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Commit 07fdc0a0 authored by Marek Olšák's avatar Marek Olšák
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gallium: add pipe_screen::check_resource_capability


This is optional (and no CAP).

Implemented by radeonsi, ddebug, rbug, trace.

Reviewed-by: default avatarDaniel Stone <daniels@collabora.com>
Reviewed-by: default avatarNicolai Hähnle <nicolai.haehnle@amd.com>
parent 5f2073be
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......@@ -308,6 +308,16 @@ dd_screen_resource_get_handle(struct pipe_screen *_screen,
return screen->resource_get_handle(screen, pipe, resource, handle, usage);
}
static bool
dd_screen_check_resource_capability(struct pipe_screen *_screen,
struct pipe_resource *resource,
unsigned bind)
{
struct pipe_screen *screen = dd_screen(_screen)->screen;
return screen->check_resource_capability(screen, resource, bind);
}
/********************************************************************
* fence
......@@ -467,6 +477,7 @@ ddebug_screen_create(struct pipe_screen *screen)
dscreen->base.resource_from_handle = dd_screen_resource_from_handle;
SCR_INIT(resource_from_memobj);
SCR_INIT(resource_from_user_memory);
SCR_INIT(check_resource_capability);
dscreen->base.resource_get_handle = dd_screen_resource_get_handle;
SCR_INIT(resource_changed);
dscreen->base.resource_destroy = dd_screen_resource_destroy;
......
......@@ -2878,6 +2878,26 @@ r600_texture_from_memobj(struct pipe_screen *screen,
return &rtex->resource.b.b;
}
static bool si_check_resource_capability(struct pipe_screen *screen,
struct pipe_resource *resource,
unsigned bind)
{
struct r600_texture *tex = (struct r600_texture*)resource;
/* Buffers only support the linear flag. */
if (resource->target == PIPE_BUFFER)
return (bind & ~PIPE_BIND_LINEAR) == 0;
if (bind & PIPE_BIND_LINEAR && !tex->surface.is_linear)
return false;
if (bind & PIPE_BIND_SCANOUT && !tex->surface.is_displayable)
return false;
/* TODO: PIPE_BIND_CURSOR - do we care? */
return true;
}
void si_init_screen_texture_functions(struct r600_common_screen *rscreen)
{
rscreen->b.resource_from_handle = r600_texture_from_handle;
......@@ -2885,6 +2905,7 @@ void si_init_screen_texture_functions(struct r600_common_screen *rscreen)
rscreen->b.resource_from_memobj = r600_texture_from_memobj;
rscreen->b.memobj_create_from_handle = r600_memobj_from_handle;
rscreen->b.memobj_destroy = r600_memobj_destroy;
rscreen->b.check_resource_capability = si_check_resource_capability;
}
void si_init_context_texture_functions(struct r600_common_context *rctx)
......
......@@ -183,6 +183,19 @@ rbug_screen_resource_from_handle(struct pipe_screen *_screen,
return result;
}
static bool
rbug_screen_check_resource_capability(struct pipe_screen *_screen,
struct pipe_resource *_resource,
unsigned bind)
{
struct rbug_screen *rb_screen = rbug_screen(_screen);
struct rbug_resource *rb_resource = rbug_resource(_resource);
struct pipe_screen *screen = rb_screen->screen;
struct pipe_resource *resource = rb_resource->resource;
return screen->check_resource_capability(screen, resource, bind);
}
static boolean
rbug_screen_resource_get_handle(struct pipe_screen *_screen,
struct pipe_context *_pipe,
......@@ -301,6 +314,7 @@ rbug_screen_create(struct pipe_screen *screen)
rb_screen->base.context_create = rbug_screen_context_create;
rb_screen->base.resource_create = rbug_screen_resource_create;
rb_screen->base.resource_from_handle = rbug_screen_resource_from_handle;
SCR_INIT(check_resource_capability);
rb_screen->base.resource_get_handle = rbug_screen_resource_get_handle;
SCR_INIT(resource_changed);
rb_screen->base.resource_destroy = rbug_screen_resource_destroy;
......
......@@ -379,6 +379,16 @@ trace_screen_resource_from_handle(struct pipe_screen *_screen,
return result;
}
static bool
trace_screen_check_resource_capability(struct pipe_screen *_screen,
struct pipe_resource *resource,
unsigned bind)
{
struct pipe_screen *screen = trace_screen(_screen)->screen;
return screen->check_resource_capability(screen, resource, bind);
}
static boolean
trace_screen_resource_get_handle(struct pipe_screen *_screen,
struct pipe_context *_pipe,
......@@ -636,6 +646,7 @@ trace_screen_create(struct pipe_screen *screen)
tr_scr->base.context_create = trace_screen_context_create;
tr_scr->base.resource_create = trace_screen_resource_create;
tr_scr->base.resource_from_handle = trace_screen_resource_from_handle;
SCR_INIT(check_resource_capability);
tr_scr->base.resource_get_handle = trace_screen_resource_get_handle;
SCR_INIT(resource_from_memobj);
SCR_INIT(resource_changed);
......
......@@ -204,6 +204,23 @@ struct pipe_screen {
const struct pipe_resource *t,
void *user_memory);
/**
* Unlike pipe_resource::bind, which describes what state trackers want,
* resources can have much greater capabilities in practice, often implied
* by the tiling layout or memory placement. This function allows querying
* whether a capability is supported beyond what was requested by state
* trackers. It's also useful for querying capabilities of imported
* resources where the capabilities are unknown at first.
*
* Only these flags are allowed:
* - PIPE_BIND_SCANOUT
* - PIPE_BIND_CURSOR
* - PIPE_BIND_LINEAR
*/
bool (*check_resource_capability)(struct pipe_screen *screen,
struct pipe_resource *resource,
unsigned bind);
/**
* Get a winsys_handle from a texture. Some platforms/winsys requires
* that the texture is created with a special usage flag like
......
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