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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.
*
*
*/
/* $XFree86: xc/lib/GL/mesa/src/drv/i810/i810vb.c,v 1.13 2003/03/26 20:43:48 tsi 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 "i810screen.h"
#include "i810_dri.h"
#include "i810context.h"
#include "i810vb.h"
#include "i810ioctl.h"
#include "i810tris.h"
#include "i810state.h"
#define I810_TEX1_BIT 0x1
#define I810_TEX0_BIT 0x2
#define I810_RGBA_BIT 0x4
#define I810_SPEC_BIT 0x8
#define I810_FOG_BIT 0x10
#define I810_XYZW_BIT 0x20
#define I810_PTEX_BIT 0x40
#define I810_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_format;
} setup_tab[I810_MAX_SETUP];
#define TINY_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
VF_TEXCOORD_COUNT_0 | \
VF_RGBA_ENABLE | \
VF_XYZ)
#define NOTEX_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
VF_TEXCOORD_COUNT_0 | \
VF_SPEC_FOG_ENABLE | \
VF_RGBA_ENABLE | \
VF_XYZW)
#define TEX0_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
VF_TEXCOORD_COUNT_1 | \
VF_SPEC_FOG_ENABLE | \
VF_RGBA_ENABLE | \
VF_XYZW)
#define TEX1_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
VF_TEXCOORD_COUNT_2 | \
VF_SPEC_FOG_ENABLE | \
VF_RGBA_ENABLE | \
VF_XYZW)
#define PROJ_TEX1_VERTEX_FORMAT 0
#define TEX2_VERTEX_FORMAT 0
#define TEX3_VERTEX_FORMAT 0
#define PROJ_TEX3_VERTEX_FORMAT 0
#define DO_XYZW (IND & I810_XYZW_BIT)
#define DO_RGBA (IND & I810_RGBA_BIT)
#define DO_SPEC (IND & I810_SPEC_BIT)
#define DO_FOG (IND & I810_FOG_BIT)
#define DO_TEX0 (IND & I810_TEX0_BIT)
#define DO_TEX1 (IND & I810_TEX1_BIT)
#define DO_TEX2 0
#define DO_TEX3 0
#define DO_PTEX (IND & I810_PTEX_BIT)
#define VERTEX i810Vertex
#define VERTEX_COLOR i810_color_t
#define GET_VIEWPORT_MAT() I810_CONTEXT(ctx)->ViewportMatrix.m
#define GET_TEXSOURCE(n) n
#define GET_VERTEX_FORMAT() I810_CONTEXT(ctx)->Setup[I810_CTXREG_VF]
#define GET_VERTEX_STORE() I810_CONTEXT(ctx)->verts
#define GET_VERTEX_SIZE() I810_CONTEXT(ctx)->vertex_size * sizeof(GLuint)
#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 0
#define UNVIEWPORT_VARS GLfloat h = I810_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)0xffff
#define PTEX_FALLBACK() FALLBACK(I810_CONTEXT(ctx), I810_FALLBACK_TEXTURE, 1)
#define INTERP_VERTEX setup_tab[I810_CONTEXT(ctx)->SetupIndex].interp
#define COPY_PV_VERTEX setup_tab[I810_CONTEXT(ctx)->SetupIndex].copy_pv
/***********************************************************************
* Generate pv-copying and translation functions *
***********************************************************************/
#define TAG(x) i810_##x
#include "tnl_dd/t_dd_vb.c"
/***********************************************************************
* Generate vertex emit and interp functions *
***********************************************************************/
#define IND (I810_XYZW_BIT|I810_RGBA_BIT)
#define TAG(x) x##_wg
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT)
#define TAG(x) x##_wgs
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_TEX0_BIT)
#define TAG(x) x##_wgt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
#define TAG(x) x##_wgt0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_TEX0_BIT|I810_PTEX_BIT)
#define TAG(x) x##_wgpt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT)
#define TAG(x) x##_wgst0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT|\
I810_TEX1_BIT)
#define TAG(x) x##_wgst0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT|\
I810_PTEX_BIT)
#define TAG(x) x##_wgspt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT)
#define TAG(x) x##_wgf
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT)
#define TAG(x) x##_wgfs
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT)
#define TAG(x) x##_wgft0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT|\
I810_TEX1_BIT)
#define TAG(x) x##_wgft0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT|\
I810_PTEX_BIT)
#define TAG(x) x##_wgfpt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|\
I810_TEX0_BIT)
#define TAG(x) x##_wgfst0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|\
I810_TEX0_BIT|I810_TEX1_BIT)
#define TAG(x) x##_wgfst0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|\
I810_TEX0_BIT|I810_PTEX_BIT)
#define TAG(x) x##_wgfspt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_TEX0_BIT)
#define TAG(x) x##_t0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_TEX0_BIT|I810_TEX1_BIT)
#define TAG(x) x##_t0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_FOG_BIT)
#define TAG(x) x##_f
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_FOG_BIT|I810_TEX0_BIT)
#define TAG(x) x##_ft0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_FOG_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
#define TAG(x) x##_ft0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT)
#define TAG(x) x##_g
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_SPEC_BIT)
#define TAG(x) x##_gs
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_TEX0_BIT)
#define TAG(x) x##_gt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
#define TAG(x) x##_gt0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT)
#define TAG(x) x##_gst0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
#define TAG(x) x##_gst0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_FOG_BIT)
#define TAG(x) x##_gf
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT)
#define TAG(x) x##_gfs
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT)
#define TAG(x) x##_gft0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
#define TAG(x) x##_gft0t1
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|I810_TEX0_BIT)
#define TAG(x) x##_gfst0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|I810_TEX0_BIT|\
I810_TEX1_BIT)
#define TAG(x) x##_gfst0t1
#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();
}
void i810PrintSetupFlags(char *msg, GLuint flags )
{
fprintf(stderr, "%s(%x): %s%s%s%s%s%s\n",
msg,
(int)flags,
(flags & I810_XYZW_BIT) ? " xyzw," : "",
(flags & I810_RGBA_BIT) ? " rgba," : "",
(flags & I810_SPEC_BIT) ? " spec," : "",
(flags & I810_FOG_BIT) ? " fog," : "",
(flags & I810_TEX0_BIT) ? " tex-0," : "",
(flags & I810_TEX1_BIT) ? " tex-1," : "");
}
void i810CheckTexSizes( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
i810ContextPtr imesa = I810_CONTEXT( ctx );
if (!setup_tab[imesa->SetupIndex].check_tex_sizes(ctx)) {
/* Invalidate stored verts
*/
imesa->SetupNewInputs = ~0;
imesa->SetupIndex |= I810_PTEX_BIT;
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;
}
if (imesa->Fallback) {
tnl->Driver.Render.Start(ctx);
}
}
}
void i810BuildVertices( GLcontext *ctx,
GLuint start,
GLuint count,
GLuint newinputs )
{
i810ContextPtr imesa = I810_CONTEXT( ctx );
GLuint stride = imesa->vertex_size * sizeof(int);
GLubyte *v = ((GLubyte *)imesa->verts + (start * stride));
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 |= I810_RGBA_BIT;
if (newinputs & VERT_BIT_COLOR1)
ind |= I810_SPEC_BIT;
if (newinputs & VERT_BIT_TEX0)
ind |= I810_TEX0_BIT;
if (newinputs & VERT_BIT_TEX1)
ind |= I810_TEX1_BIT;
if (newinputs & VERT_BIT_FOG)
ind |= I810_FOG_BIT;
if (imesa->SetupIndex & I810_PTEX_BIT)
ind = ~0;
ind &= imesa->SetupIndex;
if (ind) {
setup_tab[ind].emit( ctx, start, count, v, stride );
}
}
}
void i810ChooseVertexState( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
i810ContextPtr imesa = I810_CONTEXT( ctx );
GLuint ind = I810_XYZW_BIT|I810_RGBA_BIT;
if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
ind |= I810_SPEC_BIT;
if (ctx->Fog.Enabled)
ind |= I810_FOG_BIT;
if (ctx->Texture._EnabledUnits & 0x2)
/* unit 1 enabled */
ind |= I810_TEX1_BIT|I810_TEX0_BIT;
else if (ctx->Texture._EnabledUnits & 0x1)
/* unit 0 enabled */
ind |= I810_TEX0_BIT;
imesa->SetupIndex = ind;
if (I810_DEBUG & (DEBUG_VERTS|DEBUG_STATE))
i810PrintSetupFlags( __FUNCTION__, ind );
if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
tnl->Driver.Render.Interp = i810_interp_extras;
tnl->Driver.Render.CopyPV = i810_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->Setup[I810_CTXREG_VF]) {
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_VF] = setup_tab[ind].vertex_format;
imesa->vertex_size = setup_tab[ind].vertex_size;
}
}
void *i810_emit_contiguous_verts( GLcontext *ctx,
GLuint start,
GLuint count,
void *dest )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
GLuint stride = imesa->vertex_size * 4;
setup_tab[imesa->SetupIndex].emit( ctx, start, count, dest, stride );
return (void *)((char *)dest + stride * (count - start));
}
void i810InitVB( GLcontext *ctx )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
GLuint size = TNL_CONTEXT(ctx)->vb.Size;
imesa->verts = (GLubyte *)ALIGN_MALLOC(size * 4 * 16, 32);
{
static int firsttime = 1;
if (firsttime) {
init_setup_tab();
firsttime = 0;
}
}
}
void i810FreeVB( GLcontext *ctx )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
if (imesa->verts) {
ALIGN_FREE(imesa->verts);
imesa->verts = 0;
}
}
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