Module: Mesa Branch: master Commit: 7351c7684f75704dfef82a25177e6c5284d8bb0a URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7351c7684f75704dfef82a25177e6c5284d8bb0a
Author: Dave Airlie <[email protected]> Date: Sat Dec 19 14:43:14 2015 +1000 st/glsl_to_tgsi: setup writemask for double arrays and matricies. It's important for the double instruction emission code that the writemasks are correct going in for double so it know which channels to replicate. This fixes it for the array and matrix cases. Signed-off-by: Dave Airlie <[email protected]> --- src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 6eb31b3..133ba37 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -2754,7 +2754,26 @@ glsl_to_tgsi_visitor::visit(ir_assignment *ir) */ if (ir->write_mask == 0) { assert(!ir->lhs->type->is_scalar() && !ir->lhs->type->is_vector()); - l.writemask = WRITEMASK_XYZW; + + if (ir->lhs->type->is_array() || ir->lhs->type->without_array()->is_matrix()) { + if (ir->lhs->type->without_array()->is_double()) { + switch (ir->lhs->type->without_array()->vector_elements) { + case 1: + l.writemask = WRITEMASK_X; + break; + case 2: + l.writemask = WRITEMASK_XY; + break; + case 3: + l.writemask = WRITEMASK_XYZ; + break; + case 4: + l.writemask = WRITEMASK_XYZW; + break; + } + } else + l.writemask = WRITEMASK_XYZW; + } } else if (ir->lhs->type->is_scalar() && !ir->lhs->type->is_double() && ir->lhs->variable_referenced()->data.mode == ir_var_shader_out) { _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
