/* Populate a swrast SWvertex from an attrib-style vertex.
*/
void
_swsetup_Translate( GLcontext *ctx, const void *vertex, SWvertex *dest )
{
const GLfloat *m = ctx->Viewport._WindowMap.m;
GLfloat tmp[4];
GLuint i;
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POS, tmp );
dest->win[0] = m[0] * tmp[0] + m[12];
dest->win[1] = m[5] * tmp[1] + m[13];
dest->win[2] = m[10] * tmp[2] + m[14];
dest->win[3] = tmp[3];
for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++)
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_TEX0+i, dest->texcoord[i] );
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR0, tmp );
UNCLAMPED_FLOAT_TO_RGBA_CHAN( dest->color, tmp );
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR1, tmp );
UNCLAMPED_FLOAT_TO_RGBA_CHAN( dest->specular, tmp );
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_FOG, tmp );
dest->fog = tmp[0];
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_INDEX, tmp );
dest->index = (GLuint) tmp[0];
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POINTSIZE, tmp );
dest->pointSize = tmp[0];
}
/* Currently not working - VERT_ATTRIB_POINTSIZE isn't correctly
* represented in the fragment program InputsRead field.
*/
static void
intel_atten_point(struct intel_context *intel, intelVertexPtr v0)
{
GLcontext *ctx = &intel->ctx;
GLfloat psz[4], col[4], restore_psz, restore_alpha;
_tnl_get_attr(ctx, v0, _TNL_ATTRIB_POINTSIZE, psz);
_tnl_get_attr(ctx, v0, _TNL_ATTRIB_COLOR0, col);
restore_psz = psz[0];
restore_alpha = col[3];
if (psz[0] >= ctx->Point.Threshold) {
psz[0] = MIN2(psz[0], ctx->Point.MaxSize);
}
else {
GLfloat dsize = psz[0] / ctx->Point.Threshold;
psz[0] = MAX2(ctx->Point.Threshold, ctx->Point.MinSize);
col[3] *= dsize * dsize;
}
if (psz[0] < 1.0)
psz[0] = 1.0;
if (restore_psz != psz[0] || restore_alpha != col[3]) {
_tnl_set_attr(ctx, v0, _TNL_ATTRIB_POINTSIZE, psz);
_tnl_set_attr(ctx, v0, _TNL_ATTRIB_COLOR0, col);
intel_draw_point(intel, v0);
psz[0] = restore_psz;
col[3] = restore_alpha;
_tnl_set_attr(ctx, v0, _TNL_ATTRIB_POINTSIZE, psz);
_tnl_set_attr(ctx, v0, _TNL_ATTRIB_COLOR0, col);
}
else
intel_draw_point(intel, v0);
}
/**
* Populate a swrast SWvertex from an attrib-style vertex.
*/
void
_swsetup_Translate( struct gl_context *ctx, const void *vertex, SWvertex *dest )
{
const GLfloat *m = ctx->Viewport._WindowMap.m;
GLfloat tmp[4];
GLuint i;
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POS, tmp );
dest->attrib[VARYING_SLOT_POS][0] = m[0] * tmp[0] + m[12];
dest->attrib[VARYING_SLOT_POS][1] = m[5] * tmp[1] + m[13];
dest->attrib[VARYING_SLOT_POS][2] = m[10] * tmp[2] + m[14];
dest->attrib[VARYING_SLOT_POS][3] = tmp[3];
/** XXX try to limit these loops someday */
for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_TEX0 + i,
dest->attrib[VARYING_SLOT_TEX0 + i] );
for (i = 0 ; i < ctx->Const.MaxVarying ; i++)
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_GENERIC0 + i,
dest->attrib[VARYING_SLOT_VAR0 + i] );
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR0,
dest->attrib[VARYING_SLOT_COL0] );
UNCLAMPED_FLOAT_TO_RGBA_CHAN( dest->color, tmp );
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR1,
dest->attrib[VARYING_SLOT_COL1]);
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_FOG, tmp );
dest->attrib[VARYING_SLOT_FOGC][0] = tmp[0];
/* XXX See _tnl_get_attr about pointsize ... */
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POINTSIZE, tmp );
dest->pointSize = tmp[0];
}
