KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

r300: Add more pipe_texture stuff. 

This is enough to sate glxinfo, for now.
This commit is contained in:
Corbin Simpson 2009-01-23 03:09:15 -08:00
parent 8e11e01214
commit 471129c7a1
1 changed files with 54 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
src/gallium/drivers/r300/r300_texture.c
View File

@ -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;
}