#include "glheader.h"
#include "mtypes.h"
#include "imports.h"
#include "macros.h"
#include "colormac.h"
#include "math/m_translate.h"
#include "swrast_setup/swrast_setup.h"
#include "tdfx_context.h"
#include "tdfx_vb.h"
#include "tdfx_tris.h"
#include "tdfx_state.h"
#include "tdfx_render.h"
static void copy_pv_rgba4( GLcontext *ctx, GLuint edst, GLuint esrc )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
GLubyte *tdfxverts = (GLubyte *)fxMesa->verts;
GLuint shift = fxMesa->vertex_stride_shift;
tdfxVertex *dst = (tdfxVertex *)(tdfxverts + (edst << shift));
tdfxVertex *src = (tdfxVertex *)(tdfxverts + (esrc << shift));
dst->ui[4] = src->ui[4];
}
static void copy_pv_rgba3( GLcontext *ctx, GLuint edst, GLuint esrc )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
GLubyte *tdfxverts = (GLubyte *)fxMesa->verts;
GLuint shift = fxMesa->vertex_stride_shift;
tdfxVertex *dst = (tdfxVertex *)(tdfxverts + (edst << shift));
tdfxVertex *src = (tdfxVertex *)(tdfxverts + (esrc << shift));
dst->ui[3] = src->ui[3];
}
typedef void (*emit_func)( GLcontext *, GLuint, GLuint, void *, GLuint );
static struct {
emit_func emit;
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[TDFX_MAX_SETUP];
static void import_float_colors( GLcontext *ctx )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
struct gl_client_array *from = VB->ColorPtr[0];
struct gl_client_array *to = &TDFX_CONTEXT(ctx)->UbyteColor;
GLuint count = VB->Count;
if (!to->Ptr) {
to->Ptr = ALIGN_MALLOC( VB->Size * 4 * sizeof(GLubyte), 32 );
to->Type = GL_UNSIGNED_BYTE;
}
if (!from->StrideB) {
to->StrideB = 0;
count = 1;
}
else
to->StrideB = 4 * sizeof(GLubyte);
_math_trans_4ub( (GLubyte (*)[4]) to->Ptr,
from->Ptr,
from->StrideB,
from->Type,
from->Size,
0,
count);
VB->ColorPtr[0] = to;
}
#define GET_COLOR(ptr, idx) (((GLchan (*)[4])((ptr)->Ptr))[idx])
static void interp_extras( GLcontext *ctx,
GLfloat t,
GLuint dst, GLuint out, GLuint in,
GLboolean force_boundary )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
if (VB->ColorPtr[1]) {
INTERP_4CHAN( t,
GET_COLOR(VB->ColorPtr[1], dst),
GET_COLOR(VB->ColorPtr[1], out),
GET_COLOR(VB->ColorPtr[1], in) );
}
if (VB->EdgeFlag) {
VB->EdgeFlag[dst] = VB->EdgeFlag[out] || force_boundary;
}
setup_tab[TDFX_CONTEXT(ctx)->SetupIndex].interp(ctx, t, dst, out, in,
force_boundary);
}
static void copy_pv_extras( GLcontext *ctx, GLuint dst, GLuint src )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
if (VB->ColorPtr[1]) {
COPY_CHAN4( GET_COLOR(VB->ColorPtr[1], dst),
GET_COLOR(VB->ColorPtr[1], src) );
}
setup_tab[TDFX_CONTEXT(ctx)->SetupIndex].copy_pv(ctx, dst, src);
}
#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT)
#define TAG(x) x##_wg
#include "tdfx_vbtmp.h"
#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT|TDFX_W_BIT)
#define TAG(x) x##_wg_fog
#include "tdfx_vbtmp.h"
#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT|TDFX_W_BIT|TDFX_TEX0_BIT)
#define TAG(x) x##_wgt0
#include "tdfx_vbtmp.h"
#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT|TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT)
#define TAG(x) x##_wgt0t1
#include "tdfx_vbtmp.h"
#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT|TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_PTEX_BIT)
#define TAG(x) x##_wgpt0
#include "tdfx_vbtmp.h"
#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT|TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT|\
TDFX_PTEX_BIT)
#define TAG(x) x##_wgpt0t1
#include "tdfx_vbtmp.h"
#define IND (TDFX_RGBA_BIT)
#define TAG(x) x##_g
#include "tdfx_vbtmp.h"
#define IND (TDFX_TEX0_BIT)
#define TAG(x) x##_t0
#include "tdfx_vbtmp.h"
#define IND (TDFX_TEX0_BIT|TDFX_TEX1_BIT)
#define TAG(x) x##_t0t1
#include "tdfx_vbtmp.h"
#define IND (TDFX_RGBA_BIT|TDFX_TEX0_BIT)
#define TAG(x) x##_gt0
#include "tdfx_vbtmp.h"
#define IND (TDFX_RGBA_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT)
#define TAG(x) x##_gt0t1
#include "tdfx_vbtmp.h"
static void init_setup_tab( void )
{
init_wg();
init_wg_fog();
init_wgt0();
init_wgt0t1();
init_wgpt0();
init_wgpt0t1();
init_g();
init_t0();
init_t0t1();
init_gt0();
init_gt0t1();
}
void tdfxPrintSetupFlags(char *msg, GLuint flags )
{
fprintf(stderr, "%s(%x): %s%s%s%s%s\n",
msg,
(int)flags,
(flags & TDFX_XYZ_BIT) ? " xyz," : "",
(flags & TDFX_W_BIT) ? " w," : "",
(flags & TDFX_RGBA_BIT) ? " rgba," : "",
(flags & TDFX_TEX0_BIT) ? " tex-0," : "",
(flags & TDFX_TEX1_BIT) ? " tex-1," : "");
}
void tdfxCheckTexSizes( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
if (!setup_tab[fxMesa->SetupIndex].check_tex_sizes(ctx)) {
GLuint ind = fxMesa->SetupIndex |= (TDFX_PTEX_BIT|TDFX_RGBA_BIT);
if (setup_tab[ind].vertex_format != fxMesa->vertexFormat) {
FLUSH_BATCH(fxMesa);
fxMesa->dirty |= TDFX_UPLOAD_VERTEX_LAYOUT;
fxMesa->vertexFormat = setup_tab[ind].vertex_format;
fxMesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift;
if (!(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
tnl->Driver.Render.Interp = setup_tab[fxMesa->SetupIndex].interp;
tnl->Driver.Render.CopyPV = setup_tab[fxMesa->SetupIndex].copy_pv;
}
}
}
}
void tdfxBuildVertices( GLcontext *ctx, GLuint start, GLuint count,
GLuint newinputs )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
GLubyte *v = (fxMesa->verts + (start<<fxMesa->vertex_stride_shift));
GLuint stride = 1<<fxMesa->vertex_stride_shift;
newinputs |= fxMesa->SetupNewInputs;
fxMesa->SetupNewInputs = 0;
if (!newinputs)
return;
if (newinputs & VERT_BIT_CLIP) {
setup_tab[fxMesa->SetupIndex].emit( ctx, start, count, v, stride );
} else {
GLuint ind = 0;
if (newinputs & VERT_BIT_COLOR0)
ind |= TDFX_RGBA_BIT;
if (newinputs & VERT_BIT_TEX0)
ind |= TDFX_TEX0_BIT;
if (newinputs & VERT_BIT_TEX1)
ind |= TDFX_TEX0_BIT|TDFX_TEX1_BIT;
if (fxMesa->SetupIndex & TDFX_PTEX_BIT)
ind = ~0;
ind &= fxMesa->SetupIndex;
if (ind) {
setup_tab[ind].emit( ctx, start, count, v, stride );
}
}
}
void tdfxChooseVertexState( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
GLuint ind = TDFX_XYZ_BIT|TDFX_RGBA_BIT;
if (ctx->Texture._EnabledUnits & 0x2)
ind |= TDFX_W_BIT|TDFX_TEX1_BIT|TDFX_TEX0_BIT;
else if (ctx->Texture._EnabledUnits & 0x1)
ind |= TDFX_W_BIT|TDFX_TEX0_BIT;
else if (ctx->Fog.Enabled)
ind |= TDFX_W_BIT;
fxMesa->SetupIndex = ind;
if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
tnl->Driver.Render.Interp = interp_extras;
tnl->Driver.Render.CopyPV = 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 != fxMesa->vertexFormat) {
FLUSH_BATCH(fxMesa);
fxMesa->dirty |= TDFX_UPLOAD_VERTEX_LAYOUT;
fxMesa->vertexFormat = setup_tab[ind].vertex_format;
fxMesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift;
}
}
void tdfxInitVB( GLcontext *ctx )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
GLuint size = TNL_CONTEXT(ctx)->vb.Size;
static int firsttime = 1;
if (firsttime) {
init_setup_tab();
firsttime = 0;
}
fxMesa->verts = (GLubyte *)ALIGN_MALLOC(size * sizeof(tdfxVertex), 32);
fxMesa->vertexFormat = setup_tab[TDFX_XYZ_BIT|TDFX_RGBA_BIT].vertex_format;
fxMesa->vertex_stride_shift = setup_tab[(TDFX_XYZ_BIT|
TDFX_RGBA_BIT)].vertex_stride_shift;
fxMesa->SetupIndex = TDFX_XYZ_BIT|TDFX_RGBA_BIT;
}
void tdfxFreeVB( GLcontext *ctx )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
if (fxMesa->verts) {
ALIGN_FREE(fxMesa->verts);
fxMesa->verts = 0;
}
if (fxMesa->UbyteColor.Ptr) {
ALIGN_FREE(fxMesa->UbyteColor.Ptr);
fxMesa->UbyteColor.Ptr = 0;
}
}