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| Rev | Author | Line No. | Line |
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| 5564 | serge | 1 | /* |
| 2 | * Copyright 2009 Corbin Simpson |
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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 | * on the rights to use, copy, modify, merge, publish, distribute, sub |
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| 8 | * license, and/or sell copies of the Software, and to permit persons to whom |
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| 9 | * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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| 19 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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| 20 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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| 21 | * USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
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| 22 | |||
| 23 | #include "util/u_memory.h" |
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| 24 | #include "util/simple_list.h" |
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| 25 | |||
| 26 | #include "r300_context.h" |
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| 27 | #include "r300_screen.h" |
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| 28 | #include "r300_emit.h" |
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| 29 | |||
| 30 | #include |
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| 31 | |||
| 32 | static struct pipe_query *r300_create_query(struct pipe_context *pipe, |
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| 33 | unsigned query_type, |
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| 34 | unsigned index) |
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| 35 | { |
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| 36 | struct r300_context *r300 = r300_context(pipe); |
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| 37 | struct r300_screen *r300screen = r300->screen; |
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| 38 | struct r300_query *q; |
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| 39 | |||
| 40 | if (query_type != PIPE_QUERY_OCCLUSION_COUNTER && |
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| 41 | query_type != PIPE_QUERY_OCCLUSION_PREDICATE && |
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| 42 | query_type != PIPE_QUERY_GPU_FINISHED) { |
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| 43 | return NULL; |
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| 44 | } |
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| 45 | |||
| 46 | q = CALLOC_STRUCT(r300_query); |
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| 47 | if (!q) |
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| 48 | return NULL; |
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| 49 | |||
| 50 | q->type = query_type; |
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| 51 | |||
| 52 | if (query_type == PIPE_QUERY_GPU_FINISHED) { |
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| 53 | return (struct pipe_query*)q; |
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| 54 | } |
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| 55 | |||
| 56 | if (r300screen->caps.family == CHIP_RV530) |
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| 57 | q->num_pipes = r300screen->info.r300_num_z_pipes; |
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| 58 | else |
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| 59 | q->num_pipes = r300screen->info.r300_num_gb_pipes; |
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| 60 | |||
| 61 | q->buf = r300->rws->buffer_create(r300->rws, 4096, 4096, TRUE, |
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| 62 | RADEON_DOMAIN_GTT, 0); |
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| 63 | if (!q->buf) { |
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| 64 | FREE(q); |
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| 65 | return NULL; |
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| 66 | } |
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| 67 | q->cs_buf = r300->rws->buffer_get_cs_handle(q->buf); |
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| 68 | |||
| 69 | return (struct pipe_query*)q; |
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| 70 | } |
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| 71 | |||
| 72 | static void r300_destroy_query(struct pipe_context* pipe, |
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| 73 | struct pipe_query* query) |
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| 74 | { |
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| 75 | struct r300_query* q = r300_query(query); |
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| 76 | |||
| 77 | pb_reference(&q->buf, NULL); |
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| 78 | FREE(query); |
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| 79 | } |
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| 80 | |||
| 81 | void r300_resume_query(struct r300_context *r300, |
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| 82 | struct r300_query *query) |
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| 83 | { |
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| 84 | r300->query_current = query; |
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| 85 | r300_mark_atom_dirty(r300, &r300->query_start); |
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| 86 | } |
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| 87 | |||
| 88 | static boolean r300_begin_query(struct pipe_context* pipe, |
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| 89 | struct pipe_query* query) |
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| 90 | { |
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| 91 | struct r300_context* r300 = r300_context(pipe); |
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| 92 | struct r300_query* q = r300_query(query); |
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| 93 | |||
| 94 | if (q->type == PIPE_QUERY_GPU_FINISHED) |
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| 95 | return true; |
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| 96 | |||
| 97 | if (r300->query_current != NULL) { |
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| 98 | fprintf(stderr, "r300: begin_query: " |
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| 99 | "Some other query has already been started.\n"); |
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| 100 | assert(0); |
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| 101 | return false; |
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| 102 | } |
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| 103 | |||
| 104 | q->num_results = 0; |
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| 105 | r300_resume_query(r300, q); |
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| 106 | return true; |
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| 107 | } |
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| 108 | |||
| 109 | void r300_stop_query(struct r300_context *r300) |
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| 110 | { |
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| 111 | r300_emit_query_end(r300); |
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| 112 | r300->query_current = NULL; |
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| 113 | } |
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| 114 | |||
| 115 | static void r300_end_query(struct pipe_context* pipe, |
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| 116 | struct pipe_query* query) |
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| 117 | { |
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| 118 | struct r300_context* r300 = r300_context(pipe); |
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| 119 | struct r300_query *q = r300_query(query); |
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| 120 | |||
| 121 | if (q->type == PIPE_QUERY_GPU_FINISHED) { |
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| 122 | pb_reference(&q->buf, NULL); |
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| 123 | r300_flush(pipe, RADEON_FLUSH_ASYNC, |
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| 124 | (struct pipe_fence_handle**)&q->buf); |
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| 125 | return; |
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| 126 | } |
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| 127 | |||
| 128 | if (q != r300->query_current) { |
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| 129 | fprintf(stderr, "r300: end_query: Got invalid query.\n"); |
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| 130 | assert(0); |
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| 131 | return; |
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| 132 | } |
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| 133 | |||
| 134 | r300_stop_query(r300); |
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| 135 | } |
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| 136 | |||
| 137 | static boolean r300_get_query_result(struct pipe_context* pipe, |
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| 138 | struct pipe_query* query, |
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| 139 | boolean wait, |
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| 140 | union pipe_query_result *vresult) |
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| 141 | { |
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| 142 | struct r300_context* r300 = r300_context(pipe); |
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| 143 | struct r300_query *q = r300_query(query); |
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| 144 | unsigned i; |
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| 145 | uint32_t temp, *map; |
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| 146 | |||
| 147 | if (q->type == PIPE_QUERY_GPU_FINISHED) { |
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| 148 | if (wait) { |
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| 149 | r300->rws->buffer_wait(q->buf, RADEON_USAGE_READWRITE); |
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| 150 | vresult->b = TRUE; |
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| 151 | } else { |
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| 152 | vresult->b = !r300->rws->buffer_is_busy(q->buf, RADEON_USAGE_READWRITE); |
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| 153 | } |
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| 154 | return vresult->b; |
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| 155 | } |
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| 156 | |||
| 157 | map = r300->rws->buffer_map(q->cs_buf, r300->cs, |
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| 158 | PIPE_TRANSFER_READ | |
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| 159 | (!wait ? PIPE_TRANSFER_DONTBLOCK : 0)); |
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| 160 | if (!map) |
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| 161 | return FALSE; |
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| 162 | |||
| 163 | /* Sum up the results. */ |
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| 164 | temp = 0; |
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| 165 | for (i = 0; i < q->num_results; i++) { |
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| 166 | /* Convert little endian values written by GPU to CPU byte order */ |
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| 167 | temp += util_le32_to_cpu(*map); |
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| 168 | map++; |
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| 169 | } |
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| 170 | |||
| 171 | r300->rws->buffer_unmap(q->cs_buf); |
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| 172 | |||
| 173 | if (q->type == PIPE_QUERY_OCCLUSION_PREDICATE) { |
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| 174 | vresult->b = temp != 0; |
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| 175 | } else { |
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| 176 | vresult->u64 = temp; |
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| 177 | } |
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| 178 | return TRUE; |
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| 179 | } |
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| 180 | |||
| 181 | static void r300_render_condition(struct pipe_context *pipe, |
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| 182 | struct pipe_query *query, |
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| 183 | boolean condition, |
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| 184 | uint mode) |
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| 185 | { |
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| 186 | struct r300_context *r300 = r300_context(pipe); |
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| 187 | union pipe_query_result result; |
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| 188 | boolean wait; |
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| 189 | |||
| 190 | r300->skip_rendering = FALSE; |
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| 191 | |||
| 192 | if (query) { |
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| 193 | wait = mode == PIPE_RENDER_COND_WAIT || |
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| 194 | mode == PIPE_RENDER_COND_BY_REGION_WAIT; |
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| 195 | |||
| 196 | if (r300_get_query_result(pipe, query, wait, &result)) { |
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| 197 | if (r300_query(query)->type == PIPE_QUERY_OCCLUSION_PREDICATE) { |
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| 198 | r300->skip_rendering = condition == result.b; |
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| 199 | } else { |
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| 200 | r300->skip_rendering = condition == !!result.u64; |
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| 201 | } |
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| 202 | } |
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| 203 | } |
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| 204 | } |
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| 205 | |||
| 206 | void r300_init_query_functions(struct r300_context* r300) |
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| 207 | { |
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| 208 | r300->context.create_query = r300_create_query; |
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| 209 | r300->context.destroy_query = r300_destroy_query; |
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| 210 | r300->context.begin_query = r300_begin_query; |
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| 211 | r300->context.end_query = r300_end_query; |
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| 212 | r300->context.get_query_result = r300_get_query_result; |
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| 213 | r300->context.render_condition = r300_render_condition; |
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| 214 | } |