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gpu: Only run uber shaders if beneficial

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If we have the choice between running the ubershader or a normal shader
with offscreens, make the choice depend on if the ubershader would
offscreen anyway.
If so, just run the normal shader.

This really gets rid of all ubershader invocations in Adwaita
widget-factory.
This commit is contained in:
Benjamin Otte 2023-11-18 05:36:15 +01:00
parent 42d89a0ff1
commit 2a5fe8cd0c
1 changed files with 78 additions and 1 deletions
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79
gsk/gpu/gskgpunodeprocessor.c
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@ -858,6 +858,77 @@ gsk_gpu_node_processor_add_fallback_node (GskGpuNodeProcessor *self,
&clipped_bounds);
}
/* To be called when code wants to run a shader which
* would require rendering @node into an offscreen, but it
* could also run an ubershader.
*/
static gboolean
gsk_gpu_node_processor_ubershader_instead_of_offscreen (GskGpuNodeProcessor *self,
GskRenderNode *node)
{
if (!gsk_gpu_frame_should_optimize (self->frame, GSK_GPU_OPTIMIZE_UBER))
return FALSE;
for (;;)
{
switch (gsk_render_node_get_node_type (node))
{
case GSK_TRANSFORM_NODE:
node = gsk_transform_node_get_child (node);
break;
case GSK_CLIP_NODE:
node = gsk_clip_node_get_child (node);
break;
case GSK_OPACITY_NODE:
node = gsk_opacity_node_get_child (node);
break;
case GSK_DEBUG_NODE:
node = gsk_debug_node_get_child (node);
break;
case GSK_SUBSURFACE_NODE:
node = gsk_subsurface_node_get_child (node);
break;
case GSK_COLOR_NODE:
case GSK_LINEAR_GRADIENT_NODE:
case GSK_REPEATING_LINEAR_GRADIENT_NODE:
case GSK_RADIAL_GRADIENT_NODE:
case GSK_REPEATING_RADIAL_GRADIENT_NODE:
case GSK_CONIC_GRADIENT_NODE:
case GSK_ROUNDED_CLIP_NODE:
case GSK_REPEAT_NODE:
case GSK_COLOR_MATRIX_NODE:
case GSK_CROSS_FADE_NODE:
case GSK_BLEND_NODE:
case GSK_TEXT_NODE:
case GSK_MASK_NODE:
return TRUE;
case GSK_CONTAINER_NODE:
case GSK_CAIRO_NODE:
case GSK_BORDER_NODE:
case GSK_TEXTURE_NODE:
case GSK_INSET_SHADOW_NODE:
case GSK_OUTSET_SHADOW_NODE:
case GSK_SHADOW_NODE:
case GSK_BLUR_NODE:
case GSK_GL_SHADER_NODE:
case GSK_TEXTURE_SCALE_NODE:
case GSK_FILL_NODE:
case GSK_STROKE_NODE:
return FALSE;
case GSK_NOT_A_RENDER_NODE:
default:
g_return_val_if_reached (FALSE);
}
}
}
static gboolean
gsk_gpu_node_processor_try_node_as_pattern (GskGpuNodeProcessor *self,
GskRenderNode *node)
@ -925,7 +996,8 @@ gsk_gpu_node_processor_add_without_opacity (GskGpuNodeProcessor *self,
gsk_gpu_node_processor_sync_globals (self, 0);
if (gsk_gpu_node_processor_try_node_as_pattern (self, node))
if (gsk_gpu_node_processor_ubershader_instead_of_offscreen (self, node) &&
gsk_gpu_node_processor_try_node_as_pattern (self, node))
return;
image = gsk_gpu_node_processor_get_node_as_image (self,
@ -2217,6 +2289,11 @@ gsk_gpu_node_processor_add_color_matrix_node (GskGpuNodeProcessor *self,
graphene_rect_t tex_rect;
child = gsk_color_matrix_node_get_child (node);
if (gsk_gpu_node_processor_ubershader_instead_of_offscreen (self, child) &&
gsk_gpu_node_processor_try_node_as_pattern (self, node))
return;
color_matrix = gsk_color_matrix_node_get_color_matrix (node);
if (self->opacity < 1.0f)
{