The array cache.

This commit is contained in:
Keith Whitwell
2000-12-26 15:14:04 +00:00
parent 9ef50d5826
commit 770169f230
4 changed files with 1189 additions and 0 deletions
+257
View File
@@ -0,0 +1,257 @@
/* $Id: ac_context.c,v 1.1 2000/12/26 15:14:04 keithw Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999 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.
*
* Author:
* Keith Whitwell <keithw@valinux.com>
*/
#include "glheader.h"
#include "macros.h"
#include "mem.h"
#include "mmath.h"
#include "mtypes.h"
#include "array_cache/ac_context.h"
static void _ac_fallbacks_init( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *cl;
GLuint i;
cl = &ac->Fallback.Normal;
cl->Size = 3;
cl->Type = GL_FLOAT;
cl->Stride = 0;
cl->StrideB = 0;
cl->Ptr = (void *) ctx->Current.Normal;
cl->Enabled = 1;
cl = &ac->Fallback.Color;
cl->Size = 4;
cl->Type = GL_UNSIGNED_BYTE;
cl->Stride = 0;
cl->StrideB = 0;
cl->Ptr = (void *) ctx->Current.Color;
cl->Enabled = 1;
cl = &ac->Fallback.SecondaryColor;
cl->Size = 3;
cl->Type = GL_UNSIGNED_BYTE;
cl->Stride = 0;
cl->StrideB = 0;
cl->Ptr = (void *) ctx->Current.SecondaryColor;
cl->Enabled = 1;
cl = &ac->Fallback.FogCoord;
cl->Size = 1;
cl->Type = GL_FLOAT;
cl->Stride = 0;
cl->StrideB = 0;
cl->Ptr = (void *) &ctx->Current.FogCoord;
cl->Enabled = 1;
cl = &ac->Fallback.Index;
cl->Size = 1;
cl->Type = GL_UNSIGNED_INT;
cl->Stride = 0;
cl->StrideB = 0;
cl->Ptr = (void *) &ctx->Current.Index;
cl->Enabled = 1;
for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++) {
cl = &ac->Fallback.TexCoord[i];
cl->Size = 4;
cl->Type = GL_FLOAT;
cl->Stride = 0;
cl->StrideB = 0;
cl->Ptr = (void *) ctx->Current.Texcoord[i];
cl->Enabled = 1;
}
cl = &ac->Fallback.EdgeFlag;
cl->Size = 1;
cl->Type = GL_UNSIGNED_BYTE;
cl->Stride = 0;
cl->StrideB = 0;
cl->Ptr = (void *) &ctx->Current.EdgeFlag;
cl->Enabled = 1;
}
static void _ac_cache_init( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *cl;
GLuint size = ctx->Const.MaxArrayLockSize + MAX_CLIPPED_VERTICES;
GLuint i;
cl = &ac->Cache.Vertex;
cl->Size = 4;
cl->Type = GL_FLOAT;
cl->Stride = 0;
cl->StrideB = 4 * sizeof(GLfloat);
cl->Ptr = MALLOC( cl->StrideB * size );
cl->Enabled = 1;
cl = &ac->Cache.Normal;
cl->Size = 3;
cl->Type = GL_FLOAT;
cl->Stride = 0;
cl->StrideB = 3 * sizeof(GLfloat);
cl->Ptr = MALLOC( cl->StrideB * size );
cl->Enabled = 1;
cl = &ac->Cache.Color;
cl->Size = 4;
cl->Type = GL_UNSIGNED_BYTE;
cl->Stride = 0;
cl->StrideB = 4 * sizeof(GLubyte);
cl->Ptr = MALLOC( cl->StrideB * size );
cl->Enabled = 1;
cl = &ac->Cache.SecondaryColor;
cl->Size = 3;
cl->Type = GL_UNSIGNED_BYTE;
cl->Stride = 0;
cl->StrideB = 4 * sizeof(GLubyte);
cl->Ptr = MALLOC( cl->StrideB * size );
cl->Enabled = 1;
cl = &ac->Cache.FogCoord;
cl->Size = 1;
cl->Type = GL_FLOAT;
cl->Stride = 0;
cl->StrideB = sizeof(GLfloat);
cl->Ptr = MALLOC( cl->StrideB * size );
cl->Enabled = 1;
cl = &ac->Cache.Index;
cl->Size = 1;
cl->Type = GL_UNSIGNED_INT;
cl->Stride = 0;
cl->StrideB = sizeof(GLuint);
cl->Ptr = MALLOC( cl->StrideB * size );
cl->Enabled = 1;
for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++) {
cl = &ac->Cache.TexCoord[i];
cl->Size = 4;
cl->Type = GL_FLOAT;
cl->Stride = 0;
cl->StrideB = 4 * sizeof(GLfloat);
cl->Ptr = MALLOC( cl->StrideB * size );
cl->Enabled = 1;
}
cl = &ac->Cache.EdgeFlag;
cl->Size = 1;
cl->Type = GL_UNSIGNED_BYTE;
cl->Stride = 0;
cl->StrideB = sizeof(GLubyte);
cl->Ptr = MALLOC( cl->StrideB * size );
cl->Enabled = 1;
}
/* This storage used to hold translated client data if type or stride
* need to be fixed.
*/
static void _ac_elts_init( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
GLuint size = 1000;
ac->Elts = (GLuint *)MALLOC( sizeof(GLuint) * size );
ac->elt_size = size;
}
static void _ac_current_init( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
GLuint i;
ac->Current.Color = &ac->Fallback.Color;
ac->Current.EdgeFlag = &ac->Fallback.EdgeFlag;
ac->Current.FogCoord = &ac->Fallback.FogCoord;
ac->Current.Index = &ac->Fallback.Index;
ac->Current.Normal = &ac->Fallback.Normal;
ac->Current.SecondaryColor = &ac->Fallback.SecondaryColor;
ac->Current.Vertex = &ctx->Array.Vertex;
ac->Writeable.Color = GL_FALSE;
ac->Writeable.EdgeFlag = GL_FALSE;
ac->Writeable.FogCoord = GL_FALSE;
ac->Writeable.Index = GL_FALSE;
ac->Writeable.Normal = GL_FALSE;
ac->Writeable.SecondaryColor = GL_FALSE;
ac->Writeable.Vertex = GL_FALSE;
for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++) {
ac->Current.TexCoord[i] = &ac->Fallback.TexCoord[i];
ac->Writeable.TexCoord[i] = GL_FALSE;
}
}
GLboolean _ac_CreateContext( GLcontext *ctx )
{
ctx->acache_context = CALLOC(sizeof(ACcontext));
if (ctx->acache_context) {
_ac_cache_init( ctx );
_ac_fallbacks_init( ctx );
_ac_current_init( ctx );
_ac_elts_init( ctx );
return GL_TRUE;
}
return GL_FALSE;
}
void _ac_DestroyContext( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
GLint i;
if (ac->Cache.Vertex.Ptr) FREE( ac->Cache.Vertex.Ptr );
if (ac->Cache.Normal.Ptr) FREE( ac->Cache.Normal.Ptr );
if (ac->Cache.Color.Ptr) FREE( ac->Cache.Color.Ptr );
if (ac->Cache.SecondaryColor.Ptr) FREE( ac->Cache.SecondaryColor.Ptr );
if (ac->Cache.EdgeFlag.Ptr) FREE( ac->Cache.EdgeFlag.Ptr );
if (ac->Cache.Index.Ptr) FREE( ac->Cache.Index.Ptr );
if (ac->Cache.FogCoord.Ptr) FREE( ac->Cache.FogCoord.Ptr );
for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
if (ac->Cache.TexCoord[i].Ptr)
FREE( ac->Cache.TexCoord[i].Ptr );
}
if (ac->Elts) FREE( ac->Elts );
}
void _ac_InvalidateState( GLcontext *ctx, GLuint new_state )
{
AC_CONTEXT(ctx)->NewState |= new_state;
AC_CONTEXT(ctx)->NewArrayState |= ctx->Array.NewState;
}
+98
View File
@@ -0,0 +1,98 @@
/* $Id: ac_context.h,v 1.1 2000/12/26 15:14:04 keithw Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999 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.
*
* Author:
* Keith Whitwell <keithw@valinux.com>
*/
#ifndef _AC_CONTEXT_H
#define _AC_CONTEXT_H
#include "glheader.h"
#include "mtypes.h"
#include "array_cache/acache.h"
/* These are used to make the ctx->Current values look like
* arrays (with zero StrideB).
*/
struct ac_arrays {
struct gl_client_array Vertex;
struct gl_client_array Normal;
struct gl_client_array Color;
struct gl_client_array SecondaryColor;
struct gl_client_array FogCoord;
struct gl_client_array Index;
struct gl_client_array TexCoord[MAX_TEXTURE_UNITS];
struct gl_client_array EdgeFlag;
};
struct ac_array_pointers {
struct gl_client_array *Vertex;
struct gl_client_array *Normal;
struct gl_client_array *Color;
struct gl_client_array *SecondaryColor;
struct gl_client_array *FogCoord;
struct gl_client_array *Index;
struct gl_client_array *TexCoord[MAX_TEXTURE_UNITS];
struct gl_client_array *EdgeFlag;
};
struct ac_array_flags {
GLboolean Vertex;
GLboolean Normal;
GLboolean Color;
GLboolean SecondaryColor;
GLboolean FogCoord;
GLboolean Index;
GLboolean TexCoord[MAX_TEXTURE_UNITS];
GLboolean EdgeFlag;
};
typedef struct {
GLuint NewState; /* not needed? */
GLuint NewArrayState;
/* Facility for importing and caching array data:
*/
struct ac_arrays Fallback;
struct ac_arrays Cache;
struct ac_array_pointers Current;
struct ac_array_flags Writeable;
GLuint start;
GLuint count;
/* Facility for importing element lists:
*/
GLuint *Elts;
GLuint elt_size;
} ACcontext;
#define AC_CONTEXT(ctx) ((ACcontext *)ctx->acache_context)
#endif
+712
View File
@@ -0,0 +1,712 @@
/* $Id: ac_import.c,v 1.1 2000/12/26 15:14:04 keithw Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999 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.
*
* Author:
* Keith Whitwell <keithw@valinux.com>
*/
#include "glheader.h"
#include "macros.h"
#include "mem.h"
#include "mmath.h"
#include "mtypes.h"
#include "array_cache/ac_context.h"
/* Set the array pointer back to its source when the cached data is
* invalidated:
*/
static void reset_texcoord( GLcontext *ctx, GLuint unit )
{
ACcontext *ac = AC_CONTEXT(ctx);
if (ctx->Array._Enabled & _NEW_ARRAY_TEXCOORD(unit))
ac->Current.TexCoord[unit] = &ctx->Array.TexCoord[unit];
else {
ac->Current.TexCoord[unit] = &ac->Fallback.TexCoord[unit];
if (ctx->Current.Texcoord[unit][4] != 1.0)
ac->Current.TexCoord[unit]->Size = 4;
else if (ctx->Current.Texcoord[unit][3] != 0.0)
ac->Current.TexCoord[unit]->Size = 3;
else
ac->Current.TexCoord[unit]->Size = 2;
}
ac->Writeable.TexCoord[unit] = GL_FALSE;
ac->NewArrayState &= ~_NEW_ARRAY_TEXCOORD(unit);
}
static void reset_vertex( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
ASSERT(ctx->Array.Vertex.Enabled);
ac->Current.Vertex = &ctx->Array.Vertex;
ac->Writeable.Vertex = GL_FALSE;
ac->NewArrayState &= ~_NEW_ARRAY_VERTEX;
}
static void reset_normal( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
if (ctx->Array._Enabled & _NEW_ARRAY_NORMAL) {
/* fprintf(stderr, "reset normal: using client array enab %d\n", */
/* ctx->Array.Normal.Enabled); */
ac->Current.Normal = &ctx->Array.Normal;
}
else {
/* fprintf(stderr, "reset normal: using fallback enab %d\n", */
/* ctx->Array.Normal.Enabled); */
ac->Current.Normal = &ac->Fallback.Normal;
}
ac->Writeable.Normal = GL_FALSE;
ac->NewArrayState &= ~_NEW_ARRAY_NORMAL;
}
static void reset_color( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
if (ctx->Array._Enabled & _NEW_ARRAY_COLOR)
ac->Current.Color = &ctx->Array.Color;
else
ac->Current.Color = &ac->Fallback.Color;
/* fprintf(stderr, "reset_color, stride now %d\n", ac->Current.Color->StrideB); */
ac->Writeable.Color = GL_FALSE;
ac->NewArrayState &= ~_NEW_ARRAY_COLOR;
}
static void reset_secondarycolor( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
if (ctx->Array._Enabled & _NEW_ARRAY_SECONDARYCOLOR)
ac->Current.SecondaryColor = &ctx->Array.SecondaryColor;
else
ac->Current.SecondaryColor = &ac->Fallback.SecondaryColor;
ac->Writeable.SecondaryColor = GL_FALSE;
ac->NewArrayState &= ~_NEW_ARRAY_SECONDARYCOLOR;
}
static void reset_index( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
if (ctx->Array._Enabled & _NEW_ARRAY_INDEX)
ac->Current.Index = &ctx->Array.Index;
else
ac->Current.Index = &ac->Fallback.Index;
ac->Writeable.Index = GL_FALSE;
ac->NewArrayState &= ~_NEW_ARRAY_INDEX;
}
static void reset_fogcoord( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
if (ctx->Array._Enabled & _NEW_ARRAY_FOGCOORD)
ac->Current.FogCoord = &ctx->Array.FogCoord;
else
ac->Current.FogCoord = &ac->Fallback.FogCoord;
ac->Writeable.FogCoord = GL_FALSE;
ac->NewArrayState &= ~_NEW_ARRAY_FOGCOORD;
}
static void reset_edgeflag( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
if (ctx->Array._Enabled & _NEW_ARRAY_EDGEFLAG)
ac->Current.EdgeFlag = &ctx->Array.EdgeFlag;
else
ac->Current.EdgeFlag = &ac->Fallback.EdgeFlag;
ac->Writeable.EdgeFlag = GL_FALSE;
ac->NewArrayState &= ~_NEW_ARRAY_EDGEFLAG;
}
/* Functions to import array ranges with specified types and strides.
*/
static void import_texcoord( GLcontext *ctx, GLuint unit,
GLenum type, GLuint stride )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *from = ac->Current.TexCoord[unit];
struct gl_client_array *to = &ac->Cache.TexCoord[unit];
/* Limited choices at this stage:
*/
ASSERT(type == GL_FLOAT);
ASSERT(stride == 4*sizeof(GLfloat) || stride == 0);
ASSERT(ac->count - ac->start < ctx->Const.MaxArrayLockSize);
_math_trans_4f( to->Ptr,
from->Ptr,
from->StrideB,
from->Type,
from->Size,
ac->start,
ac->count);
to->Size = from->Size;
to->StrideB = 4 * sizeof(GLfloat);
to->Type = GL_FLOAT;
ac->Current.TexCoord[unit] = to;
ac->Writeable.TexCoord[unit] = GL_TRUE;
}
static void import_vertex( GLcontext *ctx,
GLenum type, GLuint stride )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *from = ac->Current.Vertex;
struct gl_client_array *to = &ac->Cache.Vertex;
/* Limited choices at this stage:
*/
ASSERT(type == GL_FLOAT);
ASSERT(stride == 4*sizeof(GLfloat) || stride == 0);
_math_trans_4f( to->Ptr,
from->Ptr,
from->StrideB,
from->Type,
from->Size,
ac->start,
ac->count);
to->Size = from->Size;
to->StrideB = 4 * sizeof(GLfloat);
to->Type = GL_FLOAT;
ac->Current.Vertex = to;
ac->Writeable.Vertex = GL_TRUE;
}
static void import_normal( GLcontext *ctx,
GLenum type, GLuint stride )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *from = ac->Current.Normal;
struct gl_client_array *to = &ac->Cache.Normal;
/* fprintf(stderr, "ac: import_normal\n"); */
/* Limited choices at this stage:
*/
ASSERT(type == GL_FLOAT);
ASSERT(stride == 3*sizeof(GLfloat) || stride == 0);
_math_trans_3f( to->Ptr,
from->Ptr,
from->StrideB,
from->Type,
ac->start,
ac->count);
to->StrideB = 3 * sizeof(GLfloat);
to->Type = GL_FLOAT;
ac->Current.Normal = to;
ac->Writeable.Normal = GL_TRUE;
}
static void import_color( GLcontext *ctx,
GLenum type, GLuint stride )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *from = ac->Current.Color;
struct gl_client_array *to = &ac->Cache.Color;
/* fprintf(stderr, "(ac) %s\n", __FUNCTION__); */
/* Limited choices at this stage:
*/
ASSERT(type == GL_UNSIGNED_BYTE);
ASSERT(stride == 4*sizeof(GLubyte) || stride == 0);
_math_trans_4ub( to->Ptr,
from->Ptr,
from->StrideB,
from->Type,
from->Size,
ac->start,
ac->count);
to->Size = from->Size;
to->StrideB = 4 * sizeof(GLubyte);
to->Type = GL_FLOAT;
ac->Current.Color = to;
ac->Writeable.Color = GL_TRUE;
}
static void import_index( GLcontext *ctx,
GLenum type, GLuint stride )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *from = ac->Current.Index;
struct gl_client_array *to = &ac->Cache.Index;
/* Limited choices at this stage:
*/
ASSERT(type == GL_UNSIGNED_INT);
ASSERT(stride == sizeof(GLuint) || stride == 0);
_math_trans_1ui( to->Ptr,
from->Ptr,
from->StrideB,
from->Type,
ac->start,
ac->count);
to->StrideB = sizeof(GLuint);
to->Type = GL_UNSIGNED_INT;
ac->Current.Index = to;
ac->Writeable.Index = GL_TRUE;
}
static void import_secondarycolor( GLcontext *ctx,
GLenum type, GLuint stride )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *from = ac->Current.SecondaryColor;
struct gl_client_array *to = &ac->Cache.SecondaryColor;
/* Limited choices at this stage:
*/
ASSERT(type == GL_UNSIGNED_BYTE);
ASSERT(stride == 4*sizeof(GLubyte) || stride == 0);
_math_trans_4ub( to->Ptr,
from->Ptr,
from->StrideB,
from->Type,
from->Size,
ac->start,
ac->count);
to->StrideB = 4 * sizeof(GLubyte);
to->Type = GL_UNSIGNED_BYTE;
ac->Current.SecondaryColor = to;
ac->Writeable.SecondaryColor = GL_TRUE;
}
static void import_fogcoord( GLcontext *ctx,
GLenum type, GLuint stride )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *from = ac->Current.FogCoord;
struct gl_client_array *to = &ac->Cache.FogCoord;
/* Limited choices at this stage:
*/
ASSERT(type == GL_FLOAT);
ASSERT(stride == sizeof(GLfloat) || stride == 0);
_math_trans_1f( to->Ptr,
from->Ptr,
from->StrideB,
from->Type,
ac->start,
ac->count);
to->StrideB = sizeof(GLfloat);
to->Type = GL_FLOAT;
ac->Current.FogCoord = to;
ac->Writeable.FogCoord = GL_TRUE;
}
static void import_edgeflag( GLcontext *ctx,
GLenum type, GLuint stride )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *from = ac->Current.EdgeFlag;
struct gl_client_array *to = &ac->Cache.EdgeFlag;
/* Limited choices at this stage:
*/
ASSERT(type == GL_FLOAT);
ASSERT(stride == sizeof(GLfloat) || stride == 0);
_math_trans_1f( to->Ptr,
from->Ptr,
from->StrideB,
from->Type,
ac->start,
ac->count);
to->StrideB = sizeof(GLfloat);
to->Type = GL_FLOAT;
ac->Current.EdgeFlag = to;
ac->Writeable.EdgeFlag = GL_TRUE;
}
/* Externals to request arrays with specific properties:
*/
struct gl_client_array *_ac_import_texcoord( GLcontext *ctx,
GLuint unit,
GLenum type,
GLuint reqstride,
GLuint reqsize,
GLboolean reqwriteable,
GLboolean *writeable )
{
ACcontext *ac = AC_CONTEXT(ctx);
/* Can we keep the existing version?
*/
if (ac->NewArrayState & _NEW_ARRAY_TEXCOORD(unit))
reset_texcoord( ctx, unit );
/* Is the request impossible?
*/
if (reqsize != 0 && ac->Current.TexCoord[unit]->Size > reqsize)
return 0;
/* Do we need to pull in a copy of the client data:
*/
if (ac->Current.TexCoord[unit]->Type != type ||
(reqstride != 0 && ac->Current.TexCoord[unit]->StrideB != reqstride) ||
(reqwriteable && !ac->Writeable.TexCoord[unit]))
import_texcoord(ctx, unit, type, reqstride );
*writeable = ac->Writeable.TexCoord[unit];
return ac->Current.TexCoord[unit];
}
struct gl_client_array *_ac_import_vertex( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLuint reqsize,
GLboolean reqwriteable,
GLboolean *writeable )
{
ACcontext *ac = AC_CONTEXT(ctx);
/* Can we keep the existing version?
*/
if (ac->NewArrayState & _NEW_ARRAY_VERTEX)
reset_vertex( ctx );
/* Is the request impossible?
*/
if (reqsize != 0 && ac->Current.Vertex->Size > reqsize)
return 0;
/* Do we need to pull in a copy of the client data:
*/
if (ac->Current.Vertex->Type != type ||
(reqstride != 0 && ac->Current.Vertex->StrideB != reqstride) ||
(reqwriteable && !ac->Writeable.Vertex))
import_vertex(ctx, type, reqstride );
*writeable = ac->Writeable.Vertex;
return ac->Current.Vertex;
}
struct gl_client_array *_ac_import_normal( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLboolean reqwriteable,
GLboolean *writeable )
{
ACcontext *ac = AC_CONTEXT(ctx);
/* fprintf(stderr, "%s %d\n", __FUNCTION__, ac->NewArrayState & _NEW_ARRAY_NORMAL); */
/* Can we keep the existing version?
*/
if (ac->NewArrayState & _NEW_ARRAY_NORMAL)
reset_normal( ctx );
/* Do we need to pull in a copy of the client data:
*/
if (ac->Current.Normal->Type != type ||
(reqstride != 0 && ac->Current.Normal->StrideB != reqstride) ||
(reqwriteable && !ac->Writeable.Normal))
import_normal(ctx, type, reqstride );
*writeable = ac->Writeable.Normal;
return ac->Current.Normal;
}
struct gl_client_array *_ac_import_color( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLuint reqsize,
GLboolean reqwriteable,
GLboolean *writeable )
{
ACcontext *ac = AC_CONTEXT(ctx);
/* fprintf(stderr, "%s stride %d sz %d wr %d\n", __FUNCTION__, */
/* reqstride, reqsize, reqwriteable); */
/* Can we keep the existing version?
*/
if (ac->NewArrayState & _NEW_ARRAY_COLOR)
reset_color( ctx );
/* Is the request impossible?
*/
if (reqsize != 0 && ac->Current.Color->Size > reqsize) {
/* fprintf(stderr, "%s -- failed\n", __FUNCTION__); */
return 0;
}
/* Do we need to pull in a copy of the client data:
*/
if (ac->Current.Color->Type != type ||
(reqstride != 0 && ac->Current.Color->StrideB != reqstride) ||
(reqwriteable && !ac->Writeable.Color))
import_color(ctx, type, reqstride );
*writeable = ac->Writeable.Color;
return ac->Current.Color;
}
struct gl_client_array *_ac_import_index( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLboolean reqwriteable,
GLboolean *writeable )
{
ACcontext *ac = AC_CONTEXT(ctx);
/* Can we keep the existing version?
*/
if (ac->NewArrayState & _NEW_ARRAY_INDEX)
reset_index( ctx );
/* Do we need to pull in a copy of the client data:
*/
if (ac->Current.Index->Type != type ||
(reqstride != 0 && ac->Current.Index->StrideB != reqstride) ||
(reqwriteable && !ac->Writeable.Index))
import_index(ctx, type, reqstride );
*writeable = ac->Writeable.Index;
return ac->Current.Index;
}
struct gl_client_array *_ac_import_secondarycolor( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLuint reqsize,
GLboolean reqwriteable,
GLboolean *writeable )
{
ACcontext *ac = AC_CONTEXT(ctx);
/* Can we keep the existing version?
*/
if (ac->NewArrayState & _NEW_ARRAY_SECONDARYCOLOR)
reset_secondarycolor( ctx );
/* Is the request impossible?
*/
if (reqsize != 0 && ac->Current.SecondaryColor->Size > reqsize)
return 0;
/* Do we need to pull in a copy of the client data:
*/
if (ac->Current.SecondaryColor->Type != type ||
(reqstride != 0 && ac->Current.SecondaryColor->StrideB != reqstride) ||
(reqwriteable && !ac->Writeable.SecondaryColor))
import_secondarycolor( ctx, type, reqstride );
*writeable = ac->Writeable.SecondaryColor;
return ac->Current.SecondaryColor;
}
struct gl_client_array *_ac_import_fogcoord( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLboolean reqwriteable,
GLboolean *writeable )
{
ACcontext *ac = AC_CONTEXT(ctx);
/* Can we keep the existing version?
*/
if (ac->NewArrayState & _NEW_ARRAY_FOGCOORD)
reset_fogcoord( ctx );
/* Do we need to pull in a copy of the client data:
*/
if (ac->Current.FogCoord->Type != type ||
(reqstride != 0 && ac->Current.FogCoord->StrideB != reqstride) ||
(reqwriteable && !ac->Writeable.FogCoord))
import_fogcoord(ctx, type, reqstride );
*writeable = ac->Writeable.FogCoord;
return ac->Current.FogCoord;
}
struct gl_client_array *_ac_import_edgeflag( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLboolean reqwriteable,
GLboolean *writeable )
{
ACcontext *ac = AC_CONTEXT(ctx);
/* Can we keep the existing version?
*/
if (ac->NewArrayState & _NEW_ARRAY_EDGEFLAG)
reset_edgeflag( ctx );
/* Do we need to pull in a copy of the client data:
*/
if (ac->Current.EdgeFlag->Type != type ||
(reqstride != 0 && ac->Current.EdgeFlag->StrideB != reqstride) ||
(reqwriteable && !ac->Writeable.EdgeFlag))
import_edgeflag(ctx, type, reqstride );
*writeable = ac->Writeable.EdgeFlag;
return ac->Current.EdgeFlag;
}
/* Clients must call this function to validate state and set bounds
* before importing any data:
*/
void _ac_import_range( GLcontext *ctx, GLuint start, GLuint count )
{
ACcontext *ac = AC_CONTEXT(ctx);
/* Discard cached data which has been invalidated by state changes
* since last time. **ALREADY DONE**
if (ac->NewState)
_ac_update_state( ctx );
*/
if (!ctx->Array.LockCount) {
/* Not locked, discard cached data. Changes to lock
* status are caught via. _ac_invalidate_state().
*/
ac->NewArrayState = _NEW_ARRAY_ALL;
ac->start = start;
ac->count = count;
}
else {
/* Locked, discard data for any disabled arrays. Require that
* the whole locked range always be dealt with, otherwise hard to
* maintain cached data in the face of clipping.
*/
ac->NewArrayState |= ~ctx->Array._Enabled;
ac->start = ctx->Array.LockFirst;
ac->count = ctx->Array.LockCount;
ASSERT(ac->start == start); /* hmm? */
ASSERT(ac->count == count);
}
}
/* Additional convienence function for importing a the element list
* for drawelements, drawrangeelements:
*/
CONST void *
_ac_import_elements( GLcontext *ctx,
GLenum new_type,
GLuint count,
GLenum old_type,
CONST void *indices )
{
ACcontext *ac = AC_CONTEXT(ctx);
if (old_type == new_type)
return indices;
if (ac->elt_size < count * sizeof(GLuint)) {
if (ac->Elts) FREE(ac->Elts);
while (ac->elt_size < count * sizeof(GLuint))
ac->elt_size *= 2;
ac->Elts = MALLOC(ac->elt_size);
}
switch (new_type) {
case GL_UNSIGNED_BYTE:
ASSERT(0);
return 0;
case GL_UNSIGNED_SHORT:
ASSERT(0);
return 0;
case GL_UNSIGNED_INT: {
GLuint *out = (GLuint *)ac->Elts;
GLuint i;
switch (old_type) {
case GL_UNSIGNED_BYTE: {
CONST GLubyte *in = (CONST GLubyte *)indices;
for (i = 0 ; i < count ; i++)
out[i] = in[i];
break;
}
case GL_UNSIGNED_SHORT: {
CONST GLushort *in = (CONST GLushort *)indices;
for (i = 0 ; i < count ; i++)
out[i] = in[i];
break;
}
default:
ASSERT(0);
}
return (CONST void *)out;
}
default:
ASSERT(0);
break;
}
return 0;
}
+122
View File
@@ -0,0 +1,122 @@
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999 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.
*
* Authors:
* Keith Whitwell <keithw@valinux.com>
*/
#ifndef _ARRAYCACHE_H
#define _ARRAYCACHE_H
#include "mtypes.h"
extern GLboolean
_ac_CreateContext( GLcontext *ctx );
extern void
_ac_DestroyContext( GLcontext *ctx );
extern void
_ac_InvalidateState( GLcontext *ctx, GLuint new_state );
extern struct gl_client_array *
_ac_import_texcoord( GLcontext *ctx,
GLuint unit,
GLenum type,
GLuint reqstride,
GLuint reqsize,
GLboolean reqwritable,
GLboolean *writable );
extern struct gl_client_array *
_ac_import_vertex( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLuint reqsize,
GLboolean reqwritable,
GLboolean *writable );
extern struct gl_client_array *
_ac_import_normal( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLboolean reqwritable,
GLboolean *writable );
extern struct gl_client_array *
_ac_import_color( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLuint reqsize,
GLboolean reqwritable,
GLboolean *writable );
extern struct gl_client_array *
_ac_import_index( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLboolean reqwritable,
GLboolean *writable );
extern struct gl_client_array *
_ac_import_secondarycolor( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLuint reqsize,
GLboolean reqwritable,
GLboolean *writable );
extern struct gl_client_array *
_ac_import_fogcoord( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLboolean reqwritable,
GLboolean *writable );
extern struct gl_client_array *
_ac_import_edgeflag( GLcontext *ctx,
GLenum type,
GLuint reqstride,
GLboolean reqwritable,
GLboolean *writable );
/* Clients must call this function to validate state and set bounds
* before importing any data:
*/
extern void
_ac_import_range( GLcontext *ctx, GLuint start, GLuint count );
/* Additional convenience function:
*/
extern CONST void *
_ac_import_elements( GLcontext *ctx,
GLenum new_type,
GLuint count,
GLenum old_type,
CONST void *indices );
#endif