diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vs_emit.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_emit.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index 7d5eb353eee..b6c9e5a1ceb 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -1878,6 +1878,26 @@ get_predicate(const struct prog_instruction *inst) } } +static void +brw_vs_rescale_gl_fixed(struct brw_vs_compile *c) +{ + struct brw_compile *p = &c->func; + int i; + + for (i = 0; i < VERT_ATTRIB_MAX; i++) { + if (!(c->prog_data.inputs_read & (1 << i))) + continue; + + if (c->key.gl_fixed_input_size[i] != 0) { + struct brw_reg reg = c->regs[PROGRAM_INPUT][i]; + + brw_MUL(p, + brw_writemask(reg, (1 << c->key.gl_fixed_input_size[i]) - 1), + reg, brw_imm_f(1.0 / 65536.0)); + } + } +} + /* Emit the vertex program instructions here. */ void brw_vs_emit(struct brw_vs_compile *c ) @@ -1937,6 +1957,8 @@ void brw_vs_emit(struct brw_vs_compile *c ) */ brw_vs_alloc_regs(c); + brw_vs_rescale_gl_fixed(c); + if (c->needs_stack) brw_MOV(p, get_addr_reg(stack_index), brw_address(c->stack)); |