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|
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/types.h>
#include <sys/sem.h>
#include "r300_context.h"
#include "r300_cmdbuf.h"
#include "radeon_mm.h"
#ifdef USER_BUFFERS
void radeon_mm_init(r300ContextPtr rmesa)
{
rmesa->rmm = malloc(sizeof(struct radeon_memory_manager));
memset(rmesa->rmm, 0, sizeof(struct radeon_memory_manager));
rmesa->rmm->u_size = 512; //2048;
rmesa->rmm->u_list = malloc(rmesa->rmm->u_size *sizeof(*rmesa->rmm->u_list));
memset(rmesa->rmm->u_list, 0, rmesa->rmm->u_size*sizeof(*rmesa->rmm->u_list));
}
void *radeon_mm_ptr(r300ContextPtr rmesa, int id)
{
return rmesa->rmm->u_list[id].ptr;
}
int radeon_mm_find(r300ContextPtr rmesa, void *ptr)
{
int i;
int id = 0;
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 radeon_mm_alloc(r300ContextPtr rmesa, int alignment, int size)
{
drm_radeon_mem_alloc_t alloc;
int offset, ret;
int i, free=-1;
int done_age;
drm_radeon_mem_free_t memfree;
int tries=0, tries2=0;
static int t=0;
static int bytes_wasted=0, allocated=0;
if(size < 4096)
bytes_wasted += 4096 - size;
allocated += size;
#if 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 = rmesa->radeon.radeonScreen->scratch[2];
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, rmesa->radeon.radeonScreen->scratch[2]);
#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;
if (rmesa->rmm->u_list[i].fb) {
LOCK_HARDWARE(&(rmesa->radeon));
ret = mmFreeMem(rmesa->rmm->u_list[i].fb);
UNLOCK_HARDWARE(&(rmesa->radeon));
if (ret != 0)
fprintf(stderr, "failed to free!\n");
rmesa->rmm->u_list[i].fb = NULL;
}
rmesa->rmm->u_list[i].ref_count = 0;
free = i;
}
}
}
done:
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) {
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;
}
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;
rmesa->rmm->u_list[i].fb = NULL;
//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, rmesa->radeon.radeonScreen->scratch[2]);
#endif
return i;
}
#include "r300_emit.h"
void emit_lin_cp(r300ContextPtr rmesa, unsigned long dst, unsigned long src, unsigned long size)
{
LOCAL_VARS
int cp_size;
while (size > 0){
cp_size = size;
if(cp_size > /*8190*/4096)
cp_size = /*8190*/4096;
reg_start(0x146c,1);
e32(0x52cc32fb);
reg_start(0x15ac,1);
e32(src);
e32(cp_size);
reg_start(0x1704,0);
e32(0x0);
reg_start(0x1404,1);
e32(dst);
e32(cp_size);
reg_start(0x1700,0);
e32(0x0);
reg_start(0x1640,3);
e32(0x00000000);
e32(0x00001fff);
e32(0x00000000);
e32(0x00001fff);
start_packet3(RADEON_CP_PACKET3_UNK1B, 2);
e32(0 << 16 | 0);
e32(0 << 16 | 0);
e32(cp_size << 16 | 0x1);
dst += cp_size;
src += cp_size;
size -= cp_size;
}
reg_start(0x4e4c,0);
e32(0x0000000a);
reg_start(0x342c,0);
e32(0x00000005);
reg_start(0x1720,0);
e32(0x00010000);
}
void radeon_mm_use(r300ContextPtr rmesa, int id)
{
#ifdef MM_DEBUG
fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, rmesa->radeon.radeonScreen->scratch[2]);
#endif
drm_r300_cmd_header_t *cmd;
if(id == 0)
return;
#if 0 /* FB VBOs. Needs further changes... */
rmesa->rmm->u_list[id].ref_count ++;
if (rmesa->rmm->u_list[id].ref_count > 100 && rmesa->rmm->u_list[id].fb == NULL &&
rmesa->rmm->u_list[id].size != RADEON_BUFFER_SIZE*16 /*&& rmesa->rmm->u_list[id].size > 40*/) {
driTexHeap *heap;
struct mem_block *mb;
LOCK_HARDWARE(&(rmesa->radeon));
heap = rmesa->texture_heaps[0];
mb = mmAllocMem(heap->memory_heap, rmesa->rmm->u_list[id].size, heap->alignmentShift, 0);
UNLOCK_HARDWARE(&(rmesa->radeon));
if (mb) {
rmesa->rmm->u_list[id].fb = mb;
emit_lin_cp(rmesa, rmesa->radeon.radeonScreen->texOffset[0] + rmesa->rmm->u_list[id].fb->ofs,
r300GartOffsetFromVirtual(rmesa, rmesa->rmm->u_list[id].ptr),
rmesa->rmm->u_list[id].size);
} else {
WARN_ONCE("Upload to fb failed, %d, %d\n", rmesa->rmm->u_list[id].size, id);
}
//fprintf(stderr, "Upload to fb! %d, %d\n", rmesa->rmm->u_list[id].ref_count, id);
}
/*if (rmesa->rmm->u_list[id].fb) {
emit_lin_cp(rmesa, rmesa->radeon.radeonScreen->texOffset[0] + rmesa->rmm->u_list[id].fb->ofs,
r300GartOffsetFromVirtual(rmesa, rmesa->rmm->u_list[id].ptr),
rmesa->rmm->u_list[id].size);
}*/
#endif
cmd = r300AllocCmdBuf(rmesa, 4, __FUNCTION__);
cmd[0].scratch.cmd_type = R300_CMD_SCRATCH;
cmd[0].scratch.reg = 2;
cmd[0].scratch.n_bufs = 1;
cmd[0].scratch.flags = 0;
cmd[1].u = (unsigned long)(&rmesa->rmm->vb_age);
cmd[2].u = (unsigned long)(&rmesa->rmm->u_list[id].age);
cmd[3].u = /*id*/0;
LOCK_HARDWARE(&rmesa->radeon); /* Protect from DRM. */
rmesa->rmm->u_list[id].h_pending ++;
UNLOCK_HARDWARE(&rmesa->radeon);
}
unsigned long radeon_mm_offset(r300ContextPtr rmesa, int id)
{
unsigned long offset;
if (rmesa->rmm->u_list[id].fb) {
offset = rmesa->radeon.radeonScreen->texOffset[0] + rmesa->rmm->u_list[id].fb->ofs;
} else {
offset = (char *)rmesa->rmm->u_list[id].ptr -
(char *)rmesa->radeon.radeonScreen->gartTextures.map;
offset += rmesa->radeon.radeonScreen->gart_texture_offset;
}
return offset;
}
int radeon_mm_on_card(r300ContextPtr rmesa, int id)
{
if (rmesa->rmm->u_list[id].fb)
return GL_TRUE;
return GL_FALSE;
}
void *radeon_mm_map(r300ContextPtr rmesa, int id, int access)
{
#ifdef MM_DEBUG
fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, rmesa->radeon.radeonScreen->scratch[2]);
#endif
void *ptr;
int tries = 0;
rmesa->rmm->u_list[id].ref_count = 0;
if (rmesa->rmm->u_list[id].fb) {
WARN_ONCE("Mapping fb!\n");
/* Idle gart only and do upload on unmap */
//rmesa->rmm->u_list[id].fb = 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 = radeon_mm_ptr(rmesa, id);
return ptr;
}
if (access == RADEON_MM_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 = radeon_mm_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 > rmesa->radeon.radeonScreen->scratch[2] && tries++ < 1000)
usleep(10);
if (tries >= 1000) {
fprintf(stderr, "Idling failed (%x vs %x)\n",
rmesa->rmm->u_list[id].age, rmesa->radeon.radeonScreen->scratch[2]);
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 = radeon_mm_ptr(rmesa, id);
return ptr;
}
void radeon_mm_unmap(r300ContextPtr rmesa, int id)
{
#ifdef MM_DEBUG
fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, rmesa->radeon.radeonScreen->scratch[2]);
#endif
if(rmesa->rmm->u_list[id].mapped == 0)
WARN_ONCE("buffer %d not mapped\n", id);
rmesa->rmm->u_list[id].mapped = 0;
if (rmesa->rmm->u_list[id].fb)
emit_lin_cp(rmesa, rmesa->radeon.radeonScreen->texOffset[0] + rmesa->rmm->u_list[id].fb->ofs,
r300GartOffsetFromVirtual(rmesa, rmesa->rmm->u_list[id].ptr),
rmesa->rmm->u_list[id].size);
}
void radeon_mm_free(r300ContextPtr rmesa, int id)
{
#ifdef MM_DEBUG
fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, rmesa->radeon.radeonScreen->scratch[2]);
#endif
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
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