1919 lines
60 KiB
C
1919 lines
60 KiB
C
/*
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* Copyright © 2011 Red Hat All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
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* AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*/
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/*
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* Authors:
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* Jérôme Glisse <jglisse@redhat.com>
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include "drm.h"
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#include "xf86drm.h"
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#include "radeon_drm.h"
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#include "radeon_surface.h"
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#define ALIGN(value, alignment) (((value) + alignment - 1) & ~(alignment - 1))
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#define MAX2(A, B) ((A) > (B) ? (A) : (B))
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#define MIN2(A, B) ((A) < (B) ? (A) : (B))
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/* keep this private */
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enum radeon_family {
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CHIP_UNKNOWN,
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CHIP_R600,
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CHIP_RV610,
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CHIP_RV630,
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CHIP_RV670,
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CHIP_RV620,
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CHIP_RV635,
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CHIP_RS780,
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CHIP_RS880,
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CHIP_RV770,
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CHIP_RV730,
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CHIP_RV710,
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CHIP_RV740,
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CHIP_CEDAR,
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CHIP_REDWOOD,
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CHIP_JUNIPER,
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CHIP_CYPRESS,
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CHIP_HEMLOCK,
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CHIP_PALM,
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CHIP_SUMO,
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CHIP_SUMO2,
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CHIP_BARTS,
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CHIP_TURKS,
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CHIP_CAICOS,
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CHIP_CAYMAN,
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CHIP_ARUBA,
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CHIP_TAHITI,
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CHIP_PITCAIRN,
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CHIP_VERDE,
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CHIP_OLAND,
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CHIP_HAINAN,
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CHIP_LAST,
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};
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typedef int (*hw_init_surface_t)(struct radeon_surface_manager *surf_man,
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struct radeon_surface *surf);
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typedef int (*hw_best_surface_t)(struct radeon_surface_manager *surf_man,
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struct radeon_surface *surf);
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struct radeon_hw_info {
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/* apply to r6, eg */
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uint32_t group_bytes;
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uint32_t num_banks;
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uint32_t num_pipes;
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/* apply to eg */
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uint32_t row_size;
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unsigned allow_2d;
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/* apply to si */
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uint32_t tile_mode_array[32];
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};
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struct radeon_surface_manager {
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int fd;
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uint32_t device_id;
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struct radeon_hw_info hw_info;
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unsigned family;
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hw_init_surface_t surface_init;
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hw_best_surface_t surface_best;
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};
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/* helper */
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static int radeon_get_value(int fd, unsigned req, uint32_t *value)
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{
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struct drm_radeon_info info = {};
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int r;
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*value = 0;
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info.request = req;
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info.value = (uintptr_t)value;
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r = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info,
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sizeof(struct drm_radeon_info));
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return r;
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}
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static int radeon_get_family(struct radeon_surface_manager *surf_man)
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{
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switch (surf_man->device_id) {
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#define CHIPSET(pci_id, name, fam) case pci_id: surf_man->family = CHIP_##fam; break;
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#include "r600_pci_ids.h"
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#undef CHIPSET
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default:
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return -EINVAL;
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}
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return 0;
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}
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static unsigned next_power_of_two(unsigned x)
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{
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if (x <= 1)
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return 1;
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return (1 << ((sizeof(unsigned) * 8) - __builtin_clz(x - 1)));
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}
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static unsigned mip_minify(unsigned size, unsigned level)
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{
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unsigned val;
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val = MAX2(1, size >> level);
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if (level > 0)
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val = next_power_of_two(val);
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return val;
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}
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static void surf_minify(struct radeon_surface *surf,
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struct radeon_surface_level *surflevel,
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unsigned bpe, unsigned level,
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uint32_t xalign, uint32_t yalign, uint32_t zalign,
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unsigned offset)
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{
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surflevel->npix_x = mip_minify(surf->npix_x, level);
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surflevel->npix_y = mip_minify(surf->npix_y, level);
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surflevel->npix_z = mip_minify(surf->npix_z, level);
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surflevel->nblk_x = (surflevel->npix_x + surf->blk_w - 1) / surf->blk_w;
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surflevel->nblk_y = (surflevel->npix_y + surf->blk_h - 1) / surf->blk_h;
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surflevel->nblk_z = (surflevel->npix_z + surf->blk_d - 1) / surf->blk_d;
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if (surf->nsamples == 1 && surflevel->mode == RADEON_SURF_MODE_2D &&
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!(surf->flags & RADEON_SURF_FMASK)) {
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if (surflevel->nblk_x < xalign || surflevel->nblk_y < yalign) {
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surflevel->mode = RADEON_SURF_MODE_1D;
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return;
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}
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}
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surflevel->nblk_x = ALIGN(surflevel->nblk_x, xalign);
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surflevel->nblk_y = ALIGN(surflevel->nblk_y, yalign);
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surflevel->nblk_z = ALIGN(surflevel->nblk_z, zalign);
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surflevel->offset = offset;
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surflevel->pitch_bytes = surflevel->nblk_x * bpe * surf->nsamples;
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surflevel->slice_size = surflevel->pitch_bytes * surflevel->nblk_y;
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surf->bo_size = offset + surflevel->slice_size * surflevel->nblk_z * surf->array_size;
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}
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/* ===========================================================================
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* r600/r700 family
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*/
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static int r6_init_hw_info(struct radeon_surface_manager *surf_man)
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{
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uint32_t tiling_config;
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drmVersionPtr version;
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int r;
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r = radeon_get_value(surf_man->fd, RADEON_INFO_TILING_CONFIG,
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&tiling_config);
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if (r) {
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return r;
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}
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surf_man->hw_info.allow_2d = 0;
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version = drmGetVersion(surf_man->fd);
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if (version && version->version_minor >= 14) {
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surf_man->hw_info.allow_2d = 1;
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}
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drmFreeVersion(version);
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switch ((tiling_config & 0xe) >> 1) {
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case 0:
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surf_man->hw_info.num_pipes = 1;
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break;
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case 1:
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surf_man->hw_info.num_pipes = 2;
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break;
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case 2:
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surf_man->hw_info.num_pipes = 4;
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break;
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case 3:
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surf_man->hw_info.num_pipes = 8;
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break;
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default:
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surf_man->hw_info.num_pipes = 8;
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surf_man->hw_info.allow_2d = 0;
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break;
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}
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switch ((tiling_config & 0x30) >> 4) {
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case 0:
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surf_man->hw_info.num_banks = 4;
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break;
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case 1:
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surf_man->hw_info.num_banks = 8;
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break;
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default:
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surf_man->hw_info.num_banks = 8;
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surf_man->hw_info.allow_2d = 0;
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break;
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}
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switch ((tiling_config & 0xc0) >> 6) {
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case 0:
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surf_man->hw_info.group_bytes = 256;
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break;
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case 1:
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surf_man->hw_info.group_bytes = 512;
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break;
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default:
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surf_man->hw_info.group_bytes = 256;
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surf_man->hw_info.allow_2d = 0;
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break;
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}
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return 0;
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}
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static int r6_surface_init_linear(struct radeon_surface_manager *surf_man,
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struct radeon_surface *surf,
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uint64_t offset, unsigned start_level)
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{
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uint32_t xalign, yalign, zalign;
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unsigned i;
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/* compute alignment */
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if (!start_level) {
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surf->bo_alignment = MAX2(256, surf_man->hw_info.group_bytes);
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}
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/* the 32 alignment is for scanout, cb or db but to allow texture to be
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* easily bound as such we force this alignment to all surface
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*/
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xalign = MAX2(1, surf_man->hw_info.group_bytes / surf->bpe);
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yalign = 1;
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zalign = 1;
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if (surf->flags & RADEON_SURF_SCANOUT) {
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xalign = MAX2((surf->bpe == 1) ? 64 : 32, xalign);
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}
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/* build mipmap tree */
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for (i = start_level; i <= surf->last_level; i++) {
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surf->level[i].mode = RADEON_SURF_MODE_LINEAR;
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surf_minify(surf, surf->level+i, surf->bpe, i, xalign, yalign, zalign, offset);
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/* level0 and first mipmap need to have alignment */
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offset = surf->bo_size;
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if ((i == 0)) {
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offset = ALIGN(offset, surf->bo_alignment);
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}
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}
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return 0;
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}
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static int r6_surface_init_linear_aligned(struct radeon_surface_manager *surf_man,
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struct radeon_surface *surf,
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uint64_t offset, unsigned start_level)
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{
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uint32_t xalign, yalign, zalign;
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unsigned i;
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/* compute alignment */
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if (!start_level) {
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surf->bo_alignment = MAX2(256, surf_man->hw_info.group_bytes);
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}
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xalign = MAX2(64, surf_man->hw_info.group_bytes / surf->bpe);
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yalign = 1;
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zalign = 1;
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/* build mipmap tree */
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for (i = start_level; i <= surf->last_level; i++) {
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surf->level[i].mode = RADEON_SURF_MODE_LINEAR_ALIGNED;
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surf_minify(surf, surf->level+i, surf->bpe, i, xalign, yalign, zalign, offset);
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/* level0 and first mipmap need to have alignment */
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offset = surf->bo_size;
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if ((i == 0)) {
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offset = ALIGN(offset, surf->bo_alignment);
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}
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}
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return 0;
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}
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static int r6_surface_init_1d(struct radeon_surface_manager *surf_man,
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struct radeon_surface *surf,
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uint64_t offset, unsigned start_level)
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{
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uint32_t xalign, yalign, zalign, tilew;
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unsigned i;
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/* compute alignment */
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tilew = 8;
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xalign = surf_man->hw_info.group_bytes / (tilew * surf->bpe * surf->nsamples);
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xalign = MAX2(tilew, xalign);
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yalign = tilew;
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zalign = 1;
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if (surf->flags & RADEON_SURF_SCANOUT) {
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xalign = MAX2((surf->bpe == 1) ? 64 : 32, xalign);
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}
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if (!start_level) {
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surf->bo_alignment = MAX2(256, surf_man->hw_info.group_bytes);
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}
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/* build mipmap tree */
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for (i = start_level; i <= surf->last_level; i++) {
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surf->level[i].mode = RADEON_SURF_MODE_1D;
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surf_minify(surf, surf->level+i, surf->bpe, i, xalign, yalign, zalign, offset);
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/* level0 and first mipmap need to have alignment */
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offset = surf->bo_size;
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if ((i == 0)) {
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offset = ALIGN(offset, surf->bo_alignment);
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}
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}
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return 0;
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}
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static int r6_surface_init_2d(struct radeon_surface_manager *surf_man,
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struct radeon_surface *surf,
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uint64_t offset, unsigned start_level)
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{
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uint32_t xalign, yalign, zalign, tilew;
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unsigned i;
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/* compute alignment */
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tilew = 8;
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zalign = 1;
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xalign = (surf_man->hw_info.group_bytes * surf_man->hw_info.num_banks) /
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(tilew * surf->bpe * surf->nsamples);
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xalign = MAX2(tilew * surf_man->hw_info.num_banks, xalign);
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yalign = tilew * surf_man->hw_info.num_pipes;
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if (surf->flags & RADEON_SURF_SCANOUT) {
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xalign = MAX2((surf->bpe == 1) ? 64 : 32, xalign);
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}
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if (!start_level) {
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surf->bo_alignment =
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MAX2(surf_man->hw_info.num_pipes *
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surf_man->hw_info.num_banks *
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surf->nsamples * surf->bpe * 64,
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xalign * yalign * surf->nsamples * surf->bpe);
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}
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/* build mipmap tree */
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for (i = start_level; i <= surf->last_level; i++) {
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surf->level[i].mode = RADEON_SURF_MODE_2D;
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surf_minify(surf, surf->level+i, surf->bpe, i, xalign, yalign, zalign, offset);
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if (surf->level[i].mode == RADEON_SURF_MODE_1D) {
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return r6_surface_init_1d(surf_man, surf, offset, i);
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}
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/* level0 and first mipmap need to have alignment */
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offset = surf->bo_size;
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if ((i == 0)) {
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offset = ALIGN(offset, surf->bo_alignment);
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}
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}
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return 0;
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}
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static int r6_surface_init(struct radeon_surface_manager *surf_man,
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struct radeon_surface *surf)
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{
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unsigned mode;
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int r;
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/* MSAA surfaces support the 2D mode only. */
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if (surf->nsamples > 1) {
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surf->flags = RADEON_SURF_CLR(surf->flags, MODE);
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surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE);
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}
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/* tiling mode */
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mode = (surf->flags >> RADEON_SURF_MODE_SHIFT) & RADEON_SURF_MODE_MASK;
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if (surf->flags & (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER)) {
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/* zbuffer only support 1D or 2D tiled surface */
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switch (mode) {
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case RADEON_SURF_MODE_1D:
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case RADEON_SURF_MODE_2D:
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break;
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default:
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mode = RADEON_SURF_MODE_1D;
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surf->flags = RADEON_SURF_CLR(surf->flags, MODE);
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surf->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE);
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break;
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}
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}
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/* force 1d on kernel that can't do 2d */
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if (!surf_man->hw_info.allow_2d && mode > RADEON_SURF_MODE_1D) {
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if (surf->nsamples > 1) {
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fprintf(stderr, "radeon: Cannot use 2D tiling for an MSAA surface (%i).\n", __LINE__);
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return -EFAULT;
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}
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mode = RADEON_SURF_MODE_1D;
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surf->flags = RADEON_SURF_CLR(surf->flags, MODE);
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surf->flags |= RADEON_SURF_SET(mode, MODE);
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}
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/* check surface dimension */
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if (surf->npix_x > 8192 || surf->npix_y > 8192 || surf->npix_z > 8192) {
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return -EINVAL;
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}
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|
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/* check mipmap last_level */
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if (surf->last_level > 14) {
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return -EINVAL;
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}
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|
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/* check tiling mode */
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switch (mode) {
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case RADEON_SURF_MODE_LINEAR:
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r = r6_surface_init_linear(surf_man, surf, 0, 0);
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break;
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case RADEON_SURF_MODE_LINEAR_ALIGNED:
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r = r6_surface_init_linear_aligned(surf_man, surf, 0, 0);
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break;
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case RADEON_SURF_MODE_1D:
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r = r6_surface_init_1d(surf_man, surf, 0, 0);
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break;
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case RADEON_SURF_MODE_2D:
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r = r6_surface_init_2d(surf_man, surf, 0, 0);
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break;
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default:
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return -EINVAL;
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}
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return r;
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}
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|
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static int r6_surface_best(struct radeon_surface_manager *surf_man,
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struct radeon_surface *surf)
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{
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/* no value to optimize for r6xx/r7xx */
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return 0;
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}
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|
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/* ===========================================================================
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* evergreen family
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*/
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static int eg_init_hw_info(struct radeon_surface_manager *surf_man)
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{
|
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uint32_t tiling_config;
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drmVersionPtr version;
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int r;
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|
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r = radeon_get_value(surf_man->fd, RADEON_INFO_TILING_CONFIG,
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&tiling_config);
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if (r) {
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return r;
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}
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|
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surf_man->hw_info.allow_2d = 0;
|
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version = drmGetVersion(surf_man->fd);
|
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if (version && version->version_minor >= 16) {
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|
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,
|
|
unsigned 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 * slice_pt;
|
|
surflevel->slice_size = 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) {
|
|
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 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 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 */
|
|
surf->tile_split = MAX2(surf->nsamples * 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 recommanded 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->bankw = 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, unsigned 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);
|
|
|
|
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 */
|
|
xalign = MAX2(xalign, slice_align / surf->bpe);
|
|
else
|
|
/* Small rows evenly distributed across slice */
|
|
xalign = MAX2(xalign, slice_align / surf->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 * surf->bpe * surf->nsamples;
|
|
surflevel->slice_size = ALIGN(surflevel->pitch_bytes * surflevel->nblk_y, 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, unsigned 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);
|
|
|
|
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 * slice_pt;
|
|
surflevel->slice_size = 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 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) {
|
|
surf->bo_alignment = MAX2(256, surf_man->hw_info.group_bytes);
|
|
|
|
if (offset) {
|
|
offset = ALIGN(offset, surf->bo_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, 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_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)
|
|
{
|
|
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) {
|
|
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) {
|
|
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;
|
|
si_surf_minify_2d(surf, level+i, bpe, i, slice_pt, mtilew, mtileh, 1, mtileb, 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 */
|
|
offset = surf->bo_size;
|
|
if ((i == 0)) {
|
|
offset = ALIGN(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);
|
|
}
|
|
|
|
|
|
/* ===========================================================================
|
|
* public API
|
|
*/
|
|
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 (si_init_hw_info(surf_man)) {
|
|
goto out_err;
|
|
}
|
|
surf_man->surface_init = &si_surface_init;
|
|
surf_man->surface_best = &si_surface_best;
|
|
}
|
|
|
|
return surf_man;
|
|
out_err:
|
|
free(surf_man);
|
|
return NULL;
|
|
}
|
|
|
|
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;
|
|
}
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|