1 /*
2  * Copyright 2011 Christoph Bumiller
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  */
22 
23 #include "codegen/nv50_ir.h"
24 #include "codegen/nv50_ir_build_util.h"
25 
26 namespace nv50_ir {
27 
28 class ConverterCommon : public BuildUtil
29 {
30 public:
31    ConverterCommon(Program *, nv50_ir_prog_info *, nv50_ir_prog_info_out *);
32 protected:
33    struct Subroutine
34    {
SubroutineSubroutine35       Subroutine(Function *f) : f(f) { }
36       Function *f;
37       ValueMap values;
38    };
39 
40    Subroutine *getSubroutine(unsigned ip);
41    Subroutine *getSubroutine(Function *);
42 
43    uint8_t translateInterpMode(const struct nv50_ir_varying *var, operation& op);
44 
45    void handleUserClipPlanes();
46 
47    struct {
48       std::map<unsigned, Subroutine> map;
49       Subroutine *cur;
50    } sub;
51 
52    struct nv50_ir_prog_info *info;
53    struct nv50_ir_prog_info_out *info_out;
54    Value *fragCoord[4];
55    Value *clipVtx[4];
56    Value *outBase; // base address of vertex out patch (for TCP)
57 };
58 
59 } // namespace nv50_ir
60