diff options
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, 385 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_mem.c b/src/mesa/drivers/dri/r300/r300_mem.c new file mode 100644 index 0000000000..f8f9d4fcdf --- /dev/null +++ b/src/mesa/drivers/dri/r300/r300_mem.c @@ -0,0 +1,385 @@ +/* + * 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 |