diff options
Diffstat (limited to 'src/gallium/auxiliary/translate/translate_generic.c')
| -rw-r--r-- | src/gallium/auxiliary/translate/translate_generic.c | 63 |
1 files changed, 44 insertions, 19 deletions
diff --git a/src/gallium/auxiliary/translate/translate_generic.c b/src/gallium/auxiliary/translate/translate_generic.c index 0e43a512ee8..4d1977229e2 100644 --- a/src/gallium/auxiliary/translate/translate_generic.c +++ b/src/gallium/auxiliary/translate/translate_generic.c @@ -368,23 +368,23 @@ static void PIPE_CDECL generic_run_elts( struct translate *translate, /* loop over vertex attributes (vertex shader inputs) */ for (i = 0; i < count; i++) { - unsigned elt = *elts++; + const unsigned elt = *elts++; for (attr = 0; attr < nr_attrs; attr++) { float data[4]; - const uint8_t *src; - unsigned index; - - char *dst = (vert + - tg->attrib[attr].output_offset); + char *dst = vert + tg->attrib[attr].output_offset; if (tg->attrib[attr].type == TRANSLATE_ELEMENT_NORMAL) { + const uint8_t *src; + unsigned index; + if (tg->attrib[attr].instance_divisor) { index = instance_id / tg->attrib[attr].instance_divisor; } else { index = elt; } + /* clamp to void going out of bounds */ index = MIN2(index, tg->attrib[attr].max_index); src = tg->attrib[attr].input_ptr + @@ -392,11 +392,23 @@ static void PIPE_CDECL generic_run_elts( struct translate *translate, tg->attrib[attr].fetch( data, src, 0, 0 ); + if (0) + debug_printf("Fetch elt attr %d from %p stride %d div %u max %u index %d: " + " %f, %f, %f, %f \n", + attr, + tg->attrib[attr].input_ptr, + tg->attrib[attr].input_stride, + tg->attrib[attr].instance_divisor, + tg->attrib[attr].max_index, + index, + data[0], data[1],data[2], data[3]); } else { data[0] = (float)instance_id; } - if (0) debug_printf("vert %d/%d attr %d: %f %f %f %f\n", - i, elt, attr, data[0], data[1], data[2], data[3]); + + if (0) + debug_printf("vert %d/%d attr %d: %f %f %f %f\n", + i, elt, attr, data[0], data[1], data[2], data[3]); tg->attrib[attr].emit( data, dst ); } @@ -425,29 +437,42 @@ static void PIPE_CDECL generic_run( struct translate *translate, for (attr = 0; attr < nr_attrs; attr++) { float data[4]; - - char *dst = (vert + - tg->attrib[attr].output_offset); + char *dst = vert + tg->attrib[attr].output_offset; if (tg->attrib[attr].type == TRANSLATE_ELEMENT_NORMAL) { const uint8_t *src; + unsigned index; if (tg->attrib[attr].instance_divisor) { - src = tg->attrib[attr].input_ptr + - tg->attrib[attr].input_stride * - (instance_id / tg->attrib[attr].instance_divisor); - } else { - src = tg->attrib[attr].input_ptr + - tg->attrib[attr].input_stride * elt; + index = instance_id / tg->attrib[attr].instance_divisor; } + else { + index = elt; + } + + /* clamp to void going out of bounds */ + index = MIN2(index, tg->attrib[attr].max_index); + + src = tg->attrib[attr].input_ptr + + tg->attrib[attr].input_stride * index; tg->attrib[attr].fetch( data, src, 0, 0 ); + + if (0) + debug_printf("Fetch linear attr %d from %p stride %d index %d: " + " %f, %f, %f, %f \n", + attr, + tg->attrib[attr].input_ptr, + tg->attrib[attr].input_stride, + index, + data[0], data[1],data[2], data[3]); } else { data[0] = (float)instance_id; } - if (0) debug_printf("vert %d attr %d: %f %f %f %f\n", - i, attr, data[0], data[1], data[2], data[3]); + if (0) + debug_printf("vert %d attr %d: %f %f %f %f\n", + i, attr, data[0], data[1], data[2], data[3]); tg->attrib[attr].emit( data, dst ); } |