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| Rev | Author | Line No. | Line |
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| 3254 | Serge | 1 | /* |
| 2 | * Copyright © 2011 Intel Corporation |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | * Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice (including the next |
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| 12 | * paragraph) shall be included in all copies or substantial portions of the |
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| 13 | * Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 21 | * SOFTWARE. |
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| 22 | * |
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| 23 | * Authors: |
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| 24 | * Chris Wilson |
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| 25 | * |
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| 26 | */ |
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| 27 | |||
| 28 | #include "sna.h" |
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| 29 | #include "sna_render.h" |
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| 30 | #include "brw/brw.h" |
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| 31 | |||
| 32 | int sna_static_stream_init(struct sna_static_stream *stream) |
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| 33 | { |
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| 34 | stream->used = 0; |
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| 35 | stream->size = 64*1024; |
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| 36 | |||
| 37 | stream->data = malloc(stream->size); |
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| 38 | return stream->data != NULL; |
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| 39 | } |
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| 40 | |||
| 41 | static uint32_t sna_static_stream_alloc(struct sna_static_stream *stream, |
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| 42 | uint32_t len, uint32_t align) |
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| 43 | { |
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| 44 | uint32_t offset = ALIGN(stream->used, align); |
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| 45 | uint32_t size = offset + len; |
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| 46 | |||
| 47 | if (size > stream->size) { |
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| 48 | do |
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| 49 | stream->size *= 2; |
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| 50 | while (stream->size < size); |
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| 51 | |||
| 52 | stream->data = realloc(stream->data, stream->size); |
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| 53 | } |
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| 54 | |||
| 55 | stream->used = size; |
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| 56 | return offset; |
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| 57 | } |
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| 58 | |||
| 59 | uint32_t sna_static_stream_add(struct sna_static_stream *stream, |
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| 60 | const void *data, uint32_t len, uint32_t align) |
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| 61 | { |
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| 62 | uint32_t offset = sna_static_stream_alloc(stream, len, align); |
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| 63 | memcpy(stream->data + offset, data, len); |
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| 64 | return offset; |
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| 65 | } |
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| 66 | |||
| 67 | void *sna_static_stream_map(struct sna_static_stream *stream, |
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| 68 | uint32_t len, uint32_t align) |
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| 69 | { |
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| 70 | uint32_t offset = sna_static_stream_alloc(stream, len, align); |
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| 71 | return memset(stream->data + offset, 0, len); |
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| 72 | } |
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| 73 | |||
| 74 | uint32_t sna_static_stream_offsetof(struct sna_static_stream *stream, void *ptr) |
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| 75 | { |
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| 76 | return (uint8_t *)ptr - stream->data; |
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| 77 | } |
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| 78 | |||
| 79 | struct kgem_bo *sna_static_stream_fini(struct sna *sna, |
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| 80 | struct sna_static_stream *stream) |
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| 81 | { |
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| 82 | struct kgem_bo *bo; |
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| 83 | |||
| 84 | DBG(("uploaded %d bytes of static state\n", stream->used)); |
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| 85 | |||
| 86 | bo = kgem_create_linear(&sna->kgem, stream->used, 0); |
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| 87 | if (bo && !kgem_bo_write(&sna->kgem, bo, stream->data, stream->used)) { |
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| 3255 | Serge | 88 | kgem_bo_destroy(&sna->kgem, bo); |
| 3254 | Serge | 89 | return NULL; |
| 90 | } |
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| 91 | |||
| 92 | free(stream->data); |
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| 93 | |||
| 94 | return bo; |
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| 95 | } |
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| 3280 | Serge | 96 | |
| 3254 | Serge | 97 | unsigned |
| 3280 | Serge | 98 | sna_static_stream_compile_sf(struct sna *sna, |
| 99 | struct sna_static_stream *stream, |
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| 100 | bool (*compile)(struct brw_compile *)) |
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| 101 | { |
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| 102 | struct brw_compile p; |
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| 103 | |||
| 104 | brw_compile_init(&p, sna->kgem.gen, |
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| 105 | sna_static_stream_map(stream, |
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| 106 | 64*sizeof(uint32_t), 64)); |
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| 107 | |||
| 108 | if (!compile(&p)) { |
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| 109 | stream->used -= 64*sizeof(uint32_t); |
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| 110 | return 0; |
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| 111 | } |
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| 112 | |||
| 113 | assert(p.nr_insn*sizeof(struct brw_instruction) <= 64*sizeof(uint32_t)); |
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| 114 | |||
| 115 | stream->used -= 64*sizeof(uint32_t) - p.nr_insn*sizeof(struct brw_instruction); |
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| 116 | return sna_static_stream_offsetof(stream, p.store); |
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| 117 | } |
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| 118 | |||
| 119 | |||
| 120 | unsigned |
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| 3254 | Serge | 121 | sna_static_stream_compile_wm(struct sna *sna, |
| 122 | struct sna_static_stream *stream, |
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| 123 | bool (*compile)(struct brw_compile *, int), |
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| 124 | int dispatch_width) |
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| 125 | { |
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| 126 | struct brw_compile p; |
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| 127 | |||
| 128 | brw_compile_init(&p, sna->kgem.gen, |
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| 129 | sna_static_stream_map(stream, |
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| 130 | 256*sizeof(uint32_t), 64)); |
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| 131 | |||
| 132 | if (!compile(&p, dispatch_width)) { |
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| 133 | stream->used -= 256*sizeof(uint32_t); |
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| 134 | return 0; |
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| 135 | } |
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| 136 | |||
| 137 | assert(p.nr_insn*sizeof(struct brw_instruction) <= 256*sizeof(uint32_t)); |
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| 138 | |||
| 139 | stream->used -= 256*sizeof(uint32_t) - p.nr_insn*sizeof(struct brw_instruction); |
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| 140 | return sna_static_stream_offsetof(stream, p.store); |
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| 141 | } |