2009-07-13 22:58:45 +01:00
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/*
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2009-02-27 18:52:49 +00:00
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* Copyright © 2009 Corbin Simpson
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* All Rights Reserved.
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2009-07-13 22:58:45 +01:00
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*
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2009-02-27 18:52:49 +00:00
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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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2009-07-13 22:58:45 +01:00
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*
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2009-02-27 18:52:49 +00:00
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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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2009-07-13 22:58:45 +01:00
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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2009-02-27 18:52:49 +00:00
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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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* Corbin Simpson <MostAwesomeDude@gmail.com>
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2009-08-28 19:05:52 +01:00
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* Joakim Sindholt <opensource@zhasha.com>
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2009-02-27 18:52:49 +00:00
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*/
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2009-03-04 05:14:33 +00:00
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2009-02-27 18:52:49 +00:00
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#include "radeon_drm.h"
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2010-02-27 01:46:20 +00:00
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#include "radeon_r300.h"
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#include "radeon_buffer.h"
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2010-06-06 11:56:23 +01:00
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#include "radeon_drm_public.h"
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2010-02-27 01:46:20 +00:00
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#include "r300_winsys.h"
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#include "util/u_memory.h"
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#include "xf86drm.h"
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#include <sys/ioctl.h>
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2009-07-23 15:05:21 +01:00
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2010-02-12 05:39:51 +00:00
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static struct radeon_libdrm_winsys *
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radeon_winsys_create(int fd)
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{
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struct radeon_libdrm_winsys *rws;
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rws = CALLOC_STRUCT(radeon_libdrm_winsys);
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if (rws == NULL) {
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return NULL;
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}
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rws->fd = fd;
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return rws;
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}
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2009-12-02 20:31:04 +00:00
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/* Helper function to do the ioctls needed for setup and init. */
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2010-02-12 05:39:51 +00:00
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static void do_ioctls(int fd, struct radeon_libdrm_winsys* winsys)
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2009-12-02 20:31:04 +00:00
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{
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struct drm_radeon_gem_info gem_info = {0};
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struct drm_radeon_info info = {0};
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int target = 0;
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int retval;
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2010-01-18 08:35:11 +00:00
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drmVersionPtr version;
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2009-12-02 20:31:04 +00:00
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info.value = (unsigned long)⌖
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/* We do things in a specific order here.
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*
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2010-01-18 08:35:11 +00:00
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* DRM version first. We need to be sure we're running on a KMS chipset.
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* This is also for some features.
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*
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* Then, the PCI ID. This is essential and should return usable numbers
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2009-12-02 20:31:04 +00:00
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* for all Radeons. If this fails, we probably got handed an FD for some
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* non-Radeon card.
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*
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* The GB and Z pipe requests should always succeed, but they might not
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* return sensical values for all chipsets, but that's alright because
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* the pipe drivers already know that.
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*
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* The GEM info is actually bogus on the kernel side, as well as our side
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* (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because
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2010-01-17 23:57:26 +00:00
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* we don't actually use the info for anything yet. */
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2010-01-18 08:35:11 +00:00
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version = drmGetVersion(fd);
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if (version->version_major != 2) {
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fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
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"only compatible with 2.x.x\n", __FUNCTION__,
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version->version_major, version->version_minor,
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version->version_patchlevel);
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drmFreeVersion(version);
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exit(1);
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}
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2010-03-23 12:33:16 +00:00
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/* XXX Remove this ifdef when libdrm version 2.4.19 becomes mandatory. */
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#ifdef RADEON_BO_FLAGS_MICRO_TILE_SQUARE
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2010-02-14 16:43:32 +00:00
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// Supported since 2.1.0.
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winsys->squaretiling = version->version_major > 2 ||
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version->version_minor >= 1;
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2010-03-23 12:33:16 +00:00
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#endif
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2010-02-14 16:43:32 +00:00
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2010-04-26 05:29:10 +01:00
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winsys->drm_2_3_0 = version->version_major > 2 ||
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version->version_minor >= 3;
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2010-04-11 04:06:27 +01:00
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2009-12-02 20:31:04 +00:00
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info.request = RADEON_INFO_DEVICE_ID;
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retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
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if (retval) {
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fprintf(stderr, "%s: Failed to get PCI ID, "
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"error number %d\n", __FUNCTION__, retval);
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exit(1);
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}
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winsys->pci_id = target;
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info.request = RADEON_INFO_NUM_GB_PIPES;
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retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
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if (retval) {
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fprintf(stderr, "%s: Failed to get GB pipe count, "
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"error number %d\n", __FUNCTION__, retval);
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exit(1);
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}
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winsys->gb_pipes = target;
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info.request = RADEON_INFO_NUM_Z_PIPES;
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retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
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if (retval) {
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fprintf(stderr, "%s: Failed to get Z pipe count, "
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"error number %d\n", __FUNCTION__, retval);
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exit(1);
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}
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winsys->z_pipes = target;
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2010-07-07 14:20:19 +01:00
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winsys->hyperz = FALSE;
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#ifndef RADEON_INFO_WANT_HYPERZ
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#define RADEON_INFO_WANT_HYPERZ 7
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#endif
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info.request = RADEON_INFO_WANT_HYPERZ;
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retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
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if (!retval && target == 1) {
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winsys->hyperz = TRUE;
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}
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2009-12-02 20:31:04 +00:00
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retval = drmCommandWriteRead(fd, DRM_RADEON_GEM_INFO,
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&gem_info, sizeof(gem_info));
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if (retval) {
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fprintf(stderr, "%s: Failed to get MM info, error number %d\n",
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__FUNCTION__, retval);
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exit(1);
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}
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winsys->gart_size = gem_info.gart_size;
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2010-01-17 23:57:26 +00:00
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winsys->vram_size = gem_info.vram_size;
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2010-01-18 08:35:11 +00:00
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debug_printf("radeon: Successfully grabbed chipset info from kernel!\n"
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"radeon: DRM version: %d.%d.%d ID: 0x%04x GB: %d Z: %d\n"
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2010-08-04 10:34:54 +01:00
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"radeon: GART size: %d MB VRAM size: %d MB\n"
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"radeon: HyperZ: %s\n",
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2010-01-18 08:35:11 +00:00
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version->version_major, version->version_minor,
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version->version_patchlevel, winsys->pci_id,
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winsys->gb_pipes, winsys->z_pipes,
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winsys->gart_size / 1024 / 1024,
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2010-08-04 10:34:54 +01:00
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winsys->vram_size / 1024 / 1024,
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winsys->hyperz ? "YES" : "NO");
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2010-01-18 08:35:11 +00:00
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drmFreeVersion(version);
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2009-12-02 20:31:04 +00:00
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}
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2009-03-04 05:14:33 +00:00
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/* Create a pipe_screen. */
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2010-06-06 11:56:23 +01:00
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struct r300_winsys_screen* r300_drm_winsys_screen_create(int drmFB)
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2009-03-04 05:14:33 +00:00
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{
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2010-02-12 05:39:51 +00:00
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struct radeon_libdrm_winsys* rws;
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boolean ret;
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rws = radeon_winsys_create(drmFB);
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if (!rws)
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return NULL;
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do_ioctls(drmFB, rws);
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2009-03-04 05:14:33 +00:00
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2010-02-08 16:35:32 +00:00
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/* The state tracker can organize a softpipe fallback if no hw
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* driver is found.
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*/
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2010-02-12 05:39:51 +00:00
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if (is_r3xx(rws->pci_id)) {
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ret = radeon_setup_winsys(drmFB, rws);
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if (ret == FALSE)
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goto fail;
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2010-06-06 11:56:23 +01:00
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return &rws->base;
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2009-03-04 05:14:33 +00:00
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}
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2010-02-12 05:39:51 +00:00
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fail:
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FREE(rws);
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return NULL;
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2009-03-04 05:14:33 +00:00
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}
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