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gpu: Don't use the colormatrix shader for opacity

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The colormatrix shade does a whole matrix multiplication, which is
absolutely not necessary.

The convert shader has builtin opacity handling and when the colorstates
match will do no conversion.
This commit is contained in:
Benjamin Otte 2024-07-05 05:16:14 +02:00
parent 504c6ba792
commit f80e3fff92
1 changed files with 1 additions and 11 deletions
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12
gsk/gpu/gskgpunodeprocessor.c
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@ -555,6 +555,7 @@ gsk_gpu_node_processor_image_op (GskGpuNodeProcessor *self,
straight_alpha = gsk_gpu_image_get_flags (image) & GSK_GPU_IMAGE_STRAIGHT_ALPHA;
if (straight_alpha ||
self->opacity < 1.0 ||
!gdk_color_state_equal (image_color_state, self->ccs))
{
gsk_gpu_convert_op (self->frame,
@ -570,17 +571,6 @@ gsk_gpu_node_processor_image_op (GskGpuNodeProcessor *self,
&self->offset,
tex_rect);
}
else if (self->opacity < 1.0)
{
gsk_gpu_color_matrix_op_opacity (self->frame,
gsk_gpu_clip_get_shader_clip (&self->clip, &self->offset, rect),
self->desc,
descriptor,
rect,
&self->offset,
tex_rect,
self->opacity);
}
else
{
gsk_gpu_texture_op (self->frame,