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Improve graph's detection of intersection between draw lists.

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This commit is contained in:
Dario 2024-11-11 11:59:12 -03:00
parent 0f5f3bc954
commit a8269820b9
2 changed files with 11 additions and 10 deletions
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19
servers/rendering/rendering_device_graph.cpp
View File

@ -140,7 +140,7 @@ RDD::BarrierAccessBits RenderingDeviceGraph::_usage_to_access_bits(ResourceUsage
#endif
}
bool RenderingDeviceGraph::_check_command_intersection(ResourceTracker *p_resource_tracker, int32_t p_previous_command_index, int32_t p_command_index) const {
bool RenderingDeviceGraph::_check_command_intersection(ResourceTracker *p_resource_tracker, int32_t p_previous_command_index, int32_t p_command_index, bool &r_intersection_partial_coverage) const {
if (p_resource_tracker->usage != RESOURCE_USAGE_ATTACHMENT_COLOR_READ_WRITE && p_resource_tracker->usage != RESOURCE_USAGE_ATTACHMENT_DEPTH_STENCIL_READ_WRITE) {
// We don't check possible intersections for usages that aren't consecutive color or depth writes.
return true;
@ -155,6 +155,11 @@ bool RenderingDeviceGraph::_check_command_intersection(ResourceTracker *p_resour
return true;
}
if (!r_intersection_partial_coverage) {
// Indicate if this draw list only partially covers the region of the previous draw list.
r_intersection_partial_coverage = !current_draw_list_command.region.encloses(previous_draw_list_command.region);
}
// We check if the region used by both draw lists have an intersection.
return previous_draw_list_command.region.intersects(current_draw_list_command.region);
}
@ -471,7 +476,7 @@ void RenderingDeviceGraph::_add_command_to_graph(ResourceTracker **p_resource_tr
resource_tracker->usage = new_resource_usage;
}
bool command_intersection_failed = false;
bool intersection_partial_coverage = false;
if (search_tracker->write_command_or_list_index >= 0) {
if (search_tracker->write_command_list_enabled) {
// Make this command adjacent to any commands that wrote to this resource and intersect with the slice if it applies.
@ -483,7 +488,7 @@ void RenderingDeviceGraph::_add_command_to_graph(ResourceTracker **p_resource_tr
if (!resource_has_parent || search_tracker_rect.intersects(write_list_node.subresources)) {
if (write_list_node.command_index == p_command_index) {
ERR_FAIL_COND_MSG(!resource_has_parent, "Command can't have itself as a dependency.");
} else if (_check_command_intersection(resource_tracker, write_list_node.command_index, p_command_index)) {
} else if (_check_command_intersection(resource_tracker, write_list_node.command_index, p_command_index, intersection_partial_coverage)) {
// Command is dependent on this command. Add this command to the adjacency list of the write command.
_add_adjacent_command(write_list_node.command_index, p_command_index, r_command);
@ -499,8 +504,6 @@ void RenderingDeviceGraph::_add_command_to_graph(ResourceTracker **p_resource_tr
write_list_index = write_list_node.next_list_index;
continue;
}
} else {
command_intersection_failed = true;
}
}
@ -511,16 +514,14 @@ void RenderingDeviceGraph::_add_command_to_graph(ResourceTracker **p_resource_tr
// The index is just the latest command index that wrote to the resource.
if (search_tracker->write_command_or_list_index == p_command_index) {
ERR_FAIL_MSG("Command can't have itself as a dependency.");
} else if (_check_command_intersection(resource_tracker, search_tracker->write_command_or_list_index, p_command_index)) {
} else if (_check_command_intersection(resource_tracker, search_tracker->write_command_or_list_index, p_command_index, intersection_partial_coverage)) {
_add_adjacent_command(search_tracker->write_command_or_list_index, p_command_index, r_command);
} else {
command_intersection_failed = true;
}
}
}
if (write_usage) {
if (resource_has_parent || command_intersection_failed) {
if (resource_has_parent || intersection_partial_coverage) {
if (!search_tracker->write_command_list_enabled && search_tracker->write_command_or_list_index >= 0) {
// Write command list was not being used but there was a write command recorded. Add a new node with the entire parent resource's subresources and the recorded command index to the list.
const RDD::TextureSubresourceRange &tracker_subresources = search_tracker->texture_subresources;

2
servers/rendering/rendering_device_graph.h
View File

@ -649,7 +649,7 @@ private:
static bool _is_write_usage(ResourceUsage p_usage);
static RDD::TextureLayout _usage_to_image_layout(ResourceUsage p_usage);
static RDD::BarrierAccessBits _usage_to_access_bits(ResourceUsage p_usage);
bool _check_command_intersection(ResourceTracker *p_resource_tracker, int32_t p_previous_command_index, int32_t p_command_index) const;
bool _check_command_intersection(ResourceTracker *p_resource_tracker, int32_t p_previous_command_index, int32_t p_command_index, bool &r_intersection_partial_coverage) const;
int32_t _add_to_command_list(int32_t p_command_index, int32_t p_list_index);
void _add_adjacent_command(int32_t p_previous_command_index, int32_t p_command_index, RecordedCommand *r_command);
int32_t _add_to_slice_read_list(int32_t p_command_index, Rect2i p_subresources, int32_t p_list_index);