mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-09-20 14:00:10 +00:00
8839e10d44
Remember which atlases were removed, and only check those when looking for icons or glyphs to remove. For most frames, we don't have to check at all since no atlases were removed.
73 lines
2.9 KiB
C
73 lines
2.9 KiB
C
|
|
#ifndef __GSK_GL_TEXTURE_ATLAS_H__
|
|
#define __GSK_GL_TEXTURE_ATLAS_H__
|
|
|
|
#include "stb_rect_pack.h"
|
|
#include "gskglimageprivate.h"
|
|
#include "gskgldriverprivate.h"
|
|
|
|
struct _GskGLTextureAtlas
|
|
{
|
|
struct stbrp_context context;
|
|
struct stbrp_node *nodes;
|
|
|
|
int width;
|
|
int height;
|
|
|
|
guint texture_id;
|
|
|
|
int unused_pixels; /* Pixels of rects that have been used at some point,
|
|
But are now unused. */
|
|
|
|
void *user_data;
|
|
};
|
|
typedef struct _GskGLTextureAtlas GskGLTextureAtlas;
|
|
|
|
struct _GskGLTextureAtlases
|
|
{
|
|
int ref_count;
|
|
|
|
GPtrArray *atlases;
|
|
};
|
|
typedef struct _GskGLTextureAtlases GskGLTextureAtlases;
|
|
|
|
GskGLTextureAtlases *gsk_gl_texture_atlases_new (void);
|
|
GskGLTextureAtlases *gsk_gl_texture_atlases_ref (GskGLTextureAtlases *atlases);
|
|
void gsk_gl_texture_atlases_unref (GskGLTextureAtlases *atlases);
|
|
|
|
void gsk_gl_texture_atlases_begin_frame (GskGLTextureAtlases *atlases,
|
|
GPtrArray *removed);
|
|
gboolean gsk_gl_texture_atlases_pack (GskGLTextureAtlases *atlases,
|
|
int width,
|
|
int height,
|
|
GskGLTextureAtlas **atlas_out,
|
|
int *out_x,
|
|
int *out_y);
|
|
|
|
void gsk_gl_texture_atlas_init (GskGLTextureAtlas *self,
|
|
int width,
|
|
int height);
|
|
|
|
void gsk_gl_texture_atlas_free (GskGLTextureAtlas *self);
|
|
|
|
void gsk_gl_texture_atlas_realize (GskGLTextureAtlas *self);
|
|
|
|
void gsk_gl_texture_atlas_mark_unused (GskGLTextureAtlas *self,
|
|
int width,
|
|
int height);
|
|
|
|
void gsk_gl_texture_atlas_mark_used (GskGLTextureAtlas *self,
|
|
int width,
|
|
int height);
|
|
|
|
|
|
gboolean gsk_gl_texture_atlas_pack (GskGLTextureAtlas *self,
|
|
int width,
|
|
int height,
|
|
int *out_x,
|
|
int *out_y);
|
|
|
|
double gsk_gl_texture_atlas_get_unused_ratio (const GskGLTextureAtlas *self);
|
|
|
|
#endif
|