diff options
Diffstat (limited to 'radeon/radeon_surface.c')
| -rw-r--r-- | radeon/radeon_surface.c | 2566 |
1 files changed, 2566 insertions, 0 deletions
diff --git a/radeon/radeon_surface.c b/radeon/radeon_surface.c new file mode 100644 index 0000000..ea0a27a --- /dev/null +++ b/radeon/radeon_surface.c @@ -0,0 +1,2566 @@ +/* + * Copyright © 2011 Red Hat 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 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 COPYRIGHT HOLDERS, AUTHORS + * 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + */ +/* + * Authors: + * Jérôme Glisse <jglisse@redhat.com> + */ +#include <stdbool.h> +#include <assert.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> +#include "drm.h" +#include "libdrm_macros.h" +#include "xf86drm.h" +#include "radeon_drm.h" +#include "radeon_surface.h" + +#define CIK_TILE_MODE_COLOR_2D 14 +#define CIK_TILE_MODE_COLOR_2D_SCANOUT 10 +#define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_64 0 +#define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_128 1 +#define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_256 2 +#define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_512 3 +#define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_ROW_SIZE 4 + +#define ALIGN(value, alignment) (((value) + alignment - 1) & ~(alignment - 1)) +#define MAX2(A, B) ((A) > (B) ? (A) : (B)) +#define MIN2(A, B) ((A) < (B) ? (A) : (B)) + +/* keep this private */ +enum radeon_family { + CHIP_UNKNOWN, + CHIP_R600, + CHIP_RV610, + CHIP_RV630, + CHIP_RV670, + CHIP_RV620, + CHIP_RV635, + CHIP_RS780, + CHIP_RS880, + CHIP_RV770, + CHIP_RV730, + CHIP_RV710, + CHIP_RV740, + CHIP_CEDAR, + CHIP_REDWOOD, + CHIP_JUNIPER, + CHIP_CYPRESS, + CHIP_HEMLOCK, + CHIP_PALM, + CHIP_SUMO, + CHIP_SUMO2, + CHIP_BARTS, + CHIP_TURKS, + CHIP_CAICOS, + CHIP_CAYMAN, + CHIP_ARUBA, + CHIP_TAHITI, + CHIP_PITCAIRN, + CHIP_VERDE, + CHIP_OLAND, + CHIP_HAINAN, + CHIP_BONAIRE, + CHIP_KAVERI, + CHIP_KABINI, + CHIP_HAWAII, + CHIP_MULLINS, + CHIP_LAST, +}; + +typedef int (*hw_init_surface_t)(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf); +typedef int (*hw_best_surface_t)(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf); + +struct radeon_hw_info { + /* apply to r6, eg */ + uint32_t group_bytes; + uint32_t num_banks; + uint32_t num_pipes; + /* apply to eg */ + uint32_t row_size; + unsigned allow_2d; + /* apply to si */ + uint32_t tile_mode_array[32]; + /* apply to cik */ + uint32_t macrotile_mode_array[16]; +}; + +struct radeon_surface_manager { + int fd; + uint32_t device_id; + struct radeon_hw_info hw_info; + unsigned family; + hw_init_surface_t surface_init; + hw_best_surface_t surface_best; +}; + +/* helper */ +static int radeon_get_value(int fd, unsigned req, uint32_t *value) +{ + struct drm_radeon_info info = {}; + int r; + + *value = 0; + info.request = req; + info.value = (uintptr_t)value; + r = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, + sizeof(struct drm_radeon_info)); + return r; +} + +static int radeon_get_family(struct radeon_surface_manager *surf_man) +{ + switch (surf_man->device_id) { +#define CHIPSET(pci_id, name, fam) case pci_id: surf_man->family = CHIP_##fam; break; +#include "r600_pci_ids.h" +#undef CHIPSET + default: + return -EINVAL; + } + return 0; +} + +static unsigned next_power_of_two(unsigned x) +{ + if (x <= 1) + return 1; + + return (1 << ((sizeof(unsigned) * 8) - __builtin_clz(x - 1))); +} + +static unsigned mip_minify(unsigned size, unsigned level) +{ + unsigned val; + + val = MAX2(1, size >> level); + if (level > 0) + val = next_power_of_two(val); + return val; +} + +static void surf_minify(struct radeon_surface *surf, + struct radeon_surface_level *surflevel, + unsigned bpe, unsigned level, + uint32_t xalign, uint32_t yalign, uint32_t zalign, + uint64_t offset) +{ + surflevel->npix_x = mip_minify(surf->npix_x, level); + surflevel->npix_y = mip_minify(surf->npix_y, level); + surflevel->npix_z = mip_minify(surf->npix_z, level); + surflevel->nblk_x = (surflevel->npix_x + surf->blk_w - 1) / surf->blk_w; + surflevel->nblk_y = (surflevel->npix_y + surf->blk_h - 1) / surf->blk_h; + surflevel->nblk_z = (surflevel->npix_z + surf->blk_d - 1) / surf->blk_d; + if (surf->nsamples == 1 && surflevel->mode == RADEON_SURF_MODE_2D && + !(surf->flags & RADEON_SURF_FMASK)) { + if (surflevel->nblk_x < xalign || surflevel->nblk_y < yalign) { + surflevel->mode = RADEON_SURF_MODE_1D; + return; + } + } + surflevel->nblk_x = ALIGN(surflevel->nblk_x, xalign); + surflevel->nblk_y = ALIGN(surflevel->nblk_y, yalign); + surflevel->nblk_z = ALIGN(surflevel->nblk_z, zalign); + + surflevel->offset = offset; + surflevel->pitch_bytes = surflevel->nblk_x * bpe * surf->nsamples; + surflevel->slice_size = (uint64_t)surflevel->pitch_bytes * surflevel->nblk_y; + + surf->bo_size = offset + surflevel->slice_size * surflevel->nblk_z * surf->array_size; +} + +/* =========================================================================== + * r600/r700 family + */ +static int r6_init_hw_info(struct radeon_surface_manager *surf_man) +{ + uint32_t tiling_config; + drmVersionPtr version; + int r; + + r = radeon_get_value(surf_man->fd, RADEON_INFO_TILING_CONFIG, + &tiling_config); + if (r) { + return r; + } + + surf_man->hw_info.allow_2d = 0; + version = drmGetVersion(surf_man->fd); + if (version && version->version_minor >= 14) { + surf_man->hw_info.allow_2d = 1; + } + drmFreeVersion(version); + + switch ((tiling_config & 0xe) >> 1) { + case 0: + surf_man->hw_info.num_pipes = 1; + break; + case 1: + surf_man->hw_info.num_pipes = 2; + break; + case 2: + surf_man->hw_info.num_pipes = 4; + break; + case 3: + surf_man->hw_info.num_pipes = 8; + break; + default: + surf_man->hw_info.num_pipes = 8; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0x30) >> 4) { + case 0: + surf_man->hw_info.num_banks = 4; + break; + case 1: + surf_man->hw_info.num_banks = 8; + break; + default: + surf_man->hw_info.num_banks = 8; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0xc0) >> 6) { + case 0: + surf_man->hw_info.group_bytes = 256; + break; + case 1: + surf_man->hw_info.group_bytes = 512; + break; + default: + surf_man->hw_info.group_bytes = 256; + surf_man->hw_info.allow_2d = 0; + break; + } + return 0; +} + +static int r6_surface_init_linear(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + uint64_t offset, unsigned start_level) +{ + uint32_t xalign, yalign, zalign; + unsigned i; + + /* compute alignment */ + if (!start_level) { + surf->bo_alignment = MAX2(256, surf_man->hw_info.group_bytes); + } + /* the 32 alignment is for scanout, cb or db but to allow texture to be + * easily bound as such we force this alignment to all surface + */ + xalign = MAX2(1, surf_man->hw_info.group_bytes / surf->bpe); + yalign = 1; + zalign = 1; + if (surf->flags & RADEON_SURF_SCANOUT) { + xalign = MAX2((surf->bpe == 1) ? 64 : 32, xalign); + } + + /* build mipmap tree */ + for (i = start_level; i <= surf->last_level; i++) { + surf->level[i].mode = RADEON_SURF_MODE_LINEAR; + surf_minify(surf, surf->level+i, surf->bpe, i, xalign, yalign, zalign, offset); + /* level0 and first mipmap need to have alignment */ + offset = surf->bo_size; + if (i == 0) { + offset = ALIGN(offset, surf->bo_alignment); + } + } + return 0; +} + +static int r6_surface_init_linear_aligned(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + uint64_t offset, unsigned start_level) +{ + uint32_t xalign, yalign, zalign; + unsigned i; + + /* compute alignment */ + if (!start_level) { + surf->bo_alignment = MAX2(256, surf_man->hw_info.group_bytes); + } + xalign = MAX2(64, surf_man->hw_info.group_bytes / surf->bpe); + yalign = 1; + zalign = 1; + + /* build mipmap tree */ + for (i = start_level; i <= surf->last_level; i++) { + surf->level[i].mode = RADEON_SURF_MODE_LINEAR_ALIGNED; + surf_minify(surf, surf->level+i, surf->bpe, i, xalign, yalign, zalign, offset); + /* level0 and first mipmap need to have alignment */ + offset = surf->bo_size; + if (i == 0) { + offset = ALIGN(offset, surf->bo_alignment); + } + } + return 0; +} + +static int r6_surface_init_1d(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + uint64_t offset, unsigned start_level) +{ + uint32_t xalign, yalign, zalign, tilew; + unsigned i; + + /* compute alignment */ + tilew = 8; + xalign = surf_man->hw_info.group_bytes / (tilew * surf->bpe * surf->nsamples); + xalign = MAX2(tilew, xalign); + yalign = tilew; + zalign = 1; + if (surf->flags & RADEON_SURF_SCANOUT) { + xalign = MAX2((surf->bpe == 1) ? 64 : 32, xalign); + } + if (!start_level) { + surf->bo_alignment = MAX2(256, surf_man->hw_info.group_bytes); + } + + /* build mipmap tree */ + for (i = start_level; i <= surf->last_level; i++) { + surf->level[i].mode = RADEON_SURF_MODE_1D; + surf_minify(surf, surf->level+i, surf->bpe, i, xalign, yalign, zalign, offset); + /* level0 and first mipmap need to have alignment */ + offset = surf->bo_size; + if (i == 0) { + offset = ALIGN(offset, surf->bo_alignment); + } + } + return 0; +} + +static int r6_surface_init_2d(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + uint64_t offset, unsigned start_level) +{ + uint32_t xalign, yalign, zalign, tilew; + unsigned i; + + /* compute alignment */ + tilew = 8; + zalign = 1; + xalign = (surf_man->hw_info.group_bytes * surf_man->hw_info.num_banks) / + (tilew * surf->bpe * surf->nsamples); + xalign = MAX2(tilew * surf_man->hw_info.num_banks, xalign); + if (surf->flags & RADEON_SURF_FMASK) + xalign = MAX2(128, xalign); + yalign = tilew * surf_man->hw_info.num_pipes; + if (surf->flags & RADEON_SURF_SCANOUT) { + xalign = MAX2((surf->bpe == 1) ? 64 : 32, xalign); + } + if (!start_level) { + surf->bo_alignment = + MAX2(surf_man->hw_info.num_pipes * + surf_man->hw_info.num_banks * + surf->nsamples * surf->bpe * 64, + xalign * yalign * surf->nsamples * surf->bpe); + } + + /* build mipmap tree */ + for (i = start_level; i <= surf->last_level; i++) { + surf->level[i].mode = RADEON_SURF_MODE_2D; + surf_minify(surf, surf->level+i, surf->bpe, i, xalign, yalign, zalign, offset); + if (surf->level[i].mode == RADEON_SURF_MODE_1D) { + return r6_surface_init_1d(surf_man, surf, offset, i); + } + /* level0 and first mipmap need to have alignment */ + offset = surf->bo_size; + if (i == 0) { + offset = ALIGN(offset, surf->bo_alignment); + } + } + return 0; +} + +static int r6_surface_init(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned mode; + int r; + + /* MSAA surfaces support the 2D mode only. */ + if (surf->nsamples > 1) { + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE); + } + + /* tiling mode */ + mode = (surf->flags >> RADEON_SURF_MODE_SHIFT) & RADEON_SURF_MODE_MASK; + + if (surf->flags & (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER)) { + /* zbuffer only support 1D or 2D tiled surface */ + switch (mode) { + case RADEON_SURF_MODE_1D: + case RADEON_SURF_MODE_2D: + break; + default: + mode = RADEON_SURF_MODE_1D; + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE); + break; + } + } + + /* force 1d on kernel that can't do 2d */ + if (!surf_man->hw_info.allow_2d && mode > RADEON_SURF_MODE_1D) { + if (surf->nsamples > 1) { + fprintf(stderr, "radeon: Cannot use 2D tiling for an MSAA surface (%i).\n", __LINE__); + return -EFAULT; + } + mode = RADEON_SURF_MODE_1D; + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(mode, MODE); + } + + /* check surface dimension */ + if (surf->npix_x > 8192 || surf->npix_y > 8192 || surf->npix_z > 8192) { + return -EINVAL; + } + + /* check mipmap last_level */ + if (surf->last_level > 14) { + return -EINVAL; + } + + /* check tiling mode */ + switch (mode) { + case RADEON_SURF_MODE_LINEAR: + r = r6_surface_init_linear(surf_man, surf, 0, 0); + break; + case RADEON_SURF_MODE_LINEAR_ALIGNED: + r = r6_surface_init_linear_aligned(surf_man, surf, 0, 0); + break; + case RADEON_SURF_MODE_1D: + r = r6_surface_init_1d(surf_man, surf, 0, 0); + break; + case RADEON_SURF_MODE_2D: + r = r6_surface_init_2d(surf_man, surf, 0, 0); + break; + default: + return -EINVAL; + } + return r; +} + +static int r6_surface_best(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + /* no value to optimize for r6xx/r7xx */ + return 0; +} + + +/* =========================================================================== + * evergreen family + */ +static int eg_init_hw_info(struct radeon_surface_manager *surf_man) +{ + uint32_t tiling_config; + drmVersionPtr version; + int r; + + r = radeon_get_value(surf_man->fd, RADEON_INFO_TILING_CONFIG, + &tiling_config); + if (r) { + return r; + } + + surf_man->hw_info.allow_2d = 0; + version = drmGetVersion(surf_man->fd); + if (version && version->version_minor >= 16) { + surf_man->hw_info.allow_2d = 1; + } + drmFreeVersion(version); + + switch (tiling_config & 0xf) { + case 0: + surf_man->hw_info.num_pipes = 1; + break; + case 1: + surf_man->hw_info.num_pipes = 2; + break; + case 2: + surf_man->hw_info.num_pipes = 4; + break; + case 3: + surf_man->hw_info.num_pipes = 8; + break; + default: + surf_man->hw_info.num_pipes = 8; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0xf0) >> 4) { + case 0: + surf_man->hw_info.num_banks = 4; + break; + case 1: + surf_man->hw_info.num_banks = 8; + break; + case 2: + surf_man->hw_info.num_banks = 16; + break; + default: + surf_man->hw_info.num_banks = 8; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0xf00) >> 8) { + case 0: + surf_man->hw_info.group_bytes = 256; + break; + case 1: + surf_man->hw_info.group_bytes = 512; + break; + default: + surf_man->hw_info.group_bytes = 256; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0xf000) >> 12) { + case 0: + surf_man->hw_info.row_size = 1024; + break; + case 1: + surf_man->hw_info.row_size = 2048; + break; + case 2: + surf_man->hw_info.row_size = 4096; + break; + default: + surf_man->hw_info.row_size = 4096; + surf_man->hw_info.allow_2d = 0; + break; + } + return 0; +} + +static void eg_surf_minify(struct radeon_surface *surf, + struct radeon_surface_level *surflevel, + unsigned bpe, + unsigned level, + unsigned slice_pt, + unsigned mtilew, + unsigned mtileh, + unsigned mtileb, + uint64_t offset) +{ + unsigned mtile_pr, mtile_ps; + + surflevel->npix_x = mip_minify(surf->npix_x, level); + surflevel->npix_y = mip_minify(surf->npix_y, level); + surflevel->npix_z = mip_minify(surf->npix_z, level); + surflevel->nblk_x = (surflevel->npix_x + surf->blk_w - 1) / surf->blk_w; + surflevel->nblk_y = (surflevel->npix_y + surf->blk_h - 1) / surf->blk_h; + surflevel->nblk_z = (surflevel->npix_z + surf->blk_d - 1) / surf->blk_d; + if (surf->nsamples == 1 && surflevel->mode == RADEON_SURF_MODE_2D && + !(surf->flags & RADEON_SURF_FMASK)) { + if (surflevel->nblk_x < mtilew || surflevel->nblk_y < mtileh) { + surflevel->mode = RADEON_SURF_MODE_1D; + return; + } + } + surflevel->nblk_x = ALIGN(surflevel->nblk_x, mtilew); + surflevel->nblk_y = ALIGN(surflevel->nblk_y, mtileh); + surflevel->nblk_z = ALIGN(surflevel->nblk_z, 1); + + /* macro tile per row */ + mtile_pr = surflevel->nblk_x / mtilew; + /* macro tile per slice */ + mtile_ps = (mtile_pr * surflevel->nblk_y) / mtileh; + + surflevel->offset = offset; + surflevel->pitch_bytes = surflevel->nblk_x * bpe * surf->nsamples; + surflevel->slice_size = (uint64_t)mtile_ps * mtileb * slice_pt; + + surf->bo_size = offset + surflevel->slice_size * surflevel->nblk_z * surf->array_size; +} + +static int eg_surface_init_1d(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + struct radeon_surface_level *level, + unsigned bpe, + uint64_t offset, unsigned start_level) +{ + uint32_t xalign, yalign, zalign, tilew; + unsigned i; + + /* compute alignment */ + tilew = 8; + xalign = surf_man->hw_info.group_bytes / (tilew * bpe * surf->nsamples); + xalign = MAX2(tilew, xalign); + yalign = tilew; + zalign = 1; + if (surf->flags & RADEON_SURF_SCANOUT) { + xalign = MAX2((bpe == 1) ? 64 : 32, xalign); + } + + if (!start_level) { + unsigned alignment = MAX2(256, surf_man->hw_info.group_bytes); + surf->bo_alignment = MAX2(surf->bo_alignment, alignment); + + if (offset) { + offset = ALIGN(offset, alignment); + } + } + + /* build mipmap tree */ + for (i = start_level; i <= surf->last_level; i++) { + level[i].mode = RADEON_SURF_MODE_1D; + surf_minify(surf, level+i, bpe, i, xalign, yalign, zalign, offset); + /* level0 and first mipmap need to have alignment */ + offset = surf->bo_size; + if (i == 0) { + offset = ALIGN(offset, surf->bo_alignment); + } + } + return 0; +} + +static int eg_surface_init_2d(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + struct radeon_surface_level *level, + unsigned bpe, unsigned tile_split, + uint64_t offset, unsigned start_level) +{ + unsigned tilew, tileh, tileb; + unsigned mtilew, mtileh, mtileb; + unsigned slice_pt; + unsigned i; + + /* compute tile values */ + tilew = 8; + tileh = 8; + tileb = tilew * tileh * bpe * surf->nsamples; + /* slices per tile */ + slice_pt = 1; + if (tileb > tile_split && tile_split) { + slice_pt = tileb / tile_split; + } + tileb = tileb / slice_pt; + + /* macro tile width & height */ + mtilew = (tilew * surf->bankw * surf_man->hw_info.num_pipes) * surf->mtilea; + mtileh = (tileh * surf->bankh * surf_man->hw_info.num_banks) / surf->mtilea; + /* macro tile bytes */ + mtileb = (mtilew / tilew) * (mtileh / tileh) * tileb; + + if (!start_level) { + unsigned alignment = MAX2(256, mtileb); + surf->bo_alignment = MAX2(surf->bo_alignment, alignment); + + if (offset) { + offset = ALIGN(offset, alignment); + } + } + + /* build mipmap tree */ + for (i = start_level; i <= surf->last_level; i++) { + level[i].mode = RADEON_SURF_MODE_2D; + eg_surf_minify(surf, level+i, bpe, i, slice_pt, mtilew, mtileh, mtileb, offset); + if (level[i].mode == RADEON_SURF_MODE_1D) { + return eg_surface_init_1d(surf_man, surf, level, bpe, offset, i); + } + /* level0 and first mipmap need to have alignment */ + offset = surf->bo_size; + if (i == 0) { + offset = ALIGN(offset, surf->bo_alignment); + } + } + return 0; +} + +static int eg_surface_sanity(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + unsigned mode) +{ + unsigned tileb; + + /* check surface dimension */ + if (surf->npix_x > 16384 || surf->npix_y > 16384 || surf->npix_z > 16384) { + return -EINVAL; + } + + /* check mipmap last_level */ + if (surf->last_level > 15) { + return -EINVAL; + } + + /* force 1d on kernel that can't do 2d */ + if (!surf_man->hw_info.allow_2d && mode > RADEON_SURF_MODE_1D) { + if (surf->nsamples > 1) { + fprintf(stderr, "radeon: Cannot use 2D tiling for an MSAA surface (%i).\n", __LINE__); + return -EFAULT; + } + mode = RADEON_SURF_MODE_1D; + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(mode, MODE); + } + + /* check tile split */ + if (mode == RADEON_SURF_MODE_2D) { + switch (surf->tile_split) { + case 64: + case 128: + case 256: + case 512: + case 1024: + case 2048: + case 4096: + break; + default: + return -EINVAL; + } + switch (surf->mtilea) { + case 1: + case 2: + case 4: + case 8: + break; + default: + return -EINVAL; + } + /* check aspect ratio */ + if (surf_man->hw_info.num_banks < surf->mtilea) { + return -EINVAL; + } + /* check bank width */ + switch (surf->bankw) { + case 1: + case 2: + case 4: + case 8: + break; + default: + return -EINVAL; + } + /* check bank height */ + switch (surf->bankh) { + case 1: + case 2: + case 4: + case 8: + break; + default: + return -EINVAL; + } + tileb = MIN2(surf->tile_split, 64 * surf->bpe * surf->nsamples); + if ((tileb * surf->bankh * surf->bankw) < surf_man->hw_info.group_bytes) { + return -EINVAL; + } + } + + return 0; +} + +static int eg_surface_init_1d_miptrees(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned zs_flags = RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER; + int r, is_depth_stencil = (surf->flags & zs_flags) == zs_flags; + /* Old libdrm_macros.headers didn't have stencil_level in it. This prevents crashes. */ + struct radeon_surface_level tmp[RADEON_SURF_MAX_LEVEL]; + struct radeon_surface_level *stencil_level = + (surf->flags & RADEON_SURF_HAS_SBUFFER_MIPTREE) ? surf->stencil_level : tmp; + + r = eg_surface_init_1d(surf_man, surf, surf->level, surf->bpe, 0, 0); + if (r) + return r; + + if (is_depth_stencil) { + r = eg_surface_init_1d(surf_man, surf, stencil_level, 1, + surf->bo_size, 0); + surf->stencil_offset = stencil_level[0].offset; + } + return r; +} + +static int eg_surface_init_2d_miptrees(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned zs_flags = RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER; + int r, is_depth_stencil = (surf->flags & zs_flags) == zs_flags; + /* Old libdrm_macros.headers didn't have stencil_level in it. This prevents crashes. */ + struct radeon_surface_level tmp[RADEON_SURF_MAX_LEVEL]; + struct radeon_surface_level *stencil_level = + (surf->flags & RADEON_SURF_HAS_SBUFFER_MIPTREE) ? surf->stencil_level : tmp; + + r = eg_surface_init_2d(surf_man, surf, surf->level, surf->bpe, + surf->tile_split, 0, 0); + if (r) + return r; + + if (is_depth_stencil) { + r = eg_surface_init_2d(surf_man, surf, stencil_level, 1, + surf->stencil_tile_split, surf->bo_size, 0); + surf->stencil_offset = stencil_level[0].offset; + } + return r; +} + +static int eg_surface_init(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned mode; + int r; + + /* MSAA surfaces support the 2D mode only. */ + if (surf->nsamples > 1) { + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE); + } + + /* tiling mode */ + mode = (surf->flags >> RADEON_SURF_MODE_SHIFT) & RADEON_SURF_MODE_MASK; + + if (surf->flags & (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER)) { + /* zbuffer only support 1D or 2D tiled surface */ + switch (mode) { + case RADEON_SURF_MODE_1D: + case RADEON_SURF_MODE_2D: + break; + default: + mode = RADEON_SURF_MODE_1D; + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE); + break; + } + } + + r = eg_surface_sanity(surf_man, surf, mode); + if (r) { + return r; + } + + surf->stencil_offset = 0; + surf->bo_alignment = 0; + + /* check tiling mode */ + switch (mode) { + case RADEON_SURF_MODE_LINEAR: + r = r6_surface_init_linear(surf_man, surf, 0, 0); + break; + case RADEON_SURF_MODE_LINEAR_ALIGNED: + r = r6_surface_init_linear_aligned(surf_man, surf, 0, 0); + break; + case RADEON_SURF_MODE_1D: + r = eg_surface_init_1d_miptrees(surf_man, surf); + break; + case RADEON_SURF_MODE_2D: + r = eg_surface_init_2d_miptrees(surf_man, surf); + break; + default: + return -EINVAL; + } + return r; +} + +static unsigned log2_int(unsigned x) +{ + unsigned l; + + if (x < 2) { + return 0; + } + for (l = 2; ; l++) { + if ((unsigned)(1 << l) > x) { + return l - 1; + } + } + return 0; +} + +/* compute best tile_split, bankw, bankh, mtilea + * depending on surface + */ +static int eg_surface_best(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned mode, tileb, h_over_w; + int r; + + /* tiling mode */ + mode = (surf->flags >> RADEON_SURF_MODE_SHIFT) & RADEON_SURF_MODE_MASK; + + /* set some default value to avoid sanity check choking on them */ + surf->tile_split = 1024; + surf->bankw = 1; + surf->bankh = 1; + surf->mtilea = surf_man->hw_info.num_banks; + tileb = MIN2(surf->tile_split, 64 * surf->bpe * surf->nsamples); + for (; surf->bankh <= 8; surf->bankh *= 2) { + if ((tileb * surf->bankh * surf->bankw) >= surf_man->hw_info.group_bytes) { + break; + } + } + if (surf->mtilea > 8) { + surf->mtilea = 8; + } + + r = eg_surface_sanity(surf_man, surf, mode); + if (r) { + return r; + } + + if (mode != RADEON_SURF_MODE_2D) { + /* nothing to do for non 2D tiled surface */ + return 0; + } + + /* Tweak TILE_SPLIT for performance here. */ + if (surf->nsamples > 1) { + if (surf->flags & (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER)) { + switch (surf->nsamples) { + case 2: + surf->tile_split = 128; + break; + case 4: + surf->tile_split = 128; + break; + case 8: + surf->tile_split = 256; + break; + case 16: /* cayman only */ + surf->tile_split = 512; + break; + default: + fprintf(stderr, "radeon: Wrong number of samples %i (%i)\n", + surf->nsamples, __LINE__); + return -EINVAL; + } + surf->stencil_tile_split = 64; + } else { + /* tile split must be >= 256 for colorbuffer surfaces, + * SAMPLE_SPLIT = tile_split / (bpe * 64), the optimal value is 2 + */ + surf->tile_split = MAX2(2 * surf->bpe * 64, 256); + if (surf->tile_split > 4096) + surf->tile_split = 4096; + } + } else { + /* set tile split to row size */ + surf->tile_split = surf_man->hw_info.row_size; + surf->stencil_tile_split = surf_man->hw_info.row_size / 2; + } + + /* bankw or bankh greater than 1 increase alignment requirement, not + * sure if it's worth using smaller bankw & bankh to stick with 2D + * tiling on small surface rather than falling back to 1D tiling. + * Use recommended value based on tile size for now. + * + * fmask buffer has different optimal value figure them out once we + * use it. + */ + if (surf->flags & RADEON_SURF_SBUFFER) { + /* assume 1 bytes for stencil, we optimize for stencil as stencil + * and depth shares surface values + */ + tileb = MIN2(surf->tile_split, 64 * surf->nsamples); + } else { + tileb = MIN2(surf->tile_split, 64 * surf->bpe * surf->nsamples); + } + + /* use bankw of 1 to minimize width alignment, might be interesting to + * increase it for large surface + */ + surf->bankw = 1; + switch (tileb) { + case 64: + surf->bankh = 4; + break; + case 128: + case 256: + surf->bankh = 2; + break; + default: + surf->bankh = 1; + break; + } + /* double check the constraint */ + for (; surf->bankh <= 8; surf->bankh *= 2) { + if ((tileb * surf->bankh * surf->bankw) >= surf_man->hw_info.group_bytes) { + break; + } + } + + h_over_w = (((surf->bankh * surf_man->hw_info.num_banks) << 16) / + (surf->bankw * surf_man->hw_info.num_pipes)) >> 16; + surf->mtilea = 1 << (log2_int(h_over_w) >> 1); + + return 0; +} + + +/* =========================================================================== + * Southern Islands family + */ +#define SI__GB_TILE_MODE__PIPE_CONFIG(x) (((x) >> 6) & 0x1f) +#define SI__PIPE_CONFIG__ADDR_SURF_P2 0 +#define SI__PIPE_CONFIG__ADDR_SURF_P4_8x16 4 +#define SI__PIPE_CONFIG__ADDR_SURF_P4_16x16 5 +#define SI__PIPE_CONFIG__ADDR_SURF_P4_16x32 6 +#define SI__PIPE_CONFIG__ADDR_SURF_P4_32x32 7 +#define SI__PIPE_CONFIG__ADDR_SURF_P8_16x16_8x16 8 +#define SI__PIPE_CONFIG__ADDR_SURF_P8_16x32_8x16 9 +#define SI__PIPE_CONFIG__ADDR_SURF_P8_32x32_8x16 10 +#define SI__PIPE_CONFIG__ADDR_SURF_P8_16x32_16x16 11 +#define SI__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x16 12 +#define SI__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x32 13 +#define SI__PIPE_CONFIG__ADDR_SURF_P8_32x64_32x32 14 +#define SI__GB_TILE_MODE__TILE_SPLIT(x) (((x) >> 11) & 0x7) +#define SI__TILE_SPLIT__64B 0 +#define SI__TILE_SPLIT__128B 1 +#define SI__TILE_SPLIT__256B 2 +#define SI__TILE_SPLIT__512B 3 +#define SI__TILE_SPLIT__1024B 4 +#define SI__TILE_SPLIT__2048B 5 +#define SI__TILE_SPLIT__4096B 6 +#define SI__GB_TILE_MODE__BANK_WIDTH(x) (((x) >> 14) & 0x3) +#define SI__BANK_WIDTH__1 0 +#define SI__BANK_WIDTH__2 1 +#define SI__BANK_WIDTH__4 2 +#define SI__BANK_WIDTH__8 3 +#define SI__GB_TILE_MODE__BANK_HEIGHT(x) (((x) >> 16) & 0x3) +#define SI__BANK_HEIGHT__1 0 +#define SI__BANK_HEIGHT__2 1 +#define SI__BANK_HEIGHT__4 2 +#define SI__BANK_HEIGHT__8 3 +#define SI__GB_TILE_MODE__MACRO_TILE_ASPECT(x) (((x) >> 18) & 0x3) +#define SI__MACRO_TILE_ASPECT__1 0 +#define SI__MACRO_TILE_ASPECT__2 1 +#define SI__MACRO_TILE_ASPECT__4 2 +#define SI__MACRO_TILE_ASPECT__8 3 +#define SI__GB_TILE_MODE__NUM_BANKS(x) (((x) >> 20) & 0x3) +#define SI__NUM_BANKS__2_BANK 0 +#define SI__NUM_BANKS__4_BANK 1 +#define SI__NUM_BANKS__8_BANK 2 +#define SI__NUM_BANKS__16_BANK 3 + + +static void si_gb_tile_mode(uint32_t gb_tile_mode, + unsigned *num_pipes, + unsigned *num_banks, + uint32_t *macro_tile_aspect, + uint32_t *bank_w, + uint32_t *bank_h, + uint32_t *tile_split) +{ + if (num_pipes) { + switch (SI__GB_TILE_MODE__PIPE_CONFIG(gb_tile_mode)) { + case SI__PIPE_CONFIG__ADDR_SURF_P2: + default: + *num_pipes = 2; + break; + case SI__PIPE_CONFIG__ADDR_SURF_P4_8x16: + case SI__PIPE_CONFIG__ADDR_SURF_P4_16x16: + case SI__PIPE_CONFIG__ADDR_SURF_P4_16x32: + case SI__PIPE_CONFIG__ADDR_SURF_P4_32x32: + *num_pipes = 4; + break; + case SI__PIPE_CONFIG__ADDR_SURF_P8_16x16_8x16: + case SI__PIPE_CONFIG__ADDR_SURF_P8_16x32_8x16: + case SI__PIPE_CONFIG__ADDR_SURF_P8_32x32_8x16: + case SI__PIPE_CONFIG__ADDR_SURF_P8_16x32_16x16: + case SI__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x16: + case SI__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x32: + case SI__PIPE_CONFIG__ADDR_SURF_P8_32x64_32x32: + *num_pipes = 8; + break; + } + } + if (num_banks) { + switch (SI__GB_TILE_MODE__NUM_BANKS(gb_tile_mode)) { + default: + case SI__NUM_BANKS__2_BANK: + *num_banks = 2; + break; + case SI__NUM_BANKS__4_BANK: + *num_banks = 4; + break; + case SI__NUM_BANKS__8_BANK: + *num_banks = 8; + break; + case SI__NUM_BANKS__16_BANK: + *num_banks = 16; + break; + } + } + if (macro_tile_aspect) { + switch (SI__GB_TILE_MODE__MACRO_TILE_ASPECT(gb_tile_mode)) { + default: + case SI__MACRO_TILE_ASPECT__1: + *macro_tile_aspect = 1; + break; + case SI__MACRO_TILE_ASPECT__2: + *macro_tile_aspect = 2; + break; + case SI__MACRO_TILE_ASPECT__4: + *macro_tile_aspect = 4; + break; + case SI__MACRO_TILE_ASPECT__8: + *macro_tile_aspect = 8; + break; + } + } + if (bank_w) { + switch (SI__GB_TILE_MODE__BANK_WIDTH(gb_tile_mode)) { + default: + case SI__BANK_WIDTH__1: + *bank_w = 1; + break; + case SI__BANK_WIDTH__2: + *bank_w = 2; + break; + case SI__BANK_WIDTH__4: + *bank_w = 4; + break; + case SI__BANK_WIDTH__8: + *bank_w = 8; + break; + } + } + if (bank_h) { + switch (SI__GB_TILE_MODE__BANK_HEIGHT(gb_tile_mode)) { + default: + case SI__BANK_HEIGHT__1: + *bank_h = 1; + break; + case SI__BANK_HEIGHT__2: + *bank_h = 2; + break; + case SI__BANK_HEIGHT__4: + *bank_h = 4; + break; + case SI__BANK_HEIGHT__8: + *bank_h = 8; + break; + } + } + if (tile_split) { + switch (SI__GB_TILE_MODE__TILE_SPLIT(gb_tile_mode)) { + default: + case SI__TILE_SPLIT__64B: + *tile_split = 64; + break; + case SI__TILE_SPLIT__128B: + *tile_split = 128; + break; + case SI__TILE_SPLIT__256B: + *tile_split = 256; + break; + case SI__TILE_SPLIT__512B: + *tile_split = 512; + break; + case SI__TILE_SPLIT__1024B: + *tile_split = 1024; + break; + case SI__TILE_SPLIT__2048B: + *tile_split = 2048; + break; + case SI__TILE_SPLIT__4096B: + *tile_split = 4096; + break; + } + } +} + +static int si_init_hw_info(struct radeon_surface_manager *surf_man) +{ + uint32_t tiling_config; + drmVersionPtr version; + int r; + + r = radeon_get_value(surf_man->fd, RADEON_INFO_TILING_CONFIG, + &tiling_config); + if (r) { + return r; + } + + surf_man->hw_info.allow_2d = 0; + version = drmGetVersion(surf_man->fd); + if (version && version->version_minor >= 33) { + if (!radeon_get_value(surf_man->fd, RADEON_INFO_SI_TILE_MODE_ARRAY, surf_man->hw_info.tile_mode_array)) { + surf_man->hw_info.allow_2d = 1; + } + } + drmFreeVersion(version); + + switch (tiling_config & 0xf) { + case 0: + surf_man->hw_info.num_pipes = 1; + break; + case 1: + surf_man->hw_info.num_pipes = 2; + break; + case 2: + surf_man->hw_info.num_pipes = 4; + break; + case 3: + surf_man->hw_info.num_pipes = 8; + break; + default: + surf_man->hw_info.num_pipes = 8; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0xf0) >> 4) { + case 0: + surf_man->hw_info.num_banks = 4; + break; + case 1: + surf_man->hw_info.num_banks = 8; + break; + case 2: + surf_man->hw_info.num_banks = 16; + break; + default: + surf_man->hw_info.num_banks = 8; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0xf00) >> 8) { + case 0: + surf_man->hw_info.group_bytes = 256; + break; + case 1: + surf_man->hw_info.group_bytes = 512; + break; + default: + surf_man->hw_info.group_bytes = 256; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0xf000) >> 12) { + case 0: + surf_man->hw_info.row_size = 1024; + break; + case 1: + surf_man->hw_info.row_size = 2048; + break; + case 2: + surf_man->hw_info.row_size = 4096; + break; + default: + surf_man->hw_info.row_size = 4096; + surf_man->hw_info.allow_2d = 0; + break; + } + return 0; +} + +static int si_surface_sanity(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + unsigned mode, unsigned *tile_mode, unsigned *stencil_tile_mode) +{ + uint32_t gb_tile_mode; + + /* check surface dimension */ + if (surf->npix_x > 16384 || surf->npix_y > 16384 || surf->npix_z > 16384) { + return -EINVAL; + } + + /* check mipmap last_level */ + if (surf->last_level > 15) { + return -EINVAL; + } + + /* force 1d on kernel that can't do 2d */ + if (mode > RADEON_SURF_MODE_1D && + (!surf_man->hw_info.allow_2d || !(surf->flags & RADEON_SURF_HAS_TILE_MODE_INDEX))) { + if (surf->nsamples > 1) { + fprintf(stderr, "radeon: Cannot use 1D tiling for an MSAA surface (%i).\n", __LINE__); + return -EFAULT; + } + mode = RADEON_SURF_MODE_1D; + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(mode, MODE); + } + + if (surf->nsamples > 1 && mode != RADEON_SURF_MODE_2D) { + return -EINVAL; + } + + if (!surf->tile_split) { + /* default value */ + surf->mtilea = 1; + surf->bankw = 1; + surf->bankh = 1; + surf->tile_split = 64; + surf->stencil_tile_split = 64; + } + + switch (mode) { + case RADEON_SURF_MODE_2D: + if (surf->flags & RADEON_SURF_SBUFFER) { + switch (surf->nsamples) { + case 1: + *stencil_tile_mode = SI_TILE_MODE_DEPTH_STENCIL_2D; + break; + case 2: + *stencil_tile_mode = SI_TILE_MODE_DEPTH_STENCIL_2D_2AA; + break; + case 4: + *stencil_tile_mode = SI_TILE_MODE_DEPTH_STENCIL_2D_4AA; + break; + case 8: + *stencil_tile_mode = SI_TILE_MODE_DEPTH_STENCIL_2D_8AA; + break; + default: + return -EINVAL; + } + /* retrieve tiling mode value */ + gb_tile_mode = surf_man->hw_info.tile_mode_array[*stencil_tile_mode]; + si_gb_tile_mode(gb_tile_mode, NULL, NULL, NULL, NULL, NULL, &surf->stencil_tile_split); + } + if (surf->flags & RADEON_SURF_ZBUFFER) { + switch (surf->nsamples) { + case 1: + *tile_mode = SI_TILE_MODE_DEPTH_STENCIL_2D; + break; + case 2: + *tile_mode = SI_TILE_MODE_DEPTH_STENCIL_2D_2AA; + break; + case 4: + *tile_mode = SI_TILE_MODE_DEPTH_STENCIL_2D_4AA; + break; + case 8: + *tile_mode = SI_TILE_MODE_DEPTH_STENCIL_2D_8AA; + break; + default: + return -EINVAL; + } + } else if (surf->flags & RADEON_SURF_SCANOUT) { + switch (surf->bpe) { + case 2: + *tile_mode = SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP; + break; + case 4: + *tile_mode = SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP; + break; + default: + return -EINVAL; + } + } else { + switch (surf->bpe) { + case 1: + *tile_mode = SI_TILE_MODE_COLOR_2D_8BPP; + break; + case 2: + *tile_mode = SI_TILE_MODE_COLOR_2D_16BPP; + break; + case 4: + *tile_mode = SI_TILE_MODE_COLOR_2D_32BPP; + break; + case 8: + case 16: + *tile_mode = SI_TILE_MODE_COLOR_2D_64BPP; + break; + default: + return -EINVAL; + } + } + /* retrieve tiling mode value */ + gb_tile_mode = surf_man->hw_info.tile_mode_array[*tile_mode]; + si_gb_tile_mode(gb_tile_mode, NULL, NULL, &surf->mtilea, &surf->bankw, &surf->bankh, &surf->tile_split); + break; + case RADEON_SURF_MODE_1D: + if (surf->flags & RADEON_SURF_SBUFFER) { + *stencil_tile_mode = SI_TILE_MODE_DEPTH_STENCIL_1D; + } + if (surf->flags & RADEON_SURF_ZBUFFER) { + *tile_mode = SI_TILE_MODE_DEPTH_STENCIL_1D; + } else if (surf->flags & RADEON_SURF_SCANOUT) { + *tile_mode = SI_TILE_MODE_COLOR_1D_SCANOUT; + } else { + *tile_mode = SI_TILE_MODE_COLOR_1D; + } + break; + case RADEON_SURF_MODE_LINEAR_ALIGNED: + default: + *tile_mode = SI_TILE_MODE_COLOR_LINEAR_ALIGNED; + } + + return 0; +} + +static void si_surf_minify(struct radeon_surface *surf, + struct radeon_surface_level *surflevel, + unsigned bpe, unsigned level, + uint32_t xalign, uint32_t yalign, uint32_t zalign, + uint32_t slice_align, uint64_t offset) +{ + if (level == 0) { + surflevel->npix_x = surf->npix_x; + } else { + surflevel->npix_x = mip_minify(next_power_of_two(surf->npix_x), level); + } + surflevel->npix_y = mip_minify(surf->npix_y, level); + surflevel->npix_z = mip_minify(surf->npix_z, level); + + if (level == 0 && surf->last_level > 0) { + surflevel->nblk_x = (next_power_of_two(surflevel->npix_x) + surf->blk_w - 1) / surf->blk_w; + surflevel->nblk_y = (next_power_of_two(surflevel->npix_y) + surf->blk_h - 1) / surf->blk_h; + surflevel->nblk_z = (next_power_of_two(surflevel->npix_z) + surf->blk_d - 1) / surf->blk_d; + } else { + surflevel->nblk_x = (surflevel->npix_x + surf->blk_w - 1) / surf->blk_w; + surflevel->nblk_y = (surflevel->npix_y + surf->blk_h - 1) / surf->blk_h; + surflevel->nblk_z = (surflevel->npix_z + surf->blk_d - 1) / surf->blk_d; + } + + surflevel->nblk_y = ALIGN(surflevel->nblk_y, yalign); + + /* XXX: Texture sampling uses unexpectedly large pitches in some cases, + * these are just guesses for the rules behind those + */ + if (level == 0 && surf->last_level == 0) + /* Non-mipmap pitch padded to slice alignment */ + /* Using just bpe here breaks stencil blitting; surf->bpe works. */ + xalign = MAX2(xalign, slice_align / surf->bpe); + else if (surflevel->mode == RADEON_SURF_MODE_LINEAR_ALIGNED) + /* Small rows evenly distributed across slice */ + xalign = MAX2(xalign, slice_align / bpe / surflevel->nblk_y); + + surflevel->nblk_x = ALIGN(surflevel->nblk_x, xalign); + surflevel->nblk_z = ALIGN(surflevel->nblk_z, zalign); + + surflevel->offset = offset; + surflevel->pitch_bytes = surflevel->nblk_x * bpe * surf->nsamples; + surflevel->slice_size = ALIGN((uint64_t)surflevel->pitch_bytes * surflevel->nblk_y, + (uint64_t)slice_align); + + surf->bo_size = offset + surflevel->slice_size * surflevel->nblk_z * surf->array_size; +} + +static void si_surf_minify_2d(struct radeon_surface *surf, + struct radeon_surface_level *surflevel, + unsigned bpe, unsigned level, unsigned slice_pt, + uint32_t xalign, uint32_t yalign, uint32_t zalign, + unsigned mtileb, uint64_t offset) +{ + unsigned mtile_pr, mtile_ps; + + if (level == 0) { + surflevel->npix_x = surf->npix_x; + } else { + surflevel->npix_x = mip_minify(next_power_of_two(surf->npix_x), level); + } + surflevel->npix_y = mip_minify(surf->npix_y, level); + surflevel->npix_z = mip_minify(surf->npix_z, level); + + if (level == 0 && surf->last_level > 0) { + surflevel->nblk_x = (next_power_of_two(surflevel->npix_x) + surf->blk_w - 1) / surf->blk_w; + surflevel->nblk_y = (next_power_of_two(surflevel->npix_y) + surf->blk_h - 1) / surf->blk_h; + surflevel->nblk_z = (next_power_of_two(surflevel->npix_z) + surf->blk_d - 1) / surf->blk_d; + } else { + surflevel->nblk_x = (surflevel->npix_x + surf->blk_w - 1) / surf->blk_w; + surflevel->nblk_y = (surflevel->npix_y + surf->blk_h - 1) / surf->blk_h; + surflevel->nblk_z = (surflevel->npix_z + surf->blk_d - 1) / surf->blk_d; + } + + if (surf->nsamples == 1 && surflevel->mode == RADEON_SURF_MODE_2D && + !(surf->flags & RADEON_SURF_FMASK)) { + if (surflevel->nblk_x < xalign || surflevel->nblk_y < yalign) { + surflevel->mode = RADEON_SURF_MODE_1D; + return; + } + } + surflevel->nblk_x = ALIGN(surflevel->nblk_x, xalign); + surflevel->nblk_y = ALIGN(surflevel->nblk_y, yalign); + surflevel->nblk_z = ALIGN(surflevel->nblk_z, zalign); + + /* macro tile per row */ + mtile_pr = surflevel->nblk_x / xalign; + /* macro tile per slice */ + mtile_ps = (mtile_pr * surflevel->nblk_y) / yalign; + surflevel->offset = offset; + surflevel->pitch_bytes = surflevel->nblk_x * bpe * surf->nsamples; + surflevel->slice_size = (uint64_t)mtile_ps * mtileb * slice_pt; + + surf->bo_size = offset + surflevel->slice_size * surflevel->nblk_z * surf->array_size; +} + +static int si_surface_init_linear_aligned(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + unsigned tile_mode, + uint64_t offset, unsigned start_level) +{ + uint32_t xalign, yalign, zalign, slice_align; + unsigned i; + + /* compute alignment */ + if (!start_level) { + surf->bo_alignment = MAX2(256, surf_man->hw_info.group_bytes); + } + xalign = MAX2(8, 64 / surf->bpe); + yalign = 1; + zalign = 1; + slice_align = MAX2(64 * surf->bpe, surf_man->hw_info.group_bytes); + + /* build mipmap tree */ + for (i = start_level; i <= surf->last_level; i++) { + surf->level[i].mode = RADEON_SURF_MODE_LINEAR_ALIGNED; + si_surf_minify(surf, surf->level+i, surf->bpe, i, xalign, yalign, zalign, slice_align, offset); + /* level0 and first mipmap need to have alignment */ + offset = surf->bo_size; + if (i == 0) { + offset = ALIGN(offset, surf->bo_alignment); + } + if (surf->flags & RADEON_SURF_HAS_TILE_MODE_INDEX) { + surf->tiling_index[i] = tile_mode; + } + } + return 0; +} + +static int si_surface_init_1d(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + struct radeon_surface_level *level, + unsigned bpe, unsigned tile_mode, + uint64_t offset, unsigned start_level) +{ + uint32_t xalign, yalign, zalign, slice_align; + unsigned alignment = MAX2(256, surf_man->hw_info.group_bytes); + unsigned i; + + /* compute alignment */ + xalign = 8; + yalign = 8; + zalign = 1; + slice_align = surf_man->hw_info.group_bytes; + if (surf->flags & RADEON_SURF_SCANOUT) { + xalign = MAX2((bpe == 1) ? 64 : 32, xalign); + } + + if (start_level <= 1) { + surf->bo_alignment = MAX2(surf->bo_alignment, alignment); + + if (offset) { + offset = ALIGN(offset, alignment); + } + } + + /* build mipmap tree */ + for (i = start_level; i <= surf->last_level; i++) { + level[i].mode = RADEON_SURF_MODE_1D; + si_surf_minify(surf, level+i, bpe, i, xalign, yalign, zalign, slice_align, offset); + /* level0 and first mipmap need to have alignment */ + offset = surf->bo_size; + if (i == 0) { + offset = ALIGN(offset, alignment); + } + if (surf->flags & RADEON_SURF_HAS_TILE_MODE_INDEX) { + if (surf->level == level) { + surf->tiling_index[i] = tile_mode; + /* it's ok because stencil is done after */ + surf->stencil_tiling_index[i] = tile_mode; + } else { + surf->stencil_tiling_index[i] = tile_mode; + } + } + } + return 0; +} + +static int si_surface_init_1d_miptrees(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + unsigned tile_mode, unsigned stencil_tile_mode) +{ + int r; + + r = si_surface_init_1d(surf_man, surf, surf->level, surf->bpe, tile_mode, 0, 0); + if (r) { + return r; + } + + if (surf->flags & RADEON_SURF_SBUFFER) { + r = si_surface_init_1d(surf_man, surf, surf->stencil_level, 1, stencil_tile_mode, surf->bo_size, 0); + surf->stencil_offset = surf->stencil_level[0].offset; + } + return r; +} + +static int si_surface_init_2d(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + struct radeon_surface_level *level, + unsigned bpe, unsigned tile_mode, + unsigned num_pipes, unsigned num_banks, + unsigned tile_split, + uint64_t offset, + unsigned start_level) +{ + uint64_t aligned_offset = offset; + unsigned tilew, tileh, tileb; + unsigned mtilew, mtileh, mtileb; + unsigned slice_pt; + unsigned i; + + /* compute tile values */ + tilew = 8; + tileh = 8; + tileb = tilew * tileh * bpe * surf->nsamples; + /* slices per tile */ + slice_pt = 1; + if (tileb > tile_split && tile_split) { + slice_pt = tileb / tile_split; + } + tileb = tileb / slice_pt; + + /* macro tile width & height */ + mtilew = (tilew * surf->bankw * num_pipes) * surf->mtilea; + mtileh = (tileh * surf->bankh * num_banks) / surf->mtilea; + + /* macro tile bytes */ + mtileb = (mtilew / tilew) * (mtileh / tileh) * tileb; + + if (start_level <= 1) { + unsigned alignment = MAX2(256, mtileb); + surf->bo_alignment = MAX2(surf->bo_alignment, alignment); + + if (aligned_offset) { + aligned_offset = ALIGN(aligned_offset, alignment); + } + } + + /* build mipmap tree */ + for (i = start_level; i <= surf->last_level; i++) { + level[i].mode = RADEON_SURF_MODE_2D; + si_surf_minify_2d(surf, level+i, bpe, i, slice_pt, mtilew, mtileh, 1, mtileb, aligned_offset); + if (level[i].mode == RADEON_SURF_MODE_1D) { + switch (tile_mode) { + case SI_TILE_MODE_COLOR_2D_8BPP: + case SI_TILE_MODE_COLOR_2D_16BPP: + case SI_TILE_MODE_COLOR_2D_32BPP: + case SI_TILE_MODE_COLOR_2D_64BPP: + tile_mode = SI_TILE_MODE_COLOR_1D; + break; + case SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP: + case SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP: + tile_mode = SI_TILE_MODE_COLOR_1D_SCANOUT; + break; + case SI_TILE_MODE_DEPTH_STENCIL_2D: + tile_mode = SI_TILE_MODE_DEPTH_STENCIL_1D; + break; + default: + return -EINVAL; + } + return si_surface_init_1d(surf_man, surf, level, bpe, tile_mode, offset, i); + } + /* level0 and first mipmap need to have alignment */ + aligned_offset = offset = surf->bo_size; + if (i == 0) { + aligned_offset = ALIGN(aligned_offset, surf->bo_alignment); + } + if (surf->flags & RADEON_SURF_HAS_TILE_MODE_INDEX) { + if (surf->level == level) { + surf->tiling_index[i] = tile_mode; + /* it's ok because stencil is done after */ + surf->stencil_tiling_index[i] = tile_mode; + } else { + surf->stencil_tiling_index[i] = tile_mode; + } + } + } + return 0; +} + +static int si_surface_init_2d_miptrees(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + unsigned tile_mode, unsigned stencil_tile_mode) +{ + unsigned num_pipes, num_banks; + uint32_t gb_tile_mode; + int r; + + /* retrieve tiling mode value */ + gb_tile_mode = surf_man->hw_info.tile_mode_array[tile_mode]; + si_gb_tile_mode(gb_tile_mode, &num_pipes, &num_banks, NULL, NULL, NULL, NULL); + + r = si_surface_init_2d(surf_man, surf, surf->level, surf->bpe, tile_mode, num_pipes, num_banks, surf->tile_split, 0, 0); + if (r) { + return r; + } + + if (surf->flags & RADEON_SURF_SBUFFER) { + r = si_surface_init_2d(surf_man, surf, surf->stencil_level, 1, stencil_tile_mode, num_pipes, num_banks, surf->stencil_tile_split, surf->bo_size, 0); + surf->stencil_offset = surf->stencil_level[0].offset; + } + return r; +} + +static int si_surface_init(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned mode, tile_mode, stencil_tile_mode; + int r; + + /* MSAA surfaces support the 2D mode only. */ + if (surf->nsamples > 1) { + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE); + } + + /* tiling mode */ + mode = (surf->flags >> RADEON_SURF_MODE_SHIFT) & RADEON_SURF_MODE_MASK; + + if (surf->flags & (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER)) { + /* zbuffer only support 1D or 2D tiled surface */ + switch (mode) { + case RADEON_SURF_MODE_1D: + case RADEON_SURF_MODE_2D: + break; + default: + mode = RADEON_SURF_MODE_1D; + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE); + break; + } + } + + r = si_surface_sanity(surf_man, surf, mode, &tile_mode, &stencil_tile_mode); + if (r) { + return r; + } + + surf->stencil_offset = 0; + surf->bo_alignment = 0; + + /* check tiling mode */ + switch (mode) { + case RADEON_SURF_MODE_LINEAR: + r = r6_surface_init_linear(surf_man, surf, 0, 0); + break; + case RADEON_SURF_MODE_LINEAR_ALIGNED: + r = si_surface_init_linear_aligned(surf_man, surf, tile_mode, 0, 0); + break; + case RADEON_SURF_MODE_1D: + r = si_surface_init_1d_miptrees(surf_man, surf, tile_mode, stencil_tile_mode); + break; + case RADEON_SURF_MODE_2D: + r = si_surface_init_2d_miptrees(surf_man, surf, tile_mode, stencil_tile_mode); + break; + default: + return -EINVAL; + } + return r; +} + +/* + * depending on surface + */ +static int si_surface_best(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned mode, tile_mode, stencil_tile_mode; + + /* tiling mode */ + mode = (surf->flags >> RADEON_SURF_MODE_SHIFT) & RADEON_SURF_MODE_MASK; + + if (surf->flags & (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER) && + !(surf->flags & RADEON_SURF_HAS_TILE_MODE_INDEX)) { + /* depth/stencil force 1d tiling for old mesa */ + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE); + } + + return si_surface_sanity(surf_man, surf, mode, &tile_mode, &stencil_tile_mode); +} + + +/* =========================================================================== + * Sea Islands family + */ +#define CIK__GB_TILE_MODE__PIPE_CONFIG(x) (((x) >> 6) & 0x1f) +#define CIK__PIPE_CONFIG__ADDR_SURF_P2 0 +#define CIK__PIPE_CONFIG__ADDR_SURF_P4_8x16 4 +#define CIK__PIPE_CONFIG__ADDR_SURF_P4_16x16 5 +#define CIK__PIPE_CONFIG__ADDR_SURF_P4_16x32 6 +#define CIK__PIPE_CONFIG__ADDR_SURF_P4_32x32 7 +#define CIK__PIPE_CONFIG__ADDR_SURF_P8_16x16_8x16 8 +#define CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_8x16 9 +#define CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_8x16 10 +#define CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_16x16 11 +#define CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x16 12 +#define CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x32 13 +#define CIK__PIPE_CONFIG__ADDR_SURF_P8_32x64_32x32 14 +#define CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_8X16 16 +#define CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_16X16 17 +#define CIK__GB_TILE_MODE__TILE_SPLIT(x) (((x) >> 11) & 0x7) +#define CIK__TILE_SPLIT__64B 0 +#define CIK__TILE_SPLIT__128B 1 +#define CIK__TILE_SPLIT__256B 2 +#define CIK__TILE_SPLIT__512B 3 +#define CIK__TILE_SPLIT__1024B 4 +#define CIK__TILE_SPLIT__2048B 5 +#define CIK__TILE_SPLIT__4096B 6 +#define CIK__GB_TILE_MODE__SAMPLE_SPLIT(x) (((x) >> 25) & 0x3) +#define CIK__SAMPLE_SPLIT__1 0 +#define CIK__SAMPLE_SPLIT__2 1 +#define CIK__SAMPLE_SPLIT__4 2 +#define CIK__SAMPLE_SPLIT__8 3 +#define CIK__GB_MACROTILE_MODE__BANK_WIDTH(x) ((x) & 0x3) +#define CIK__BANK_WIDTH__1 0 +#define CIK__BANK_WIDTH__2 1 +#define CIK__BANK_WIDTH__4 2 +#define CIK__BANK_WIDTH__8 3 +#define CIK__GB_MACROTILE_MODE__BANK_HEIGHT(x) (((x) >> 2) & 0x3) +#define CIK__BANK_HEIGHT__1 0 +#define CIK__BANK_HEIGHT__2 1 +#define CIK__BANK_HEIGHT__4 2 +#define CIK__BANK_HEIGHT__8 3 +#define CIK__GB_MACROTILE_MODE__MACRO_TILE_ASPECT(x) (((x) >> 4) & 0x3) +#define CIK__MACRO_TILE_ASPECT__1 0 +#define CIK__MACRO_TILE_ASPECT__2 1 +#define CIK__MACRO_TILE_ASPECT__4 2 +#define CIK__MACRO_TILE_ASPECT__8 3 +#define CIK__GB_MACROTILE_MODE__NUM_BANKS(x) (((x) >> 6) & 0x3) +#define CIK__NUM_BANKS__2_BANK 0 +#define CIK__NUM_BANKS__4_BANK 1 +#define CIK__NUM_BANKS__8_BANK 2 +#define CIK__NUM_BANKS__16_BANK 3 + + +static void cik_get_2d_params(struct radeon_surface_manager *surf_man, + unsigned bpe, unsigned nsamples, bool is_color, + unsigned tile_mode, + uint32_t *num_pipes, + uint32_t *tile_split_ptr, + uint32_t *num_banks, + uint32_t *macro_tile_aspect, + uint32_t *bank_w, + uint32_t *bank_h) +{ + uint32_t gb_tile_mode = surf_man->hw_info.tile_mode_array[tile_mode]; + unsigned tileb_1x, tileb; + unsigned gb_macrotile_mode; + unsigned macrotile_index; + unsigned tile_split, sample_split; + + if (num_pipes) { + switch (CIK__GB_TILE_MODE__PIPE_CONFIG(gb_tile_mode)) { + case CIK__PIPE_CONFIG__ADDR_SURF_P2: + default: + *num_pipes = 2; + break; + case CIK__PIPE_CONFIG__ADDR_SURF_P4_8x16: + case CIK__PIPE_CONFIG__ADDR_SURF_P4_16x16: + case CIK__PIPE_CONFIG__ADDR_SURF_P4_16x32: + case CIK__PIPE_CONFIG__ADDR_SURF_P4_32x32: + *num_pipes = 4; + break; + case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x16_8x16: + case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_8x16: + case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_8x16: + case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_16x16: + case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x16: + case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x32: + case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x64_32x32: + *num_pipes = 8; + break; + case CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_8X16: + case CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_16X16: + *num_pipes = 16; + break; + } + } + switch (CIK__GB_TILE_MODE__TILE_SPLIT(gb_tile_mode)) { + default: + case CIK__TILE_SPLIT__64B: + tile_split = 64; + break; + case CIK__TILE_SPLIT__128B: + tile_split = 128; + break; + case CIK__TILE_SPLIT__256B: + tile_split = 256; + break; + case CIK__TILE_SPLIT__512B: + tile_split = 512; + break; + case CIK__TILE_SPLIT__1024B: + tile_split = 1024; + break; + case CIK__TILE_SPLIT__2048B: + tile_split = 2048; + break; + case CIK__TILE_SPLIT__4096B: + tile_split = 4096; + break; + } + switch (CIK__GB_TILE_MODE__SAMPLE_SPLIT(gb_tile_mode)) { + default: + case CIK__SAMPLE_SPLIT__1: + sample_split = 1; + break; + case CIK__SAMPLE_SPLIT__2: + sample_split = 2; + break; + case CIK__SAMPLE_SPLIT__4: + sample_split = 4; + break; + case CIK__SAMPLE_SPLIT__8: + sample_split = 8; + break; + } + + /* Adjust the tile split. */ + tileb_1x = 8 * 8 * bpe; + if (is_color) { + tile_split = MAX2(256, sample_split * tileb_1x); + } + tile_split = MIN2(surf_man->hw_info.row_size, tile_split); + + /* Determine the macrotile index. */ + tileb = MIN2(tile_split, nsamples * tileb_1x); + + for (macrotile_index = 0; tileb > 64; macrotile_index++) { + tileb >>= 1; + } + gb_macrotile_mode = surf_man->hw_info.macrotile_mode_array[macrotile_index]; + + if (tile_split_ptr) { + *tile_split_ptr = tile_split; + } + if (num_banks) { + switch (CIK__GB_MACROTILE_MODE__NUM_BANKS(gb_macrotile_mode)) { + default: + case CIK__NUM_BANKS__2_BANK: + *num_banks = 2; + break; + case CIK__NUM_BANKS__4_BANK: + *num_banks = 4; + break; + case CIK__NUM_BANKS__8_BANK: + *num_banks = 8; + break; + case CIK__NUM_BANKS__16_BANK: + *num_banks = 16; + break; + } + } + if (macro_tile_aspect) { + switch (CIK__GB_MACROTILE_MODE__MACRO_TILE_ASPECT(gb_macrotile_mode)) { + default: + case CIK__MACRO_TILE_ASPECT__1: + *macro_tile_aspect = 1; + break; + case CIK__MACRO_TILE_ASPECT__2: + *macro_tile_aspect = 2; + break; + case CIK__MACRO_TILE_ASPECT__4: + *macro_tile_aspect = 4; + break; + case CIK__MACRO_TILE_ASPECT__8: + *macro_tile_aspect = 8; + break; + } + } + if (bank_w) { + switch (CIK__GB_MACROTILE_MODE__BANK_WIDTH(gb_macrotile_mode)) { + default: + case CIK__BANK_WIDTH__1: + *bank_w = 1; + break; + case CIK__BANK_WIDTH__2: + *bank_w = 2; + break; + case CIK__BANK_WIDTH__4: + *bank_w = 4; + break; + case CIK__BANK_WIDTH__8: + *bank_w = 8; + break; + } + } + if (bank_h) { + switch (CIK__GB_MACROTILE_MODE__BANK_HEIGHT(gb_macrotile_mode)) { + default: + case CIK__BANK_HEIGHT__1: + *bank_h = 1; + break; + case CIK__BANK_HEIGHT__2: + *bank_h = 2; + break; + case CIK__BANK_HEIGHT__4: + *bank_h = 4; + break; + case CIK__BANK_HEIGHT__8: + *bank_h = 8; + break; + } + } +} + +static int cik_init_hw_info(struct radeon_surface_manager *surf_man) +{ + uint32_t tiling_config; + drmVersionPtr version; + int r; + + r = radeon_get_value(surf_man->fd, RADEON_INFO_TILING_CONFIG, + &tiling_config); + if (r) { + return r; + } + + surf_man->hw_info.allow_2d = 0; + version = drmGetVersion(surf_man->fd); + if (version && version->version_minor >= 35) { + if (!radeon_get_value(surf_man->fd, RADEON_INFO_SI_TILE_MODE_ARRAY, surf_man->hw_info.tile_mode_array) && + !radeon_get_value(surf_man->fd, RADEON_INFO_CIK_MACROTILE_MODE_ARRAY, surf_man->hw_info.macrotile_mode_array)) { + surf_man->hw_info.allow_2d = 1; + } + } + drmFreeVersion(version); + + switch (tiling_config & 0xf) { + case 0: + surf_man->hw_info.num_pipes = 1; + break; + case 1: + surf_man->hw_info.num_pipes = 2; + break; + case 2: + surf_man->hw_info.num_pipes = 4; + break; + case 3: + surf_man->hw_info.num_pipes = 8; + break; + default: + surf_man->hw_info.num_pipes = 8; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0xf0) >> 4) { + case 0: + surf_man->hw_info.num_banks = 4; + break; + case 1: + surf_man->hw_info.num_banks = 8; + break; + case 2: + surf_man->hw_info.num_banks = 16; + break; + default: + surf_man->hw_info.num_banks = 8; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0xf00) >> 8) { + case 0: + surf_man->hw_info.group_bytes = 256; + break; + case 1: + surf_man->hw_info.group_bytes = 512; + break; + default: + surf_man->hw_info.group_bytes = 256; + surf_man->hw_info.allow_2d = 0; + break; + } + + switch ((tiling_config & 0xf000) >> 12) { + case 0: + surf_man->hw_info.row_size = 1024; + break; + case 1: + surf_man->hw_info.row_size = 2048; + break; + case 2: + surf_man->hw_info.row_size = 4096; + break; + default: + surf_man->hw_info.row_size = 4096; + surf_man->hw_info.allow_2d = 0; + break; + } + return 0; +} + +static int cik_surface_sanity(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + unsigned mode, unsigned *tile_mode, unsigned *stencil_tile_mode) +{ + /* check surface dimension */ + if (surf->npix_x > 16384 || surf->npix_y > 16384 || surf->npix_z > 16384) { + return -EINVAL; + } + + /* check mipmap last_level */ + if (surf->last_level > 15) { + return -EINVAL; + } + + /* force 1d on kernel that can't do 2d */ + if (mode > RADEON_SURF_MODE_1D && + (!surf_man->hw_info.allow_2d || !(surf->flags & RADEON_SURF_HAS_TILE_MODE_INDEX))) { + if (surf->nsamples > 1) { + fprintf(stderr, "radeon: Cannot use 1D tiling for an MSAA surface (%i).\n", __LINE__); + return -EFAULT; + } + mode = RADEON_SURF_MODE_1D; + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(mode, MODE); + } + + if (surf->nsamples > 1 && mode != RADEON_SURF_MODE_2D) { + return -EINVAL; + } + + if (!surf->tile_split) { + /* default value */ + surf->mtilea = 1; + surf->bankw = 1; + surf->bankh = 1; + surf->tile_split = 64; + surf->stencil_tile_split = 64; + } + + switch (mode) { + case RADEON_SURF_MODE_2D: { + if (surf->flags & RADEON_SURF_Z_OR_SBUFFER) { + switch (surf->nsamples) { + case 1: + *tile_mode = CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_64; + break; + case 2: + case 4: + *tile_mode = CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_128; + break; + case 8: + *tile_mode = CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_256; + break; + default: + return -EINVAL; + } + + if (surf->flags & RADEON_SURF_SBUFFER) { + *stencil_tile_mode = *tile_mode; + + cik_get_2d_params(surf_man, 1, surf->nsamples, false, + *stencil_tile_mode, NULL, + &surf->stencil_tile_split, + NULL, NULL, NULL, NULL); + } + } else if (surf->flags & RADEON_SURF_SCANOUT) { + *tile_mode = CIK_TILE_MODE_COLOR_2D_SCANOUT; + } else { + *tile_mode = CIK_TILE_MODE_COLOR_2D; + } + + /* retrieve tiling mode values */ + cik_get_2d_params(surf_man, surf->bpe, surf->nsamples, + !(surf->flags & RADEON_SURF_Z_OR_SBUFFER), *tile_mode, + NULL, &surf->tile_split, NULL, &surf->mtilea, + &surf->bankw, &surf->bankh); + break; + } + case RADEON_SURF_MODE_1D: + if (surf->flags & RADEON_SURF_SBUFFER) { + *stencil_tile_mode = CIK_TILE_MODE_DEPTH_STENCIL_1D; + } + if (surf->flags & RADEON_SURF_ZBUFFER) { + *tile_mode = CIK_TILE_MODE_DEPTH_STENCIL_1D; + } else if (surf->flags & RADEON_SURF_SCANOUT) { + *tile_mode = SI_TILE_MODE_COLOR_1D_SCANOUT; + } else { + *tile_mode = SI_TILE_MODE_COLOR_1D; + } + break; + case RADEON_SURF_MODE_LINEAR_ALIGNED: + default: + *tile_mode = SI_TILE_MODE_COLOR_LINEAR_ALIGNED; + } + + return 0; +} + +static int cik_surface_init_2d(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + struct radeon_surface_level *level, + unsigned bpe, unsigned tile_mode, + unsigned tile_split, + unsigned num_pipes, unsigned num_banks, + uint64_t offset, + unsigned start_level) +{ + uint64_t aligned_offset = offset; + unsigned tilew, tileh, tileb_1x, tileb; + unsigned mtilew, mtileh, mtileb; + unsigned slice_pt; + unsigned i; + + /* compute tile values */ + tilew = 8; + tileh = 8; + tileb_1x = tilew * tileh * bpe; + + tile_split = MIN2(surf_man->hw_info.row_size, tile_split); + + tileb = surf->nsamples * tileb_1x; + + /* slices per tile */ + slice_pt = 1; + if (tileb > tile_split && tile_split) { + slice_pt = tileb / tile_split; + tileb = tileb / slice_pt; + } + + /* macro tile width & height */ + mtilew = (tilew * surf->bankw * num_pipes) * surf->mtilea; + mtileh = (tileh * surf->bankh * num_banks) / surf->mtilea; + + /* macro tile bytes */ + mtileb = (mtilew / tilew) * (mtileh / tileh) * tileb; + + if (start_level <= 1) { + unsigned alignment = MAX2(256, mtileb); + surf->bo_alignment = MAX2(surf->bo_alignment, alignment); + + if (aligned_offset) { + aligned_offset = ALIGN(aligned_offset, alignment); + } + } + + /* build mipmap tree */ + for (i = start_level; i <= surf->last_level; i++) { + level[i].mode = RADEON_SURF_MODE_2D; + si_surf_minify_2d(surf, level+i, bpe, i, slice_pt, mtilew, mtileh, 1, mtileb, aligned_offset); + if (level[i].mode == RADEON_SURF_MODE_1D) { + switch (tile_mode) { + case CIK_TILE_MODE_COLOR_2D: + tile_mode = SI_TILE_MODE_COLOR_1D; + break; + case CIK_TILE_MODE_COLOR_2D_SCANOUT: + tile_mode = SI_TILE_MODE_COLOR_1D_SCANOUT; + break; + case CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_64: + case CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_128: + case CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_256: + case CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_512: + case CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_ROW_SIZE: + tile_mode = CIK_TILE_MODE_DEPTH_STENCIL_1D; + break; + default: + return -EINVAL; + } + return si_surface_init_1d(surf_man, surf, level, bpe, tile_mode, offset, i); + } + /* level0 and first mipmap need to have alignment */ + aligned_offset = offset = surf->bo_size; + if (i == 0) { + aligned_offset = ALIGN(aligned_offset, surf->bo_alignment); + } + if (surf->flags & RADEON_SURF_HAS_TILE_MODE_INDEX) { + if (surf->level == level) { + surf->tiling_index[i] = tile_mode; + /* it's ok because stencil is done after */ + surf->stencil_tiling_index[i] = tile_mode; + } else { + surf->stencil_tiling_index[i] = tile_mode; + } + } + } + return 0; +} + +static int cik_surface_init_2d_miptrees(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + unsigned tile_mode, unsigned stencil_tile_mode) +{ + int r; + uint32_t num_pipes, num_banks; + + cik_get_2d_params(surf_man, surf->bpe, surf->nsamples, + !(surf->flags & RADEON_SURF_Z_OR_SBUFFER), tile_mode, + &num_pipes, NULL, &num_banks, NULL, NULL, NULL); + + r = cik_surface_init_2d(surf_man, surf, surf->level, surf->bpe, tile_mode, + surf->tile_split, num_pipes, num_banks, 0, 0); + if (r) { + return r; + } + + if (surf->flags & RADEON_SURF_SBUFFER) { + r = cik_surface_init_2d(surf_man, surf, surf->stencil_level, 1, stencil_tile_mode, + surf->stencil_tile_split, num_pipes, num_banks, + surf->bo_size, 0); + surf->stencil_offset = surf->stencil_level[0].offset; + } + return r; +} + +static int cik_surface_init(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned mode, tile_mode, stencil_tile_mode; + int r; + + /* MSAA surfaces support the 2D mode only. */ + if (surf->nsamples > 1) { + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE); + } + + /* tiling mode */ + mode = (surf->flags >> RADEON_SURF_MODE_SHIFT) & RADEON_SURF_MODE_MASK; + + if (surf->flags & (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER)) { + /* zbuffer only support 1D or 2D tiled surface */ + switch (mode) { + case RADEON_SURF_MODE_1D: + case RADEON_SURF_MODE_2D: + break; + default: + mode = RADEON_SURF_MODE_1D; + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE); + break; + } + } + + r = cik_surface_sanity(surf_man, surf, mode, &tile_mode, &stencil_tile_mode); + if (r) { + return r; + } + + surf->stencil_offset = 0; + surf->bo_alignment = 0; + + /* check tiling mode */ + switch (mode) { + case RADEON_SURF_MODE_LINEAR: + r = r6_surface_init_linear(surf_man, surf, 0, 0); + break; + case RADEON_SURF_MODE_LINEAR_ALIGNED: + r = si_surface_init_linear_aligned(surf_man, surf, tile_mode, 0, 0); + break; + case RADEON_SURF_MODE_1D: + r = si_surface_init_1d_miptrees(surf_man, surf, tile_mode, stencil_tile_mode); + break; + case RADEON_SURF_MODE_2D: + r = cik_surface_init_2d_miptrees(surf_man, surf, tile_mode, stencil_tile_mode); + break; + default: + return -EINVAL; + } + return r; +} + +/* + * depending on surface + */ +static int cik_surface_best(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned mode, tile_mode, stencil_tile_mode; + + /* tiling mode */ + mode = (surf->flags >> RADEON_SURF_MODE_SHIFT) & RADEON_SURF_MODE_MASK; + + if (surf->flags & (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER) && + !(surf->flags & RADEON_SURF_HAS_TILE_MODE_INDEX)) { + /* depth/stencil force 1d tiling for old mesa */ + surf->flags = RADEON_SURF_CLR(surf->flags, MODE); + surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE); + } + + return cik_surface_sanity(surf_man, surf, mode, &tile_mode, &stencil_tile_mode); +} + + +/* =========================================================================== + * public API + */ +drm_public struct radeon_surface_manager * +radeon_surface_manager_new(int fd) +{ + struct radeon_surface_manager *surf_man; + + surf_man = calloc(1, sizeof(struct radeon_surface_manager)); + if (surf_man == NULL) { + return NULL; + } + surf_man->fd = fd; + if (radeon_get_value(fd, RADEON_INFO_DEVICE_ID, &surf_man->device_id)) { + goto out_err; + } + if (radeon_get_family(surf_man)) { + goto out_err; + } + + if (surf_man->family <= CHIP_RV740) { + if (r6_init_hw_info(surf_man)) { + goto out_err; + } + surf_man->surface_init = &r6_surface_init; + surf_man->surface_best = &r6_surface_best; + } else if (surf_man->family <= CHIP_ARUBA) { + if (eg_init_hw_info(surf_man)) { + goto out_err; + } + surf_man->surface_init = &eg_surface_init; + surf_man->surface_best = &eg_surface_best; + } else if (surf_man->family < CHIP_BONAIRE) { + if (si_init_hw_info(surf_man)) { + goto out_err; + } + surf_man->surface_init = &si_surface_init; + surf_man->surface_best = &si_surface_best; + } else { + if (cik_init_hw_info(surf_man)) { + goto out_err; + } + surf_man->surface_init = &cik_surface_init; + surf_man->surface_best = &cik_surface_best; + } + + return surf_man; +out_err: + free(surf_man); + return NULL; +} + +drm_public void +radeon_surface_manager_free(struct radeon_surface_manager *surf_man) +{ + free(surf_man); +} + +static int radeon_surface_sanity(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf, + unsigned type, + unsigned mode) +{ + if (surf_man == NULL || surf_man->surface_init == NULL || surf == NULL) { + return -EINVAL; + } + + /* all dimension must be at least 1 ! */ + if (!surf->npix_x || !surf->npix_y || !surf->npix_z) { + return -EINVAL; + } + if (!surf->blk_w || !surf->blk_h || !surf->blk_d) { + return -EINVAL; + } + if (!surf->array_size) { + return -EINVAL; + } + /* array size must be a power of 2 */ + surf->array_size = next_power_of_two(surf->array_size); + + switch (surf->nsamples) { + case 1: + case 2: + case 4: + case 8: + break; + default: + return -EINVAL; + } + /* check type */ + switch (type) { + case RADEON_SURF_TYPE_1D: + if (surf->npix_y > 1) { + return -EINVAL; + } + /* fallthrough */ + case RADEON_SURF_TYPE_2D: + if (surf->npix_z > 1) { + return -EINVAL; + } + break; + case RADEON_SURF_TYPE_CUBEMAP: + if (surf->npix_z > 1) { + return -EINVAL; + } + /* deal with cubemap as they were texture array */ + if (surf_man->family >= CHIP_RV770) { + surf->array_size = 8; + } else { + surf->array_size = 6; + } + break; + case RADEON_SURF_TYPE_3D: + break; + case RADEON_SURF_TYPE_1D_ARRAY: + if (surf->npix_y > 1) { + return -EINVAL; + } + case RADEON_SURF_TYPE_2D_ARRAY: + break; + default: + return -EINVAL; + } + return 0; +} + +drm_public int +radeon_surface_init(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned mode, type; + int r; + + type = RADEON_SURF_GET(surf->flags, TYPE); + mode = RADEON_SURF_GET(surf->flags, MODE); + + r = radeon_surface_sanity(surf_man, surf, type, mode); + if (r) { + return r; + } + return surf_man->surface_init(surf_man, surf); +} + +drm_public int +radeon_surface_best(struct radeon_surface_manager *surf_man, + struct radeon_surface *surf) +{ + unsigned mode, type; + int r; + + type = RADEON_SURF_GET(surf->flags, TYPE); + mode = RADEON_SURF_GET(surf->flags, MODE); + + r = radeon_surface_sanity(surf_man, surf, type, mode); + if (r) { + return r; + } + return surf_man->surface_best(surf_man, surf); +} |