struct xa_tracker *
xa_tracker_create(int drm_fd)
{
struct xa_tracker *xa = calloc(1, sizeof(struct xa_tracker));
enum xa_surface_type stype;
unsigned int num_formats;
if (!xa)
return NULL;
xa->screen = driver_descriptor.create_screen(drm_fd);
if (!xa->screen)
goto out_no_screen;
xa->default_ctx = xa_context_create(xa);
if (!xa->default_ctx)
goto out_no_pipe;
num_formats = 0;
for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype)
num_formats += num_preferred[stype];
num_formats += 1;
xa->supported_formats = calloc(num_formats, sizeof(*xa->supported_formats));
if (!xa->supported_formats)
goto out_sf_alloc_fail;
xa->supported_formats[0] = xa_format_unknown;
num_formats = 1;
memset(xa->format_map, 0, sizeof(xa->format_map));
for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) {
unsigned int bind = stype_bind[stype];
enum xa_formats xa_format;
int i;
for (i = 0; i < num_preferred[stype]; ++i) {
xa_format = preferred[stype][i];
struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);
if (xa->screen->is_format_supported(xa->screen, fdesc.format,
PIPE_TEXTURE_2D, 0, bind)) {
if (xa->format_map[stype][0] == 0)
xa->format_map[stype][0] = num_formats;
xa->format_map[stype][1] = num_formats;
xa->supported_formats[num_formats++] = xa_format;
}
}
}
return xa;
out_sf_alloc_fail:
xa_context_destroy(xa->default_ctx);
out_no_pipe:
xa->screen->destroy(xa->screen);
out_no_screen:
free(xa);
return NULL;
}
static struct xa_format_descriptor
xa_get_format_stype_depth(struct xa_tracker *xa,
enum xa_surface_type stype, unsigned int depth)
{
unsigned int i;
struct xa_format_descriptor fdesc;
int found = 0;
for (i = xa->format_map[stype][0]; i <= xa->format_map[stype][1]; ++i) {
fdesc = xa_get_pipe_format(xa->supported_formats[i]);
if (fdesc.xa_format != xa_format_unknown &&
xa_format_depth(fdesc.xa_format) == depth) {
found = 1;
break;
}
}
if (!found)
fdesc.xa_format = xa_format_unknown;
return fdesc;
}
int
xa_format_check_supported(struct xa_tracker *xa,
enum xa_formats xa_format, unsigned int flags)
{
struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);
unsigned int bind;
if (fdesc.xa_format == xa_format_unknown)
return -XA_ERR_INVAL;
bind = stype_bind[xa_format_type(fdesc.xa_format)];
if (flags & XA_FLAG_SHARED)
bind |= PIPE_BIND_SHARED;
if (flags & XA_FLAG_RENDER_TARGET)
bind |= PIPE_BIND_RENDER_TARGET;
if (!xa->screen->is_format_supported(xa->screen, fdesc.format,
PIPE_TEXTURE_2D, 0, bind))
return -XA_ERR_INVAL;
return XA_ERR_NONE;
}
struct xa_surface *
xa_surface_create(struct xa_tracker *xa,
int width,
int height,
int depth,
enum xa_surface_type stype,
enum xa_formats xa_format, unsigned int flags)
{
struct pipe_resource *template;
struct xa_surface *srf;
struct xa_format_descriptor fdesc;
if (xa_format == xa_format_unknown)
fdesc = xa_get_format_stype_depth(xa, stype, depth);
else
fdesc = xa_get_pipe_format(xa_format);
if (fdesc.xa_format == xa_format_unknown)
return NULL;
srf = calloc(1, sizeof(*srf));
if (!srf)
return NULL;
XA_EXPORT struct xa_tracker *
xa_tracker_create(int drm_fd)
{
struct xa_tracker *xa = calloc(1, sizeof(struct xa_tracker));
enum xa_surface_type stype;
unsigned int num_formats;
int loader_fd;
if (!xa)
return NULL;
#if GALLIUM_STATIC_TARGETS
xa->screen = dd_create_screen(drm_fd);
(void) loader_fd; /* silence unused var warning */
#else
loader_fd = dup(drm_fd);
if (loader_fd == -1)
return NULL;
if (pipe_loader_drm_probe_fd(&xa->dev, loader_fd))
xa->screen = pipe_loader_create_screen(xa->dev, PIPE_SEARCH_DIR);
#endif
if (!xa->screen)
goto out_no_screen;
xa->default_ctx = xa_context_create(xa);
if (!xa->default_ctx)
goto out_no_pipe;
num_formats = 0;
for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype)
num_formats += num_preferred[stype];
num_formats += 1;
xa->supported_formats = calloc(num_formats, sizeof(*xa->supported_formats));
if (!xa->supported_formats)
goto out_sf_alloc_fail;
xa->supported_formats[0] = xa_format_unknown;
num_formats = 1;
memset(xa->format_map, 0, sizeof(xa->format_map));
for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) {
unsigned int bind = stype_bind[stype];
enum xa_formats xa_format;
int i;
for (i = 0; i < num_preferred[stype]; ++i) {
xa_format = preferred[stype][i];
struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);
if (xa->screen->is_format_supported(xa->screen, fdesc.format,
PIPE_TEXTURE_2D, 0, bind)) {
if (xa->format_map[stype][0] == 0)
xa->format_map[stype][0] = num_formats;
xa->format_map[stype][1] = num_formats;
xa->supported_formats[num_formats++] = xa_format;
}
}
}
return xa;
out_sf_alloc_fail:
xa_context_destroy(xa->default_ctx);
out_no_pipe:
xa->screen->destroy(xa->screen);
out_no_screen:
#if !GALLIUM_STATIC_TARGETS
if (xa->dev)
pipe_loader_release(&xa->dev, 1);
#endif
free(xa);
return NULL;
}
