src/mesa/drivers/dri/r600/r700_shader.h

   1 /*
   2  * Copyright (C) 2008-2009  Advanced Micro Devices, Inc.
   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
  12  * in all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  15  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20  */
  21
  22 /*
  23  * Authors:
  24  *   Richard Li <RichardZ.Li@amd.com>, <richardradeon@gmail.com>
  25  */
  26
  27
  28 #ifndef __R700_SHADER_H__
  29 #define __R700_SHADER_H__
  30
  31 #include "main/mtypes.h"
  32
  33 #include "r700_shaderinst.h"
  34
  35
  36 void r700ShaderInit(struct gl_context * ctx);
  37
  38 typedef enum R700ShaderType
  39 {
  40     R700_SHADER_FS      = 0x0,
  41     R700_SHADER_ES      = 0x1,
  42     R700_SHADER_GS      = 0x2,
  43     R700_SHADER_VS      = 0x3,
  44     R700_SHADER_PS      = 0x4,
  45     R700_SHADER_INVALID = 0x5,
  46 } R700ShaderType;
  47
  48 typedef struct TypedShaderList
  49 {
  50         R700ShaderInstruction * pHead;
  51         R700ShaderInstruction * pTail;
  52         GLuint  uNumOfNode;
  53 } TypedShaderList;
  54
  55 typedef struct RealRegister
  56 {
  57     GLuint uAddr;
  58     GLuint uValue;
  59 } RealRegister;
  60
  61 typedef struct InstDeps
  62 {
  63     GLint nDstDep;
  64     GLint nSrcDeps[3];
  65 } InstDeps;
  66
  67 typedef struct R700_Shader
  68 {
  69         R700ShaderType   Type;
  70
  71     GLubyte*  pProgram;
  72
  73     GLboolean bBinaryShader;
  74     GLboolean bFetchShaderRequired;
  75     GLboolean bNeedsAssembly;
  76     GLboolean bLinksDirty;
  77
  78     GLuint  uShaderBinaryDWORDSize; // in DWORDS
  79     GLuint  nRegs;
  80     GLuint  nParamExports;   // VS_ EXPORT_COUNT (1 based, the actual register is 0 based!)
  81     GLuint  nMemExports;
  82     GLuint  resource;     // VS and PS _RESOURCE
  83     GLuint  exportMode;   // VS and PS _EXPORT_MODE
  84
  85     GLboolean  depthIsImported;
  86
  87     // Vertex program exports
  88     GLboolean  positionVectorIsExported;
  89
  90     GLboolean  miscVectorIsExported;
  91     GLboolean  renderTargetArrayIndexIsExported;
  92
  93     GLboolean  ccDist0VectorIsExported;
  94     GLboolean  ccDist1VectorIsExported;
  95
  96     // Pixel program exports
  97     GLboolean  depthIsExported;
  98     GLboolean  stencilRefIsExported;
  99     GLboolean  coverageToMaskIsExported;
 100     GLboolean  maskIsExported;
 101
 102     GLboolean  killIsUsed;
 103
 104     GLuint  uStartAddr;
 105     GLuint  uCFOffset;
 106     GLuint  uEndOfCF;
 107     GLuint  uEndOfALU;
 108     GLuint  uEndOfFetch;
 109     GLuint  uStackSize;
 110     GLuint  uMaxCallDepth;
 111
 112     TypedShaderList * plstCFInstructions_active;
 113         TypedShaderList lstCFInstructions;
 114         TypedShaderList lstALUInstructions;
 115         TypedShaderList lstTEXInstructions;
 116         TypedShaderList lstVTXInstructions;
 117
 118     RealRegister RegStartAddr;
 119     RealRegister RegCFOffset;
 120     RealRegister RegEndCF;
 121     RealRegister RegEndALU;
 122     RealRegister egEndFetcg;
 123
 124         // -------- constants
 125         GLfloat   ConstantArray[SQ_ALU_CONSTANT_PS_COUNT * 4];
 126
 127         GLboolean bSurfAllocated;
 128 } R700_Shader;
 129
 130 //Internal
 131 void AddInstToList(TypedShaderList * plstCFInstructions, R700ShaderInstruction * pInst);
 132 void TakeInstOutFromList(TypedShaderList * plstCFInstructions, R700ShaderInstruction * pInst);
 133 void ResolveLinks(R700_Shader *pShader);
 134 void Assemble(R700_Shader *pShader);
 135
 136 //Interface
 137 void Init_R700_Shader(R700_Shader * pShader);
 138 void AddCFInstruction(R700_Shader *pShader, R700ControlFlowInstruction *pCFInst);
 139 void AddVTXInstruction(R700_Shader *pShader, R700VertexInstruction *pVTXInst);
 140 void AddTEXInstruction(R700_Shader *pShader, R700TextureInstruction *pTEXInst);
 141 void AddALUInstruction(R700_Shader *pShader, R700ALUInstruction *pALUInst);
 142 void SetActiveCFlist(R700_Shader *pShader, TypedShaderList * plstCF);
 143
 144 void LoadProgram(R700_Shader *pShader);
 145 void UpdateShaderRegisters(R700_Shader *pShader);
 146 void DeleteInstructions(R700_Shader *pShader);
 147 void DebugPrint(void);
 148 void cleanup_vfetch_shaderinst(R700_Shader *pShader);
 149
 150 void Clean_Up_Shader(R700_Shader *pShader);
 151
 152 #endif /*__R700_SHADER_H__*/
 153