Prototype implementation of new GL_EXT_timer_query extension (not finalized yet).

Extends the query mechanism to query elapsed time while rendering.
This commit is contained in:
Brian Paul
2005-09-02 13:42:49 +00:00
parent 8cdf372946
commit 4fb995084e
11 changed files with 193 additions and 58 deletions

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@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
* Version: 6.3
* Version: 6.5
*
* Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
*
@@ -28,6 +28,7 @@
#include "buffers.h"
#include "context.h"
#include "framebuffer.h"
#include "occlude.h"
#include "program.h"
#include "renderbuffer.h"
#include "texcompress.h"
@@ -210,6 +211,7 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
#endif
/* query objects */
driver->NewQueryObject = _mesa_new_query_object;
driver->BeginQuery = NULL;
driver->EndQuery = NULL;

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@@ -51,6 +51,7 @@
# include <X11/extensions/XShm.h>
# endif
# include <GL/glx.h>
# include <sys/time.h>
#endif

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@@ -1689,13 +1689,16 @@ XMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list )
_mesa_enable_1_4_extensions(mesaCtx);
_mesa_enable_1_5_extensions(mesaCtx);
_mesa_enable_2_0_extensions(mesaCtx);
#if SWTC
#if ENABLE_EXT_texure_compression_s3tc
if (c->Mesa_DXTn) {
_mesa_enable_extension(c, "GL_EXT_texture_compression_s3tc");
_mesa_enable_extension(c, "GL_S3_s3tc");
}
_mesa_enable_extension(c, "GL_3DFX_texture_compression_FXT1");
#endif
#if ENABLE_EXT_timer_query
_mesa_enable_extension(c, "GL_EXT_timer_query");
#endif
/* finish up xmesa context initializations */
c->swapbytes = CHECK_BYTE_ORDER(v) ? GL_FALSE : GL_TRUE;

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@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
* Version: 6.3
* Version: 6.5
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2005 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"),
@@ -1130,6 +1130,78 @@ xmesa_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
}
#if ENABLE_EXT_timer_query
/*
* The GL_EXT_timer_query extension is not enabled for the XServer
* indirect renderer. Not sure about how/if wrapping of gettimeofday()
* is done, etc.
*/
struct xmesa_query_object
{
struct gl_query_object Base;
struct timeval StartTime;
};
static struct gl_query_object *
xmesa_new_query_object(GLcontext *ctx, GLuint id)
{
struct xmesa_query_object *q = CALLOC_STRUCT(xmesa_query_object);
if (q) {
q->Base.Id = id;
q->Base.Ready = GL_TRUE;
}
return &q->Base;
}
static void
xmesa_begin_query(GLcontext *ctx, GLenum target, struct gl_query_object *q)
{
if (target == GL_TIME_ELAPSED_EXT) {
struct xmesa_query_object *xq = (struct xmesa_query_object *) q;
(void) gettimeofday(&xq->StartTime, NULL);
}
}
/**
* Return the difference between the two given times in microseconds.
*/
static unsigned int
time_diff(const struct timeval *t0, const struct timeval *t1)
{
time_t seconds0 = t0->tv_sec & 0xff; /* 0 .. 255 seconds */
time_t seconds1 = t1->tv_sec & 0xff; /* 0 .. 255 seconds */
suseconds_t useconds0 = seconds0 * 1000000 + t0->tv_usec;
suseconds_t useconds1 = seconds1 * 1000000 + t1->tv_usec;
return useconds1 - useconds0;
}
static void
xmesa_end_query(GLcontext *ctx, GLenum target, struct gl_query_object *q)
{
if (target == GL_TIME_ELAPSED_EXT) {
struct xmesa_query_object *xq = (struct xmesa_query_object *) q;
struct timeval endTime;
unsigned int dt;
(void) gettimeofday(&endTime, NULL);
dt = time_diff(&xq->StartTime, &endTime);
/* clamp if we'd overflow a 32-bit unsigned int */
if (dt >= 0xffffffffU / 1000U)
q->Result = 0xffffffffU;
else
q->Result = dt * 1000; /* result is in nanoseconds! */
}
q->Ready = GL_TRUE;
}
#endif /* ENABLE_timer_query */
/**
* Initialize the device driver function table with the functions
* we implement in this driver.
@@ -1162,11 +1234,17 @@ xmesa_init_driver_functions( XMesaVisual xmvisual,
}
#endif
driver->TestProxyTexImage = test_proxy_teximage;
#if SWTC
#if ENABLE_EXT_texure_compression_s3tc
driver->ChooseTextureFormat = choose_tex_format;
#else
(void) choose_tex_format;
#endif
#if ENABLE_EXT_timer_query
driver->NewQueryObject = xmesa_new_query_object;
driver->BeginQuery = xmesa_begin_query;
driver->EndQuery = xmesa_end_query;
#endif
}

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@@ -539,7 +539,12 @@ extern GLboolean XMesaLoseCurrent(XMesaContext c);
extern void XMesaReset( void );
#define SWTC 0 /* SW texture compression */
#define ENABLE_EXT_texure_compression_s3tc 0 /* SW texture compression */
#ifdef XFree86Server
#define ENABLE_EXT_timer_query 0
#else
#define ENABLE_EXT_timer_query 1
#endif
#endif

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@@ -1047,11 +1047,11 @@ init_attrib_groups( GLcontext *ctx )
_mesa_init_lighting( ctx );
_mesa_init_matrix( ctx );
_mesa_init_multisample( ctx );
_mesa_init_occlude( ctx );
_mesa_init_pixel( ctx );
_mesa_init_point( ctx );
_mesa_init_polygon( ctx );
_mesa_init_program( ctx );
_mesa_init_query( ctx );
_mesa_init_rastpos( ctx );
_mesa_init_scissor( ctx );
_mesa_init_shaderobjects (ctx);
@@ -1290,7 +1290,7 @@ _mesa_free_context_data( GLcontext *ctx )
_mesa_free_viewport_data( ctx );
_mesa_free_colortables_data( ctx );
_mesa_free_program_data(ctx);
_mesa_free_occlude_data(ctx);
_mesa_free_query_data(ctx);
#if FEATURE_ARB_vertex_buffer_object
_mesa_delete_buffer_object(ctx, ctx->Array.NullBufferObj);

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@@ -820,8 +820,10 @@ struct dd_function_table {
* \name Query objects
*/
/*@{*/
void (*BeginQuery)(GLcontext *ctx, struct gl_query_object *q);
void (*EndQuery)(GLcontext *ctx, struct gl_query_object *q);
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);
/*@}*/

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@@ -120,6 +120,7 @@ static const struct {
{ OFF, "GL_EXT_texture_mirror_clamp", F(EXT_texture_mirror_clamp) },
{ ON, "GL_EXT_texture_object", F(EXT_texture_object) },
{ OFF, "GL_EXT_texture_rectangle", F(NV_texture_rectangle) },
{ OFF, "GL_EXT_timer_query", F(EXT_timer_query) },
{ ON, "GL_EXT_vertex_array", F(EXT_vertex_array) },
{ OFF, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set) },
{ OFF, "GL_3DFX_texture_compression_FXT1", F(TDFX_texture_compression_FXT1) },

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@@ -1900,7 +1900,6 @@ struct gl_ati_fragment_shader_state
struct gl_query_object
{
GLenum Target;
GLuint Id;
GLuint Result; /* the counter */
GLboolean Active; /* inside Begin/EndQuery */
@@ -1912,6 +1911,7 @@ struct gl_query_state
{
struct _mesa_HashTable *QueryObjects;
struct gl_query_object *CurrentOcclusionObject; /* GL_ARB_occlusion_query */
struct gl_query_object *CurrentTimerObject; /* GL_EXT_timer_query */
};
@@ -2367,6 +2367,7 @@ struct gl_extensions
GLboolean EXT_texture_filter_anisotropic;
GLboolean EXT_texture_lod_bias;
GLboolean EXT_texture_mirror_clamp;
GLboolean EXT_timer_query;
GLboolean EXT_vertex_array;
GLboolean EXT_vertex_array_set;
/* vendor extensions */

View File

@@ -23,11 +23,6 @@
*/
/*
* Functions to implement the GL_ARB_occlusion_query extension.
*/
#include "glheader.h"
#include "context.h"
#include "hash.h"
@@ -37,17 +32,18 @@
/**
* Allocate a new occlusion query object.
* \param target - must be GL_SAMPLES_PASSED_ARB at this time
* Allocate a new query object. This is a fallback routine called via
* ctx->Driver.NewQueryObject().
* \param target - GL_SAMPLES_PASSED_ARB or GL_TIME_ELAPSED_EXT or 0.
* \param ctx - rendering context
* \param id - the object's ID
* \return pointer to new query_object object or NULL if out of memory.
*/
static struct gl_query_object *
new_query_object(GLenum target, GLuint id)
struct gl_query_object *
_mesa_new_query_object(GLcontext *ctx, GLuint id)
{
struct gl_query_object *q = MALLOC_STRUCT(gl_query_object);
if (q) {
q->Target = target;
q->Id = id;
q->Result = 0;
q->Active = GL_FALSE;
@@ -80,8 +76,8 @@ lookup_query_object(GLcontext *ctx, GLuint id)
void GLAPIENTRY
_mesa_GenQueriesARB(GLsizei n, GLuint *ids)
{
GET_CURRENT_CONTEXT(ctx);
GLuint first;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (n < 0) {
@@ -90,7 +86,8 @@ _mesa_GenQueriesARB(GLsizei n, GLuint *ids)
}
/* No query objects can be active at this time! */
if (ctx->Query.CurrentOcclusionObject) {
if (ctx->Query.CurrentOcclusionObject ||
ctx->Query.CurrentTimerObject) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGenQueriesARB");
return;
}
@@ -99,8 +96,8 @@ _mesa_GenQueriesARB(GLsizei n, GLuint *ids)
if (first) {
GLsizei i;
for (i = 0; i < n; i++) {
struct gl_query_object *q = new_query_object(GL_SAMPLES_PASSED_ARB,
first + i);
struct gl_query_object *q
= ctx->Driver.NewQueryObject(ctx, first + i);
if (!q) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenQueriesARB");
return;
@@ -115,8 +112,8 @@ _mesa_GenQueriesARB(GLsizei n, GLuint *ids)
void GLAPIENTRY
_mesa_DeleteQueriesARB(GLsizei n, const GLuint *ids)
{
GET_CURRENT_CONTEXT(ctx);
GLint i;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (n < 0) {
@@ -125,7 +122,8 @@ _mesa_DeleteQueriesARB(GLsizei n, const GLuint *ids)
}
/* No query objects can be active at this time! */
if (ctx->Query.CurrentOcclusionObject) {
if (ctx->Query.CurrentOcclusionObject ||
ctx->Query.CurrentTimerObject) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glDeleteQueriesARB");
return;
}
@@ -159,15 +157,36 @@ _mesa_IsQueryARB(GLuint id)
void GLAPIENTRY
_mesa_BeginQueryARB(GLenum target, GLuint id)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_query_object *q;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_DEPTH);
if (target != GL_SAMPLES_PASSED_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)");
return;
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;
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;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)");
return;
}
if (id == 0) {
@@ -175,15 +194,10 @@ _mesa_BeginQueryARB(GLenum target, GLuint id)
return;
}
if (ctx->Query.CurrentOcclusionObject) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB(target)");
return;
}
q = lookup_query_object(ctx, id);
if (!q) {
/* create new object */
q = new_query_object(target, id);
q = ctx->Driver.NewQueryObject(ctx, id);
if (!q) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBeginQueryARB");
return;
@@ -192,11 +206,6 @@ _mesa_BeginQueryARB(GLenum target, GLuint id)
}
else {
/* pre-existing object */
if (q->Target != target) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBeginQueryARB(target mismatch)");
return;
}
if (q->Active) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBeginQueryARB(query already active)");
@@ -207,10 +216,16 @@ _mesa_BeginQueryARB(GLenum target, GLuint id)
q->Active = GL_TRUE;
q->Result = 0;
q->Ready = GL_FALSE;
ctx->Query.CurrentOcclusionObject = q;
if (target == GL_SAMPLES_PASSED_ARB) {
ctx->Query.CurrentOcclusionObject = q;
}
else if (target == GL_TIME_ELAPSED_EXT) {
ctx->Query.CurrentTimerObject = q;
}
if (ctx->Driver.BeginQuery) {
ctx->Driver.BeginQuery(ctx, q);
ctx->Driver.BeginQuery(ctx, target, q);
}
}
@@ -218,17 +233,29 @@ _mesa_BeginQueryARB(GLenum target, GLuint id)
void GLAPIENTRY
_mesa_EndQueryARB(GLenum target)
{
GET_CURRENT_CONTEXT(ctx);
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;
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;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)");
return;
@@ -242,9 +269,10 @@ _mesa_EndQueryARB(GLenum target)
q->Active = GL_FALSE;
if (ctx->Driver.EndQuery) {
ctx->Driver.EndQuery(ctx, q);
ctx->Driver.EndQuery(ctx, target, q);
}
else {
/* if we're using software rendering/querying */
q->Ready = GL_TRUE;
}
}
@@ -253,14 +281,25 @@ _mesa_EndQueryARB(GLenum target)
void GLAPIENTRY
_mesa_GetQueryivARB(GLenum target, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
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;
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;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivARB(target)");
return;
@@ -283,8 +322,8 @@ _mesa_GetQueryivARB(GLenum target, GLenum pname, GLint *params)
void GLAPIENTRY
_mesa_GetQueryObjectivARB(GLuint id, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_query_object *q = NULL;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (id)
@@ -321,8 +360,8 @@ _mesa_GetQueryObjectivARB(GLuint id, GLenum pname, GLint *params)
void GLAPIENTRY
_mesa_GetQueryObjectuivARB(GLuint id, GLenum pname, GLuint *params)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_query_object *q = NULL;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (id)
@@ -358,10 +397,10 @@ _mesa_GetQueryObjectuivARB(GLuint id, GLenum pname, GLuint *params)
/**
* Allocate/init the context state related to occlusion query objects.
* Allocate/init the context state related to query objects.
*/
void
_mesa_init_occlude(GLcontext *ctx)
_mesa_init_query(GLcontext *ctx)
{
#if FEATURE_ARB_occlusion_query
ctx->Query.QueryObjects = _mesa_NewHashTable();
@@ -371,10 +410,10 @@ _mesa_init_occlude(GLcontext *ctx)
/**
* Free the context state related to occlusion query objects.
* Free the context state related to query objects.
*/
void
_mesa_free_occlude_data(GLcontext *ctx)
_mesa_free_query_data(GLcontext *ctx)
{
while (1) {
GLuint id = _mesa_HashFirstEntry(ctx->Query.QueryObjects);

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@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
* Version: 6.0.2
* Version: 6.5
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2005 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"),
@@ -27,11 +27,14 @@
#define OCCLUDE_H
extern void
_mesa_init_occlude(GLcontext *ctx);
extern struct gl_query_object *
_mesa_new_query_object(GLcontext *ctx, GLuint id);
extern void
_mesa_free_occlude_data(GLcontext *ctx);
_mesa_init_query(GLcontext *ctx);
extern void
_mesa_free_query_data(GLcontext *ctx);
extern void GLAPIENTRY
_mesa_GenQueriesARB(GLsizei n, GLuint *ids);