Kick VBOs out of GART if nothing else helps.

5 files changed, 56 insertions, 14 deletions

diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h
index 278319b14f1..53b689e00b0 100644
--- a/src/mesa/drivers/dri/r300/r300_context.h
+++ b/src/mesa/drivers/dri/r300/r300_context.h
@@ -933,6 +933,7 @@ extern void radeon_init_vtxfmt_a(r300ContextPtr rmesa);
 
 #ifdef HW_VBOS
 extern void r300_init_vbo_funcs(struct dd_function_table *functions);
+extern void r300_evict_vbos(GLcontext *ctx, int amount);
 #endif
 
 #define RADEON_D_CAPTURE 0
diff --git a/src/mesa/drivers/dri/r300/r300_ioctl.c b/src/mesa/drivers/dri/r300/r300_ioctl.c
index 078ff35397c..73725fcba95 100644
--- a/src/mesa/drivers/dri/r300/r300_ioctl.c
+++ b/src/mesa/drivers/dri/r300/r300_ioctl.c
@@ -632,12 +632,19 @@ void r300RefillCurrentDmaRegion(r300ContextPtr rmesa)
 		radeonWaitForIdleLocked(&rmesa->radeon);
 		
 		dmabuf->id = radeon_mm_alloc(rmesa, 4, RADEON_BUFFER_SIZE*16);
-		
+
+#ifdef HW_VBOS
+		if (dmabuf->id == 0) {
+			/* Just kick all */
+			r300_evict_vbos(rmesa->radeon.glCtx, /*RADEON_BUFFER_SIZE*16*/1<<30);
+			dmabuf->id = radeon_mm_alloc(rmesa, 4, RADEON_BUFFER_SIZE*16);
+		}
+#endif
 		UNLOCK_HARDWARE(&rmesa->radeon);
 		
 		if (dmabuf->id == 0) {
-			WARN_ONCE("Whops! Dont know how to evict VBOs yet.\n");
-			exit(1);
+			fprintf(stderr, "Error: Could not get dma buffer... exiting\n");
+			exit(-1);
 		}
 	}
 			
diff --git a/src/mesa/drivers/dri/r300/radeon_mm.c b/src/mesa/drivers/dri/r300/radeon_mm.c
index 08f2b2f81c4..394c59b3a98 100644
--- a/src/mesa/drivers/dri/r300/radeon_mm.c
+++ b/src/mesa/drivers/dri/r300/radeon_mm.c
@@ -97,7 +97,7 @@ int radeon_mm_alloc(r300ContextPtr rmesa, int alignment, int size)
 			
 	again:
 	
-	done_age = rmesa->radeon.radeonScreen->scratch[2];
+	done_age = rmesa->radeon.radeonScreen->scratch[RADEON_MM_SCRATCH];
 	
 	for (i = rmesa->rmm->u_last + 1; i > 0; i --) {
 		if (rmesa->rmm->u_list[i].ptr == NULL) {
@@ -119,7 +119,7 @@ int radeon_mm_alloc(r300ContextPtr rmesa, int alignment, int size)
 				exit(1);
 			} else {
 #ifdef MM_DEBUG
-				fprintf(stderr, "really freed %d at age %x\n", i, rmesa->radeon.radeonScreen->scratch[2]);
+				fprintf(stderr, "really freed %d at age %x\n", i, rmesa->radeon.radeonScreen->scratch[RADEON_MM_SCRATCH]);
 #endif
 				if (i == rmesa->rmm->u_last)
 					rmesa->rmm->u_last --;
@@ -196,7 +196,7 @@ int radeon_mm_alloc(r300ContextPtr rmesa, int alignment, int size)
 	//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]);
+	fprintf(stderr, "allocated %d at age %x\n", i, rmesa->radeon.radeonScreen->scratch[RADEON_MM_SCRATCH]);
 #endif
 	
 	return i;
@@ -261,7 +261,7 @@ void radeon_mm_use(r300ContextPtr rmesa, int id)
 {
 	unsigned long long ull;
 #ifdef MM_DEBUG
-	fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, rmesa->radeon.radeonScreen->scratch[2]);
+	fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, rmesa->radeon.radeonScreen->scratch[RADEON_MM_SCRATCH]);
 #endif	
 	drm_r300_cmd_header_t *cmd;
 	
@@ -303,7 +303,7 @@ void radeon_mm_use(r300ContextPtr rmesa, int id)
 		
 	cmd = r300AllocCmdBuf(rmesa, 2 + sizeof(ull) / 4, __FUNCTION__);
 	cmd[0].scratch.cmd_type = R300_CMD_SCRATCH;
-	cmd[0].scratch.reg = 2;
+	cmd[0].scratch.reg = RADEON_MM_SCRATCH;
 	cmd[0].scratch.n_bufs = 1;
 	cmd[0].scratch.flags = 0;
 	cmd ++;
@@ -345,7 +345,7 @@ int radeon_mm_on_card(r300ContextPtr rmesa, int id)
 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]);
+	fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, rmesa->radeon.radeonScreen->scratch[RADEON_MM_SCRATCH]);
 #endif	
 	void *ptr;
 	int tries = 0;
@@ -385,12 +385,12 @@ void *radeon_mm_map(r300ContextPtr rmesa, int id, int access)
 		return NULL;
 	}
 	
-	while(rmesa->rmm->u_list[id].age > rmesa->radeon.radeonScreen->scratch[2] && tries++ < 1000)
+	while(rmesa->rmm->u_list[id].age > rmesa->radeon.radeonScreen->scratch[RADEON_MM_SCRATCH] && 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]);
+				rmesa->rmm->u_list[id].age, rmesa->radeon.radeonScreen->scratch[RADEON_MM_SCRATCH]);
 		return NULL;
 	}
 	
@@ -406,7 +406,7 @@ void *radeon_mm_map(r300ContextPtr rmesa, int id, int access)
 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]);
+	fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, rmesa->radeon.radeonScreen->scratch[RADEON_MM_SCRATCH]);
 #endif	
 	
 	if(rmesa->rmm->u_list[id].mapped == 0)
@@ -423,7 +423,7 @@ void radeon_mm_unmap(r300ContextPtr rmesa, int id)
 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]);
+	fprintf(stderr, "%s: %d at age %x\n", __FUNCTION__, id, rmesa->radeon.radeonScreen->scratch[RADEON_MM_SCRATCH]);
 #endif	
 	
 	if(id == 0)
diff --git a/src/mesa/drivers/dri/r300/radeon_mm.h b/src/mesa/drivers/dri/r300/radeon_mm.h
index 56a9bc07963..9df5224ddeb 100644
--- a/src/mesa/drivers/dri/r300/radeon_mm.h
+++ b/src/mesa/drivers/dri/r300/radeon_mm.h
@@ -7,7 +7,9 @@
 #define RADEON_MM_R 1
 #define RADEON_MM_W 2
 #define RADEON_MM_RW (RADEON_MM_R | RADEON_MM_W)
-    
+
+#define RADEON_MM_SCRATCH 2
+
 struct radeon_memory_manager {
 	struct {
 		void *ptr;
diff --git a/src/mesa/drivers/dri/r300/radeon_vtxfmt_a.c b/src/mesa/drivers/dri/r300/radeon_vtxfmt_a.c
index 2269a8742ac..bff64ac0662 100644
--- a/src/mesa/drivers/dri/r300/radeon_vtxfmt_a.c
+++ b/src/mesa/drivers/dri/r300/radeon_vtxfmt_a.c
@@ -776,6 +776,38 @@ void r300DeleteBuffer(GLcontext *ctx, struct gl_buffer_object *obj)
 	_mesa_delete_buffer_object(ctx, obj);
 }
 
+void r300_evict_vbos(GLcontext *ctx, int amount)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	const struct _mesa_HashTable *hash = ctx->Shared->BufferObjects;
+	GLuint k = _mesa_HashFirstEntry(hash);
+	struct gl_buffer_object *obj;
+	struct r300_buffer_object *r300_obj;
+	GLvoid *data;
+	
+	while (amount > 0 && k) {
+		obj = (struct gl_buffer_object *) _mesa_HashLookup(hash, k);
+		r300_obj = (struct r300_buffer_object *) obj;
+		
+		if (obj->OnCard && obj->Size) {
+			obj->Data = _mesa_malloc(obj->Size);
+			
+			data = radeon_mm_map(rmesa, r300_obj->id, RADEON_MM_R);
+			_mesa_memcpy(obj->Data, data, obj->Size);
+			radeon_mm_unmap(rmesa, r300_obj->id);
+			
+			radeon_mm_free(rmesa, r300_obj->id);
+			r300_obj->id = 0;
+			obj->OnCard = GL_FALSE;
+			
+			amount -= obj->Size;
+		}
+		
+		k = _mesa_HashNextEntry(hash, k);
+	}
+	
+}
+
 void r300_init_vbo_funcs(struct dd_function_table *functions)
 {
 	functions->NewBufferObject = r300NewBufferObject;