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/*
* Mesa 3-D graphics library
* Version: 6.3
*
* Copyright (C) 1999-2005 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 <keith@tungstengraphics.com>
*/
#include "api_arrayelt.h"
#include "glheader.h"
#include "imports.h"
#include "context.h"
#include "macros.h"
#include "mtypes.h"
#include "dlist.h"
#include "vtxfmt.h"
#include "vbo_context.h"
#define NR_LEGACY_ATTRIBS 16
#define NR_GENERIC_ATTRIBS 16
#define NR_MAT_ATTRIBS 12
static void init_legacy_currval(GLcontext *ctx)
{
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
struct gl_client_array *arrays = exec->legacy_currval;
GLuint i;
memset(arrays, 0, sizeof(*arrays) * NR_LEGACY_ATTRIBS);
/* Set up a constant (StrideB == 0) array for each current
* attribute:
*/
for (i = 0; i < NR_LEGACY_ATTRIBS; i++) {
struct gl_client_array *cl = &arrays[i];
switch (i) {
case VBO_ATTRIB_EDGEFLAG:
cl->Type = GL_UNSIGNED_BYTE;
cl->Ptr = (const void *)&ctx->Current.EdgeFlag;
break;
case VBO_ATTRIB_INDEX:
cl->Type = GL_FLOAT;
cl->Ptr = (const void *)&ctx->Current.Index;
break;
default:
cl->Type = GL_FLOAT;
cl->Ptr = (const void *)ctx->Current.Attrib[i];
break;
}
/* This will have to be determined at runtime:
*/
cl->Size = 1;
cl->Stride = 0;
cl->StrideB = 0;
cl->Enabled = 1;
cl->BufferObj = ctx->Array.NullBufferObj;
}
}
static void init_generic_currval(GLcontext *ctx)
{
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
struct gl_client_array *arrays = exec->generic_currval;
GLuint i;
memset(arrays, 0, sizeof(*arrays) * NR_GENERIC_ATTRIBS);
for (i = 0; i < NR_GENERIC_ATTRIBS; i++) {
struct gl_client_array *cl = &arrays[i];
/* This will have to be determined at runtime:
*/
cl->Size = 1;
cl->Type = GL_FLOAT;
cl->Ptr = (const void *)ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i];
cl->Stride = 0;
cl->StrideB = 0;
cl->Enabled = 1;
cl->BufferObj = ctx->Array.NullBufferObj;
}
}
static void init_mat_currval(GLcontext *ctx)
{
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
struct gl_client_array *arrays = exec->mat_currval;
GLuint i;
memset(arrays, 0, sizeof(*arrays) * NR_GENERIC_ATTRIBS);
/* Set up a constant (StrideB == 0) array for each current
* attribute:
*/
for (i = 0; i < NR_GENERIC_ATTRIBS; i++) {
struct gl_client_array *cl = &arrays[i];
/* Size is fixed for the material attributes, for others will
* be determined at runtime:
*/
switch (i - VERT_ATTRIB_GENERIC0) {
case MAT_ATTRIB_FRONT_SHININESS:
case MAT_ATTRIB_BACK_SHININESS:
cl->Size = 1;
break;
case MAT_ATTRIB_FRONT_INDEXES:
case MAT_ATTRIB_BACK_INDEXES:
cl->Size = 3;
break;
default:
cl->Size = 4;
break;
}
if (i < MAT_ATTRIB_MAX)
cl->Ptr = (const void *)ctx->Light.Material.Attrib[i];
else
cl->Ptr = (const void *)ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i];
cl->Type = GL_FLOAT;
cl->Stride = 0;
cl->StrideB = 0;
cl->Enabled = 1;
cl->BufferObj = ctx->Array.NullBufferObj;
}
}
void vbo_exec_init( GLcontext *ctx )
{
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
exec->ctx = ctx;
/* Initialize the arrayelt helper
*/
if (!ctx->aelt_context &&
!_ae_create_context( ctx ))
return;
vbo_exec_vtx_init( exec );
vbo_exec_array_init( exec );
init_legacy_currval( ctx );
init_generic_currval( ctx );
init_mat_currval( ctx );
ctx->Driver.NeedFlush = 0;
ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
ctx->Driver.FlushVertices = vbo_exec_FlushVertices;
exec->eval.recalculate_maps = 1;
}
void vbo_exec_destroy( GLcontext *ctx )
{
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
if (ctx->aelt_context) {
_ae_destroy_context( ctx );
ctx->aelt_context = NULL;
}
vbo_exec_vtx_destroy( exec );
vbo_exec_array_destroy( exec );
}
/* Really want to install these callbacks to a central facility to be
* invoked according to the state flags. That will have to wait for a
* mesa rework:
*/
void vbo_exec_invalidate_state( GLcontext *ctx, GLuint new_state )
{
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
if (new_state & (_NEW_PROGRAM|_NEW_EVAL))
exec->eval.recalculate_maps = 1;
_ae_invalidate_state(ctx, new_state);
}
void vbo_exec_wakeup( GLcontext *ctx )
{
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
ctx->Driver.FlushVertices = vbo_exec_FlushVertices;
ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT;
/* Hook our functions into exec and compile dispatch tables.
*/
_mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
/* Assume we haven't been getting state updates either:
*/
vbo_exec_invalidate_state( ctx, ~0 );
}
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