static void fetch( struct pt_fetch *fetch,
const struct draw_fetch_info *fetch_info,
char *output)
{
if (fetch_info->linear) {
draw_pt_fetch_run_linear( fetch,
fetch_info->start,
fetch_info->count,
output );
}
else {
draw_pt_fetch_run( fetch,
fetch_info->elts,
fetch_info->count,
output );
}
}
static boolean fetch_pipeline_linear_run_elts( struct draw_pt_middle_end *middle,
unsigned start,
unsigned count,
const ushort *draw_elts,
unsigned draw_count )
{
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_context *draw = fpme->draw;
struct draw_vertex_shader *shader = draw->vs.vertex_shader;
struct draw_geometry_shader *geometry_shader = draw->gs.geometry_shader;
unsigned opt = fpme->opt;
unsigned alloc_count = align( count, 4 );
struct vertex_header *pipeline_verts =
(struct vertex_header *)MALLOC(fpme->vertex_size * alloc_count);
if (!pipeline_verts)
return FALSE;
/* Fetch into our vertex buffer
*/
draw_pt_fetch_run_linear( fpme->fetch,
start,
count,
(char *)pipeline_verts );
/* Run the shader, note that this overwrites the data[] parts of
* the pipeline verts.
*/
if (opt & PT_SHADE)
{
shader->run_linear(shader,
(const float (*)[4])pipeline_verts->data,
( float (*)[4])pipeline_verts->data,
draw->pt.user.vs_constants,
count,
fpme->vertex_size,
fpme->vertex_size);
if (geometry_shader)
draw_geometry_shader_run(geometry_shader,
(const float (*)[4])pipeline_verts->data,
( float (*)[4])pipeline_verts->data,
draw->pt.user.gs_constants,
count,
fpme->vertex_size,
fpme->vertex_size);
}
if (draw_pt_post_vs_run( fpme->post_vs,
pipeline_verts,
count,
fpme->vertex_size ))
{
opt |= PT_PIPELINE;
}
/* Do we need to run the pipeline?
*/
if (opt & PT_PIPELINE) {
draw_pipeline_run( fpme->draw,
fpme->prim,
pipeline_verts,
count,
fpme->vertex_size,
draw_elts,
draw_count );
}
else {
draw_pt_emit( fpme->emit,
(const float (*)[4])pipeline_verts->data,
count,
fpme->vertex_size,
draw_elts,
draw_count );
}
FREE(pipeline_verts);
return TRUE;
}
