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authorCorbin Simpson <MostAwesomeDude@gmail.com>2009-01-23 03:09:15 -0800
committerCorbin Simpson <MostAwesomeDude@gmail.com>2009-02-01 23:30:26 -0800
commit471129c7a14fb585ede198970e59270c4afa5310 (patch)
tree3b3b86bde5f22bf622735e45d7f77857e9bd8f29 /src/gallium/drivers/r300
parent8e11e0121466efa34cfc14d299b43455a30b198c (diff)
r300: Add more pipe_texture stuff.
This is enough to sate glxinfo, for now.
Diffstat (limited to 'src/gallium/drivers/r300')
-rw-r--r--src/gallium/drivers/r300/r300_texture.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index 2f6c52b137..c1df905033 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -104,8 +104,62 @@ static void r300_texture_release(struct pipe_screen* screen,
*texture = NULL;
}
+static struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen,
+ struct pipe_texture* texture,
+ unsigned face,
+ unsigned level,
+ unsigned zslice,
+ unsigned flags)
+{
+ struct r300_texture* tex = (struct r300_texture*)texture;
+ struct pipe_surface* surface = CALLOC_STRUCT(pipe_surface);
+ unsigned offset;
+
+ /* XXX this is certainly dependent on tex target */
+ offset = tex->offset[level];
+
+ if (surface) {
+ surface->refcount = 1;
+ surface->winsys = screen->winsys;
+ pipe_texture_reference(&surface->texture, texture);
+ pipe_buffer_reference(screen, &surface->buffer, tex->buffer);
+ surface->format = texture->format;
+ surface->width = texture->width[level];
+ surface->height = texture->height[level];
+ surface->block = texture->block;
+ surface->nblocksx = texture->nblocksx[level];
+ surface->nblocksy = texture->nblocksy[level];
+ /* XXX save the actual stride instead plz kthnxbai */
+ surface->stride =
+ (texture->nblocksx[level] * texture->block.size + 31) & ~31;
+ surface->offset = offset;
+ surface->usage = flags;
+ surface->status = PIPE_SURFACE_STATUS_DEFINED;
+ }
+
+ return surface;
+}
+
+static void r300_tex_surface_release(struct pipe_screen* screen,
+ struct pipe_surface** surface)
+{
+ struct pipe_surface* s = *surface;
+
+ s->refcount--;
+
+ if (s->refcount <= 0) {
+ pipe_texture_reference(&s->texture, NULL);
+ pipe_buffer_reference(screen, &s->buffer, NULL);
+ FREE(s);
+ }
+
+ *surface = NULL;
+}
+
void r300_init_screen_texture_functions(struct pipe_screen* screen)
{
screen->texture_create = r300_texture_create;
screen->texture_release = r300_texture_release;
+ screen->get_tex_surface = r300_get_tex_surface;
+ screen->tex_surface_release = r300_tex_surface_release;
}