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authorBrian <brian.paul@tungstengraphics.com>2007-09-11 16:01:17 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-09-11 16:01:17 -0600
commit09fbb3837b6aa5dfc6c94f41ab5443820177c569 (patch)
tree760ff57ac6a5fc503c41e9eb783fb82cb5a428e6 /src/mesa/main
parent5620d66e362acff99dbc748feec1da1e0f997288 (diff)
Implement query object interface.
This replaces the temporary occlusion counter functions we had before. Added new ctx->Driver.WaitQuery() function which should block until the result is ready. Sketch out some code for vertex transformation feedback counters.
Diffstat (limited to 'src/mesa/main')
-rw-r--r--src/mesa/main/dd.h6
-rw-r--r--src/mesa/main/mtypes.h9
-rw-r--r--src/mesa/main/queryobj.c95
-rw-r--r--src/mesa/main/queryobj.h14
4 files changed, 70 insertions, 54 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 582e0c334d..f089fcb48f 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -811,9 +811,9 @@ struct dd_function_table {
*/
/*@{*/
struct gl_query_object * (*NewQueryObject)(GLcontext *ctx, GLuint id);
- void (*BeginQuery)(GLcontext *ctx, GLenum target,
- struct gl_query_object *q);
- void (*EndQuery)(GLcontext *ctx, GLenum target, struct gl_query_object *q);
+ void (*BeginQuery)(GLcontext *ctx, struct gl_query_object *q);
+ void (*EndQuery)(GLcontext *ctx, struct gl_query_object *q);
+ void (*WaitQuery)(GLcontext *ctx, struct gl_query_object *q);
/*@}*/
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 0a64e0c58c..514170dbcf 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2085,10 +2085,11 @@ struct gl_ati_fragment_shader_state
*/
struct gl_query_object
{
- GLuint Id;
- GLuint64EXT Result; /* the counter */
- GLboolean Active; /* inside Begin/EndQuery */
- GLboolean Ready; /* result is ready */
+ GLenum Target; /**< The query target, when active */
+ GLuint Id; /**< hash table ID/name */
+ GLuint64EXT Result; /**< the counter */
+ GLboolean Active; /**< inside Begin/EndQuery */
+ GLboolean Ready; /**< result is ready? */
};
diff --git a/src/mesa/main/queryobj.c b/src/mesa/main/queryobj.c
index 0e59ba615a..688d0fc7bc 100644
--- a/src/mesa/main/queryobj.c
+++ b/src/mesa/main/queryobj.c
@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5.1
+ * Version: 7.1
*
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * 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"),
@@ -54,6 +54,42 @@ _mesa_new_query_object(GLcontext *ctx, GLuint id)
/**
+ * Begin a query. Software driver fallback.
+ * Called via ctx->Driver.BeginQuery().
+ */
+void
+_mesa_begin_query(GLcontext *ctx, struct gl_query_object *q)
+{
+ /* no-op */
+}
+
+
+/**
+ * End a query. Software driver fallback.
+ * Called via ctx->Driver.EndQuery().
+ */
+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().
+ */
+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.
+ */
+ assert(q->Ready);
+}
+
+
+/**
* Delete an occlusion query object.
* Not removed from hash table here.
* XXX maybe add Delete() method to gl_query_object class and call that instead
@@ -61,7 +97,7 @@ _mesa_new_query_object(GLcontext *ctx, GLuint id)
static void
delete_query_object(struct gl_query_object *q)
{
- FREE(q);
+ _mesa_free(q);
}
@@ -216,6 +252,7 @@ _mesa_BeginQueryARB(GLenum target, GLuint id)
}
}
+ q->Target = target;
q->Active = GL_TRUE;
q->Result = 0;
q->Ready = GL_FALSE;
@@ -229,9 +266,7 @@ _mesa_BeginQueryARB(GLenum target, GLuint id)
}
#endif
- if (ctx->Driver.BeginQuery) {
- ctx->Driver.BeginQuery(ctx, target, q);
- }
+ ctx->Driver.BeginQuery(ctx, q);
}
@@ -275,13 +310,7 @@ _mesa_EndQueryARB(GLenum target)
}
q->Active = GL_FALSE;
- if (ctx->Driver.EndQuery) {
- ctx->Driver.EndQuery(ctx, target, q);
- }
- else {
- /* if we're using software rendering/querying */
- q->Ready = GL_TRUE;
- }
+ ctx->Driver.EndQuery(ctx, q);
}
@@ -346,13 +375,8 @@ _mesa_GetQueryObjectivARB(GLuint id, GLenum pname, GLint *params)
switch (pname) {
case GL_QUERY_RESULT_ARB:
- while (!q->Ready) {
- /* Wait for the query to finish! */
- /* If using software rendering, the result will always be ready
- * by time we get here. Otherwise, we must be using hardware!
- */
- ASSERT(ctx->Driver.EndQuery);
- }
+ 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;
@@ -362,7 +386,6 @@ _mesa_GetQueryObjectivARB(GLuint id, GLenum pname, GLint *params)
}
break;
case GL_QUERY_RESULT_AVAILABLE_ARB:
- /* XXX revisit when we have a hardware implementation! */
*params = q->Ready;
break;
default:
@@ -390,13 +413,8 @@ _mesa_GetQueryObjectuivARB(GLuint id, GLenum pname, GLuint *params)
switch (pname) {
case GL_QUERY_RESULT_ARB:
- while (!q->Ready) {
- /* Wait for the query to finish! */
- /* If using software rendering, the result will always be ready
- * by time we get here. Otherwise, we must be using hardware!
- */
- ASSERT(ctx->Driver.EndQuery);
- }
+ 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;
@@ -406,7 +424,6 @@ _mesa_GetQueryObjectuivARB(GLuint id, GLenum pname, GLuint *params)
}
break;
case GL_QUERY_RESULT_AVAILABLE_ARB:
- /* XXX revisit when we have a hardware implementation! */
*params = q->Ready;
break;
default:
@@ -439,17 +456,11 @@ _mesa_GetQueryObjecti64vEXT(GLuint id, GLenum pname, GLint64EXT *params)
switch (pname) {
case GL_QUERY_RESULT_ARB:
- while (!q->Ready) {
- /* Wait for the query to finish! */
- /* If using software rendering, the result will always be ready
- * by time we get here. Otherwise, we must be using hardware!
- */
- ASSERT(ctx->Driver.EndQuery);
- }
+ if (!q->Ready)
+ ctx->Driver.WaitQuery(ctx, q);
*params = q->Result;
break;
case GL_QUERY_RESULT_AVAILABLE_ARB:
- /* XXX revisit when we have a hardware implementation! */
*params = q->Ready;
break;
default:
@@ -480,17 +491,11 @@ _mesa_GetQueryObjectui64vEXT(GLuint id, GLenum pname, GLuint64EXT *params)
switch (pname) {
case GL_QUERY_RESULT_ARB:
- while (!q->Ready) {
- /* Wait for the query to finish! */
- /* If using software rendering, the result will always be ready
- * by time we get here. Otherwise, we must be using hardware!
- */
- ASSERT(ctx->Driver.EndQuery);
- }
+ if (!q->Ready)
+ ctx->Driver.WaitQuery(ctx, q);
*params = q->Result;
break;
case GL_QUERY_RESULT_AVAILABLE_ARB:
- /* XXX revisit when we have a hardware implementation! */
*params = q->Ready;
break;
default:
diff --git a/src/mesa/main/queryobj.h b/src/mesa/main/queryobj.h
index ada8cf8356..d466aae652 100644
--- a/src/mesa/main/queryobj.h
+++ b/src/mesa/main/queryobj.h
@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 7.1
*
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * 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"),
@@ -36,6 +36,16 @@ _mesa_init_query(GLcontext *ctx);
extern void
_mesa_free_query_data(GLcontext *ctx);
+extern void
+_mesa_begin_query(GLcontext *ctx, struct gl_query_object *q);
+
+extern void
+_mesa_end_query(GLcontext *ctx, struct gl_query_object *q);
+
+extern void
+_mesa_wait_query(GLcontext *ctx, struct gl_query_object *q);
+
+
extern void GLAPIENTRY
_mesa_GenQueriesARB(GLsizei n, GLuint *ids);