Conor McCarthy : vkd3d-shader/dxil: Implement DX intrinsic Coverage.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 127bcf90e4f7c5455e2ae82924860b48f440d9b5
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/127bcf90e4f7c5455e2ae82924860b...

Author: Conor McCarthy 
Date:   Thu Apr  4 14:29:57 2024 +1000

vkd3d-shader/dxil: Implement DX intrinsic Coverage.

---

libs/vkd3d-shader/dxil.c        |  8 ++++++++
 tests/hlsl/coverage.shader_test | 10 +++++-----
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/libs/vkd3d-shader/dxil.c b/libs/vkd3d-shader/dxil.c
index 96c8aba9..ccba66af 100644
--- a/libs/vkd3d-shader/dxil.c
+++ b/libs/vkd3d-shader/dxil.c
@@ -414,6 +414,7 @@ enum dx_intrinsic_opcode
     DX_DERIV_COARSEY                =  84,
     DX_DERIV_FINEX                  =  85,
     DX_DERIV_FINEY                  =  86,
+    DX_COVERAGE                     =  91,
     DX_THREAD_ID                    =  93,
     DX_GROUP_ID                     =  94,
     DX_THREAD_ID_IN_GROUP           =  95,
@@ -4817,6 +4818,12 @@ static void sm6_parser_emit_dx_input_register_mov(struct sm6_parser *sm6,
     instruction_dst_param_init_ssa_scalar(ins, sm6);
 }

+static void sm6_parser_emit_dx_coverage(struct sm6_parser *sm6, enum dx_intrinsic_opcode op,
+        const struct sm6_value **operands, struct function_emission_state *state)
+{
+    sm6_parser_emit_dx_input_register_mov(sm6, state->ins, VKD3DSPR_COVERAGE, VKD3D_DATA_UINT);
+}
+
 static const struct sm6_descriptor_info *sm6_parser_get_descriptor(struct sm6_parser *sm6,
         enum vkd3d_shader_descriptor_type type, unsigned int id, const struct sm6_value *address)
 {
@@ -5935,6 +5942,7 @@ static const struct sm6_dx_opcode_info sm6_dx_op_table[] =
     [DX_CBUFFER_LOAD_LEGACY           ] = {"o", "Hi",   sm6_parser_emit_dx_cbuffer_load},
     [DX_COS                           ] = {"g", "R",    sm6_parser_emit_dx_sincos},
     [DX_COUNT_BITS                    ] = {"i", "m",    sm6_parser_emit_dx_unary},
+    [DX_COVERAGE                      ] = {"i", "",     sm6_parser_emit_dx_coverage},
     [DX_CREATE_HANDLE                 ] = {"H", "ccib", sm6_parser_emit_dx_create_handle},
     [DX_DERIV_COARSEX                 ] = {"e", "R",    sm6_parser_emit_dx_unary},
     [DX_DERIV_COARSEY                 ] = {"e", "R",    sm6_parser_emit_dx_unary},
diff --git a/tests/hlsl/coverage.shader_test b/tests/hlsl/coverage.shader_test
index ac098761..3a188da5 100644
--- a/tests/hlsl/coverage.shader_test
+++ b/tests/hlsl/coverage.shader_test
@@ -24,15 +24,15 @@ float4 main(float4 position : SV_Position, uint coverage : SV_Coverage) : SV_Tar

[test]
 sample mask 0x01
-todo draw quad
+todo(sm<6) draw quad
 probe all rgba (0.0, 0.25, 0.0, 0.25)
 probe uav 1 all rui (0x01)
 sample mask 0x03
-todo draw quad
+todo(sm<6) draw quad
 probe all rgba (0.0, 0.5, 0.0, 0.5)
 probe uav 1 all rui (0x03)
 sample mask 0x07
-todo draw quad
+todo(sm<6) draw quad
 probe all rgba (0.0, 0.75, 0.0, 0.75)
 probe uav 1 all rui (0x07)

@@ -47,10 +47,10 @@ size (2d, 4, 4)
 [test]
 clear rtv 0 0.0 0.0 0.0 0.0
 sample mask 0x09
-todo draw quad
+todo(sm<6) draw quad
 probe all rgba (0.0, 0.5, 0.0, 0.5)
 probe uav 1 all rui (0x09)
 sample mask 0x0f
-todo draw quad
+todo(sm<6) draw quad
 probe all rgba (0.0, 1.0, 0.0, 1.0)
 probe uav 1 all rui (0x0f)