static struct i915_winsys_buffer *
i915_drm_buffer_create_tiled(struct i915_winsys *iws,
unsigned *stride, unsigned height,
enum i915_winsys_buffer_tile *tiling,
enum i915_winsys_buffer_type type)
{
struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);
struct i915_drm_winsys *idws = i915_drm_winsys(iws);
unsigned long pitch = 0;
uint32_t tiling_mode = *tiling;
if (!buf)
return NULL;
buf->magic = 0xDEAD1337;
buf->flinked = FALSE;
buf->flink = 0;
buf->bo = drm_intel_bo_alloc_tiled(idws->gem_manager,
i915_drm_type_to_name(type),
*stride, height, 1,
&tiling_mode, &pitch, 0);
if (!buf->bo)
goto err;
*stride = pitch;
*tiling = tiling_mode;
return (struct i915_winsys_buffer *)buf;
err:
assert(0);
FREE(buf);
return NULL;
}
static struct i915_winsys_buffer *
i915_drm_buffer_create(struct i915_winsys *iws,
unsigned size,
enum i915_winsys_buffer_type type)
{
struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);
struct i915_drm_winsys *idws = i915_drm_winsys(iws);
if (!buf)
return NULL;
buf->magic = 0xDEAD1337;
buf->flinked = FALSE;
buf->flink = 0;
buf->bo = drm_intel_bo_alloc(idws->gem_manager,
i915_drm_type_to_name(type), size, 0);
if (!buf->bo)
goto err;
return (struct i915_winsys_buffer *)buf;
err:
assert(0);
FREE(buf);
return NULL;
}
static void
i915_drm_winsys_destroy(struct i915_winsys *iws)
{
struct i915_drm_winsys *idws = i915_drm_winsys(iws);
drm_intel_bufmgr_destroy(idws->gem_manager);
FREE(idws);
}
static void
i915_drm_winsys_destroy(struct i915_winsys *iws)
{
struct i915_drm_winsys *idws = i915_drm_winsys(iws);
drm_intel_bufmgr_destroy(idws->pools.gem);
FREE(idws);
}
static struct i915_winsys_buffer *
i915_drm_buffer_from_handle(struct i915_winsys *iws,
struct winsys_handle *whandle,
enum i915_winsys_buffer_tile *tiling,
unsigned *stride)
{
struct i915_drm_winsys *idws = i915_drm_winsys(iws);
struct i915_drm_buffer *buf;
uint32_t tile = 0, swizzle = 0;
if (whandle->type != DRM_API_HANDLE_TYPE_SHARED)
return NULL;
buf = CALLOC_STRUCT(i915_drm_buffer);
if (!buf)
return NULL;
buf->magic = 0xDEAD1337;
buf->bo = drm_intel_bo_gem_create_from_name(idws->gem_manager, "gallium3d_from_handle", whandle->handle);
buf->flinked = TRUE;
buf->flink = whandle->handle;
if (!buf->bo)
goto err;
drm_intel_bo_get_tiling(buf->bo, &tile, &swizzle);
*stride = whandle->stride;
*tiling = tile;
return (struct i915_winsys_buffer *)buf;
err:
FREE(buf);
return NULL;
}