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The context of a display is shared with the cairo device.
cairo_acquire_device should be called whenever OpenGL calls are made.
This commit is contained in:
Chia-I Wu 2010-10-29 15:20:17 +08:00 • committed by Kristian Høgsberg
parent 1f411902de
commit 4d8ba216c5
1 changed files with 17 additions and 3 deletions
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20
clients/window.c
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@ -167,16 +167,20 @@ struct drm_surface_data {
struct surface_data data;
EGLImageKHR image;
GLuint texture;
EGLDisplay dpy;
struct display *display;
};
static void
drm_surface_data_destroy(void *p)
{
struct drm_surface_data *data = p;
struct display *d = data->display;
cairo_device_acquire(d->device);
glDeleteTextures(1, &data->texture);
eglDestroyImageKHR(data->dpy, data->image);
cairo_device_release(d->device);
eglDestroyImageKHR(d->dpy, data->image);
wl_buffer_destroy(data->data.buffer);
}
@ -203,13 +207,17 @@ display_create_drm_surface(struct display *display,
if (data == NULL)
return NULL;
data->display = display;
image_attribs[1] = rectangle->width;
image_attribs[3] = rectangle->height;
data->image = eglCreateDRMImageMESA(dpy, image_attribs);
cairo_device_acquire(display->device);
glGenTextures(1, &data->texture);
data->dpy = dpy;
glBindTexture(GL_TEXTURE_2D, data->texture);
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, data->image);
cairo_device_release(display->device);
eglExportDRMImageMESA(display->dpy, data->image, &name, NULL, &stride);
@ -240,6 +248,7 @@ display_create_drm_surface_from_file(struct display *display,
GError *error = NULL;
int stride, i;
unsigned char *pixels, *p, *end;
struct drm_surface_data *data;
pixbuf = gdk_pixbuf_new_from_file_at_scale(filename,
rect->width, rect->height,
@ -275,8 +284,13 @@ display_create_drm_surface_from_file(struct display *display,
}
surface = display_create_drm_surface(display, rect);
data = cairo_surface_get_user_data(surface, &surface_data_key);
cairo_device_acquire(display->device);
glBindTexture(GL_TEXTURE_2D, data->texture);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, rect->width, rect->height,
GL_RGBA, GL_UNSIGNED_BYTE, pixels);
cairo_device_release(display->device);
gdk_pixbuf_unref(pixbuf);