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/*
* GLX Hardware Device Driver for Intel i810
* Copyright (C) 1999 Keith Whitwell
*
* 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
* KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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.
*
* Adapted for use on the I830M:
* Jeff Hartmann <jhartmann@2d3d.com>
*/
/* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_vb.c,v 1.5 2002/12/10 01:26:54 dawes Exp $ */
#include "glheader.h"
#include "mtypes.h"
#include "imports.h"
#include "macros.h"
#include "colormac.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/t_context.h"
#include "i830_screen.h"
#include "i830_dri.h"
#include "i830_context.h"
#include "i830_vb.h"
#include "i830_ioctl.h"
#include "i830_tris.h"
#include "i830_state.h"
#define I830_TEX1_BIT 0x1
#define I830_TEX0_BIT 0x2
#define I830_RGBA_BIT 0x4
#define I830_SPEC_BIT 0x8
#define I830_FOG_BIT 0x10
#define I830_XYZW_BIT 0x20
#define I830_PTEX_BIT 0x40
#define I830_MAX_SETUP 0x80
static struct {
void (*emit)( GLcontext *, GLuint, GLuint, void *, GLuint );
interp_func interp;
copy_pv_func copy_pv;
GLboolean (*check_tex_sizes)( GLcontext *ctx );
GLuint vertex_size;
GLuint vertex_stride_shift;
GLuint vertex_format;
} setup_tab[I830_MAX_SETUP];
#define TINY_VERTEX_FORMAT (STATE3D_VERTEX_FORMAT_CMD | \
VRTX_TEX_COORD_COUNT(0) | \
VRTX_HAS_DIFFUSE | \
VRTX_HAS_XYZ)
#define NOTEX_VERTEX_FORMAT (STATE3D_VERTEX_FORMAT_CMD | \
VRTX_TEX_COORD_COUNT(0) | \
VRTX_HAS_DIFFUSE | \
VRTX_HAS_SPEC | \
VRTX_HAS_XYZW)
#define TEX0_VERTEX_FORMAT (STATE3D_VERTEX_FORMAT_CMD | \
VRTX_TEX_COORD_COUNT(1) | \
VRTX_HAS_DIFFUSE | \
VRTX_HAS_SPEC | \
VRTX_HAS_XYZW)
#define TEX1_VERTEX_FORMAT (STATE3D_VERTEX_FORMAT_CMD | \
VRTX_TEX_COORD_COUNT(2) | \
VRTX_HAS_DIFFUSE | \
VRTX_HAS_SPEC | \
VRTX_HAS_XYZW)
/* I'm cheating here hardcore : if bit 31 is set I know to emit
* a vf2 state == TEXCOORDFMT_3D. We never mix 2d/3d texcoords,
* so this solution works for now.
*/
#define PROJ_TEX1_VERTEX_FORMAT ((1<<31) | \
STATE3D_VERTEX_FORMAT_CMD | \
VRTX_TEX_COORD_COUNT(2) | \
VRTX_HAS_DIFFUSE | \
VRTX_HAS_SPEC | \
VRTX_HAS_XYZW)
/* Might want to do these later */
#define TEX2_VERTEX_FORMAT 0
#define TEX3_VERTEX_FORMAT 0
#define PROJ_TEX3_VERTEX_FORMAT 0
#define DO_XYZW (IND & I830_XYZW_BIT)
#define DO_RGBA (IND & I830_RGBA_BIT)
#define DO_SPEC (IND & I830_SPEC_BIT)
#define DO_FOG (IND & I830_FOG_BIT)
#define DO_TEX0 (IND & I830_TEX0_BIT)
#define DO_TEX1 (IND & I830_TEX1_BIT)
#define DO_TEX2 0
#define DO_TEX3 0
#define DO_PTEX (IND & I830_PTEX_BIT)
#define VERTEX i830Vertex
#define VERTEX_COLOR i830_color_t
#define GET_VIEWPORT_MAT() I830_CONTEXT(ctx)->ViewportMatrix.m
#define GET_TEXSOURCE(n) n
#define GET_VERTEX_FORMAT() I830_CONTEXT(ctx)->vertex_format
#define GET_VERTEX_STORE() ((GLubyte *)I830_CONTEXT(ctx)->verts)
#define GET_VERTEX_STRIDE_SHIFT() I830_CONTEXT(ctx)->vertex_stride_shift
#define GET_UBYTE_COLOR_STORE() &I830_CONTEXT(ctx)->UbyteColor
#define GET_UBYTE_SPEC_COLOR_STORE() &I830_CONTEXT(ctx)->UbyteSecondaryColor
#define INVALIDATE_STORED_VERTICES()
#define HAVE_HW_VIEWPORT 0
#define HAVE_HW_DIVIDE 0
#define HAVE_RGBA_COLOR 0
#define HAVE_TINY_VERTICES 1
#define HAVE_NOTEX_VERTICES 1
#define HAVE_TEX0_VERTICES 1
#define HAVE_TEX1_VERTICES 1
#define HAVE_TEX2_VERTICES 0
#define HAVE_TEX3_VERTICES 0
#define HAVE_PTEX_VERTICES 1
#define UNVIEWPORT_VARS GLfloat h = I830_CONTEXT(ctx)->driDrawable->h
#define UNVIEWPORT_X(x) x - SUBPIXEL_X
#define UNVIEWPORT_Y(y) - y + h + SUBPIXEL_Y
#define UNVIEWPORT_Z(z) z * (float)I830_CONTEXT(ctx)->ClearDepth
#define PTEX_FALLBACK() FALLBACK(I830_CONTEXT(ctx), I830_FALLBACK_TEXTURE, 1)
#define IMPORT_FLOAT_COLORS i830_import_float_colors
#define IMPORT_FLOAT_SPEC_COLORS i830_import_float_spec_colors
#define INTERP_VERTEX setup_tab[I830_CONTEXT(ctx)->SetupIndex].interp
#define COPY_PV_VERTEX setup_tab[I830_CONTEXT(ctx)->SetupIndex].copy_pv
/***********************************************************************
* Generate pv-copying and translation functions *
***********************************************************************/
#define TAG(x) i830_##x
#include "tnl_dd/t_dd_vb.c"
/***********************************************************************
* Generate vertex emit and interp functions *
***********************************************************************/
#define IND (I830_XYZW_BIT|I830_RGBA_BIT)
#define TAG(x) x##_wg
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_SPEC_BIT)
#define TAG(x) x##_wgs
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_TEX0_BIT)
#define TAG(x) x##_wgt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_TEX0_BIT|I830_TEX1_BIT)
#define TAG(x) x##_wgt0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_TEX0_BIT|I830_PTEX_BIT)
#define TAG(x) x##_wgpt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT)
#define TAG(x) x##_wgst0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT|\
I830_TEX1_BIT)
#define TAG(x) x##_wgst0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT|\
I830_PTEX_BIT)
#define TAG(x) x##_wgspt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT)
#define TAG(x) x##_wgf
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT)
#define TAG(x) x##_wgfs
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT)
#define TAG(x) x##_wgft0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT|\
I830_TEX1_BIT)
#define TAG(x) x##_wgft0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT|\
I830_PTEX_BIT)
#define TAG(x) x##_wgfpt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|\
I830_TEX0_BIT)
#define TAG(x) x##_wgfst0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|\
I830_TEX0_BIT|I830_TEX1_BIT)
#define TAG(x) x##_wgfst0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|\
I830_TEX0_BIT|I830_PTEX_BIT)
#define TAG(x) x##_wgfspt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_TEX0_BIT)
#define TAG(x) x##_t0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_TEX0_BIT|I830_TEX1_BIT)
#define TAG(x) x##_t0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_FOG_BIT)
#define TAG(x) x##_f
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_FOG_BIT|I830_TEX0_BIT)
#define TAG(x) x##_ft0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_FOG_BIT|I830_TEX0_BIT|I830_TEX1_BIT)
#define TAG(x) x##_ft0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT)
#define TAG(x) x##_g
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_SPEC_BIT)
#define TAG(x) x##_gs
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_TEX0_BIT)
#define TAG(x) x##_gt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_TEX0_BIT|I830_TEX1_BIT)
#define TAG(x) x##_gt0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT)
#define TAG(x) x##_gst0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT|I830_TEX1_BIT)
#define TAG(x) x##_gst0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_FOG_BIT)
#define TAG(x) x##_gf
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT)
#define TAG(x) x##_gfs
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT)
#define TAG(x) x##_gft0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT|I830_TEX1_BIT)
#define TAG(x) x##_gft0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|I830_TEX0_BIT)
#define TAG(x) x##_gfst0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|I830_TEX0_BIT|\
I830_TEX1_BIT)
#define TAG(x) x##_gfst0t1
#include "tnl_dd/t_dd_vbtmp.h"
/* Add functions for proj texturing for t0 and t1 */
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_TEX0_BIT|I830_TEX1_BIT|\
I830_PTEX_BIT)
#define TAG(x) x##_wgpt0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT|\
I830_TEX1_BIT|I830_PTEX_BIT)
#define TAG(x) x##_wgspt0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT|\
I830_TEX1_BIT|I830_PTEX_BIT)
#define TAG(x) x##_wgfpt0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|\
I830_TEX1_BIT|I830_TEX0_BIT|I830_PTEX_BIT)
#define TAG(x) x##_wgfspt0t1
#include "tnl_dd/t_dd_vbtmp.h"
static void init_setup_tab( void )
{
init_wg();
init_wgs();
init_wgt0();
init_wgt0t1();
init_wgpt0();
init_wgst0();
init_wgst0t1();
init_wgspt0();
init_wgf();
init_wgfs();
init_wgft0();
init_wgft0t1();
init_wgfpt0();
init_wgfst0();
init_wgfst0t1();
init_wgfspt0();
init_t0();
init_t0t1();
init_f();
init_ft0();
init_ft0t1();
init_g();
init_gs();
init_gt0();
init_gt0t1();
init_gst0();
init_gst0t1();
init_gf();
init_gfs();
init_gft0();
init_gft0t1();
init_gfst0();
init_gfst0t1();
/* Add proj texturing on t1 */
init_wgpt0t1();
init_wgspt0t1();
init_wgfpt0t1();
init_wgfspt0t1();
}
void i830PrintSetupFlags(char *msg, GLuint flags )
{
fprintf(stderr, "%s(%x): %s%s%s%s%s%s%s\n",
msg,
(int)flags,
(flags & I830_XYZW_BIT) ? " xyzw," : "",
(flags & I830_RGBA_BIT) ? " rgba," : "",
(flags & I830_SPEC_BIT) ? " spec," : "",
(flags & I830_FOG_BIT) ? " fog," : "",
(flags & I830_TEX0_BIT) ? " tex-0," : "",
(flags & I830_TEX1_BIT) ? " tex-1," : "",
(flags & I830_PTEX_BIT) ? " ptex," : "");
}
void i830CheckTexSizes( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
i830ContextPtr imesa = I830_CONTEXT( ctx );
if (!setup_tab[imesa->SetupIndex].check_tex_sizes(ctx)) {
int ind = imesa->SetupIndex |= I830_PTEX_BIT;
if(setup_tab[ind].vertex_format != imesa->vertex_format) {
int vfmt = setup_tab[ind].vertex_format;
I830_STATECHANGE(imesa, I830_UPLOAD_CTX);
imesa->Setup[I830_CTXREG_VF] = ~(1<<31) & vfmt;
if (vfmt & (1<<31)) {
/* Proj texturing */
imesa->Setup[I830_CTXREG_VF2] = (STATE3D_VERTEX_FORMAT_2_CMD |
VRTX_TEX_SET_0_FMT(TEXCOORDFMT_3D) |
VRTX_TEX_SET_1_FMT(TEXCOORDFMT_3D) |
VRTX_TEX_SET_2_FMT(TEXCOORDFMT_3D) |
VRTX_TEX_SET_3_FMT(TEXCOORDFMT_3D));
i830UpdateTexUnitProj( ctx, 0, GL_TRUE );
i830UpdateTexUnitProj( ctx, 1, GL_TRUE );
} else {
/* Normal texturing */
imesa->Setup[I830_CTXREG_VF2] = (STATE3D_VERTEX_FORMAT_2_CMD |
VRTX_TEX_SET_0_FMT(TEXCOORDFMT_2D) |
VRTX_TEX_SET_1_FMT(TEXCOORDFMT_2D) |
VRTX_TEX_SET_2_FMT(TEXCOORDFMT_2D) |
VRTX_TEX_SET_3_FMT(TEXCOORDFMT_2D));
i830UpdateTexUnitProj( ctx, 0, GL_FALSE );
i830UpdateTexUnitProj( ctx, 1, GL_FALSE );
}
imesa->vertex_format = vfmt;
imesa->vertex_size = setup_tab[ind].vertex_size;
imesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift;
}
if (!imesa->Fallback &&
!(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
tnl->Driver.Render.Interp = setup_tab[imesa->SetupIndex].interp;
tnl->Driver.Render.CopyPV = setup_tab[imesa->SetupIndex].copy_pv;
}
}
}
void i830BuildVertices( GLcontext *ctx,
GLuint start,
GLuint count,
GLuint newinputs )
{
i830ContextPtr imesa = I830_CONTEXT( ctx );
GLubyte *v = ((GLubyte *)
imesa->verts + (start<<imesa->vertex_stride_shift));
GLuint stride = 1<<imesa->vertex_stride_shift;
if (0) fprintf(stderr, "%s\n", __FUNCTION__);
newinputs |= imesa->SetupNewInputs;
imesa->SetupNewInputs = 0;
if (!newinputs)
return;
if (newinputs & VERT_BIT_POS) {
setup_tab[imesa->SetupIndex].emit( ctx, start, count, v, stride );
} else {
GLuint ind = 0;
if (newinputs & VERT_BIT_COLOR0)
ind |= I830_RGBA_BIT;
if (newinputs & VERT_BIT_COLOR1)
ind |= I830_SPEC_BIT;
if (newinputs & VERT_BIT_TEX0)
ind |= I830_TEX0_BIT;
if (newinputs & VERT_BIT_TEX1)
ind |= I830_TEX1_BIT;
if (newinputs & VERT_BIT_FOG)
ind |= I830_FOG_BIT;
#if 0
if (imesa->SetupIndex & I830_PTEX_BIT)
ind = ~0;
#endif
ind &= imesa->SetupIndex;
if (ind) {
setup_tab[ind].emit( ctx, start, count, v, stride );
}
}
}
void i830ChooseVertexState( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
i830ContextPtr imesa = I830_CONTEXT( ctx );
GLuint ind = I830_XYZW_BIT|I830_RGBA_BIT;
if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
ind |= I830_SPEC_BIT;
if (ctx->Fog.Enabled)
ind |= I830_FOG_BIT;
if (ctx->Texture._EnabledUnits & 0x2)
/* unit 1 enabled */
ind |= I830_TEX1_BIT|I830_TEX0_BIT;
else if (ctx->Texture._EnabledUnits & 0x1)
/* unit 0 enabled */
ind |= I830_TEX0_BIT;
imesa->SetupIndex = ind;
if (I830_DEBUG & (DEBUG_VERTS|DEBUG_STATE))
i830PrintSetupFlags( __FUNCTION__, ind );
if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
tnl->Driver.Render.Interp = i830_interp_extras;
tnl->Driver.Render.CopyPV = i830_copy_pv_extras;
} else {
tnl->Driver.Render.Interp = setup_tab[ind].interp;
tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv;
}
if (setup_tab[ind].vertex_format != imesa->vertex_format) {
int vfmt = setup_tab[ind].vertex_format;
I830_STATECHANGE(imesa, I830_UPLOAD_CTX);
imesa->Setup[I830_CTXREG_VF] = ~(1<<31) & vfmt;
if (vfmt & (1<<31)) {
/* Proj texturing */
imesa->Setup[I830_CTXREG_VF2] = (STATE3D_VERTEX_FORMAT_2_CMD |
VRTX_TEX_SET_0_FMT(TEXCOORDFMT_3D) |
VRTX_TEX_SET_1_FMT(TEXCOORDFMT_3D) |
VRTX_TEX_SET_2_FMT(TEXCOORDFMT_3D) |
VRTX_TEX_SET_3_FMT(TEXCOORDFMT_3D));
i830UpdateTexUnitProj( ctx, 0, GL_TRUE );
i830UpdateTexUnitProj( ctx, 1, GL_TRUE );
} else {
/* Normal texturing */
imesa->Setup[I830_CTXREG_VF2] = (STATE3D_VERTEX_FORMAT_2_CMD |
VRTX_TEX_SET_0_FMT(TEXCOORDFMT_2D) |
VRTX_TEX_SET_1_FMT(TEXCOORDFMT_2D) |
VRTX_TEX_SET_2_FMT(TEXCOORDFMT_2D) |
VRTX_TEX_SET_3_FMT(TEXCOORDFMT_2D));
i830UpdateTexUnitProj( ctx, 0, GL_FALSE );
i830UpdateTexUnitProj( ctx, 1, GL_FALSE );
}
imesa->vertex_format = vfmt;
imesa->vertex_size = setup_tab[ind].vertex_size;
imesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift;
}
}
void i830_emit_contiguous_verts( GLcontext *ctx,
GLuint start,
GLuint count )
{
i830ContextPtr imesa = I830_CONTEXT(ctx);
GLuint vertex_size = imesa->vertex_size * 4;
GLuint *dest = i830AllocDmaLow( imesa, (count-start) * vertex_size);
setup_tab[imesa->SetupIndex].emit( ctx, start, count, dest, vertex_size );
}
void i830InitVB( GLcontext *ctx )
{
i830ContextPtr imesa = I830_CONTEXT(ctx);
GLuint size = TNL_CONTEXT(ctx)->vb.Size;
imesa->verts = (char *)ALIGN_MALLOC(size * 4 * 16, 32);
{
static int firsttime = 1;
if (firsttime) {
init_setup_tab();
firsttime = 0;
}
}
}
void i830FreeVB( GLcontext *ctx )
{
i830ContextPtr imesa = I830_CONTEXT(ctx);
if (imesa->verts) {
ALIGN_FREE(imesa->verts);
imesa->verts = 0;
}
if (imesa->UbyteSecondaryColor.Ptr) {
ALIGN_FREE(imesa->UbyteSecondaryColor.Ptr);
imesa->UbyteSecondaryColor.Ptr = 0;
}
if (imesa->UbyteColor.Ptr) {
ALIGN_FREE(imesa->UbyteColor.Ptr);
imesa->UbyteColor.Ptr = 0;
}
}
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