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gpu: Require an occlusion path to be 10% of image

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That way we are guaranteed to run <=10 occlusion passes.
This commit is contained in:
Benjamin Otte 2024-08-05 07:04:32 +02:00
parent b9d868b8eb
commit ac37b589b6
1 changed files with 10 additions and 1 deletions
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11
gsk/gpu/gskgpunodeprocessor.c
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@ -59,6 +59,11 @@
*/ */
#define MIN_PIXELS_FOR_OCCLUSION_PASS 1000 * 100 #define MIN_PIXELS_FOR_OCCLUSION_PASS 1000 * 100
/* the amount of the whole image for us to potentially save to warrant
* carving out a rectangle for an extra render pass
*/
#define MIN_PERCENTAGE_FOR_OCCLUSION_PASS 10
/* A note about coordinate systems /* A note about coordinate systems
* *
* The rendering code keeps track of multiple coordinate systems to optimize rendering as * The rendering code keeps track of multiple coordinate systems to optimize rendering as
@ -4049,10 +4054,14 @@ gsk_gpu_node_processor_render (GskGpuFrame *frame,
{ {
GskGpuNodeProcessor self; GskGpuNodeProcessor self;
int i, n, best, best_size; int i, n, best, best_size;
gsize min_occlusion_pixels;
cairo_rectangle_int_t rect; cairo_rectangle_int_t rect;
gboolean do_culling; gboolean do_culling;
do_culling = gsk_gpu_frame_should_optimize (frame, GSK_GPU_OPTIMIZE_OCCLUSION_CULLING); do_culling = gsk_gpu_frame_should_optimize (frame, GSK_GPU_OPTIMIZE_OCCLUSION_CULLING);
min_occlusion_pixels = gsk_gpu_image_get_width (target) * gsk_gpu_image_get_height (target) *
MIN_PERCENTAGE_FOR_OCCLUSION_PASS / 100;
min_occlusion_pixels = MAX (min_occlusion_pixels, MIN_PIXELS_FOR_OCCLUSION_PASS);
while (do_culling && while (do_culling &&
(n = cairo_region_num_rectangles (clip)) > 0) (n = cairo_region_num_rectangles (clip)) > 0)
@ -4084,7 +4093,7 @@ gsk_gpu_node_processor_render (GskGpuFrame *frame,
if (!gsk_gpu_node_processor_add_first_node (&self, if (!gsk_gpu_node_processor_add_first_node (&self,
target, target,
pass_type, pass_type,
MIN_PIXELS_FOR_OCCLUSION_PASS, min_occlusion_pixels,
node)) node))
{ {
gsk_gpu_render_pass_begin_op (frame, gsk_gpu_render_pass_begin_op (frame,