nouveau: add a fifo size debug check.

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_fifo.c b/src/mesa/drivers/dri/nouveau/nouveau_fifo.c
index 7af9f1e3c2fd8d86e5640d8534841398844a4bd6..67b5aa4f8a8c5654c7751ef6b0cf4667c0ef1c9d 100644 (file)
--- a/src/mesa/drivers/dri/nouveau/nouveau_fifo.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_fifo.c
@@ -38,6 +38,10 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "nouveau_object.h"
 #include "nouveau_sync.h"
 
+#ifdef NOUVEAU_RING_DEBUG
+int nouveau_fifo_remaining=0;
+#endif
+
 
 #define RING_SKIPS 8
 

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_fifo.h b/src/mesa/drivers/dri/nouveau/nouveau_fifo.h
index 490089f71a483d9bb4e1b1e8c1747a612fd5de3a..0d85a94f4d7ea30dbed1b4d63621d67579d123ef 100644 (file)
--- a/src/mesa/drivers/dri/nouveau/nouveau_fifo.h
+++ b/src/mesa/drivers/dri/nouveau/nouveau_fifo.h
@@ -34,7 +34,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "nouveau_state_cache.h"
 
 //#define NOUVEAU_RING_TRACE
-//#define NOUVEAU_RING_DEBUG
+#define NOUVEAU_RING_DEBUG
 //#define NOUVEAU_STATE_CACHE_DISABLE
 
 #ifndef NOUVEAU_RING_TRACE
@@ -74,17 +74,33 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 #ifdef NOUVEAU_RING_DEBUG
 
+extern int nouveau_fifo_remaining;
+
 #define OUT_RINGp(ptr,sz) do {                                                  \
 uint32_t* p=(uint32_t*)(ptr);                                                  \
 int i; printf("OUT_RINGp: (size 0x%x dwords)\n",sz); for(i=0;i<sz;i++) printf(" 0x%08x   %f\n", *(p+i), *((float*)(p+i)));     \
+nouveau_fifo_remaining-=sz;                                                    \
 }while(0)
 
 #define OUT_RING(n) do {                                                        \
     printf("OUT_RINGn: 0x%08x (%s)\n", n, __func__);                            \
+    nouveau_fifo_remaining--;                                                  \
 }while(0)
 
 #define OUT_RINGf(n) do {                                                       \
     printf("OUT_RINGf: %.04f (%s)\n", n, __func__);                             \
+    nouveau_fifo_remaining--;                                                  \
+}while(0)
+
+#define BEGIN_RING_SIZE(subchannel,tag,size) do {                                      \
+       if (nouveau_fifo_remaining!=0)                                                  \
+               printf("RING ERROR : remaining %d\n",nouveau_fifo_remaining);           \
+       nouveau_state_cache_flush(nmesa);                                               \
+       if (nmesa->fifo.free <= (size))                                                 \
+               WAIT_RING(nmesa,(size));                                                \
+       OUT_RING( ((size)<<18) | ((subchannel) << 13) | (tag));                         \
+       nmesa->fifo.free -= ((size) + 1);                                               \
+       nouveau_fifo_remaining=size;                                                    \
 }while(0)
 
 #else
@@ -110,8 +126,6 @@ if (NOUVEAU_RING_TRACE) \
 *((float*)(nmesa->fifo.buffer+nmesa->fifo.current++))=(n);                     \
 }while(0)
 
-#endif
-
 #define BEGIN_RING_SIZE(subchannel,tag,size) do {                                      \
        nouveau_state_cache_flush(nmesa);                                               \
        if (nmesa->fifo.free <= (size))                                                 \
@@ -120,6 +134,8 @@ if (NOUVEAU_RING_TRACE) \
        nmesa->fifo.free -= ((size) + 1);                                               \
 }while(0)
 
+#endif
+
 extern void WAIT_RING(nouveauContextPtr nmesa,u_int32_t size);
 extern void nouveau_state_cache_flush(nouveauContextPtr nmesa);
 extern void nouveau_state_cache_init(nouveauContextPtr nmesa);