src/mesa/drivers/dri/r600/r700_shaderinst.c

   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 #include "main/mtypes.h"
  29
  30 #include "radeon_debug.h"
  31 #include "r700_shaderinst.h"
  32
  33 void Init_R700ControlFlowGenericClause(R700ControlFlowGenericClause* pInst)
  34 {
  35     pInst->m_Word0.val = 0x00000000;
  36     pInst->m_Word1.val = 0x00000000;
  37
  38     pInst->m_pLinkedVTXInstruction = 0;
  39     pInst->m_pLinkedTEXInstruction = 0;
  40
  41     pInst->useCount = 0;
  42
  43         pInst->m_ShaderInstType = SIT_CF_GENERIC;
  44 }
  45
  46 void Init_R700ControlFlowALUClause(R700ControlFlowALUClause* pInst)
  47 {
  48     pInst->m_Word0.val = 0x00000000;
  49     pInst->m_Word1.val = 0x00000000;
  50
  51     pInst->m_pLinkedALUInstruction = 0;
  52
  53     pInst->useCount = 0;
  54
  55         pInst->m_ShaderInstType = SIT_CF_ALU;
  56 }
  57
  58 void Init_R700ControlFlowSXClause(R700ControlFlowSXClause* pInst)
  59 {
  60     pInst->m_Word0.val      = 0x00000000;
  61     pInst->m_Word1.val      = 0x00000000;
  62     pInst->m_Word1_SWIZ.val = 0x00000000;
  63
  64     pInst->useCount = 0;
  65
  66         pInst->m_ShaderInstType = SIT_CF_ALL_EXP_SX;
  67 }
  68
  69 void Init_R700ControlFlowSMXClause(R700ControlFlowSMXClause* pInst)
  70 {
  71     pInst->m_Word0.val     = 0x00000000;
  72     pInst->m_Word1.val     = 0x00000000;
  73     pInst->m_Word1_BUF.val = 0x00000000;
  74
  75     pInst->useCount = 0;
  76
  77         pInst->m_ShaderInstType = SIT_CF_ALL_EXP_SMX;
  78 }
  79
  80 void Init_R700ALUInstruction(R700ALUInstruction* pInst)
  81 {
  82     pInst->m_Word0.val     = 0x00000000;
  83     pInst->m_Word1.val     = 0x00000000;
  84     pInst->m_Word1_OP2.val = 0x00000000;
  85     pInst->m_Word1_OP3.val = 0x00000000;
  86
  87     pInst->m_pLinkedALUClause = 0;
  88
  89     pInst->useCount = 0;
  90
  91         pInst->m_ShaderInstType = SIT_ALU;
  92 }
  93
  94 void Init_R700ALUInstructionHalfLiteral(R700ALUInstructionHalfLiteral* pInst, GLfloat x, GLfloat y)
  95 {
  96         pInst->m_Word0.val     = 0x00000000;
  97     pInst->m_Word1.val     = 0x00000000;
  98     pInst->m_Word1_OP2.val = 0x00000000;
  99     pInst->m_Word1_OP3.val = 0x00000000;
 100
 101         pInst->m_pLinkedALUClause = 0;
 102
 103     pInst->m_fLiteralX = x;
 104     pInst->m_fLiteralY = y;
 105
 106     pInst->useCount = 0;
 107
 108         pInst->m_ShaderInstType = SIT_ALU_HALF_LIT;
 109 }
 110
 111 void Init_R700ALUInstructionFullLiteral(R700ALUInstructionFullLiteral* pInst, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
 112 {
 113         pInst->m_Word0.val     = 0x00000000;
 114     pInst->m_Word1.val     = 0x00000000;
 115     pInst->m_Word1_OP2.val = 0x00000000;
 116     pInst->m_Word1_OP3.val = 0x00000000;
 117
 118         pInst->m_pLinkedALUClause = 0;
 119
 120     pInst->m_fLiteralX = x;
 121     pInst->m_fLiteralY = y;
 122     pInst->m_fLiteralZ = z;
 123     pInst->m_fLiteralW = w;
 124
 125     pInst->useCount = 0;
 126
 127         pInst->m_ShaderInstType = SIT_ALU_FALL_LIT;
 128 }
 129
 130 void Init_R700TextureInstruction(R700TextureInstruction* pInst)
 131 {
 132     pInst->m_Word0.val     = 0x00000000;
 133     pInst->m_Word1.val     = 0x00000000;
 134     pInst->m_Word2.val     = 0x00000000;
 135
 136     pInst->m_pLinkedGenericClause = 0;
 137
 138     pInst->useCount = 0;
 139
 140         pInst->m_ShaderInstType = SIT_TEX;
 141 }
 142
 143 void Init_R700VertexSemanticFetch(R700VertexSemanticFetch* pInst)
 144 {
 145     pInst->m_Word0.val     = 0x00000000;
 146     pInst->m_Word1.val     = 0x00000000;
 147     pInst->m_Word1_SEM.val = 0x00000000;
 148     pInst->m_Word2.val     = 0x00000000;
 149
 150     pInst->m_pLinkedGenericClause = 0;
 151
 152     pInst->useCount = 0;
 153
 154         pInst->m_ShaderInstType = SIT_VTX_SEM;
 155 }
 156
 157 void Init_R700VertexGenericFetch(R700VertexGenericFetch* pInst)
 158 {
 159     pInst->m_Word0.val     = 0x00000000;
 160     pInst->m_Word1.val     = 0x00000000;
 161     pInst->m_Word1_GPR.val = 0x00000000;
 162     pInst->m_Word2.val     = 0x00000000;
 163
 164     pInst->m_pLinkedGenericClause = 0;
 165
 166     pInst->useCount = 0;
 167
 168         pInst->m_ShaderInstType = SIT_VTX_GENERIC;
 169 }
 170
 171 unsigned int GetInstructionSize(ShaderInstType instType)
 172 {
 173     switch(instType)
 174     {
 175     case SIT_ALU_HALF_LIT:
 176     case SIT_TEX:
 177     case SIT_VTX:
 178     case SIT_VTX_GENERIC:
 179     case SIT_VTX_SEM:
 180         return 4;
 181     case SIT_ALU_FALL_LIT:
 182         return 6;
 183     default:
 184         break;
 185     }
 186
 187     return 2;
 188 }
 189
 190 unsigned int GetCFMaxInstructions(ShaderInstType instType)
 191 {
 192     switch (instType)
 193     {
 194     case SIT_CF_ALL_EXP:
 195     case SIT_CF_ALL_EXP_SX:
 196     case SIT_CF_ALL_EXP_SMX:
 197         return 0x10;
 198     case SIT_CF_GENERIC:
 199         return 0x8;  //For tex and vtx
 200     case SIT_CF_ALU:
 201         return 0x80;
 202     default:
 203         break;
 204     }
 205     return 0x10;
 206 }
 207
 208 GLboolean LinkVertexInstruction(R700ControlFlowGenericClause *pCFGeneric,
 209                                                                 R700VertexInstruction *pVTXInstruction)
 210 {
 211     if (pCFGeneric->m_pLinkedTEXInstruction != 0)
 212     {
 213         radeon_error("This instruction is already linked to a texture instruction.\n");
 214         return GL_FALSE;
 215     }
 216
 217     pCFGeneric->m_pLinkedVTXInstruction     = pVTXInstruction;
 218     pVTXInstruction->m_pLinkedGenericClause = pCFGeneric;
 219
 220     return GL_TRUE;
 221 }
 222
 223
 224