wined3d: Handle SM4 if instruction modifiers.

dlls/wined3d/glsl_shader.c

@@ -4156,10 +4156,11 @@ static void shader_glsl_rep(const struct wined3d_shader_instruction *ins)
 
 static void shader_glsl_if(const struct wined3d_shader_instruction *ins)
 {
+    const char *condition = (ins->flags == WINED3D_SHADER_CONDITIONAL_OP_NZ) ? "bool" : "!bool";
     struct glsl_src_param src0_param;
 
     shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_0, &src0_param);
-    shader_addline(ins->ctx->buffer, "if (bool(%s)) {\n", src0_param.param_str);
+    shader_addline(ins->ctx->buffer, "if (%s(%s)) {\n", condition, src0_param.param_str);
 }
 
 static void shader_glsl_ifc(const struct wined3d_shader_instruction *ins)

dlls/wined3d/shader.c

@@ -2259,7 +2259,16 @@ static void shader_trace_init(const struct wined3d_shader_frontend *fe, void *fe
 
             shader_addline(&buffer, "%s", shader_opcode_names[ins.handler_idx]);
 
-            if (ins.handler_idx == WINED3DSIH_IFC
+            if (ins.handler_idx == WINED3DSIH_IF)
+            {
+                switch (ins.flags)
+                {
+                    case WINED3D_SHADER_CONDITIONAL_OP_NZ: shader_addline(&buffer, "_nz"); break;
+                    case WINED3D_SHADER_CONDITIONAL_OP_Z:  shader_addline(&buffer, "_z"); break;
+                    default: shader_addline(&buffer, "_unrecognized(%#x)", ins.flags); break;
+                }
+            }
+            else if (ins.handler_idx == WINED3DSIH_IFC
                     || ins.handler_idx == WINED3DSIH_BREAKC)
             {
                 switch (ins.flags)

dlls/wined3d/shader_sm4.c

@@ -103,6 +103,8 @@ WINE_DECLARE_DEBUG_CHANNEL(d3d_bytecode);
 
 #define WINED3D_SM4_INSTRUCTION_FLAG_SATURATE   0x4
 
+#define WINED3D_SM4_CONDITIONAL_NZ              (0x1u << 18)
+
 enum wined3d_sm4_opcode
 {
     WINED3D_SM4_OP_ADD                              = 0x00,
@@ -379,6 +381,15 @@ static BOOL shader_sm4_read_src_param(struct wined3d_sm4_data *priv, const DWORD
 static BOOL shader_sm4_read_dst_param(struct wined3d_sm4_data *priv, const DWORD **ptr,
         enum wined3d_data_type data_type, struct wined3d_shader_dst_param *dst_param);
 
+static void shader_sm4_read_if(struct wined3d_shader_instruction *ins,
+        DWORD opcode, DWORD opcode_token, const DWORD *tokens, unsigned int token_count,
+        struct wined3d_sm4_data *priv)
+{
+    shader_sm4_read_src_param(priv, &tokens, WINED3D_DATA_UINT, &priv->src_param[0]);
+    ins->flags = (opcode_token & WINED3D_SM4_CONDITIONAL_NZ) ?
+            WINED3D_SHADER_CONDITIONAL_OP_NZ : WINED3D_SHADER_CONDITIONAL_OP_Z;
+}
+
 static void shader_sm4_read_shader_data(struct wined3d_shader_instruction *ins,
         DWORD opcode, DWORD opcode_token, const DWORD *tokens, unsigned int token_count,
         struct wined3d_sm4_data *priv)
@@ -627,7 +638,8 @@ static const struct wined3d_sm4_opcode_info opcode_table[] =
     {WINED3D_SM4_OP_FTOU,                             WINED3DSIH_FTOU,                             "u",    "f"},
     {WINED3D_SM4_OP_GE,                               WINED3DSIH_GE,                               "u",    "ff"},
     {WINED3D_SM4_OP_IADD,                             WINED3DSIH_IADD,                             "i",    "ii"},
-    {WINED3D_SM4_OP_IF,                               WINED3DSIH_IF,                               "",     "u"},
+    {WINED3D_SM4_OP_IF,                               WINED3DSIH_IF,                               "",     "u",
+            shader_sm4_read_if},
     {WINED3D_SM4_OP_IEQ,                              WINED3DSIH_IEQ,                              "u",    "ii"},
     {WINED3D_SM4_OP_IGE,                              WINED3DSIH_IGE,                              "u",    "ii"},
     {WINED3D_SM4_OP_ILT,                              WINED3DSIH_ILT,                              "u",    "ii"},

dlls/wined3d/wined3d_private.h

@@ -497,6 +497,12 @@ enum wined3d_shader_rel_op
     WINED3D_SHADER_REL_OP_LE = 6,
 };
 
+enum wined3d_shader_conditional_op
+{
+    WINED3D_SHADER_CONDITIONAL_OP_NZ = 0,
+    WINED3D_SHADER_CONDITIONAL_OP_Z  = 1
+};
+
 #define WINED3D_SM1_VS  0xfffeu
 #define WINED3D_SM1_PS  0xffffu
 #define WINED3D_SM4_PS  0x0000u