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Drop gdk_cairo_surface_upload_to_gl() helper

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There is nothing really special about this code, its just a helper for
uploading pixel data to opengl, and we're not really in the business
of doing opengl-specific helper functions.
This commit is contained in:
Alexander Larsson 2020-09-25 10:08:21 +02:00
parent 90fc671ef8
commit a299bbfc58
3 changed files with 0 additions and 57 deletions
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1
docs/reference/gdk/gdk4-sections.txt
View File

@ -300,7 +300,6 @@ gdk_cairo_rectangle
gdk_cairo_region
gdk_cairo_region_create_from_surface
gdk_cairo_draw_from_gl
gdk_cairo_surface_upload_to_gl
</SECTION>
<SECTION>

7
gdk/gdkcairo.h
View File

@ -61,13 +61,6 @@ void gdk_cairo_draw_from_gl (cairo_t *cr,
int width,
int height);
GDK_AVAILABLE_IN_ALL
void gdk_cairo_surface_upload_to_gl (cairo_surface_t *surface,
int target,
int width,
int height,
GdkGLContext *context);
G_END_DECLS
#endif /* __GDK_CAIRO_H__ */

49
gdk/gdkgl.c
View File

@ -438,52 +438,3 @@ out:
if (clip_region)
cairo_region_destroy (clip_region);
}
/**
* gdk_cairo_surface_upload_to_gl:
* @surface: a Cairo surface
* @target: a GL texture target
* @width: the width of the texture @target
* @height: the height of the texture @target
* @context: (nullable): a #GdkGLContext, or %NULL to use the currently
* bound context
*
* Uploads the contents of a Cairo @surface to a GL texture @target.
*/
void
gdk_cairo_surface_upload_to_gl (cairo_surface_t *surface,
int target,
int width,
int height,
GdkGLContext *context)
{
cairo_rectangle_int_t rect;
cairo_surface_t *tmp;
double device_x_offset, device_y_offset;
g_return_if_fail (surface != NULL);
g_return_if_fail (context == NULL || GDK_IS_GL_CONTEXT (context));
if (context == NULL)
context = gdk_gl_context_get_current ();
cairo_surface_flush (surface);
cairo_surface_get_device_offset (surface, &device_x_offset, &device_y_offset);
rect.x = (int) device_x_offset;
rect.y = (int) device_y_offset;
rect.width = width;
rect.height = height;
tmp = cairo_surface_map_to_image (surface, &rect);
gdk_gl_context_upload_texture (context,
cairo_image_surface_get_data (tmp),
rect.width,
rect.height,
cairo_image_surface_get_stride (tmp),
GDK_MEMORY_DEFAULT,
target);
cairo_surface_unmap_image (surface, tmp);
}