);
if (interop_buffer.is_empty()) {
free();
return;
}
need_zero_ |= interop_buffer.take_zero();
if (!interop_buffer.has_new_handle()) {
return;
}
free();
switch (interop_buffer.get_type()) {
case GraphicsInteropDevice::OPENGL: {
const hipError_t result = hipGraphicsGLRegisterBuffer(
&hip_graphics_resource_, interop_buffer.take_handle(), hipGraphicsRegisterFlagsNone);
if (result != hipSuccess) {
LOG_ERROR << "Error registering OpenGL buffer: " << hipewErrorString(result);
break;
}
buffer_size_ = interop_buffer.get_size();
break;
}
case GraphicsInteropDevice::VULKAN:
case GraphicsInteropDevice::METAL:
case GraphicsInteropDevice::NONE:
/* TODO: implement vulkan support. */
break;
}
}
device_ptr HIPDeviceGraphicsInterop::map()
{
hipDeviceptr_t hip_buffer = 0;
if (hip_graphics_resource_) {
HIPContextScope scope(device_);
size_t bytes;
hip_device_assert(device_,
hipGraphicsMapResources(1, &hip_graphics_resource_, queue_->stream()));
hip_device_assert(
device_, hipGraphicsResourceGetMappedPointer(&hip_buffer, &bytes, hip_graphics_resource_));
}
else {
/* Vulkan buffer is always mapped. */
hip_buffer = hip_external_memory_ptr_;
}
if (hip_buffer && need_zero_) {
hip_device_assert(device_, hipMemsetD8Async(hip_buffer, 0, buffer_size_, queue_->stream()));
need_zero_ = false;
}
return static_cast<device_ptr>(hip_buffer);
}
void HIPDeviceGraphicsInterop::unmap()
{
if (hip_graphics_resource_) {
HIPContextScope scope(device_);
hip_device_assert(device_,
hipGraphicsUnmapResources(1, &hip_graphics_resource_, queue_->stream()));
}
}
void HIPDeviceGraphicsInterop::free()
{
if (hip_graphics_resource_) {
hip_device_assert(device_, hipGraphicsUnregisterResource(hip_graphics_resource_));
hip_graphics_resource_ = nullptr;
}
if (hip_external_memory_ptr_) {
hip_device_assert(device_, hipFree(hip_external_memory_ptr_));
hip_external_memory_ptr_ = 0;
}
buffer_size_ = 0;
need_zero_ = false;
}
CCL_NAMESPACE_END
#endif