diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp index f80162d8203..748a068b142 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp @@ -1733,10 +1733,15 @@ vec4_vs_visitor::setup_attributes(int payload_reg) memset(attribute_map, 0, sizeof(attribute_map)); nr_attributes = 0; - for (int i = 0; i < VERT_ATTRIB_MAX; i++) { - if (vs_prog_data->inputs_read & BITFIELD64_BIT(i)) { - attribute_map[i] = payload_reg + nr_attributes; - nr_attributes++; + GLbitfield64 vs_inputs = vs_prog_data->inputs_read; + while (vs_inputs) { + GLuint first = ffsll(vs_inputs) - 1; + int needed_slots = + (vs_prog_data->double_inputs_read & BITFIELD64_BIT(first)) ? 2 : 1; + for (int c = 0; c < needed_slots; c++) { + attribute_map[nr_attributes] = payload_reg + nr_attributes; + nr_attributes++; + vs_inputs &= ~BITFIELD64_BIT(first + c); } } |