static struct pipe_surface *
svga_get_tex_surface(struct pipe_screen *screen,
struct pipe_resource *pt,
unsigned face, unsigned level, unsigned zslice,
unsigned flags)
{
struct svga_texture *tex = svga_texture(pt);
struct svga_surface *s;
boolean render = (flags & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DEPTH_STENCIL)) ? TRUE : FALSE;
boolean view = FALSE;
SVGA3dSurfaceFormat format;
s = CALLOC_STRUCT(svga_surface);
if (!s)
return NULL;
pipe_reference_init(&s->base.reference, 1);
pipe_resource_reference(&s->base.texture, pt);
s->base.format = pt->format;
s->base.width = u_minify(pt->width0, level);
s->base.height = u_minify(pt->height0, level);
s->base.usage = flags;
s->base.level = level;
s->base.face = face;
s->base.zslice = zslice;
if (!render)
format = svga_translate_format(pt->format);
else
format = svga_translate_format_render(pt->format);
assert(format != SVGA3D_FORMAT_INVALID);
if (svga_screen(screen)->debug.force_surface_view)
view = TRUE;
/* Currently only used for compressed textures */
if (render &&
format != svga_translate_format(pt->format)) {
view = TRUE;
}
if (level != 0 &&
svga_screen(screen)->debug.force_level_surface_view)
view = TRUE;
if (pt->target == PIPE_TEXTURE_3D)
view = TRUE;
if (svga_screen(screen)->debug.no_surface_view)
view = FALSE;
if (view) {
SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
pt, level, face, zslice, s);
s->handle = svga_texture_view_surface(NULL, tex, format, level, 1, face, zslice,
&s->key);
s->real_face = 0;
s->real_level = 0;
s->real_zslice = 0;
} else {
SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
pt, level, face, zslice, s);
memset(&s->key, 0, sizeof s->key);
s->handle = tex->handle;
s->real_face = face;
s->real_level = level;
s->real_zslice = zslice;
}
return &s->base;
}
/**
* A helper function to create a surface view.
* The view boolean flag specifies whether svga_texture_view_surface()
* will be called to create a cloned surface and resource for the view.
*/
static struct pipe_surface *
svga_create_surface_view(struct pipe_context *pipe,
struct pipe_resource *pt,
const struct pipe_surface *surf_tmpl,
boolean view)
{
struct svga_context *svga = svga_context(pipe);
struct svga_texture *tex = svga_texture(pt);
struct pipe_screen *screen = pipe->screen;
struct svga_screen *ss = svga_screen(screen);
struct svga_surface *s;
unsigned layer, zslice, bind;
unsigned nlayers = 1;
SVGA3dSurfaceFlags flags = 0;
SVGA3dSurfaceFormat format;
s = CALLOC_STRUCT(svga_surface);
if (!s)
return NULL;
if (pt->target == PIPE_TEXTURE_CUBE) {
layer = surf_tmpl->u.tex.first_layer;
zslice = 0;
}
else if (pt->target == PIPE_TEXTURE_1D_ARRAY ||
pt->target == PIPE_TEXTURE_2D_ARRAY) {
layer = surf_tmpl->u.tex.first_layer;
zslice = 0;
nlayers = surf_tmpl->u.tex.last_layer - surf_tmpl->u.tex.first_layer + 1;
}
else {
layer = 0;
zslice = surf_tmpl->u.tex.first_layer;
}
pipe_reference_init(&s->base.reference, 1);
pipe_resource_reference(&s->base.texture, pt);
s->base.context = pipe;
s->base.format = surf_tmpl->format;
s->base.width = u_minify(pt->width0, surf_tmpl->u.tex.level);
s->base.height = u_minify(pt->height0, surf_tmpl->u.tex.level);
s->base.u.tex.level = surf_tmpl->u.tex.level;
s->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer;
s->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer;
s->view_id = SVGA3D_INVALID_ID;
s->backed = NULL;
if (util_format_is_depth_or_stencil(surf_tmpl->format)) {
flags = SVGA3D_SURFACE_HINT_DEPTHSTENCIL |
SVGA3D_SURFACE_BIND_DEPTH_STENCIL;
bind = PIPE_BIND_DEPTH_STENCIL;
}
else {
flags = SVGA3D_SURFACE_HINT_RENDERTARGET |
SVGA3D_SURFACE_BIND_RENDER_TARGET;
bind = PIPE_BIND_RENDER_TARGET;
}
if (tex->imported)
format = tex->key.format;
else
format = svga_translate_format(ss, surf_tmpl->format, bind);
assert(format != SVGA3D_FORMAT_INVALID);
if (view) {
SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u layer %u z %u, %p\n",
pt, surf_tmpl->u.tex.level, layer, zslice, s);
if (svga_have_vgpu10(svga)) {
switch (pt->target) {
case PIPE_TEXTURE_1D:
flags |= SVGA3D_SURFACE_1D;
break;
case PIPE_TEXTURE_1D_ARRAY:
flags |= SVGA3D_SURFACE_1D | SVGA3D_SURFACE_ARRAY;
break;
case PIPE_TEXTURE_2D_ARRAY:
flags |= SVGA3D_SURFACE_ARRAY;
break;
case PIPE_TEXTURE_3D:
flags |= SVGA3D_SURFACE_VOLUME;
break;
case PIPE_TEXTURE_CUBE:
if (nlayers == 6)
flags |= SVGA3D_SURFACE_CUBEMAP;
break;
default:
break;
}
}
/* When we clone the surface view resource, use the format used in
* the creation of the original resource.
*/
s->handle = svga_texture_view_surface(svga, tex, bind, flags, tex->key.format,
surf_tmpl->u.tex.level, 1,
layer, nlayers, zslice, &s->key);
if (!s->handle) {
FREE(s);
return NULL;
}
s->key.format = format;
s->real_layer = 0;
s->real_level = 0;
s->real_zslice = 0;
} else {
SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, layer %u, z %u, %p\n",
pt, surf_tmpl->u.tex.level, layer, zslice, s);
memset(&s->key, 0, sizeof s->key);
s->key.format = format;
s->handle = tex->handle;
s->real_layer = layer;
s->real_zslice = zslice;
s->real_level = surf_tmpl->u.tex.level;
}
svga->hud.num_surface_views++;
return &s->base;
}
struct svga_sampler_view *
svga_get_tex_sampler_view(struct pipe_context *pipe,
struct pipe_resource *pt,
unsigned min_lod, unsigned max_lod)
{
struct svga_context *svga = svga_context(pipe);
struct svga_screen *ss = svga_screen(pipe->screen);
struct svga_texture *tex = svga_texture(pt);
struct svga_sampler_view *sv = NULL;
SVGA3dSurfaceFlags flags = SVGA3D_SURFACE_HINT_TEXTURE;
SVGA3dSurfaceFormat format = svga_translate_format(ss, pt->format,
PIPE_BIND_SAMPLER_VIEW);
boolean view = TRUE;
assert(pt);
assert(min_lod <= max_lod);
assert(max_lod <= pt->last_level);
assert(!svga_have_vgpu10(svga));
/* Is a view needed */
{
/*
* Can't control max lod. For first level views and when we only
* look at one level we disable mip filtering to achive the same
* results as a view.
*/
if (min_lod == 0 && max_lod >= pt->last_level)
view = FALSE;
if (ss->debug.no_sampler_view)
view = FALSE;
if (ss->debug.force_sampler_view)
view = TRUE;
}
/* First try the cache */
if (view) {
mtx_lock(&ss->tex_mutex);
if (tex->cached_view &&
tex->cached_view->min_lod == min_lod &&
tex->cached_view->max_lod == max_lod) {
svga_sampler_view_reference(&sv, tex->cached_view);
mtx_unlock(&ss->tex_mutex);
SVGA_DBG(DEBUG_VIEWS, "svga: Sampler view: reuse %p, %u %u, last %u\n",
pt, min_lod, max_lod, pt->last_level);
svga_validate_sampler_view(svga_context(pipe), sv);
return sv;
}
mtx_unlock(&ss->tex_mutex);
}
sv = CALLOC_STRUCT(svga_sampler_view);
if (!sv)
return NULL;
pipe_reference_init(&sv->reference, 1);
/* Note: we're not refcounting the texture resource here to avoid
* a circular dependency.
*/
sv->texture = pt;
sv->min_lod = min_lod;
sv->max_lod = max_lod;
/* No view needed just use the whole texture */
if (!view) {
SVGA_DBG(DEBUG_VIEWS,
"svga: Sampler view: no %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n",
pt, min_lod, max_lod,
max_lod - min_lod + 1,
pt->width0,
pt->height0,
pt->depth0,
pt->last_level);
sv->key.cachable = 0;
sv->handle = tex->handle;
debug_reference(&sv->reference,
(debug_reference_descriptor)svga_debug_describe_sampler_view, 0);
return sv;
}
SVGA_DBG(DEBUG_VIEWS,
"svga: Sampler view: yes %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n",
pt, min_lod, max_lod,
max_lod - min_lod + 1,
pt->width0,
pt->height0,
pt->depth0,
pt->last_level);
sv->age = tex->age;
sv->handle = svga_texture_view_surface(svga, tex,
PIPE_BIND_SAMPLER_VIEW,
flags, format,
min_lod,
max_lod - min_lod + 1,
-1, 1, -1, FALSE,
&sv->key);
if (!sv->handle) {
sv->key.cachable = 0;
sv->handle = tex->handle;
debug_reference(&sv->reference,
(debug_reference_descriptor)
svga_debug_describe_sampler_view, 0);
return sv;
}
mtx_lock(&ss->tex_mutex);
svga_sampler_view_reference(&tex->cached_view, sv);
mtx_unlock(&ss->tex_mutex);
debug_reference(&sv->reference,
(debug_reference_descriptor)
svga_debug_describe_sampler_view, 0);
return sv;
}
static struct pipe_surface *
svga_create_surface(struct pipe_context *pipe,
struct pipe_resource *pt,
const struct pipe_surface *surf_tmpl)
{
struct svga_context *svga = svga_context(pipe);
struct svga_texture *tex = svga_texture(pt);
struct pipe_screen *screen = pipe->screen;
struct svga_screen *ss = svga_screen(screen);
struct svga_surface *s;
unsigned face, zslice;
boolean view = FALSE;
SVGA3dSurfaceFlags flags;
SVGA3dSurfaceFormat format;
assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
s = CALLOC_STRUCT(svga_surface);
if (!s)
return NULL;
if (pt->target == PIPE_TEXTURE_CUBE) {
face = surf_tmpl->u.tex.first_layer;
zslice = 0;
}
else {
face = 0;
zslice = surf_tmpl->u.tex.first_layer;
}
pipe_reference_init(&s->base.reference, 1);
pipe_resource_reference(&s->base.texture, pt);
s->base.context = pipe;
s->base.format = surf_tmpl->format;
s->base.width = u_minify(pt->width0, surf_tmpl->u.tex.level);
s->base.height = u_minify(pt->height0, surf_tmpl->u.tex.level);
s->base.u.tex.level = surf_tmpl->u.tex.level;
s->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer;
s->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer;
if (util_format_is_depth_or_stencil(surf_tmpl->format)) {
flags = SVGA3D_SURFACE_HINT_DEPTHSTENCIL;
}
else {
flags = SVGA3D_SURFACE_HINT_RENDERTARGET;
}
format = svga_translate_format(ss, surf_tmpl->format, 0);
assert(format != SVGA3D_FORMAT_INVALID);
if (svga_screen(screen)->debug.force_surface_view)
view = TRUE;
/* Currently only used for compressed textures */
if (format != svga_translate_format(ss, surf_tmpl->format, 0)) {
view = TRUE;
}
if (surf_tmpl->u.tex.level != 0 &&
svga_screen(screen)->debug.force_level_surface_view)
view = TRUE;
if (pt->target == PIPE_TEXTURE_3D)
view = TRUE;
if (svga_screen(screen)->debug.no_surface_view)
view = FALSE;
if (view) {
SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
pt, surf_tmpl->u.tex.level, face, zslice, s);
s->handle = svga_texture_view_surface(svga, tex, flags, format,
surf_tmpl->u.tex.level,
1, face, zslice, &s->key);
s->real_face = 0;
s->real_level = 0;
s->real_zslice = 0;
} else {
SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
pt, surf_tmpl->u.tex.level, face, zslice, s);
memset(&s->key, 0, sizeof s->key);
s->handle = tex->handle;
s->real_face = face;
s->real_zslice = zslice;
s->real_level = surf_tmpl->u.tex.level;
}
return &s->base;
}
