AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Cell: compute bounding box in cell_vbuf_draw()

Browse Source
This commit is contained in:
Brian
2008-01-10 21:50:55 -07:00
parent ea190f4b41
commit 71caa922e0
1 changed files with 20 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/mesa/pipe/cell/ppu/cell_vbuf.c
+20 -11
View File
@@ -95,8 +95,24 @@ cell_vbuf_draw(struct vbuf_render *vbr,
{
struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr);
struct cell_context *cell = cvbr->cell;
float xmin, ymin, xmax, ymax;
uint i;
/* compute x/y bounding box */
xmin = ymin = 1e50;
xmax = ymax = -1e50;
for (i = 0; i < nr_vertices; i++) {
const float *v = (float *) ((ubyte *) vertices + i * vertex_size);
if (v[0] < xmin)
xmin = v[0];
if (v[0] > xmax)
xmax = v[0];
if (v[1] < ymin)
ymin = v[1];
if (v[1] > ymax)
ymax = v[1];
}
/*printf("cell_vbuf_draw nr_indices = %u\n", nr_indices);*/
if (prim != PIPE_PRIM_TRIANGLES)
@@ -110,17 +126,10 @@ cell_vbuf_draw(struct vbuf_render *vbr,
render->vertex_data = vertices;
render->index_data = indices;
render->num_indexes = nr_indices;
#if 0
render->xmin = cell->prim_buffer.xmin;
render->ymin = cell->prim_buffer.ymin;
render->xmax = cell->prim_buffer.xmax;
render->ymax = cell->prim_buffer.ymax;
#else
render->xmin = -100;
render->ymin = -100;
render->xmax = 100;
render->ymax = 100;
#endif
render->xmin = xmin;
render->ymin = ymin;
render->xmax = xmax;
render->ymax = ymax;
ASSERT_ALIGN16(render->vertex_data);
ASSERT_ALIGN16(render->index_data);