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gsk: Implement the 'underline trick'

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Add an optimization that turns color ops into colorize ops when
the previous op was colorize as well. This is beneficial when we
have a mix of text and color nodes (such as underlined text, or
text with background color).
This commit is contained in:
Matthias Clasen
2024-03-05 09:12:09 -05:00
committed by Christian Hergert
parent 67b2ae5932
commit 9bc5cde606
1 changed files with 61 additions and 10 deletions
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71
gsk/gpu/gskgpunodeprocessor.c
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@@ -1787,6 +1787,57 @@ gsk_gpu_node_processor_add_opacity_node (GskGpuNodeProcessor *self,
self->opacity = old_opacity;
}
static void
gsk_gpu_node_processor_color_op (GskGpuNodeProcessor *self,
GskGpuShaderClip clip,
const graphene_rect_t *rect,
const graphene_point_t *offset,
const GdkRGBA *color)
{
GskGpuOp *last_op = gsk_gpu_frame_get_last_op (self->frame);
if (last_op &&
last_op->op_class == (const GskGpuOpClass *) &GSK_GPU_COLORIZE_OP_CLASS &&
gsk_gpu_frame_should_optimize (self->frame, GSK_GPU_OPTIMIZE_COLORIZE))
{
GskGpuDevice *device;
GskGpuImage *image;
guint32 descriptor;
graphene_rect_t bounds, tex_rect;
device = gsk_gpu_frame_get_device (self->frame);
image = gsk_gpu_device_get_solid_image (device, self->frame, &bounds);
descriptor = gsk_gpu_node_processor_add_image (self, image, GSK_GPU_SAMPLER_DEFAULT);
gsk_rect_scale (&GRAPHENE_RECT_INIT (- bounds.origin.x,
- bounds.origin.y,
gsk_gpu_image_get_width (image),
gsk_gpu_image_get_height (image)),
rect->size.width / bounds.size.width,
rect->size.height / bounds.size.height,
&tex_rect);
gsk_rect_init_offset (&tex_rect, &tex_rect, rect->origin.x, rect->origin.y);
gsk_gpu_colorize_op (self->frame,
clip,
self->desc,
descriptor,
rect,
offset,
&tex_rect,
color);
}
else
{
gsk_gpu_color_op (self->frame,
clip,
rect,
offset,
color);
}
}
static void
gsk_gpu_node_processor_add_color_node (GskGpuNodeProcessor *self,
GskRenderNode *node)
@@ -1821,11 +1872,11 @@ gsk_gpu_node_processor_add_color_node (GskGpuNodeProcessor *self,
if (self->modelview)
{
/* Yuck, rounded clip and modelview. I give up. */
gsk_gpu_color_op (self->frame,
gsk_gpu_clip_get_shader_clip (&self->clip, &self->offset, &node->bounds),
&node->bounds,
&self->offset,
gsk_color_node_get_color (node));
gsk_gpu_node_processor_color_op (self,
gsk_gpu_clip_get_shader_clip (&self->clip, &self->offset, &node->bounds),
&node->bounds,
&self->offset,
gsk_color_node_get_color (node));
return;
}
@@ -1891,11 +1942,11 @@ gsk_gpu_node_processor_add_color_node (GskGpuNodeProcessor *self,
return;
}
gsk_gpu_color_op (self->frame,
gsk_gpu_clip_get_shader_clip (&self->clip, &self->offset, &node->bounds),
&node->bounds,
&self->offset,
&GDK_RGBA_INIT_ALPHA (color, self->opacity));
gsk_gpu_node_processor_color_op (self,
gsk_gpu_clip_get_shader_clip (&self->clip, &self->offset, &node->bounds),
&node->bounds,
&self->offset,
&GDK_RGBA_INIT_ALPHA (color, self->opacity));
}
static gboolean