diff options
Diffstat (limited to 'mesalib/src/mesa/main/queryobj.c')
| -rw-r--r-- | mesalib/src/mesa/main/queryobj.c | 576 |
1 files changed, 576 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/queryobj.c b/mesalib/src/mesa/main/queryobj.c new file mode 100644 index 000000000..a73c6e050 --- /dev/null +++ b/mesalib/src/mesa/main/queryobj.c @@ -0,0 +1,576 @@ +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "context.h" +#include "hash.h" +#include "imports.h" +#include "queryobj.h" +#include "mtypes.h" + + +/** + * Allocate a new query object. This is a fallback routine called via + * ctx->Driver.NewQueryObject(). + * \param ctx - rendering context + * \param id - the new object's ID + * \return pointer to new query_object object or NULL if out of memory. + */ +static struct gl_query_object * +_mesa_new_query_object(GLcontext *ctx, GLuint id) +{ + struct gl_query_object *q = MALLOC_STRUCT(gl_query_object); + (void) ctx; + if (q) { + q->Id = id; + q->Result = 0; + q->Active = GL_FALSE; + q->Ready = GL_TRUE; /* correct, see spec */ + } + return q; +} + + +/** + * Begin a query. Software driver fallback. + * Called via ctx->Driver.BeginQuery(). + */ +static void +_mesa_begin_query(GLcontext *ctx, struct gl_query_object *q) +{ + /* no-op */ +} + + +/** + * End a query. Software driver fallback. + * Called via ctx->Driver.EndQuery(). + */ +static void +_mesa_end_query(GLcontext *ctx, struct gl_query_object *q) +{ + q->Ready = GL_TRUE; +} + + +/** + * Wait for query to complete. Software driver fallback. + * Called via ctx->Driver.WaitQuery(). + */ +static void +_mesa_wait_query(GLcontext *ctx, struct gl_query_object *q) +{ + /* For software drivers, _mesa_end_query() should have completed the query. + * For real hardware, implement a proper WaitQuery() driver function, + * which may require issuing a flush. + */ + assert(q->Ready); +} + + +/** + * Check if a query results are ready. Software driver fallback. + * Called via ctx->Driver.CheckQuery(). + */ +static void +_mesa_check_query(GLcontext *ctx, struct gl_query_object *q) +{ + /* No-op for sw rendering. + * HW drivers may need to flush at this time. + */ +} + + +/** + * Delete a query object. Called via ctx->Driver.DeleteQuery(). + * Not removed from hash table here. + */ +static void +_mesa_delete_query(GLcontext *ctx, struct gl_query_object *q) +{ + _mesa_free(q); +} + + +static struct gl_query_object * +lookup_query_object(GLcontext *ctx, GLuint id) +{ + return (struct gl_query_object *) + _mesa_HashLookup(ctx->Query.QueryObjects, id); +} + + + +void +_mesa_init_query_object_functions(struct dd_function_table *driver) +{ + driver->NewQueryObject = _mesa_new_query_object; + driver->DeleteQuery = _mesa_delete_query; + driver->BeginQuery = _mesa_begin_query; + driver->EndQuery = _mesa_end_query; + driver->WaitQuery = _mesa_wait_query; + driver->CheckQuery = _mesa_check_query; +} + + +void GLAPIENTRY +_mesa_GenQueriesARB(GLsizei n, GLuint *ids) +{ + GLuint first; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (n < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGenQueriesARB(n < 0)"); + return; + } + + /* No query objects can be active at this time! */ + if (ctx->Query.CurrentOcclusionObject || + ctx->Query.CurrentTimerObject) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGenQueriesARB"); + return; + } + + first = _mesa_HashFindFreeKeyBlock(ctx->Query.QueryObjects, n); + if (first) { + GLsizei i; + for (i = 0; i < n; i++) { + struct gl_query_object *q + = ctx->Driver.NewQueryObject(ctx, first + i); + if (!q) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenQueriesARB"); + return; + } + ids[i] = first + i; + _mesa_HashInsert(ctx->Query.QueryObjects, first + i, q); + } + } +} + + +void GLAPIENTRY +_mesa_DeleteQueriesARB(GLsizei n, const GLuint *ids) +{ + GLint i; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (n < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteQueriesARB(n < 0)"); + return; + } + + /* No query objects can be active at this time! */ + if (ctx->Query.CurrentOcclusionObject || + ctx->Query.CurrentTimerObject) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glDeleteQueriesARB"); + return; + } + + for (i = 0; i < n; i++) { + if (ids[i] > 0) { + struct gl_query_object *q = lookup_query_object(ctx, ids[i]); + if (q) { + ASSERT(!q->Active); /* should be caught earlier */ + _mesa_HashRemove(ctx->Query.QueryObjects, ids[i]); + ctx->Driver.DeleteQuery(ctx, q); + } + } + } +} + + +GLboolean GLAPIENTRY +_mesa_IsQueryARB(GLuint id) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (id && lookup_query_object(ctx, id)) + return GL_TRUE; + else + return GL_FALSE; +} + + +void GLAPIENTRY +_mesa_BeginQueryARB(GLenum target, GLuint id) +{ + struct gl_query_object *q; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + FLUSH_VERTICES(ctx, _NEW_DEPTH); + + switch (target) { + case GL_SAMPLES_PASSED_ARB: + if (!ctx->Extensions.ARB_occlusion_query) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)"); + return; + } + if (ctx->Query.CurrentOcclusionObject) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB"); + return; + } + break; +#if FEATURE_EXT_timer_query + case GL_TIME_ELAPSED_EXT: + if (!ctx->Extensions.EXT_timer_query) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)"); + return; + } + if (ctx->Query.CurrentTimerObject) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB"); + return; + } + break; +#endif + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)"); + return; + } + + if (id == 0) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB(id==0)"); + return; + } + + q = lookup_query_object(ctx, id); + if (!q) { + /* create new object */ + q = ctx->Driver.NewQueryObject(ctx, id); + if (!q) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBeginQueryARB"); + return; + } + _mesa_HashInsert(ctx->Query.QueryObjects, id, q); + } + else { + /* pre-existing object */ + if (q->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBeginQueryARB(query already active)"); + return; + } + } + + q->Target = target; + q->Active = GL_TRUE; + q->Result = 0; + q->Ready = GL_FALSE; + + if (target == GL_SAMPLES_PASSED_ARB) { + ctx->Query.CurrentOcclusionObject = q; + } +#if FEATURE_EXT_timer_query + else if (target == GL_TIME_ELAPSED_EXT) { + ctx->Query.CurrentTimerObject = q; + } +#endif + + ctx->Driver.BeginQuery(ctx, q); +} + + +void GLAPIENTRY +_mesa_EndQueryARB(GLenum target) +{ + struct gl_query_object *q; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + FLUSH_VERTICES(ctx, _NEW_DEPTH); + + switch (target) { + case GL_SAMPLES_PASSED_ARB: + if (!ctx->Extensions.ARB_occlusion_query) { + _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)"); + return; + } + q = ctx->Query.CurrentOcclusionObject; + ctx->Query.CurrentOcclusionObject = NULL; + break; +#if FEATURE_EXT_timer_query + case GL_TIME_ELAPSED_EXT: + if (!ctx->Extensions.EXT_timer_query) { + _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)"); + return; + } + q = ctx->Query.CurrentTimerObject; + ctx->Query.CurrentTimerObject = NULL; + break; +#endif + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)"); + return; + } + + if (!q || !q->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glEndQueryARB(no matching glBeginQueryARB)"); + return; + } + + q->Active = GL_FALSE; + ctx->Driver.EndQuery(ctx, q); +} + + +void GLAPIENTRY +_mesa_GetQueryivARB(GLenum target, GLenum pname, GLint *params) +{ + struct gl_query_object *q; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (target) { + case GL_SAMPLES_PASSED_ARB: + if (!ctx->Extensions.ARB_occlusion_query) { + _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)"); + return; + } + q = ctx->Query.CurrentOcclusionObject; + break; +#if FEATURE_EXT_timer_query + case GL_TIME_ELAPSED_EXT: + if (!ctx->Extensions.EXT_timer_query) { + _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)"); + return; + } + q = ctx->Query.CurrentTimerObject; + break; +#endif + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivARB(target)"); + return; + } + + switch (pname) { + case GL_QUERY_COUNTER_BITS_ARB: + *params = 8 * sizeof(q->Result); + break; + case GL_CURRENT_QUERY_ARB: + *params = q ? q->Id : 0; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivARB(pname)"); + return; + } +} + + +void GLAPIENTRY +_mesa_GetQueryObjectivARB(GLuint id, GLenum pname, GLint *params) +{ + struct gl_query_object *q = NULL; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (id) + q = lookup_query_object(ctx, id); + + if (!q || q->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glGetQueryObjectivARB(id=%d is invalid or active)", id); + return; + } + + switch (pname) { + case GL_QUERY_RESULT_ARB: + if (!q->Ready) + ctx->Driver.WaitQuery(ctx, q); + /* if result is too large for returned type, clamp to max value */ + if (q->Result > 0x7fffffff) { + *params = 0x7fffffff; + } + else { + *params = (GLint)q->Result; + } + break; + case GL_QUERY_RESULT_AVAILABLE_ARB: + if (!q->Ready) + ctx->Driver.CheckQuery( ctx, q ); + *params = q->Ready; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryObjectivARB(pname)"); + return; + } +} + + +void GLAPIENTRY +_mesa_GetQueryObjectuivARB(GLuint id, GLenum pname, GLuint *params) +{ + struct gl_query_object *q = NULL; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (id) + q = lookup_query_object(ctx, id); + + if (!q || q->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glGetQueryObjectuivARB(id=%d is invalid or active)", id); + return; + } + + switch (pname) { + case GL_QUERY_RESULT_ARB: + if (!q->Ready) + ctx->Driver.WaitQuery(ctx, q); + /* if result is too large for returned type, clamp to max value */ + if (q->Result > 0xffffffff) { + *params = 0xffffffff; + } + else { + *params = (GLuint)q->Result; + } + break; + case GL_QUERY_RESULT_AVAILABLE_ARB: + if (!q->Ready) + ctx->Driver.CheckQuery( ctx, q ); + *params = q->Ready; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryObjectuivARB(pname)"); + return; + } +} + + +#if FEATURE_EXT_timer_query + +/** + * New with GL_EXT_timer_query + */ +void GLAPIENTRY +_mesa_GetQueryObjecti64vEXT(GLuint id, GLenum pname, GLint64EXT *params) +{ + struct gl_query_object *q = NULL; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (id) + q = lookup_query_object(ctx, id); + + if (!q || q->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glGetQueryObjectui64vARB(id=%d is invalid or active)", id); + return; + } + + switch (pname) { + case GL_QUERY_RESULT_ARB: + if (!q->Ready) + ctx->Driver.WaitQuery(ctx, q); + *params = q->Result; + break; + case GL_QUERY_RESULT_AVAILABLE_ARB: + if (!q->Ready) + ctx->Driver.CheckQuery( ctx, q ); + *params = q->Ready; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryObjecti64vARB(pname)"); + return; + } +} + + +/** + * New with GL_EXT_timer_query + */ +void GLAPIENTRY +_mesa_GetQueryObjectui64vEXT(GLuint id, GLenum pname, GLuint64EXT *params) +{ + struct gl_query_object *q = NULL; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (id) + q = lookup_query_object(ctx, id); + + if (!q || q->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glGetQueryObjectuui64vARB(id=%d is invalid or active)", id); + return; + } + + switch (pname) { + case GL_QUERY_RESULT_ARB: + if (!q->Ready) + ctx->Driver.WaitQuery(ctx, q); + *params = q->Result; + break; + case GL_QUERY_RESULT_AVAILABLE_ARB: + if (!q->Ready) + ctx->Driver.CheckQuery( ctx, q ); + *params = q->Ready; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryObjectui64vARB(pname)"); + return; + } +} + +#endif /* FEATURE_EXT_timer_query */ + + +/** + * Allocate/init the context state related to query objects. + */ +void +_mesa_init_query(GLcontext *ctx) +{ +#if FEATURE_ARB_occlusion_query + ctx->Query.QueryObjects = _mesa_NewHashTable(); + ctx->Query.CurrentOcclusionObject = NULL; +#endif +} + + +/** + * Callback for deleting a query object. Called by _mesa_HashDeleteAll(). + */ +static void +delete_queryobj_cb(GLuint id, void *data, void *userData) +{ + struct gl_query_object *q= (struct gl_query_object *) data; + GLcontext *ctx = (GLcontext *)userData; + ctx->Driver.DeleteQuery(ctx, q); +} + + +/** + * Free the context state related to query objects. + */ +void +_mesa_free_query_data(GLcontext *ctx) +{ + _mesa_HashDeleteAll(ctx->Query.QueryObjects, delete_queryobj_cb, ctx); + _mesa_DeleteHashTable(ctx->Query.QueryObjects); +} |