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5564 | serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright 2007 VMware, Inc. |
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4 | * All Rights Reserved. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the |
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8 | * "Software"), to deal in the Software without restriction, including |
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9 | * without limitation the rights to use, copy, modify, merge, publish, |
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10 | * distribute, sub license, and/or sell copies of the Software, and to |
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11 | * permit persons to whom the Software is furnished to do so, subject to |
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12 | * the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice (including the |
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15 | * next paragraph) shall be included in all copies or substantial portions |
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16 | * of the Software. |
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17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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21 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
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22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | * |
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26 | **************************************************************************/ |
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27 | |||
28 | #ifndef I915_BATCHBUFFER_H |
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29 | #define I915_BATCHBUFFER_H |
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30 | |||
31 | #include "i915_winsys.h" |
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32 | #include "util/u_debug.h" |
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33 | |||
34 | struct i915_context; |
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35 | |||
36 | static INLINE size_t |
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37 | i915_winsys_batchbuffer_space(struct i915_winsys_batchbuffer *batch) |
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38 | { |
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39 | return batch->size - (batch->ptr - batch->map); |
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40 | } |
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41 | |||
42 | static INLINE boolean |
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43 | i915_winsys_batchbuffer_check(struct i915_winsys_batchbuffer *batch, |
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44 | size_t dwords) |
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45 | { |
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46 | return dwords * 4 <= i915_winsys_batchbuffer_space(batch); |
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47 | } |
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48 | |||
49 | static INLINE void |
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50 | i915_winsys_batchbuffer_dword_unchecked(struct i915_winsys_batchbuffer *batch, |
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51 | unsigned dword) |
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52 | { |
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53 | *(unsigned *)batch->ptr = dword; |
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54 | batch->ptr += 4; |
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55 | } |
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56 | |||
57 | static INLINE void |
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58 | i915_winsys_batchbuffer_float(struct i915_winsys_batchbuffer *batch, |
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59 | float f) |
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60 | { |
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61 | union { float f; unsigned int ui; } uif; |
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62 | uif.f = f; |
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63 | assert (i915_winsys_batchbuffer_space(batch) >= 4); |
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64 | i915_winsys_batchbuffer_dword_unchecked(batch, uif.ui); |
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65 | } |
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66 | |||
67 | static INLINE void |
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68 | i915_winsys_batchbuffer_dword(struct i915_winsys_batchbuffer *batch, |
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69 | unsigned dword) |
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70 | { |
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71 | assert (i915_winsys_batchbuffer_space(batch) >= 4); |
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72 | i915_winsys_batchbuffer_dword_unchecked(batch, dword); |
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73 | } |
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74 | |||
75 | static INLINE void |
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76 | i915_winsys_batchbuffer_write(struct i915_winsys_batchbuffer *batch, |
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77 | void *data, |
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78 | size_t size) |
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79 | { |
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80 | assert (i915_winsys_batchbuffer_space(batch) >= size); |
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81 | |||
82 | memcpy(batch->ptr, data, size); |
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83 | batch->ptr += size; |
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84 | } |
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85 | |||
86 | static INLINE boolean |
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87 | i915_winsys_validate_buffers(struct i915_winsys_batchbuffer *batch, |
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88 | struct i915_winsys_buffer **buffers, |
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89 | int num_of_buffers) |
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90 | { |
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91 | return batch->iws->validate_buffers(batch, buffers, num_of_buffers); |
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92 | } |
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93 | |||
94 | static INLINE int |
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95 | i915_winsys_batchbuffer_reloc(struct i915_winsys_batchbuffer *batch, |
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96 | struct i915_winsys_buffer *buffer, |
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97 | enum i915_winsys_buffer_usage usage, |
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98 | size_t offset, boolean fenced) |
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99 | { |
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100 | return batch->iws->batchbuffer_reloc(batch, buffer, usage, offset, fenced); |
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101 | } |
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102 | |||
103 | #endif=> |