Merge remote branch 'origin/master' into gallium_draw_llvm

1 files changed, 87 insertions, 0 deletions

diff --git a/src/gallium/drivers/i915/i915_batchbuffer.h b/src/gallium/drivers/i915/i915_batchbuffer.h
new file mode 100644
index 00000000000..27ccaa6b1fa
--- /dev/null
+++ b/src/gallium/drivers/i915/i915_batchbuffer.h
@@ -0,0 +1,87 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef I915_BATCHBUFFER_H
+#define I915_BATCHBUFFER_H
+
+#include "i915_winsys.h"
+
+static INLINE boolean
+i915_winsys_batchbuffer_check(struct i915_winsys_batchbuffer *batch,
+                              size_t dwords,
+                              size_t relocs)
+{
+   return dwords * 4 <= batch->size - (batch->ptr - batch->map) &&
+          relocs <= (batch->max_relocs - batch->relocs);
+}
+
+static INLINE size_t
+i915_winsys_batchbuffer_space(struct i915_winsys_batchbuffer *batch)
+{
+   return batch->size - (batch->ptr - batch->map);
+}
+
+static INLINE void
+i915_winsys_batchbuffer_dword(struct i915_winsys_batchbuffer *batch,
+                              unsigned dword)
+{
+   if (i915_winsys_batchbuffer_space(batch) < 4)
+      return;
+
+   *(unsigned *)batch->ptr = dword;
+   batch->ptr += 4;
+}
+
+static INLINE void
+i915_winsys_batchbuffer_write(struct i915_winsys_batchbuffer *batch,
+                       void *data,
+                       size_t size)
+{
+   if (i915_winsys_batchbuffer_space(batch) < size)
+      return;
+
+   memcpy(data, batch->ptr, size);
+   batch->ptr += size;
+}
+
+static INLINE int
+i915_winsys_batchbuffer_reloc(struct i915_winsys_batchbuffer *batch,
+                              struct i915_winsys_buffer *buffer,
+                              enum i915_winsys_buffer_usage usage,
+                              size_t offset)
+{
+   return batch->iws->batchbuffer_reloc(batch, buffer, usage, offset);
+}
+
+static INLINE void
+i915_winsys_batchbuffer_flush(struct i915_winsys_batchbuffer *batch,
+                              struct pipe_fence_handle **fence)
+{
+   batch->iws->batchbuffer_flush(batch, fence);
+}
+
+#endif