wined3d: Implement SM5 f32tof16 instruction.

dlls/wined3d/arb_program_shader.c

@@ -5106,6 +5106,7 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
     /* WINED3DSIH_EXP                              */ shader_hw_scalar_op,
     /* WINED3DSIH_EXPP                             */ shader_hw_scalar_op,
     /* WINED3DSIH_F16TOF32                         */ NULL,
+    /* WINED3DSIH_F32TOF16                         */ NULL,
     /* WINED3DSIH_FCALL                            */ NULL,
     /* WINED3DSIH_FRC                              */ shader_hw_map2gl,
     /* WINED3DSIH_FTOI                             */ NULL,

dlls/wined3d/glsl_shader.c

@@ -3764,13 +3764,17 @@ static void shader_glsl_map2gl(const struct wined3d_shader_instruction *ins)
     shader_addline(buffer, "));\n");
 }
 
-static void shader_glsl_f16tof32(const struct wined3d_shader_instruction *ins)
+static void shader_glsl_float16(const struct wined3d_shader_instruction *ins)
 {
     struct wined3d_shader_dst_param dst;
     struct glsl_src_param src;
     DWORD write_mask;
+    const char *fmt;
     unsigned int i;
 
+    fmt = ins->handler_idx == WINED3DSIH_F16TOF32
+            ? "unpackHalf2x16(%s).x);\n" : "packHalf2x16(vec2(%s, 0.0)));\n";
+
     dst = ins->dst[0];
     for (i = 0; i < 4; ++i)
     {
@@ -3782,7 +3786,7 @@ static void shader_glsl_f16tof32(const struct wined3d_shader_instruction *ins)
             continue;
 
         shader_glsl_add_src_param(ins, &ins->src[0], write_mask, &src);
-        shader_addline(ins->ctx->buffer, "unpackHalf2x16(%s).x);\n", src.param_str);
+        shader_addline(ins->ctx->buffer, fmt, src.param_str);
     }
 }
 
@@ -8913,7 +8917,8 @@ static const SHADER_HANDLER shader_glsl_instruction_handler_table[WINED3DSIH_TAB
     /* WINED3DSIH_EQ                               */ shader_glsl_relop,
     /* WINED3DSIH_EXP                              */ shader_glsl_scalar_op,
     /* WINED3DSIH_EXPP                             */ shader_glsl_expp,
-    /* WINED3DSIH_F16TOF32                         */ shader_glsl_f16tof32,
+    /* WINED3DSIH_F16TOF32                         */ shader_glsl_float16,
+    /* WINED3DSIH_F32TOF16                         */ shader_glsl_float16,
     /* WINED3DSIH_FCALL                            */ NULL,
     /* WINED3DSIH_FRC                              */ shader_glsl_map2gl,
     /* WINED3DSIH_FTOI                             */ shader_glsl_to_int,

dlls/wined3d/shader.c

@@ -131,6 +131,7 @@ static const char * const shader_opcode_names[] =
     /* WINED3DSIH_EXP                              */ "exp",
     /* WINED3DSIH_EXPP                             */ "expp",
     /* WINED3DSIH_F16TOF32                         */ "f16tof32",
+    /* WINED3DSIH_F32TOF16                         */ "f32tof16",
     /* WINED3DSIH_FCALL                            */ "fcall",
     /* WINED3DSIH_FRC                              */ "frc",
     /* WINED3DSIH_FTOI                             */ "ftoi",

dlls/wined3d/shader_sm4.c

@@ -231,6 +231,7 @@ enum wined3d_sm4_opcode
     WINED3D_SM5_OP_DERIV_RTY_FINE                   = 0x7d,
     WINED3D_SM5_OP_GATHER4_C                        = 0x7e,
     WINED3D_SM5_OP_RCP                              = 0x81,
+    WINED3D_SM5_OP_F32TOF16                         = 0x82,
     WINED3D_SM5_OP_F16TOF32                         = 0x83,
     WINED3D_SM5_OP_UBFE                             = 0x8a,
     WINED3D_SM5_OP_BFI                              = 0x8c,
@@ -923,6 +924,7 @@ static const struct wined3d_sm4_opcode_info opcode_table[] =
     {WINED3D_SM5_OP_DERIV_RTY_FINE,                   WINED3DSIH_DSY_FINE,                         "f",    "f"},
     {WINED3D_SM5_OP_GATHER4_C,                        WINED3DSIH_GATHER4_C,                        "f",    "fRSf"},
     {WINED3D_SM5_OP_RCP,                              WINED3DSIH_RCP,                              "f",    "f"},
+    {WINED3D_SM5_OP_F32TOF16,                         WINED3DSIH_F32TOF16,                         "u",    "f"},
     {WINED3D_SM5_OP_F16TOF32,                         WINED3DSIH_F16TOF32,                         "f",    "u"},
     {WINED3D_SM5_OP_UBFE,                             WINED3DSIH_UBFE,                             "u",    "iiu"},
     {WINED3D_SM5_OP_BFI,                              WINED3DSIH_BFI,                              "u",    "iiuu"},

dlls/wined3d/wined3d_private.h

@@ -661,6 +661,7 @@ enum WINED3D_SHADER_INSTRUCTION_HANDLER
     WINED3DSIH_EXP,
     WINED3DSIH_EXPP,
     WINED3DSIH_F16TOF32,
+    WINED3DSIH_F32TOF16,
     WINED3DSIH_FCALL,
     WINED3DSIH_FRC,
     WINED3DSIH_FTOI,