d3dx9: Implement preshader parsing.

dlls/d3dx9_36/d3dx9_private.h

@@ -108,7 +108,57 @@ const char *debug_d3dxparameter_registerset(D3DXREGISTER_SET r) DECLSPEC_HIDDEN;
 void set_number(void *outdata, D3DXPARAMETER_TYPE outtype,
         const void *indata, D3DXPARAMETER_TYPE intype) DECLSPEC_HIDDEN;
 
-struct d3dx_param_eval;
+struct d3dx_parameter;
+
+enum pres_reg_tables
+{
+    PRES_REGTAB_IMMED,
+    PRES_REGTAB_CONST,
+    PRES_REGTAB_OCONST,
+    PRES_REGTAB_OBCONST,
+    PRES_REGTAB_OICONST,
+    PRES_REGTAB_TEMP,
+    PRES_REGTAB_COUNT,
+    PRES_REGTAB_FIRST_SHADER = PRES_REGTAB_CONST,
+};
+
+struct d3dx_const_tab
+{
+    unsigned int input_count;
+    D3DXCONSTANT_DESC *inputs;
+    struct d3dx_parameter **inputs_param;
+    ID3DXConstantTable *ctab;
+    /* TODO: do not keep input constant structure
+       (use it only at the parse stage) */
+    const enum pres_reg_tables *regset2table;
+};
+
+struct d3dx_regstore
+{
+    void *tables[PRES_REGTAB_COUNT];
+    unsigned int table_sizes[PRES_REGTAB_COUNT]; /* registers count */
+    unsigned int *table_value_set[PRES_REGTAB_COUNT];
+};
+
+struct d3dx_pres_ins;
+
+struct d3dx_preshader
+{
+    struct d3dx_regstore regs;
+
+    unsigned int ins_count;
+    struct d3dx_pres_ins *ins;
+
+    struct d3dx_const_tab inputs;
+};
+
+struct d3dx_param_eval
+{
+    D3DXPARAMETER_TYPE param_type;
+
+    struct d3dx_preshader pres;
+    struct d3dx_const_tab shader_inputs;
+};
 
 struct d3dx_parameter
 {
@@ -140,7 +190,7 @@ struct d3dx9_base_effect;
 struct d3dx_parameter *get_parameter_by_name(struct d3dx9_base_effect *base,
         struct d3dx_parameter *parameter, const char *name) DECLSPEC_HIDDEN;
 
-HRESULT d3dx_create_param_eval(struct d3dx9_base_effect *base_effect, void *byte_code,
+void d3dx_create_param_eval(struct d3dx9_base_effect *base_effect, void *byte_code,
         unsigned int byte_code_size, D3DXPARAMETER_TYPE type, struct d3dx_param_eval **peval) DECLSPEC_HIDDEN;
 void d3dx_free_param_eval(struct d3dx_param_eval *peval) DECLSPEC_HIDDEN;