dll/directx/wine/wined3d/pixelshader.c

   1 /*
   2  * shaders implementation
   3  *
   4  * Copyright 2002-2003 Jason Edmeades
   5  * Copyright 2002-2003 Raphael Junqueira
   6  * Copyright 2004 Christian Costa
   7  * Copyright 2005 Oliver Stieber
   8  * Copyright 2006 Ivan Gyurdiev
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26
  27 #include <math.h>
  28 #include <stdio.h>
  29
  30 #include "wined3d_private.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  33
  34 #define GLINFO_LOCATION ((IWineD3DDeviceImpl *) This->baseShader.device)->adapter->gl_info
  35
  36 #if 0 /* Must not be 1 in cvs version */
  37 # define PSTRACE(A) TRACE A
  38 # define TRACE_VSVECTOR(name) TRACE( #name "=(%f, %f, %f, %f)\n", name.x, name.y, name.z, name.w)
  39 #else
  40 # define PSTRACE(A)
  41 # define TRACE_VSVECTOR(name)
  42 #endif
  43
  44 #define GLNAME_REQUIRE_GLSL  ((const char *)1)
  45
  46 static HRESULT  WINAPI IWineD3DPixelShaderImpl_QueryInterface(IWineD3DPixelShader *iface, REFIID riid, LPVOID *ppobj) {
  47     return IWineD3DBaseShaderImpl_QueryInterface((IWineD3DBaseShader *) iface, riid, ppobj);
  48 }
  49
  50 static ULONG  WINAPI IWineD3DPixelShaderImpl_AddRef(IWineD3DPixelShader *iface) {
  51     return IWineD3DBaseShaderImpl_AddRef((IWineD3DBaseShader *) iface);
  52 }
  53
  54 static ULONG  WINAPI IWineD3DPixelShaderImpl_Release(IWineD3DPixelShader *iface) {
  55     return IWineD3DBaseShaderImpl_Release((IWineD3DBaseShader *) iface);
  56 }
  57
  58 /* *******************************************
  59    IWineD3DPixelShader IWineD3DPixelShader parts follow
  60    ******************************************* */
  61
  62 static HRESULT  WINAPI IWineD3DPixelShaderImpl_GetParent(IWineD3DPixelShader *iface, IUnknown** parent){
  63     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
  64
  65     *parent = This->parent;
  66     IUnknown_AddRef(*parent);
  67     TRACE("(%p) : returning %p\n", This, *parent);
  68     return WINED3D_OK;
  69 }
  70
  71 static HRESULT  WINAPI IWineD3DPixelShaderImpl_GetDevice(IWineD3DPixelShader* iface, IWineD3DDevice **pDevice){
  72     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
  73     IWineD3DDevice_AddRef(This->baseShader.device);
  74     *pDevice = This->baseShader.device;
  75     TRACE("(%p) returning %p\n", This, *pDevice);
  76     return WINED3D_OK;
  77 }
  78
  79
  80 static HRESULT  WINAPI IWineD3DPixelShaderImpl_GetFunction(IWineD3DPixelShader* impl, VOID* pData, UINT* pSizeOfData) {
  81   IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)impl;
  82   TRACE("(%p) : pData(%p), pSizeOfData(%p)\n", This, pData, pSizeOfData);
  83
  84   if (NULL == pData) {
  85     *pSizeOfData = This->baseShader.functionLength;
  86     return WINED3D_OK;
  87   }
  88   if (*pSizeOfData < This->baseShader.functionLength) {
  89     /* MSDN claims (for d3d8 at least) that if *pSizeOfData is smaller
  90      * than the required size we should write the required size and
  91      * return D3DERR_MOREDATA. That's not actually true. */
  92     return WINED3DERR_INVALIDCALL;
  93   }
  94   if (NULL == This->baseShader.function) { /* no function defined */
  95     TRACE("(%p) : GetFunction no User Function defined using NULL to %p\n", This, pData);
  96     (*(DWORD **) pData) = NULL;
  97   } else {
  98     if (This->baseShader.functionLength == 0) {
  99
 100     }
 101     TRACE("(%p) : GetFunction copying to %p\n", This, pData);
 102     memcpy(pData, This->baseShader.function, This->baseShader.functionLength);
 103   }
 104   return WINED3D_OK;
 105 }
 106
 107 CONST SHADER_OPCODE IWineD3DPixelShaderImpl_shader_ins[] = {
 108     /* Arithmethic */
 109     {WINED3DSIO_NOP,  "nop", "NOP", 0, 0, pshader_hw_map2gl, NULL, 0, 0},
 110     {WINED3DSIO_MOV,  "mov", "MOV", 1, 2, pshader_hw_map2gl, shader_glsl_mov, 0, 0},
 111     {WINED3DSIO_ADD,  "add", "ADD", 1, 3, pshader_hw_map2gl, shader_glsl_arith, 0, 0},
 112     {WINED3DSIO_SUB,  "sub", "SUB", 1, 3, pshader_hw_map2gl, shader_glsl_arith, 0, 0},
 113     {WINED3DSIO_MAD,  "mad", "MAD", 1, 4, pshader_hw_map2gl, shader_glsl_mad, 0, 0},
 114     {WINED3DSIO_MUL,  "mul", "MUL", 1, 3, pshader_hw_map2gl, shader_glsl_arith, 0, 0},
 115     {WINED3DSIO_RCP,  "rcp", "RCP",  1, 2, pshader_hw_map2gl, shader_glsl_rcp, 0, 0},
 116     {WINED3DSIO_RSQ,  "rsq",  "RSQ", 1, 2, pshader_hw_map2gl, shader_glsl_rsq, 0, 0},
 117     {WINED3DSIO_DP3,  "dp3",  "DP3", 1, 3, pshader_hw_map2gl, shader_glsl_dot, 0, 0},
 118     {WINED3DSIO_DP4,  "dp4",  "DP4", 1, 3, pshader_hw_map2gl, shader_glsl_dot, 0, 0},
 119     {WINED3DSIO_MIN,  "min",  "MIN", 1, 3, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 120     {WINED3DSIO_MAX,  "max",  "MAX", 1, 3, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 121     {WINED3DSIO_SLT,  "slt",  "SLT", 1, 3, pshader_hw_map2gl, shader_glsl_compare, 0, 0},
 122     {WINED3DSIO_SGE,  "sge",  "SGE", 1, 3, pshader_hw_map2gl, shader_glsl_compare, 0, 0},
 123     {WINED3DSIO_ABS,  "abs",  "ABS", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 124     {WINED3DSIO_EXP,  "exp",  "EX2", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 125     {WINED3DSIO_LOG,  "log",  "LG2", 1, 2, pshader_hw_map2gl, shader_glsl_log, 0, 0},
 126     {WINED3DSIO_EXPP, "expp", "EXP", 1, 2, pshader_hw_map2gl, shader_glsl_expp, 0, 0},
 127     {WINED3DSIO_LOGP, "logp", "LOG", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 128     {WINED3DSIO_DST,  "dst",  "DST", 1, 3, pshader_hw_map2gl, shader_glsl_dst, 0, 0},
 129     {WINED3DSIO_LRP,  "lrp",  "LRP", 1, 4, pshader_hw_map2gl, shader_glsl_lrp, 0, 0},
 130     {WINED3DSIO_FRC,  "frc",  "FRC", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 131     {WINED3DSIO_CND,  "cnd",  NULL, 1, 4, pshader_hw_cnd, shader_glsl_cnd, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,4)},
 132     {WINED3DSIO_CMP,  "cmp",  NULL, 1, 4, pshader_hw_cmp, shader_glsl_cmp, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(3,0)},
 133     {WINED3DSIO_POW,  "pow",  "POW", 1, 3, pshader_hw_map2gl, shader_glsl_pow, 0, 0},
 134     {WINED3DSIO_CRS,  "crs",  "XPD", 1, 3, pshader_hw_map2gl, shader_glsl_cross, 0, 0},
 135     {WINED3DSIO_NRM,      "nrm",      NULL, 1, 2, shader_hw_nrm, shader_glsl_map2gl, 0, 0},
 136     {WINED3DSIO_SINCOS,   "sincos",   NULL, 1, 4, shader_hw_sincos, shader_glsl_sincos, WINED3DPS_VERSION(2,0), WINED3DPS_VERSION(2,1)},
 137     {WINED3DSIO_SINCOS,   "sincos",   "SCS", 1, 2, shader_hw_sincos, shader_glsl_sincos, WINED3DPS_VERSION(3,0), -1},
 138     {WINED3DSIO_DP2ADD,   "dp2add",   NULL, 1, 4, pshader_hw_dp2add, pshader_glsl_dp2add, WINED3DPS_VERSION(2,0), -1},
 139     /* Matrix */
 140     {WINED3DSIO_M4x4, "m4x4", "undefined", 1, 3, shader_hw_mnxn, shader_glsl_mnxn, 0, 0},
 141     {WINED3DSIO_M4x3, "m4x3", "undefined", 1, 3, shader_hw_mnxn, shader_glsl_mnxn, 0, 0},
 142     {WINED3DSIO_M3x4, "m3x4", "undefined", 1, 3, shader_hw_mnxn, shader_glsl_mnxn, 0, 0},
 143     {WINED3DSIO_M3x3, "m3x3", "undefined", 1, 3, shader_hw_mnxn, shader_glsl_mnxn, 0, 0},
 144     {WINED3DSIO_M3x2, "m3x2", "undefined", 1, 3, shader_hw_mnxn, shader_glsl_mnxn, 0, 0},
 145     /* Register declarations */
 146     {WINED3DSIO_DCL,      "dcl",      NULL, 0, 2, NULL, NULL, 0, 0},
 147     /* Flow control - requires GLSL or software shaders */
 148     {WINED3DSIO_REP ,     "rep",      NULL, 0, 1, NULL, shader_glsl_rep,    WINED3DPS_VERSION(2,1), -1},
 149     {WINED3DSIO_ENDREP,   "endrep",   NULL, 0, 0, NULL, shader_glsl_end,    WINED3DPS_VERSION(2,1), -1},
 150     {WINED3DSIO_IF,       "if",       NULL, 0, 1, NULL, shader_glsl_if,     WINED3DPS_VERSION(2,1), -1},
 151     {WINED3DSIO_IFC,      "ifc",      NULL, 0, 2, NULL, shader_glsl_ifc,    WINED3DPS_VERSION(2,1), -1},
 152     {WINED3DSIO_ELSE,     "else",     NULL, 0, 0, NULL, shader_glsl_else,   WINED3DPS_VERSION(2,1), -1},
 153     {WINED3DSIO_ENDIF,    "endif",    NULL, 0, 0, NULL, shader_glsl_end,    WINED3DPS_VERSION(2,1), -1},
 154     {WINED3DSIO_BREAK,    "break",    NULL, 0, 0, NULL, shader_glsl_break,  WINED3DPS_VERSION(2,1), -1},
 155     {WINED3DSIO_BREAKC,   "breakc",   NULL, 0, 2, NULL, shader_glsl_breakc, WINED3DPS_VERSION(2,1), -1},
 156     {WINED3DSIO_BREAKP,   "breakp",   GLNAME_REQUIRE_GLSL, 0, 1, NULL, NULL, 0, 0},
 157     {WINED3DSIO_CALL,     "call",     NULL, 0, 1, NULL, shader_glsl_call, WINED3DPS_VERSION(2,1), -1},
 158     {WINED3DSIO_CALLNZ,   "callnz",   NULL, 0, 2, NULL, shader_glsl_callnz, WINED3DPS_VERSION(2,1), -1},
 159     {WINED3DSIO_LOOP,     "loop",     NULL, 0, 2, NULL, shader_glsl_loop,   WINED3DPS_VERSION(3,0), -1},
 160     {WINED3DSIO_RET,      "ret",      NULL, 0, 0, NULL, NULL,               WINED3DPS_VERSION(2,1), -1},
 161     {WINED3DSIO_ENDLOOP,  "endloop",  NULL, 0, 0, NULL, shader_glsl_end,    WINED3DPS_VERSION(3,0), -1},
 162     {WINED3DSIO_LABEL,    "label",    NULL, 0, 1, NULL, shader_glsl_label,  WINED3DPS_VERSION(2,1), -1},
 163     /* Constant definitions */
 164     {WINED3DSIO_DEF,      "def",      "undefined",         1, 5, NULL, NULL, 0, 0},
 165     {WINED3DSIO_DEFB,     "defb",     GLNAME_REQUIRE_GLSL, 1, 2, NULL, NULL, 0, 0},
 166     {WINED3DSIO_DEFI,     "defi",     GLNAME_REQUIRE_GLSL, 1, 5, NULL, NULL, 0, 0},
 167     /* Texture */
 168     {WINED3DSIO_TEXCOORD, "texcoord", "undefined", 1, 1, pshader_hw_texcoord, pshader_glsl_texcoord, 0, WINED3DPS_VERSION(1,3)},
 169     {WINED3DSIO_TEXCOORD, "texcrd",   "undefined", 1, 2, pshader_hw_texcoord, pshader_glsl_texcoord, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 170     {WINED3DSIO_TEXKILL,  "texkill",  "KIL",       1, 1, pshader_hw_texkill, pshader_glsl_texkill, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(3,0)},
 171     {WINED3DSIO_TEX,      "tex",      "undefined", 1, 1, pshader_hw_tex, pshader_glsl_tex, 0, WINED3DPS_VERSION(1,3)},
 172     {WINED3DSIO_TEX,      "texld",    "undefined", 1, 2, pshader_hw_tex, pshader_glsl_tex, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 173     {WINED3DSIO_TEX,      "texld",    "undefined", 1, 3, pshader_hw_tex, pshader_glsl_tex, WINED3DPS_VERSION(2,0), -1},
 174     {WINED3DSIO_TEXBEM,   "texbem",   "undefined", 1, 2, pshader_hw_texbem, pshader_glsl_texbem, 0, WINED3DPS_VERSION(1,3)},
 175     {WINED3DSIO_TEXBEML,  "texbeml",  GLNAME_REQUIRE_GLSL, 1, 2, pshader_hw_texbem, pshader_glsl_texbem, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 176     {WINED3DSIO_TEXREG2AR,"texreg2ar","undefined", 1, 2, pshader_hw_texreg2ar, pshader_glsl_texreg2ar, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 177     {WINED3DSIO_TEXREG2GB,"texreg2gb","undefined", 1, 2, pshader_hw_texreg2gb, pshader_glsl_texreg2gb, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 178     {WINED3DSIO_TEXREG2RGB,   "texreg2rgb",   "undefined", 1, 2, pshader_hw_texreg2rgb, pshader_glsl_texreg2rgb, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 179     {WINED3DSIO_TEXM3x2PAD,   "texm3x2pad",   "undefined", 1, 2, pshader_hw_texm3x2pad, pshader_glsl_texm3x2pad, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 180     {WINED3DSIO_TEXM3x2TEX,   "texm3x2tex",   "undefined", 1, 2, pshader_hw_texm3x2tex, pshader_glsl_texm3x2tex, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 181     {WINED3DSIO_TEXM3x3PAD,   "texm3x3pad",   "undefined", 1, 2, pshader_hw_texm3x3pad, pshader_glsl_texm3x3pad, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 182     {WINED3DSIO_TEXM3x3DIFF,  "texm3x3diff",  GLNAME_REQUIRE_GLSL, 1, 2, NULL, NULL, WINED3DPS_VERSION(0,0), WINED3DPS_VERSION(0,0)},
 183     {WINED3DSIO_TEXM3x3SPEC,  "texm3x3spec",  "undefined", 1, 3, pshader_hw_texm3x3spec, pshader_glsl_texm3x3spec, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 184     {WINED3DSIO_TEXM3x3VSPEC, "texm3x3vspec",  "undefined", 1, 2, pshader_hw_texm3x3vspec, pshader_glsl_texm3x3vspec, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 185     {WINED3DSIO_TEXM3x3TEX,   "texm3x3tex",   "undefined", 1, 2, pshader_hw_texm3x3tex, pshader_glsl_texm3x3tex, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 186     {WINED3DSIO_TEXDP3TEX,    "texdp3tex",    NULL, 1, 2, pshader_hw_texdp3tex, pshader_glsl_texdp3tex, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 187     {WINED3DSIO_TEXM3x2DEPTH, "texm3x2depth", GLNAME_REQUIRE_GLSL, 1, 2, pshader_hw_texm3x2depth, pshader_glsl_texm3x2depth, WINED3DPS_VERSION(1,3), WINED3DPS_VERSION(1,3)},
 188     {WINED3DSIO_TEXDP3,   "texdp3",   NULL, 1, 2, pshader_hw_texdp3, pshader_glsl_texdp3, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 189     {WINED3DSIO_TEXM3x3,  "texm3x3",  NULL, 1, 2, pshader_hw_texm3x3, pshader_glsl_texm3x3, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 190     {WINED3DSIO_TEXDEPTH, "texdepth", NULL, 1, 1, pshader_hw_texdepth, pshader_glsl_texdepth, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 191     {WINED3DSIO_BEM,      "bem",      "undefined",         1, 3, pshader_hw_bem, pshader_glsl_bem, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 192     {WINED3DSIO_DSX,      "dsx",      NULL, 1, 2, NULL, shader_glsl_map2gl, WINED3DPS_VERSION(2,1), -1},
 193     {WINED3DSIO_DSY,      "dsy",      NULL, 1, 2, NULL, shader_glsl_map2gl, WINED3DPS_VERSION(2,1), -1},
 194     {WINED3DSIO_TEXLDD,   "texldd",   GLNAME_REQUIRE_GLSL, 1, 5, NULL, NULL, WINED3DPS_VERSION(2,1), -1},
 195     {WINED3DSIO_SETP,     "setp",     GLNAME_REQUIRE_GLSL, 1, 3, NULL, NULL, 0, 0},
 196     {WINED3DSIO_TEXLDL,   "texldl",   NULL, 1, 3, NULL, shader_glsl_texldl, WINED3DPS_VERSION(3,0), -1},
 197     {WINED3DSIO_PHASE,    "phase",    GLNAME_REQUIRE_GLSL, 0, 0, NULL, NULL, 0, 0},
 198     {0,               NULL,       NULL,   0, 0, NULL,            NULL, 0, 0}
 199 };
 200
 201 static void pshader_set_limits(
 202       IWineD3DPixelShaderImpl *This) {
 203
 204       This->baseShader.limits.attributes = 0;
 205       This->baseShader.limits.address = 0;
 206       This->baseShader.limits.packed_output = 0;
 207
 208       switch (This->baseShader.hex_version) {
 209           case WINED3DPS_VERSION(1,0):
 210           case WINED3DPS_VERSION(1,1):
 211           case WINED3DPS_VERSION(1,2):
 212           case WINED3DPS_VERSION(1,3):
 213                    This->baseShader.limits.temporary = 2;
 214                    This->baseShader.limits.constant_float = 8;
 215                    This->baseShader.limits.constant_int = 0;
 216                    This->baseShader.limits.constant_bool = 0;
 217                    This->baseShader.limits.texcoord = 4;
 218                    This->baseShader.limits.sampler = 4;
 219                    This->baseShader.limits.packed_input = 0;
 220                    This->baseShader.limits.label = 0;
 221                    break;
 222
 223           case WINED3DPS_VERSION(1,4):
 224                    This->baseShader.limits.temporary = 6;
 225                    This->baseShader.limits.constant_float = 8;
 226                    This->baseShader.limits.constant_int = 0;
 227                    This->baseShader.limits.constant_bool = 0;
 228                    This->baseShader.limits.texcoord = 6;
 229                    This->baseShader.limits.sampler = 6;
 230                    This->baseShader.limits.packed_input = 0;
 231                    This->baseShader.limits.label = 0;
 232                    break;
 233
 234           /* FIXME: temporaries must match D3DPSHADERCAPS2_0.NumTemps */
 235           case WINED3DPS_VERSION(2,0):
 236                    This->baseShader.limits.temporary = 32;
 237                    This->baseShader.limits.constant_float = 32;
 238                    This->baseShader.limits.constant_int = 16;
 239                    This->baseShader.limits.constant_bool = 16;
 240                    This->baseShader.limits.texcoord = 8;
 241                    This->baseShader.limits.sampler = 16;
 242                    This->baseShader.limits.packed_input = 0;
 243                    break;
 244
 245           case WINED3DPS_VERSION(2,1):
 246                    This->baseShader.limits.temporary = 32;
 247                    This->baseShader.limits.constant_float = 32;
 248                    This->baseShader.limits.constant_int = 16;
 249                    This->baseShader.limits.constant_bool = 16;
 250                    This->baseShader.limits.texcoord = 8;
 251                    This->baseShader.limits.sampler = 16;
 252                    This->baseShader.limits.packed_input = 0;
 253                    This->baseShader.limits.label = 16;
 254                    break;
 255
 256           case WINED3DPS_VERSION(3,0):
 257                    This->baseShader.limits.temporary = 32;
 258                    This->baseShader.limits.constant_float = 224;
 259                    This->baseShader.limits.constant_int = 16;
 260                    This->baseShader.limits.constant_bool = 16;
 261                    This->baseShader.limits.texcoord = 0;
 262                    This->baseShader.limits.sampler = 16;
 263                    This->baseShader.limits.packed_input = 12;
 264                    This->baseShader.limits.label = 16; /* FIXME: 2048 */
 265                    break;
 266
 267           default: This->baseShader.limits.temporary = 32;
 268                    This->baseShader.limits.constant_float = 32;
 269                    This->baseShader.limits.constant_int = 16;
 270                    This->baseShader.limits.constant_bool = 16;
 271                    This->baseShader.limits.texcoord = 8;
 272                    This->baseShader.limits.sampler = 16;
 273                    This->baseShader.limits.packed_input = 0;
 274                    This->baseShader.limits.label = 0;
 275                    FIXME("Unrecognized pixel shader version %#x\n",
 276                        This->baseShader.hex_version);
 277       }
 278 }
 279
 280 /** Generate a pixel shader string using either GL_FRAGMENT_PROGRAM_ARB
 281     or GLSL and send it to the card */
 282 static inline VOID IWineD3DPixelShaderImpl_GenerateShader(
 283     IWineD3DPixelShader *iface,
 284     shader_reg_maps* reg_maps,
 285     CONST DWORD *pFunction) {
 286
 287     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
 288     SHADER_BUFFER buffer;
 289
 290 #if 0 /* FIXME: Use the buffer that is held by the device, this is ok since fixups will be skipped for software shaders
 291         it also requires entering a critical section but cuts down the runtime footprint of wined3d and any memory fragmentation that may occur... */
 292     if (This->device->fixupVertexBufferSize < SHADER_PGMSIZE) {
 293         HeapFree(GetProcessHeap(), 0, This->fixupVertexBuffer);
 294         This->fixupVertexBuffer = HeapAlloc(GetProcessHeap() , 0, SHADER_PGMSIZE);
 295         This->fixupVertexBufferSize = PGMSIZE;
 296         This->fixupVertexBuffer[0] = 0;
 297     }
 298     buffer.buffer = This->device->fixupVertexBuffer;
 299 #else
 300     buffer.buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, SHADER_PGMSIZE);
 301 #endif
 302     buffer.bsize = 0;
 303     buffer.lineNo = 0;
 304     buffer.newline = TRUE;
 305
 306     if (This->baseShader.shader_mode == SHADER_GLSL) {
 307
 308         /* Create the hw GLSL shader object and assign it as the baseShader.prgId */
 309         GLhandleARB shader_obj = GL_EXTCALL(glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB));
 310
 311         if (GL_SUPPORT(ARB_DRAW_BUFFERS)) {
 312             shader_addline(&buffer, "#extension GL_ARB_draw_buffers : enable\n");
 313         }
 314
 315         /* Base Declarations */
 316         shader_generate_glsl_declarations( (IWineD3DBaseShader*) This, reg_maps, &buffer, &GLINFO_LOCATION);
 317
 318         /* Pack 3.0 inputs */
 319         if (This->baseShader.hex_version >= WINED3DPS_VERSION(3,0)) {
 320
 321             if(((IWineD3DDeviceImpl *) This->baseShader.device)->strided_streams.u.s.position_transformed) {
 322                 This->vertexprocessing = pretransformed;
 323                 pshader_glsl_input_pack(&buffer, This->semantics_in, iface);
 324             } else if(!use_vs((IWineD3DDeviceImpl *) This->baseShader.device)) {
 325                 This->vertexprocessing = fixedfunction;
 326                 pshader_glsl_input_pack(&buffer, This->semantics_in, iface);
 327             } else {
 328                 This->vertexprocessing = vertexshader;
 329             }
 330         }
 331
 332         /* Base Shader Body */
 333         shader_generate_main( (IWineD3DBaseShader*) This, &buffer, reg_maps, pFunction);
 334
 335         /* Pixel shaders < 2.0 place the resulting color in R0 implicitly */
 336         if (This->baseShader.hex_version < WINED3DPS_VERSION(2,0)) {
 337             /* Some older cards like GeforceFX ones don't support multiple buffers, so also not gl_FragData */
 338             if(GL_SUPPORT(ARB_DRAW_BUFFERS))
 339                 shader_addline(&buffer, "gl_FragData[0] = R0;\n");
 340             else
 341                 shader_addline(&buffer, "gl_FragColor = R0;\n");
 342         }
 343
 344         /* Pixel shader < 3.0 do not replace the fog stage.
 345          * This implements linear fog computation and blending.
 346          * TODO: non linear fog
 347          * NOTE: gl_Fog.start and gl_Fog.end don't hold fog start s and end e but
 348          * -1/(e-s) and e/(e-s) respectively.
 349          */
 350         if(This->baseShader.hex_version < WINED3DPS_VERSION(3,0)) {
 351             shader_addline(&buffer, "float Fog = clamp(gl_FogFragCoord * gl_Fog.start + gl_Fog.end, 0.0, 1.0);\n");
 352             if(GL_SUPPORT(ARB_DRAW_BUFFERS))
 353                 shader_addline(&buffer, "gl_FragData[0].xyz = mix(gl_Fog.color.xyz, gl_FragData[0].xyz, Fog);\n");
 354             else
 355                 shader_addline(&buffer, "gl_FragColor.xyz = mix(gl_Fog.color.xyz, gl_FragColor.xyz, Fog);\n");
 356         }
 357         if(This->srgb_enabled) {
 358             const char *fragcolor;
 359
 360             if(GL_SUPPORT(ARB_DRAW_BUFFERS)) {
 361                 fragcolor = "gl_FragData[0]";
 362             } else {
 363                 fragcolor = "gl_FragColor";
 364             }
 365             shader_addline(&buffer, "tmp0.xyz = pow(%s.xyz, vec3(%f, %f, %f)) * vec3(%f, %f, %f) - vec3(%f, %f, %f);\n",
 366                             fragcolor, srgb_pow, srgb_pow, srgb_pow, srgb_mul_high, srgb_mul_high, srgb_mul_high,
 367                             srgb_sub_high, srgb_sub_high, srgb_sub_high);
 368             shader_addline(&buffer, "tmp1.xyz = %s.xyz * srgb_mul_low.xyz;\n", fragcolor);
 369             shader_addline(&buffer, "%s.x = %s.x < srgb_comparison.x ? tmp1.x : tmp0.x;\n", fragcolor, fragcolor);
 370             shader_addline(&buffer, "%s.y = %s.y < srgb_comparison.y ? tmp1.y : tmp0.y;\n", fragcolor, fragcolor);
 371             shader_addline(&buffer, "%s.z = %s.z < srgb_comparison.z ? tmp1.z : tmp0.z;\n", fragcolor, fragcolor);
 372             shader_addline(&buffer, "%s = clamp(%s, 0.0, 1.0);\n", fragcolor, fragcolor);
 373         }
 374
 375         shader_addline(&buffer, "}\n");
 376
 377         TRACE("Compiling shader object %u\n", shader_obj);
 378         GL_EXTCALL(glShaderSourceARB(shader_obj, 1, (const char**)&buffer.buffer, NULL));
 379         GL_EXTCALL(glCompileShaderARB(shader_obj));
 380         print_glsl_info_log(&GLINFO_LOCATION, shader_obj);
 381
 382         /* Store the shader object */
 383         This->baseShader.prgId = shader_obj;
 384
 385     } else if (This->baseShader.shader_mode == SHADER_ARB) {
 386         /*  Create the hw ARB shader */
 387         shader_addline(&buffer, "!!ARBfp1.0\n");
 388
 389         shader_addline(&buffer, "TEMP TMP;\n");     /* Used in matrix ops */
 390         shader_addline(&buffer, "TEMP TMP2;\n");    /* Used in matrix ops */
 391         shader_addline(&buffer, "TEMP TA;\n");      /* Used for modifiers */
 392         shader_addline(&buffer, "TEMP TB;\n");      /* Used for modifiers */
 393         shader_addline(&buffer, "TEMP TC;\n");      /* Used for modifiers */
 394         shader_addline(&buffer, "PARAM coefdiv = { 0.5, 0.25, 0.125, 0.0625 };\n");
 395         shader_addline(&buffer, "PARAM coefmul = { 2, 4, 8, 16 };\n");
 396         shader_addline(&buffer, "PARAM one = { 1.0, 1.0, 1.0, 1.0 };\n");
 397
 398         /* Base Declarations */
 399         shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, &buffer, &GLINFO_LOCATION);
 400
 401         /* We need two variables for fog blending */
 402         shader_addline(&buffer, "TEMP TMP_FOG;\n");
 403         if (This->baseShader.hex_version >= WINED3DPS_VERSION(2,0)) {
 404             shader_addline(&buffer, "TEMP TMP_COLOR;\n");
 405         }
 406
 407         /* Base Shader Body */
 408         shader_generate_main( (IWineD3DBaseShader*) This, &buffer, reg_maps, pFunction);
 409
 410         /* calculate fog and blend it
 411          * NOTE: state.fog.params.y and state.fog.params.z don't hold fog start s and end e but
 412          * -1/(e-s) and e/(e-s) respectively.
 413          */
 414         shader_addline(&buffer, "MAD_SAT TMP_FOG, fragment.fogcoord, state.fog.params.y, state.fog.params.z;\n");
 415
 416         if(This->srgb_enabled) {
 417             if (This->baseShader.hex_version < WINED3DPS_VERSION(2,0)) {
 418                 shader_addline(&buffer, "LRP TMP_COLOR.rgb, TMP_FOG.x, R0, state.fog.color;\n");
 419                 shader_addline(&buffer, "MOV result.color.a, R0.a;\n");
 420             } else {
 421                 shader_addline(&buffer, "LRP TMP_COLOR.rgb, TMP_FOG.x, TMP_COLOR, state.fog.color;\n");
 422                 shader_addline(&buffer, "MOV result.color.a, TMP_COLOR.a;\n");
 423             }
 424             /* Perform sRGB write correction. See GLX_EXT_framebuffer_sRGB */
 425
 426             /* Calculate the > 0.0031308 case */
 427             shader_addline(&buffer, "POW TMP.x, TMP_COLOR.x, srgb_pow.x;\n");
 428             shader_addline(&buffer, "POW TMP.y, TMP_COLOR.y, srgb_pow.y;\n");
 429             shader_addline(&buffer, "POW TMP.z, TMP_COLOR.z, srgb_pow.z;\n");
 430             shader_addline(&buffer, "MUL TMP, TMP, srgb_mul_hi;\n");
 431             shader_addline(&buffer, "SUB TMP, TMP, srgb_sub_hi;\n");
 432             /* Calculate the < case */
 433             shader_addline(&buffer, "MUL TMP2, srgb_mul_low, TMP_COLOR;\n");
 434             /* Get 1.0 / 0.0 masks for > 0.0031308 and < 0.0031308 */
 435             shader_addline(&buffer, "SLT TA, srgb_comparison, TMP_COLOR;\n");
 436             shader_addline(&buffer, "SGE TB, srgb_comparison, TMP_COLOR;\n");
 437             /* Store the components > 0.0031308 in the destination */
 438             shader_addline(&buffer, "MUL TMP_COLOR, TMP, TA;\n");
 439             /* Add the components that are < 0.0031308 */
 440             shader_addline(&buffer, "MAD result.color.xyz, TMP2, TB, TMP_COLOR;\n");
 441             /* [0.0;1.0] clamping. Not needed, this is done implicitly */
 442         } else {
 443             if (This->baseShader.hex_version < WINED3DPS_VERSION(2,0)) {
 444                 shader_addline(&buffer, "LRP result.color.rgb, TMP_FOG.x, R0, state.fog.color;\n");
 445                 shader_addline(&buffer, "MOV result.color.a, R0.a;\n");
 446             } else {
 447                 shader_addline(&buffer, "LRP result.color.rgb, TMP_FOG.x, TMP_COLOR, state.fog.color;\n");
 448                 shader_addline(&buffer, "MOV result.color.a, TMP_COLOR.a;\n");
 449             }
 450         }
 451
 452         shader_addline(&buffer, "END\n");
 453
 454         /* TODO: change to resource.glObjectHandle or something like that */
 455         GL_EXTCALL(glGenProgramsARB(1, &This->baseShader.prgId));
 456
 457         TRACE("Creating a hw pixel shader, prg=%d\n", This->baseShader.prgId);
 458         GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, This->baseShader.prgId));
 459
 460         TRACE("Created hw pixel shader, prg=%d\n", This->baseShader.prgId);
 461         /* Create the program and check for errors */
 462         GL_EXTCALL(glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
 463             buffer.bsize, buffer.buffer));
 464
 465         if (glGetError() == GL_INVALID_OPERATION) {
 466             GLint errPos;
 467             glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errPos);
 468             FIXME("HW PixelShader Error at position %d: %s\n",
 469                   errPos, debugstr_a((const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)));
 470             This->baseShader.prgId = -1;
 471         }
 472     }
 473
 474     This->needsbumpmat = reg_maps->bumpmat;
 475
 476 #if 1 /* if were using the data buffer of device then we don't need to free it */
 477   HeapFree(GetProcessHeap(), 0, buffer.buffer);
 478 #endif
 479 }
 480
 481 static HRESULT WINAPI IWineD3DPixelShaderImpl_SetFunction(IWineD3DPixelShader *iface, CONST DWORD *pFunction) {
 482
 483     IWineD3DPixelShaderImpl *This =(IWineD3DPixelShaderImpl *)iface;
 484     IWineD3DDeviceImpl *deviceImpl = (IWineD3DDeviceImpl *) This->baseShader.device;
 485
 486     TRACE("(%p) : pFunction %p\n", iface, pFunction);
 487
 488     /* First pass: trace shader */
 489     shader_trace_init((IWineD3DBaseShader*) This, pFunction);
 490     pshader_set_limits(This);
 491
 492     /* Initialize immediate constant lists */
 493     list_init(&This->baseShader.constantsF);
 494     list_init(&This->baseShader.constantsB);
 495     list_init(&This->baseShader.constantsI);
 496
 497     if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) > 1) {
 498         shader_reg_maps *reg_maps = &This->baseShader.reg_maps;
 499         HRESULT hr;
 500         unsigned int i, j, highest_reg_used = 0, num_regs_used = 0;
 501
 502         /* Second pass: figure out which registers are used, what the semantics are, etc.. */
 503         memset(reg_maps, 0, sizeof(shader_reg_maps));
 504         hr = shader_get_registers_used((IWineD3DBaseShader*) This, reg_maps,
 505             This->semantics_in, NULL, pFunction, NULL);
 506         if (FAILED(hr)) return hr;
 507         /* FIXME: validate reg_maps against OpenGL */
 508
 509         for(i = 0; i < MAX_REG_INPUT; i++) {
 510             if(This->input_reg_used[i]) {
 511                 num_regs_used++;
 512                 highest_reg_used = i;
 513             }
 514         }
 515
 516         /* Don't do any register mapping magic if it is not needed, or if we can't
 517          * achive anything anyway
 518          */
 519         if(highest_reg_used < (GL_LIMITS(glsl_varyings) / 4) ||
 520            num_regs_used > (GL_LIMITS(glsl_varyings) / 4) ) {
 521             if(num_regs_used > (GL_LIMITS(glsl_varyings) / 4)) {
 522                 /* This happens with relative addressing. The input mapper function
 523                  * warns about this if the higher registers are declared too, so
 524                  * don't write a FIXME here
 525                  */
 526                 WARN("More varying registers used than supported\n");
 527             }
 528
 529             for(i = 0; i < MAX_REG_INPUT; i++) {
 530                 This->input_reg_map[i] = i;
 531             }
 532         } else {
 533             j = 0;
 534             for(i = 0; i < MAX_REG_INPUT; i++) {
 535                 if(This->input_reg_used[i]) {
 536                     This->input_reg_map[i] = j;
 537                     j++;
 538                 } else {
 539                     This->input_reg_map[i] = -1;
 540                 }
 541             }
 542         }
 543     }
 544     This->baseShader.load_local_constsF = FALSE;
 545
 546     This->baseShader.shader_mode = deviceImpl->ps_selected_mode;
 547
 548     TRACE("(%p) : Copying the function\n", This);
 549     if (NULL != pFunction) {
 550         void *function;
 551
 552         function = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->baseShader.functionLength);
 553         if (!function) return E_OUTOFMEMORY;
 554         memcpy(function, pFunction, This->baseShader.functionLength);
 555         This->baseShader.function = function;
 556     } else {
 557         This->baseShader.function = NULL;
 558     }
 559
 560     return WINED3D_OK;
 561 }
 562
 563 static HRESULT WINAPI IWineD3DPixelShaderImpl_CompileShader(IWineD3DPixelShader *iface) {
 564
 565     IWineD3DPixelShaderImpl *This =(IWineD3DPixelShaderImpl *)iface;
 566     IWineD3DDeviceImpl *deviceImpl = (IWineD3DDeviceImpl*) This->baseShader.device;
 567     CONST DWORD *function = This->baseShader.function;
 568     UINT i, sampler;
 569     IWineD3DBaseTextureImpl *texture;
 570
 571     TRACE("(%p) : function %p\n", iface, function);
 572
 573     /* We're already compiled, but check if any of the hardcoded stateblock assumptions
 574      * changed.
 575      */
 576     if (This->baseShader.is_compiled) {
 577         char srgbenabled = deviceImpl->stateBlock->renderState[WINED3DRS_SRGBWRITEENABLE] ? 1 : 0;
 578         for(i = 0; i < This->baseShader.num_sampled_samplers; i++) {
 579             sampler = This->baseShader.sampled_samplers[i];
 580             texture = (IWineD3DBaseTextureImpl *) deviceImpl->stateBlock->textures[sampler];
 581             if(texture && texture->baseTexture.shader_conversion_group != This->baseShader.sampled_format[sampler]) {
 582                 WARN("Recompiling shader %p due to format change on sampler %d\n", This, sampler);
 583                 WARN("Old format group %s, new is %s\n",
 584                      debug_d3dformat(This->baseShader.sampled_format[sampler]),
 585                      debug_d3dformat(texture->baseTexture.shader_conversion_group));
 586                 goto recompile;
 587             }
 588         }
 589
 590         /* TODO: Check projected textures */
 591         /* TODO: Check texture types(2D, Cube, 3D) */
 592
 593         if(srgbenabled != This->srgb_enabled && This->srgb_mode_hardcoded) {
 594             WARN("Recompiling shader because srgb correction is different and hardcoded\n");
 595             goto recompile;
 596         }
 597         if(This->baseShader.reg_maps.vpos && !This->vpos_uniform) {
 598             if(This->render_offscreen != deviceImpl->render_offscreen ||
 599                This->height != ((IWineD3DSurfaceImpl *) deviceImpl->render_targets[0])->currentDesc.Height) {
 600                 WARN("Recompiling shader because vpos is used, hard compiled and changed\n");
 601                 goto recompile;
 602             }
 603         }
 604         if(This->baseShader.reg_maps.usesdsy && !This->vpos_uniform) {
 605             if(This->render_offscreen ? 0 : 1 != deviceImpl->render_offscreen ? 0 : 1) {
 606                 WARN("Recompiling shader because dsy is used, hard compiled and render_offscreen changed\n");
 607                 goto recompile;
 608             }
 609         }
 610         if(This->baseShader.hex_version >= WINED3DPS_VERSION(3,0)) {
 611             if(((IWineD3DDeviceImpl *) This->baseShader.device)->strided_streams.u.s.position_transformed &&
 612                  This->vertexprocessing != pretransformed) {
 613                 WARN("Recompiling shader because pretransformed vertices are provided, which wasn't the case before\n");
 614                 goto recompile;
 615             } else if(!use_vs((IWineD3DDeviceImpl *) This->baseShader.device) &&
 616                        This->vertexprocessing != fixedfunction) {
 617                 WARN("Recompiling shader because fixed function vp is in use, which wasn't the case before\n");
 618                 goto recompile;
 619             } else if(This->vertexprocessing != vertexshader) {
 620                 WARN("Recompiling shader because vertex shaders are in use, which wasn't the case before\n");
 621                 goto recompile;
 622             }
 623         }
 624
 625         return WINED3D_OK;
 626
 627         recompile:
 628         if(This->baseShader.recompile_count > 50) {
 629             FIXME("Shader %p recompiled more than 50 times\n", This);
 630         } else {
 631             This->baseShader.recompile_count++;
 632         }
 633
 634         deviceImpl->shader_backend->shader_destroy((IWineD3DBaseShader *) iface);
 635     }
 636
 637     /* We don't need to compile */
 638     if (!function) {
 639         This->baseShader.is_compiled = TRUE;
 640         return WINED3D_OK;
 641     }
 642
 643     if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1) {
 644         shader_reg_maps *reg_maps = &This->baseShader.reg_maps;
 645         HRESULT hr;
 646
 647         /* Second pass: figure out which registers are used, what the semantics are, etc.. */
 648         memset(reg_maps, 0, sizeof(shader_reg_maps));
 649         hr = shader_get_registers_used((IWineD3DBaseShader*)This, reg_maps,
 650             This->semantics_in, NULL, This->baseShader.function, deviceImpl->stateBlock);
 651         if (FAILED(hr)) return hr;
 652         /* FIXME: validate reg_maps against OpenGL */
 653     }
 654
 655     /* Reset fields tracking stateblock values being hardcoded in the shader */
 656     This->baseShader.num_sampled_samplers = 0;
 657
 658     /* Generate the HW shader */
 659     TRACE("(%p) : Generating hardware program\n", This);
 660     IWineD3DPixelShaderImpl_GenerateShader(iface, &This->baseShader.reg_maps, function);
 661
 662     This->baseShader.is_compiled = TRUE;
 663
 664     return WINED3D_OK;
 665 }
 666
 667 const IWineD3DPixelShaderVtbl IWineD3DPixelShader_Vtbl =
 668 {
 669     /*** IUnknown methods ***/
 670     IWineD3DPixelShaderImpl_QueryInterface,
 671     IWineD3DPixelShaderImpl_AddRef,
 672     IWineD3DPixelShaderImpl_Release,
 673     /*** IWineD3DBase methods ***/
 674     IWineD3DPixelShaderImpl_GetParent,
 675     /*** IWineD3DBaseShader methods ***/
 676     IWineD3DPixelShaderImpl_SetFunction,
 677     IWineD3DPixelShaderImpl_CompileShader,
 678     /*** IWineD3DPixelShader methods ***/
 679     IWineD3DPixelShaderImpl_GetDevice,
 680     IWineD3DPixelShaderImpl_GetFunction
 681 };