fdo-mirrors/cairo
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/cairo/cairo.git synced 2026-02-13 23:20:29 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

gl: acquire/release context when getting images

Browse source 
Avoids Mesa complaining about no current context.
This commit is contained in:
Benjamin Otte 2010-04-13 20:53:47 +02:00
parent 46ef05c3d7
commit 596d3017a1
1 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/cairo-gl-surface.c
View file

@ -888,10 +888,12 @@ _cairo_gl_surface_get_image (cairo_gl_surface_t *surface,
cairo_rectangle_int_t *rect_out)
{
cairo_image_surface_t *image;
cairo_gl_context_t *ctx;
GLenum err;
GLenum format, type;
cairo_format_t cairo_format;
unsigned int cpp;
cairo_status_t status;
/* Want to use a switch statement here but the compiler gets whiny. */
if (surface->base.content == CAIRO_CONTENT_COLOR_ALPHA) {
@ -924,6 +926,9 @@ _cairo_gl_surface_get_image (cairo_gl_surface_t *surface,
* it the destination. But then, this is the fallback path, so let's not
* fall back instead.
*/
status = _cairo_gl_context_acquire (surface->base.device, &ctx);
if (unlikely (status))
return status;
_cairo_gl_set_destination (surface);
glPixelStorei (GL_PACK_ALIGNMENT, 1);
@ -939,6 +944,8 @@ _cairo_gl_surface_get_image (cairo_gl_surface_t *surface,
while ((err = glGetError ()))
fprintf (stderr, "GL error 0x%08x\n", (int) err);
_cairo_gl_context_release (ctx);
*image_out = image;
if (rect_out != NULL)
*rect_out = *interest;