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vulkan: Batch uploads from the glyph cache

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This uses the new api that was introduced in the previous
commit.
This commit is contained in:
Matthias Clasen 2017-09-21 13:45:01 -04:00
parent 64322a2c41
commit dbc0caf27d
1 changed files with 51 additions and 22 deletions
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73
gsk/gskvulkanglyphcache.c
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@ -54,6 +54,7 @@ static gboolean glyph_cache_equal (gconstpointer v1,
gconstpointer v2);
static void glyph_cache_key_free (gpointer v);
static void glyph_cache_value_free (gpointer v);
static void dirty_glyph_free (gpointer v);
static Atlas *
create_atlas (GskVulkanGlyphCache *cache)
@ -81,7 +82,7 @@ free_atlas (gpointer v)
if (atlas->surface)
cairo_surface_destroy (atlas->surface);
g_clear_object (&atlas->image);
g_list_free_full (atlas->dirty_glyphs, g_free);
g_list_free_full (atlas->dirty_glyphs, dirty_glyph_free);
g_free (atlas);
}
@ -153,8 +154,19 @@ glyph_cache_value_free (gpointer v)
typedef struct {
GlyphCacheKey *key;
GskVulkanCachedGlyph *value;
cairo_surface_t *surface;
} DirtyGlyph;
static void
dirty_glyph_free (gpointer v)
{
DirtyGlyph *glyph = v;
if (glyph->surface)
cairo_surface_destroy (glyph->surface);
g_free (glyph);
}
static void
add_to_cache (GskVulkanGlyphCache *cache,
GlyphCacheKey *key,
@ -230,11 +242,12 @@ add_to_cache (GskVulkanGlyphCache *cache,
}
static void
upload_glyph (Atlas *atlas,
GskVulkanUploader *uploader,
GlyphCacheKey *key,
GskVulkanCachedGlyph *value)
render_glyph (Atlas *atlas,
DirtyGlyph *glyph,
GskImageRegion *region)
{
GlyphCacheKey *key = glyph->key;
GskVulkanCachedGlyph *value = glyph->value;
cairo_surface_t *surface;
cairo_t *cr;
cairo_scaled_font_t *scaled_font;
@ -261,16 +274,38 @@ upload_glyph (Atlas *atlas,
cairo_destroy (cr);
gsk_vulkan_image_upload_region (atlas->image,
uploader,
cairo_image_surface_get_data (surface),
cairo_image_surface_get_width (surface),
cairo_image_surface_get_height (surface),
cairo_image_surface_get_stride (surface),
(gsize)(value->tx * atlas->width),
(gsize)(value->ty * atlas->height));
glyph->surface = surface;
cairo_surface_destroy (surface);
region->data = cairo_image_surface_get_data (surface);
region->width = cairo_image_surface_get_width (surface);
region->height = cairo_image_surface_get_height (surface);
region->stride = cairo_image_surface_get_stride (surface);
region->x = (gsize)(value->tx * atlas->width);
region->y = (gsize)(value->ty * atlas->height);
}
static void
upload_dirty_glyphs (Atlas *atlas,
GskVulkanUploader *uploader)
{
GList *l;
guint num_regions;
GskImageRegion *regions;
int i;
num_regions = g_list_length (atlas->dirty_glyphs);
regions = alloca (sizeof (GskImageRegion) * num_regions);
for (l = atlas->dirty_glyphs, i = 0; l; l = l->next, i++)
render_glyph (atlas, (DirtyGlyph *)l->data, &regions[i]);
GSK_NOTE (GLYPH_CACHE,
g_print ("uploading %d glyphs to cache\n", num_regions));
gsk_vulkan_image_upload_regions (atlas->image, uploader, num_regions, regions);
g_list_free_full (atlas->dirty_glyphs, dirty_glyph_free);
atlas->dirty_glyphs = NULL;
}
GskVulkanGlyphCache *
@ -345,7 +380,6 @@ gsk_vulkan_glyph_cache_get_glyph_image (GskVulkanGlyphCache *cache,
guint index)
{
Atlas *atlas;
GList *l;
g_return_val_if_fail (index < cache->atlases->len, NULL);
@ -354,13 +388,8 @@ gsk_vulkan_glyph_cache_get_glyph_image (GskVulkanGlyphCache *cache,
if (atlas->image == NULL)
atlas->image = gsk_vulkan_image_new_for_atlas (cache->vulkan, atlas->width, atlas->height);
for (l = atlas->dirty_glyphs; l; l = l->next)
{
DirtyGlyph *glyph = l->data;
upload_glyph (atlas, uploader, glyph->key, glyph->value);
}
g_list_free_full (atlas->dirty_glyphs, g_free);
atlas->dirty_glyphs = NULL;
if (atlas->dirty_glyphs)
upload_dirty_glyphs (atlas, uploader);
return atlas->image;
}