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/* $Id: t_array_import.c,v 1.20 2002/01/05 20:51:13 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999-2001 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>
*/
#include "glheader.h"
#include "context.h"
#include "macros.h"
#include "mem.h"
#include "mmath.h"
#include "state.h"
#include "mtypes.h"
#include "array_cache/acache.h"
#include "math/m_translate.h"
#include "t_array_import.h"
#include "t_context.h"
#include "t_imm_debug.h"
static void _tnl_import_vertex( GLcontext *ctx,
GLboolean writeable,
GLboolean stride )
{
struct gl_client_array *tmp;
GLboolean is_writeable = 0;
struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
tmp = _ac_import_vertex(ctx,
GL_FLOAT,
stride ? 4*sizeof(GLfloat) : 0,
0,
writeable,
&is_writeable);
inputs->Obj.data = (GLfloat (*)[4]) tmp->Ptr;
inputs->Obj.start = (GLfloat *) tmp->Ptr;
inputs->Obj.stride = tmp->StrideB;
inputs->Obj.size = tmp->Size;
inputs->Obj.flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
if (inputs->Obj.stride != 4*sizeof(GLfloat))
inputs->Obj.flags |= VEC_BAD_STRIDE;
if (!is_writeable)
inputs->Obj.flags |= VEC_NOT_WRITEABLE;
}
static void _tnl_import_normal( GLcontext *ctx,
GLboolean writeable,
GLboolean stride )
{
struct gl_client_array *tmp;
GLboolean is_writeable = 0;
struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
tmp = _ac_import_normal(ctx, GL_FLOAT,
stride ? 3*sizeof(GLfloat) : 0, writeable,
&is_writeable);
inputs->Normal.data = tmp->Ptr;
inputs->Normal.start = (GLfloat *) tmp->Ptr;
inputs->Normal.stride = tmp->StrideB;
inputs->Normal.flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
if (inputs->Normal.stride != 3*sizeof(GLfloat))
inputs->Normal.flags |= VEC_BAD_STRIDE;
if (!is_writeable)
inputs->Normal.flags |= VEC_NOT_WRITEABLE;
}
static void _tnl_import_color( GLcontext *ctx,
GLenum type,
GLboolean writeable,
GLboolean stride )
{
struct gl_client_array *tmp;
GLboolean is_writeable = 0;
struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
tmp = _ac_import_color(ctx,
type,
stride ? 4*sizeof(GLfloat) : 0,
4,
writeable,
&is_writeable);
inputs->Color = *tmp;
}
static void _tnl_import_secondarycolor( GLcontext *ctx,
GLenum type,
GLboolean writeable,
GLboolean stride )
{
struct gl_client_array *tmp;
GLboolean is_writeable = 0;
struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
tmp = _ac_import_secondarycolor(ctx,
type,
stride ? 4*sizeof(GLfloat) : 0,
4,
writeable,
&is_writeable);
inputs->SecondaryColor = *tmp;
}
static void _tnl_import_fogcoord( GLcontext *ctx,
GLboolean writeable,
GLboolean stride )
{
struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
struct gl_client_array *tmp;
GLboolean is_writeable = 0;
tmp = _ac_import_fogcoord(ctx, GL_FLOAT,
stride ? sizeof(GLfloat) : 0, writeable,
&is_writeable);
inputs->FogCoord.data = (GLfloat (*)[4]) tmp->Ptr;
inputs->FogCoord.start = (GLfloat *) tmp->Ptr;
inputs->FogCoord.stride = tmp->StrideB;
inputs->FogCoord.flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
if (inputs->FogCoord.stride != sizeof(GLfloat))
inputs->FogCoord.flags |= VEC_BAD_STRIDE;
if (!is_writeable)
inputs->FogCoord.flags |= VEC_NOT_WRITEABLE;
}
static void _tnl_import_index( GLcontext *ctx,
GLboolean writeable,
GLboolean stride )
{
struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
struct gl_client_array *tmp;
GLboolean is_writeable = 0;
tmp = _ac_import_index(ctx, GL_UNSIGNED_INT,
stride ? sizeof(GLuint) : 0, writeable,
&is_writeable);
inputs->Index.data = (GLuint *) tmp->Ptr;
inputs->Index.start = (GLuint *) tmp->Ptr;
inputs->Index.stride = tmp->StrideB;
inputs->Index.flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
if (inputs->Index.stride != sizeof(GLuint))
inputs->Index.flags |= VEC_BAD_STRIDE;
if (!is_writeable)
inputs->Index.flags |= VEC_NOT_WRITEABLE;
}
static void _tnl_import_texcoord( GLcontext *ctx,
GLuint i,
GLboolean writeable,
GLboolean stride )
{
struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
struct gl_client_array *tmp;
GLboolean is_writeable = 0;
tmp = _ac_import_texcoord(ctx, i, GL_FLOAT,
stride ? 4*sizeof(GLfloat) : 0,
0,
writeable,
&is_writeable);
inputs->TexCoord[i].data = (GLfloat (*)[4]) tmp->Ptr;
inputs->TexCoord[i].start = (GLfloat *) tmp->Ptr;
inputs->TexCoord[i].stride = tmp->StrideB;
inputs->TexCoord[i].size = tmp->Size;
inputs->TexCoord[i].flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
if (inputs->TexCoord[i].stride != 4*sizeof(GLfloat))
inputs->TexCoord[i].flags |= VEC_BAD_STRIDE;
if (!is_writeable)
inputs->TexCoord[i].flags |= VEC_NOT_WRITEABLE;
}
static void _tnl_import_edgeflag( GLcontext *ctx,
GLboolean writeable,
GLboolean stride )
{
struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
struct gl_client_array *tmp;
GLboolean is_writeable = 0;
tmp = _ac_import_edgeflag(ctx, GL_UNSIGNED_BYTE,
stride ? sizeof(GLubyte) : 0,
0,
&is_writeable);
inputs->EdgeFlag.data = (GLubyte *) tmp->Ptr;
inputs->EdgeFlag.start = (GLubyte *) tmp->Ptr;
inputs->EdgeFlag.stride = tmp->StrideB;
inputs->EdgeFlag.flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
if (inputs->EdgeFlag.stride != sizeof(GLubyte))
inputs->EdgeFlag.flags |= VEC_BAD_STRIDE;
if (!is_writeable)
inputs->EdgeFlag.flags |= VEC_NOT_WRITEABLE;
}
/* Callback for VB stages that need to improve the quality of arrays
* bound to the VB. This is only necessary for client arrays which
* have not been transformed at any point in the pipeline.
*/
static void _tnl_upgrade_client_data( GLcontext *ctx,
GLuint required,
GLuint flags )
{
GLuint i;
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLboolean writeable = (flags & VEC_NOT_WRITEABLE) != 0;
GLboolean stride = (flags & VEC_BAD_STRIDE) != 0;
struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
GLuint ca_flags = 0;
(void) inputs;
if (writeable || stride) ca_flags |= CA_CLIENT_DATA;
if ((required & VERT_CLIP) && VB->ClipPtr == VB->ObjPtr)
required |= VERT_OBJ_BIT;
/* _tnl_print_vert_flags("_tnl_upgrade_client_data", required); */
if ((required & VERT_OBJ_BIT) && (VB->ObjPtr->flags & flags)) {
ASSERT(VB->ObjPtr == &inputs->Obj);
_tnl_import_vertex( ctx, writeable, stride );
VB->importable_data &= ~(VERT_OBJ_BIT|VERT_CLIP);
}
if ((required & VERT_NORMAL_BIT) && (VB->NormalPtr->flags & flags)) {
ASSERT(VB->NormalPtr == &inputs->Normal);
_tnl_import_normal( ctx, writeable, stride );
VB->importable_data &= ~VERT_NORMAL_BIT;
}
if ((required & VERT_COLOR0_BIT) && (VB->ColorPtr[0]->Flags & ca_flags)) {
ASSERT(VB->ColorPtr[0] == &inputs->Color);
_tnl_import_color( ctx, GL_FLOAT, writeable, stride );
VB->importable_data &= ~VERT_COLOR0_BIT;
}
if ((required & VERT_COLOR1_BIT) &&
(VB->SecondaryColorPtr[0]->Flags & ca_flags)) {
ASSERT(VB->SecondaryColorPtr[0] == &inputs->SecondaryColor);
_tnl_import_secondarycolor( ctx, GL_FLOAT, writeable, stride );
VB->importable_data &= ~VERT_COLOR1_BIT;
}
if ((required & VERT_FOG_BIT)
&& (VB->AttribPtr[VERT_ATTRIB_FOG]->flags & flags)) {
ASSERT(VB->AttribPtr[VERT_ATTRIB_FOG] == &inputs->FogCoord);
_tnl_import_fogcoord( ctx, writeable, stride );
VB->importable_data &= ~VERT_FOG_BIT;
}
if ((required & VERT_INDEX_BIT) && (VB->IndexPtr[0]->flags & flags)) {
ASSERT(VB->IndexPtr[0] == &inputs->Index);
_tnl_import_index( ctx, writeable, stride );
VB->importable_data &= ~VERT_INDEX_BIT;
}
if (required & VERT_TEX_ANY)
for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++)
if ((required & VERT_TEX(i)) && (VB->TexCoordPtr[i]->flags & flags)) {
ASSERT(VB->TexCoordPtr[i] == &inputs->TexCoord[i]);
_tnl_import_texcoord( ctx, i, writeable, stride );
VB->importable_data &= ~VERT_TEX(i);
}
}
void _tnl_vb_bind_arrays( GLcontext *ctx, GLint start, GLsizei count )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
GLuint inputs = tnl->pipeline.inputs;
struct vertex_arrays *tmp = &tnl->array_inputs;
GLuint i;
/* fprintf(stderr, "%s %d..%d // %d..%d\n", __FUNCTION__, */
/* start, count, ctx->Array.LockFirst, ctx->Array.LockCount); */
/* _tnl_print_vert_flags(" inputs", inputs); */
/* _tnl_print_vert_flags(" _Enabled", ctx->Array._Enabled); */
/* _tnl_print_vert_flags(" importable", inputs & VERT_FIXUP); */
VB->Count = count - start;
VB->FirstClipped = VB->Count;
VB->Elts = 0;
VB->MaterialMask = 0;
VB->Material = 0;
VB->Flag = 0;
VB->Primitive = tnl->tmp_primitive;
VB->PrimitiveLength = tnl->tmp_primitive_length;
VB->import_data = _tnl_upgrade_client_data;
VB->importable_data = inputs & VERT_FIXUP;
if (ctx->Array.LockCount) {
ASSERT(start == (GLint) ctx->Array.LockFirst);
ASSERT(count == (GLint) ctx->Array.LockCount);
}
_ac_import_range( ctx, start, count );
if (inputs & VERT_OBJ_BIT) {
_tnl_import_vertex( ctx, 0, 0 );
tmp->Obj.count = VB->Count;
VB->ObjPtr = &tmp->Obj;
}
if (inputs & VERT_NORMAL_BIT) {
_tnl_import_normal( ctx, 0, 0 );
tmp->Normal.count = VB->Count;
VB->NormalPtr = &tmp->Normal;
}
if (inputs & VERT_COLOR0_BIT) {
_tnl_import_color( ctx, 0, 0, 0 );
VB->ColorPtr[0] = &tmp->Color;
VB->ColorPtr[1] = 0;
}
if (inputs & VERT_TEX_ANY) {
for (i = 0; i < ctx->Const.MaxTextureUnits ; i++) {
if (inputs & VERT_TEX(i)) {
_tnl_import_texcoord( ctx, i, 0, 0 );
tmp->TexCoord[i].count = VB->Count;
VB->TexCoordPtr[i] = &tmp->TexCoord[i];
}
}
}
if (inputs & (VERT_INDEX_BIT|VERT_FOG_BIT|VERT_EDGEFLAG_BIT|VERT_COLOR1_BIT)) {
if (inputs & VERT_INDEX_BIT) {
_tnl_import_index( ctx, 0, 0 );
tmp->Index.count = VB->Count;
VB->IndexPtr[0] = &tmp->Index;
VB->IndexPtr[1] = 0;
}
if (inputs & VERT_FOG_BIT) {
_tnl_import_fogcoord( ctx, 0, 0 );
tmp->FogCoord.count = VB->Count;
VB->AttribPtr[VERT_ATTRIB_FOG] = &tmp->FogCoord;
}
if (inputs & VERT_EDGEFLAG_BIT) {
_tnl_import_edgeflag( ctx, GL_TRUE, sizeof(GLboolean) );
VB->EdgeFlag = (GLboolean *) tmp->EdgeFlag.data;
}
if (inputs & VERT_COLOR1_BIT) {
_tnl_import_secondarycolor( ctx, 0, 0, 0 );
VB->SecondaryColorPtr[0] = &tmp->SecondaryColor;
VB->SecondaryColorPtr[1] = 0;
}
}
}
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