1 /************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 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 TUNGSTEN GRAPHICS 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 29 /** 30 * glBegin/EndQuery interface to pipe 31 * 32 * \author Brian Paul 33 */ 34 35 36 #include "main/imports.h" 37 #include "main/context.h" 38 #include "main/mfeatures.h" 39 40 #include "pipe/p_context.h" 41 #include "pipe/p_defines.h" 42 #include "pipe/p_screen.h" 43 #include "st_context.h" 44 #include "st_cb_queryobj.h" 45 #include "st_cb_bitmap.h" 46 47 48 #if FEATURE_queryobj 49 50 static struct gl_query_object * 51 st_NewQueryObject(struct gl_context *ctx, GLuint id) 52 { 53 struct st_query_object *stq = ST_CALLOC_STRUCT(st_query_object); 54 if (stq) { 55 stq->base.Id = id; 56 stq->base.Ready = GL_TRUE; 57 stq->pq = NULL; 58 stq->type = PIPE_QUERY_TYPES; /* an invalid value */ 59 return &stq->base; 60 } 61 return NULL; 62 } 63 64 65 66 static void 67 st_DeleteQuery(struct gl_context *ctx, struct gl_query_object *q) 68 { 69 struct pipe_context *pipe = st_context(ctx)->pipe; 70 struct st_query_object *stq = st_query_object(q); 71 72 if (stq->pq) { 73 pipe->destroy_query(pipe, stq->pq); 74 stq->pq = NULL; 75 } 76 77 free(stq); 78 } 79 80 81 static void 82 st_BeginQuery(struct gl_context *ctx, struct gl_query_object *q) 83 { 84 struct pipe_context *pipe = st_context(ctx)->pipe; 85 struct st_query_object *stq = st_query_object(q); 86 unsigned type; 87 88 st_flush_bitmap_cache(st_context(ctx)); 89 90 /* convert GL query type to Gallium query type */ 91 switch (q->Target) { 92 case GL_ANY_SAMPLES_PASSED: 93 /* fall-through */ 94 case GL_SAMPLES_PASSED_ARB: 95 type = PIPE_QUERY_OCCLUSION_COUNTER; 96 break; 97 case GL_PRIMITIVES_GENERATED: 98 type = PIPE_QUERY_PRIMITIVES_GENERATED; 99 break; 100 case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN: 101 type = PIPE_QUERY_PRIMITIVES_EMITTED; 102 break; 103 case GL_TIME_ELAPSED_EXT: 104 type = PIPE_QUERY_TIME_ELAPSED; 105 break; 106 default: 107 assert(0 && "unexpected query target in st_BeginQuery()"); 108 return; 109 } 110 111 if (stq->pq && stq->type != type) { 112 /* free old query of different type */ 113 pipe->destroy_query(pipe, stq->pq); 114 stq->pq = NULL; 115 stq->type = PIPE_QUERY_TYPES; /* an invalid value */ 116 } 117 118 if (!stq->pq) { 119 stq->pq = pipe->create_query(pipe, type); 120 stq->type = type; 121 } 122 123 assert(stq->type == type); 124 125 pipe->begin_query(pipe, stq->pq); 126 } 127 128 129 static void 130 st_EndQuery(struct gl_context *ctx, struct gl_query_object *q) 131 { 132 struct pipe_context *pipe = st_context(ctx)->pipe; 133 struct st_query_object *stq = st_query_object(q); 134 135 st_flush_bitmap_cache(st_context(ctx)); 136 137 if (q->Target == GL_TIMESTAMP && !stq->pq) { 138 stq->pq = pipe->create_query(pipe, PIPE_QUERY_TIMESTAMP); 139 stq->type = PIPE_QUERY_TIMESTAMP; 140 } 141 142 pipe->end_query(pipe, stq->pq); 143 } 144 145 146 static void 147 st_WaitQuery(struct gl_context *ctx, struct gl_query_object *q) 148 { 149 struct pipe_context *pipe = st_context(ctx)->pipe; 150 struct st_query_object *stq = st_query_object(q); 151 152 /* this function should only be called if we don't have a ready result */ 153 assert(!stq->base.Ready); 154 155 while (!stq->base.Ready && 156 !pipe->get_query_result(pipe, 157 stq->pq, 158 TRUE, 159 (void*)&q->Result)) 160 { 161 /* nothing */ 162 } 163 164 q->Ready = GL_TRUE; 165 } 166 167 168 static void 169 st_CheckQuery(struct gl_context *ctx, struct gl_query_object *q) 170 { 171 struct pipe_context *pipe = st_context(ctx)->pipe; 172 struct st_query_object *stq = st_query_object(q); 173 assert(!q->Ready); /* we should not get called if Ready is TRUE */ 174 q->Ready = pipe->get_query_result(pipe, stq->pq, FALSE, (void*)&q->Result); 175 } 176 177 178 static uint64_t 179 st_GetTimestamp(struct gl_context *ctx) 180 { 181 struct pipe_screen *screen = st_context(ctx)->pipe->screen; 182 183 return screen->get_timestamp(screen); 184 } 185 186 187 void st_init_query_functions(struct dd_function_table *functions) 188 { 189 functions->NewQueryObject = st_NewQueryObject; 190 functions->DeleteQuery = st_DeleteQuery; 191 functions->BeginQuery = st_BeginQuery; 192 functions->EndQuery = st_EndQuery; 193 functions->WaitQuery = st_WaitQuery; 194 functions->CheckQuery = st_CheckQuery; 195 functions->GetTimestamp = st_GetTimestamp; 196 } 197 198 #endif /* FEATURE_queryobj */ 199
