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/*
* Copyright 2011-2021 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "integrator/pass_accessor_gpu.h"
#include "device/queue.h"
#include "session/buffers.h"
#include "util/log.h"
CCL_NAMESPACE_BEGIN
PassAccessorGPU::PassAccessorGPU(DeviceQueue *queue,
const PassAccessInfo &pass_access_info,
float exposure,
int num_samples)
: PassAccessor(pass_access_info, exposure, num_samples), queue_(queue)
{
}
/* --------------------------------------------------------------------
* Kernel execution.
*/
void PassAccessorGPU::run_film_convert_kernels(DeviceKernel kernel,
const RenderBuffers *render_buffers,
const BufferParams &buffer_params,
const Destination &destination) const
{
KernelFilmConvert kfilm_convert;
init_kernel_film_convert(&kfilm_convert, buffer_params, destination);
const int work_size = buffer_params.window_width * buffer_params.window_height;
const int destination_stride = destination.stride != 0 ? destination.stride :
buffer_params.window_width;
const int offset = buffer_params.window_x * buffer_params.pass_stride +
buffer_params.window_y * buffer_params.stride * buffer_params.pass_stride;
if (destination.d_pixels) {
DCHECK_EQ(destination.stride, 0) << "Custom stride for float destination is not implemented.";
void *args[] = {const_cast<KernelFilmConvert *>(&kfilm_convert),
const_cast<device_ptr *>(&destination.d_pixels),
const_cast<device_ptr *>(&render_buffers->buffer.device_pointer),
const_cast<int *>(&work_size),
const_cast<int *>(&buffer_params.window_width),
const_cast<int *>(&offset),
const_cast<int *>(&buffer_params.stride),
const_cast<int *>(&destination.offset),
const_cast<int *>(&destination_stride)};
queue_->enqueue(kernel, work_size, args);
}
if (destination.d_pixels_half_rgba) {
const DeviceKernel kernel_half_float = static_cast<DeviceKernel>(kernel + 1);
void *args[] = {const_cast<KernelFilmConvert *>(&kfilm_convert),
const_cast<device_ptr *>(&destination.d_pixels_half_rgba),
const_cast<device_ptr *>(&render_buffers->buffer.device_pointer),
const_cast<int *>(&work_size),
const_cast<int *>(&buffer_params.window_width),
const_cast<int *>(&offset),
const_cast<int *>(&buffer_params.stride),
const_cast<int *>(&destination.offset),
const_cast<int *>(&destination_stride)};
queue_->enqueue(kernel_half_float, work_size, args);
}
queue_->synchronize();
}
/* --------------------------------------------------------------------
* Pass accessors.
*/
#define DEFINE_PASS_ACCESSOR(pass, kernel_pass) \
void PassAccessorGPU::get_pass_##pass(const RenderBuffers *render_buffers, \
const BufferParams &buffer_params, \
const Destination &destination) const \
{ \
run_film_convert_kernels( \
DEVICE_KERNEL_FILM_CONVERT_##kernel_pass, render_buffers, buffer_params, destination); \
}
/* Float (scalar) passes. */
DEFINE_PASS_ACCESSOR(depth, DEPTH);
DEFINE_PASS_ACCESSOR(mist, MIST);
DEFINE_PASS_ACCESSOR(sample_count, SAMPLE_COUNT);
DEFINE_PASS_ACCESSOR(float, FLOAT);
/* Float3 passes. */
DEFINE_PASS_ACCESSOR(light_path, LIGHT_PATH);
DEFINE_PASS_ACCESSOR(float3, FLOAT3);
/* Float4 passes. */
DEFINE_PASS_ACCESSOR(motion, MOTION);
DEFINE_PASS_ACCESSOR(cryptomatte, CRYPTOMATTE);
DEFINE_PASS_ACCESSOR(shadow_catcher, SHADOW_CATCHER);
DEFINE_PASS_ACCESSOR(shadow_catcher_matte_with_shadow, SHADOW_CATCHER_MATTE_WITH_SHADOW);
DEFINE_PASS_ACCESSOR(combined, COMBINED);
DEFINE_PASS_ACCESSOR(float4, FLOAT4);
#undef DEFINE_PASS_ACCESSOR
CCL_NAMESPACE_END
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