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This allows renderers (or anyone really) to attach "render data" to textures. Only the first render data sticks. You can gsk_texture_set_render_data() with the key you will use to look the data up again, and if no data has been set yet, yours will be set. You can retrieve this data via gsk_texture_get_render_data() later on. If your data has been cleared, NULL will be returned. When gsk_texture_clear_render_data() is called (which the texture will call when it is finalized), your destory notify will be called and you have to release your render data. The GL driver uses this to attach texture ids to GskTextures.
73 lines
3.8 KiB
C
73 lines
3.8 KiB
C
#ifndef __GSK_GL_DRIVER_PRIVATE_H__
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#define __GSK_GL_DRIVER_PRIVATE_H__
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#include <cairo.h>
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#include <gdk/gdk.h>
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#include <graphene.h>
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#include <gsk/gsktexture.h>
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G_BEGIN_DECLS
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#define GSK_TYPE_GL_DRIVER (gsk_gl_driver_get_type ())
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G_DECLARE_FINAL_TYPE (GskGLDriver, gsk_gl_driver, GSK, GL_DRIVER, GObject)
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typedef struct {
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float position[2];
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float uv[2];
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} GskQuadVertex;
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GskGLDriver * gsk_gl_driver_new (GdkGLContext *context);
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int gsk_gl_driver_get_max_texture_size (GskGLDriver *driver);
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void gsk_gl_driver_begin_frame (GskGLDriver *driver);
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void gsk_gl_driver_end_frame (GskGLDriver *driver);
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int gsk_gl_driver_get_texture_for_texture (GskGLDriver *driver,
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GskTexture *texture,
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int min_filter,
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int mag_filter);
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int gsk_gl_driver_create_texture (GskGLDriver *driver,
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int width,
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int height);
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int gsk_gl_driver_create_vao_for_quad (GskGLDriver *driver,
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int position_id,
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int uv_id,
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int n_vertices,
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GskQuadVertex *vertices);
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int gsk_gl_driver_create_render_target (GskGLDriver *driver,
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int texture_id,
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gboolean add_depth_buffer,
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gboolean add_stencil_buffer);
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void gsk_gl_driver_bind_source_texture (GskGLDriver *driver,
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int texture_id);
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void gsk_gl_driver_bind_mask_texture (GskGLDriver *driver,
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int texture_id);
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void gsk_gl_driver_bind_vao (GskGLDriver *driver,
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int vao_id);
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gboolean gsk_gl_driver_bind_render_target (GskGLDriver *driver,
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int texture_id);
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void gsk_gl_driver_init_texture_empty (GskGLDriver *driver,
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int texture_id);
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void gsk_gl_driver_init_texture_with_surface (GskGLDriver *driver,
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int texture_id,
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cairo_surface_t *surface,
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int min_filter,
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int mag_filter);
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void gsk_gl_driver_destroy_texture (GskGLDriver *driver,
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int texture_id);
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void gsk_gl_driver_destroy_vao (GskGLDriver *driver,
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int vao_id);
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int gsk_gl_driver_collect_textures (GskGLDriver *driver);
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int gsk_gl_driver_collect_vaos (GskGLDriver *driver);
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G_END_DECLS
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#endif /* __GSK_GL_DRIVER_PRIVATE_H__ */
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