unsigned buffer_size = 0;
for (level = 0; level <= pt->last_level; level++) {
+ unsigned slices;
+
+ if (pt->target == PIPE_TEXTURE_CUBE)
+ slices = 6;
+ else if (pt->target == PIPE_TEXTURE_3D)
+ slices = depth;
+ else
+ slices = pt->array_size;
+
spr->stride[level] = util_format_get_stride(pt->format, width);
spr->level_offset[level] = buffer_size;
buffer_size += (util_format_get_nblocksy(pt->format, height) *
- ((pt->target == PIPE_TEXTURE_CUBE) ? 6 : depth) *
- spr->stride[level]);
+ slices * spr->stride[level]);
width = u_minify(width, 1);
height = u_minify(height, 1);
}
+/**
+ * Helper function to compute offset (in bytes) for a particular
+ * texture level/face/slice from the start of the buffer.
+ */
+static unsigned
+sp_get_tex_image_offset(const struct softpipe_resource *spr,
+ unsigned level, unsigned layer)
+{
+ const unsigned hgt = u_minify(spr->base.height0, level);
+ const unsigned nblocksy = util_format_get_nblocksy(spr->base.format, hgt);
+ unsigned offset = spr->level_offset[level];
+
+ if (spr->base.target == PIPE_TEXTURE_CUBE ||
+ spr->base.target == PIPE_TEXTURE_3D ||
+ spr->base.target == PIPE_TEXTURE_2D_ARRAY) {
+ offset += layer * nblocksy * spr->stride[level];
+ }
+ else if (spr->base.target == PIPE_TEXTURE_1D_ARRAY) {
+ offset += layer * spr->stride[level];
+ }
+ else {
+ assert(layer == 0);
+ }
+
+ return offset;
+}
+
+
/**
* Get a pipe_surface "view" into a texture resource.
*/
static struct pipe_surface *
-softpipe_get_tex_surface(struct pipe_screen *screen,
- struct pipe_resource *pt,
- unsigned face, unsigned level, unsigned zslice,
- unsigned usage)
+softpipe_create_surface(struct pipe_context *pipe,
+ struct pipe_resource *pt,
+ const struct pipe_surface *surf_tmpl)
{
- struct softpipe_resource *spr = softpipe_resource(pt);
struct pipe_surface *ps;
+ unsigned level = surf_tmpl->u.tex.level;
assert(level <= pt->last_level);
+ assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
ps = CALLOC_STRUCT(pipe_surface);
if (ps) {
pipe_reference_init(&ps->reference, 1);
pipe_resource_reference(&ps->texture, pt);
- ps->format = pt->format;
+ ps->context = pipe;
+ ps->format = surf_tmpl->format;
ps->width = u_minify(pt->width0, level);
ps->height = u_minify(pt->height0, level);
- ps->offset = spr->level_offset[level];
- ps->usage = usage;
+ ps->usage = surf_tmpl->usage;
- ps->face = face;
- ps->level = level;
- ps->zslice = zslice;
-
- if (pt->target == PIPE_TEXTURE_CUBE) {
- ps->offset += face * util_format_get_nblocksy(pt->format, u_minify(pt->height0, level)) *
- spr->stride[level];
- }
- else if (pt->target == PIPE_TEXTURE_3D) {
- ps->offset += zslice * util_format_get_nblocksy(pt->format, u_minify(pt->height0, level)) *
- spr->stride[level];
- }
- else {
- assert(face == 0);
- assert(zslice == 0);
- }
+ ps->u.tex.level = level;
+ ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
+ ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
}
return ps;
}
/**
- * Free a pipe_surface which was created with softpipe_get_tex_surface().
+ * Free a pipe_surface which was created with softpipe_create_surface().
*/
static void
-softpipe_tex_surface_destroy(struct pipe_surface *surf)
+softpipe_surface_destroy(struct pipe_context *pipe,
+ struct pipe_surface *surf)
{
/* Effectively do the texture_update work here - if texture images
* needed post-processing to put them into hardware layout, this is
* a resource object.
* \param pipe rendering context
* \param resource the resource to transfer in/out of
- * \param sr indicates cube face or 3D texture slice
+ * \param level which mipmap level
* \param usage bitmask of PIPE_TRANSFER_x flags
* \param box the 1D/2D/3D region of interest
*/
static struct pipe_transfer *
softpipe_get_transfer(struct pipe_context *pipe,
- struct pipe_resource *resource,
- struct pipe_subresource sr,
- unsigned usage,
- const struct pipe_box *box)
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box)
{
- struct softpipe_resource *sprex = softpipe_resource(resource);
- struct softpipe_transfer *spr;
+ struct softpipe_resource *spr = softpipe_resource(resource);
+ struct softpipe_transfer *spt;
assert(resource);
- assert(sr.level <= resource->last_level);
+ assert(level <= resource->last_level);
/* make sure the requested region is in the image bounds */
- assert(box->x + box->width <= u_minify(resource->width0, sr.level));
- assert(box->y + box->height <= u_minify(resource->height0, sr.level));
- assert(box->z + box->depth <= u_minify(resource->depth0, sr.level));
+ assert(box->x + box->width <= u_minify(resource->width0, level));
+ if (resource->target == PIPE_TEXTURE_1D_ARRAY) {
+ assert(box->y + box->height <= resource->array_size);
+ }
+ else {
+ assert(box->y + box->height <= u_minify(resource->height0, level));
+ if (resource->target == PIPE_TEXTURE_2D_ARRAY) {
+ assert(box->z + box->depth <= resource->array_size);
+ }
+ else if (resource->target == PIPE_TEXTURE_CUBE) {
+ assert(box->z < 6);
+ }
+ else {
+ assert(box->z + box->depth <= (u_minify(resource->depth0, level)));
+ }
+ }
/*
* Transfers, like other pipe operations, must happen in order, so flush the
boolean read_only = !(usage & PIPE_TRANSFER_WRITE);
boolean do_not_block = !!(usage & PIPE_TRANSFER_DONTBLOCK);
if (!softpipe_flush_resource(pipe, resource,
- sr.face, sr.level,
+ level, box->depth > 1 ? -1 : box->z,
0, /* flush_flags */
read_only,
TRUE, /* cpu_access */
}
}
- spr = CALLOC_STRUCT(softpipe_transfer);
- if (spr) {
- struct pipe_transfer *pt = &spr->base;
+ spt = CALLOC_STRUCT(softpipe_transfer);
+ if (spt) {
+ struct pipe_transfer *pt = &spt->base;
enum pipe_format format = resource->format;
- int nblocksy = util_format_get_nblocksy(resource->format,
- u_minify(resource->height0, sr.level));
+ const unsigned hgt = u_minify(spr->base.height0, level);
+ const unsigned nblocksy = util_format_get_nblocksy(format, hgt);
+
pipe_resource_reference(&pt->resource, resource);
- pt->sr = sr;
+ pt->level = level;
pt->usage = usage;
pt->box = *box;
- pt->stride = sprex->stride[sr.level];
-
- spr->offset = sprex->level_offset[sr.level];
+ pt->stride = spr->stride[level];
+ pt->layer_stride = pt->stride * nblocksy;
- if (resource->target == PIPE_TEXTURE_CUBE) {
- spr->offset += sr.face * nblocksy * pt->stride;
- }
- else if (resource->target == PIPE_TEXTURE_3D) {
- spr->offset += box->z * nblocksy * pt->stride;
- }
- else {
- assert(sr.face == 0);
- assert(box->z == 0);
- }
-
- spr->offset +=
- box->y / util_format_get_blockheight(format) * spr->base.stride +
- box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
+ spt->offset = sp_get_tex_image_offset(spr, level, box->z);
+
+ spt->offset +=
+ box->y / util_format_get_blockheight(format) * spt->base.stride +
+ box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
return pt;
}
softpipe_transfer_map(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
- struct softpipe_transfer *sp_transfer = softpipe_transfer(transfer);
- struct softpipe_resource *sp_resource = softpipe_resource(transfer->resource);
+ struct softpipe_transfer *spt = softpipe_transfer(transfer);
+ struct softpipe_resource *spr = softpipe_resource(transfer->resource);
struct sw_winsys *winsys = softpipe_screen(pipe->screen)->winsys;
uint8_t *map;
/* resources backed by display target treated specially:
*/
- if (sp_resource->dt) {
- map = winsys->displaytarget_map(winsys,
- sp_resource->dt,
- transfer->usage);
+ if (spr->dt) {
+ map = winsys->displaytarget_map(winsys, spr->dt, transfer->usage);
}
else {
- map = sp_resource->data;
+ map = spr->data;
}
if (map == NULL)
return NULL;
else
- return map + sp_transfer->offset;
+ return map + spt->offset;
}
unsigned bytes,
unsigned bind_flags)
{
- struct softpipe_resource *buffer;
+ struct softpipe_resource *spr;
- buffer = CALLOC_STRUCT(softpipe_resource);
- if(!buffer)
+ spr = CALLOC_STRUCT(softpipe_resource);
+ if (!spr)
return NULL;
-
- pipe_reference_init(&buffer->base.reference, 1);
- buffer->base.screen = screen;
- buffer->base.format = PIPE_FORMAT_R8_UNORM; /* ?? */
- buffer->base.bind = bind_flags;
- buffer->base.usage = PIPE_USAGE_IMMUTABLE;
- buffer->base.flags = 0;
- buffer->base.width0 = bytes;
- buffer->base.height0 = 1;
- buffer->base.depth0 = 1;
- buffer->userBuffer = TRUE;
- buffer->data = ptr;
-
- return &buffer->base;
+ pipe_reference_init(&spr->base.reference, 1);
+ spr->base.screen = screen;
+ spr->base.format = PIPE_FORMAT_R8_UNORM; /* ?? */
+ spr->base.bind = bind_flags;
+ spr->base.usage = PIPE_USAGE_IMMUTABLE;
+ spr->base.flags = 0;
+ spr->base.width0 = bytes;
+ spr->base.height0 = 1;
+ spr->base.depth0 = 1;
+ spr->base.array_size = 1;
+ spr->base.user_ptr = ptr;
+ spr->userBuffer = TRUE;
+ spr->data = ptr;
+
+ return &spr->base;
}
pipe->transfer_flush_region = u_default_transfer_flush_region;
pipe->transfer_inline_write = u_default_transfer_inline_write;
+
+ pipe->create_surface = softpipe_create_surface;
+ pipe->surface_destroy = softpipe_surface_destroy;
}
screen->resource_get_handle = softpipe_resource_get_handle;
screen->user_buffer_create = softpipe_user_buffer_create;
- screen->get_tex_surface = softpipe_get_tex_surface;
- screen->tex_surface_destroy = softpipe_tex_surface_destroy;
}
projects / mesa.git / blobdiff