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path: root/src/gallium/drivers/softpipe/sp_texture.c
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Diffstat (limited to 'src/gallium/drivers/softpipe/sp_texture.c')
-rw-r--r--src/gallium/drivers/softpipe/sp_texture.c476
1 files changed, 259 insertions, 217 deletions
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index d80a71aca50..7aa85559b23 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -36,11 +36,14 @@
#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_memory.h"
+#include "util/u_transfer.h"
#include "sp_context.h"
+#include "sp_flush.h"
#include "sp_texture.h"
#include "sp_screen.h"
-#include "sp_winsys.h"
+
+#include "state_tracker/sw_winsys.h"
/**
@@ -48,10 +51,10 @@
* Use a simple, maximally packed layout.
*/
static boolean
-softpipe_texture_layout(struct pipe_screen *screen,
- struct softpipe_texture * spt)
+softpipe_resource_layout(struct pipe_screen *screen,
+ struct softpipe_resource *spr)
{
- struct pipe_texture *pt = &spt->base;
+ struct pipe_resource *pt = &spr->base;
unsigned level;
unsigned width = pt->width0;
unsigned height = pt->height0;
@@ -59,24 +62,22 @@ softpipe_texture_layout(struct pipe_screen *screen,
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->buffer = screen->buffer_create(screen, 32,
- PIPE_BUFFER_USAGE_PIXEL,
- buffer_size);
+ spr->data = align_malloc(buffer_size, 16);
- return spt->buffer != NULL;
+ return spr->data != NULL;
}
@@ -85,115 +86,173 @@ softpipe_texture_layout(struct pipe_screen *screen,
*/
static boolean
softpipe_displaytarget_layout(struct pipe_screen *screen,
- struct softpipe_texture * spt)
+ struct softpipe_resource *spr)
{
- unsigned usage = (PIPE_BUFFER_USAGE_CPU_READ_WRITE |
- PIPE_BUFFER_USAGE_GPU_READ_WRITE);
- unsigned tex_usage = spt->base.tex_usage;
-
- spt->buffer = screen->surface_buffer_create( screen,
- spt->base.width0,
- spt->base.height0,
- spt->base.format,
- usage,
- tex_usage,
- &spt->stride[0]);
-
- return spt->buffer != NULL;
+ struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
+
+ /* Round up the surface size to a multiple of the tile size?
+ */
+ spr->dt = winsys->displaytarget_create(winsys,
+ spr->base.bind,
+ spr->base.format,
+ spr->base.width0,
+ spr->base.height0,
+ 16,
+ &spr->stride[0] );
+
+ return spr->dt != NULL;
}
/**
- * Create new pipe_texture given the template information.
+ * Create new pipe_resource given the template information.
*/
-static struct pipe_texture *
-softpipe_texture_create(struct pipe_screen *screen,
- const struct pipe_texture *template)
+static struct pipe_resource *
+softpipe_resource_create(struct pipe_screen *screen,
+ const struct pipe_resource *templat)
{
- struct softpipe_texture *spt = CALLOC_STRUCT(softpipe_texture);
- 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;
+ assert(templat->format != PIPE_FORMAT_NONE);
- spt->pot = (util_is_power_of_two(template->width0) &&
- util_is_power_of_two(template->height0) &&
- util_is_power_of_two(template->depth0));
+ spr->base = *templat;
+ pipe_reference_init(&spr->base.reference, 1);
+ spr->base.screen = screen;
- if (spt->base.tex_usage & (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
- PIPE_TEXTURE_USAGE_PRIMARY)) {
- if (!softpipe_displaytarget_layout(screen, spt))
+ spr->pot = (util_is_power_of_two(templat->width0) &&
+ util_is_power_of_two(templat->height0) &&
+ util_is_power_of_two(templat->depth0));
+
+ if (spr->base.bind & (PIPE_BIND_DISPLAY_TARGET |
+ PIPE_BIND_SCANOUT |
+ PIPE_BIND_SHARED)) {
+ if (!softpipe_displaytarget_layout(screen, spr))
goto fail;
}
else {
- if (!softpipe_texture_layout(screen, spt))
+ if (!softpipe_resource_layout(screen, spr))
goto fail;
}
- return &spt->base;
+ return &spr->base;
fail:
- FREE(spt);
+ FREE(spr);
return NULL;
}
-/**
- * Create a new pipe_texture which wraps an existing buffer.
- */
-static struct pipe_texture *
-softpipe_texture_blanket(struct pipe_screen * screen,
- const struct pipe_texture *base,
- const unsigned *stride,
- struct pipe_buffer *buffer)
+static void
+softpipe_resource_destroy(struct pipe_screen *pscreen,
+ struct pipe_resource *pt)
{
- struct softpipe_texture *spt;
- assert(screen);
+ struct softpipe_screen *screen = softpipe_screen(pscreen);
+ struct softpipe_resource *spr = softpipe_resource(pt);
- /* Only supports one type */
- if (base->target != PIPE_TEXTURE_2D ||
- base->last_level != 0 ||
- base->depth0 != 1) {
- return NULL;
+ if (spr->dt) {
+ /* display target */
+ struct sw_winsys *winsys = screen->winsys;
+ winsys->displaytarget_destroy(winsys, spr->dt);
+ }
+ else if (!spr->userBuffer) {
+ /* regular texture */
+ align_free(spr->data);
}
- spt = CALLOC_STRUCT(softpipe_texture);
- if (!spt)
+ FREE(spr);
+}
+
+
+static struct pipe_resource *
+softpipe_resource_from_handle(struct pipe_screen *screen,
+ const struct pipe_resource *templat,
+ struct winsys_handle *whandle)
+{
+ struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
+ struct softpipe_resource *spr = CALLOC_STRUCT(softpipe_resource);
+ if (!spr)
return NULL;
- spt->base = *base;
- pipe_reference_init(&spt->base.reference, 1);
- spt->base.screen = screen;
- spt->stride[0] = stride[0];
+ spr->base = *templat;
+ pipe_reference_init(&spr->base.reference, 1);
+ spr->base.screen = screen;
+
+ spr->pot = (util_is_power_of_two(templat->width0) &&
+ util_is_power_of_two(templat->height0) &&
+ util_is_power_of_two(templat->depth0));
- pipe_buffer_reference(&spt->buffer, buffer);
+ spr->dt = winsys->displaytarget_from_handle(winsys,
+ templat,
+ whandle,
+ &spr->stride[0]);
+ if (!spr->dt)
+ goto fail;
- return &spt->base;
+ return &spr->base;
+
+ fail:
+ FREE(spr);
+ return NULL;
}
-static void
-softpipe_texture_destroy(struct pipe_texture *pt)
+static boolean
+softpipe_resource_get_handle(struct pipe_screen *screen,
+ struct pipe_resource *pt,
+ struct winsys_handle *whandle)
{
- struct softpipe_texture *spt = softpipe_texture(pt);
+ struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
+ struct softpipe_resource *spr = softpipe_resource(pt);
+
+ assert(spr->dt);
+ if (!spr->dt)
+ return FALSE;
- pipe_buffer_reference(&spt->buffer, NULL);
- FREE(spt);
+ return winsys->displaytarget_get_handle(winsys, spr->dt, whandle);
}
/**
- * Get a pipe_surface "view" into a texture.
+ * 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 resource.
*/
static struct pipe_surface *
softpipe_get_tex_surface(struct pipe_screen *screen,
- struct pipe_texture *pt,
+ struct pipe_resource *pt,
unsigned face, unsigned level, unsigned zslice,
unsigned usage)
{
- struct softpipe_texture *spt = softpipe_texture(pt);
+ struct softpipe_resource *spr = softpipe_resource(pt);
struct pipe_surface *ps;
assert(level <= pt->last_level);
@@ -201,49 +260,16 @@ softpipe_get_tex_surface(struct pipe_screen *screen,
ps = CALLOC_STRUCT(pipe_surface);
if (ps) {
pipe_reference_init(&ps->reference, 1);
- pipe_texture_reference(&ps->texture, pt);
+ pipe_resource_reference(&ps->texture, pt);
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;
- /* Because we are softpipe, anything that the state tracker
- * thought was going to be done with the GPU will actually get
- * done with the CPU. Let's adjust the flags to take that into
- * account.
- */
- if (ps->usage & PIPE_BUFFER_USAGE_GPU_WRITE) {
- /* GPU_WRITE means "render" and that can involve reads (blending) */
- ps->usage |= PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_CPU_READ;
- }
-
- if (ps->usage & PIPE_BUFFER_USAGE_GPU_READ)
- ps->usage |= PIPE_BUFFER_USAGE_CPU_READ;
-
- if (ps->usage & (PIPE_BUFFER_USAGE_CPU_WRITE |
- PIPE_BUFFER_USAGE_GPU_WRITE)) {
- /* Mark the surface as dirty. The tile cache will look for this. */
- spt->timestamp++;
- softpipe_screen(screen)->timestamp++;
- }
-
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;
}
@@ -260,67 +286,75 @@ softpipe_tex_surface_destroy(struct pipe_surface *surf)
* where it would happen. For softpipe, nothing to do.
*/
assert(surf->texture);
- pipe_texture_reference(&surf->texture, NULL);
+ pipe_resource_reference(&surf->texture, NULL);
FREE(surf);
}
/**
* 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_tex_transfer(struct pipe_screen *screen,
- struct pipe_texture *texture,
- unsigned face, unsigned level, unsigned zslice,
- enum pipe_transfer_usage usage,
- unsigned x, unsigned y, unsigned w, unsigned h)
+softpipe_get_transfer(struct pipe_context *pipe,
+ struct pipe_resource *resource,
+ struct pipe_subresource sr,
+ unsigned usage,
+ const struct pipe_box *box)
{
- struct softpipe_texture *sptex = softpipe_texture(texture);
+ struct softpipe_resource *spr = softpipe_resource(resource);
struct softpipe_transfer *spt;
- assert(texture);
- assert(level <= texture->last_level);
+ assert(resource);
+ assert(sr.level <= resource->last_level);
/* make sure the requested region is in the image bounds */
- assert(x + w <= u_minify(texture->width0, level));
- assert(y + h <= u_minify(texture->height0, level));
+ 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));
+
+ /*
+ * 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;
- int nblocksy = util_format_get_nblocksy(texture->format, u_minify(texture->height0, level));
- pipe_texture_reference(&pt->texture, texture);
- pt->x = x;
- pt->y = y;
- pt->width = w;
- pt->height = h;
- pt->stride = sptex->stride[level];
+ enum pipe_format format = resource->format;
+ pipe_resource_reference(&pt->resource, resource);
+ pt->sr = sr;
pt->usage = usage;
- pt->face = face;
- pt->level = level;
- pt->zslice = zslice;
+ pt->box = *box;
+ pt->stride = spr->stride[sr.level];
- spt->offset = sptex->level_offset[level];
+ 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);
- if (texture->target == PIPE_TEXTURE_CUBE) {
- spt->offset += face * nblocksy * pt->stride;
- }
- else if (texture->target == PIPE_TEXTURE_3D) {
- spt->offset += zslice * nblocksy * pt->stride;
- }
- else {
- assert(face == 0);
- assert(zslice == 0);
- }
return pt;
}
return NULL;
@@ -329,17 +363,13 @@ softpipe_get_tex_transfer(struct pipe_screen *screen,
/**
* Free a pipe_transfer object which was created with
- * softpipe_get_tex_transfer().
+ * softpipe_get_transfer().
*/
static void
-softpipe_tex_transfer_destroy(struct pipe_transfer *transfer)
+softpipe_transfer_destroy(struct pipe_context *pipe,
+ struct pipe_transfer *transfer)
{
- /* Effectively do the texture_update work here - if texture images
- * needed post-processing to put them into hardware layout, this is
- * where it would happen. For softpipe, nothing to do.
- */
- assert (transfer->texture);
- pipe_texture_reference(&transfer->texture, NULL);
+ pipe_resource_reference(&transfer->resource, NULL);
FREE(transfer);
}
@@ -348,36 +378,27 @@ softpipe_tex_transfer_destroy(struct pipe_transfer *transfer)
* Create memory mapping for given pipe_transfer object.
*/
static void *
-softpipe_transfer_map( struct pipe_screen *screen,
- struct pipe_transfer *transfer )
+softpipe_transfer_map(struct pipe_context *pipe,
+ struct pipe_transfer *transfer)
{
- ubyte *map, *xfer_map;
- struct softpipe_texture *spt;
- enum pipe_format format;
-
- assert(transfer->texture);
- spt = softpipe_texture(transfer->texture);
- format = transfer->texture->format;
-
- map = pipe_buffer_map(screen, spt->buffer, pipe_transfer_buffer_flags(transfer));
- if (map == NULL)
- return NULL;
-
- /* May want to different things here depending on read/write nature
- * of the map:
+ 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 (transfer->texture && (transfer->usage & PIPE_TRANSFER_WRITE)) {
- /* Do something to notify sharing contexts of a texture change.
- * In softpipe, that would mean flushing the texture cache.
- */
- softpipe_screen(screen)->timestamp++;
+ if (spr->dt) {
+ map = winsys->displaytarget_map(winsys, spr->dt, transfer->usage);
+ }
+ else {
+ map = spr->data;
}
- xfer_map = map + softpipe_transfer(transfer)->offset +
- transfer->y / util_format_get_blockheight(format) * transfer->stride +
- transfer->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
- /*printf("map = %p xfer map = %p\n", map, xfer_map);*/
- return xfer_map;
+ if (map == NULL)
+ return NULL;
+ else
+ return map + spt->offset;
}
@@ -385,58 +406,79 @@ softpipe_transfer_map( struct pipe_screen *screen,
* Unmap memory mapping for given pipe_transfer object.
*/
static void
-softpipe_transfer_unmap(struct pipe_screen *screen,
+softpipe_transfer_unmap(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
- struct softpipe_texture *spt;
+ struct softpipe_resource *spr;
- assert(transfer->texture);
- spt = softpipe_texture(transfer->texture);
+ assert(transfer->resource);
+ spr = softpipe_resource(transfer->resource);
- pipe_buffer_unmap( screen, spt->buffer );
+ if (spr->dt) {
+ /* display target */
+ struct sw_winsys *winsys = softpipe_screen(pipe->screen)->winsys;
+ 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++;
}
}
-
-void
-softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
+/**
+ * Create buffer which wraps user-space data.
+ */
+static struct pipe_resource *
+softpipe_user_buffer_create(struct pipe_screen *screen,
+ void *ptr,
+ unsigned bytes,
+ unsigned bind_flags)
{
- screen->texture_create = softpipe_texture_create;
- screen->texture_blanket = softpipe_texture_blanket;
- screen->texture_destroy = softpipe_texture_destroy;
+ struct softpipe_resource *spr;
- screen->get_tex_surface = softpipe_get_tex_surface;
- screen->tex_surface_destroy = softpipe_tex_surface_destroy;
+ spr = CALLOC_STRUCT(softpipe_resource);
+ if (!spr)
+ return NULL;
- screen->get_tex_transfer = softpipe_get_tex_transfer;
- screen->tex_transfer_destroy = softpipe_tex_transfer_destroy;
- screen->transfer_map = softpipe_transfer_map;
- screen->transfer_unmap = softpipe_transfer_unmap;
+ 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;
}
-/**
- * Return pipe_buffer handle and stride for given texture object.
- * XXX used for???
- */
-boolean
-softpipe_get_texture_buffer( struct pipe_texture *texture,
- struct pipe_buffer **buf,
- unsigned *stride )
+void
+softpipe_init_texture_funcs(struct pipe_context *pipe)
{
- struct softpipe_texture *tex = (struct softpipe_texture *) texture;
+ pipe->get_transfer = softpipe_get_transfer;
+ pipe->transfer_destroy = softpipe_transfer_destroy;
+ pipe->transfer_map = softpipe_transfer_map;
+ pipe->transfer_unmap = softpipe_transfer_unmap;
- if (!tex)
- return FALSE;
+ pipe->transfer_flush_region = u_default_transfer_flush_region;
+ pipe->transfer_inline_write = u_default_transfer_inline_write;
+}
- pipe_buffer_reference(buf, tex->buffer);
- if (stride)
- *stride = tex->stride[0];
+void
+softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
+{
+ screen->resource_create = softpipe_resource_create;
+ screen->resource_destroy = softpipe_resource_destroy;
+ screen->resource_from_handle = softpipe_resource_from_handle;
+ screen->resource_get_handle = softpipe_resource_get_handle;
+ screen->user_buffer_create = softpipe_user_buffer_create;
- return TRUE;
+ screen->get_tex_surface = softpipe_get_tex_surface;
+ screen->tex_surface_destroy = softpipe_tex_surface_destroy;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 08:59:58 +0000