1/************************************************************************** 2 * 3 * Copyright 2007 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#ifndef I915_BATCHBUFFER_H 29#define I915_BATCHBUFFER_H 30 31#include "i915_winsys.h" 32#include "util/u_debug.h" 33 34struct i915_context; 35 36static inline size_t 37i915_winsys_batchbuffer_space(struct i915_winsys_batchbuffer *batch) 38{ 39 return batch->size - (batch->ptr - batch->map); 40} 41 42static inline boolean 43i915_winsys_batchbuffer_check(struct i915_winsys_batchbuffer *batch, 44 size_t dwords) 45{ 46 return dwords * 4 <= i915_winsys_batchbuffer_space(batch); 47} 48 49static inline void 50i915_winsys_batchbuffer_dword_unchecked(struct i915_winsys_batchbuffer *batch, 51 unsigned dword) 52{ 53 *(unsigned *)batch->ptr = dword; 54 batch->ptr += 4; 55} 56 57static inline void 58i915_winsys_batchbuffer_float(struct i915_winsys_batchbuffer *batch, 59 float f) 60{ 61 union { float f; unsigned int ui; } uif; 62 uif.f = f; 63 assert (i915_winsys_batchbuffer_space(batch) >= 4); 64 i915_winsys_batchbuffer_dword_unchecked(batch, uif.ui); 65} 66 67static inline void 68i915_winsys_batchbuffer_dword(struct i915_winsys_batchbuffer *batch, 69 unsigned dword) 70{ 71 assert (i915_winsys_batchbuffer_space(batch) >= 4); 72 i915_winsys_batchbuffer_dword_unchecked(batch, dword); 73} 74 75static inline void 76i915_winsys_batchbuffer_write(struct i915_winsys_batchbuffer *batch, 77 void *data, 78 size_t size) 79{ 80 assert (i915_winsys_batchbuffer_space(batch) >= size); 81 82 memcpy(batch->ptr, data, size); 83 batch->ptr += size; 84} 85 86static inline boolean 87i915_winsys_validate_buffers(struct i915_winsys_batchbuffer *batch, 88 struct i915_winsys_buffer **buffers, 89 int num_of_buffers) 90{ 91 return batch->iws->validate_buffers(batch, buffers, num_of_buffers); 92} 93 94static inline int 95i915_winsys_batchbuffer_reloc(struct i915_winsys_batchbuffer *batch, 96 struct i915_winsys_buffer *buffer, 97 enum i915_winsys_buffer_usage usage, 98 size_t offset, boolean fenced) 99{ 100 return batch->iws->batchbuffer_reloc(batch, buffer, usage, offset, fenced); 101} 102 103#endif 104