vertex program attribute array work

This commit is contained in:
Brian Paul 2002-04-21 18:49:18 +00:00
parent 1113e3266f
commit b7752724d9
7 changed files with 151 additions and 40 deletions

View file

@ -1,10 +1,10 @@
/* $Id: ac_context.h,v 1.3 2001/03/12 00:48:41 gareth Exp $ */
/* $Id: ac_context.h,v 1.4 2002/04/21 18:49:19 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
* Version: 4.1
*
* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2002 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"),
@ -47,6 +47,7 @@ struct ac_arrays {
struct gl_client_array Index;
struct gl_client_array TexCoord[MAX_TEXTURE_UNITS];
struct gl_client_array EdgeFlag;
struct gl_client_array Attrib[VERT_ATTRIB_MAX]; /* GL_NV_vertex_program */
};
struct ac_array_pointers {
@ -58,6 +59,7 @@ struct ac_array_pointers {
struct gl_client_array *Index;
struct gl_client_array *TexCoord[MAX_TEXTURE_UNITS];
struct gl_client_array *EdgeFlag;
struct gl_client_array *Attrib[VERT_ATTRIB_MAX]; /* GL_NV_vertex_program */
};
struct ac_array_flags {
@ -69,6 +71,7 @@ struct ac_array_flags {
GLboolean Index;
GLboolean TexCoord[MAX_TEXTURE_UNITS];
GLboolean EdgeFlag;
GLboolean Attrib[VERT_ATTRIB_MAX]; /* GL_NV_vertex_program */
};

View file

@ -1,4 +1,4 @@
/* $Id: ac_import.c,v 1.16 2002/01/05 20:51:12 brianp Exp $ */
/* $Id: ac_import.c,v 1.17 2002/04/21 18:49:19 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -147,6 +147,7 @@ static void reset_index( GLcontext *ctx )
ac->NewArrayState &= ~_NEW_ARRAY_INDEX;
}
static void reset_fogcoord( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
@ -162,6 +163,7 @@ static void reset_fogcoord( GLcontext *ctx )
ac->NewArrayState &= ~_NEW_ARRAY_FOGCOORD;
}
static void reset_edgeflag( GLcontext *ctx )
{
ACcontext *ac = AC_CONTEXT(ctx);
@ -178,7 +180,33 @@ static void reset_edgeflag( GLcontext *ctx )
}
static void reset_attrib( GLcontext *ctx, GLuint index )
{
ACcontext *ac = AC_CONTEXT(ctx);
if (ctx->Array._Enabled & _NEW_ARRAY_ATTRIB(index)) {
ac->Raw.Attrib[index] = ctx->Array.VertexAttrib[index];
STRIDE_ARRAY(ac->Raw.Attrib[index], ac->start);
}
else {
ac->Raw.Attrib[index] = ac->Fallback.Attrib[index];
if (ctx->Current.Attrib[index][3] != 1.0)
ac->Raw.Attrib[index].Size = 4;
else if (ctx->Current.Attrib[index][2] != 0.0)
ac->Raw.Attrib[index].Size = 3;
else
ac->Raw.Attrib[index].Size = 2;
}
ac->IsCached.Attrib[index] = GL_FALSE;
ac->NewArrayState &= ~_NEW_ARRAY_ATTRIB(index);
}
/*
* Generic import function for color data
*/
static void import( GLcontext *ctx,
GLenum type,
struct gl_client_array *to,
@ -237,8 +265,12 @@ static void import( GLcontext *ctx,
/* Functions to import array ranges with specified types and strides.
/*
* Functions to import array ranges with specified types and strides.
* For example, if the vertex data is GLshort[2] and we want GLfloat[3]
* we'll use an import function to do the data conversion.
*/
static void import_texcoord( GLcontext *ctx, GLuint unit,
GLenum type, GLuint stride )
{
@ -246,6 +278,8 @@ static void import_texcoord( GLcontext *ctx, GLuint unit,
struct gl_client_array *from = &ac->Raw.TexCoord[unit];
struct gl_client_array *to = &ac->Cache.TexCoord[unit];
ASSERT(unit < ctx->Const.MaxTextureUnits);
/* Limited choices at this stage:
*/
ASSERT(type == GL_FLOAT);
@ -316,9 +350,6 @@ static void import_normal( GLcontext *ctx,
ac->IsCached.Normal = GL_TRUE;
}
static void import_color( GLcontext *ctx,
GLenum type, GLuint stride )
{
@ -415,10 +446,42 @@ static void import_edgeflag( GLcontext *ctx,
ac->IsCached.EdgeFlag = GL_TRUE;
}
static void import_attrib( GLcontext *ctx, GLuint index,
GLenum type, GLuint stride )
{
ACcontext *ac = AC_CONTEXT(ctx);
struct gl_client_array *from = &ac->Raw.Attrib[index];
struct gl_client_array *to = &ac->Cache.Attrib[index];
ASSERT(index < VERT_ATTRIB_MAX);
/* 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( (GLfloat (*)[4]) to->Ptr,
from->Ptr,
from->StrideB,
from->Type,
from->Size,
0,
ac->count - ac->start);
to->Size = from->Size;
to->StrideB = 4 * sizeof(GLfloat);
to->Type = GL_FLOAT;
ac->IsCached.Attrib[index] = GL_TRUE;
}
/* Externals to request arrays with specific properties:
/*
* Externals to request arrays with specific properties:
*/
struct gl_client_array *_ac_import_texcoord( GLcontext *ctx,
GLuint unit,
GLenum type,
@ -429,6 +492,8 @@ struct gl_client_array *_ac_import_texcoord( GLcontext *ctx,
{
ACcontext *ac = AC_CONTEXT(ctx);
ASSERT(unit < ctx->Const.MaxTextureUnits);
/* Can we keep the existing version?
*/
if (ac->NewArrayState & _NEW_ARRAY_TEXCOORD(unit))
@ -656,9 +721,6 @@ struct gl_client_array *_ac_import_fogcoord( GLcontext *ctx,
}
}
struct gl_client_array *_ac_import_edgeflag( GLcontext *ctx,
GLenum type,
GLuint reqstride,
@ -689,8 +751,45 @@ struct gl_client_array *_ac_import_edgeflag( GLcontext *ctx,
}
}
/* GL_NV_vertex_program */
struct gl_client_array *_ac_import_attrib( GLcontext *ctx,
GLuint index,
GLenum type,
GLuint reqstride,
GLuint reqsize,
GLboolean reqwriteable,
GLboolean *writeable )
{
ACcontext *ac = AC_CONTEXT(ctx);
ASSERT(index < VERT_ATTRIB_MAX);
/* Can we keep the existing version?
*/
if (ac->NewArrayState & _NEW_ARRAY_ATTRIB(index))
reset_attrib( ctx, index );
/* Is the request impossible?
*/
if (reqsize != 0 && ac->Raw.Attrib[index].Size > (GLint) reqsize)
return 0;
/* Do we need to pull in a copy of the client data:
*/
if (ac->Raw.Attrib[index].Type != type ||
(reqstride != 0 && ac->Raw.Attrib[index].StrideB != (GLint)reqstride) ||
reqwriteable)
{
if (!ac->IsCached.Attrib[index])
import_attrib(ctx, index, type, reqstride );
*writeable = GL_TRUE;
return &ac->Cache.Attrib[index];
}
else {
*writeable = GL_FALSE;
return &ac->Raw.Attrib[index];
}
}
/* Clients must call this function to validate state and set bounds
@ -723,8 +822,8 @@ void _ac_import_range( GLcontext *ctx, GLuint start, GLuint count )
/* Additional convienence function for importing a the element list
* for drawelements, drawrangeelements:
/* Additional convienence function for importing the element list
* for glDrawElements() and glDrawRangeElements().
*/
CONST void *
_ac_import_elements( GLcontext *ctx,

View file

@ -1,10 +1,10 @@
/* $Id: acache.h,v 1.2 2001/03/12 00:48:41 gareth Exp $ */
/* $Id: acache.h,v 1.3 2002/04/21 18:49:19 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
* Version: 4.1
*
* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2002 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"),
@ -42,15 +42,6 @@ _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,
@ -103,6 +94,24 @@ _ac_import_edgeflag( GLcontext *ctx,
GLboolean reqwritable,
GLboolean *writable );
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_attrib( GLcontext *ctx,
GLuint index,
GLenum type,
GLuint reqstride,
GLuint reqsize,
GLboolean reqwritable,
GLboolean *writable );
/* Clients must call this function to validate state and set bounds
* before importing any data:

View file

@ -1,4 +1,4 @@
/* $Id: dd.h,v 1.67 2002/03/16 00:57:14 brianp Exp $ */
/* $Id: dd.h,v 1.68 2002/04/21 18:49:18 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -542,6 +542,8 @@ struct dd_function_table {
void (*TexCoordPointer)(GLcontext *ctx, GLint size, GLenum type,
GLsizei stride, const GLvoid *ptr);
void (*EdgeFlagPointer)(GLcontext *ctx, GLsizei stride, const GLvoid *ptr);
void (*VertexAttribPointer)(GLcontext *ctx, GLuint index, GLint size,
GLenum type, GLsizei stride, const GLvoid *ptr);
/*** State-query functions

View file

@ -1,4 +1,4 @@
/* $Id: enable.c,v 1.61 2002/04/19 08:38:23 alanh Exp $ */
/* $Id: enable.c,v 1.62 2002/04/21 18:49:18 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -112,7 +112,7 @@ client_state( GLcontext *ctx, GLenum cap, GLboolean state )
{
GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV;
var = &ctx->Array.VertexAttrib[n].Enabled;
flag = _NEW_ARRAY_VERT_ATTRIB0; /* XXX flag OK? */
flag = _NEW_ARRAY_ATTRIB(n);
}
break;
default:

View file

@ -1,4 +1,4 @@
/* $Id: mtypes.h,v 1.71 2002/04/19 15:49:40 kschultz Exp $ */
/* $Id: mtypes.h,v 1.72 2002/04/21 18:49:18 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -1538,10 +1538,11 @@ struct matrix_stack
#define _NEW_ARRAY_TEXCOORD_6 VERT_BIT_TEX6
#define _NEW_ARRAY_TEXCOORD_7 VERT_BIT_TEX7
#define _NEW_ARRAY_ALL 0xffff
#define _NEW_ARRAY_VERT_ATTRIB0 0x10000
#define _NEW_ARRAY_ATTRIB_0 0x10000 /* start at bit 16 */
#define _NEW_ARRAY_TEXCOORD(i) (_NEW_ARRAY_TEXCOORD_0 << (i))
#define _NEW_ARRAY_ATTRIB(i) (_NEW_ARRAY_ATTRIB_0 << (i))
/* A bunch of flags that we think might be useful to drivers.
*/

View file

@ -1,4 +1,4 @@
/* $Id: varray.c,v 1.42 2002/04/04 23:59:14 brianp Exp $ */
/* $Id: varray.c,v 1.43 2002/04/21 18:49:18 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -452,12 +452,12 @@ _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *vptr)
void _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer)
GLsizei stride, const GLvoid *ptr)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index >= VP_NUM_PROG_REGS) {
if (index >= VERT_ATTRIB_MAX) {
_mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(index)");
return;
}
@ -502,16 +502,13 @@ void _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
ctx->Array.VertexAttrib[index].Stride = stride;
ctx->Array.VertexAttrib[index].Size = size;
ctx->Array.VertexAttrib[index].Type = type;
ctx->Array.VertexAttrib[index].Ptr = (void *) ptr;
/* XXX need new flags here??? */
ctx->NewState |= _NEW_ARRAY;
/* XXX probably need new flags!!!! */
ctx->Array.NewState |= _NEW_ARRAY_VERT_ATTRIB0;
ctx->Array.NewState |= _NEW_ARRAY_ATTRIB(index);
/* XXX
if (ctx->Driver.VertexAttribdPointer)
if (ctx->Driver.VertexAttribPointer)
ctx->Driver.VertexAttribPointer( ctx, index, size, type, stride, ptr );
*/
}