fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 20:28:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

st/mesa: flip y coordinate of interpolateAtOffset for winsys

Browse source 
This fixes a few dEQP tests like

dEQP-GLES31.functional.shaders.multisample_interpolation.interpolate_at_offset.no_qualifiers.default_framebuffer

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Ilia Mirkin 2016-05-12 22:14:17 -04:00
parent 0d8e850195
commit a1c2444792
1 changed files with 22 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
View file

@ -2151,9 +2151,29 @@ glsl_to_tgsi_visitor::visit_expression(ir_expression* ir, st_src_reg *op)
case ir_unop_interpolate_at_centroid:
emit_asm(ir, TGSI_OPCODE_INTERP_CENTROID, result_dst, op[0]);
break;
case ir_binop_interpolate_at_offset:
emit_asm(ir, TGSI_OPCODE_INTERP_OFFSET, result_dst, op[0], op[1]);
case ir_binop_interpolate_at_offset: {
/* The y coordinate needs to be flipped for the default fb */
static const gl_state_index transform_y_state[STATE_LENGTH]
= { STATE_INTERNAL, STATE_FB_WPOS_Y_TRANSFORM };
unsigned transform_y_index =
_mesa_add_state_reference(this->prog->Parameters,
transform_y_state);
st_src_reg transform_y = st_src_reg(PROGRAM_STATE_VAR,
transform_y_index,
glsl_type::vec4_type);
transform_y.swizzle = SWIZZLE_XXXX;
st_src_reg temp = get_temp(glsl_type::vec2_type);
st_dst_reg temp_dst = st_dst_reg(temp);
emit_asm(ir, TGSI_OPCODE_MOV, temp_dst, op[1]);
temp_dst.writemask = WRITEMASK_Y;
emit_asm(ir, TGSI_OPCODE_MUL, temp_dst, transform_y, op[1]);
emit_asm(ir, TGSI_OPCODE_INTERP_OFFSET, result_dst, op[0], temp);
break;
}
case ir_binop_interpolate_at_sample:
emit_asm(ir, TGSI_OPCODE_INTERP_SAMPLE, result_dst, op[0], op[1]);
break;