#include "util/u_transfer.h"
#include "sp_context.h"
+#include "sp_flush.h"
#include "sp_texture.h"
#include "sp_screen.h"
*/
static boolean
softpipe_resource_layout(struct pipe_screen *screen,
- struct softpipe_resource * spt)
+ struct softpipe_resource *spr)
{
- struct pipe_resource *pt = &spt->base;
+ struct pipe_resource *pt = &spr->base;
unsigned level;
unsigned width = pt->width0;
unsigned height = pt->height0;
unsigned buffer_size = 0;
for (level = 0; level <= pt->last_level; level++) {
- spt->stride[level] = util_format_get_stride(pt->format, width);
+ spr->stride[level] = util_format_get_stride(pt->format, width);
- spt->level_offset[level] = buffer_size;
+ spr->level_offset[level] = buffer_size;
buffer_size += (util_format_get_nblocksy(pt->format, height) *
((pt->target == PIPE_TEXTURE_CUBE) ? 6 : depth) *
- spt->stride[level]);
+ spr->stride[level]);
width = u_minify(width, 1);
height = u_minify(height, 1);
depth = u_minify(depth, 1);
}
- spt->data = align_malloc(buffer_size, 16);
+ spr->data = align_malloc(buffer_size, 16);
- return spt->data != NULL;
+ return spr->data != NULL;
}
*/
static boolean
softpipe_displaytarget_layout(struct pipe_screen *screen,
- struct softpipe_resource * spt)
+ struct softpipe_resource *spr)
{
struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
/* Round up the surface size to a multiple of the tile size?
*/
- spt->dt = winsys->displaytarget_create(winsys,
- spt->base.bind,
- spt->base.format,
- spt->base.width0,
- spt->base.height0,
+ spr->dt = winsys->displaytarget_create(winsys,
+ spr->base.bind,
+ spr->base.format,
+ spr->base.width0,
+ spr->base.height0,
16,
- &spt->stride[0] );
+ &spr->stride[0] );
- return spt->dt != NULL;
+ return spr->dt != NULL;
}
*/
static struct pipe_resource *
softpipe_resource_create(struct pipe_screen *screen,
- const struct pipe_resource *template)
+ const struct pipe_resource *templat)
{
- struct softpipe_resource *spt = CALLOC_STRUCT(softpipe_resource);
- if (!spt)
+ struct softpipe_resource *spr = CALLOC_STRUCT(softpipe_resource);
+ if (!spr)
return NULL;
- assert(template->format != PIPE_FORMAT_NONE);
+ assert(templat->format != PIPE_FORMAT_NONE);
- spt->base = *template;
- pipe_reference_init(&spt->base.reference, 1);
- spt->base.screen = screen;
+ spr->base = *templat;
+ pipe_reference_init(&spr->base.reference, 1);
+ spr->base.screen = screen;
- spt->pot = (util_is_power_of_two(template->width0) &&
- util_is_power_of_two(template->height0) &&
- util_is_power_of_two(template->depth0));
+ spr->pot = (util_is_power_of_two(templat->width0) &&
+ util_is_power_of_two(templat->height0) &&
+ util_is_power_of_two(templat->depth0));
- if (spt->base.bind & (PIPE_BIND_DISPLAY_TARGET |
+ if (spr->base.bind & (PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED)) {
- if (!softpipe_displaytarget_layout(screen, spt))
+ if (!softpipe_displaytarget_layout(screen, spr))
goto fail;
}
else {
- if (!softpipe_resource_layout(screen, spt))
+ if (!softpipe_resource_layout(screen, spr))
goto fail;
}
- return &spt->base;
+ return &spr->base;
fail:
- FREE(spt);
+ FREE(spr);
return NULL;
}
struct pipe_resource *pt)
{
struct softpipe_screen *screen = softpipe_screen(pscreen);
- struct softpipe_resource *spt = softpipe_resource(pt);
+ struct softpipe_resource *spr = softpipe_resource(pt);
- if (spt->dt) {
+ if (spr->dt) {
/* display target */
struct sw_winsys *winsys = screen->winsys;
- winsys->displaytarget_destroy(winsys, spt->dt);
+ winsys->displaytarget_destroy(winsys, spr->dt);
}
- else if (!spt->userBuffer) {
+ else if (!spr->userBuffer) {
/* regular texture */
- align_free(spt->data);
+ align_free(spr->data);
}
- FREE(spt);
+ FREE(spr);
}
static struct pipe_resource *
softpipe_resource_from_handle(struct pipe_screen *screen,
- const struct pipe_resource *template,
- struct winsys_handle *whandle)
+ const struct pipe_resource *templat,
+ struct winsys_handle *whandle)
{
struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
- struct softpipe_resource *spt = CALLOC_STRUCT(softpipe_resource);
- if (!spt)
+ struct softpipe_resource *spr = CALLOC_STRUCT(softpipe_resource);
+ if (!spr)
return NULL;
- spt->base = *template;
- pipe_reference_init(&spt->base.reference, 1);
- spt->base.screen = screen;
+ spr->base = *templat;
+ pipe_reference_init(&spr->base.reference, 1);
+ spr->base.screen = screen;
- spt->pot = (util_is_power_of_two(template->width0) &&
- util_is_power_of_two(template->height0) &&
- util_is_power_of_two(template->depth0));
+ spr->pot = (util_is_power_of_two(templat->width0) &&
+ util_is_power_of_two(templat->height0) &&
+ util_is_power_of_two(templat->depth0));
- spt->dt = winsys->displaytarget_from_handle(winsys,
- template,
+ spr->dt = winsys->displaytarget_from_handle(winsys,
+ templat,
whandle,
- &spt->stride[0]);
- if (!spt->dt)
+ &spr->stride[0]);
+ if (!spr->dt)
goto fail;
- return &spt->base;
+ return &spr->base;
fail:
- FREE(spt);
+ FREE(spr);
return NULL;
}
static boolean
softpipe_resource_get_handle(struct pipe_screen *screen,
- struct pipe_resource *pt,
- struct winsys_handle *whandle)
+ struct pipe_resource *pt,
+ struct winsys_handle *whandle)
{
struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
- struct softpipe_resource *spt = softpipe_resource(pt);
+ struct softpipe_resource *spr = softpipe_resource(pt);
- assert(spt->dt);
- if (!spt->dt)
+ assert(spr->dt);
+ if (!spr->dt)
return FALSE;
- return winsys->displaytarget_get_handle(winsys, spt->dt, whandle);
+ return winsys->displaytarget_get_handle(winsys, spr->dt, whandle);
+}
+
+
+/**
+ * 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 face, unsigned zslice)
+{
+ 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) {
+ assert(zslice == 0);
+ offset += face * nblocksy * spr->stride[level];
+ }
+ else if (spr->base.target == PIPE_TEXTURE_3D) {
+ assert(face == 0);
+ offset += zslice * nblocksy * spr->stride[level];
+ }
+ else {
+ assert(face == 0);
+ assert(zslice == 0);
+ }
+
+ return offset;
}
/**
- * Get a pipe_surface "view" into a texture.
+ * Get a pipe_surface "view" into a texture resource.
*/
static struct pipe_surface *
softpipe_get_tex_surface(struct pipe_screen *screen,
unsigned face, unsigned level, unsigned zslice,
unsigned usage)
{
- struct softpipe_resource *spt = softpipe_resource(pt);
+ struct softpipe_resource *spr = softpipe_resource(pt);
struct pipe_surface *ps;
assert(level <= pt->last_level);
ps->format = pt->format;
ps->width = u_minify(pt->width0, level);
ps->height = u_minify(pt->height0, level);
- ps->offset = spt->level_offset[level];
+ ps->offset = sp_get_tex_image_offset(spr, level, face, zslice);
ps->usage = 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)) *
- spt->stride[level];
- }
- else if (pt->target == PIPE_TEXTURE_3D) {
- ps->offset += zslice * util_format_get_nblocksy(pt->format, u_minify(pt->height0, level)) *
- spt->stride[level];
- }
- else {
- assert(face == 0);
- assert(zslice == 0);
- }
}
return ps;
}
/**
* Geta pipe_transfer object which is used for moving data in/out of
- * a texture object.
- * \param face one of PIPE_TEX_FACE_x or 0
- * \param level texture mipmap level
- * \param zslice 2D slice of a 3D texture
- * \param usage one of PIPE_TRANSFER_READ/WRITE/READ_WRITE
- * \param x X position of region to read/write
- * \param y Y position of region to read/write
- * \param width width of region to read/write
- * \param height height of region to read/write
+ * 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 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,
unsigned usage,
const struct pipe_box *box)
{
- struct softpipe_resource *sptex = softpipe_resource(resource);
+ struct softpipe_resource *spr = softpipe_resource(resource);
struct softpipe_transfer *spt;
assert(resource);
assert(box->y + box->height <= u_minify(resource->height0, sr.level));
assert(box->z + box->depth <= u_minify(resource->depth0, sr.level));
+ /*
+ * Transfers, like other pipe operations, must happen in order, so flush the
+ * context if necessary.
+ */
+ if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
+ 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,
+ 0, /* flush_flags */
+ read_only,
+ TRUE, /* cpu_access */
+ do_not_block)) {
+ /*
+ * It would have blocked, but state tracker requested no to.
+ */
+ assert(do_not_block);
+ return NULL;
+ }
+ }
+
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, sr.level);
+ const unsigned nblocksy = util_format_get_nblocksy(format, hgt);
+
pipe_resource_reference(&pt->resource, resource);
pt->sr = sr;
pt->usage = usage;
pt->box = *box;
- pt->stride = sptex->stride[sr.level];
+ pt->stride = spr->stride[sr.level];
+ pt->slice_stride = pt->stride * nblocksy;
- spt->offset = sptex->level_offset[sr.level];
-
- if (resource->target == PIPE_TEXTURE_CUBE) {
- spt->offset += sr.face * nblocksy * pt->stride;
- }
- else if (resource->target == PIPE_TEXTURE_3D) {
- spt->offset += box->z * nblocksy * pt->stride;
- }
- else {
- assert(sr.face == 0);
- assert(box->z == 0);
- }
-
+ spt->offset = sp_get_tex_image_offset(spr, sr.level, sr.face, 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);
*/
static void
softpipe_transfer_destroy(struct pipe_context *pipe,
- struct pipe_transfer *transfer)
+ struct pipe_transfer *transfer)
{
pipe_resource_reference(&transfer->resource, NULL);
FREE(transfer);
* Create memory mapping for given pipe_transfer object.
*/
static void *
-softpipe_transfer_map( struct pipe_context *pipe,
- struct pipe_transfer *transfer )
+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;
}
softpipe_transfer_unmap(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
- struct softpipe_resource *spt;
+ struct softpipe_resource *spr;
assert(transfer->resource);
- spt = softpipe_resource(transfer->resource);
+ spr = softpipe_resource(transfer->resource);
- if (spt->dt) {
+ if (spr->dt) {
/* display target */
struct sw_winsys *winsys = softpipe_screen(pipe->screen)->winsys;
- winsys->displaytarget_unmap(winsys, spt->dt);
+ winsys->displaytarget_unmap(winsys, spr->dt);
}
if (transfer->usage & PIPE_TRANSFER_WRITE) {
/* Mark the texture as dirty to expire the tile caches. */
- spt->timestamp++;
+ spr->timestamp++;
}
}
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->userBuffer = TRUE;
+ spr->data = ptr;
+
+ return &spr->base;
}
-
-
-
void
softpipe_init_texture_funcs(struct pipe_context *pipe)
{
pipe->transfer_inline_write = u_default_transfer_inline_write;
}
+
void
softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
{
screen->get_tex_surface = softpipe_get_tex_surface;
screen->tex_surface_destroy = softpipe_tex_surface_destroy;
}
-
-
-
projects / mesa.git / blobdiff