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gpu: Clip fallback nodes to current clip

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Avoids uploading parts of the node that aren't visible.
This commit is contained in:
Benjamin Otte 2023-08-29 20:29:30 +02:00
parent 461d9b4052
commit 9df265acdc
1 changed files with 37 additions and 3 deletions
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40
gsk/gpu/gskgpunodeprocessor.c
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@ -11,6 +11,7 @@
#include "gskgpuuploadopprivate.h"
#include "gskdebugprivate.h"
#include "gskrectprivate.h"
#include "gskrendernodeprivate.h"
#include "gskroundedrectprivate.h"
#include "gsktransformprivate.h"
@ -281,26 +282,59 @@ gsk_gpu_node_processor_rect_is_integer (GskGpuNodeProcessor *self,
&& int_rect->height == rect->size.height * scale_y;
}
static void
gsk_gpu_node_processor_get_clip_bounds (GskGpuNodeProcessor *self,
graphene_rect_t *out_bounds)
{
graphene_rect_offset_r (&self->clip.rect.bounds,
- self->offset.x,
- self->offset.y,
out_bounds);
/* FIXME: We could try the scissor rect here.
* But how often is that smaller than the clip bounds?
*/
}
static gboolean G_GNUC_WARN_UNUSED_RESULT
gsk_gpu_node_processor_clip_node_bounds (GskGpuNodeProcessor *self,
GskRenderNode *node,
graphene_rect_t *out_bounds)
{
graphene_rect_t tmp;
gsk_gpu_node_processor_get_clip_bounds (self, &tmp);
if (!gsk_rect_intersection (&tmp, &node->bounds, out_bounds))
return FALSE;
return TRUE;
}
static void
gsk_gpu_node_processor_add_fallback_node (GskGpuNodeProcessor *self,
GskRenderNode *node)
{
GskGpuImage *image;
graphene_rect_t clipped_bounds;
if (!gsk_gpu_node_processor_clip_node_bounds (self, node, &clipped_bounds))
return;
gsk_gpu_node_processor_sync_globals (self, 0);
image = gsk_gpu_upload_cairo_op (self->frame,
node,
&self->scale,
&node->bounds);
&clipped_bounds);
gsk_gpu_texture_op (self->frame,
gsk_gpu_clip_get_shader_clip (&self->clip, &self->offset, &node->bounds),
gsk_gpu_clip_get_shader_clip (&self->clip, &self->offset, &clipped_bounds),
image,
GSK_GPU_SAMPLER_DEFAULT,
&node->bounds,
&self->offset,
&node->bounds);
&clipped_bounds);
}
static void