/* $Id: varray.c,v 1.4 1999/10/08 09:27:11 keithw Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.1
*
* 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.
*/
#ifdef PC_HEADER
#include "all.h"
#else
#ifndef XFree86Server
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#else
#include "GL/xf86glx.h"
#endif
#include "context.h"
#include "api.h"
#include "cva.h"
#include "enable.h"
#include "enums.h"
#include "dlist.h"
#include "light.h"
#include "macros.h"
#include "mmath.h"
#include "pipeline.h"
#include "texstate.h"
#include "translate.h"
#include "types.h"
#include "varray.h"
#include "vb.h"
#include "vbfill.h"
#include "vbrender.h"
#include "vbindirect.h"
#include "vbxform.h"
#include "xform.h"
#ifdef XFree86Server
#include "GL/xf86glx.h"
#endif
#endif
#if defined(GLX_DIRECT_RENDERING) && !defined(XFree86Server) && !defined(GLX_USE_DLOPEN)
#define NEED_MESA_FUNCS_WRAPPED
#include "mesa_api.h"
#endif
void GLAPIENTRY glVertexPointer(CTX_ARG GLint size, GLenum type, GLsizei stride,
const GLvoid *ptr )
{
GLcontext *ctx;
GET_CONTEXT;
CHECK_CONTEXT;
ctx = CC;
if (size<2 || size>4) {
gl_error( ctx, GL_INVALID_VALUE, "glVertexPointer(size)" );
return;
}
if (stride<0) {
gl_error( ctx, GL_INVALID_VALUE, "glVertexPointer(stride)" );
return;
}
if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API))
fprintf(stderr, "glVertexPointer( sz %d type %s stride %d )\n", size,
gl_lookup_enum_by_nr( type ),
stride);
ctx->Array.Vertex.StrideB = stride;
if (!stride) {
switch (type) {
case GL_SHORT:
ctx->Array.Vertex.StrideB = size*sizeof(GLshort);
break;
case GL_INT:
ctx->Array.Vertex.StrideB = size*sizeof(GLint);
break;
case GL_FLOAT:
ctx->Array.Vertex.StrideB = size*sizeof(GLfloat);
break;
case GL_DOUBLE:
ctx->Array.Vertex.StrideB = size*sizeof(GLdouble);
break;
default:
gl_error( ctx, GL_INVALID_ENUM, "glVertexPointer(type)" );
return;
}
}
ctx->Array.Vertex.Size = size;
ctx->Array.Vertex.Type = type;
ctx->Array.Vertex.Stride = stride;
ctx->Array.Vertex.Ptr = (void *) ptr;
ctx->Array.VertexFunc = gl_trans_4f_tab[size][TYPE_IDX(type)];
ctx->Array.VertexEltFunc = gl_trans_elt_4f_tab[size][TYPE_IDX(type)];
ctx->Array.NewArrayState |= VERT_OBJ_ANY;
ctx->NewState |= NEW_CLIENT_STATE;
}
void GLAPIENTRY glNormalPointer(CTX_ARG GLenum type, GLsizei stride,
const GLvoid *ptr )
{
GLcontext *ctx;
GET_CONTEXT;
CHECK_CONTEXT;
ctx = CC;
if (stride<0) {
gl_error( ctx, GL_INVALID_VALUE, "glNormalPointer(stride)" );
return;
}
if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API))
fprintf(stderr, "glNormalPointer( type %s stride %d )\n",
gl_lookup_enum_by_nr( type ),
stride);
ctx->Array.Normal.StrideB = stride;
if (!stride) {
switch (type) {
case GL_BYTE:
ctx->Array.Normal.StrideB = 3*sizeof(GLbyte);
break;
case GL_SHORT:
ctx->Array.Normal.StrideB = 3*sizeof(GLshort);
break;
case GL_INT:
ctx->Array.Normal.StrideB = 3*sizeof(GLint);
break;
case GL_FLOAT:
ctx->Array.Normal.StrideB = 3*sizeof(GLfloat);
break;
case GL_DOUBLE:
ctx->Array.Normal.StrideB = 3*sizeof(GLdouble);
break;
default:
gl_error( ctx, GL_INVALID_ENUM, "glNormalPointer(type)" );
return;
}
}
ctx->Array.Normal.Type = type;
ctx->Array.Normal.Stride = stride;
ctx->Array.Normal.Ptr = (void *) ptr;
ctx->Array.NormalFunc = gl_trans_3f_tab[TYPE_IDX(type)];
ctx->Array.NormalEltFunc = gl_trans_elt_3f_tab[TYPE_IDX(type)];
ctx->Array.NewArrayState |= VERT_NORM;
ctx->NewState |= NEW_CLIENT_STATE;
}
void GLAPIENTRY glColorPointer(CTX_ARG GLint size, GLenum type, GLsizei stride,
const GLvoid *ptr )
{
GLcontext *ctx;
GET_CONTEXT;
CHECK_CONTEXT;
ctx = CC;
if (size<3 || size>4) {
gl_error( ctx, GL_INVALID_VALUE, "glColorPointer(size)" );
return;
}
if (stride<0) {
gl_error( ctx, GL_INVALID_VALUE, "glColorPointer(stride)" );
return;
}
if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API))
fprintf(stderr, "glColorPointer( sz %d type %s stride %d )\n", size,
gl_lookup_enum_by_nr( type ),
stride);
ctx->Array.Color.StrideB = stride;
if (!stride) {
switch (type) {
case GL_BYTE:
ctx->Array.Color.StrideB = size*sizeof(GLbyte);
break;
case GL_UNSIGNED_BYTE:
ctx->Array.Color.StrideB = size*sizeof(GLubyte);
break;
case GL_SHORT:
ctx->Array.Color.StrideB = size*sizeof(GLshort);
break;
case GL_UNSIGNED_SHORT:
ctx->Array.Color.StrideB = size*sizeof(GLushort);
break;
case GL_INT:
ctx->Array.Color.StrideB = size*sizeof(GLint);
break;
case GL_UNSIGNED_INT:
ctx->Array.Color.StrideB = size*sizeof(GLuint);
break;
case GL_FLOAT:
ctx->Array.Color.StrideB = size*sizeof(GLfloat);
break;
case GL_DOUBLE:
ctx->Array.Color.StrideB = size*sizeof(GLdouble);
break;
default:
gl_error( ctx, GL_INVALID_ENUM, "glColorPointer(type)" );
return;
}
}
ctx->Array.Color.Size = size;
ctx->Array.Color.Type = type;
ctx->Array.Color.Stride = stride;
ctx->Array.Color.Ptr = (void *) ptr;
ctx->Array.ColorFunc = gl_trans_4ub_tab[size][TYPE_IDX(type)];
ctx->Array.ColorEltFunc = gl_trans_elt_4ub_tab[size][TYPE_IDX(type)];
ctx->Array.NewArrayState |= VERT_RGBA;
ctx->NewState |= NEW_CLIENT_STATE;
}
void GLAPIENTRY glIndexPointer(CTX_ARG GLenum type, GLsizei stride,
const GLvoid *ptr )
{
GLcontext *ctx;
GET_CONTEXT;
CHECK_CONTEXT;
ctx = CC;
if (stride<0) {
gl_error( ctx, GL_INVALID_VALUE, "glIndexPointer(stride)" );
return;
}
ctx->Array.Index.StrideB = stride;
if (!stride) {
switch (type) {
case GL_UNSIGNED_BYTE:
ctx->Array.Index.StrideB = sizeof(GLubyte);
break;
case GL_SHORT:
ctx->Array.Index.StrideB = sizeof(GLshort);
break;
case GL_INT:
ctx->Array.Index.StrideB = sizeof(GLint);
break;
case GL_FLOAT:
ctx->Array.Index.StrideB = sizeof(GLfloat);
break;
case GL_DOUBLE:
ctx->Array.Index.StrideB = sizeof(GLdouble);
break;
default:
gl_error( ctx, GL_INVALID_ENUM, "glIndexPointer(type)" );
return;
}
}
ctx->Array.Index.Type = type;
ctx->Array.Index.Stride = stride;
ctx->Array.Index.Ptr = (void *) ptr;
ctx->Array.IndexFunc = gl_trans_1ui_tab[TYPE_IDX(type)];
ctx->Array.IndexEltFunc = gl_trans_elt_1ui_tab[TYPE_IDX(type)];
ctx->Array.NewArrayState |= VERT_INDEX;
ctx->NewState |= NEW_CLIENT_STATE;
}
void GLAPIENTRY glTexCoordPointer(CTX_ARG GLint size, GLenum type,
GLsizei stride, const GLvoid *ptr )
{
GLuint texUnit;
GLcontext *ctx;
GET_CONTEXT;
CHECK_CONTEXT;
ctx = CC;
texUnit = ctx->Array.ActiveTexture;
if (size<1 || size>4) {
gl_error( ctx, GL_INVALID_VALUE, "glTexCoordPointer(size)" );
return;
}
if (stride<0) {
gl_error( ctx, GL_INVALID_VALUE, "glTexCoordPointer(stride)" );
return;
}
if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API))
fprintf(stderr, "glTexCoordPointer( unit %u sz %d type %s stride %d )\n",
texUnit,
size,
gl_lookup_enum_by_nr( type ),
stride);
ctx->Array.TexCoord[texUnit].StrideB = stride;
if (!stride) {
switch (type) {
case GL_SHORT:
ctx->Array.TexCoord[texUnit].StrideB = size*sizeof(GLshort);
break;
case GL_INT:
ctx->Array.TexCoord[texUnit].StrideB = size*sizeof(GLint);
break;
case GL_FLOAT:
ctx->Array.TexCoord[texUnit].StrideB = size*sizeof(GLfloat);
break;
case GL_DOUBLE:
ctx->Array.TexCoord[texUnit].StrideB = size*sizeof(GLdouble);
break;
default:
gl_error( ctx, GL_INVALID_ENUM, "glTexCoordPointer(type)" );
return;
}
}
ctx->Array.TexCoord[texUnit].Size = size;
ctx->Array.TexCoord[texUnit].Type = type;
ctx->Array.TexCoord[texUnit].Stride = stride;
ctx->Array.TexCoord[texUnit].Ptr = (void *) ptr;
ctx->Array.TexCoordFunc[texUnit] = gl_trans_4f_tab[size][TYPE_IDX(type)];
ctx->Array.TexCoordEltFunc[texUnit] = gl_trans_elt_4f_tab[size][TYPE_IDX(type)];
ctx->Array.NewArrayState |= PIPE_TEX(texUnit);
ctx->NewState |= NEW_CLIENT_STATE;
}
void GLAPIENTRY glEdgeFlagPointer(CTX_ARG GLsizei stride, const void *vptr )
{
const GLboolean *ptr = (GLboolean *)vptr;
GLcontext *ctx;
GET_CONTEXT;
CHECK_CONTEXT;
ctx = CC;
if (stride<0) {
gl_error( ctx, GL_INVALID_VALUE, "glEdgeFlagPointer(stride)" );
return;
}
ctx->Array.EdgeFlag.Stride = stride;
ctx->Array.EdgeFlag.StrideB = stride ? stride : sizeof(GLboolean);
ctx->Array.EdgeFlag.Ptr = (GLboolean *) ptr;
if (stride != sizeof(GLboolean)) {
ctx->Array.EdgeFlagFunc = gl_trans_1ub_tab[TYPE_IDX(GL_UNSIGNED_BYTE)];
} else {
ctx->Array.EdgeFlagFunc = 0;
}
ctx->Array.EdgeFlagEltFunc = gl_trans_elt_1ub_tab[TYPE_IDX(GL_UNSIGNED_BYTE)];
ctx->Array.NewArrayState |= VERT_EDGE;
ctx->NewState |= NEW_CLIENT_STATE;
}
/* Called only from gl_DrawElements
*/
void gl_CVAEltPointer( GLcontext *ctx, GLenum type, const GLvoid *ptr )
{
switch (type) {
case GL_UNSIGNED_BYTE:
ctx->CVA.Elt.StrideB = sizeof(GLubyte);
break;
case GL_UNSIGNED_SHORT:
ctx->CVA.Elt.StrideB = sizeof(GLushort);
break;
case GL_UNSIGNED_INT:
ctx->CVA.Elt.StrideB = sizeof(GLuint);
break;
default:
gl_error( ctx, GL_INVALID_ENUM, "glEltPointer(type)" );
return;
}
ctx->CVA.Elt.Type = type;
ctx->CVA.Elt.Stride = 0;
ctx->CVA.Elt.Ptr = (void *) ptr;
ctx->CVA.EltFunc = gl_trans_1ui_tab[TYPE_IDX(type)];
ctx->Array.NewArrayState |= VERT_ELT; /* ??? */
}
/* KW: Batch function to exec all the array elements in the input
* buffer prior to transform. Done only the first time a vertex
* buffer is executed or compiled.
*/
void gl_exec_array_elements( GLcontext *ctx, struct immediate *IM )
{
GLuint *flags = IM->Flag;
GLuint *elts = IM->Elt;
GLuint count = IM->Count;
GLuint start = IM->Start;
GLuint translate = ctx->Array.Flags;
GLuint i;
if (translate & VERT_OBJ_ANY)
(ctx->Array.VertexEltFunc)( IM->Obj,
&ctx->Array.Vertex,
flags, elts, (VERT_ELT|VERT_OBJ_ANY),
start, count);
if (translate & VERT_NORM)
(ctx->Array.NormalEltFunc)( IM->Normal,
&ctx->Array.Normal,
flags, elts, (VERT_ELT|VERT_NORM),
start, count);
if (translate & VERT_EDGE)
(ctx->Array.EdgeFlagEltFunc)( IM->EdgeFlag,
&ctx->Array.EdgeFlag,
flags, elts, (VERT_ELT|VERT_EDGE),
start, count);
if (translate & VERT_RGBA)
(ctx->Array.ColorEltFunc)( IM->Color,
&ctx->Array.Color,
flags, elts, (VERT_ELT|VERT_RGBA),
start, count);
if (translate & VERT_INDEX)
(ctx->Array.IndexEltFunc)( IM->Index,
&ctx->Array.Index,
flags, elts, (VERT_ELT|VERT_INDEX),
start, count);
if (translate & VERT_TEX0_ANY)
(ctx->Array.TexCoordEltFunc[0])( IM->TexCoord[0],
&ctx->Array.TexCoord[0],
flags, elts, (VERT_ELT|VERT_TEX0_ANY),
start, count);
if (translate & VERT_TEX1_ANY)
(ctx->Array.TexCoordEltFunc[1])( IM->TexCoord[1],
&ctx->Array.TexCoord[1],
flags, elts, (VERT_ELT|VERT_TEX1_ANY),
start, count);
IM->OrFlag |= translate;
/* Lighting ignores the and-flag, so still need to do this.
*/
if (IM->AndFlag & VERT_ELT) {
for (i = 0 ; i < count ; i++)
flags[i] |= translate;
IM->AndFlag |= translate;
} else {
GLuint andflag = ~0;
for (i = 0 ; i < count ; i++) {
if (flags[i] & VERT_ELT) flags[i] |= translate;
andflag &= flags[i];
}
IM->AndFlag = andflag;
}
}
/* KW: I think this is moving in the right direction, but it still feels
* like we are doing way too much work.
*/
void gl_DrawArrays( GLcontext *ctx, GLenum mode, GLint start, GLsizei count )
{
struct vertex_buffer *VB = ctx->VB;
GLint i;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glDrawArrays");
if (count<0) {
gl_error( ctx, GL_INVALID_VALUE, "glDrawArrays(count)" );
return;
}
if (!ctx->CompileFlag && ctx->Array.Vertex.Enabled)
{
GLint remaining = count;
GLint i;
GLvector4f obj;
GLvector3f norm;
GLvector4f tc[MAX_TEXTURE_UNITS];
GLvector4ub col;
GLvector1ub edge;
GLvector1ui index;
GLuint update = 0, translate = 0;
struct vertex_array_pointers VSrc;
struct immediate *IM = VB->IM;
struct gl_client_array *client_data;
struct gl_pipeline *elt = &ctx->CVA.elt;
GLuint relock;
GLuint fallback, required;
if (ctx->NewState)
gl_update_state( ctx );
/* This will die miserably with CVA... Need more work to support this.
*/
relock = ctx->CompileCVAFlag;
ctx->CompileCVAFlag = 0;
if (!elt->pipeline_valid || relock)
gl_build_immediate_pipeline( ctx );
required = elt->inputs;
fallback = (elt->inputs & ~ctx->Array.Summary);
VSrc.Color = &IM->v.Color;
VSrc.Index = &IM->v.Index;
VSrc.EdgeFlag = &IM->v.EdgeFlag;
VSrc.TexCoord[0] = &IM->v.TexCoord[0];
VSrc.TexCoord[1] = &IM->v.TexCoord[1];
VSrc.Obj = &IM->v.Obj;
VSrc.Normal = &IM->v.Normal;
if (required & VERT_RGBA)
{
client_data = &ctx->Array.Color;
if (fallback & VERT_RGBA)
client_data = &ctx->Fallback.Color;
if (client_data->Type == GL_UNSIGNED_BYTE &&
client_data->Size == 4)
{
VSrc.Color = &col;
col.data = (GLubyte (*)[4]) client_data->Ptr;
col.stride = client_data->StrideB;
col.flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE;
if (client_data->StrideB != 4 * sizeof(GLubyte))
col.flags ^= VEC_STRIDE_FLAGS;
update |= VERT_RGBA;
} else {
translate |= VERT_RGBA;
}
}
if (required & VERT_INDEX)
{
client_data = &ctx->Array.Index;
if (fallback & VERT_INDEX)
client_data = &ctx->Fallback.Index;
if (client_data->Type == GL_UNSIGNED_INT)
{
VSrc.Index = &index;
index.data = (GLuint *) client_data->Ptr;
index.stride = client_data->StrideB;
index.flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE;
if (client_data->StrideB != sizeof(GLuint))
index.flags ^= VEC_STRIDE_FLAGS;
update |= VERT_INDEX;
} else {
translate |= VERT_INDEX;
}
}
for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++)
{
GLuint flag = VERT_TEX_ANY(i);
if (required & flag) {
client_data = &ctx->Array.TexCoord[i];
if (fallback & flag)
{
client_data = &ctx->Fallback.TexCoord[i];
client_data->Size = gl_texcoord_size( ctx->Current.Flag, i );
}
if (client_data->Type == GL_FLOAT)
{
VSrc.TexCoord[i] = &tc[i];
tc[i].data = (GLfloat (*)[4]) client_data->Ptr;
tc[i].stride = client_data->StrideB;
tc[i].size = client_data->Size;
tc[i].flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE;
if (tc[i].stride |= 4 * sizeof(GLfloat))
tc[i].flags ^= VEC_STRIDE_FLAGS;
update |= flag;
} else {
translate |= flag;
}
}
}
if (ctx->Array.Flags != ctx->Array.Flag[0])
for (i = 0 ; i < VB_MAX ; i++)
ctx->Array.Flag[i] = ctx->Array.Flags;
if (ctx->Array.Vertex.Type == GL_FLOAT)
{
VSrc.Obj = &obj;
obj.data = (GLfloat (*)[4]) ctx->Array.Vertex.Ptr;
obj.stride = ctx->Array.Vertex.StrideB;
obj.size = ctx->Array.Vertex.Size;
obj.flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE;
if (obj.stride != 4 * sizeof(GLfloat))
obj.flags ^= VEC_STRIDE_FLAGS;
update |= VERT_OBJ_ANY;
}
else
{
translate |= VERT_OBJ_ANY;
}
if (required & VERT_NORM)
{
client_data = &ctx->Array.Normal;
if (fallback & VERT_NORM)
client_data = &ctx->Fallback.Normal;
if (client_data->Type == GL_FLOAT)
{
VSrc.Normal = &norm;
norm.flags = 0;
norm.data = (GLfloat (*)[3]) client_data->Ptr;
norm.stride = client_data->StrideB;
update |= VERT_NORM;
} else {
translate |= VERT_NORM;
}
}
if ( (required & VERT_EDGE) &&
(mode == GL_TRIANGLES ||
mode == GL_QUADS ||
mode == GL_POLYGON))
{
client_data = &ctx->Array.EdgeFlag;
if (fallback & VERT_EDGE)
client_data = &ctx->Fallback.EdgeFlag;
VSrc.EdgeFlag = &edge;
edge.data = (GLboolean *) client_data->Ptr;
edge.stride = client_data->StrideB;
edge.flags = VEC_NOT_WRITABLE|VEC_GOOD_STRIDE;
if (edge.stride != sizeof(GLubyte))
edge.flags ^= VEC_STRIDE_FLAGS;
update |= VERT_EDGE;
}
VB->Primitive = IM->Primitive;
VB->NextPrimitive = IM->NextPrimitive;
VB->MaterialMask = IM->MaterialMask;
VB->Material = IM->Material;
VB->BoundsPtr = 0;
while (remaining > 0) {
GLint vbspace = VB_MAX - VB_START;
GLuint count, n;
if (vbspace >= remaining) {
n = remaining;
VB->LastPrimitive = VB_START + n;
} else {
n = vbspace;
VB->LastPrimitive = VB_START;
}
VB->CullMode = 0;
/* Update pointers.
*/
if (update) {
if (update & VERT_OBJ_ANY)
obj.start = VEC_ELT(&obj, GLfloat, start);
if (update & VERT_NORM)
norm.start = VEC_ELT(&norm, GLfloat, start);
if (update & VERT_EDGE)
edge.start = VEC_ELT(&edge, GLubyte, start);
if (update & VERT_RGBA)
col.start = VEC_ELT(&col, GLubyte, start);
if (update & VERT_INDEX)
index.start = VEC_ELT(&index, GLuint, start);
if (update & VERT_TEX0_ANY)
tc[0].start = VEC_ELT(&tc[0], GLfloat, start);
if (update & VERT_TEX1_ANY)
tc[1].start = VEC_ELT(&tc[1], GLfloat, start);
}
/* Translate data to fix up type and stride.
*/
if (translate) {
if (translate & VERT_OBJ_ANY) {
ctx->Array.VertexFunc( IM->Obj + VB_START,
&ctx->Array.Vertex, start, n );
}
if (translate & VERT_NORM) {
ctx->Array.NormalFunc( IM->Normal + VB_START,
&ctx->Array.Normal, start, n );
}
if (translate & VERT_EDGE) {
ctx->Array.EdgeFlagFunc( IM->EdgeFlag + VB_START,
&ctx->Array.EdgeFlag, start, n );
}
if (translate & VERT_RGBA) {
ctx->Array.ColorFunc( IM->Color + VB_START,
&ctx->Array.Color, start, n );
}
if (translate & VERT_INDEX) {
ctx->Array.IndexFunc( IM->Index + VB_START,
&ctx->Array.Index, start, n );
}
if (translate & VERT_TEX0_ANY) {
IM->v.TexCoord[0].size = tc[0].size;
ctx->Array.TexCoordFunc[0]( IM->TexCoord[0] + VB_START,
&ctx->Array.TexCoord[0], start, n );
}
if (translate & VERT_TEX1_ANY) {
IM->v.TexCoord[1].size = tc[1].size;
ctx->Array.TexCoordFunc[1]( IM->TexCoord[1] + VB_START,
&ctx->Array.TexCoord[1], start, n );
}
}
VB->ObjPtr = VSrc.Obj;
VB->NormalPtr = VSrc.Normal;
VB->Color[0] = VB->Color[1] = VB->ColorPtr = VSrc.Color;
VB->IndexPtr = VSrc.Index;
VB->EdgeFlagPtr = VSrc.EdgeFlag;
VB->TexCoordPtr[0] = VSrc.TexCoord[0];
VB->TexCoordPtr[1] = VSrc.TexCoord[1];
VB->Flag = ctx->Array.Flag;
VB->AndFlag = ctx->Array.Flags;
VB->OrFlag = ctx->Array.Flags;
count = VB->Count = VB_START + n;
VB->ObjPtr->count = count;
VB->NormalPtr->count = count;
VB->ColorPtr->count = count;
VB->IndexPtr->count = count;
VB->EdgeFlagPtr->count = count;
VB->TexCoordPtr[0]->count = count;
VB->TexCoordPtr[1]->count = count;
VB->Flag[count] |= VERT_END_VB;
VB->Flag[VB_START] |= VERT_NORM;
/* VB->Flag[VB_START] |= (IM->Flag[vb_start] & VERT_MATERIAL); */
VB->NextPrimitive[VB->CopyStart] = VB->Count;
VB->Primitive[VB->CopyStart] = mode;
/* Transform and render.
*/
gl_run_pipeline( VB );
gl_reset_vb( VB );
ctx->Array.Flag[count] = ctx->Array.Flags;
ctx->Array.Flag[VB_START] = ctx->Array.Flags;
IM->Flag[VB_START] = 0;
start += n;
remaining -= n;
}
ctx->CompileCVAFlag = relock;
}
else if (ctx->Array.Vertex.Enabled)
{
/* The GL_COMPILE and GL_COMPILE_AND_EXECUTE cases. These
* could be handled by the above code, but it gets a little
* complex.
*/
/* No need to reset - never called from inside a display list */
gl_Begin( ctx, mode );
for (i=0;i<count;i++) {
gl_ArrayElement( ctx, start+i );
}
gl_End( ctx );
}
else
{
/* The degenerate case where vertices are not enabled - only
* need to process the very final array element, as all of the
* preceding ones would be overwritten anyway.
*/
gl_Begin( ctx, mode );
gl_ArrayElement( ctx, start+count );
gl_End( ctx );
}
}
/* KW: Exactly fakes the effects of calling glArrayElement multiple times.
* Compilation is handled via. the IM->maybe_transform_vb() callback.
*/
#define DRAW_ELT(FUNC, TYPE) \
static void FUNC( GLcontext *ctx, GLenum mode, \
TYPE *indices, GLuint count ) \
{ \
GLuint i,j; \
\
if (count) gl_Begin( ctx, mode ); \
\
for (j = 0 ; j < count ; ) { \
GLuint nr = MIN2( VB_MAX, count - j + VB_START ); \
struct immediate *IM = ctx->input; \
GLuint sf = IM->Flag[VB_START]; \
\
for (i = VB_START ; i < nr ; i++) { \
IM->Elt[i] = (GLuint) *indices++; \
IM->Flag[i] = VERT_ELT; \
} \
\
if (j == 0) IM->Flag[VB_START] |= sf; \
\
IM->Count = nr; \
j += nr - VB_START; \
\
if (j == count) gl_End( ctx ); \
\
IM->maybe_transform_vb( IM ); \
} \
}
DRAW_ELT( draw_elt_ubyte, GLubyte )
DRAW_ELT( draw_elt_ushort, GLushort )
DRAW_ELT( draw_elt_uint, GLuint )
static GLuint natural_stride[0x10] =
{
sizeof(GLbyte), /* 0 */
sizeof(GLubyte), /* 1 */
sizeof(GLshort), /* 2 */
sizeof(GLushort), /* 3 */
sizeof(GLint), /* 4 */
sizeof(GLuint), /* 5 */
sizeof(GLfloat), /* 6 */
2 * sizeof(GLbyte), /* 7 */
3 * sizeof(GLbyte), /* 8 */
4 * sizeof(GLbyte), /* 9 */
sizeof(GLdouble), /* a */
0, /* b */
0, /* c */
0, /* d */
0, /* e */
0 /* f */
};
void GLAPIENTRY glDrawElements(CTX_ARG GLenum mode, GLsizei count,
GLenum type, const GLvoid *indices )
{
GLcontext *ctx;
struct gl_cva *cva;
GET_CONTEXT;
CHECK_CONTEXT;
ctx = CC;
cva = &ctx->CVA;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glDrawElements");
if (count<0) {
gl_error( ctx, GL_INVALID_VALUE, "glDrawElements(count)" );
return;
}
if (mode < 0 || mode > GL_POLYGON) {
gl_error( ctx, GL_INVALID_ENUM, "glDrawArrays(mode)" );
return;
}
if (type != GL_UNSIGNED_INT && type != GL_UNSIGNED_BYTE && type != GL_UNSIGNED_SHORT)
{
gl_error( ctx, GL_INVALID_ENUM, "glDrawElements(type)" );
return;
}
if (ctx->NewState)
gl_update_state(ctx);
if (ctx->CompileCVAFlag)
{
#if defined(MESA_CVA_PROF)
force_init_prof();
#endif
/* Treat VERT_ELT like a special client array.
*/
ctx->Array.NewArrayState |= VERT_ELT;
ctx->Array.Summary |= VERT_ELT;
ctx->Array.Flags |= VERT_ELT;
cva->elt_mode = mode;
cva->elt_count = count;
cva->Elt.Type = type;
cva->Elt.Ptr = (void *) indices;
cva->Elt.StrideB = natural_stride[TYPE_IDX(type)];
cva->EltFunc = gl_trans_1ui_tab[TYPE_IDX(type)];
if (!cva->pre.pipeline_valid)
gl_build_precalc_pipeline( ctx );
else if (MESA_VERBOSE & VERBOSE_PIPELINE)
fprintf(stderr, ": dont rebuild\n");
gl_cva_force_precalc( ctx );
/* Did we 'precalculate' the render op?
*/
if (ctx->CVA.pre.ops & PIPE_OP_RENDER) {
ctx->Array.NewArrayState |= VERT_ELT;
ctx->Array.Summary &= ~VERT_ELT;
ctx->Array.Flags &= ~VERT_ELT;
return;
}
if ( (MESA_VERBOSE&VERBOSE_VARRAY) )
printf("using immediate\n");
}
/* Otherwise, have to use the immediate path to render.
*/
switch (type) {
case GL_UNSIGNED_BYTE:
{
GLubyte *ub_indices = (GLubyte *) indices;
if (ctx->Array.Summary & VERT_OBJ_ANY) {
draw_elt_ubyte( ctx, mode, ub_indices, count );
} else {
gl_ArrayElement( ctx, (GLuint) ub_indices[count-1] );
}
}
break;
case GL_UNSIGNED_SHORT:
{
GLushort *us_indices = (GLushort *) indices;
if (ctx->Array.Summary & VERT_OBJ_ANY) {
draw_elt_ushort( ctx, mode, us_indices, count );
} else {
gl_ArrayElement( ctx, (GLuint) us_indices[count-1] );
}
}
break;
case GL_UNSIGNED_INT:
{
GLuint *ui_indices = (GLuint *) indices;
if (ctx->Array.Summary & VERT_OBJ_ANY) {
draw_elt_uint( ctx, mode, ui_indices, count );
} else {
gl_ArrayElement( ctx, ui_indices[count-1] );
}
}
break;
default:
gl_error( ctx, GL_INVALID_ENUM, "glDrawElements(type)" );
break;
}
if (ctx->CompileCVAFlag) {
ctx->Array.NewArrayState |= VERT_ELT;
ctx->Array.Summary &= ~VERT_ELT;
}
}
void GLAPIENTRY glInterleavedArrays(CTX_ARG GLenum format, GLsizei stride,
const GLvoid *pointer )
{
GLcontext *ctx;
GLboolean tflag, cflag, nflag; /* enable/disable flags */
GLint tcomps, ccomps, vcomps; /* components per texcoord, color, vertex */
GLenum ctype; /* color type */
GLint coffset, noffset, voffset;/* color, normal, vertex offsets */
GLint defstride; /* default stride */
GLint c, f;
GLint coordUnitSave;
GET_CONTEXT;
CHECK_CONTEXT;
ctx = CC;
f = sizeof(GLfloat);
c = f * ((4*sizeof(GLubyte) + (f-1)) / f);
if (stride<0) {
gl_error( ctx, GL_INVALID_VALUE, "glInterleavedArrays(stride)" );
return;
}
switch (format) {
case GL_V2F:
tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 0; ccomps = 0; vcomps = 2;
voffset = 0;
defstride = 2*f;
break;
case GL_V3F:
tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 0; ccomps = 0; vcomps = 3;
voffset = 0;
defstride = 3*f;
break;
case GL_C4UB_V2F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 0; ccomps = 4; vcomps = 2;
ctype = GL_UNSIGNED_BYTE;
coffset = 0;
voffset = c;
defstride = c + 2*f;
break;
case GL_C4UB_V3F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 0; ccomps = 4; vcomps = 3;
ctype = GL_UNSIGNED_BYTE;
coffset = 0;
voffset = c;
defstride = c + 3*f;
break;
case GL_C3F_V3F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 0; ccomps = 3; vcomps = 3;
ctype = GL_FLOAT;
coffset = 0;
voffset = 3*f;
defstride = 6*f;
break;
case GL_N3F_V3F:
tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_TRUE;
tcomps = 0; ccomps = 0; vcomps = 3;
noffset = 0;
voffset = 3*f;
defstride = 6*f;
break;
case GL_C4F_N3F_V3F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_TRUE;
tcomps = 0; ccomps = 4; vcomps = 3;
ctype = GL_FLOAT;
coffset = 0;
noffset = 4*f;
voffset = 7*f;
defstride = 10*f;
break;
case GL_T2F_V3F:
tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 2; ccomps = 0; vcomps = 3;
voffset = 2*f;
defstride = 5*f;
break;
case GL_T4F_V4F:
tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 4; ccomps = 0; vcomps = 4;
voffset = 4*f;
defstride = 8*f;
break;
case GL_T2F_C4UB_V3F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 2; ccomps = 4; vcomps = 3;
ctype = GL_UNSIGNED_BYTE;
coffset = 2*f;
voffset = c+2*f;
defstride = c+5*f;
break;
case GL_T2F_C3F_V3F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 2; ccomps = 3; vcomps = 3;
ctype = GL_FLOAT;
coffset = 2*f;
voffset = 5*f;
defstride = 8*f;
break;
case GL_T2F_N3F_V3F:
tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_TRUE;
tcomps = 2; ccomps = 0; vcomps = 3;
noffset = 2*f;
voffset = 5*f;
defstride = 8*f;
break;
case GL_T2F_C4F_N3F_V3F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
tcomps = 2; ccomps = 4; vcomps = 3;
ctype = GL_FLOAT;
coffset = 2*f;
noffset = 6*f;
voffset = 9*f;
defstride = 12*f;
break;
case GL_T4F_C4F_N3F_V4F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
tcomps = 4; ccomps = 4; vcomps = 4;
ctype = GL_FLOAT;
coffset = 4*f;
noffset = 8*f;
voffset = 11*f;
defstride = 15*f;
break;
default:
gl_error( ctx, GL_INVALID_ENUM, "glInterleavedArrays(format)" );
return;
}
if (stride==0) {
stride = defstride;
}
gl_DisableClientState( ctx, GL_EDGE_FLAG_ARRAY );
gl_DisableClientState( ctx, GL_INDEX_ARRAY );
/* Texcoords */
coordUnitSave = ctx->Array.ActiveTexture;
if (tflag) {
GLint i;
GLint factor = ctx->Array.TexCoordInterleaveFactor;
for (i = 0; i < factor; i++) {
gl_ActiveTexture( ctx, (GLenum) (GL_TEXTURE0_ARB + i) );
gl_EnableClientState( ctx, GL_TEXTURE_COORD_ARRAY );
glTexCoordPointer(CTX_PRM tcomps, GL_FLOAT, stride,
(GLubyte *) pointer + i * coffset );
}
for (i = factor; i < ctx->Const.MaxTextureUnits; i++) {
gl_ActiveTexture( ctx, (GLenum) (GL_TEXTURE0_ARB + i) );
gl_DisableClientState( ctx, GL_TEXTURE_COORD_ARRAY );
}
}
else {
GLint i;
for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
gl_ActiveTexture( ctx, (GLenum) (GL_TEXTURE0_ARB + i) );
gl_DisableClientState( ctx, GL_TEXTURE_COORD_ARRAY );
}
}
/* Restore texture coordinate unit index */
gl_ActiveTexture( ctx, (GLenum) (GL_TEXTURE0_ARB + coordUnitSave) );
/* Color */
if (cflag) {
gl_EnableClientState( ctx, GL_COLOR_ARRAY );
glColorPointer(CTX_PRM ccomps, ctype, stride,
(GLubyte*) pointer + coffset );
}
else {
gl_DisableClientState( ctx, GL_COLOR_ARRAY );
}
/* Normals */
if (nflag) {
gl_EnableClientState( ctx, GL_NORMAL_ARRAY );
glNormalPointer(CTX_PRM GL_FLOAT, stride,
(GLubyte*) pointer + noffset );
}
else {
gl_DisableClientState( ctx, GL_NORMAL_ARRAY );
}
gl_EnableClientState( ctx, GL_VERTEX_ARRAY );
glVertexPointer(CTX_PRM vcomps, GL_FLOAT, stride,
(GLubyte *) pointer + voffset );
}
void GLAPIENTRY glDrawRangeElements(CTX_ARG GLenum mode, GLuint start,
GLuint end, GLsizei count,
GLenum type, const GLvoid *indices )
{
GLcontext *ctx;
GET_CONTEXT;
CHECK_CONTEXT;
ctx = CC;
if (end < start) {
gl_error(ctx, GL_INVALID_VALUE, "glDrawRangeElements( end < start )");
return;
}
if (!ctx->Array.LockCount && 2*count > 3*(end-start)) {
glLockArraysEXT(CTX_PRM start, end );
glDrawElements(CTX_PRM mode, count, type, indices );
glUnlockArraysEXT(CTX_VPRM );
} else {
glDrawElements(CTX_PRM mode, count, type, indices );
}
}
void gl_update_client_state( GLcontext *ctx )
{
static GLuint sz_flags[5] = { 0,
0,
VERT_OBJ_2,
VERT_OBJ_23,
VERT_OBJ_234 };
static GLuint tc_flags[5] = { 0,
VERT_TEX0_1,
VERT_TEX0_12,
VERT_TEX0_123,
VERT_TEX0_1234 };
ctx->Array.Flags = 0;
ctx->Array.Summary = 0;
ctx->input->ArrayIncr = 0;
if (ctx->Array.Normal.Enabled) ctx->Array.Flags |= VERT_NORM;
if (ctx->Array.Color.Enabled) ctx->Array.Flags |= VERT_RGBA;
if (ctx->Array.Index.Enabled) ctx->Array.Flags |= VERT_INDEX;
if (ctx->Array.EdgeFlag.Enabled) ctx->Array.Flags |= VERT_EDGE;
if (ctx->Array.Vertex.Enabled) {
ctx->Array.Flags |= sz_flags[ctx->Array.Vertex.Size];
ctx->input->ArrayIncr = 1;
}
if (ctx->Array.TexCoord[0].Enabled) {
ctx->Array.Flags |= tc_flags[ctx->Array.TexCoord[0].Size];
}
if (ctx->Array.TexCoord[1].Enabled) {
ctx->Array.Flags |= (tc_flags[ctx->Array.TexCoord[1].Size] << NR_TEXSIZE_BITS);
}
/* Not really important any more:
*/
ctx->Array.Summary = ctx->Array.Flags & VERT_DATA;
ctx->input->ArrayAndFlags = ~ctx->Array.Flags;
ctx->input->ArrayEltFlush = !(ctx->CompileCVAFlag);
}