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/*
* Author: Max Lingua <sunmax@libero.it>
*/
#include "glheader.h"
#include "mtypes.h"
#include "macros.h"
#include "colormac.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/t_context.h"
#include "tnl/tnl.h"
#include "s3v_context.h"
#include "s3v_vb.h"
#include "s3v_tris.h"
#define S3V_XYZW_BIT 0x1
#define S3V_RGBA_BIT 0x2
#define S3V_TEX0_BIT 0x4
#define S3V_PTEX_BIT 0x8
#define S3V_FOG_BIT 0x10
#define S3V_MAX_SETUP 0x20
static struct {
void (*emit)( GLcontext *, GLuint, GLuint, void *, GLuint );
tnl_interp_func interp;
tnl_copy_pv_func copy_pv;
GLboolean (*check_tex_sizes)( GLcontext *ctx );
GLuint vertex_size;
GLuint vertex_stride_shift;
GLuint vertex_format;
} setup_tab[S3V_MAX_SETUP];
/* Only one vertex format, atm, so no need to give them names:
*/
#define TINY_VERTEX_FORMAT 1
#define NOTEX_VERTEX_FORMAT 0
#define TEX0_VERTEX_FORMAT 0
#define TEX1_VERTEX_FORMAT 0
#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 & S3V_XYZW_BIT)
#define DO_RGBA (IND & S3V_RGBA_BIT)
#define DO_SPEC 0
#define DO_FOG (IND & S3V_FOG_BIT)
#define DO_TEX0 (IND & S3V_TEX0_BIT)
#define DO_TEX1 0
#define DO_TEX2 0
#define DO_TEX3 0
#define DO_PTEX (IND & S3V_PTEX_BIT)
#define VERTEX s3vVertex
#define LOCALVARS /* s3vContextPtr vmesa = S3V_CONTEXT(ctx); */
#define GET_VIEWPORT_MAT() 0 /* vmesa->hw_viewport */
#define GET_TEXSOURCE(n) n
#define GET_VERTEX_FORMAT() 0
#define GET_VERTEX_SIZE() S3V_CONTEXT(ctx)->vertex_size * sizeof(GLuint)
#define GET_VERTEX_STORE() S3V_CONTEXT(ctx)->verts
#define GET_VERTEX_STRIDE_SHIFT() S3V_CONTEXT(ctx)->vertex_stride_shift
#define INVALIDATE_STORED_VERTICES()
#define GET_UBYTE_COLOR_STORE() &S3V_CONTEXT(ctx)->UbyteColor
#define GET_UBYTE_SPEC_COLOR_STORE() &S3V_CONTEXT(ctx)->UbyteSecondaryColor
#define HAVE_HW_VIEWPORT 1 /* FIXME */
#define HAVE_HW_DIVIDE 1
#define HAVE_RGBA_COLOR 0 /* we're BGRA */
#define HAVE_TINY_VERTICES 1
#define HAVE_NOTEX_VERTICES 0
#define HAVE_TEX0_VERTICES 0
#define HAVE_TEX1_VERTICES 0
#define HAVE_TEX2_VERTICES 0
#define HAVE_TEX3_VERTICES 0
#define HAVE_PTEX_VERTICES 1
/*
#define SUBPIXEL_X -.5
#define SUBPIXEL_Y -.5
#define UNVIEWPORT_VARS GLfloat h = S3V_CONTEXT(ctx)->driDrawable->h
#define UNVIEWPORT_X(x) x - SUBPIXEL_X
#define UNVIEWPORT_Y(y) - y + h + SUBPIXEL_Y
#define UNVIEWPORT_Z(z) z / vmesa->depth_scale
*/
#define PTEX_FALLBACK() /* never needed */
#define IMPORT_QUALIFIER
#define IMPORT_FLOAT_COLORS s3v_import_float_colors
#define IMPORT_FLOAT_SPEC_COLORS s3v_import_float_spec_colors
#define INTERP_VERTEX setup_tab[S3V_CONTEXT(ctx)->SetupIndex].interp
#define COPY_PV_VERTEX setup_tab[S3V_CONTEXT(ctx)->SetupIndex].copy_pv
/***********************************************************************
* Generate pv-copying and translation functions *
***********************************************************************/
#define TAG(x) s3v_##x
#include "tnl_dd/t_dd_vb.c"
/***********************************************************************
* Generate vertex emit and interp functions *
***********************************************************************/
#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT)
#define TAG(x) x##_wg
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_TEX0_BIT)
#define TAG(x) x##_wgt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_TEX0_BIT|S3V_PTEX_BIT)
#define TAG(x) x##_wgpt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_TEX0_BIT)
#define TAG(x) x##_t0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_RGBA_BIT)
#define TAG(x) x##_g
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_RGBA_BIT|S3V_TEX0_BIT)
#define TAG(x) x##_gt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_FOG_BIT)
#define TAG(x) x##_wgf
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_FOG_BIT|S3V_TEX0_BIT)
#define TAG(x) x##_wgft0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_FOG_BIT|S3V_TEX0_BIT|S3V_PTEX_BIT)
#define TAG(x) x##_wgfpt0
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_FOG_BIT)
#define TAG(x) x##_f
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_RGBA_BIT | S3V_FOG_BIT)
#define TAG(x) x##_gf
#include "tnl_dd/t_dd_vbtmp.h"
#define IND (S3V_RGBA_BIT | S3V_FOG_BIT | S3V_TEX0_BIT)
#define TAG(x) x##_gft0
#include "tnl_dd/t_dd_vbtmp.h"
static void init_setup_tab( void )
{
init_wg(); /* pos + col */
init_wgt0(); /* pos + col + tex0 */
init_wgpt0(); /* pos + col + p-tex0 (?) */
init_t0(); /* tex0 */
init_g(); /* col */
init_gt0(); /* col + tex */
init_wgf();
init_wgft0();
init_wgfpt0();
init_f();
init_gf();
init_gft0();
}
#if 0
void s3vPrintSetupFlags(char *msg, GLuint flags )
{
fprintf(stderr, "%s(%x): %s%s%s%s%s%s\n",
msg,
(int)flags,
(flags & S3V_XYZW_BIT) ? " xyzw," : "",
(flags & S3V_RGBA_BIT) ? " rgba," : "",
(flags & S3V_SPEC_BIT) ? " spec," : "",
(flags & S3V_FOG_BIT) ? " fog," : "",
(flags & S3V_TEX0_BIT) ? " tex-0," : "",
(flags & S3V_TEX1_BIT) ? " tex-1," : "");
}
#endif
void s3vCheckTexSizes( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
s3vContextPtr vmesa = S3V_CONTEXT( ctx );
if (!setup_tab[vmesa->SetupIndex].check_tex_sizes(ctx)) {
vmesa->SetupIndex |= (S3V_PTEX_BIT|S3V_RGBA_BIT);
if (1 || !(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
tnl->Driver.Render.Interp = setup_tab[vmesa->SetupIndex].interp;
tnl->Driver.Render.CopyPV = setup_tab[vmesa->SetupIndex].copy_pv;
}
}
}
void s3vBuildVertices( GLcontext *ctx,
GLuint start,
GLuint count,
GLuint newinputs )
{
s3vContextPtr vmesa = S3V_CONTEXT( ctx );
GLubyte *v = ((GLubyte *)vmesa->verts +
(start<<vmesa->vertex_stride_shift));
GLuint stride = 1<<vmesa->vertex_stride_shift;
DEBUG(("*** s3vBuildVertices ***\n"));
DEBUG(("vmesa->SetupNewInputs = 0x%x\n", vmesa->SetupNewInputs));
DEBUG(("vmesa->SetupIndex = 0x%x\n", vmesa->SetupIndex));
#if 1
setup_tab[vmesa->SetupIndex].emit( ctx, start, count, v, stride );
#else
newinputs |= vmesa->SetupNewInputs;
vmesa->SetupNewInputs = 0;
DEBUG(("newinputs is 0x%x\n", newinputs));
if (!newinputs) {
DEBUG(("!newinputs\n"));
return;
}
if (newinputs & VERT_CLIP) {
setup_tab[vmesa->SetupIndex].emit( ctx, start, count, v, stride );
DEBUG(("newinputs & VERT_CLIP\n"));
return;
} /* else { */
/* GLuint ind = 0; */
if (newinputs & VERT_RGBA) {
DEBUG(("newinputs & VERT_RGBA\n"));
ind |= S3V_RGBA_BIT;
}
if (newinputs & VERT_TEX0) {
DEBUG(("newinputs & VERT_TEX0\n"));
ind |= S3V_TEX0_BIT;
}
if (newinputs & VERT_FOG_COORD)
ind |= S3V_FOG_BIT;
if (vmesa->SetupIndex & S3V_PTEX_BIT)
ind = ~0;
ind &= vmesa->SetupIndex;
DEBUG(("vmesa->SetupIndex = 0x%x\n", vmesa->SetupIndex));
DEBUG(("ind = 0x%x\n", ind));
DEBUG(("ind & vmesa->SetupIndex = 0x%x\n", (ind & vmesa->SetupIndex)));
if (ind) {
setup_tab[ind].emit( ctx, start, count, v, stride );
}
#endif
}
void s3vChooseVertexState( GLcontext *ctx )
{
s3vContextPtr vmesa = S3V_CONTEXT( ctx );
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint ind = S3V_XYZW_BIT | S3V_RGBA_BIT;
/* FIXME: will segv in tnl_dd/t_dd_vbtmp.h (line 196) on some demos */
/*
if (ctx->Fog.Enabled)
ind |= S3V_FOG_BIT;
*/
if (ctx->Texture.Unit[0]._ReallyEnabled) {
_tnl_need_projected_coords( ctx, GL_FALSE );
ind |= S3V_TEX0_BIT;
} else {
_tnl_need_projected_coords( ctx, GL_TRUE );
}
vmesa->SetupIndex = ind;
if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
tnl->Driver.Render.Interp = s3v_interp_extras;
tnl->Driver.Render.CopyPV = s3v_copy_pv_extras;
} else {
tnl->Driver.Render.Interp = setup_tab[ind].interp;
tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv;
}
}
void s3vInitVB( GLcontext *ctx )
{
s3vContextPtr vmesa = S3V_CONTEXT(ctx);
GLuint size = TNL_CONTEXT(ctx)->vb.Size;
vmesa->verts = (char *)ALIGN_MALLOC(size * 4 * 16, 32);
{
static int firsttime = 1;
if (firsttime) {
init_setup_tab();
firsttime = 0;
vmesa->vertex_stride_shift = 6 /* 4 */; /* FIXME - only one vertex setup */
}
}
}
void s3vFreeVB( GLcontext *ctx )
{
s3vContextPtr vmesa = S3V_CONTEXT(ctx);
if (vmesa->verts) {
ALIGN_FREE(vmesa->verts);
vmesa->verts = 0;
}
if (vmesa->UbyteSecondaryColor.Ptr) {
ALIGN_FREE((void *)vmesa->UbyteSecondaryColor.Ptr);
vmesa->UbyteSecondaryColor.Ptr = 0;
}
if (vmesa->UbyteColor.Ptr) {
ALIGN_FREE((void *)vmesa->UbyteColor.Ptr);
vmesa->UbyteColor.Ptr = 0;
}
}
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