static void intel_wpos_point( intelContextPtr intel,
intelVertexPtr v0 )
{
GLuint offset = intel->wpos_offset;
GLuint size = intel->wpos_size;
__memcpy( ((char *)v0) + offset, v0, size );
intel_draw_point( intel, v0 );
}
static void intel_wpos_point( intelContextPtr intel,
intelVertexPtr v0 )
{
GLuint offset = intel->wpos_offset;
GLuint size = intel->wpos_size;
GLfloat *v0_wpos = (GLfloat *)((char *)v0 + offset);
__memcpy(v0_wpos, v0, size);
v0_wpos[1] = -v0_wpos[1] + intel->driDrawable->h;
intel_draw_point( intel, v0 );
}
/* 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);
}
