i915: Implement and use the reworked batchbuffer code

4 files changed, 13 insertions, 34 deletions

diff --git a/src/gallium/drivers/i915simple/i915_batch.h b/src/gallium/drivers/i915simple/i915_batch.h
index 6c62e84bc3..9379d1fb5d 100644
--- a/src/gallium/drivers/i915simple/i915_batch.h
+++ b/src/gallium/drivers/i915simple/i915_batch.h
@@ -40,6 +40,7 @@ struct i915_batchbuffer
    unsigned char *ptr;
 
    size_t size;
+   size_t actual_size;
 
    size_t relocs;
    size_t max_relocs;
@@ -50,39 +51,25 @@ i915_batchbuffer_check( struct i915_batchbuffer *batch,
 			size_t dwords,
 			size_t relocs )
 {
-#if 0 /* To be used */
    /** TODO JB: Check relocs */
    return dwords * 4 <= batch->size - (batch->ptr - batch->map);
-#else
-   if (batch->winsys->batch_start( batch->winsys, dwords, relocs ))
-      return 1;
-   return 0;
-#endif
 }
 
 static INLINE size_t
 i915_batchbuffer_space( struct i915_batchbuffer *batch )
 {
-#if 0 /* To be used */
    return batch->size - (batch->ptr - batch->map);
-#else
-   return 0;
-#endif
 }
 
 static INLINE void
 i915_batchbuffer_dword( struct i915_batchbuffer *batch,
 			unsigned dword )
 {
-#if 0 /* To be used */
    if (i915_batchbuffer_space(batch) < 4)
       return;
 
    *(unsigned *)batch->ptr = dword;
    batch->ptr += 4;
-#else
-   batch->winsys->batch_dword( batch->winsys, dword );
-#endif
 }
 
 static INLINE void
@@ -90,14 +77,11 @@ i915_batchbuffer_write( struct i915_batchbuffer *batch,
 			void *data,
 			size_t size )
 {
-#if 0 /* To be used */
    if (i915_batchbuffer_space(batch) < size)
       return;
 
    memcpy(data, batch->ptr, size);
    batch->ptr += size;
-#else
-#endif
 }
 
 static INLINE void
@@ -135,4 +119,4 @@ i915_batchbuffer_flush( struct i915_batchbuffer *batch,
    i915->hardware_dirty = ~0;				\
 } while (0)
 
-#endif 
+#endif
diff --git a/src/gallium/drivers/i915simple/i915_context.c b/src/gallium/drivers/i915simple/i915_context.c
index 378e4a5d4d..243b4a6852 100644
--- a/src/gallium/drivers/i915simple/i915_context.c
+++ b/src/gallium/drivers/i915simple/i915_context.c
@@ -181,7 +181,7 @@ struct pipe_context *i915_create_context( struct pipe_screen *screen,
 
    /* Batch stream debugging is a bit hacked up at the moment:
     */
-   i915->batch = CALLOC_STRUCT(i915_batchbuffer);
+   i915->batch = i915_winsys->batch_get(i915_winsys);
    i915->batch->winsys = i915_winsys;
 
    return &i915->pipe;
diff --git a/src/gallium/drivers/i915simple/i915_debug.c b/src/gallium/drivers/i915simple/i915_debug.c
index a121dc0af4..5e26d1b905 100644
--- a/src/gallium/drivers/i915simple/i915_debug.c
+++ b/src/gallium/drivers/i915simple/i915_debug.c
@@ -861,8 +861,9 @@ void
 i915_dump_batchbuffer( struct i915_context *i915 )
 {
    struct debug_stream stream;
+   /* TODO fix me */
    unsigned *start = 0;/*i915->batch_start;*/
-   unsigned *end = i915->winsys->batch_start( i915->winsys, 0, 0 );
+   unsigned *end = 0;/*i915->winsys->batch_start( i915->winsys, 0, 0 );*/
    unsigned long bytes = (unsigned long) (end - start) * 4;
    boolean done = FALSE;
 
diff --git a/src/gallium/drivers/i915simple/i915_winsys.h b/src/gallium/drivers/i915simple/i915_winsys.h
index 5e16543f4e..9afaa16a62 100644
--- a/src/gallium/drivers/i915simple/i915_winsys.h
+++ b/src/gallium/drivers/i915simple/i915_winsys.h
@@ -55,6 +55,7 @@ extern "C" {
  * etc.
  */
 
+struct i915_batchbuffer;
 struct pipe_buffer;
 struct pipe_fence_handle;
 struct pipe_winsys;
@@ -75,20 +76,10 @@ struct pipe_screen;
 struct i915_winsys {
 
    /**
-    * Reserve space on batch buffer. 
-    * 
-    * Returns a null pointer if there is insufficient space in the batch buffer 
-    * to hold the requested number of dwords and relocations.
-    * 
-    * The number of dwords should also include the number of relocations.
+    * Get the current batch buffer from the winsys.
     */
-   unsigned *(*batch_start)( struct i915_winsys *sws,
-			     unsigned dwords,
-			     unsigned relocs );
-   
-   void (*batch_dword)( struct i915_winsys *sws,
-			unsigned dword );
-   
+   struct i915_batchbuffer *(*batch_get)( struct i915_winsys *sws );
+
    /**
     * Emit a relocation to a buffer.
     * 
@@ -103,7 +94,10 @@ struct i915_winsys {
 			struct pipe_buffer *buf,
 			unsigned access_flags,
 			unsigned delta );
-   
+
+   /**
+    * Flush the batch.
+    */
    void (*batch_flush)( struct i915_winsys *sws,
                         struct pipe_fence_handle **fence );
 };