/************************************************************************** * * 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_BATCH_H #define I915_BATCH_H #include "i915_winsys.h" struct i915_batchbuffer { struct pipe_buffer *buffer; struct i915_winsys *winsys; unsigned char *map; unsigned char *ptr; size_t size; size_t actual_size; size_t relocs; size_t max_relocs; }; static INLINE boolean i915_batchbuffer_check( struct i915_batchbuffer *batch, size_t dwords, size_t relocs ) { /** TODO JB: Check relocs */ return dwords * 4 <= batch->size - (batch->ptr - batch->map); } static INLINE size_t i915_batchbuffer_space( struct i915_batchbuffer *batch ) { return batch->size - (batch->ptr - batch->map); } static INLINE void i915_batchbuffer_dword( struct i915_batchbuffer *batch, unsigned dword ) { if (i915_batchbuffer_space(batch) < 4) return; *(unsigned *)batch->ptr = dword; batch->ptr += 4; } static INLINE void i915_batchbuffer_write( struct i915_batchbuffer *batch, void *data, size_t size ) { if (i915_batchbuffer_space(batch) < size) return; memcpy(data, batch->ptr, size); batch->ptr += size; } static INLINE void i915_batchbuffer_reloc( struct i915_batchbuffer *batch, struct pipe_buffer *buffer, size_t flags, size_t offset ) { batch->winsys->batch_reloc( batch->winsys, buffer, flags, offset ); } static INLINE void i915_batchbuffer_flush( struct i915_batchbuffer *batch, struct pipe_fence_handle **fence ) { batch->winsys->batch_flush( batch->winsys, fence ); } #define BEGIN_BATCH( dwords, relocs ) \ (i915_batchbuffer_check( i915->batch, dwords, relocs )) #define OUT_BATCH( dword ) \ i915_batchbuffer_dword( i915->batch, dword ) #define OUT_RELOC( buf, flags, delta ) \ i915_batchbuffer_reloc( i915->batch, buf, flags, delta ) #define FLUSH_BATCH(fence) do { \ i915->winsys->batch_flush( i915->winsys, fence ); \ i915->hardware_dirty = ~0; \ } while (0) #endif