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Rearrange the code related to GL_ARB_occlusion_object to generalize query

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objects for future types of queries.
This commit is contained in:
Brian Paul
2005-08-27 13:56:08 +00:00
parent ca1ac986a1
commit 23ffc3a85d
10 changed files with 153 additions and 110 deletions
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4
src/mesa/drivers/common/driverfuncs.c
View File

@@ -209,6 +209,10 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
driver->FramebufferRenderbuffer = _mesa_framebuffer_renderbuffer;
#endif
/* query objects */
driver->BeginQuery = NULL;
driver->EndQuery = NULL;
/* T&L stuff */
driver->NeedValidate = GL_FALSE;
driver->ValidateTnlModule = NULL;

4
src/mesa/drivers/windows/gldirect/dx7/gld_vb_mesa_render_dx7.c
View File

@@ -1,4 +1,4 @@
/* $Id: gld_vb_mesa_render_dx7.c,v 1.5 2005/04/22 22:47:09 keithw Exp $ */
/* $Id: gld_vb_mesa_render_dx7.c,v 1.6 2005/08/27 13:56:08 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -153,7 +153,6 @@ do { \
#define TAG(x) clip_##x##_verts
#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
#define RESET_OCCLUSION ctx->OcclusionResult = GL_TRUE
#define PRESERVE_VB_DEFS
#include "tnl/t_vb_rendertmp.h"
@@ -239,7 +238,6 @@ static void clip_elt_triangles( GLcontext *ctx,
(void) elt;
#define RESET_STIPPLE tnl->Driver.Render.ResetLineStipple( ctx )
#define RESET_OCCLUSION ctx->OcclusionResult = GL_TRUE
#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
#define RENDER_TAB_QUALIFIER
#define PRESERVE_VB_DEFS

4
src/mesa/drivers/windows/gldirect/dx8/gld_vb_mesa_render_dx8.c
View File

@@ -1,4 +1,4 @@
/* $Id: gld_vb_mesa_render_dx8.c,v 1.5 2005/04/22 22:47:10 keithw Exp $ */
/* $Id: gld_vb_mesa_render_dx8.c,v 1.6 2005/08/27 13:56:08 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -153,7 +153,6 @@ do { \
#define TAG(x) clip_##x##_verts
#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
#define RESET_OCCLUSION ctx->OcclusionResult = GL_TRUE
#define PRESERVE_VB_DEFS
#include "tnl/t_vb_rendertmp.h"
@@ -239,7 +238,6 @@ static void clip_elt_triangles( GLcontext *ctx,
(void) elt;
#define RESET_STIPPLE tnl->Driver.Render.ResetLineStipple( ctx )
#define RESET_OCCLUSION ctx->OcclusionResult = GL_TRUE
#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
#define RENDER_TAB_QUALIFIER
#define PRESERVE_VB_DEFS

4
src/mesa/drivers/windows/gldirect/dx9/gld_vb_mesa_render_dx9.c
View File

@@ -1,4 +1,4 @@
/* $Id: gld_vb_mesa_render_dx9.c,v 1.5 2005/04/22 22:47:10 keithw Exp $ */
/* $Id: gld_vb_mesa_render_dx9.c,v 1.6 2005/08/27 13:56:08 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -148,7 +148,6 @@ do { \
#define TAG(x) clip_##x##_verts
#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
#define RESET_OCCLUSION ctx->OcclusionResult = GL_TRUE
#define PRESERVE_VB_DEFS
#include "tnl/t_vb_rendertmp.h"
@@ -234,7 +233,6 @@ static void clip_elt_triangles( GLcontext *ctx,
(void) elt;
#define RESET_STIPPLE tnl->Driver.Render.ResetLineStipple( ctx )
#define RESET_OCCLUSION ctx->OcclusionResult = GL_TRUE
#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
#define RENDER_TAB_QUALIFIER
#define PRESERVE_VB_DEFS

8
src/mesa/main/dd.h
View File

@@ -816,6 +816,14 @@ struct dd_function_table {
/*@}*/
#endif
/**
* \name Query objects
*/
/*@{*/
void (*BeginQuery)(GLcontext *ctx, struct gl_query_object *q);
void (*EndQuery)(GLcontext *ctx, struct gl_query_object *q);
/*@}*/
/**
* \name Support for multiple T&L engines

32
src/mesa/main/mtypes.h
View File

@@ -1853,7 +1853,7 @@ struct gl_vertex_program_state
};
/*
/**
* State for GL_ARB/NV_fragment_program
*/
struct gl_fragment_program_state
@@ -1874,8 +1874,9 @@ struct gl_fragment_program_state
#endif
};
/*
* State for GL_fragment_shader
/**
* State for GL_ATI_fragment_shader
*/
struct gl_ati_fragment_shader_state
{
@@ -1886,17 +1887,24 @@ struct gl_ati_fragment_shader_state
struct ati_fragment_shader *Current;
};
/*
* State for GL_ARB_occlusion_query
*/
struct gl_occlusion_state
struct gl_query_object
{
GLboolean Active;
GLuint CurrentQueryObject;
GLuint PassedCounter;
struct _mesa_HashTable *QueryObjects;
GLenum Target;
GLuint Id;
GLuint Result; /* the counter */
GLboolean Active; /* inside Begin/EndQuery */
GLboolean Ready; /* result is ready */
};
struct gl_query_state
{
struct _mesa_HashTable *QueryObjects;
struct gl_query_object *CurrentOcclusionObject; /* GL_ARB_occlusion_query */
};
/**
* gl2 unique interface identifier.
* Each gl2 interface has its own interface id used for object queries.
@@ -2802,7 +2810,7 @@ struct __GLcontextRec
GLboolean _MaintainTexEnvProgram;
GLboolean _MaintainTnlProgram;
struct gl_occlusion_state Occlusion; /**< GL_ARB_occlusion_query */
struct gl_query_state Query; /**< GL_ARB_occlusion_query */
struct gl_shader_objects_state ShaderObjects; /* GL_ARB_shader_objects */
/*@}*/

164
src/mesa/main/occlude.c
View File

@@ -36,29 +36,20 @@
#include "mtypes.h"
struct occlusion_query
{
GLenum Target;
GLuint Id;
GLuint PassedCounter;
GLboolean Active;
};
/**
* Allocate a new occlusion query object.
* \param target - must be GL_SAMPLES_PASSED_ARB at this time
* \param id - the object's ID
* \return pointer to new occlusion_query object or NULL if out of memory.
* \return pointer to new query_object object or NULL if out of memory.
*/
static struct occlusion_query *
static struct gl_query_object *
new_query_object(GLenum target, GLuint id)
{
struct occlusion_query *q = MALLOC_STRUCT(occlusion_query);
struct gl_query_object *q = MALLOC_STRUCT(gl_query_object);
if (q) {
q->Target = target;
q->Id = id;
q->PassedCounter = 0;
q->Result = 0;
q->Active = GL_FALSE;
}
return q;
@@ -67,14 +58,24 @@ new_query_object(GLenum target, GLuint id)
/**
* Delete an occlusion query object.
* Not removed from hash table here.
*/
static void
delete_query_object(struct occlusion_query *q)
delete_query_object(struct gl_query_object *q)
{
FREE(q);
}
struct gl_query_object *
lookup_query_object(GLcontext *ctx, GLuint id)
{
return (struct gl_query_object *)
_mesa_HashLookup(ctx->Query.QueryObjects, id);
}
void GLAPIENTRY
_mesa_GenQueriesARB(GLsizei n, GLuint *ids)
{
@@ -87,23 +88,24 @@ _mesa_GenQueriesARB(GLsizei n, GLuint *ids)
return;
}
if (ctx->Occlusion.Active) {
/* No query objects can be active at this time! */
if (ctx->Query.CurrentOcclusionObject) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGenQueriesARB");
return;
}
first = _mesa_HashFindFreeKeyBlock(ctx->Occlusion.QueryObjects, n);
first = _mesa_HashFindFreeKeyBlock(ctx->Query.QueryObjects, n);
if (first) {
GLsizei i;
for (i = 0; i < n; i++) {
struct occlusion_query *q = new_query_object(GL_SAMPLES_PASSED_ARB,
struct gl_query_object *q = new_query_object(GL_SAMPLES_PASSED_ARB,
first + i);
if (!q) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenQueriesARB");
return;
}
ids[i] = first + i;
_mesa_HashInsert(ctx->Occlusion.QueryObjects, first + i, q);
_mesa_HashInsert(ctx->Query.QueryObjects, first + i, q);
}
}
}
@@ -121,17 +123,18 @@ _mesa_DeleteQueriesARB(GLsizei n, const GLuint *ids)
return;
}
if (ctx->Occlusion.Active) {
/* No query objects can be active at this time! */
if (ctx->Query.CurrentOcclusionObject) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glDeleteQueriesARB");
return;
}
for (i = 0; i < n; i++) {
if (ids[i] > 0) {
struct occlusion_query *q = (struct occlusion_query *)
_mesa_HashLookup(ctx->Occlusion.QueryObjects, ids[i]);
struct gl_query_object *q = lookup_query_object(ctx, ids[i]);
if (q) {
_mesa_HashRemove(ctx->Occlusion.QueryObjects, ids[i]);
ASSERT(!q->Active); /* should be caught earlier */
_mesa_HashRemove(ctx->Query.QueryObjects, ids[i]);
delete_query_object(q);
}
}
@@ -145,7 +148,7 @@ _mesa_IsQueryARB(GLuint id)
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
if (id && _mesa_HashLookup(ctx->Occlusion.QueryObjects, id))
if (id && lookup_query_object(ctx, id))
return GL_TRUE;
else
return GL_FALSE;
@@ -156,7 +159,7 @@ void GLAPIENTRY
_mesa_BeginQueryARB(GLenum target, GLuint id)
{
GET_CURRENT_CONTEXT(ctx);
struct occlusion_query *q;
struct gl_query_object *q;
ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_DEPTH);
@@ -171,31 +174,43 @@ _mesa_BeginQueryARB(GLenum target, GLuint id)
return;
}
if (ctx->Occlusion.CurrentQueryObject) {
if (ctx->Query.CurrentOcclusionObject) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB(target)");
return;
}
q = (struct occlusion_query *)
_mesa_HashLookup(ctx->Occlusion.QueryObjects, id);
if (q && q->Active) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB");
return;
}
else if (!q) {
q = lookup_query_object(ctx, id);
if (!q) {
/* create new object */
q = new_query_object(target, id);
if (!q) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBeginQueryARB");
return;
}
_mesa_HashInsert(ctx->Occlusion.QueryObjects, id, q);
_mesa_HashInsert(ctx->Query.QueryObjects, id, q);
}
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)");
return;
}
}
q->Active = GL_TRUE;
q->PassedCounter = 0;
ctx->Occlusion.Active = GL_TRUE;
ctx->Occlusion.CurrentQueryObject = id;
ctx->Occlusion.PassedCounter = 0;
q->Result = 0;
q->Ready = GL_FALSE;
ctx->Query.CurrentOcclusionObject = q;
if (ctx->Driver.BeginQuery) {
ctx->Driver.BeginQuery(ctx, q);
}
}
@@ -203,29 +218,34 @@ void GLAPIENTRY
_mesa_EndQueryARB(GLenum target)
{
GET_CURRENT_CONTEXT(ctx);
struct occlusion_query *q = NULL;
struct gl_query_object *q;
ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_DEPTH);
if (target != GL_SAMPLES_PASSED_ARB) {
switch (target) {
case GL_SAMPLES_PASSED_ARB:
q = ctx->Query.CurrentOcclusionObject;
ctx->Query.CurrentOcclusionObject = NULL;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)");
return;
}
if (ctx->Occlusion.CurrentQueryObject)
q = (struct occlusion_query *)
_mesa_HashLookup(ctx->Occlusion.QueryObjects,
ctx->Occlusion.CurrentQueryObject);
if (!q || !q->Active) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glEndQuery with no glBeginQuery");
_mesa_error(ctx, GL_INVALID_OPERATION,
"glEndQueryARB(no matching glBeginQueryARB)");
return;
}
q->PassedCounter = ctx->Occlusion.PassedCounter;
q->Active = GL_FALSE;
ctx->Occlusion.Active = GL_FALSE;
ctx->Occlusion.CurrentQueryObject = 0;
if (ctx->Driver.EndQuery) {
ctx->Driver.EndQuery(ctx, q);
}
else {
q->Ready = GL_TRUE;
}
}
@@ -233,19 +253,24 @@ void GLAPIENTRY
_mesa_GetQueryivARB(GLenum target, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_query_object *q;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (target != GL_SAMPLES_PASSED_ARB) {
switch (target) {
case GL_SAMPLES_PASSED_ARB:
q = ctx->Query.CurrentOcclusionObject;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivARB(target)");
return;
}
switch (pname) {
case GL_QUERY_COUNTER_BITS_ARB:
*params = 8 * sizeof(GLuint);
*params = 8 * sizeof(q->Result);
break;
case GL_CURRENT_QUERY_ARB:
*params = ctx->Occlusion.CurrentQueryObject;
*params = q ? q->Id : 0;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivARB(pname)");
@@ -258,25 +283,25 @@ void GLAPIENTRY
_mesa_GetQueryObjectivARB(GLuint id, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
struct occlusion_query *q = NULL;
struct gl_query_object *q = NULL;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (id)
q = (struct occlusion_query *)
_mesa_HashLookup(ctx->Occlusion.QueryObjects, id);
q = lookup_query_object(ctx, id);
if (!q || q->Active) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetQueryObjectivARB(id=%d)", id);
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetQueryObjectivARB(id=%d is active)", id);
return;
}
switch (pname) {
case GL_QUERY_RESULT_ARB:
*params = q->PassedCounter;
*params = q->Result;
break;
case GL_QUERY_RESULT_AVAILABLE_ARB:
/* XXX revisit when we have a hardware implementation! */
*params = GL_TRUE;
*params = q->Ready;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryObjectivARB(pname)");
@@ -289,24 +314,25 @@ void GLAPIENTRY
_mesa_GetQueryObjectuivARB(GLuint id, GLenum pname, GLuint *params)
{
GET_CURRENT_CONTEXT(ctx);
struct occlusion_query *q = NULL;
struct gl_query_object *q = NULL;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (id)
q = (struct occlusion_query *)
_mesa_HashLookup(ctx->Occlusion.QueryObjects, id);
q = lookup_query_object(ctx, id);
if (!q || q->Active) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetQueryObjectuivARB(id=%d", id);
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetQueryObjectuivARB(id=%d is active)", id);
return;
}
switch (pname) {
case GL_QUERY_RESULT_ARB:
*params = q->PassedCounter;
*params = q->Result;
break;
case GL_QUERY_RESULT_AVAILABLE_ARB:
/* XXX revisit when we have a hardware implementation! */
*params = GL_TRUE;
*params = q->Ready;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryObjectuivARB(pname)");
@@ -323,7 +349,8 @@ void
_mesa_init_occlude(GLcontext *ctx)
{
#if FEATURE_ARB_occlusion_query
ctx->Occlusion.QueryObjects = _mesa_NewHashTable();
ctx->Query.QueryObjects = _mesa_NewHashTable();
ctx->Query.CurrentOcclusionObject = NULL;
#endif
}
@@ -335,17 +362,16 @@ void
_mesa_free_occlude_data(GLcontext *ctx)
{
while (1) {
GLuint query = _mesa_HashFirstEntry(ctx->Occlusion.QueryObjects);
if (query) {
struct occlusion_query *q = (struct occlusion_query *)
_mesa_HashLookup(ctx->Occlusion.QueryObjects, query);
GLuint id = _mesa_HashFirstEntry(ctx->Query.QueryObjects);
if (id) {
struct gl_query_object *q = lookup_query_object(ctx, id);
ASSERT(q);
delete_query_object(q);
_mesa_HashRemove(ctx->Occlusion.QueryObjects, query);
_mesa_HashRemove(ctx->Query.QueryObjects, id);
}
else {
break;
}
}
_mesa_DeleteHashTable(ctx->Occlusion.QueryObjects);
_mesa_DeleteHashTable(ctx->Query.QueryObjects);
}

2
src/mesa/swrast/s_context.c
View File

@@ -80,7 +80,7 @@ _swrast_update_rasterflags( GLcontext *ctx )
rasterMask |= CLIP_BIT;
}
if (ctx->Occlusion.Active)
if (ctx->Query.CurrentOcclusionObject)
rasterMask |= OCCLUSION_BIT;

10
src/mesa/swrast/s_span.c
View File

@@ -850,11 +850,12 @@ _swrast_write_index_span( GLcontext *ctx, struct sw_span *span)
}
#if FEATURE_ARB_occlusion_query
if (ctx->Occlusion.Active) {
if (ctx->Query.CurrentOcclusionObject) {
/* update count of 'passed' fragments */
struct gl_query_object *q = ctx->Query.CurrentOcclusionObject;
GLuint i;
for (i = 0; i < span->end; i++)
ctx->Occlusion.PassedCounter += span->array->mask[i];
q->Result += span->array->mask[i];
}
#endif
@@ -1215,11 +1216,12 @@ _swrast_write_rgba_span( GLcontext *ctx, struct sw_span *span)
}
#if FEATURE_ARB_occlusion_query
if (ctx->Occlusion.Active) {
if (ctx->Query.CurrentOcclusionObject) {
/* update count of 'passed' fragments */
struct gl_query_object *q = ctx->Query.CurrentOcclusionObject;
GLuint i;
for (i = 0; i < span->end; i++)
ctx->Occlusion.PassedCounter += span->array->mask[i];
q->Result += span->array->mask[i];
}
#endif

9
src/mesa/swrast/s_triangle.c
View File

@@ -907,10 +907,11 @@ fast_persp_span(GLcontext *ctx, struct sw_span *span,
#define SETUP_CODE \
struct gl_renderbuffer *rb \
= ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer; \
struct gl_query_object *q = ctx->Query.CurrentOcclusionObject; \
ASSERT(ctx->Depth.Test); \
ASSERT(!ctx->Depth.Mask); \
ASSERT(ctx->Depth.Func == GL_LESS); \
if (!ctx->Occlusion.Active) { \
if (!q) { \
return; \
}
#define RENDER_SPAN( span ) \
@@ -921,7 +922,7 @@ fast_persp_span(GLcontext *ctx, struct sw_span *span,
for (i = 0; i < span.end; i++) { \
GLdepth z = FixedToDepth(span.z); \
if (z < zRow[i]) { \
ctx->Occlusion.PassedCounter++; \
q->Result++; \
} \
span.z += span.zStep; \
} \
@@ -932,7 +933,7 @@ fast_persp_span(GLcontext *ctx, struct sw_span *span,
rb->GetPointer(ctx, rb, span.x, span.y); \
for (i = 0; i < span.end; i++) { \
if ((GLuint)span.z < zRow[i]) { \
ctx->Occlusion.PassedCounter++; \
q->Result++; \
} \
span.z += span.zStep; \
} \
@@ -1055,7 +1056,7 @@ _swrast_choose_triangle( GLcontext *ctx )
}
/* special case for occlusion testing */
if (ctx->Occlusion.Active &&
if (ctx->Query.CurrentOcclusionObject &&
ctx->Depth.Test &&
ctx->Depth.Mask == GL_FALSE &&
ctx->Depth.Func == GL_LESS &&