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#if (IND & (TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT))
static void TAG(emit)( GLcontext *ctx,
GLuint start, GLuint end,
void *dest,
GLuint stride )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLfloat (*tc0)[4], (*tc1)[4];
GLubyte (*col)[4];
GLuint tc0_stride, tc1_stride, col_stride;
GLuint tc0_size, tc1_size;
GLfloat (*proj)[4] = VB->NdcPtr->data;
GLuint proj_stride = VB->NdcPtr->stride;
tdfxVertex *v = (tdfxVertex *)dest;
GLfloat u0scale,v0scale,u1scale,v1scale;
const GLubyte *mask = VB->ClipMask;
const GLfloat *s = fxMesa->hw_viewport;
int i;
/* fprintf(stderr, "%s\n", __FUNCTION__); */
ASSERT(stride > 16);
if (IND & TDFX_TEX0_BIT) {
tc0_stride = VB->TexCoordPtr[0]->stride;
tc0 = VB->TexCoordPtr[0]->data;
u0scale = fxMesa->sScale0;
v0scale = fxMesa->tScale0;
if (IND & TDFX_PTEX_BIT)
tc0_size = VB->TexCoordPtr[0]->size;
}
if (IND & TDFX_TEX1_BIT) {
tc1 = VB->TexCoordPtr[1]->data;
tc1_stride = VB->TexCoordPtr[1]->stride;
u1scale = fxMesa->sScale1;
v1scale = fxMesa->tScale1;
if (IND & TDFX_PTEX_BIT)
tc1_size = VB->TexCoordPtr[1]->size;
}
if (IND & TDFX_RGBA_BIT) {
if (VB->ColorPtr[0]->Type != GL_UNSIGNED_BYTE)
import_float_colors( ctx );
col = VB->ColorPtr[0]->Ptr;
col_stride = VB->ColorPtr[0]->StrideB;
}
if (VB->importable_data) {
/* May have nonstandard strides:
*/
if (start) {
proj = (GLfloat (*)[4])((GLubyte *)proj + start * proj_stride);
if (IND & TDFX_TEX0_BIT)
tc0 = (GLfloat (*)[4])((GLubyte *)tc0 + start * tc0_stride);
if (IND & TDFX_TEX1_BIT)
tc1 = (GLfloat (*)[4])((GLubyte *)tc1 + start * tc1_stride);
if (IND & TDFX_RGBA_BIT)
STRIDE_4UB(col, start * col_stride);
}
for (i=start; i < end; i++, v = (tdfxVertex *)((GLubyte *)v + stride)) {
if (IND & TDFX_XYZ_BIT) {
if (mask[i] == 0) {
/* unclipped */
v->v.x = s[0] * proj[0][0] + s[12];
v->v.y = s[5] * proj[0][1] + s[13];
v->v.z = s[10] * proj[0][2] + s[14];
v->v.rhw = proj[0][3];
} else {
/* clipped */
v->v.rhw = 1.0;
}
proj = (GLfloat (*)[4])((GLubyte *)proj + proj_stride);
}
if (IND & TDFX_RGBA_BIT) {
#if 0
*(GLuint *)&v->v.color = *(GLuint *)col;
#else
GLubyte *b = (GLubyte *) &v->v.color;
b[0] = col[0][2];
b[1] = col[0][1];
b[2] = col[0][0];
b[3] = col[0][3];
#endif
STRIDE_4UB(col, col_stride);
}
if (IND & TDFX_TEX0_BIT) {
GLfloat w = v->v.rhw;
if (IND & TDFX_PTEX_BIT) {
v->pv.tu0 = tc0[0][0] * u0scale * w;
v->pv.tv0 = tc0[0][1] * v0scale * w;
v->pv.tq0 = w;
if (tc0_size == 4)
v->pv.tq0 = tc0[0][3] * w;
}
else {
v->v.tu0 = tc0[0][0] * u0scale * w;
v->v.tv0 = tc0[0][1] * v0scale * w;
}
tc0 = (GLfloat (*)[4])((GLubyte *)tc0 + tc0_stride);
}
if (IND & TDFX_TEX1_BIT) {
GLfloat w = v->v.rhw;
if (IND & TDFX_PTEX_BIT) {
v->pv.tu1 = tc1[0][0] * u1scale * w;
v->pv.tv1 = tc1[0][1] * v1scale * w;
v->pv.tq1 = w;
if (tc1_size == 4)
v->pv.tq1 = tc1[0][3] * w;
}
else {
v->v.tu1 = tc1[0][0] * u1scale * w;
v->v.tv1 = tc1[0][1] * v1scale * w;
}
tc1 = (GLfloat (*)[4])((GLubyte *)tc1 + tc1_stride);
}
}
}
else {
for (i=start; i < end; i++, v = (tdfxVertex *)((GLubyte *)v + stride)) {
if (IND & TDFX_XYZ_BIT) {
if (mask[i] == 0) {
v->v.x = s[0] * proj[i][0] + s[12];
v->v.y = s[5] * proj[i][1] + s[13];
v->v.z = s[10] * proj[i][2] + s[14];
v->v.rhw = proj[i][3];
} else {
v->v.rhw = 1.0;
}
}
if (IND & TDFX_RGBA_BIT) {
#if 0
*(GLuint *)&v->v.color = *(GLuint *)&col[i];
#else
GLubyte *b = (GLubyte *) &v->v.color;
b[0] = col[i][2];
b[1] = col[i][1];
b[2] = col[i][0];
b[3] = col[i][3];
#endif
}
if (IND & TDFX_TEX0_BIT) {
GLfloat w = v->v.rhw;
if (IND & TDFX_PTEX_BIT) {
v->pv.tu0 = tc0[i][0] * u0scale * w;
v->pv.tv0 = tc0[i][1] * v0scale * w;
v->pv.tq0 = w;
if (tc0_size == 4)
v->pv.tq0 = tc0[i][3] * w;
}
else {
v->v.tu0 = tc0[i][0] * u0scale * w;
v->v.tv0 = tc0[i][1] * v0scale * w;
}
}
if (IND & TDFX_TEX1_BIT) {
GLfloat w = v->v.rhw;
if (IND & TDFX_PTEX_BIT) {
v->pv.tu1 = tc1[i][0] * u1scale * w;
v->pv.tv1 = tc1[i][1] * v1scale * w;
v->pv.tq1 = w;
if (tc1_size == 4)
v->pv.tq1 = tc1[i][3] * w;
}
else {
v->v.tu1 = tc1[i][0] * u1scale * w;
v->v.tv1 = tc1[i][1] * v1scale * w;
}
}
}
}
}
#else
#if (IND & TDFX_XYZ_BIT)
static void TAG(emit)( GLcontext *ctx, GLuint start, GLuint end,
void *dest, GLuint stride )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLubyte (*col)[4];
GLuint col_stride;
GLfloat (*proj)[4] = VB->NdcPtr->data;
GLuint proj_stride = VB->NdcPtr->stride;
GLfloat *v = (GLfloat *)dest;
const GLubyte *mask = VB->ClipMask;
const GLfloat *s = fxMesa->hw_viewport;
int i;
/* fprintf(stderr, "%s %d..%d dest %p stride %d\n", __FUNCTION__, */
/* start, end, dest, stride); */
ASSERT(fxMesa->SetupIndex == (TDFX_XYZ_BIT|TDFX_RGBA_BIT));
ASSERT(stride == 16);
if (VB->ColorPtr[0]->Type != GL_UNSIGNED_BYTE)
import_float_colors( ctx );
col = (GLubyte (*)[4])VB->ColorPtr[0]->Ptr;
col_stride = VB->ColorPtr[0]->StrideB;
ASSERT(VB->ColorPtr[0]->Type == GL_UNSIGNED_BYTE);
/* Pack what's left into a 4-dword vertex. Color is in a different
* place, and there is no 'w' coordinate.
*/
if (VB->importable_data) {
if (start) {
proj = (GLfloat (*)[4])((GLubyte *)proj + start * proj_stride);
STRIDE_4UB(col, start * col_stride);
}
for (i=start; i < end; i++, v+=4) {
if (mask[i] == 0) {
v[0] = s[0] * proj[0][0] + s[12];
v[1] = s[5] * proj[0][1] + s[13];
v[2] = s[10] * proj[0][2] + s[14];
}
proj = (GLfloat (*)[4])((GLubyte *)proj + proj_stride);
{
GLubyte *b = (GLubyte *)&v[3];
b[0] = col[0][2];
b[1] = col[0][1];
b[2] = col[0][0];
b[3] = col[0][3];
STRIDE_4UB(col, col_stride);
}
}
}
else {
for (i=start; i < end; i++, v+=4) {
if (mask[i] == 0) {
v[0] = s[0] * proj[i][0] + s[12];
v[1] = s[5] * proj[i][1] + s[13];
v[2] = s[10] * proj[i][2] + s[14];
}
{
GLubyte *b = (GLubyte *)&v[3];
b[0] = col[i][2];
b[1] = col[i][1];
b[2] = col[i][0];
b[3] = col[i][3];
}
}
}
}
#else
static void TAG(emit)( GLcontext *ctx, GLuint start, GLuint end,
void *dest, GLuint stride )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLubyte (*col)[4];
GLuint col_stride;
GLfloat *v = (GLfloat *)dest;
int i;
if (VB->ColorPtr[0]->Type != GL_UNSIGNED_BYTE)
import_float_colors( ctx );
col = VB->ColorPtr[0]->Ptr;
col_stride = VB->ColorPtr[0]->StrideB;
if (start)
STRIDE_4UB(col, col_stride * start);
/* Need to figure out where color is:
*/
if (fxMesa->SetupIndex & TDFX_W_BIT )
v += 4;
else
v += 3;
for (i=start; i < end; i++, STRIDE_F(v, stride)) {
GLubyte *b = (GLubyte *)v;
b[0] = col[0][2];
b[1] = col[0][1];
b[2] = col[0][0];
b[3] = col[0][3];
STRIDE_4UB( col, col_stride );
}
}
#endif
#endif
#if (IND & TDFX_XYZ_BIT) && (IND & TDFX_RGBA_BIT)
static GLboolean TAG(check_tex_sizes)( GLcontext *ctx )
{
/* fprintf(stderr, "%s\n", __FUNCTION__); */
if (IND & TDFX_PTEX_BIT)
return GL_TRUE;
if (IND & TDFX_TEX0_BIT) {
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
if (IND & TDFX_TEX1_BIT) {
if (VB->TexCoordPtr[0] == 0)
VB->TexCoordPtr[0] = VB->TexCoordPtr[1];
if (VB->TexCoordPtr[1]->size == 4)
return GL_FALSE;
}
if (VB->TexCoordPtr[0]->size == 4)
return GL_FALSE;
}
return GL_TRUE;
}
static void TAG(interp)( GLcontext *ctx,
GLfloat t,
GLuint edst, GLuint eout, GLuint ein,
GLboolean force_boundary )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
const GLuint shift = fxMesa->vertex_stride_shift;
const GLfloat *dstclip = VB->ClipPtr->data[edst];
const GLfloat oow = (dstclip[3] == 0.0F) ? 1.0F : (1.0F / dstclip[3]);
const GLfloat *s = fxMesa->hw_viewport;
GLubyte *tdfxverts = (GLubyte *)fxMesa->verts;
tdfxVertex *dst = (tdfxVertex *) (tdfxverts + (edst << shift));
const tdfxVertex *out = (const tdfxVertex *) (tdfxverts + (eout << shift));
const tdfxVertex *in = (const tdfxVertex *) (tdfxverts + (ein << shift));
const GLfloat wout = 1.0F / out->v.rhw;
const GLfloat win = 1.0F / in->v.rhw;
dst->v.x = s[0] * dstclip[0] * oow + s[12];
dst->v.y = s[5] * dstclip[1] * oow + s[13];
dst->v.z = s[10] * dstclip[2] * oow + s[14];
if (IND & (TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT)) {
dst->v.rhw = oow;
INTERP_UB( t, dst->ub4[4][0], out->ub4[4][0], in->ub4[4][0] );
INTERP_UB( t, dst->ub4[4][1], out->ub4[4][1], in->ub4[4][1] );
INTERP_UB( t, dst->ub4[4][2], out->ub4[4][2], in->ub4[4][2] );
INTERP_UB( t, dst->ub4[4][3], out->ub4[4][3], in->ub4[4][3] );
if (IND & TDFX_TEX0_BIT) {
if (IND & TDFX_PTEX_BIT) {
INTERP_F( t, dst->pv.tu0, out->pv.tu0 * wout, in->pv.tu0 * win );
INTERP_F( t, dst->pv.tv0, out->pv.tv0 * wout, in->pv.tv0 * win );
INTERP_F( t, dst->pv.tq0, out->pv.tq0 * wout, in->pv.tq0 * win );
dst->pv.tu0 *= oow;
dst->pv.tv0 *= oow;
dst->pv.tq0 *= oow;
} else {
INTERP_F( t, dst->v.tu0, out->v.tu0 * wout, in->v.tu0 * win );
INTERP_F( t, dst->v.tv0, out->v.tv0 * wout, in->v.tv0 * win );
dst->v.tu0 *= oow;
dst->v.tv0 *= oow;
}
}
if (IND & TDFX_TEX1_BIT) {
if (IND & TDFX_PTEX_BIT) {
INTERP_F( t, dst->pv.tu1, out->pv.tu1 * wout, in->pv.tu1 * win );
INTERP_F( t, dst->pv.tv1, out->pv.tv1 * wout, in->pv.tv1 * win );
INTERP_F( t, dst->pv.tq1, out->pv.tq1 * wout, in->pv.tq1 * win );
dst->pv.tu1 *= oow;
dst->pv.tv1 *= oow;
dst->pv.tq1 *= oow;
} else {
INTERP_F( t, dst->v.tu1, out->v.tu1 * wout, in->v.tu1 * win );
INTERP_F( t, dst->v.tv1, out->v.tv1 * wout, in->v.tv1 * win );
dst->v.tu1 *= oow;
dst->v.tv1 *= oow;
}
}
} else {
/* 4-dword vertex. Color is in v[3] and there is no oow coordinate.
*/
INTERP_UB( t, dst->ub4[3][0], out->ub4[3][0], in->ub4[3][0] );
INTERP_UB( t, dst->ub4[3][1], out->ub4[3][1], in->ub4[3][1] );
INTERP_UB( t, dst->ub4[3][2], out->ub4[3][2], in->ub4[3][2] );
INTERP_UB( t, dst->ub4[3][3], out->ub4[3][3], in->ub4[3][3] );
}
}
#endif
static void TAG(init)( void )
{
/* fprintf(stderr, "%s\n", __FUNCTION__); */
setup_tab[IND].emit = TAG(emit);
#if ((IND & TDFX_XYZ_BIT) && (IND & TDFX_RGBA_BIT))
setup_tab[IND].check_tex_sizes = TAG(check_tex_sizes);
setup_tab[IND].interp = TAG(interp);
if (IND & (TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT))
setup_tab[IND].copy_pv = copy_pv_rgba4;
else
setup_tab[IND].copy_pv = copy_pv_rgba3;
if (IND & TDFX_TEX1_BIT) {
if (IND & TDFX_PTEX_BIT) {
setup_tab[IND].vertex_format = TDFX_LAYOUT_PROJECT;
setup_tab[IND].vertex_size = 12;
setup_tab[IND].vertex_stride_shift = 6;
}
else {
setup_tab[IND].vertex_format = TDFX_LAYOUT_MULTI;
setup_tab[IND].vertex_size = 10;
setup_tab[IND].vertex_stride_shift = 6;
}
}
else if (IND & TDFX_TEX0_BIT) {
if (IND & TDFX_PTEX_BIT) {
setup_tab[IND].vertex_format = TDFX_LAYOUT_PROJECT;
setup_tab[IND].vertex_size = 12;
setup_tab[IND].vertex_stride_shift = 6;
} else {
setup_tab[IND].vertex_format = TDFX_LAYOUT_SINGLE;
setup_tab[IND].vertex_size = 8;
setup_tab[IND].vertex_stride_shift = 5;
}
}
else if (IND & TDFX_W_BIT) {
setup_tab[IND].vertex_format = TDFX_LAYOUT_NOTEX;
setup_tab[IND].vertex_size = 6;
setup_tab[IND].vertex_stride_shift = 5;
} else {
setup_tab[IND].vertex_format = TDFX_LAYOUT_TINY;
setup_tab[IND].vertex_size = 4;
setup_tab[IND].vertex_stride_shift = 4;
}
#endif
}
#undef IND
#undef TAG
|
