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path: root/intern/cycles/kernel/split/kernel_buffer_update.h
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Diffstat (limited to 'intern/cycles/kernel/split/kernel_buffer_update.h')
-rw-r--r--intern/cycles/kernel/split/kernel_buffer_update.h227
1 files changed, 114 insertions, 113 deletions
diff --git a/intern/cycles/kernel/split/kernel_buffer_update.h b/intern/cycles/kernel/split/kernel_buffer_update.h
index 18eec6372f1..e77743350dc 100644
--- a/intern/cycles/kernel/split/kernel_buffer_update.h
+++ b/intern/cycles/kernel/split/kernel_buffer_update.h
@@ -41,132 +41,133 @@ CCL_NAMESPACE_BEGIN
ccl_device void kernel_buffer_update(KernelGlobals *kg,
ccl_local_param unsigned int *local_queue_atomics)
{
- if(ccl_local_id(0) == 0 && ccl_local_id(1) == 0) {
- *local_queue_atomics = 0;
- }
- ccl_barrier(CCL_LOCAL_MEM_FENCE);
-
- int ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0);
- if(ray_index == 0) {
- /* We will empty this queue in this kernel. */
- kernel_split_params.queue_index[QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS] = 0;
- }
- char enqueue_flag = 0;
- ray_index = get_ray_index(kg, ray_index,
- QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS,
- kernel_split_state.queue_data,
- kernel_split_params.queue_size,
- 1);
+ if (ccl_local_id(0) == 0 && ccl_local_id(1) == 0) {
+ *local_queue_atomics = 0;
+ }
+ ccl_barrier(CCL_LOCAL_MEM_FENCE);
+
+ int ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0);
+ if (ray_index == 0) {
+ /* We will empty this queue in this kernel. */
+ kernel_split_params.queue_index[QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS] = 0;
+ }
+ char enqueue_flag = 0;
+ ray_index = get_ray_index(kg,
+ ray_index,
+ QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS,
+ kernel_split_state.queue_data,
+ kernel_split_params.queue_size,
+ 1);
#ifdef __COMPUTE_DEVICE_GPU__
- /* If we are executing on a GPU device, we exit all threads that are not
- * required.
- *
- * If we are executing on a CPU device, then we need to keep all threads
- * active since we have barrier() calls later in the kernel. CPU devices,
- * expect all threads to execute barrier statement.
- */
- if(ray_index == QUEUE_EMPTY_SLOT) {
- return;
- }
+ /* If we are executing on a GPU device, we exit all threads that are not
+ * required.
+ *
+ * If we are executing on a CPU device, then we need to keep all threads
+ * active since we have barrier() calls later in the kernel. CPU devices,
+ * expect all threads to execute barrier statement.
+ */
+ if (ray_index == QUEUE_EMPTY_SLOT) {
+ return;
+ }
#endif
#ifndef __COMPUTE_DEVICE_GPU__
- if(ray_index != QUEUE_EMPTY_SLOT) {
+ if (ray_index != QUEUE_EMPTY_SLOT) {
#endif
- ccl_global char *ray_state = kernel_split_state.ray_state;
- ccl_global PathState *state = &kernel_split_state.path_state[ray_index];
- PathRadiance *L = &kernel_split_state.path_radiance[ray_index];
- ccl_global Ray *ray = &kernel_split_state.ray[ray_index];
- ccl_global float3 *throughput = &kernel_split_state.throughput[ray_index];
- bool ray_was_updated = false;
-
- if(IS_STATE(ray_state, ray_index, RAY_UPDATE_BUFFER)) {
- ray_was_updated = true;
- uint sample = state->sample;
- uint buffer_offset = kernel_split_state.buffer_offset[ray_index];
- ccl_global float *buffer = kernel_split_params.tile.buffer + buffer_offset;
-
- /* accumulate result in output buffer */
- kernel_write_result(kg, buffer, sample, L);
-
- ASSIGN_RAY_STATE(ray_state, ray_index, RAY_TO_REGENERATE);
- }
-
- if(kernel_data.film.cryptomatte_passes) {
- /* Make sure no thread is writing to the buffers. */
- ccl_barrier(CCL_LOCAL_MEM_FENCE);
- if(ray_was_updated && state->sample - 1 == kernel_data.integrator.aa_samples) {
- uint buffer_offset = kernel_split_state.buffer_offset[ray_index];
- ccl_global float *buffer = kernel_split_params.tile.buffer + buffer_offset;
- ccl_global float *cryptomatte_buffer = buffer + kernel_data.film.pass_cryptomatte;
- kernel_sort_id_slots(cryptomatte_buffer, 2 * kernel_data.film.cryptomatte_depth);
- }
- }
-
- if(IS_STATE(ray_state, ray_index, RAY_TO_REGENERATE)) {
- /* We have completed current work; So get next work */
- ccl_global uint *work_pools = kernel_split_params.work_pools;
- uint total_work_size = kernel_split_params.total_work_size;
- uint work_index;
-
- if(!get_next_work(kg, work_pools, total_work_size, ray_index, &work_index)) {
- /* If work is invalid, this means no more work is available and the thread may exit */
- ASSIGN_RAY_STATE(ray_state, ray_index, RAY_INACTIVE);
- }
-
- if(IS_STATE(ray_state, ray_index, RAY_TO_REGENERATE)) {
- ccl_global WorkTile *tile = &kernel_split_params.tile;
- uint x, y, sample;
- get_work_pixel(tile, work_index, &x, &y, &sample);
-
- /* Store buffer offset for writing to passes. */
- uint buffer_offset = (tile->offset + x + y*tile->stride) * kernel_data.film.pass_stride;
- kernel_split_state.buffer_offset[ray_index] = buffer_offset;
-
- /* Initialize random numbers and ray. */
- uint rng_hash;
- kernel_path_trace_setup(kg, sample, x, y, &rng_hash, ray);
-
- if(ray->t != 0.0f) {
- /* Initialize throughput, path radiance, Ray, PathState;
- * These rays proceed with path-iteration.
- */
- *throughput = make_float3(1.0f, 1.0f, 1.0f);
- path_radiance_init(L, kernel_data.film.use_light_pass);
- path_state_init(kg,
- AS_SHADER_DATA(&kernel_split_state.sd_DL_shadow[ray_index]),
- state,
- rng_hash,
- sample,
- ray);
+ ccl_global char *ray_state = kernel_split_state.ray_state;
+ ccl_global PathState *state = &kernel_split_state.path_state[ray_index];
+ PathRadiance *L = &kernel_split_state.path_radiance[ray_index];
+ ccl_global Ray *ray = &kernel_split_state.ray[ray_index];
+ ccl_global float3 *throughput = &kernel_split_state.throughput[ray_index];
+ bool ray_was_updated = false;
+
+ if (IS_STATE(ray_state, ray_index, RAY_UPDATE_BUFFER)) {
+ ray_was_updated = true;
+ uint sample = state->sample;
+ uint buffer_offset = kernel_split_state.buffer_offset[ray_index];
+ ccl_global float *buffer = kernel_split_params.tile.buffer + buffer_offset;
+
+ /* accumulate result in output buffer */
+ kernel_write_result(kg, buffer, sample, L);
+
+ ASSIGN_RAY_STATE(ray_state, ray_index, RAY_TO_REGENERATE);
+ }
+
+ if (kernel_data.film.cryptomatte_passes) {
+ /* Make sure no thread is writing to the buffers. */
+ ccl_barrier(CCL_LOCAL_MEM_FENCE);
+ if (ray_was_updated && state->sample - 1 == kernel_data.integrator.aa_samples) {
+ uint buffer_offset = kernel_split_state.buffer_offset[ray_index];
+ ccl_global float *buffer = kernel_split_params.tile.buffer + buffer_offset;
+ ccl_global float *cryptomatte_buffer = buffer + kernel_data.film.pass_cryptomatte;
+ kernel_sort_id_slots(cryptomatte_buffer, 2 * kernel_data.film.cryptomatte_depth);
+ }
+ }
+
+ if (IS_STATE(ray_state, ray_index, RAY_TO_REGENERATE)) {
+ /* We have completed current work; So get next work */
+ ccl_global uint *work_pools = kernel_split_params.work_pools;
+ uint total_work_size = kernel_split_params.total_work_size;
+ uint work_index;
+
+ if (!get_next_work(kg, work_pools, total_work_size, ray_index, &work_index)) {
+ /* If work is invalid, this means no more work is available and the thread may exit */
+ ASSIGN_RAY_STATE(ray_state, ray_index, RAY_INACTIVE);
+ }
+
+ if (IS_STATE(ray_state, ray_index, RAY_TO_REGENERATE)) {
+ ccl_global WorkTile *tile = &kernel_split_params.tile;
+ uint x, y, sample;
+ get_work_pixel(tile, work_index, &x, &y, &sample);
+
+ /* Store buffer offset for writing to passes. */
+ uint buffer_offset = (tile->offset + x + y * tile->stride) * kernel_data.film.pass_stride;
+ kernel_split_state.buffer_offset[ray_index] = buffer_offset;
+
+ /* Initialize random numbers and ray. */
+ uint rng_hash;
+ kernel_path_trace_setup(kg, sample, x, y, &rng_hash, ray);
+
+ if (ray->t != 0.0f) {
+ /* Initialize throughput, path radiance, Ray, PathState;
+ * These rays proceed with path-iteration.
+ */
+ *throughput = make_float3(1.0f, 1.0f, 1.0f);
+ path_radiance_init(L, kernel_data.film.use_light_pass);
+ path_state_init(kg,
+ AS_SHADER_DATA(&kernel_split_state.sd_DL_shadow[ray_index]),
+ state,
+ rng_hash,
+ sample,
+ ray);
#ifdef __SUBSURFACE__
- kernel_path_subsurface_init_indirect(&kernel_split_state.ss_rays[ray_index]);
+ kernel_path_subsurface_init_indirect(&kernel_split_state.ss_rays[ray_index]);
#endif
- ASSIGN_RAY_STATE(ray_state, ray_index, RAY_REGENERATED);
- enqueue_flag = 1;
- }
- else {
- ASSIGN_RAY_STATE(ray_state, ray_index, RAY_TO_REGENERATE);
- }
- }
- }
+ ASSIGN_RAY_STATE(ray_state, ray_index, RAY_REGENERATED);
+ enqueue_flag = 1;
+ }
+ else {
+ ASSIGN_RAY_STATE(ray_state, ray_index, RAY_TO_REGENERATE);
+ }
+ }
+ }
#ifndef __COMPUTE_DEVICE_GPU__
- }
+ }
#endif
- /* Enqueue RAY_REGENERATED rays into QUEUE_ACTIVE_AND_REGENERATED_RAYS;
- * These rays will be made active during next SceneIntersectkernel.
- */
- enqueue_ray_index_local(ray_index,
- QUEUE_ACTIVE_AND_REGENERATED_RAYS,
- enqueue_flag,
- kernel_split_params.queue_size,
- local_queue_atomics,
- kernel_split_state.queue_data,
- kernel_split_params.queue_index);
+ /* Enqueue RAY_REGENERATED rays into QUEUE_ACTIVE_AND_REGENERATED_RAYS;
+ * These rays will be made active during next SceneIntersectkernel.
+ */
+ enqueue_ray_index_local(ray_index,
+ QUEUE_ACTIVE_AND_REGENERATED_RAYS,
+ enqueue_flag,
+ kernel_split_params.queue_size,
+ local_queue_atomics,
+ kernel_split_state.queue_data,
+ kernel_split_params.queue_index);
}
CCL_NAMESPACE_END
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-08 05:27:52 +0300