/************************************************************************** * * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * 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 * 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 * Michel Dänzer */ #include #include "pipe/p_context.h" #include "pipe/p_defines.h" #include "util/u_inlines.h" #include "util/u_format.h" #include "util/u_math.h" #include "util/u_memory.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_tile_size.h" #include "state_tracker/sw_winsys.h" static INLINE boolean resource_is_texture(const struct pipe_resource *resource) { const unsigned tex_binds = (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED | PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_SAMPLER_VIEW); const struct llvmpipe_resource *lpr = llvmpipe_resource_const(resource); return (lpr->base.bind & tex_binds) ? TRUE : 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 width, unsigned height) { const unsigned tx = align(width, TILE_SIZE) / TILE_SIZE; const unsigned ty = align(height, TILE_SIZE) / TILE_SIZE; assert(tx * ty > 0); assert(LP_TEX_LAYOUT_NONE == 0); /* calloc'ing LP_TEX_LAYOUT_NONE here */ return (enum lp_texture_layout *) calloc(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. */ static boolean llvmpipe_texture_layout(struct llvmpipe_screen *screen, struct llvmpipe_resource *lpr) { struct pipe_resource *pt = &lpr->base; unsigned level; unsigned width = pt->width0; unsigned height = pt->height0; 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++) { const unsigned num_faces = lpr->base.target == PIPE_TEXTURE_CUBE ? 6 : 1; unsigned nblocksx, face; /* Allocate storage for whole quads. This is particularly important * for depth surfaces, which are currently stored in a swizzled format. */ nblocksx = util_format_get_nblocksx(pt->format, align(width, TILE_SIZE)); lpr->stride[level] = align(nblocksx * util_format_get_blocksize(pt->format), 16); lpr->tiles_per_row[level] = align(width, TILE_SIZE) / TILE_SIZE; for (face = 0; face < num_faces; face++) { lpr->layout[face][level] = alloc_layout_array(width, height); } width = u_minify(width, 1); height = u_minify(height, 1); } return TRUE; } static boolean llvmpipe_displaytarget_layout(struct llvmpipe_screen *screen, struct llvmpipe_resource *lpr) { struct sw_winsys *winsys = screen->winsys; /* Round up the surface size to a multiple of the tile size to * avoid tile clipping. */ unsigned width = align(lpr->base.width0, TILE_SIZE); unsigned height = align(lpr->base.height0, TILE_SIZE); lpr->tiles_per_row[0] = align(width, TILE_SIZE) / TILE_SIZE; lpr->layout[0][0] = alloc_layout_array(width, height); lpr->dt = winsys->displaytarget_create(winsys, lpr->base.bind, lpr->base.format, width, height, 16, &lpr->stride[0] ); return lpr->dt != NULL; } static struct pipe_resource * llvmpipe_resource_create(struct pipe_screen *_screen, const struct pipe_resource *templat) { static unsigned id_counter = 0; struct llvmpipe_screen *screen = llvmpipe_screen(_screen); struct llvmpipe_resource *lpr = CALLOC_STRUCT(llvmpipe_resource); if (!lpr) return NULL; lpr->base = *templat; pipe_reference_init(&lpr->base.reference, 1); lpr->base.screen = &screen->base; assert(lpr->base.bind); if (lpr->base.bind & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED)) { /* displayable surface */ if (!llvmpipe_displaytarget_layout(screen, lpr)) goto fail; assert(lpr->layout[0][0][0] == LP_TEX_LAYOUT_NONE); } else if (lpr->base.bind & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL)) { /* texture map */ if (!llvmpipe_texture_layout(screen, lpr)) goto fail; assert(lpr->layout[0][0][0] == LP_TEX_LAYOUT_NONE); } 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); 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); if (!lpr->data) goto fail; } if (resource_is_texture(&lpr->base)) { assert(lpr->layout[0][0]); } lpr->id = id_counter++; return &lpr->base; fail: FREE(lpr); return NULL; } static void llvmpipe_resource_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt) { struct llvmpipe_screen *screen = llvmpipe_screen(pscreen); struct llvmpipe_resource *lpr = llvmpipe_resource(pt); if (lpr->dt) { /* display target */ struct sw_winsys *winsys = screen->winsys; winsys->displaytarget_destroy(winsys, lpr->dt); } else if (resource_is_texture(pt)) { /* regular texture */ const uint num_faces = pt->target == PIPE_TEXTURE_CUBE ? 6 : 1; uint level, face; /* 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++) { for (face = 0; face < num_faces; face++) { free(lpr->layout[face][level]); lpr->layout[face][level] = NULL; } } } else if (!lpr->userBuffer) { assert(lpr->data); align_free(lpr->data); } FREE(lpr); } /** * Map a resource for read/write. */ void * llvmpipe_resource_map(struct pipe_resource *resource, unsigned face, unsigned level, unsigned zslice, enum lp_texture_usage tex_usage, enum lp_texture_layout layout) { struct llvmpipe_resource *lpr = llvmpipe_resource(resource); uint8_t *map; assert(face < 6); assert(level < LP_MAX_TEXTURE_LEVELS); assert(tex_usage == LP_TEX_USAGE_READ || 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; if (tex_usage == LP_TEX_USAGE_READ) { dt_usage = PIPE_TRANSFER_READ; } else { dt_usage = PIPE_TRANSFER_READ_WRITE; } assert(face == 0); assert(level == 0); assert(zslice == 0); /* FIXME: keep map count? */ map = winsys->displaytarget_map(winsys, lpr->dt, dt_usage); /* install this linear image in texture data structure */ lpr->linear[level].data = map; map = llvmpipe_get_texture_image(lpr, face, level, tex_usage, layout); assert(map); return map; } else if (resource_is_texture(resource)) { /* regular texture */ const unsigned tex_height = u_minify(resource->height0, level); const unsigned nblocksy = util_format_get_nblocksy(resource->format, tex_height); const unsigned stride = lpr->stride[level]; unsigned offset = 0; if (resource->target == PIPE_TEXTURE_CUBE) { /* XXX incorrect offset = face * nblocksy * stride; */ } else if (resource->target == PIPE_TEXTURE_3D) { offset = zslice * nblocksy * stride; } else { assert(face == 0); assert(zslice == 0); offset = 0; } map = llvmpipe_get_texture_image(lpr, face, level, tex_usage, layout); assert(map); map += offset; return map; } else { return lpr->data; } } /** * Unmap a resource. */ void llvmpipe_resource_unmap(struct pipe_resource *resource, unsigned face, unsigned level, unsigned zslice) { struct llvmpipe_resource *lpr = llvmpipe_resource(resource); if (lpr->dt) { /* display target */ struct llvmpipe_screen *lp_screen = llvmpipe_screen(resource->screen); struct sw_winsys *winsys = lp_screen->winsys; assert(face == 0); assert(level == 0); assert(zslice == 0); /* make sure linear image is up to date */ (void) llvmpipe_get_texture_image(lpr, 0, 0, LP_TEX_USAGE_READ, LP_TEX_LAYOUT_LINEAR); winsys->displaytarget_unmap(winsys, lpr->dt); } } void * llvmpipe_resource_data(struct pipe_resource *resource) { struct llvmpipe_resource *lpr = llvmpipe_resource(resource); assert((lpr->base.bind & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED | PIPE_BIND_SAMPLER_VIEW)) == 0); return lpr->data; } static struct pipe_resource * llvmpipe_resource_from_handle(struct pipe_screen *screen, const struct pipe_resource *template, struct winsys_handle *whandle) { struct sw_winsys *winsys = llvmpipe_screen(screen)->winsys; struct llvmpipe_resource *lpr = CALLOC_STRUCT(llvmpipe_resource); if (!lpr) return NULL; lpr->base = *template; pipe_reference_init(&lpr->base.reference, 1); lpr->base.screen = screen; lpr->dt = winsys->displaytarget_from_handle(winsys, template, whandle, &lpr->stride[0]); if (!lpr->dt) goto fail; return &lpr->base; fail: FREE(lpr); return NULL; } static boolean llvmpipe_resource_get_handle(struct pipe_screen *screen, struct pipe_resource *pt, struct winsys_handle *whandle) { struct sw_winsys *winsys = llvmpipe_screen(screen)->winsys; struct llvmpipe_resource *lpr = llvmpipe_resource(pt); assert(lpr->dt); if (!lpr->dt) return FALSE; return winsys->displaytarget_get_handle(winsys, lpr->dt, whandle); } static struct pipe_surface * llvmpipe_get_tex_surface(struct pipe_screen *screen, struct pipe_resource *pt, unsigned face, unsigned level, unsigned zslice, enum lp_texture_usage usage) { struct pipe_surface *ps; assert(level <= pt->last_level); ps = CALLOC_STRUCT(pipe_surface); if (ps) { pipe_reference_init(&ps->reference, 1); 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->usage = usage; ps->face = face; ps->level = level; ps->zslice = zslice; } return ps; } static void llvmpipe_tex_surface_destroy(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, struct pipe_subresource sr, unsigned usage, const struct pipe_box *box) { struct llvmpipe_resource *lprex = llvmpipe_resource(resource); struct llvmpipe_transfer *lpr; assert(resource); assert(sr.level <= resource->last_level); lpr = CALLOC_STRUCT(llvmpipe_transfer); if (lpr) { struct pipe_transfer *pt = &lpr->base; pipe_resource_reference(&pt->resource, resource); pt->box = *box; pt->sr = sr; pt->stride = lprex->stride[sr.level]; pt->usage = usage; return pt; } 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; assert(transfer->sr.face < 6); assert(transfer->sr.level < LP_MAX_TEXTURE_LEVELS); /* printf("tex_transfer_map(%d, %d %d x %d of %d x %d, usage %d )\n", transfer->x, transfer->y, transfer->width, transfer->height, transfer->texture->width0, transfer->texture->height0, transfer->usage); */ if (transfer->usage == PIPE_TRANSFER_READ) { tex_usage = LP_TEX_USAGE_READ; mode = "read"; } else { tex_usage = LP_TEX_USAGE_READ_WRITE; mode = "read/write"; } 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; /* * Transfers, like other pipe operations, must happen in order, so flush the * context if necessary. */ llvmpipe_flush_texture(pipe, transfer->resource, transfer->sr.face, transfer->sr.level, 0, /* flush_flags */ !(transfer->usage & PIPE_TRANSFER_WRITE), /* read_only */ TRUE, /* cpu_access */ FALSE); /* do_not_flush */ map = llvmpipe_resource_map(transfer->resource, transfer->sr.face, transfer->sr.level, transfer->box.z, tex_usage, LP_TEX_LAYOUT_LINEAR); /* May want to do different things here depending on read/write nature * of the map: */ if (transfer->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); return map; } static void llvmpipe_transfer_unmap(struct pipe_context *pipe, struct pipe_transfer *transfer) { assert(transfer->resource); llvmpipe_resource_unmap(transfer->resource, transfer->sr.face, transfer->sr.level, transfer->box.z); } static unsigned int llvmpipe_is_resource_referenced( struct pipe_context *pipe, struct pipe_resource *presource, unsigned face, unsigned level) { struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe ); if (presource->target == PIPE_BUFFER) return PIPE_UNREFERENCED; return lp_setup_is_resource_referenced(llvmpipe->setup, presource); } /** * Create buffer which wraps user-space data. */ static struct pipe_resource * llvmpipe_user_buffer_create(struct pipe_screen *screen, void *ptr, unsigned bytes, unsigned bind_flags) { struct llvmpipe_resource *buffer; buffer = CALLOC_STRUCT(llvmpipe_resource); if(!buffer) 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; } /** * Compute size (in bytes) need to store a texture image / mipmap level, * for just one cube face. */ 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); const unsigned depth = u_minify(lpr->base.depth0, 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 * (lpr->base.target == PIPE_TEXTURE_3D ? depth : 1); return buffer_size; } else { const enum pipe_format format = lpr->base.format; const unsigned nblocksy = util_format_get_nblocksy(format, align(height, TILE_SIZE)); const unsigned buffer_size = nblocksy * lpr->stride[level] * (lpr->base.target == PIPE_TEXTURE_3D ? depth : 1); return buffer_size; } } /** * Compute size (in bytes) need to store a texture image / mipmap level, * including all cube faces. */ 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); const unsigned num_faces = lpr->base.target == PIPE_TEXTURE_CUBE ? 6 : 1; return buf_size * num_faces; } /** * 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) { 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 pointer to a texture image. No tiled/linear conversion is done. */ void * llvmpipe_get_texture_image_address(struct llvmpipe_resource *lpr, unsigned face, unsigned level, enum lp_texture_layout layout) { struct llvmpipe_texture_image *img; unsigned face_offset; if (layout == LP_TEX_LAYOUT_LINEAR) { img = &lpr->linear[level]; } else { assert (layout == LP_TEX_LAYOUT_TILED); img = &lpr->tiled[level]; } if (face > 0) face_offset = face * tex_image_face_size(lpr, level, layout); else face_offset = 0; return (ubyte *) img->data + face_offset; } /** * Return pointer to texture image data (either linear or tiled layout). * \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, 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; 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); 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 */ unsigned buffer_size; if (layout == LP_TEX_LAYOUT_LINEAR) buffer_size = tex_image_size(lpr, level, LP_TEX_LAYOUT_LINEAR); else buffer_size = tex_image_size(lpr, level, LP_TEX_LAYOUT_TILED); target_img->data = align_malloc(buffer_size, 16); target_data = target_img->data; } if (face > 0) { unsigned offset = face * tex_image_face_size(lpr, level, layout); if (target_data) { target_data = (uint8_t *) target_data + offset; } if (other_data) { other_data = (uint8_t *) other_data + offset; } } if (layout == LP_TEX_LAYOUT_NONE) { /* Just allocating tiled memory. Don't initialize it from the 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, i = 0; /* 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 = lpr->layout[face][level][i]; boolean convert; layout_logic(cur_layout, layout, usage, &new_layout, &convert); if (convert) { 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->stride[level]); } else { lp_tiled_to_linear(other_data, target_data, x * TILE_SIZE, y * TILE_SIZE, TILE_SIZE, TILE_SIZE, lpr->base.format, lpr->stride[level]); } } lpr->layout[face][level][i] = new_layout; i++; } } } else { /* no other data */ unsigned i; for (i = 0; i < width_t * height_t; i++) { lpr->layout[face][level][i] = layout; } } assert(target_data); return target_data; } static INLINE enum lp_texture_layout llvmpipe_get_texture_tile_layout(const struct llvmpipe_resource *lpr, unsigned face, unsigned level, unsigned x, unsigned y) { uint i; assert(resource_is_texture(&lpr->base)); assert(x < lpr->tiles_per_row[level]); i = y * lpr->tiles_per_row[level] + x; return lpr->layout[face][level][i]; } static INLINE void llvmpipe_set_texture_tile_layout(struct llvmpipe_resource *lpr, unsigned face, 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 = y * lpr->tiles_per_row[level] + x; lpr->layout[face][level][i] = layout; } /** * Get pointer to a linear image 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, unsigned level, enum lp_texture_usage usage, unsigned x, unsigned y) { struct llvmpipe_texture_image *tiled_img = &lpr->tiled[level]; 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; assert(resource_is_texture(&lpr->base)); assert(x % TILE_SIZE == 0); assert(y % TILE_SIZE == 0); if (!linear_img->data) { /* allocate memory for the tiled image now */ unsigned buffer_size = tex_image_size(lpr, level, LP_TEX_LAYOUT_LINEAR); linear_img->data = align_malloc(buffer_size, 16); } cur_layout = llvmpipe_get_texture_tile_layout(lpr, face, level, tx, ty); layout_logic(cur_layout, LP_TEX_LAYOUT_LINEAR, usage, &new_layout, &convert); if (convert) { lp_tiled_to_linear(tiled_img->data, linear_img->data, x, y, TILE_SIZE, TILE_SIZE, lpr->base.format, lpr->stride[level]); } if (new_layout != cur_layout) llvmpipe_set_texture_tile_layout(lpr, face, level, tx, ty, new_layout); if (face > 0) { unsigned offset = face * tex_image_face_size(lpr, level, LP_TEX_LAYOUT_LINEAR); return (ubyte *) linear_img->data + offset; } else { return linear_img->data; } } /** * 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, unsigned level, enum lp_texture_usage usage, unsigned x, unsigned y) { const unsigned width = u_minify(lpr->base.width0, level); struct llvmpipe_texture_image *tiled_img = &lpr->tiled[level]; 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; assert(x % TILE_SIZE == 0); assert(y % TILE_SIZE == 0); if (!tiled_img->data) { /* allocate memory for the tiled image now */ unsigned buffer_size = tex_image_size(lpr, level, LP_TEX_LAYOUT_TILED); tiled_img->data = align_malloc(buffer_size, 16); } cur_layout = llvmpipe_get_texture_tile_layout(lpr, face, level, tx, ty); layout_logic(cur_layout, LP_TEX_LAYOUT_TILED, usage, &new_layout, &convert); if (convert) { lp_linear_to_tiled(linear_img->data, tiled_img->data, x, y, TILE_SIZE, TILE_SIZE, lpr->base.format, lpr->stride[level]); } if (new_layout != cur_layout) llvmpipe_set_texture_tile_layout(lpr, face, level, tx, ty, new_layout); /* compute, return address of the 64x64 tile */ { unsigned tiles_per_row, tile_offset, face_offset; tiles_per_row = align(width, TILE_SIZE) / TILE_SIZE; assert(tiles_per_row == lpr->tiles_per_row[level]); tile_offset = ty * tiles_per_row + tx; tile_offset *= TILE_SIZE * TILE_SIZE * 4; assert(tiled_img->data); face_offset = (face > 0) ? (face * tex_image_face_size(lpr, level, LP_TEX_LAYOUT_TILED)) : 0; return (ubyte *) tiled_img->data + face_offset + tile_offset; } } void llvmpipe_init_screen_resource_funcs(struct pipe_screen *screen) { screen->resource_create = llvmpipe_resource_create; 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->get_tex_surface = llvmpipe_get_tex_surface; screen->tex_surface_destroy = llvmpipe_tex_surface_destroy; } 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->is_resource_referenced = llvmpipe_is_resource_referenced; pipe->transfer_flush_region = u_default_transfer_flush_region; pipe->transfer_inline_write = u_default_transfer_inline_write; }