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;
}
}
/* Return the width and height of the current color buffer.
*/
static void s3vDDGetBufferSize( GLframebuffer *buffer,
GLuint *width, GLuint *height )
{
GET_CURRENT_CONTEXT(ctx);
s3vContextPtr vmesa = S3V_CONTEXT(ctx);
/* S3VHW_LOCK( vmesa ); */
*width = vmesa->driDrawable->w;
*height = vmesa->driDrawable->h;
/* S3VHW_UNLOCK( vmesa ); */
}
static GLboolean s3v_run_render( GLcontext *ctx,
struct tnl_pipeline_stage *stage )
{
s3vContextPtr vmesa = S3V_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
GLuint i;
tnl_render_func *tab;
DEBUG(("s3v_run_render\n"));
/* FIXME: hw clip */
if (VB->ClipOrMask || vmesa->RenderIndex != 0) {
DEBUG(("*** CLIPPED in render ***\n"));
#if 1
return GL_TRUE; /* don't handle clipping here */
#endif
}
/* We don't do elts */
if (VB->Elts)
return GL_TRUE;
tab = TAG(render_tab_verts);
tnl->Driver.Render.Start( ctx );
for (i = 0 ; i < VB->PrimitiveCount ; i++ )
{
GLuint prim = _tnl_translate_prim(&VB->Primitive[i]);
GLuint start = VB->Primitive[i].start;
GLuint length = VB->Primitive[i].count;
DEBUG(("s3v_run_render (loop=%i) (lenght=%i)\n", i, length));
if (length) {
tnl->Driver.Render.BuildVertices( ctx, start,
start+length, ~0 /*stage->inputs*/); /* XXX */
tnl->Driver.Render.PrimTabVerts[prim & PRIM_MODE_MASK]
( ctx, start, start + length, prim );
vmesa->SetupNewInputs = VERT_BIT_POS;
}
}
tnl->Driver.Render.Finish( ctx );
return GL_FALSE; /* finished the pipe */
}
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 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;
}
}
static void VERT_FALLBACK( GLcontext *ctx,
GLuint start,
GLuint count,
GLuint flags )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
/* s3vContextPtr vmesa = S3V_CONTEXT(ctx); */
int _flags;
DEBUG(("VERT_FALLBACK: flags & PRIM_MODE_MASK = %i\n",
flags & PRIM_MODE_MASK));
DEBUG(("VERT_FALLBACK: flags=%i PRIM_MODE_MASK=%i\n",
flags, PRIM_MODE_MASK));
#if 0
tnl->Driver.Render.PrimitiveNotify( ctx, flags & PRIM_MODE_MASK );
#endif
tnl->Driver.Render.BuildVertices( ctx, start, count, ~0 );
_flags = flags & PRIM_MODE_MASK;
tnl->Driver.Render.PrimTabVerts[_flags]( ctx, start, count, flags );
S3V_CONTEXT(ctx)->SetupNewInputs = VERT_BIT_POS;
}
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
}
