[PATCH vkd3d 4/4] vkd3d-shader: Implement DFMA instruction.

[Conor McCarthy]

Signed-off-by: Conor McCarthy 
---
 libs/vkd3d-shader/dxbc.c                 | 1 +
 libs/vkd3d-shader/sm4.h                  | 1 +
 libs/vkd3d-shader/spirv.c                | 2 ++
 libs/vkd3d-shader/trace.c                | 1 +
 libs/vkd3d-shader/vkd3d_shader_private.h | 1 +
 tests/d3d12.c                            | 2 +-
 6 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/dxbc.c b/libs/vkd3d-shader/dxbc.c
index f9be52d3..de55d782 100644
--- a/libs/vkd3d-shader/dxbc.c
+++ b/libs/vkd3d-shader/dxbc.c
@@ -809,6 +809,7 @@ static const struct vkd3d_sm4_opcode_info opcode_table[] =
     {VKD3D_SM5_OP_EVAL_CENTROID,                    VKD3DSIH_EVAL_CENTROID,                    "f",    "f"},
     {VKD3D_SM5_OP_DCL_GS_INSTANCES,                 VKD3DSIH_DCL_GS_INSTANCES,                 "",     "",
             shader_sm4_read_declaration_count},
+    {VKD3D_SM5_OP_DFMA,                             VKD3DSIH_DFMA,                             "d",    "ddd"},
 };

static const enum vkd3d_shader_register_type register_type_table[] =
diff --git a/libs/vkd3d-shader/sm4.h b/libs/vkd3d-shader/sm4.h
index c9a389ec..d9f61898 100644
--- a/libs/vkd3d-shader/sm4.h
+++ b/libs/vkd3d-shader/sm4.h
@@ -328,6 +328,7 @@ enum vkd3d_sm4_opcode
     VKD3D_SM5_OP_EVAL_SAMPLE_INDEX                = 0xcc,
     VKD3D_SM5_OP_EVAL_CENTROID                    = 0xcd,
     VKD3D_SM5_OP_DCL_GS_INSTANCES                 = 0xce,
+    VKD3D_SM5_OP_DFMA                             = 0xd3,
 };

enum vkd3d_sm4_instruction_modifier
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index 1b0051e5..08709e44 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -6843,6 +6843,7 @@ static enum GLSLstd450 vkd3d_dxbc_compiler_map_ext_glsl_instruction(
     }
     glsl_insts[] =
     {
+        {VKD3DSIH_DFMA,            GLSLstd450Fma},
         {VKD3DSIH_DMAX,            GLSLstd450NMax},
         {VKD3DSIH_DMIN,            GLSLstd450NMin},
         {VKD3DSIH_EXP,             GLSLstd450Exp2},
@@ -9534,6 +9535,7 @@ int vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler,
         case VKD3DSIH_XOR:
             vkd3d_dxbc_compiler_emit_alu_instruction(compiler, instruction);
             break;
+        case VKD3DSIH_DFMA:
         case VKD3DSIH_DMAX:
         case VKD3DSIH_DMIN:
         case VKD3DSIH_EXP:
diff --git a/libs/vkd3d-shader/trace.c b/libs/vkd3d-shader/trace.c
index b0a2298f..d0aaa0fb 100644
--- a/libs/vkd3d-shader/trace.c
+++ b/libs/vkd3d-shader/trace.c
@@ -105,6 +105,7 @@ static const char * const shader_opcode_names[] =
     /* VKD3DSIH_DEFB                             */ "defb",
     /* VKD3DSIH_DEFI                             */ "defi",
     /* VKD3DSIH_DEQ                              */ "deq",
+    /* VKD3DSIH_DFMA                             */ "dfma",
     /* VKD3DSIH_DGE                              */ "dge",
     /* VKD3DSIH_DIV                              */ "div",
     /* VKD3DSIH_DLT                              */ "dlt",
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index d8a6379c..47ab3f6b 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -194,6 +194,7 @@ enum vkd3d_shader_opcode
     VKD3DSIH_DEFB,
     VKD3DSIH_DEFI,
     VKD3DSIH_DEQ,
+    VKD3DSIH_DFMA,
     VKD3DSIH_DGE,
     VKD3DSIH_DIV,
     VKD3DSIH_DLT,
diff --git a/tests/d3d12.c b/tests/d3d12.c
index 9854af30..aaf4bfca 100644
--- a/tests/d3d12.c
+++ b/tests/d3d12.c
@@ -9960,7 +9960,7 @@ static void test_shader_instructions(void)
         {&ps_dadd,      {.d = {{2.5, 0.0}}},  {.d = {2.5 + 1.0000002433080226, 2.5 + 2.000000481493771}}, true},
         {&ps_dmin_dmax, {.d = {{-1.0, 1.0}}}, {.d = {-1.0, 1.0}}, true},
         {&ps_dfma,      {.d = {{1.0000002433080226, 2.000000481493771}}},
-                        {.d = {1.0000002433080226 * 2.000000481493771 + 1.0000002433080226}}, true, true},
+                        {.d = {1.0000002433080226 * 2.000000481493771 + 1.0000002433080226}}, true},
         {&ps_dmovc,     {.d = {{0.5, 0.0}}},  {.d = {4.5, 4.5}}, true, true},
         {&ps_dmovc,     {.d = {{1.5, 0.0}}},  {.d = {1.5, 0.0}}, true, true},
         {&ps_dmodifier, {.d = {{1.5, 0.0}}},  {.d = {1.5f, 2.5f}}, true},