diff options
Diffstat (limited to 'src/gallium/drivers/i915/i915_batchbuffer.h')
-rw-r--r-- | src/gallium/drivers/i915/i915_batchbuffer.h | 87 |
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 0000000000..27ccaa6b1f --- /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 |