/**************************************************************************
*
- * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2006 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**************************************************************************/
/*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Michel Dänzer <michel@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
+ * Michel Dänzer <daenzer@vmware.com>
*/
#include <stdio.h>
#include "util/u_inlines.h"
#include "util/u_cpu_detect.h"
-#include "util/u_format.h"
+#include "util/format/u_format.h"
#include "util/u_math.h"
#include "util/u_memory.h"
-#include "util/u_simple_list.h"
+#include "util/simple_list.h"
#include "util/u_transfer.h"
#include "lp_context.h"
#include "lp_flush.h"
#include "lp_screen.h"
-#include "lp_tile_image.h"
#include "lp_texture.h"
#include "lp_setup.h"
#include "lp_state.h"
+#include "lp_rast.h"
#include "state_tracker/sw_winsys.h"
static unsigned id_counter = 0;
-static INLINE boolean
-resource_is_texture(const struct pipe_resource *resource)
-{
- switch (resource->target) {
- case PIPE_BUFFER:
- return FALSE;
- case PIPE_TEXTURE_1D:
- case PIPE_TEXTURE_2D:
- case PIPE_TEXTURE_RECT:
- case PIPE_TEXTURE_3D:
- case PIPE_TEXTURE_CUBE:
- return TRUE;
- default:
- assert(0);
- return FALSE;
- }
-}
-
-
-
-/**
- * Allocate storage for llvmpipe_texture::layout array.
- * The number of elements is width_in_tiles * height_in_tiles.
- */
-static enum lp_texture_layout *
-alloc_layout_array(unsigned num_slices, unsigned width, unsigned height)
-{
- const unsigned tx = align(width, TILE_SIZE) / TILE_SIZE;
- const unsigned ty = align(height, TILE_SIZE) / TILE_SIZE;
-
- assert(num_slices * tx * ty > 0);
- assert(LP_TEX_LAYOUT_NONE == 0); /* calloc'ing LP_TEX_LAYOUT_NONE here */
-
- return (enum lp_texture_layout *)
- CALLOC(num_slices * tx * ty, sizeof(enum lp_texture_layout));
-}
-
-
-
/**
* Conventional allocation path for non-display textures:
- * Just compute row strides here. Storage is allocated on demand later.
+ * Compute strides and allocate data (unless asked not to).
*/
static boolean
llvmpipe_texture_layout(struct llvmpipe_screen *screen,
- struct llvmpipe_resource *lpr)
+ struct llvmpipe_resource *lpr,
+ boolean allocate)
{
struct pipe_resource *pt = &lpr->base;
unsigned level;
unsigned width = pt->width0;
unsigned height = pt->height0;
unsigned depth = pt->depth0;
+ uint64_t total_size = 0;
+ unsigned layers = pt->array_size;
+ /* XXX:
+ * This alignment here (same for displaytarget) was added for the purpose of
+ * ARB_map_buffer_alignment. I am not convinced it's needed for non-buffer
+ * resources. Otherwise we'd want the max of cacheline size and 16 (max size
+ * of a block for all formats) though this should not be strictly necessary
+ * neither. In any case it can only affect compressed or 1d textures.
+ */
+ unsigned mip_align = MAX2(64, util_cpu_caps.cacheline);
assert(LP_MAX_TEXTURE_2D_LEVELS <= LP_MAX_TEXTURE_LEVELS);
assert(LP_MAX_TEXTURE_3D_LEVELS <= LP_MAX_TEXTURE_LEVELS);
for (level = 0; level <= pt->last_level; level++) {
-
- /* Row stride and image stride (for linear layout) */
- {
- unsigned alignment, nblocksx, nblocksy, block_size;
-
- /* For non-compressed formats we need to align the texture size
- * to the tile size to facilitate render-to-texture.
- */
- if (util_format_is_compressed(pt->format))
- alignment = 1;
+ uint64_t mipsize;
+ unsigned align_x, align_y, nblocksx, nblocksy, block_size, num_slices;
+
+ /* Row stride and image stride */
+
+ /* For non-compressed formats we need 4x4 pixel alignment
+ * so we can read/write LP_RASTER_BLOCK_SIZE when rendering to them.
+ * We also want cache line size in x direction,
+ * otherwise same cache line could end up in multiple threads.
+ * For explicit 1d resources however we reduce this to 4x1 and
+ * handle specially in render output code (as we need to do special
+ * handling there for buffers in any case).
+ */
+ if (util_format_is_compressed(pt->format))
+ align_x = align_y = 1;
+ else {
+ align_x = LP_RASTER_BLOCK_SIZE;
+ if (llvmpipe_resource_is_1d(&lpr->base))
+ align_y = 1;
else
- alignment = TILE_SIZE;
+ align_y = LP_RASTER_BLOCK_SIZE;
+ }
- nblocksx = util_format_get_nblocksx(pt->format,
- align(width, alignment));
- nblocksy = util_format_get_nblocksy(pt->format,
- align(height, alignment));
- block_size = util_format_get_blocksize(pt->format);
+ nblocksx = util_format_get_nblocksx(pt->format,
+ align(width, align_x));
+ nblocksy = util_format_get_nblocksy(pt->format,
+ align(height, align_y));
+ block_size = util_format_get_blocksize(pt->format);
- lpr->row_stride[level] = align(nblocksx * block_size, 16);
+ if (util_format_is_compressed(pt->format))
+ lpr->row_stride[level] = nblocksx * block_size;
+ else
+ lpr->row_stride[level] = align(nblocksx * block_size, util_cpu_caps.cacheline);
- lpr->img_stride[level] = lpr->row_stride[level] * nblocksy;
+ /* if row_stride * height > LP_MAX_TEXTURE_SIZE */
+ if ((uint64_t)lpr->row_stride[level] * nblocksy > LP_MAX_TEXTURE_SIZE) {
+ /* image too large */
+ goto fail;
}
- /* Size of the image in tiles (for tiled layout) */
- {
- const unsigned width_t = align(width, TILE_SIZE) / TILE_SIZE;
- const unsigned height_t = align(height, TILE_SIZE) / TILE_SIZE;
- lpr->tiles_per_row[level] = width_t;
- lpr->tiles_per_image[level] = width_t * height_t;
- }
+ lpr->img_stride[level] = lpr->row_stride[level] * nblocksy;
- /* Number of 3D image slices or cube faces */
- {
- unsigned num_slices;
+ /* Number of 3D image slices, cube faces or texture array layers */
+ if (lpr->base.target == PIPE_TEXTURE_CUBE) {
+ assert(layers == 6);
+ }
- if (lpr->base.target == PIPE_TEXTURE_CUBE)
- num_slices = 6;
- else if (lpr->base.target == PIPE_TEXTURE_3D)
- num_slices = depth;
- else
- num_slices = 1;
+ if (lpr->base.target == PIPE_TEXTURE_3D)
+ num_slices = depth;
+ else if (lpr->base.target == PIPE_TEXTURE_1D_ARRAY ||
+ lpr->base.target == PIPE_TEXTURE_2D_ARRAY ||
+ lpr->base.target == PIPE_TEXTURE_CUBE ||
+ lpr->base.target == PIPE_TEXTURE_CUBE_ARRAY)
+ num_slices = layers;
+ else
+ num_slices = 1;
+
+ /* if img_stride * num_slices_faces > LP_MAX_TEXTURE_SIZE */
+ mipsize = (uint64_t)lpr->img_stride[level] * num_slices;
+ if (mipsize > LP_MAX_TEXTURE_SIZE) {
+ /* volume too large */
+ goto fail;
+ }
- lpr->num_slices_faces[level] = num_slices;
+ lpr->mip_offsets[level] = total_size;
- lpr->layout[level] = alloc_layout_array(num_slices, width, height);
- if (!lpr->layout[level]) {
- goto fail;
- }
+ total_size += align((unsigned)mipsize, mip_align);
+ if (total_size > LP_MAX_TEXTURE_SIZE) {
+ goto fail;
}
/* Compute size of next mipmap level */
depth = u_minify(depth, 1);
}
- return TRUE;
-
-fail:
- for (level = 0; level <= pt->last_level; level++) {
- if (lpr->layout[level]) {
- FREE(lpr->layout[level]);
+ if (allocate) {
+ lpr->tex_data = align_malloc(total_size, mip_align);
+ if (!lpr->tex_data) {
+ return FALSE;
+ }
+ else {
+ memset(lpr->tex_data, 0, total_size);
}
}
+ return TRUE;
+
+fail:
return FALSE;
}
+/**
+ * Check the size of the texture specified by 'res'.
+ * \return TRUE if OK, FALSE if too large.
+ */
+static bool
+llvmpipe_can_create_resource(struct pipe_screen *screen,
+ const struct pipe_resource *res)
+{
+ struct llvmpipe_resource lpr;
+ memset(&lpr, 0, sizeof(lpr));
+ lpr.base = *res;
+ return llvmpipe_texture_layout(llvmpipe_screen(screen), &lpr, false);
+}
+
static boolean
llvmpipe_displaytarget_layout(struct llvmpipe_screen *screen,
- struct llvmpipe_resource *lpr)
+ struct llvmpipe_resource *lpr,
+ const void *map_front_private)
{
struct sw_winsys *winsys = screen->winsys;
/* Round up the surface size to a multiple of the tile size to
* avoid tile clipping.
*/
- const unsigned width = align(lpr->base.width0, TILE_SIZE);
- const unsigned height = align(lpr->base.height0, TILE_SIZE);
- const unsigned width_t = width / TILE_SIZE;
- const unsigned height_t = height / TILE_SIZE;
-
- lpr->tiles_per_row[0] = width_t;
- lpr->tiles_per_image[0] = width_t * height_t;
- lpr->num_slices_faces[0] = 1;
- lpr->img_stride[0] = 0;
-
- lpr->layout[0] = alloc_layout_array(1, width, height);
- if (!lpr->layout[0]) {
- return FALSE;
- }
+ const unsigned width = MAX2(1, align(lpr->base.width0, TILE_SIZE));
+ const unsigned height = MAX2(1, align(lpr->base.height0, TILE_SIZE));
lpr->dt = winsys->displaytarget_create(winsys,
lpr->base.bind,
lpr->base.format,
width, height,
- 16,
+ 64,
+ map_front_private,
&lpr->row_stride[0] );
if (lpr->dt == NULL)
return FALSE;
- {
+ if (!map_front_private) {
void *map = winsys->displaytarget_map(winsys, lpr->dt,
PIPE_TRANSFER_WRITE);
static struct pipe_resource *
-llvmpipe_resource_create(struct pipe_screen *_screen,
- const struct pipe_resource *templat)
+llvmpipe_resource_create_front(struct pipe_screen *_screen,
+ const struct pipe_resource *templat,
+ const void *map_front_private)
{
struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
struct llvmpipe_resource *lpr = CALLOC_STRUCT(llvmpipe_resource);
/* assert(lpr->base.bind); */
- if (resource_is_texture(&lpr->base)) {
- if (lpr->base.bind & PIPE_BIND_DISPLAY_TARGET) {
+ if (llvmpipe_resource_is_texture(&lpr->base)) {
+ if (lpr->base.bind & (PIPE_BIND_DISPLAY_TARGET |
+ PIPE_BIND_SCANOUT |
+ PIPE_BIND_SHARED)) {
/* displayable surface */
- if (!llvmpipe_displaytarget_layout(screen, lpr))
+ if (!llvmpipe_displaytarget_layout(screen, lpr, map_front_private))
goto fail;
- assert(lpr->layout[0][0] == LP_TEX_LAYOUT_NONE);
}
else {
/* texture map */
- if (!llvmpipe_texture_layout(screen, lpr))
+ if (!llvmpipe_texture_layout(screen, lpr, true))
goto fail;
- assert(lpr->layout[0][0] == LP_TEX_LAYOUT_NONE);
}
- assert(lpr->layout[0]);
}
else {
/* other data (vertex buffer, const buffer, etc) */
- const enum pipe_format format = templat->format;
- const uint w = templat->width0 / util_format_get_blockheight(format);
- /* XXX buffers should only have one dimension, those values should be 1 */
- const uint h = templat->height0 / util_format_get_blockwidth(format);
- const uint d = templat->depth0;
- const uint bpp = util_format_get_blocksize(format);
- const uint bytes = w * h * d * bpp;
- lpr->data = align_malloc(bytes, 16);
+ const uint bytes = templat->width0;
+ assert(util_format_get_blocksize(templat->format) == 1);
+ assert(templat->height0 == 1);
+ assert(templat->depth0 == 1);
+ assert(templat->last_level == 0);
+ /*
+ * Reserve some extra storage since if we'd render to a buffer we
+ * read/write always LP_RASTER_BLOCK_SIZE pixels, but the element
+ * offset doesn't need to be aligned to LP_RASTER_BLOCK_SIZE.
+ */
+ lpr->data = align_malloc(bytes + (LP_RASTER_BLOCK_SIZE - 1) * 4 * sizeof(float), 64);
+
+ /*
+ * buffers don't really have stride but it's probably safer
+ * (for code doing same calculations for buffers and textures)
+ * to put something sane in there.
+ */
+ lpr->row_stride[0] = bytes;
if (!lpr->data)
goto fail;
memset(lpr->data, 0, bytes);
}
+static struct pipe_resource *
+llvmpipe_resource_create(struct pipe_screen *_screen,
+ const struct pipe_resource *templat)
+{
+ return llvmpipe_resource_create_front(_screen, templat, NULL);
+}
+
+
static void
llvmpipe_resource_destroy(struct pipe_screen *pscreen,
- struct pipe_resource *pt)
+ struct pipe_resource *pt)
{
struct llvmpipe_screen *screen = llvmpipe_screen(pscreen);
struct llvmpipe_resource *lpr = llvmpipe_resource(pt);
/* display target */
struct sw_winsys *winsys = screen->winsys;
winsys->displaytarget_destroy(winsys, lpr->dt);
-
- if (lpr->tiled[0].data) {
- align_free(lpr->tiled[0].data);
- lpr->tiled[0].data = NULL;
- }
-
- FREE(lpr->layout[0]);
}
- else if (resource_is_texture(pt)) {
- /* regular texture */
- uint level;
-
+ else if (llvmpipe_resource_is_texture(pt)) {
/* free linear image data */
- for (level = 0; level < Elements(lpr->linear); level++) {
- if (lpr->linear[level].data) {
- align_free(lpr->linear[level].data);
- lpr->linear[level].data = NULL;
- }
- }
-
- /* free tiled image data */
- for (level = 0; level < Elements(lpr->tiled); level++) {
- if (lpr->tiled[level].data) {
- align_free(lpr->tiled[level].data);
- lpr->tiled[level].data = NULL;
- }
- }
-
- /* free layout flag arrays */
- for (level = 0; level < Elements(lpr->tiled); level++) {
- FREE(lpr->layout[level]);
- lpr->layout[level] = NULL;
+ if (lpr->tex_data) {
+ align_free(lpr->tex_data);
+ lpr->tex_data = NULL;
}
}
else if (!lpr->userBuffer) {
llvmpipe_resource_map(struct pipe_resource *resource,
unsigned level,
unsigned layer,
- enum lp_texture_usage tex_usage,
- enum lp_texture_layout layout)
+ enum lp_texture_usage tex_usage)
{
struct llvmpipe_resource *lpr = llvmpipe_resource(resource);
uint8_t *map;
tex_usage == LP_TEX_USAGE_READ_WRITE ||
tex_usage == LP_TEX_USAGE_WRITE_ALL);
- assert(layout == LP_TEX_LAYOUT_NONE ||
- layout == LP_TEX_LAYOUT_TILED ||
- layout == LP_TEX_LAYOUT_LINEAR);
-
if (lpr->dt) {
/* display target */
struct llvmpipe_screen *screen = llvmpipe_screen(resource->screen);
struct sw_winsys *winsys = screen->winsys;
unsigned dt_usage;
- uint8_t *map2;
if (tex_usage == LP_TEX_USAGE_READ) {
dt_usage = PIPE_TRANSFER_READ;
map = winsys->displaytarget_map(winsys, lpr->dt, dt_usage);
/* install this linear image in texture data structure */
- lpr->linear[level].data = map;
-
- /* make sure tiled data gets converted to linear data */
- map2 = llvmpipe_get_texture_image(lpr, 0, 0, tex_usage, layout);
- if (layout == LP_TEX_LAYOUT_LINEAR)
- assert(map == map2);
+ lpr->tex_data = map;
- return map2;
+ return map;
}
- else if (resource_is_texture(resource)) {
+ else if (llvmpipe_resource_is_texture(resource)) {
- map = llvmpipe_get_texture_image(lpr, layer, level,
- tex_usage, layout);
+ map = llvmpipe_get_texture_image_address(lpr, layer, level);
return map;
}
else {
assert(level == 0);
assert(layer == 0);
- /* make sure linear image is up to date */
- (void) llvmpipe_get_texture_image(lpr, layer, level,
- LP_TEX_USAGE_READ,
- LP_TEX_LAYOUT_LINEAR);
-
winsys->displaytarget_unmap(winsys, lpr->dt);
}
}
{
struct llvmpipe_resource *lpr = llvmpipe_resource(resource);
- assert(!resource_is_texture(resource));
+ assert(!llvmpipe_resource_is_texture(resource));
return lpr->data;
}
static struct pipe_resource *
llvmpipe_resource_from_handle(struct pipe_screen *screen,
- const struct pipe_resource *template,
- struct winsys_handle *whandle)
+ const struct pipe_resource *template,
+ struct winsys_handle *whandle,
+ unsigned usage)
{
struct sw_winsys *winsys = llvmpipe_screen(screen)->winsys;
struct llvmpipe_resource *lpr;
- unsigned width, height, width_t, height_t;
/* XXX Seems like from_handled depth textures doesn't work that well */
pipe_reference_init(&lpr->base.reference, 1);
lpr->base.screen = screen;
- width = align(lpr->base.width0, TILE_SIZE);
- height = align(lpr->base.height0, TILE_SIZE);
- width_t = width / TILE_SIZE;
- height_t = height / TILE_SIZE;
-
/*
* Looks like unaligned displaytargets work just fine,
* at least sampler/render ones.
assert(lpr->base.height0 == height);
#endif
- lpr->tiles_per_row[0] = width_t;
- lpr->tiles_per_image[0] = width_t * height_t;
- lpr->num_slices_faces[0] = 1;
- lpr->img_stride[0] = 0;
-
lpr->dt = winsys->displaytarget_from_handle(winsys,
template,
whandle,
goto no_dt;
}
- lpr->layout[0] = alloc_layout_array(1, lpr->base.width0, lpr->base.height0);
- if (!lpr->layout[0]) {
- goto no_layout_0;
- }
-
- assert(lpr->layout[0][0] == LP_TEX_LAYOUT_NONE);
-
lpr->id = id_counter++;
#ifdef DEBUG
return &lpr->base;
-no_layout_0:
- winsys->displaytarget_destroy(winsys, lpr->dt);
no_dt:
FREE(lpr);
no_lpr:
}
-static boolean
+static bool
llvmpipe_resource_get_handle(struct pipe_screen *screen,
+ struct pipe_context *ctx,
struct pipe_resource *pt,
- struct winsys_handle *whandle)
+ struct winsys_handle *whandle,
+ unsigned usage)
{
struct sw_winsys *winsys = llvmpipe_screen(screen)->winsys;
struct llvmpipe_resource *lpr = llvmpipe_resource(pt);
assert(lpr->dt);
if (!lpr->dt)
- return FALSE;
+ return false;
return winsys->displaytarget_get_handle(winsys, lpr->dt, whandle);
}
-static struct pipe_surface *
-llvmpipe_create_surface(struct pipe_context *pipe,
- struct pipe_resource *pt,
- const struct pipe_surface *surf_tmpl)
-{
- struct pipe_surface *ps;
-
- assert(surf_tmpl->u.tex.level <= pt->last_level);
-
- ps = CALLOC_STRUCT(pipe_surface);
- if (ps) {
- pipe_reference_init(&ps->reference, 1);
- pipe_resource_reference(&ps->texture, pt);
- ps->context = pipe;
- ps->format = surf_tmpl->format;
- ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level);
- ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level);
- ps->usage = surf_tmpl->usage;
-
- ps->u.tex.level = surf_tmpl->u.tex.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;
-}
-
-
-static void
-llvmpipe_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
- * where it would happen. For llvmpipe, nothing to do.
- */
- assert(surf->texture);
- pipe_resource_reference(&surf->texture, NULL);
- FREE(surf);
-}
-
-
-static struct pipe_transfer *
-llvmpipe_get_transfer(struct pipe_context *pipe,
- struct pipe_resource *resource,
- unsigned level,
- unsigned usage,
- const struct pipe_box *box)
+static void *
+llvmpipe_transfer_map( struct pipe_context *pipe,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ struct pipe_transfer **transfer )
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
- struct llvmpipe_resource *lprex = llvmpipe_resource(resource);
- struct llvmpipe_transfer *lpr;
+ struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
+ struct llvmpipe_resource *lpr = llvmpipe_resource(resource);
+ struct llvmpipe_transfer *lpt;
+ struct pipe_transfer *pt;
+ ubyte *map;
+ enum pipe_format format;
+ enum lp_texture_usage tex_usage;
+ const char *mode;
assert(resource);
assert(level <= resource->last_level);
- if (usage & PIPE_TRANSFER_MAP_PERMANENTLY) {
- return NULL;
- }
-
/*
* Transfers, like other pipe operations, must happen in order, so flush the
* context if necessary.
boolean do_not_block = !!(usage & PIPE_TRANSFER_DONTBLOCK);
if (!llvmpipe_flush_resource(pipe, resource,
level,
- box->depth > 1 ? -1 : box->z,
read_only,
TRUE, /* cpu_access */
do_not_block,
}
}
- if (resource == llvmpipe->constants[PIPE_SHADER_FRAGMENT][0])
- llvmpipe->dirty |= LP_NEW_CONSTANTS;
-
- lpr = CALLOC_STRUCT(llvmpipe_transfer);
- if (lpr) {
- struct pipe_transfer *pt = &lpr->base;
- pipe_resource_reference(&pt->resource, resource);
- pt->box = *box;
- pt->level = level;
- pt->stride = lprex->row_stride[level];
- pt->layer_stride = lprex->img_stride[level];
- pt->usage = usage;
-
- return pt;
+ /* Check if we're mapping a current constant buffer */
+ if ((usage & PIPE_TRANSFER_WRITE) &&
+ (resource->bind & PIPE_BIND_CONSTANT_BUFFER)) {
+ unsigned i;
+ for (i = 0; i < ARRAY_SIZE(llvmpipe->constants[PIPE_SHADER_FRAGMENT]); ++i) {
+ if (resource == llvmpipe->constants[PIPE_SHADER_FRAGMENT][i].buffer) {
+ /* constants may have changed */
+ llvmpipe->dirty |= LP_NEW_FS_CONSTANTS;
+ break;
+ }
+ }
}
- return NULL;
-}
-
-
-static void
-llvmpipe_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 llvmpipe, nothing to do.
- */
- assert (transfer->resource);
- pipe_resource_reference(&transfer->resource, NULL);
- FREE(transfer);
-}
-
-static void *
-llvmpipe_transfer_map( struct pipe_context *pipe,
- struct pipe_transfer *transfer )
-{
- struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
- ubyte *map;
- struct llvmpipe_resource *lpr;
- enum pipe_format format;
- enum lp_texture_usage tex_usage;
- const char *mode;
+ lpt = CALLOC_STRUCT(llvmpipe_transfer);
+ if (!lpt)
+ return NULL;
+ pt = &lpt->base;
+ pipe_resource_reference(&pt->resource, resource);
+ pt->box = *box;
+ pt->level = level;
+ pt->stride = lpr->row_stride[level];
+ pt->layer_stride = lpr->img_stride[level];
+ pt->usage = usage;
+ *transfer = pt;
- assert(transfer->level < LP_MAX_TEXTURE_LEVELS);
+ assert(level < LP_MAX_TEXTURE_LEVELS);
/*
printf("tex_transfer_map(%d, %d %d x %d of %d x %d, usage %d )\n",
transfer->usage);
*/
- if (transfer->usage == PIPE_TRANSFER_READ) {
+ if (usage == PIPE_TRANSFER_READ) {
tex_usage = LP_TEX_USAGE_READ;
mode = "read";
}
}
if (0) {
- struct llvmpipe_resource *lpr = llvmpipe_resource(transfer->resource);
printf("transfer map tex %u mode %s\n", lpr->id, mode);
}
-
- assert(transfer->resource);
- lpr = llvmpipe_resource(transfer->resource);
format = lpr->base.format;
- map = llvmpipe_resource_map(transfer->resource,
- transfer->level,
- transfer->box.z,
- tex_usage, LP_TEX_LAYOUT_LINEAR);
+ map = llvmpipe_resource_map(resource,
+ level,
+ box->z,
+ tex_usage);
/* May want to do different things here depending on read/write nature
* of the map:
*/
- if (transfer->usage & PIPE_TRANSFER_WRITE) {
+ if (usage & PIPE_TRANSFER_WRITE) {
/* Do something to notify sharing contexts of a texture change.
*/
screen->timestamp++;
}
map +=
- transfer->box.y / util_format_get_blockheight(format) * transfer->stride +
- transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
+ box->y / util_format_get_blockheight(format) * pt->stride +
+ box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
return map;
}
llvmpipe_resource_unmap(transfer->resource,
transfer->level,
transfer->box.z);
+
+ /* 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 llvmpipe, nothing to do.
+ */
+ assert (transfer->resource);
+ pipe_resource_reference(&transfer->resource, NULL);
+ FREE(transfer);
}
unsigned int
llvmpipe_is_resource_referenced( struct pipe_context *pipe,
struct pipe_resource *presource,
- unsigned level, int layer)
+ unsigned level)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
-
- if (presource->target == PIPE_BUFFER)
+ if (!(presource->bind & (PIPE_BIND_DEPTH_STENCIL |
+ PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_SAMPLER_VIEW |
+ PIPE_BIND_SHADER_BUFFER |
+ PIPE_BIND_SHADER_IMAGE)))
return LP_UNREFERENCED;
return lp_setup_is_resource_referenced(llvmpipe->setup, presource);
}
+/**
+ * Returns the largest possible alignment for a format in llvmpipe
+ */
+unsigned
+llvmpipe_get_format_alignment( enum pipe_format format )
+{
+ const struct util_format_description *desc = util_format_description(format);
+ unsigned size = 0;
+ unsigned bytes;
+ unsigned i;
+
+ for (i = 0; i < desc->nr_channels; ++i) {
+ size += desc->channel[i].size;
+ }
+
+ bytes = size / 8;
+
+ if (!util_is_power_of_two_or_zero(bytes)) {
+ bytes /= desc->nr_channels;
+ }
+
+ if (bytes % 2 || bytes < 1) {
+ return 1;
+ } else {
+ return bytes;
+ }
+}
+
/**
* Create buffer which wraps user-space data.
+ * XXX unreachable.
*/
-static struct pipe_resource *
+struct pipe_resource *
llvmpipe_user_buffer_create(struct pipe_screen *screen,
void *ptr,
unsigned bytes,
- unsigned bind_flags)
+ unsigned bind_flags)
{
struct llvmpipe_resource *buffer;
buffer = CALLOC_STRUCT(llvmpipe_resource);
- if(!buffer)
+ if (!buffer)
return NULL;
pipe_reference_init(&buffer->base.reference, 1);
/**
* Compute size (in bytes) need to store a texture image / mipmap level,
- * for just one cube face or one 3D texture slice
- */
-static unsigned
-tex_image_face_size(const struct llvmpipe_resource *lpr, unsigned level,
- enum lp_texture_layout layout)
-{
- const unsigned width = u_minify(lpr->base.width0, level);
- const unsigned height = u_minify(lpr->base.height0, level);
-
- assert(layout == LP_TEX_LAYOUT_TILED ||
- layout == LP_TEX_LAYOUT_LINEAR);
-
- if (layout == LP_TEX_LAYOUT_TILED) {
- /* for tiled layout, force a 32bpp format */
- const enum pipe_format format = PIPE_FORMAT_B8G8R8A8_UNORM;
- const unsigned block_size = util_format_get_blocksize(format);
- const unsigned nblocksy =
- util_format_get_nblocksy(format, align(height, TILE_SIZE));
- const unsigned nblocksx =
- util_format_get_nblocksx(format, align(width, TILE_SIZE));
- const unsigned buffer_size = block_size * nblocksy * nblocksx;
- return buffer_size;
- }
- else {
- /* we already computed this */
- return lpr->img_stride[level];
- }
-}
-
-
-/**
- * Compute size (in bytes) need to store a texture image / mipmap level,
- * including all cube faces or 3D image slices
+ * for just one cube face, one array layer or one 3D texture slice
*/
static unsigned
-tex_image_size(const struct llvmpipe_resource *lpr, unsigned level,
- enum lp_texture_layout layout)
-{
- const unsigned buf_size = tex_image_face_size(lpr, level, layout);
- return buf_size * lpr->num_slices_faces[level];
-}
-
-
-/**
- * This function encapsulates some complicated logic for determining
- * how to convert a tile of image data from linear layout to tiled
- * layout, or vice versa.
- * \param cur_layout the current tile layout
- * \param target_layout the desired tile layout
- * \param usage how the tile will be accessed (R/W vs. read-only, etc)
- * \param new_layout_return returns the new layout mode
- * \param convert_return returns TRUE if image conversion is needed
- */
-static void
-layout_logic(enum lp_texture_layout cur_layout,
- enum lp_texture_layout target_layout,
- enum lp_texture_usage usage,
- enum lp_texture_layout *new_layout_return,
- boolean *convert)
+tex_image_face_size(const struct llvmpipe_resource *lpr, unsigned level)
{
- enum lp_texture_layout other_layout, new_layout;
-
- *convert = FALSE;
-
- new_layout = 99; /* debug check */
-
- if (target_layout == LP_TEX_LAYOUT_LINEAR) {
- other_layout = LP_TEX_LAYOUT_TILED;
- }
- else {
- assert(target_layout == LP_TEX_LAYOUT_TILED);
- other_layout = LP_TEX_LAYOUT_LINEAR;
- }
-
- new_layout = target_layout; /* may get changed below */
-
- if (cur_layout == LP_TEX_LAYOUT_BOTH) {
- if (usage == LP_TEX_USAGE_READ) {
- new_layout = LP_TEX_LAYOUT_BOTH;
- }
- }
- else if (cur_layout == other_layout) {
- if (usage != LP_TEX_USAGE_WRITE_ALL) {
- /* need to convert tiled data to linear or vice versa */
- *convert = TRUE;
-
- if (usage == LP_TEX_USAGE_READ)
- new_layout = LP_TEX_LAYOUT_BOTH;
- }
- }
- else {
- assert(cur_layout == LP_TEX_LAYOUT_NONE ||
- cur_layout == target_layout);
- }
-
- assert(new_layout == LP_TEX_LAYOUT_BOTH ||
- new_layout == target_layout);
-
- *new_layout_return = new_layout;
+ return lpr->img_stride[level];
}
*/
ubyte *
llvmpipe_get_texture_image_address(struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- enum lp_texture_layout layout)
+ unsigned face_slice, unsigned level)
{
- struct llvmpipe_texture_image *img;
unsigned offset;
- if (layout == LP_TEX_LAYOUT_LINEAR) {
- img = &lpr->linear[level];
- }
- else {
- assert (layout == LP_TEX_LAYOUT_TILED);
- img = &lpr->tiled[level];
- }
-
- if (face_slice > 0)
- offset = face_slice * tex_image_face_size(lpr, level, layout);
- else
- offset = 0;
-
- return (ubyte *) img->data + offset;
-}
-
-
-static INLINE enum lp_texture_layout
-llvmpipe_get_texture_tile_layout(const struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- unsigned x, unsigned y)
-{
- uint i;
- assert(resource_is_texture(&lpr->base));
- assert(x < lpr->tiles_per_row[level]);
- i = face_slice * lpr->tiles_per_image[level]
- + y * lpr->tiles_per_row[level] + x;
- return lpr->layout[level][i];
-}
-
-
-static INLINE void
-llvmpipe_set_texture_tile_layout(struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- unsigned x, unsigned y,
- enum lp_texture_layout layout)
-{
- uint i;
- assert(resource_is_texture(&lpr->base));
- assert(x < lpr->tiles_per_row[level]);
- i = face_slice * lpr->tiles_per_image[level]
- + y * lpr->tiles_per_row[level] + x;
- lpr->layout[level][i] = layout;
-}
-
-
-/**
- * Set the layout mode for all tiles in a particular image.
- */
-static INLINE void
-llvmpipe_set_texture_image_layout(struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- unsigned width_t, unsigned height_t,
- enum lp_texture_layout layout)
-{
- const unsigned start = face_slice * lpr->tiles_per_image[level];
- unsigned i;
-
- for (i = 0; i < width_t * height_t; i++) {
- lpr->layout[level][start + i] = layout;
- }
-}
-
+ assert(llvmpipe_resource_is_texture(&lpr->base));
-/**
- * Allocate storage for a linear or tile texture image (all cube
- * faces and all 3D slices.
- */
-static void
-alloc_image_data(struct llvmpipe_resource *lpr, unsigned level,
- enum lp_texture_layout layout)
-{
- uint alignment = MAX2(16, util_cpu_caps.cacheline);
-
- if (lpr->dt)
- assert(level == 0);
-
- if (layout == LP_TEX_LAYOUT_TILED) {
- /* tiled data is stored in regular memory */
- uint buffer_size = tex_image_size(lpr, level, layout);
- lpr->tiled[level].data = align_malloc(buffer_size, alignment);
- if (lpr->tiled[level].data) {
- memset(lpr->tiled[level].data, 0, buffer_size);
- }
- }
- else {
- assert(layout == LP_TEX_LAYOUT_LINEAR);
- if (lpr->dt) {
- /* we get the linear memory from the winsys, and it has
- * already been zeroed
- */
- struct llvmpipe_screen *screen = llvmpipe_screen(lpr->base.screen);
- struct sw_winsys *winsys = screen->winsys;
-
- lpr->linear[0].data =
- winsys->displaytarget_map(winsys, lpr->dt,
- PIPE_TRANSFER_READ_WRITE);
- }
- else {
- /* not a display target - allocate regular memory */
- uint buffer_size = tex_image_size(lpr, level, LP_TEX_LAYOUT_LINEAR);
- lpr->linear[level].data = align_malloc(buffer_size, alignment);
- if (lpr->linear[level].data) {
- memset(lpr->linear[level].data, 0, buffer_size);
- }
- }
- }
-}
-
-
-
-/**
- * Return pointer to texture image data (either linear or tiled layout)
- * for a particular cube face or 3D texture slice.
- *
- * \param face_slice the cube face or 3D slice of interest
- * \param usage one of LP_TEX_USAGE_READ/WRITE_ALL/READ_WRITE
- * \param layout either LP_TEX_LAYOUT_LINEAR or _TILED or _NONE
- */
-void *
-llvmpipe_get_texture_image(struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- enum lp_texture_usage usage,
- enum lp_texture_layout layout)
-{
- /*
- * 'target' refers to the image which we're retrieving (either in
- * tiled or linear layout).
- * 'other' refers to the same image but in the other layout. (it may
- * or may not exist.
- */
- struct llvmpipe_texture_image *target_img;
- struct llvmpipe_texture_image *other_img;
- void *target_data;
- void *other_data;
- const unsigned width = u_minify(lpr->base.width0, level);
- const unsigned height = u_minify(lpr->base.height0, level);
- const unsigned width_t = align(width, TILE_SIZE) / TILE_SIZE;
- const unsigned height_t = align(height, TILE_SIZE) / TILE_SIZE;
- enum lp_texture_layout other_layout;
- boolean only_allocate;
-
- assert(layout == LP_TEX_LAYOUT_NONE ||
- layout == LP_TEX_LAYOUT_TILED ||
- layout == LP_TEX_LAYOUT_LINEAR);
-
- assert(usage == LP_TEX_USAGE_READ ||
- usage == LP_TEX_USAGE_READ_WRITE ||
- usage == LP_TEX_USAGE_WRITE_ALL);
-
- /* check for the special case of layout == LP_TEX_LAYOUT_NONE */
- if (layout == LP_TEX_LAYOUT_NONE) {
- only_allocate = TRUE;
- layout = LP_TEX_LAYOUT_TILED;
- }
- else {
- only_allocate = FALSE;
- }
-
- if (lpr->dt) {
- assert(lpr->linear[level].data);
- }
-
- /* which is target? which is other? */
- if (layout == LP_TEX_LAYOUT_LINEAR) {
- target_img = &lpr->linear[level];
- other_img = &lpr->tiled[level];
- other_layout = LP_TEX_LAYOUT_TILED;
- }
- else {
- target_img = &lpr->tiled[level];
- other_img = &lpr->linear[level];
- other_layout = LP_TEX_LAYOUT_LINEAR;
- }
-
- target_data = target_img->data;
- other_data = other_img->data;
-
- if (!target_data) {
- /* allocate memory for the target image now */
- alloc_image_data(lpr, level, layout);
- target_data = target_img->data;
- }
-
- if (face_slice > 0) {
- unsigned target_offset, other_offset;
-
- target_offset = face_slice * tex_image_face_size(lpr, level, layout);
- other_offset = face_slice * tex_image_face_size(lpr, level, other_layout);
- if (target_data) {
- target_data = (uint8_t *) target_data + target_offset;
- }
- if (other_data) {
- other_data = (uint8_t *) other_data + other_offset;
- }
- }
+ offset = lpr->mip_offsets[level];
- if (only_allocate) {
- /* Just allocating tiled memory. Don't initialize it from the
- * linear data if it exists.
- */
- return target_data;
- }
-
- if (other_data) {
- /* may need to convert other data to the requested layout */
- enum lp_texture_layout new_layout;
- unsigned x, y;
-
- /* loop over all image tiles, doing layout conversion where needed */
- for (y = 0; y < height_t; y++) {
- for (x = 0; x < width_t; x++) {
- enum lp_texture_layout cur_layout =
- llvmpipe_get_texture_tile_layout(lpr, face_slice, level, x, y);
- boolean convert;
-
- layout_logic(cur_layout, layout, usage, &new_layout, &convert);
-
- if (convert && other_data && target_data) {
- if (layout == LP_TEX_LAYOUT_TILED) {
- lp_linear_to_tiled(other_data, target_data,
- x * TILE_SIZE, y * TILE_SIZE,
- TILE_SIZE, TILE_SIZE,
- lpr->base.format,
- lpr->row_stride[level],
- lpr->tiles_per_row[level]);
- }
- else {
- assert(layout == LP_TEX_LAYOUT_LINEAR);
- lp_tiled_to_linear(other_data, target_data,
- x * TILE_SIZE, y * TILE_SIZE,
- TILE_SIZE, TILE_SIZE,
- lpr->base.format,
- lpr->row_stride[level],
- lpr->tiles_per_row[level]);
- }
- }
-
- if (new_layout != cur_layout)
- llvmpipe_set_texture_tile_layout(lpr, face_slice, level, x, y,
- new_layout);
- }
- }
- }
- else {
- /* no other data */
- llvmpipe_set_texture_image_layout(lpr, face_slice, level,
- width_t, height_t, layout);
- }
-
- return target_data;
-}
-
-
-/**
- * Return pointer to start of a texture image (1D, 2D, 3D, CUBE).
- * All cube faces and 3D slices will be converted to the requested
- * layout if needed.
- * This is typically used when we're about to sample from a texture.
- */
-void *
-llvmpipe_get_texture_image_all(struct llvmpipe_resource *lpr,
- unsigned level,
- enum lp_texture_usage usage,
- enum lp_texture_layout layout)
-{
- const int slices = lpr->num_slices_faces[level];
- int slice;
- void *map = NULL;
-
- assert(slices > 0);
-
- for (slice = slices - 1; slice >= 0; slice--) {
- map = llvmpipe_get_texture_image(lpr, slice, level, usage, layout);
- }
-
- return map;
-}
-
-
-/**
- * Get pointer to a linear image (not the tile!) where the tile at (x,y)
- * is known to be in linear layout.
- * Conversion from tiled to linear will be done if necessary.
- * \return pointer to start of image/face (not the tile)
- */
-ubyte *
-llvmpipe_get_texture_tile_linear(struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- enum lp_texture_usage usage,
- unsigned x, unsigned y)
-{
- struct llvmpipe_texture_image *linear_img = &lpr->linear[level];
- enum lp_texture_layout cur_layout, new_layout;
- const unsigned tx = x / TILE_SIZE, ty = y / TILE_SIZE;
- boolean convert;
- uint8_t *tiled_image, *linear_image;
-
- assert(resource_is_texture(&lpr->base));
- assert(x % TILE_SIZE == 0);
- assert(y % TILE_SIZE == 0);
-
- if (!linear_img->data) {
- /* allocate memory for the linear image now */
- alloc_image_data(lpr, level, LP_TEX_LAYOUT_LINEAR);
- }
-
- /* compute address of the slice/face of the image that contains the tile */
- tiled_image = llvmpipe_get_texture_image_address(lpr, face_slice, level,
- LP_TEX_LAYOUT_TILED);
- linear_image = llvmpipe_get_texture_image_address(lpr, face_slice, level,
- LP_TEX_LAYOUT_LINEAR);
-
- /* get current tile layout and determine if data conversion is needed */
- cur_layout = llvmpipe_get_texture_tile_layout(lpr, face_slice, level, tx, ty);
-
- layout_logic(cur_layout, LP_TEX_LAYOUT_LINEAR, usage,
- &new_layout, &convert);
-
- if (convert && tiled_image && linear_image) {
- lp_tiled_to_linear(tiled_image, linear_image,
- x, y, TILE_SIZE, TILE_SIZE, lpr->base.format,
- lpr->row_stride[level],
- lpr->tiles_per_row[level]);
- }
-
- if (new_layout != cur_layout)
- llvmpipe_set_texture_tile_layout(lpr, face_slice, level, tx, ty, new_layout);
-
- return linear_image;
-}
-
-
-/**
- * Get pointer to tiled data for rendering.
- * \return pointer to the tiled data at the given tile position
- */
-ubyte *
-llvmpipe_get_texture_tile(struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- enum lp_texture_usage usage,
- unsigned x, unsigned y)
-{
- struct llvmpipe_texture_image *tiled_img = &lpr->tiled[level];
- enum lp_texture_layout cur_layout, new_layout;
- const unsigned tx = x / TILE_SIZE, ty = y / TILE_SIZE;
- boolean convert;
- uint8_t *tiled_image, *linear_image;
- unsigned tile_offset;
-
- assert(x % TILE_SIZE == 0);
- assert(y % TILE_SIZE == 0);
-
- if (!tiled_img->data) {
- /* allocate memory for the tiled image now */
- alloc_image_data(lpr, level, LP_TEX_LAYOUT_TILED);
- }
-
- /* compute address of the slice/face of the image that contains the tile */
- tiled_image = llvmpipe_get_texture_image_address(lpr, face_slice, level,
- LP_TEX_LAYOUT_TILED);
- linear_image = llvmpipe_get_texture_image_address(lpr, face_slice, level,
- LP_TEX_LAYOUT_LINEAR);
-
- /* get current tile layout and see if we need to convert the data */
- cur_layout = llvmpipe_get_texture_tile_layout(lpr, face_slice, level, tx, ty);
-
- layout_logic(cur_layout, LP_TEX_LAYOUT_TILED, usage, &new_layout, &convert);
- if (convert && linear_image && tiled_image) {
- lp_linear_to_tiled(linear_image, tiled_image,
- x, y, TILE_SIZE, TILE_SIZE, lpr->base.format,
- lpr->row_stride[level],
- lpr->tiles_per_row[level]);
- }
-
- if (!tiled_image)
- return NULL;
-
- if (new_layout != cur_layout)
- llvmpipe_set_texture_tile_layout(lpr, face_slice, level, tx, ty, new_layout);
-
- /* compute, return address of the 64x64 tile */
- tile_offset = (ty * lpr->tiles_per_row[level] + tx)
- * TILE_SIZE * TILE_SIZE * 4;
-
- return (ubyte *) tiled_image + tile_offset;
-}
-
-
-/**
- * Get pointer to tiled data for rendering.
- * \return pointer to the tiled data at the given tile position
- */
-void
-llvmpipe_unswizzle_cbuf_tile(struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- unsigned x, unsigned y,
- uint8_t *tile)
-{
- struct llvmpipe_texture_image *linear_img = &lpr->linear[level];
- const unsigned tx = x / TILE_SIZE, ty = y / TILE_SIZE;
- uint8_t *linear_image;
-
- assert(x % TILE_SIZE == 0);
- assert(y % TILE_SIZE == 0);
-
- if (!linear_img->data) {
- /* allocate memory for the linear image now */
- alloc_image_data(lpr, level, LP_TEX_LAYOUT_LINEAR);
- }
-
- /* compute address of the slice/face of the image that contains the tile */
- linear_image = llvmpipe_get_texture_image_address(lpr, face_slice, level,
- LP_TEX_LAYOUT_LINEAR);
-
- {
- uint ii = x, jj = y;
- uint tile_offset = jj / TILE_SIZE + ii / TILE_SIZE;
- uint byte_offset = tile_offset * TILE_SIZE * TILE_SIZE * 4;
-
- /* Note that lp_tiled_to_linear expects the tile parameter to
- * point at the first tile in a whole-image sized array. In
- * this code, we have only a single tile and have to do some
- * pointer arithmetic to figure out where the "image" would have
- * started.
- */
- lp_tiled_to_linear(tile - byte_offset, linear_image,
- x, y, TILE_SIZE, TILE_SIZE,
- lpr->base.format,
- lpr->row_stride[level],
- 1); /* tiles per row */
- }
-
- llvmpipe_set_texture_tile_layout(lpr, face_slice, level, tx, ty,
- LP_TEX_LAYOUT_LINEAR);
-}
-
-
-/**
- * Get pointer to tiled data for rendering.
- * \return pointer to the tiled data at the given tile position
- */
-void
-llvmpipe_swizzle_cbuf_tile(struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- unsigned x, unsigned y,
- uint8_t *tile)
-{
- uint8_t *linear_image;
-
- assert(x % TILE_SIZE == 0);
- assert(y % TILE_SIZE == 0);
-
- /* compute address of the slice/face of the image that contains the tile */
- linear_image = llvmpipe_get_texture_image_address(lpr, face_slice, level,
- LP_TEX_LAYOUT_LINEAR);
-
- if (linear_image) {
- uint ii = x, jj = y;
- uint tile_offset = jj / TILE_SIZE + ii / TILE_SIZE;
- uint byte_offset = tile_offset * TILE_SIZE * TILE_SIZE * 4;
+ if (face_slice > 0)
+ offset += face_slice * tex_image_face_size(lpr, level);
- /* Note that lp_linear_to_tiled expects the tile parameter to
- * point at the first tile in a whole-image sized array. In
- * this code, we have only a single tile and have to do some
- * pointer arithmetic to figure out where the "image" would have
- * started.
- */
- lp_linear_to_tiled(linear_image, tile - byte_offset,
- x, y, TILE_SIZE, TILE_SIZE,
- lpr->base.format,
- lpr->row_stride[level],
- 1); /* tiles per row */
- }
+ return (ubyte *) lpr->tex_data + offset;
}
llvmpipe_resource_size(const struct pipe_resource *resource)
{
const struct llvmpipe_resource *lpr = llvmpipe_resource_const(resource);
- unsigned lvl, size = 0;
-
- for (lvl = 0; lvl <= lpr->base.last_level; lvl++) {
- if (lpr->linear[lvl].data)
- size += tex_image_size(lpr, lvl, LP_TEX_LAYOUT_LINEAR);
+ unsigned size = 0;
- if (lpr->tiled[lvl].data)
- size += tex_image_size(lpr, lvl, LP_TEX_LAYOUT_TILED);
+ if (llvmpipe_resource_is_texture(resource)) {
+ /* Note this will always return 0 for displaytarget resources */
+ size = lpr->total_alloc_size;
+ }
+ else {
+ size = resource->width0;
}
-
return size;
}
+static void
+llvmpipe_memory_barrier(struct pipe_context *pipe,
+ unsigned flags)
+{
+ /* this may be an overly large hammer for this nut. */
+ llvmpipe_finish(pipe, "barrier");
+}
#ifdef DEBUG
void
#endif
screen->resource_create = llvmpipe_resource_create;
+/* screen->resource_create_front = llvmpipe_resource_create_front; */
screen->resource_destroy = llvmpipe_resource_destroy;
screen->resource_from_handle = llvmpipe_resource_from_handle;
screen->resource_get_handle = llvmpipe_resource_get_handle;
- screen->user_buffer_create = llvmpipe_user_buffer_create;
-
+ screen->can_create_resource = llvmpipe_can_create_resource;
}
void
llvmpipe_init_context_resource_funcs(struct pipe_context *pipe)
{
- pipe->get_transfer = llvmpipe_get_transfer;
- pipe->transfer_destroy = llvmpipe_transfer_destroy;
pipe->transfer_map = llvmpipe_transfer_map;
pipe->transfer_unmap = llvmpipe_transfer_unmap;
-
+
pipe->transfer_flush_region = u_default_transfer_flush_region;
- pipe->transfer_inline_write = u_default_transfer_inline_write;
+ pipe->buffer_subdata = u_default_buffer_subdata;
+ pipe->texture_subdata = u_default_texture_subdata;
- pipe->create_surface = llvmpipe_create_surface;
- pipe->surface_destroy = llvmpipe_surface_destroy;
+ pipe->memory_barrier = llvmpipe_memory_barrier;
}
projects / mesa.git / blobdiff