drop all that (slow) locking stuff and make u_list per context.

diff --git a/src/mesa/drivers/dri/r300/radeon_mm.c b/src/mesa/drivers/dri/r300/radeon_mm.c
index b69929e..a18d691 100644 (file)
--- a/src/mesa/drivers/dri/r300/radeon_mm.c
+++ b/src/mesa/drivers/dri/r300/radeon_mm.c
@@ -8,110 +8,38 @@
 #include "radeon_mm.h"
 
 #ifdef USER_BUFFERS
-void radeon_mm_reset(r300ContextPtr rmesa)
-{
-       drm_r300_cmd_header_t *cmd;
-       int ret;
-       
-       memset(rmesa->rmm, 0, sizeof(struct radeon_memory_manager));
-               
-       rmesa->rmm->u_size = 1024; //2048;
-       //rmesa->radeon.radeonScreen->scratch[2] = rmesa->rmm->vb_age;
-#if 0 /* FIXME */
-       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[0].age);
-       cmd[3].u = /*id*/0;
-
-       /* Protect from DRM. */ 
-       LOCK_HARDWARE(&rmesa->radeon);
-       rmesa->rmm->u_list[0].h_pending ++;
-       ret = r300FlushCmdBufLocked(rmesa, __FUNCTION__);
-       UNLOCK_HARDWARE(&rmesa->radeon);
-
-       if (ret) {
-               WARN_ONCE("r300FlushCmdBufLocked\n");
-               exit(1);
-       }
-#endif
-}
 
 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->mm_ipc_key = 0xdeadbeed; //ftok("/tmp/.r300.mm_lock", "x");
-       if(rmesa->mm_ipc_key == -1){
-               perror("ftok");
-               exit(1);
-       }
-       
-       rmesa->mm_shm_id = shmget(rmesa->mm_ipc_key, sizeof(struct radeon_memory_manager), 0644);
-       if (rmesa->mm_shm_id == -1) {
-               rmesa->mm_shm_id = shmget(rmesa->mm_ipc_key, sizeof(struct radeon_memory_manager), 0644 | IPC_CREAT);
-               
-               rmesa->rmm = shmat(rmesa->mm_shm_id, (void *)0, 0);
-               if (rmesa->rmm == (char *)(-1)) {
-                       perror("shmat");
-                       exit(1);
-               }
-               
-               radeon_mm_reset(rmesa);
-               
-               rmesa->mm_sem_id = semget(rmesa->mm_ipc_key, 2, 0666 | IPC_CREAT);
-               if (rmesa->mm_sem_id == -1) {
-                       perror("semget");
-                       exit(1);
-               }
-               
-               return ;
-       }
-       
-       rmesa->rmm = shmat(rmesa->mm_shm_id, (void *)0, 0);
-       if (rmesa->rmm == (char *)(-1)) {
-               perror("shmat");
-               exit(1);
-       }
-       /* FIXME */
-       radeon_mm_reset(rmesa);
-                       
-       rmesa->mm_sem_id = semget(rmesa->mm_ipc_key, 2, 0666);
-       if (rmesa->mm_sem_id == -1) {
-               perror("semget");
-               exit(1);
-       }
+       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));
 }
 
-static void radeon_mm_lock(r300ContextPtr rmesa, int sem)
+void *radeon_mm_ptr(r300ContextPtr rmesa, int id)
 {
-       struct sembuf sb = { 0, 1, 0 };
-       
-       sb.sem_num = sem;
-       
-       if (semop(rmesa->mm_sem_id, &sb, 1) == -1) {
-               perror("semop");
-               exit(1);
-       }
+       return rmesa->rmm->u_list[id].ptr;
 }
 
-static void radeon_mm_unlock(r300ContextPtr rmesa, int sem)
+int radeon_mm_find(r300ContextPtr rmesa, void *ptr)
 {
-       struct sembuf sb = { 0, -1, 0 };
+       int i;
+       int id = 0;
        
-       sb.sem_num = sem;
-                       
-       if (semop(rmesa->mm_sem_id, &sb, 1) == -1) {
-               perror("semop");
-               exit(1);
-       }       
-}
-
-void *radeon_mm_ptr(r300ContextPtr rmesa, int id)
-{
-       return rmesa->rmm->u_list[id].ptr;
+       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
@@ -119,27 +47,33 @@ int radeon_mm_alloc(r300ContextPtr rmesa, int alignment, int size)
 {
        drm_radeon_mem_alloc_t alloc;
        int offset, ret;
-       int i, end, free=-1;
+       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;
                        
-       radeon_mm_lock(rmesa, RADEON_MM_UL);
-       
        again:
        
        done_age = rmesa->radeon.radeonScreen->scratch[2];
        
-       i = 1; //rmesa->rmm->u_head + 1;
-       //i &= rmesa->rmm->u_size - 1;
-       
-       end = i + rmesa->rmm->u_size;
-       //end &= rmesa->rmm->u_size - 1;
-       
-       for (; i != end; i ++/*, i &= rmesa->rmm->u_size-1*/) {
-               if (rmesa->rmm->u_list[i].ptr == NULL){
+       for (i = rmesa->rmm->u_last + 1; i > 0; i --) {
+               if (rmesa->rmm->u_list[i].ptr == NULL) {
                        free = i;
                        continue;
                }
@@ -153,17 +87,33 @@ int radeon_mm_alloc(r300ContextPtr rmesa, int alignment, int size)
                                              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));
-                               
-                               //radeon_mm_unlock(rmesa, RADEON_MM_UL);
-                               //exit(1);
+                               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;
                        }
                }
@@ -172,6 +122,7 @@ int radeon_mm_alloc(r300ContextPtr rmesa, int alignment, int size)
        rmesa->rmm->u_head = i;
        
        if (free == -1) {
+               WARN_ONCE("Ran out of slots!\n");
                //usleep(100);
                r300FlushCmdBuf(rmesa, __FUNCTION__);
                tries++;
@@ -189,6 +140,7 @@ int radeon_mm_alloc(r300ContextPtr rmesa, int alignment, int size)
 
        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++;
@@ -201,19 +153,78 @@ int radeon_mm_alloc(r300ContextPtr rmesa, int alignment, int size)
        }
        
        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
        
-       radeon_mm_unlock(rmesa, RADEON_MM_UL);
-       
        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
@@ -224,7 +235,38 @@ void radeon_mm_use(r300ContextPtr rmesa, int id)
        if(id == 0)
                return;
        
-       radeon_mm_lock(rmesa, RADEON_MM_UL);
+#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;
@@ -238,10 +280,31 @@ void radeon_mm_use(r300ContextPtr rmesa, int id)
        LOCK_HARDWARE(&rmesa->radeon); /* Protect from DRM. */
        rmesa->rmm->u_list[id].h_pending ++;
        UNLOCK_HARDWARE(&rmesa->radeon);
-                       
-       radeon_mm_unlock(rmesa, RADEON_MM_UL);
 }
 
+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
@@ -250,8 +313,12 @@ void *radeon_mm_map(r300ContextPtr rmesa, int id, int access)
        void *ptr;
        int tries = 0;
        
-       if (access == RADEON_MM_R) {
-               radeon_mm_lock(rmesa, RADEON_MM_UL);
+       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);
@@ -259,18 +326,25 @@ void *radeon_mm_map(r300ContextPtr rmesa, int id, int access)
                rmesa->rmm->u_list[id].mapped = 1;
                ptr = radeon_mm_ptr(rmesa, id);
                
-               radeon_mm_unlock(rmesa, RADEON_MM_UL);
+               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;
        }
        
-       radeon_mm_lock(rmesa, RADEON_MM_UL);
        
        if (rmesa->rmm->u_list[id].h_pending)
                r300FlushCmdBuf(rmesa, __FUNCTION__);
        
        if (rmesa->rmm->u_list[id].h_pending) {
-               radeon_mm_unlock(rmesa, RADEON_MM_UL);
                return NULL;
        }
        
@@ -280,7 +354,6 @@ void *radeon_mm_map(r300ContextPtr rmesa, int id, int access)
        if (tries >= 1000) {
                fprintf(stderr, "Idling failed (%x vs %x)\n",
                                rmesa->rmm->u_list[id].age, rmesa->radeon.radeonScreen->scratch[2]);
-               radeon_mm_unlock(rmesa, RADEON_MM_UL);
                return NULL;
        }
        
@@ -290,8 +363,6 @@ void *radeon_mm_map(r300ContextPtr rmesa, int id, int access)
        rmesa->rmm->u_list[id].mapped = 1;
        ptr = radeon_mm_ptr(rmesa, id);
        
-       radeon_mm_unlock(rmesa, RADEON_MM_UL);
-       
        return ptr;
 }
 
@@ -301,14 +372,15 @@ void radeon_mm_unmap(r300ContextPtr rmesa, int id)
        fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, rmesa->radeon.radeonScreen->scratch[2]);
 #endif 
        
-       radeon_mm_lock(rmesa, RADEON_MM_UL);
-       
        if(rmesa->rmm->u_list[id].mapped == 0)
                WARN_ONCE("buffer %d not mapped\n", id);
        
        rmesa->rmm->u_list[id].mapped = 0;
        
-       radeon_mm_unlock(rmesa, RADEON_MM_UL);
+       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)
@@ -320,20 +392,16 @@ void radeon_mm_free(r300ContextPtr rmesa, int id)
        if(id == 0)
                return;
        
-       radeon_mm_lock(rmesa, RADEON_MM_UL);
        if(rmesa->rmm->u_list[id].ptr == NULL){
-               radeon_mm_unlock(rmesa, RADEON_MM_UL);
                WARN_ONCE("Not allocated!\n");
                return ;
        }
        
        if(rmesa->rmm->u_list[id].pending){
-               radeon_mm_unlock(rmesa, RADEON_MM_UL);
                WARN_ONCE("%p already pended!\n", rmesa->rmm->u_list[id].ptr);
                return ;
        }
                        
        rmesa->rmm->u_list[id].pending = 1;
-       radeon_mm_unlock(rmesa, RADEON_MM_UL);
 }
 #endif

diff --git a/src/mesa/drivers/dri/r300/radeon_mm.h b/src/mesa/drivers/dri/r300/radeon_mm.h
index 637ecb1..5fdeac5 100644 (file)
--- a/src/mesa/drivers/dri/r300/radeon_mm.h
+++ b/src/mesa/drivers/dri/r300/radeon_mm.h
@@ -10,7 +10,6 @@
     
 struct radeon_memory_manager {
        uint32_t vb_age;
-       /*uint32_t ages[1024];*/
        
        struct {
                void *ptr;
@@ -19,15 +18,20 @@ struct radeon_memory_manager {
                uint32_t h_pending;
                int pending;
                int mapped;
-       } u_list[/*4096*/2048];
-       int u_head, u_tail, u_size;
+               int ref_count;
+               struct mem_block *fb;
+       } *u_list;
+       int u_head, u_tail, u_size, u_last;
        
 };
 
 extern void radeon_mm_init(r300ContextPtr rmesa);
 extern void *radeon_mm_ptr(r300ContextPtr rmesa, int id);
+extern int radeon_mm_find(r300ContextPtr rmesa, void *ptr);
 extern int radeon_mm_alloc(r300ContextPtr rmesa, int alignment, int size);
 extern void radeon_mm_use(r300ContextPtr rmesa, int id);
+extern unsigned long radeon_mm_offset(r300ContextPtr rmesa, int id);
+extern int radeon_mm_on_card(r300ContextPtr rmesa, int id);
 extern void *radeon_mm_map(r300ContextPtr rmesa, int id, int access);
 extern void radeon_mm_unmap(r300ContextPtr rmesa, int id);
 extern void radeon_mm_free(r300ContextPtr rmesa, int id);