diff options
author | Jerome Glisse <glisse@freedesktop.org> | 2008-11-05 14:31:46 +0100 |
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committer | Jerome Glisse <glisse@freedesktop.org> | 2008-11-14 11:26:17 +0100 |
commit | e5d5dab8c03f72097ec3e5b465fe93b6e369bb2d (patch) | |
tree | ddeffdcde7be26b0d9149c23ffed2094ff7ed290 /src/mesa/drivers/dri/r300/r300_mem.c | |
parent | 80d6379722a1249ce13db79a898d340644936f67 (diff) |
r300: bo and cs abstraction.
This abstract memory management and command stream building so we
can use different backend either legacy one which use old pathway
or a new one like with a new memory manager. This works was done by :
Nicolai Haehnle
Dave Airlie
Jerome Glisse
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_mem.c')
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_mem.c | 385 |
1 files changed, 0 insertions, 385 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_mem.c b/src/mesa/drivers/dri/r300/r300_mem.c deleted file mode 100644 index f8f9d4fcdf..0000000000 --- a/src/mesa/drivers/dri/r300/r300_mem.c +++ /dev/null @@ -1,385 +0,0 @@ -/* - * Copyright (C) 2005 Aapo Tahkola. - * - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -/** - * \file - * - * \author Aapo Tahkola <aet@rasterburn.org> - */ - -#include <unistd.h> - -#include "r300_context.h" -#include "r300_cmdbuf.h" -#include "r300_ioctl.h" -#include "r300_mem.h" -#include "radeon_ioctl.h" - -#ifdef USER_BUFFERS - -static void resize_u_list(r300ContextPtr rmesa) -{ - void *temp; - int nsize; - - temp = rmesa->rmm->u_list; - nsize = rmesa->rmm->u_size * 2; - - rmesa->rmm->u_list = _mesa_malloc(nsize * sizeof(*rmesa->rmm->u_list)); - _mesa_memset(rmesa->rmm->u_list, 0, - nsize * sizeof(*rmesa->rmm->u_list)); - - if (temp) { - r300FlushCmdBuf(rmesa, __FUNCTION__); - - _mesa_memcpy(rmesa->rmm->u_list, temp, - rmesa->rmm->u_size * sizeof(*rmesa->rmm->u_list)); - _mesa_free(temp); - } - - rmesa->rmm->u_size = nsize; -} - -void r300_mem_init(r300ContextPtr rmesa) -{ - rmesa->rmm = malloc(sizeof(struct r300_memory_manager)); - memset(rmesa->rmm, 0, sizeof(struct r300_memory_manager)); - - rmesa->rmm->u_size = 128; - resize_u_list(rmesa); -} - -void r300_mem_destroy(r300ContextPtr rmesa) -{ - _mesa_free(rmesa->rmm->u_list); - rmesa->rmm->u_list = NULL; - - _mesa_free(rmesa->rmm); - rmesa->rmm = NULL; -} - -void *r300_mem_ptr(r300ContextPtr rmesa, int id) -{ - assert(id <= rmesa->rmm->u_last); - return rmesa->rmm->u_list[id].ptr; -} - -int r300_mem_find(r300ContextPtr rmesa, void *ptr) -{ - int i; - - for (i = 1; i < rmesa->rmm->u_size + 1; i++) - if (rmesa->rmm->u_list[i].ptr && - ptr >= rmesa->rmm->u_list[i].ptr && - ptr < - rmesa->rmm->u_list[i].ptr + rmesa->rmm->u_list[i].size) - break; - - if (i < rmesa->rmm->u_size + 1) - return i; - - fprintf(stderr, "%p failed\n", ptr); - return 0; -} - -//#define MM_DEBUG -int r300_mem_alloc(r300ContextPtr rmesa, int alignment, int size) -{ - drm_radeon_mem_alloc_t alloc; - int offset = 0, ret; - int i, free = -1; - int done_age; - drm_radeon_mem_free_t memfree; - int tries = 0; - static int bytes_wasted = 0, allocated = 0; - - if (size < 4096) - bytes_wasted += 4096 - size; - - allocated += size; - -#if 0 - static int t = 0; - if (t != time(NULL)) { - t = time(NULL); - fprintf(stderr, "slots used %d, wasted %d kb, allocated %d\n", - rmesa->rmm->u_last, bytes_wasted / 1024, - allocated / 1024); - } -#endif - - memfree.region = RADEON_MEM_REGION_GART; - - again: - - done_age = radeonGetAge((radeonContextPtr) rmesa); - - if (rmesa->rmm->u_last + 1 >= rmesa->rmm->u_size) - resize_u_list(rmesa); - - for (i = rmesa->rmm->u_last + 1; i > 0; i--) { - if (rmesa->rmm->u_list[i].ptr == NULL) { - free = i; - continue; - } - - if (rmesa->rmm->u_list[i].h_pending == 0 && - rmesa->rmm->u_list[i].pending - && rmesa->rmm->u_list[i].age <= done_age) { - memfree.region_offset = - (char *)rmesa->rmm->u_list[i].ptr - - (char *)rmesa->radeon.radeonScreen->gartTextures. - map; - - ret = - drmCommandWrite(rmesa->radeon.radeonScreen-> - driScreen->fd, DRM_RADEON_FREE, - &memfree, sizeof(memfree)); - - if (ret) { - fprintf(stderr, "Failed to free at %p\n", - rmesa->rmm->u_list[i].ptr); - fprintf(stderr, "ret = %s\n", strerror(-ret)); - exit(1); - } else { -#ifdef MM_DEBUG - fprintf(stderr, "really freed %d at age %x\n", - i, - radeonGetAge((radeonContextPtr) rmesa)); -#endif - if (i == rmesa->rmm->u_last) - rmesa->rmm->u_last--; - - if (rmesa->rmm->u_list[i].size < 4096) - bytes_wasted -= - 4096 - rmesa->rmm->u_list[i].size; - - allocated -= rmesa->rmm->u_list[i].size; - rmesa->rmm->u_list[i].pending = 0; - rmesa->rmm->u_list[i].ptr = NULL; - free = i; - } - } - } - rmesa->rmm->u_head = i; - - if (free == -1) { - WARN_ONCE("Ran out of slots!\n"); - //usleep(100); - r300FlushCmdBuf(rmesa, __FUNCTION__); - tries++; - if (tries > 100) { - WARN_ONCE("Ran out of slots!\n"); - exit(1); - } - goto again; - } - - alloc.region = RADEON_MEM_REGION_GART; - alloc.alignment = alignment; - alloc.size = size; - alloc.region_offset = &offset; - - ret = - drmCommandWriteRead(rmesa->radeon.dri.fd, DRM_RADEON_ALLOC, &alloc, - sizeof(alloc)); - if (ret) { -#if 0 - WARN_ONCE("Ran out of mem!\n"); - r300FlushCmdBuf(rmesa, __FUNCTION__); - //usleep(100); - tries2++; - tries = 0; - if (tries2 > 100) { - WARN_ONCE("Ran out of GART memory!\n"); - exit(1); - } - goto again; -#else - WARN_ONCE - ("Ran out of GART memory (for %d)!\nPlease consider adjusting GARTSize option.\n", - size); - return 0; -#endif - } - - i = free; - - if (i > rmesa->rmm->u_last) - rmesa->rmm->u_last = i; - - rmesa->rmm->u_list[i].ptr = - ((GLubyte *) rmesa->radeon.radeonScreen->gartTextures.map) + offset; - rmesa->rmm->u_list[i].size = size; - rmesa->rmm->u_list[i].age = 0; - //fprintf(stderr, "alloc %p at id %d\n", rmesa->rmm->u_list[i].ptr, i); - -#ifdef MM_DEBUG - fprintf(stderr, "allocated %d at age %x\n", i, - radeonGetAge((radeonContextPtr) rmesa)); -#endif - - return i; -} - -void r300_mem_use(r300ContextPtr rmesa, int id) -{ - uint64_t ull; -#ifdef MM_DEBUG - fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, - radeonGetAge((radeonContextPtr) rmesa)); -#endif - drm_r300_cmd_header_t *cmd; - - assert(id <= rmesa->rmm->u_last); - - if (id == 0) - return; - - cmd = - (drm_r300_cmd_header_t *) r300AllocCmdBuf(rmesa, - 2 + sizeof(ull) / 4, - __FUNCTION__); - cmd[0].scratch.cmd_type = R300_CMD_SCRATCH; - cmd[0].scratch.reg = R300_MEM_SCRATCH; - cmd[0].scratch.n_bufs = 1; - cmd[0].scratch.flags = 0; - cmd++; - - ull = (uint64_t) (intptr_t) & rmesa->rmm->u_list[id].age; - _mesa_memcpy(cmd, &ull, sizeof(ull)); - cmd += sizeof(ull) / 4; - - cmd[0].u = /*id */ 0; - - LOCK_HARDWARE(&rmesa->radeon); /* Protect from DRM. */ - rmesa->rmm->u_list[id].h_pending++; - UNLOCK_HARDWARE(&rmesa->radeon); -} - -unsigned long r300_mem_offset(r300ContextPtr rmesa, int id) -{ - unsigned long offset; - - assert(id <= rmesa->rmm->u_last); - - offset = (char *)rmesa->rmm->u_list[id].ptr - - (char *)rmesa->radeon.radeonScreen->gartTextures.map; - offset += rmesa->radeon.radeonScreen->gart_texture_offset; - - return offset; -} - -void *r300_mem_map(r300ContextPtr rmesa, int id, int access) -{ -#ifdef MM_DEBUG - fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, - radeonGetAge((radeonContextPtr) rmesa)); -#endif - void *ptr; - int tries = 0; - - assert(id <= rmesa->rmm->u_last); - - if (access == R300_MEM_R) { - - if (rmesa->rmm->u_list[id].mapped == 1) - WARN_ONCE("buffer %d already mapped\n", id); - - rmesa->rmm->u_list[id].mapped = 1; - ptr = r300_mem_ptr(rmesa, id); - - return ptr; - } - - if (rmesa->rmm->u_list[id].h_pending) - r300FlushCmdBuf(rmesa, __FUNCTION__); - - if (rmesa->rmm->u_list[id].h_pending) { - return NULL; - } - - while (rmesa->rmm->u_list[id].age > - radeonGetAge((radeonContextPtr) rmesa) && tries++ < 1000) - usleep(10); - - if (tries >= 1000) { - fprintf(stderr, "Idling failed (%x vs %x)\n", - rmesa->rmm->u_list[id].age, - radeonGetAge((radeonContextPtr) rmesa)); - return NULL; - } - - if (rmesa->rmm->u_list[id].mapped == 1) - WARN_ONCE("buffer %d already mapped\n", id); - - rmesa->rmm->u_list[id].mapped = 1; - ptr = r300_mem_ptr(rmesa, id); - - return ptr; -} - -void r300_mem_unmap(r300ContextPtr rmesa, int id) -{ -#ifdef MM_DEBUG - fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, - radeonGetAge((radeonContextPtr) rmesa)); -#endif - - assert(id <= rmesa->rmm->u_last); - - if (rmesa->rmm->u_list[id].mapped == 0) - WARN_ONCE("buffer %d not mapped\n", id); - - rmesa->rmm->u_list[id].mapped = 0; -} - -void r300_mem_free(r300ContextPtr rmesa, int id) -{ -#ifdef MM_DEBUG - fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, - radeonGetAge((radeonContextPtr) rmesa)); -#endif - - assert(id <= rmesa->rmm->u_last); - - if (id == 0) - return; - - if (rmesa->rmm->u_list[id].ptr == NULL) { - WARN_ONCE("Not allocated!\n"); - return; - } - - if (rmesa->rmm->u_list[id].pending) { - WARN_ONCE("%p already pended!\n", rmesa->rmm->u_list[id].ptr); - return; - } - - rmesa->rmm->u_list[id].pending = 1; -} -#endif |