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/*
* Mesa 3-D graphics library
* Version: 6.1
*
* Copyright (C) 1999-2004 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 <keith@tungstengraphics.com>
*/
#include "glheader.h"
#include "context.h"
#include "imports.h"
#include "mtypes.h"
#include "macros.h"
#include "light.h"
#include "state.h"
#include "t_pipeline.h"
#include "t_save_api.h"
#include "t_vtx_api.h"
static INLINE GLint get_size( const GLfloat *f )
{
if (f[3] != 1.0) return 4;
if (f[2] != 0.0) return 3;
return 2;
}
/* Some nasty stuff still hanging on here.
*
* TODO - remove VB->ColorPtr, etc and just use the AttrPtr's.
*/
static void _tnl_bind_vertex_list( GLcontext *ctx,
const struct tnl_vertex_list *node )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
struct tnl_vertex_arrays *tmp = &tnl->save_inputs;
GLfloat *data = node->buffer;
GLuint attr, i;
/* Setup constant data in the VB.
*/
VB->Count = node->count;
VB->Primitive = node->prim;
VB->PrimitiveCount = node->prim_count;
VB->Elts = NULL;
VB->NormalLengthPtr = node->normal_lengths;
for (attr = 0; attr <= _TNL_ATTRIB_EDGEFLAG; attr++) {
if (node->attrsz[attr]) {
tmp->Attribs[attr].count = node->count;
tmp->Attribs[attr].data = (GLfloat (*)[4]) data;
tmp->Attribs[attr].start = data;
tmp->Attribs[attr].size = node->attrsz[attr];
tmp->Attribs[attr].stride = node->vertex_size * sizeof(GLfloat);
VB->AttribPtr[attr] = &tmp->Attribs[attr];
data += node->attrsz[attr];
}
else {
tmp->Attribs[attr].count = 1;
tmp->Attribs[attr].data = (GLfloat (*)[4]) tnl->vtx.current[attr];
tmp->Attribs[attr].start = tnl->vtx.current[attr];
tmp->Attribs[attr].size = get_size( tnl->vtx.current[attr] );
tmp->Attribs[attr].stride = 0;
VB->AttribPtr[attr] = &tmp->Attribs[attr];
}
}
/* Copy edgeflag to a contiguous array
*/
if (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL) {
if (node->attrsz[_TNL_ATTRIB_EDGEFLAG]) {
VB->EdgeFlag = _tnl_translate_edgeflag( ctx, data,
node->count,
node->vertex_size );
data++;
}
else
VB->EdgeFlag = _tnl_import_current_edgeflag( ctx, node->count );
}
/* Legacy pointers -- remove one day.
*/
VB->ObjPtr = VB->AttribPtr[_TNL_ATTRIB_POS];
VB->NormalPtr = VB->AttribPtr[_TNL_ATTRIB_NORMAL];
VB->ColorPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR0];
VB->ColorPtr[1] = NULL;
VB->IndexPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR_INDEX];
VB->IndexPtr[1] = NULL;
VB->SecondaryColorPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR1];
VB->SecondaryColorPtr[1] = NULL;
VB->FogCoordPtr = VB->AttribPtr[_TNL_ATTRIB_FOG];
for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
VB->TexCoordPtr[i] = VB->AttribPtr[_TNL_ATTRIB_TEX0 + i];
}
}
static void _playback_copy_to_current( GLcontext *ctx,
const struct tnl_vertex_list *node )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
const GLfloat *data;
GLuint i;
if (node->count)
data = node->buffer + (node->count-1) * node->vertex_size;
else
data = node->buffer;
for (i = _TNL_ATTRIB_POS+1 ; i <= _TNL_ATTRIB_EDGEFLAG ; i++) {
if (node->attrsz[i]) {
COPY_CLEAN_4V(tnl->vtx.current[i], node->attrsz[i], data);
data += node->attrsz[i];
}
}
/* Edgeflag requires special treatment:
*/
if (node->attrsz[_TNL_ATTRIB_EDGEFLAG]) {
ctx->Current.EdgeFlag = (data[0] == 1.0);
}
/* Colormaterial -- this kindof sucks.
*/
if (ctx->Light.ColorMaterialEnabled) {
_mesa_update_color_material(ctx, ctx->Current.Attrib[VERT_ATTRIB_COLOR0]);
}
if (node->have_materials) {
tnl->Driver.NotifyMaterialChange( ctx );
ctx->NewState |= _NEW_LIGHT;
}
/* CurrentExecPrimitive
*/
if (node->prim_count) {
GLenum mode = node->prim[node->prim_count - 1].mode;
if (mode & PRIM_END)
ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
else
ctx->Driver.CurrentExecPrimitive = (mode & PRIM_MODE_MASK);
}
}
/**
* Execute the buffer and save copied verts.
*/
void _tnl_playback_vertex_list( GLcontext *ctx, void *data )
{
const struct tnl_vertex_list *node = (const struct tnl_vertex_list *) data;
TNLcontext *tnl = TNL_CONTEXT(ctx);
FLUSH_CURRENT(ctx, 0);
if (node->prim_count > 0 && node->count > 0) {
if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END &&
(node->prim[0].mode & PRIM_BEGIN)) {
/* Degenerate case: list is called inside begin/end pair and
* includes operations such as glBegin or glDrawArrays.
*/
_mesa_error( ctx, GL_INVALID_OPERATION, "displaylist recursive begin");
_tnl_loopback_vertex_list( ctx, node );
return;
}
else if (tnl->save.replay_flags) {
/* Various degnerate cases: translate into immediate mode
* calls rather than trying to execute in place.
*/
_tnl_loopback_vertex_list( ctx, node );
return;
}
if (ctx->NewState)
_mesa_update_state( ctx );
if ((ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) ||
(ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBegin (invalid vertex/fragment program)");
return;
}
_tnl_bind_vertex_list( ctx, node );
tnl->Driver.RunPipeline( ctx );
}
/* Copy to current?
*/
_playback_copy_to_current( ctx, node );
}
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