/* * Copyright 2010 Jerome Glisse * * 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 * on 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 * THE AUTHOR(S) AND/OR THEIR 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: * Jerome Glisse * Corbin Simpson */ #include "r600_formats.h" #include "r600d.h" #include #include "util/u_format_s3tc.h" #include "util/u_memory.h" /* Copy from a full GPU texture to a transfer's staging one. */ static void r600_copy_to_staging_texture(struct pipe_context *ctx, struct r600_transfer *rtransfer) { struct pipe_transfer *transfer = (struct pipe_transfer*)rtransfer; struct pipe_resource *texture = transfer->resource; ctx->resource_copy_region(ctx, &rtransfer->staging->b.b, 0, 0, 0, 0, texture, transfer->level, &transfer->box); } /* Copy from a transfer's staging texture to a full GPU one. */ static void r600_copy_from_staging_texture(struct pipe_context *ctx, struct r600_transfer *rtransfer) { struct pipe_transfer *transfer = (struct pipe_transfer*)rtransfer; struct pipe_resource *texture = transfer->resource; struct pipe_box sbox; u_box_origin_2d(transfer->box.width, transfer->box.height, &sbox); ctx->resource_copy_region(ctx, texture, transfer->level, transfer->box.x, transfer->box.y, transfer->box.z, &rtransfer->staging->b.b, 0, &sbox); } unsigned r600_texture_get_offset(struct r600_texture *rtex, unsigned level, unsigned layer) { return rtex->surface.level[level].offset + layer * rtex->surface.level[level].slice_size; } static int r600_init_surface(struct r600_screen *rscreen, struct radeon_surface *surface, const struct pipe_resource *ptex, unsigned array_mode, bool is_transfer, bool is_flushed_depth) { const struct util_format_description *desc = util_format_description(ptex->format); bool is_depth, is_stencil; is_depth = util_format_has_depth(desc); is_stencil = util_format_has_stencil(desc); surface->npix_x = ptex->width0; surface->npix_y = ptex->height0; surface->npix_z = ptex->depth0; surface->blk_w = util_format_get_blockwidth(ptex->format); surface->blk_h = util_format_get_blockheight(ptex->format); surface->blk_d = 1; surface->array_size = 1; surface->last_level = ptex->last_level; if (rscreen->chip_class >= EVERGREEN && !is_transfer && !is_flushed_depth && ptex->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) { surface->bpe = 4; /* stencil is allocated separately on evergreen */ } else { surface->bpe = util_format_get_blocksize(ptex->format); /* align byte per element on dword */ if (surface->bpe == 3) { surface->bpe = 4; } } surface->nsamples = ptex->nr_samples ? ptex->nr_samples : 1; surface->flags = 0; switch (array_mode) { case V_038000_ARRAY_1D_TILED_THIN1: surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE); break; case V_038000_ARRAY_2D_TILED_THIN1: surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE); break; case V_038000_ARRAY_LINEAR_ALIGNED: surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR_ALIGNED, MODE); break; case V_038000_ARRAY_LINEAR_GENERAL: default: surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR, MODE); break; } switch (ptex->target) { case PIPE_TEXTURE_1D: surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D, TYPE); break; case PIPE_TEXTURE_RECT: case PIPE_TEXTURE_2D: surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D, TYPE); break; case PIPE_TEXTURE_3D: surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_3D, TYPE); break; case PIPE_TEXTURE_1D_ARRAY: surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D_ARRAY, TYPE); surface->array_size = ptex->array_size; break; case PIPE_TEXTURE_2D_ARRAY: surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D_ARRAY, TYPE); surface->array_size = ptex->array_size; break; case PIPE_TEXTURE_CUBE: surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_CUBEMAP, TYPE); break; case PIPE_BUFFER: default: return -EINVAL; } if (ptex->bind & PIPE_BIND_SCANOUT) { surface->flags |= RADEON_SURF_SCANOUT; } if (!is_transfer && !is_flushed_depth && is_depth) { surface->flags |= RADEON_SURF_ZBUFFER; if (is_stencil) { surface->flags |= RADEON_SURF_SBUFFER; } } return 0; } static int r600_setup_surface(struct pipe_screen *screen, struct r600_texture *rtex, unsigned pitch_in_bytes_override) { struct pipe_resource *ptex = &rtex->resource.b.b; struct r600_screen *rscreen = (struct r600_screen*)screen; unsigned i; int r; r = rscreen->ws->surface_init(rscreen->ws, &rtex->surface); if (r) { return r; } rtex->size = rtex->surface.bo_size; if (pitch_in_bytes_override && pitch_in_bytes_override != rtex->surface.level[0].pitch_bytes) { /* old ddx on evergreen over estimate alignment for 1d, only 1 level * for those */ rtex->surface.level[0].nblk_x = pitch_in_bytes_override / rtex->surface.bpe; rtex->surface.level[0].pitch_bytes = pitch_in_bytes_override; rtex->surface.level[0].slice_size = pitch_in_bytes_override * rtex->surface.level[0].nblk_y; if (rtex->surface.flags & RADEON_SURF_SBUFFER) { rtex->surface.stencil_offset = rtex->surface.level[0].slice_size; } } for (i = 0; i <= ptex->last_level; i++) { switch (rtex->surface.level[i].mode) { case RADEON_SURF_MODE_LINEAR_ALIGNED: rtex->array_mode[i] = V_038000_ARRAY_LINEAR_ALIGNED; break; case RADEON_SURF_MODE_1D: rtex->array_mode[i] = V_038000_ARRAY_1D_TILED_THIN1; break; case RADEON_SURF_MODE_2D: rtex->array_mode[i] = V_038000_ARRAY_2D_TILED_THIN1; break; default: case RADEON_SURF_MODE_LINEAR: rtex->array_mode[i] = 0; break; } } return 0; } static boolean r600_texture_get_handle(struct pipe_screen* screen, struct pipe_resource *ptex, struct winsys_handle *whandle) { struct r600_texture *rtex = (struct r600_texture*)ptex; struct r600_resource *resource = &rtex->resource; struct radeon_surface *surface = &rtex->surface; struct r600_screen *rscreen = (struct r600_screen*)screen; rscreen->ws->buffer_set_tiling(resource->buf, NULL, surface->level[0].mode >= RADEON_SURF_MODE_1D ? RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR, surface->level[0].mode >= RADEON_SURF_MODE_2D ? RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR, surface->bankw, surface->bankh, surface->tile_split, surface->stencil_tile_split, surface->mtilea, rtex->surface.level[0].pitch_bytes); return rscreen->ws->buffer_get_handle(resource->buf, rtex->surface.level[0].pitch_bytes, whandle); } static void r600_texture_destroy(struct pipe_screen *screen, struct pipe_resource *ptex) { struct r600_texture *rtex = (struct r600_texture*)ptex; struct r600_resource *resource = &rtex->resource; if (rtex->flushed_depth_texture) pipe_resource_reference((struct pipe_resource **)&rtex->flushed_depth_texture, NULL); pb_reference(&resource->buf, NULL); FREE(rtex); } static const struct u_resource_vtbl r600_texture_vtbl = { r600_texture_get_handle, /* get_handle */ r600_texture_destroy, /* resource_destroy */ r600_texture_get_transfer, /* get_transfer */ r600_texture_transfer_destroy, /* transfer_destroy */ r600_texture_transfer_map, /* transfer_map */ NULL, /* transfer_flush_region */ r600_texture_transfer_unmap, /* transfer_unmap */ NULL /* transfer_inline_write */ }; static struct r600_texture * r600_texture_create_object(struct pipe_screen *screen, const struct pipe_resource *base, unsigned pitch_in_bytes_override, struct pb_buffer *buf, boolean alloc_bo, struct radeon_surface *surface) { struct r600_texture *rtex; struct r600_resource *resource; struct r600_screen *rscreen = (struct r600_screen*)screen; int r; rtex = CALLOC_STRUCT(r600_texture); if (rtex == NULL) return NULL; resource = &rtex->resource; resource->b.b = *base; resource->b.vtbl = &r600_texture_vtbl; pipe_reference_init(&resource->b.b.reference, 1); resource->b.b.screen = screen; rtex->pitch_override = pitch_in_bytes_override; /* don't include stencil-only formats which we don't support for rendering */ rtex->is_depth = util_format_has_depth(util_format_description(rtex->resource.b.b.format)); rtex->surface = *surface; r = r600_setup_surface(screen, rtex, pitch_in_bytes_override); if (r) { FREE(rtex); return NULL; } /* Now create the backing buffer. */ if (!buf && alloc_bo) { unsigned base_align = rtex->surface.bo_alignment; unsigned usage = R600_TEX_IS_TILED(rtex, 0) ? PIPE_USAGE_STATIC : base->usage; if (!r600_init_resource(rscreen, resource, rtex->size, base_align, base->bind, usage)) { FREE(rtex); return NULL; } } else if (buf) { resource->buf = buf; resource->cs_buf = rscreen->ws->buffer_get_cs_handle(buf); resource->domains = RADEON_DOMAIN_GTT | RADEON_DOMAIN_VRAM; } return rtex; } struct pipe_resource *r600_texture_create(struct pipe_screen *screen, const struct pipe_resource *templ) { struct r600_screen *rscreen = (struct r600_screen*)screen; struct radeon_surface surface; unsigned array_mode = 0; int r; if (!(templ->flags & R600_RESOURCE_FLAG_TRANSFER)) { if (!(templ->bind & PIPE_BIND_SCANOUT) && templ->usage != PIPE_USAGE_STAGING && templ->usage != PIPE_USAGE_STREAM) { array_mode = V_038000_ARRAY_2D_TILED_THIN1; } else if (util_format_is_compressed(templ->format)) { array_mode = V_038000_ARRAY_1D_TILED_THIN1; } } r = r600_init_surface(rscreen, &surface, templ, array_mode, templ->flags & R600_RESOURCE_FLAG_TRANSFER, templ->flags & R600_RESOURCE_FLAG_FLUSHED_DEPTH); if (r) { return NULL; } r = rscreen->ws->surface_best(rscreen->ws, &surface); if (r) { return NULL; } return (struct pipe_resource *)r600_texture_create_object(screen, templ, 0, NULL, TRUE, &surface); } static struct pipe_surface *r600_create_surface(struct pipe_context *pipe, struct pipe_resource *texture, const struct pipe_surface *templ) { struct r600_surface *surface = CALLOC_STRUCT(r600_surface); unsigned level = templ->u.tex.level; assert(templ->u.tex.first_layer == templ->u.tex.last_layer); if (surface == NULL) return NULL; pipe_reference_init(&surface->base.reference, 1); pipe_resource_reference(&surface->base.texture, texture); surface->base.context = pipe; surface->base.format = templ->format; surface->base.width = u_minify(texture->width0, level); surface->base.height = u_minify(texture->height0, level); surface->base.usage = templ->usage; surface->base.u = templ->u; return &surface->base; } static void r600_surface_destroy(struct pipe_context *pipe, struct pipe_surface *surface) { pipe_resource_reference(&surface->texture, NULL); FREE(surface); } struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen, const struct pipe_resource *templ, struct winsys_handle *whandle) { struct r600_screen *rscreen = (struct r600_screen*)screen; struct pb_buffer *buf = NULL; unsigned stride = 0; unsigned array_mode = 0; enum radeon_bo_layout micro, macro; struct radeon_surface surface; int r; /* Support only 2D textures without mipmaps */ if ((templ->target != PIPE_TEXTURE_2D && templ->target != PIPE_TEXTURE_RECT) || templ->depth0 != 1 || templ->last_level != 0) return NULL; buf = rscreen->ws->buffer_from_handle(rscreen->ws, whandle, &stride); if (!buf) return NULL; rscreen->ws->buffer_get_tiling(buf, µ, ¯o, &surface.bankw, &surface.bankh, &surface.tile_split, &surface.stencil_tile_split, &surface.mtilea); if (macro == RADEON_LAYOUT_TILED) array_mode = V_0280A0_ARRAY_2D_TILED_THIN1; else if (micro == RADEON_LAYOUT_TILED) array_mode = V_0280A0_ARRAY_1D_TILED_THIN1; else array_mode = 0; r = r600_init_surface(rscreen, &surface, templ, array_mode, false, false); if (r) { return NULL; } return (struct pipe_resource *)r600_texture_create_object(screen, templ, stride, buf, FALSE, &surface); } bool r600_init_flushed_depth_texture(struct pipe_context *ctx, struct pipe_resource *texture, struct r600_texture **staging) { struct r600_texture *rtex = (struct r600_texture*)texture; struct pipe_resource resource; struct r600_texture **flushed_depth_texture = staging ? staging : &rtex->flushed_depth_texture; if (!staging && rtex->flushed_depth_texture) return true; /* it's ready */ resource.target = texture->target; resource.format = texture->format; resource.width0 = texture->width0; resource.height0 = texture->height0; resource.depth0 = texture->depth0; resource.array_size = texture->array_size; resource.last_level = texture->last_level; resource.nr_samples = texture->nr_samples; resource.usage = staging ? PIPE_USAGE_STAGING : PIPE_USAGE_STATIC; resource.bind = texture->bind & ~PIPE_BIND_DEPTH_STENCIL; resource.flags = texture->flags | R600_RESOURCE_FLAG_FLUSHED_DEPTH; if (staging) resource.flags |= R600_RESOURCE_FLAG_TRANSFER; *flushed_depth_texture = (struct r600_texture *)ctx->screen->resource_create(ctx->screen, &resource); if (*flushed_depth_texture == NULL) { R600_ERR("failed to create temporary texture to hold flushed depth\n"); return false; } (*flushed_depth_texture)->is_flushing_texture = TRUE; return true; } /* Needs adjustment for pixelformat: */ static INLINE unsigned u_box_volume( const struct pipe_box *box ) { return box->width * box->depth * box->height; } struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx, struct pipe_resource *texture, unsigned level, unsigned usage, const struct pipe_box *box) { struct r600_context *rctx = (struct r600_context*)ctx; struct r600_texture *rtex = (struct r600_texture*)texture; struct pipe_resource resource; struct r600_transfer *trans; boolean use_staging_texture = FALSE; /* We cannot map a tiled texture directly because the data is * in a different order, therefore we do detiling using a blit. * * Also, use a temporary in GTT memory for read transfers, as * the CPU is much happier reading out of cached system memory * than uncached VRAM. */ if (R600_TEX_IS_TILED(rtex, level)) { use_staging_texture = TRUE; } if ((usage & PIPE_TRANSFER_READ) && u_box_volume(box) > 1024) use_staging_texture = TRUE; /* Use a staging texture for uploads if the underlying BO is busy. */ if (!(usage & PIPE_TRANSFER_READ) && (rctx->ws->cs_is_buffer_referenced(rctx->cs, rtex->resource.cs_buf, RADEON_USAGE_READWRITE) || rctx->ws->buffer_is_busy(rtex->resource.buf, RADEON_USAGE_READWRITE))) { use_staging_texture = TRUE; } if (texture->flags & R600_RESOURCE_FLAG_TRANSFER) { use_staging_texture = FALSE; } if (use_staging_texture && (usage & PIPE_TRANSFER_MAP_DIRECTLY)) { return NULL; } trans = CALLOC_STRUCT(r600_transfer); if (trans == NULL) return NULL; pipe_resource_reference(&trans->transfer.resource, texture); trans->transfer.level = level; trans->transfer.usage = usage; trans->transfer.box = *box; if (rtex->is_depth) { /* XXX: only readback the rectangle which is being mapped? */ /* XXX: when discard is true, no need to read back from depth texture */ struct r600_texture *staging_depth; if (!r600_init_flushed_depth_texture(ctx, texture, &staging_depth)) { R600_ERR("failed to create temporary texture to hold untiled copy\n"); pipe_resource_reference(&trans->transfer.resource, NULL); FREE(trans); return NULL; } r600_blit_uncompress_depth(ctx, rtex, staging_depth, level, level, box->z, box->z + box->depth - 1, 0, 0); trans->transfer.stride = staging_depth->surface.level[level].pitch_bytes; trans->offset = r600_texture_get_offset(staging_depth, level, box->z); trans->staging = (struct r600_resource*)staging_depth; return &trans->transfer; } else if (use_staging_texture) { resource.target = PIPE_TEXTURE_2D; resource.format = texture->format; resource.width0 = box->width; resource.height0 = box->height; resource.depth0 = 1; resource.array_size = 1; resource.last_level = 0; resource.nr_samples = 0; resource.usage = PIPE_USAGE_STAGING; resource.bind = 0; resource.flags = R600_RESOURCE_FLAG_TRANSFER; /* For texture reading, the temporary (detiled) texture is used as * a render target when blitting from a tiled texture. */ if (usage & PIPE_TRANSFER_READ) { resource.bind |= PIPE_BIND_RENDER_TARGET; } /* For texture writing, the temporary texture is used as a sampler * when blitting into a tiled texture. */ if (usage & PIPE_TRANSFER_WRITE) { resource.bind |= PIPE_BIND_SAMPLER_VIEW; } /* Create the temporary texture. */ trans->staging = (struct r600_resource*)ctx->screen->resource_create(ctx->screen, &resource); if (trans->staging == NULL) { R600_ERR("failed to create temporary texture to hold untiled copy\n"); pipe_resource_reference(&trans->transfer.resource, NULL); FREE(trans); return NULL; } trans->transfer.stride = ((struct r600_texture *)trans->staging)->surface.level[0].pitch_bytes; if (usage & PIPE_TRANSFER_READ) { r600_copy_to_staging_texture(ctx, trans); /* Always referenced in the blit. */ r600_flush(ctx, NULL, 0); } return &trans->transfer; } trans->transfer.stride = rtex->surface.level[level].pitch_bytes; trans->transfer.layer_stride = rtex->surface.level[level].slice_size; trans->offset = r600_texture_get_offset(rtex, level, box->z); return &trans->transfer; } void r600_texture_transfer_destroy(struct pipe_context *ctx, struct pipe_transfer *transfer) { struct r600_transfer *rtransfer = (struct r600_transfer*)transfer; struct pipe_resource *texture = transfer->resource; struct r600_texture *rtex = (struct r600_texture*)texture; if ((transfer->usage & PIPE_TRANSFER_WRITE) && rtransfer->staging) { if (rtex->is_depth) { ctx->resource_copy_region(ctx, texture, transfer->level, transfer->box.x, transfer->box.y, transfer->box.z, &rtransfer->staging->b.b, transfer->level, &transfer->box); } else { r600_copy_from_staging_texture(ctx, rtransfer); } } if (rtransfer->staging) pipe_resource_reference((struct pipe_resource**)&rtransfer->staging, NULL); pipe_resource_reference(&transfer->resource, NULL); FREE(transfer); } void* r600_texture_transfer_map(struct pipe_context *ctx, struct pipe_transfer* transfer) { struct r600_context *rctx = (struct r600_context *)ctx; struct r600_transfer *rtransfer = (struct r600_transfer*)transfer; struct radeon_winsys_cs_handle *buf; struct r600_texture *rtex = (struct r600_texture*)transfer->resource; enum pipe_format format = transfer->resource->format; unsigned offset = 0; char *map; if ((transfer->resource->bind & PIPE_BIND_GLOBAL) && transfer->resource->target == PIPE_BUFFER) { return r600_compute_global_transfer_map(ctx, transfer); } if (rtransfer->staging) { buf = ((struct r600_resource *)rtransfer->staging)->cs_buf; } else { buf = ((struct r600_resource *)transfer->resource)->cs_buf; } if (rtex->is_depth || !rtransfer->staging) offset = rtransfer->offset + transfer->box.y / util_format_get_blockheight(format) * transfer->stride + transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format); if (!(map = rctx->ws->buffer_map(buf, rctx->cs, transfer->usage))) { return NULL; } return map + offset; } void r600_texture_transfer_unmap(struct pipe_context *ctx, struct pipe_transfer* transfer) { struct r600_transfer *rtransfer = (struct r600_transfer*)transfer; struct r600_context *rctx = (struct r600_context*)ctx; struct radeon_winsys_cs_handle *buf; if ((transfer->resource->bind & PIPE_BIND_GLOBAL) && transfer->resource->target == PIPE_BUFFER) { return r600_compute_global_transfer_unmap(ctx, transfer); } if (rtransfer->staging) { buf = ((struct r600_resource *)rtransfer->staging)->cs_buf; } else { buf = ((struct r600_resource *)transfer->resource)->cs_buf; } rctx->ws->buffer_unmap(buf); } void r600_init_surface_functions(struct r600_context *r600) { r600->context.create_surface = r600_create_surface; r600->context.surface_destroy = r600_surface_destroy; } static unsigned r600_get_swizzle_combined(const unsigned char *swizzle_format, const unsigned char *swizzle_view) { unsigned i; unsigned char swizzle[4]; unsigned result = 0; const uint32_t swizzle_shift[4] = { 16, 19, 22, 25, }; const uint32_t swizzle_bit[4] = { 0, 1, 2, 3, }; if (swizzle_view) { util_format_compose_swizzles(swizzle_format, swizzle_view, swizzle); } else { memcpy(swizzle, swizzle_format, 4); } /* Get swizzle. */ for (i = 0; i < 4; i++) { switch (swizzle[i]) { case UTIL_FORMAT_SWIZZLE_Y: result |= swizzle_bit[1] << swizzle_shift[i]; break; case UTIL_FORMAT_SWIZZLE_Z: result |= swizzle_bit[2] << swizzle_shift[i]; break; case UTIL_FORMAT_SWIZZLE_W: result |= swizzle_bit[3] << swizzle_shift[i]; break; case UTIL_FORMAT_SWIZZLE_0: result |= V_038010_SQ_SEL_0 << swizzle_shift[i]; break; case UTIL_FORMAT_SWIZZLE_1: result |= V_038010_SQ_SEL_1 << swizzle_shift[i]; break; default: /* UTIL_FORMAT_SWIZZLE_X */ result |= swizzle_bit[0] << swizzle_shift[i]; } } return result; } /* texture format translate */ uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format, const unsigned char *swizzle_view, uint32_t *word4_p, uint32_t *yuv_format_p) { uint32_t result = 0, word4 = 0, yuv_format = 0; const struct util_format_description *desc; boolean uniform = TRUE; static int r600_enable_s3tc = -1; bool is_srgb_valid = FALSE; int i; const uint32_t sign_bit[4] = { S_038010_FORMAT_COMP_X(V_038010_SQ_FORMAT_COMP_SIGNED), S_038010_FORMAT_COMP_Y(V_038010_SQ_FORMAT_COMP_SIGNED), S_038010_FORMAT_COMP_Z(V_038010_SQ_FORMAT_COMP_SIGNED), S_038010_FORMAT_COMP_W(V_038010_SQ_FORMAT_COMP_SIGNED) }; desc = util_format_description(format); word4 |= r600_get_swizzle_combined(desc->swizzle, swizzle_view); /* Colorspace (return non-RGB formats directly). */ switch (desc->colorspace) { /* Depth stencil formats */ case UTIL_FORMAT_COLORSPACE_ZS: switch (format) { case PIPE_FORMAT_Z16_UNORM: result = FMT_16; goto out_word4; case PIPE_FORMAT_X24S8_UINT: word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT); case PIPE_FORMAT_Z24X8_UNORM: case PIPE_FORMAT_Z24_UNORM_S8_UINT: result = FMT_8_24; goto out_word4; case PIPE_FORMAT_S8X24_UINT: word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT); case PIPE_FORMAT_X8Z24_UNORM: case PIPE_FORMAT_S8_UINT_Z24_UNORM: result = FMT_24_8; goto out_word4; case PIPE_FORMAT_S8_UINT: result = FMT_8; word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT); goto out_word4; case PIPE_FORMAT_Z32_FLOAT: result = FMT_32_FLOAT; goto out_word4; case PIPE_FORMAT_X32_S8X24_UINT: word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT); case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: result = FMT_X24_8_32_FLOAT; goto out_word4; default: goto out_unknown; } case UTIL_FORMAT_COLORSPACE_YUV: yuv_format |= (1 << 30); switch (format) { case PIPE_FORMAT_UYVY: case PIPE_FORMAT_YUYV: default: break; } goto out_unknown; /* XXX */ case UTIL_FORMAT_COLORSPACE_SRGB: word4 |= S_038010_FORCE_DEGAMMA(1); break; default: break; } if (r600_enable_s3tc == -1) { struct r600_screen *rscreen = (struct r600_screen *)screen; if (rscreen->info.drm_minor >= 9) r600_enable_s3tc = 1; else r600_enable_s3tc = debug_get_bool_option("R600_ENABLE_S3TC", FALSE); } if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) { if (!r600_enable_s3tc) goto out_unknown; switch (format) { case PIPE_FORMAT_RGTC1_SNORM: case PIPE_FORMAT_LATC1_SNORM: word4 |= sign_bit[0]; case PIPE_FORMAT_RGTC1_UNORM: case PIPE_FORMAT_LATC1_UNORM: result = FMT_BC4; goto out_word4; case PIPE_FORMAT_RGTC2_SNORM: case PIPE_FORMAT_LATC2_SNORM: word4 |= sign_bit[0] | sign_bit[1]; case PIPE_FORMAT_RGTC2_UNORM: case PIPE_FORMAT_LATC2_UNORM: result = FMT_BC5; goto out_word4; default: goto out_unknown; } } if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { if (!r600_enable_s3tc) goto out_unknown; if (!util_format_s3tc_enabled) { goto out_unknown; } switch (format) { case PIPE_FORMAT_DXT1_RGB: case PIPE_FORMAT_DXT1_RGBA: case PIPE_FORMAT_DXT1_SRGB: case PIPE_FORMAT_DXT1_SRGBA: result = FMT_BC1; is_srgb_valid = TRUE; goto out_word4; case PIPE_FORMAT_DXT3_RGBA: case PIPE_FORMAT_DXT3_SRGBA: result = FMT_BC2; is_srgb_valid = TRUE; goto out_word4; case PIPE_FORMAT_DXT5_RGBA: case PIPE_FORMAT_DXT5_SRGBA: result = FMT_BC3; is_srgb_valid = TRUE; goto out_word4; default: goto out_unknown; } } if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) { switch (format) { case PIPE_FORMAT_R8G8_B8G8_UNORM: case PIPE_FORMAT_G8R8_B8R8_UNORM: result = FMT_GB_GR; goto out_word4; case PIPE_FORMAT_G8R8_G8B8_UNORM: case PIPE_FORMAT_R8G8_R8B8_UNORM: result = FMT_BG_RG; goto out_word4; default: goto out_unknown; } } if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) { result = FMT_5_9_9_9_SHAREDEXP; goto out_word4; } else if (format == PIPE_FORMAT_R11G11B10_FLOAT) { result = FMT_10_11_11_FLOAT; goto out_word4; } for (i = 0; i < desc->nr_channels; i++) { if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) { word4 |= sign_bit[i]; } } /* R8G8Bx_SNORM - XXX CxV8U8 */ /* See whether the components are of the same size. */ for (i = 1; i < desc->nr_channels; i++) { uniform = uniform && desc->channel[0].size == desc->channel[i].size; } /* Non-uniform formats. */ if (!uniform) { if (desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB && desc->channel[0].pure_integer) word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT); switch(desc->nr_channels) { case 3: if (desc->channel[0].size == 5 && desc->channel[1].size == 6 && desc->channel[2].size == 5) { result = FMT_5_6_5; goto out_word4; } goto out_unknown; case 4: if (desc->channel[0].size == 5 && desc->channel[1].size == 5 && desc->channel[2].size == 5 && desc->channel[3].size == 1) { result = FMT_1_5_5_5; goto out_word4; } if (desc->channel[0].size == 10 && desc->channel[1].size == 10 && desc->channel[2].size == 10 && desc->channel[3].size == 2) { result = FMT_2_10_10_10; goto out_word4; } goto out_unknown; } goto out_unknown; } /* Find the first non-VOID channel. */ for (i = 0; i < 4; i++) { if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { break; } } if (i == 4) goto out_unknown; /* uniform formats */ switch (desc->channel[i].type) { case UTIL_FORMAT_TYPE_UNSIGNED: case UTIL_FORMAT_TYPE_SIGNED: #if 0 if (!desc->channel[i].normalized && desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) { goto out_unknown; } #endif if (desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB && desc->channel[i].pure_integer) word4 |= S_038010_NUM_FORMAT_ALL(V_038010_SQ_NUM_FORMAT_INT); switch (desc->channel[i].size) { case 4: switch (desc->nr_channels) { case 2: result = FMT_4_4; goto out_word4; case 4: result = FMT_4_4_4_4; goto out_word4; } goto out_unknown; case 8: switch (desc->nr_channels) { case 1: result = FMT_8; goto out_word4; case 2: result = FMT_8_8; goto out_word4; case 4: result = FMT_8_8_8_8; is_srgb_valid = TRUE; goto out_word4; } goto out_unknown; case 16: switch (desc->nr_channels) { case 1: result = FMT_16; goto out_word4; case 2: result = FMT_16_16; goto out_word4; case 4: result = FMT_16_16_16_16; goto out_word4; } goto out_unknown; case 32: switch (desc->nr_channels) { case 1: result = FMT_32; goto out_word4; case 2: result = FMT_32_32; goto out_word4; case 4: result = FMT_32_32_32_32; goto out_word4; } } goto out_unknown; case UTIL_FORMAT_TYPE_FLOAT: switch (desc->channel[i].size) { case 16: switch (desc->nr_channels) { case 1: result = FMT_16_FLOAT; goto out_word4; case 2: result = FMT_16_16_FLOAT; goto out_word4; case 4: result = FMT_16_16_16_16_FLOAT; goto out_word4; } goto out_unknown; case 32: switch (desc->nr_channels) { case 1: result = FMT_32_FLOAT; goto out_word4; case 2: result = FMT_32_32_FLOAT; goto out_word4; case 4: result = FMT_32_32_32_32_FLOAT; goto out_word4; } } goto out_unknown; } out_word4: if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB && !is_srgb_valid) return ~0; if (word4_p) *word4_p = word4; if (yuv_format_p) *yuv_format_p = yuv_format; return result; out_unknown: /* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */ return ~0; }