Just pass in the vertex_info object and make a copy of it.
/**
- * Tell the drawing module about the layout of post-transformation vertices
+ * Tell the drawing module about the contents of post-transformation vertices.
+ * Note that the vertex attribute format info isn't used by 'draw'; all
+ * attributes are handled as float[4]. But when the driver emits vertices
+ * it'll use that info.
+ * We _do_ care about the number of attributes and their interpolation modes.
*/
void
-draw_set_vertex_attributes( struct draw_context *draw,
- const uint *slot_to_vf_attr,
- const enum interp_mode *interps,
- unsigned nr_attrs )
+draw_set_vertex_info( struct draw_context *draw,
+ const struct vertex_info *info)
{
- struct vertex_info *vinfo = &draw->vertex_info;
- unsigned i;
+ assert(info->interp_mode[0] == INTERP_LINEAR); /* should be vert pos */
- assert(interps[0] == INTERP_LINEAR); /* should be vert pos */
-
- assert(nr_attrs <= PIPE_MAX_SHADER_OUTPUTS);
+ assert(info->num_attribs <= PIPE_MAX_SHADER_OUTPUTS);
/* Note that draw-module vertices will consist of the attributes passed
* to this function, plus a header/prefix containing the vertex header
* flags and GLfloat[4] clip pos.
*/
- memset(vinfo, 0, sizeof(*vinfo));
-
- /* copy attrib info */
- for (i = 0; i < nr_attrs; i++) {
- emit_vertex_attr(vinfo, FORMAT_4F, interps[i]);
- }
+ memcpy(&draw->vertex_info, info, sizeof(*info));
- draw_compute_vertex_size(vinfo);
+ draw_compute_vertex_size(&draw->vertex_info);
- /* add extra words for vertex header (uint), clip pos (float[4]) */
- vinfo->size += 5;
+ /* Need to know vertex size (in words) for vertex copying elsewhere.
+ * Four words per attribute, plus vertex header (uint) and clip
+ * position (float[4]).
+ */
+ draw->vertex_info.size = draw->vertex_info.num_attribs * 4 + 5;
}
}
-extern void draw_set_vertex_attributes( struct draw_context *draw,
- const uint *attrs,
- const enum interp_mode *interps,
- unsigned nr_attrs );
+extern void draw_set_vertex_info( struct draw_context *draw,
+ const struct vertex_info *info);
extern void draw_set_twoside_attributes(struct draw_context *draw,
uint front0, uint back0,
/* If the attributes have changed, tell the draw module about the new
* vertex layout. We'll also update the hardware vertex format info.
*/
- draw_set_vertex_attributes( i915->draw,
- NULL,/*vinfo.slot_to_attrib,*/
- vinfo.interp_mode,
- vinfo.num_attribs);
-
+ draw_set_vertex_info( i915->draw, &vinfo);
+
draw_set_twoside_attributes(i915->draw,
front0, back0, front1, back1);
if (1/*vinfo->attr_mask != softpipe->attr_mask*/) {
/*softpipe->attr_mask = vinfo->attr_mask;*/
- draw_set_vertex_attributes( softpipe->draw,
- NULL,/*vinfo->slot_to_attrib,*/
- vinfo->interp_mode,
- vinfo->num_attribs);
+ draw_set_vertex_info( softpipe->draw, vinfo);
draw_set_twoside_attributes(softpipe->draw,
front0, back0, front1, back1);
set_feedback_vertex_format(GLcontext *ctx)
{
struct st_context *st = ctx->st;
- uint attrs[PIPE_MAX_SHADER_OUTPUTS];
- enum interp_mode interp[PIPE_MAX_SHADER_OUTPUTS];
- GLuint n, i;
+ struct vertex_info vinfo;
+ GLuint i;
if (ctx->RenderMode == GL_SELECT) {
assert(ctx->RenderMode == GL_SELECT);
- n = 1;
- attrs[0] = FORMAT_4F;
- interp[0] = INTERP_NONE;
+ vinfo.num_attribs = 1;
+ vinfo.format[0] = FORMAT_4F;
+ vinfo.interp_mode[0] = INTERP_NONE;
}
else {
/* GL_FEEDBACK, or glRasterPos */
/* emit all attribs (pos, color, texcoord) as GLfloat[4] */
- n = st->state.vs->state.num_outputs;
- for (i = 0; i < n; i++) {
- attrs[i] = FORMAT_4F;
- interp[i] = INTERP_NONE;
+ vinfo.num_attribs = st->state.vs->state.num_outputs;
+ for (i = 0; i < vinfo.num_attribs; i++) {
+ vinfo.format[i] = FORMAT_4F;
+ vinfo.interp_mode[i] = INTERP_LINEAR;
}
}
- draw_set_vertex_attributes(st->draw, attrs, interp, n);
+ draw_set_vertex_info(st->draw, &vinfo);
}