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Merge branch 'speedup-inner-loop' into 'main'

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Simplify our inner loop

See merge request GNOME/gtk!7026
This commit is contained in:
Matthias Clasen 2024-03-13 12:41:43 +00:00
commit 32e21d5402
3 changed files with 62 additions and 69 deletions
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127
gsk/gpu/gskgpunodeprocessor.c
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@ -3000,8 +3000,12 @@ gsk_gpu_node_processor_add_glyph_node (GskGpuNodeProcessor *self,
guint i, num_glyphs;
float scale, inv_scale;
GdkRGBA color;
gboolean glyph_align;
gboolean hinting;
float align_scale_x, align_scale_y;
float inv_align_scale_x, inv_align_scale_y;
unsigned int flags_mask;
GskGpuImage *last_image;
guint32 descriptor;
const float inv_pango_scale = 1.f / PANGO_SCALE;
if (self->opacity < 1.0 &&
gsk_text_node_has_color_glyphs (node))
@ -3024,45 +3028,38 @@ gsk_gpu_node_processor_add_glyph_node (GskGpuNodeProcessor *self,
scale = MAX (graphene_vec2_get_x (&self->scale), graphene_vec2_get_y (&self->scale));
inv_scale = 1.f / scale;
glyph_align = gsk_gpu_frame_should_optimize (self->frame, GSK_GPU_OPTIMIZE_GLYPH_ALIGN);
hinting = gsk_font_get_hint_style (font) != CAIRO_HINT_STYLE_NONE;
if (gsk_font_get_hint_style (font) != CAIRO_HINT_STYLE_NONE)
{
align_scale_x = scale * 4;
align_scale_y = scale;
flags_mask = 3;
}
else
{
align_scale_x = align_scale_y = scale * 4;
flags_mask = 15;
}
inv_align_scale_x = 1 / align_scale_x;
inv_align_scale_y = 1 / align_scale_y;
last_image = NULL;
descriptor = 0;
for (i = 0; i < num_glyphs; i++)
{
GskGpuImage *image;
graphene_rect_t glyph_bounds, glyph_tex_rect;
graphene_point_t glyph_offset, glyph_origin;
guint32 descriptor;
GskGpuGlyphLookupFlags flags;
glyph_origin = GRAPHENE_POINT_INIT (offset.x + (float) glyphs[i].geometry.x_offset / PANGO_SCALE,
offset.y + (float) glyphs[i].geometry.y_offset / PANGO_SCALE);
glyph_origin = GRAPHENE_POINT_INIT (offset.x + glyphs[i].geometry.x_offset * inv_pango_scale,
offset.y + glyphs[i].geometry.y_offset * inv_pango_scale);
if (hinting && glyph_align)
{
/* Force glyph_origin.y to be device pixel aligned.
* The hinter expects that.
*/
glyph_origin.x = floor (glyph_origin.x * scale * 4 + .5);
flags = ((int) glyph_origin.x & 3);
glyph_origin.x = 0.25 * inv_scale * glyph_origin.x;
glyph_origin.y = floor (glyph_origin.y * scale + .5) * inv_scale;
}
else if (glyph_align)
{
glyph_origin.x = floor (glyph_origin.x * scale * 4 + .5);
glyph_origin.y = floor (glyph_origin.y * scale * 4 + .5);
flags = ((int) glyph_origin.x & 3) |
(((int) glyph_origin.y & 3) << 2);
glyph_origin.x = 0.25 * inv_scale * glyph_origin.x;
glyph_origin.y = 0.25 * inv_scale * glyph_origin.y;
}
else
{
glyph_origin.x = floor (glyph_origin.x * scale + .5) * inv_scale;
glyph_origin.y = floor (glyph_origin.y * scale + .5) * inv_scale;
flags = 0;
}
glyph_origin.x = floorf (glyph_origin.x * align_scale_x + 0.5f);
glyph_origin.y = floorf (glyph_origin.y * align_scale_y + 0.5f);
flags = (((int) glyph_origin.x & 3) | (((int) glyph_origin.y & 3) << 2)) & flags_mask;
glyph_origin.x *= inv_align_scale_x;
glyph_origin.y *= inv_align_scale_y;
image = gsk_gpu_device_lookup_glyph_image (device,
self->frame,
@ -3084,7 +3081,11 @@ gsk_gpu_node_processor_add_glyph_node (GskGpuNodeProcessor *self,
glyph_origin = GRAPHENE_POINT_INIT (glyph_origin.x - glyph_offset.x * inv_scale,
glyph_origin.y - glyph_offset.y * inv_scale);
descriptor = gsk_gpu_node_processor_add_image (self, image, GSK_GPU_SAMPLER_DEFAULT);
if (image != last_image)
{
descriptor = gsk_gpu_node_processor_add_image (self, image, GSK_GPU_SAMPLER_DEFAULT);
last_image = image;
}
if (glyphs[i].attr.is_color)
gsk_gpu_texture_op (self->frame,
@ -3104,7 +3105,7 @@ gsk_gpu_node_processor_add_glyph_node (GskGpuNodeProcessor *self,
&glyph_tex_rect,
&color);
offset.x += (float) glyphs[i].geometry.width / PANGO_SCALE;
offset.x += glyphs[i].geometry.width * inv_pango_scale;
}
}
@ -3121,8 +3122,10 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
guint32 tex_id;
GskGpuImage *last_image;
graphene_point_t offset;
gboolean glyph_align;
gboolean hinting;
float align_scale_x, align_scale_y;
float inv_align_scale_x, inv_align_scale_y;
unsigned int flags_mask;
const float inv_pango_scale = 1.f / PANGO_SCALE;
if (gsk_text_node_has_color_glyphs (node))
return FALSE;
@ -3142,8 +3145,20 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
gsk_gpu_pattern_writer_append_rgba (self, gsk_text_node_get_color (node));
gsk_gpu_pattern_writer_append_uint (self, num_glyphs);
glyph_align = gsk_gpu_frame_should_optimize (self->frame, GSK_GPU_OPTIMIZE_GLYPH_ALIGN);
hinting = gsk_font_get_hint_style (font) != CAIRO_HINT_STYLE_NONE;
if (gsk_font_get_hint_style (font) != CAIRO_HINT_STYLE_NONE)
{
align_scale_x = scale * 4;
align_scale_y = scale;
flags_mask = 3;
}
else
{
align_scale_x = align_scale_y = scale * 4;
flags_mask = 15;
}
inv_align_scale_x = 1 / align_scale_x;
inv_align_scale_y = 1 / align_scale_y;
last_image = NULL;
for (i = 0; i < num_glyphs; i++)
@ -3153,34 +3168,14 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
graphene_point_t glyph_offset, glyph_origin;
GskGpuGlyphLookupFlags flags;
glyph_origin = GRAPHENE_POINT_INIT (offset.x + (float) glyphs[i].geometry.x_offset / PANGO_SCALE,
offset.y + (float) glyphs[i].geometry.y_offset / PANGO_SCALE);
glyph_origin = GRAPHENE_POINT_INIT (offset.x + glyphs[i].geometry.x_offset * inv_pango_scale,
offset.y + glyphs[i].geometry.y_offset * inv_pango_scale);
if (hinting && glyph_align)
{
/* Force glyph_origin.y to be device pixel aligned.
* The hinter expects that.
*/
glyph_origin.x = roundf (glyph_origin.x * scale * 4);
flags = ((int) glyph_origin.x & 3);
glyph_origin.x = 0.25 * inv_scale * glyph_origin.x;
glyph_origin.y = roundf (glyph_origin.y * scale) * inv_scale;
}
else if (glyph_align)
{
glyph_origin.x = roundf (glyph_origin.x * scale * 4);
glyph_origin.y = roundf (glyph_origin.y * scale * 4);
flags = ((int) glyph_origin.x & 3) |
(((int) glyph_origin.y & 3) << 2);
glyph_origin.x = 0.25 * inv_scale * glyph_origin.x;
glyph_origin.y = 0.25 * inv_scale * glyph_origin.y;
}
else
{
glyph_origin.x = roundf (glyph_origin.x * scale) * inv_scale;
glyph_origin.y = roundf (glyph_origin.y * scale) * inv_scale;
flags = 0;
}
glyph_origin.x = floorf (glyph_origin.x * align_scale_x + 0.5f);
glyph_origin.y = floorf (glyph_origin.y * align_scale_y + 0.5f);
flags = (((int) glyph_origin.x & 3) | (((int) glyph_origin.y & 3) << 2)) & flags_mask;
glyph_origin.x *= inv_align_scale_x;
glyph_origin.y *= inv_align_scale_y;
image = gsk_gpu_device_lookup_glyph_image (device,
self->frame,
@ -3220,7 +3215,7 @@ gsk_gpu_node_processor_create_glyph_pattern (GskGpuPatternWriter *self,
),
&glyph_origin);
offset.x += (float) glyphs[i].geometry.width / PANGO_SCALE;
offset.x += glyphs[i].geometry.width * inv_pango_scale;
}
return TRUE;

1
gsk/gpu/gskgpurenderer.c
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@ -30,7 +30,6 @@ static const GdkDebugKey gsk_gpu_optimization_keys[] = {
{ "blit", GSK_GPU_OPTIMIZE_BLIT, "Use shaders instead of vkCmdBlit()/glBlitFramebuffer()" },
{ "gradients", GSK_GPU_OPTIMIZE_GRADIENTS, "Don't supersample gradients" },
{ "mipmap", GSK_GPU_OPTIMIZE_MIPMAP, "Avoid creating mipmaps" },
{ "glyph-align", GSK_GPU_OPTIMIZE_GLYPH_ALIGN, "Never align glyphs to the subpixel grid" },
{ "gl-baseinstance", GSK_GPU_OPTIMIZE_GL_BASE_INSTANCE, "Assume no ARB/EXT_base_instance support" },
};

3
gsk/gpu/gskgputypesprivate.h
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@ -118,8 +118,7 @@ typedef enum {
GSK_GPU_OPTIMIZE_BLIT = 1 << 3,
GSK_GPU_OPTIMIZE_GRADIENTS = 1 << 4,
GSK_GPU_OPTIMIZE_MIPMAP = 1 << 5,
GSK_GPU_OPTIMIZE_GLYPH_ALIGN = 1 << 6,
/* These require hardware support */
GSK_GPU_OPTIMIZE_GL_BASE_INSTANCE = 1 << 7,
GSK_GPU_OPTIMIZE_GL_BASE_INSTANCE = 1 << 6,
} GskGpuOptimizations;