dlls/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 ((IWineD3DImpl *)(((IWineD3DDeviceImpl *)This->baseShader.device)->wineD3D))->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    IWineD3DPixelShader IUnknown parts follow
  47    ******************************************* */
  48 static HRESULT  WINAPI IWineD3DPixelShaderImpl_QueryInterface(IWineD3DPixelShader *iface, REFIID riid, LPVOID *ppobj)
  49 {
  50     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
  51     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
  52     if (IsEqualGUID(riid, &IID_IUnknown)
  53         || IsEqualGUID(riid, &IID_IWineD3DBase)
  54         || IsEqualGUID(riid, &IID_IWineD3DBaseShader)
  55         || IsEqualGUID(riid, &IID_IWineD3DPixelShader)) {
  56         IUnknown_AddRef(iface);
  57         *ppobj = This;
  58         return S_OK;
  59     }
  60     *ppobj = NULL;
  61     return E_NOINTERFACE;
  62 }
  63
  64 static ULONG  WINAPI IWineD3DPixelShaderImpl_AddRef(IWineD3DPixelShader *iface) {
  65     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
  66     TRACE("(%p) : AddRef increasing from %d\n", This, This->ref);
  67     return InterlockedIncrement(&This->ref);
  68 }
  69
  70 static ULONG  WINAPI IWineD3DPixelShaderImpl_Release(IWineD3DPixelShader *iface) {
  71     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
  72     ULONG ref;
  73     TRACE("(%p) : Releasing from %d\n", This, This->ref);
  74     ref = InterlockedDecrement(&This->ref);
  75     if (ref == 0) {
  76         /* SetPixelShader does not AddRef. If the bound pixel shader is destroyed, the pointer in the stateblock remains
  77          * unchanged. Drawing again will most likely crash, even on windows. A problem can occur if the application creates
  78          * a new pixel shader which resides at the same address. Then SetPixelShader will think it is a NOP change, and won't
  79          * dirtify the state.
  80          *
  81          * Do NOT call GetPixelShader here. This will addRef and cause a recursion. And do NOT set the pixel shader to NULL,
  82          * Windows does not do that(Although no test exists since they'd crash randomly)
  83          */
  84         if(iface == ((IWineD3DDeviceImpl *) This->baseShader.device)->stateBlock->pixelShader) {
  85             IWineD3DDeviceImpl_MarkStateDirty((IWineD3DDeviceImpl *) This->baseShader.device, STATE_PIXELSHADER);
  86         }
  87
  88         if (This->baseShader.shader_mode == SHADER_GLSL && This->baseShader.prgId != 0) {
  89             struct list *linked_programs = &This->baseShader.linked_programs;
  90
  91             TRACE("Deleting linked programs\n");
  92             if (linked_programs->next) {
  93                 struct glsl_shader_prog_link *entry, *entry2;
  94                 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, linked_programs, struct glsl_shader_prog_link, pshader_entry) {
  95                     delete_glsl_program_entry(This->baseShader.device, entry);
  96                 }
  97             }
  98
  99             TRACE("Deleting shader object %u\n", This->baseShader.prgId);
 100             GL_EXTCALL(glDeleteObjectARB(This->baseShader.prgId));
 101             checkGLcall("glDeleteObjectARB");
 102         }
 103         shader_delete_constant_list(&This->baseShader.constantsF);
 104         shader_delete_constant_list(&This->baseShader.constantsB);
 105         shader_delete_constant_list(&This->baseShader.constantsI);
 106         HeapFree(GetProcessHeap(), 0, This);
 107     }
 108     return ref;
 109 }
 110
 111 /* *******************************************
 112    IWineD3DPixelShader IWineD3DPixelShader parts follow
 113    ******************************************* */
 114
 115 static HRESULT  WINAPI IWineD3DPixelShaderImpl_GetParent(IWineD3DPixelShader *iface, IUnknown** parent){
 116     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
 117
 118     *parent = This->parent;
 119     IUnknown_AddRef(*parent);
 120     TRACE("(%p) : returning %p\n", This, *parent);
 121     return WINED3D_OK;
 122 }
 123
 124 static HRESULT  WINAPI IWineD3DPixelShaderImpl_GetDevice(IWineD3DPixelShader* iface, IWineD3DDevice **pDevice){
 125     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
 126     IWineD3DDevice_AddRef(This->baseShader.device);
 127     *pDevice = This->baseShader.device;
 128     TRACE("(%p) returning %p\n", This, *pDevice);
 129     return WINED3D_OK;
 130 }
 131
 132
 133 static HRESULT  WINAPI IWineD3DPixelShaderImpl_GetFunction(IWineD3DPixelShader* impl, VOID* pData, UINT* pSizeOfData) {
 134   IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)impl;
 135   TRACE("(%p) : pData(%p), pSizeOfData(%p)\n", This, pData, pSizeOfData);
 136
 137   if (NULL == pData) {
 138     *pSizeOfData = This->baseShader.functionLength;
 139     return WINED3D_OK;
 140   }
 141   if (*pSizeOfData < This->baseShader.functionLength) {
 142     /* MSDN claims (for d3d8 at least) that if *pSizeOfData is smaller
 143      * than the required size we should write the required size and
 144      * return D3DERR_MOREDATA. That's not actually true. */
 145     return WINED3DERR_INVALIDCALL;
 146   }
 147   if (NULL == This->baseShader.function) { /* no function defined */
 148     TRACE("(%p) : GetFunction no User Function defined using NULL to %p\n", This, pData);
 149     (*(DWORD **) pData) = NULL;
 150   } else {
 151     if (This->baseShader.functionLength == 0) {
 152
 153     }
 154     TRACE("(%p) : GetFunction copying to %p\n", This, pData);
 155     memcpy(pData, This->baseShader.function, This->baseShader.functionLength);
 156   }
 157   return WINED3D_OK;
 158 }
 159
 160 CONST SHADER_OPCODE IWineD3DPixelShaderImpl_shader_ins[] = {
 161     /* Arithmethic */
 162     {WINED3DSIO_NOP,  "nop", "NOP", 0, 0, pshader_hw_map2gl, NULL, 0, 0},
 163     {WINED3DSIO_MOV,  "mov", "MOV", 1, 2, pshader_hw_map2gl, shader_glsl_mov, 0, 0},
 164     {WINED3DSIO_ADD,  "add", "ADD", 1, 3, pshader_hw_map2gl, shader_glsl_arith, 0, 0},
 165     {WINED3DSIO_SUB,  "sub", "SUB", 1, 3, pshader_hw_map2gl, shader_glsl_arith, 0, 0},
 166     {WINED3DSIO_MAD,  "mad", "MAD", 1, 4, pshader_hw_map2gl, shader_glsl_mad, 0, 0},
 167     {WINED3DSIO_MUL,  "mul", "MUL", 1, 3, pshader_hw_map2gl, shader_glsl_arith, 0, 0},
 168     {WINED3DSIO_RCP,  "rcp", "RCP",  1, 2, pshader_hw_map2gl, shader_glsl_rcp, 0, 0},
 169     {WINED3DSIO_RSQ,  "rsq",  "RSQ", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 170     {WINED3DSIO_DP3,  "dp3",  "DP3", 1, 3, pshader_hw_map2gl, shader_glsl_dot, 0, 0},
 171     {WINED3DSIO_DP4,  "dp4",  "DP4", 1, 3, pshader_hw_map2gl, shader_glsl_dot, 0, 0},
 172     {WINED3DSIO_MIN,  "min",  "MIN", 1, 3, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 173     {WINED3DSIO_MAX,  "max",  "MAX", 1, 3, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 174     {WINED3DSIO_SLT,  "slt",  "SLT", 1, 3, pshader_hw_map2gl, shader_glsl_compare, 0, 0},
 175     {WINED3DSIO_SGE,  "sge",  "SGE", 1, 3, pshader_hw_map2gl, shader_glsl_compare, 0, 0},
 176     {WINED3DSIO_ABS,  "abs",  "ABS", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 177     {WINED3DSIO_EXP,  "exp",  "EX2", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 178     {WINED3DSIO_LOG,  "log",  "LG2", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 179     {WINED3DSIO_EXPP, "expp", "EXP", 1, 2, pshader_hw_map2gl, shader_glsl_expp, 0, 0},
 180     {WINED3DSIO_LOGP, "logp", "LOG", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 181     {WINED3DSIO_DST,  "dst",  "DST", 1, 3, pshader_hw_map2gl, shader_glsl_dst, 0, 0},
 182     {WINED3DSIO_LRP,  "lrp",  "LRP", 1, 4, pshader_hw_map2gl, shader_glsl_lrp, 0, 0},
 183     {WINED3DSIO_FRC,  "frc",  "FRC", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 184     {WINED3DSIO_CND,  "cnd",  NULL, 1, 4, pshader_hw_cnd, shader_glsl_cnd, WINED3DPS_VERSION(1,1), WINED3DPS_VERSION(1,4)},
 185     {WINED3DSIO_CMP,  "cmp",  NULL, 1, 4, pshader_hw_cmp, shader_glsl_cmp, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(3,0)},
 186     {WINED3DSIO_POW,  "pow",  "POW", 1, 3, NULL, shader_glsl_map2gl, 0, 0},
 187     {WINED3DSIO_CRS,  "crs",  "XPS", 1, 3, NULL, shader_glsl_cross, 0, 0},
 188     /* TODO: xyz normalise can be performed as VS_ARB using one temporary register,
 189         DP3 tmp , vec, vec;
 190         RSQ tmp, tmp.x;
 191         MUL vec.xyz, vec, tmp;
 192     but I think this is better because it accounts for w properly.
 193         DP3 tmp , vec, vec;
 194         RSQ tmp, tmp.x;
 195         MUL vec, vec, tmp;
 196     */
 197     {WINED3DSIO_NRM,      "nrm",      NULL, 1, 2, NULL, shader_glsl_map2gl, 0, 0},
 198     {WINED3DSIO_SINCOS,   "sincos",   NULL, 1, 4, NULL, shader_glsl_sincos, WINED3DPS_VERSION(2,0), WINED3DPS_VERSION(2,1)},
 199     {WINED3DSIO_SINCOS,   "sincos",   NULL, 1, 2, NULL, shader_glsl_sincos, WINED3DPS_VERSION(3,0), -1},
 200     /* TODO: dp2add can be made out of multiple instuctions */
 201     {WINED3DSIO_DP2ADD,   "dp2add",   GLNAME_REQUIRE_GLSL,  1, 4, NULL, pshader_glsl_dp2add, WINED3DPS_VERSION(2,0), -1},
 202     /* Matrix */
 203     {WINED3DSIO_M4x4, "m4x4", "undefined", 1, 3, NULL, shader_glsl_mnxn, 0, 0},
 204     {WINED3DSIO_M4x3, "m4x3", "undefined", 1, 3, NULL, shader_glsl_mnxn, 0, 0},
 205     {WINED3DSIO_M3x4, "m3x4", "undefined", 1, 3, NULL, shader_glsl_mnxn, 0, 0},
 206     {WINED3DSIO_M3x3, "m3x3", "undefined", 1, 3, NULL, shader_glsl_mnxn, 0, 0},
 207     {WINED3DSIO_M3x2, "m3x2", "undefined", 1, 3, NULL, shader_glsl_mnxn, 0, 0},
 208     /* Register declarations */
 209     {WINED3DSIO_DCL,      "dcl",      NULL, 0, 2, NULL, NULL, 0, 0},
 210     /* Flow control - requires GLSL or software shaders */
 211     {WINED3DSIO_REP ,     "rep",      NULL, 0, 1, NULL, shader_glsl_rep,    WINED3DPS_VERSION(2,1), -1},
 212     {WINED3DSIO_ENDREP,   "endrep",   NULL, 0, 0, NULL, shader_glsl_end,    WINED3DPS_VERSION(2,1), -1},
 213     {WINED3DSIO_IF,       "if",       NULL, 0, 1, NULL, shader_glsl_if,     WINED3DPS_VERSION(2,1), -1},
 214     {WINED3DSIO_IFC,      "ifc",      NULL, 0, 2, NULL, shader_glsl_ifc,    WINED3DPS_VERSION(2,1), -1},
 215     {WINED3DSIO_ELSE,     "else",     NULL, 0, 0, NULL, shader_glsl_else,   WINED3DPS_VERSION(2,1), -1},
 216     {WINED3DSIO_ENDIF,    "endif",    NULL, 0, 0, NULL, shader_glsl_end,    WINED3DPS_VERSION(2,1), -1},
 217     {WINED3DSIO_BREAK,    "break",    NULL, 0, 0, NULL, shader_glsl_break,  WINED3DPS_VERSION(2,1), -1},
 218     {WINED3DSIO_BREAKC,   "breakc",   NULL, 0, 2, NULL, shader_glsl_breakc, WINED3DPS_VERSION(2,1), -1},
 219     {WINED3DSIO_BREAKP,   "breakp",   GLNAME_REQUIRE_GLSL, 0, 1, NULL, NULL, 0, 0},
 220     {WINED3DSIO_CALL,     "call",     NULL, 0, 1, NULL, shader_glsl_call, WINED3DPS_VERSION(2,1), -1},
 221     {WINED3DSIO_CALLNZ,   "callnz",   NULL, 0, 2, NULL, shader_glsl_callnz, WINED3DPS_VERSION(2,1), -1},
 222     {WINED3DSIO_LOOP,     "loop",     NULL, 0, 2, NULL, shader_glsl_loop,   WINED3DPS_VERSION(3,0), -1},
 223     {WINED3DSIO_RET,      "ret",      NULL, 0, 0, NULL, NULL,               WINED3DPS_VERSION(2,1), -1},
 224     {WINED3DSIO_ENDLOOP,  "endloop",  NULL, 0, 0, NULL, shader_glsl_end,    WINED3DPS_VERSION(3,0), -1},
 225     {WINED3DSIO_LABEL,    "label",    NULL, 0, 1, NULL, shader_glsl_label,  WINED3DPS_VERSION(2,1), -1},
 226     /* Constant definitions */
 227     {WINED3DSIO_DEF,      "def",      "undefined",         1, 5, NULL, NULL, 0, 0},
 228     {WINED3DSIO_DEFB,     "defb",     GLNAME_REQUIRE_GLSL, 1, 2, NULL, NULL, 0, 0},
 229     {WINED3DSIO_DEFI,     "defi",     GLNAME_REQUIRE_GLSL, 1, 5, NULL, NULL, 0, 0},
 230     /* Texture */
 231     {WINED3DSIO_TEXCOORD, "texcoord", "undefined", 1, 1, pshader_hw_texcoord, pshader_glsl_texcoord, 0, WINED3DPS_VERSION(1,3)},
 232     {WINED3DSIO_TEXCOORD, "texcrd",   "undefined", 1, 2, pshader_hw_texcoord, pshader_glsl_texcoord, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 233     {WINED3DSIO_TEXKILL,  "texkill",  "KIL",       1, 1, pshader_hw_map2gl, pshader_glsl_texkill, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(3,0)},
 234     {WINED3DSIO_TEX,      "tex",      "undefined", 1, 1, pshader_hw_tex, pshader_glsl_tex, 0, WINED3DPS_VERSION(1,3)},
 235     {WINED3DSIO_TEX,      "texld",    "undefined", 1, 2, pshader_hw_tex, pshader_glsl_tex, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 236     {WINED3DSIO_TEX,      "texld",    "undefined", 1, 3, pshader_hw_tex, pshader_glsl_tex, WINED3DPS_VERSION(2,0), -1},
 237     {WINED3DSIO_TEXBEM,   "texbem",   "undefined", 1, 2, pshader_hw_texbem, pshader_glsl_texbem, 0, WINED3DPS_VERSION(1,3)},
 238     {WINED3DSIO_TEXBEML,  "texbeml",  GLNAME_REQUIRE_GLSL, 1, 2, NULL, NULL, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 239     {WINED3DSIO_TEXREG2AR,"texreg2ar","undefined", 1, 2, pshader_hw_texreg2ar, pshader_glsl_texreg2ar, WINED3DPS_VERSION(1,1), WINED3DPS_VERSION(1,3)},
 240     {WINED3DSIO_TEXREG2GB,"texreg2gb","undefined", 1, 2, pshader_hw_texreg2gb, pshader_glsl_texreg2gb, WINED3DPS_VERSION(1,1), WINED3DPS_VERSION(1,3)},
 241     {WINED3DSIO_TEXREG2RGB,   "texreg2rgb",   GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texreg2rgb, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 242     {WINED3DSIO_TEXM3x2PAD,   "texm3x2pad",   "undefined", 1, 2, pshader_hw_texm3x2pad, pshader_glsl_texm3x2pad, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 243     {WINED3DSIO_TEXM3x2TEX,   "texm3x2tex",   "undefined", 1, 2, pshader_hw_texm3x2tex, pshader_glsl_texm3x2tex, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 244     {WINED3DSIO_TEXM3x3PAD,   "texm3x3pad",   "undefined", 1, 2, pshader_hw_texm3x3pad, pshader_glsl_texm3x3pad, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 245     {WINED3DSIO_TEXM3x3DIFF,  "texm3x3diff",  GLNAME_REQUIRE_GLSL, 1, 2, NULL, NULL, WINED3DPS_VERSION(0,0), WINED3DPS_VERSION(0,0)},
 246     {WINED3DSIO_TEXM3x3SPEC,  "texm3x3spec",  "undefined", 1, 3, pshader_hw_texm3x3spec, pshader_glsl_texm3x3spec, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 247     {WINED3DSIO_TEXM3x3VSPEC, "texm3x3vspec",  "undefined", 1, 2, pshader_hw_texm3x3vspec, pshader_glsl_texm3x3vspec, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 248     {WINED3DSIO_TEXM3x3TEX,   "texm3x3tex",   "undefined", 1, 2, pshader_hw_texm3x3tex, pshader_glsl_texm3x3tex, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 249     {WINED3DSIO_TEXDP3TEX,    "texdp3tex",    GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texdp3tex, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 250     {WINED3DSIO_TEXM3x2DEPTH, "texm3x2depth", GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texm3x2depth, WINED3DPS_VERSION(1,3), WINED3DPS_VERSION(1,3)},
 251     {WINED3DSIO_TEXDP3,   "texdp3",   GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texdp3, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 252     {WINED3DSIO_TEXM3x3,  "texm3x3",  GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texm3x3, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 253     {WINED3DSIO_TEXDEPTH, "texdepth", GLNAME_REQUIRE_GLSL, 1, 1, NULL, pshader_glsl_texdepth, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 254     {WINED3DSIO_BEM,      "bem",      "undefined",         1, 3, pshader_hw_bem, pshader_glsl_bem, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 255     {WINED3DSIO_DSX,      "dsx",      GLNAME_REQUIRE_GLSL, 1, 2, NULL, NULL, 0, 0},
 256     {WINED3DSIO_DSY,      "dsy",      GLNAME_REQUIRE_GLSL, 1, 2, NULL, NULL, 0, 0},
 257     {WINED3DSIO_TEXLDD,   "texldd",   GLNAME_REQUIRE_GLSL, 1, 5, NULL, NULL, WINED3DPS_VERSION(2,1), -1},
 258     {WINED3DSIO_SETP,     "setp",     GLNAME_REQUIRE_GLSL, 1, 3, NULL, NULL, 0, 0},
 259     {WINED3DSIO_TEXLDL,   "texldl",   GLNAME_REQUIRE_GLSL, 1, 3, NULL, NULL, 0, 0},
 260     {WINED3DSIO_PHASE,    "phase",    GLNAME_REQUIRE_GLSL, 0, 0, NULL, NULL, 0, 0},
 261     {0,               NULL,       NULL,   0, 0, NULL,            NULL, 0, 0}
 262 };
 263
 264 static void pshader_set_limits(
 265       IWineD3DPixelShaderImpl *This) {
 266
 267       This->baseShader.limits.attributes = 0;
 268       This->baseShader.limits.address = 0;
 269       This->baseShader.limits.packed_output = 0;
 270
 271       switch (This->baseShader.hex_version) {
 272           case WINED3DPS_VERSION(1,0):
 273           case WINED3DPS_VERSION(1,1):
 274           case WINED3DPS_VERSION(1,2):
 275           case WINED3DPS_VERSION(1,3):
 276                    This->baseShader.limits.temporary = 2;
 277                    This->baseShader.limits.constant_float = 8;
 278                    This->baseShader.limits.constant_int = 0;
 279                    This->baseShader.limits.constant_bool = 0;
 280                    This->baseShader.limits.texcoord = 4;
 281                    This->baseShader.limits.sampler = 4;
 282                    This->baseShader.limits.packed_input = 0;
 283                    This->baseShader.limits.label = 0;
 284                    break;
 285
 286           case WINED3DPS_VERSION(1,4):
 287                    This->baseShader.limits.temporary = 6;
 288                    This->baseShader.limits.constant_float = 8;
 289                    This->baseShader.limits.constant_int = 0;
 290                    This->baseShader.limits.constant_bool = 0;
 291                    This->baseShader.limits.texcoord = 6;
 292                    This->baseShader.limits.sampler = 6;
 293                    This->baseShader.limits.packed_input = 0;
 294                    This->baseShader.limits.label = 0;
 295                    break;
 296
 297           /* FIXME: temporaries must match D3DPSHADERCAPS2_0.NumTemps */
 298           case WINED3DPS_VERSION(2,0):
 299                    This->baseShader.limits.temporary = 32;
 300                    This->baseShader.limits.constant_float = 32;
 301                    This->baseShader.limits.constant_int = 16;
 302                    This->baseShader.limits.constant_bool = 16;
 303                    This->baseShader.limits.texcoord = 8;
 304                    This->baseShader.limits.sampler = 16;
 305                    This->baseShader.limits.packed_input = 0;
 306                    break;
 307
 308           case WINED3DPS_VERSION(2,1):
 309                    This->baseShader.limits.temporary = 32;
 310                    This->baseShader.limits.constant_float = 32;
 311                    This->baseShader.limits.constant_int = 16;
 312                    This->baseShader.limits.constant_bool = 16;
 313                    This->baseShader.limits.texcoord = 8;
 314                    This->baseShader.limits.sampler = 16;
 315                    This->baseShader.limits.packed_input = 0;
 316                    This->baseShader.limits.label = 16;
 317                    break;
 318
 319           case WINED3DPS_VERSION(3,0):
 320                    This->baseShader.limits.temporary = 32;
 321                    This->baseShader.limits.constant_float = 224;
 322                    This->baseShader.limits.constant_int = 16;
 323                    This->baseShader.limits.constant_bool = 16;
 324                    This->baseShader.limits.texcoord = 0;
 325                    This->baseShader.limits.sampler = 16;
 326                    This->baseShader.limits.packed_input = 12;
 327                    This->baseShader.limits.label = 16; /* FIXME: 2048 */
 328                    break;
 329
 330           default: This->baseShader.limits.temporary = 32;
 331                    This->baseShader.limits.constant_float = 32;
 332                    This->baseShader.limits.constant_int = 16;
 333                    This->baseShader.limits.constant_bool = 16;
 334                    This->baseShader.limits.texcoord = 8;
 335                    This->baseShader.limits.sampler = 16;
 336                    This->baseShader.limits.packed_input = 0;
 337                    This->baseShader.limits.label = 0;
 338                    FIXME("Unrecognized pixel shader version %#x\n",
 339                        This->baseShader.hex_version);
 340       }
 341 }
 342
 343 /** Generate a pixel shader string using either GL_FRAGMENT_PROGRAM_ARB
 344     or GLSL and send it to the card */
 345 static inline VOID IWineD3DPixelShaderImpl_GenerateShader(
 346     IWineD3DPixelShader *iface,
 347     shader_reg_maps* reg_maps,
 348     CONST DWORD *pFunction) {
 349
 350     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
 351     SHADER_BUFFER buffer;
 352
 353 #if 0 /* FIXME: Use the buffer that is held by the device, this is ok since fixups will be skipped for software shaders
 354         it also requires entering a critical section but cuts down the runtime footprint of wined3d and any memory fragmentation that may occur... */
 355     if (This->device->fixupVertexBufferSize < SHADER_PGMSIZE) {
 356         HeapFree(GetProcessHeap(), 0, This->fixupVertexBuffer);
 357         This->fixupVertexBuffer = HeapAlloc(GetProcessHeap() , 0, SHADER_PGMSIZE);
 358         This->fixupVertexBufferSize = PGMSIZE;
 359         This->fixupVertexBuffer[0] = 0;
 360     }
 361     buffer.buffer = This->device->fixupVertexBuffer;
 362 #else
 363     buffer.buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, SHADER_PGMSIZE);
 364 #endif
 365     buffer.bsize = 0;
 366     buffer.lineNo = 0;
 367     buffer.newline = TRUE;
 368
 369     if (This->baseShader.shader_mode == SHADER_GLSL) {
 370
 371         /* Create the hw GLSL shader object and assign it as the baseShader.prgId */
 372         GLhandleARB shader_obj = GL_EXTCALL(glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB));
 373
 374         if (GL_SUPPORT(ARB_DRAW_BUFFERS)) {
 375             shader_addline(&buffer, "#extension GL_ARB_draw_buffers : enable\n");
 376         }
 377
 378         /* Base Declarations */
 379         shader_generate_glsl_declarations( (IWineD3DBaseShader*) This, reg_maps, &buffer, &GLINFO_LOCATION);
 380
 381         /* Pack 3.0 inputs */
 382         if (This->baseShader.hex_version >= WINED3DPS_VERSION(3,0))
 383             pshader_glsl_input_pack(&buffer, This->semantics_in);
 384
 385         /* Base Shader Body */
 386         shader_generate_main( (IWineD3DBaseShader*) This, &buffer, reg_maps, pFunction);
 387
 388         /* Pixel shaders < 2.0 place the resulting color in R0 implicitly */
 389         if (This->baseShader.hex_version < WINED3DPS_VERSION(2,0)) {
 390             /* Some older cards like GeforceFX ones don't support multiple buffers, so also not gl_FragData */
 391             if(GL_SUPPORT(ARB_DRAW_BUFFERS))
 392                 shader_addline(&buffer, "gl_FragData[0] = R0;\n");
 393             else
 394                 shader_addline(&buffer, "gl_FragColor = R0;\n");
 395         }
 396
 397         /* Pixel shader < 3.0 do not replace the fog stage.
 398          * This implements linear fog computation and blending.
 399          * TODO: non linear fog
 400          * NOTE: gl_Fog.start and gl_Fog.end don't hold fog start s and end e but
 401          * -1/(e-s) and e/(e-s) respectively.
 402          */
 403         if(This->baseShader.hex_version < WINED3DPS_VERSION(3,0)) {
 404             shader_addline(&buffer, "float Fog = clamp(gl_FogFragCoord * gl_Fog.start + gl_Fog.end, 0.0, 1.0);\n");
 405             if(GL_SUPPORT(ARB_DRAW_BUFFERS))
 406                 shader_addline(&buffer, "gl_FragData[0].xyz = mix(gl_Fog.color.xyz, gl_FragData[0].xyz, Fog);\n");
 407             else
 408                 shader_addline(&buffer, "gl_FragColor.xyz = mix(gl_Fog.color.xyz, gl_FragColor.xyz, Fog);\n");
 409         }
 410
 411         shader_addline(&buffer, "}\n");
 412
 413         TRACE("Compiling shader object %u\n", shader_obj);
 414         GL_EXTCALL(glShaderSourceARB(shader_obj, 1, (const char**)&buffer.buffer, NULL));
 415         GL_EXTCALL(glCompileShaderARB(shader_obj));
 416         print_glsl_info_log(&GLINFO_LOCATION, shader_obj);
 417
 418         /* Store the shader object */
 419         This->baseShader.prgId = shader_obj;
 420
 421     } else if (This->baseShader.shader_mode == SHADER_ARB) {
 422         /*  Create the hw ARB shader */
 423         shader_addline(&buffer, "!!ARBfp1.0\n");
 424
 425         shader_addline(&buffer, "TEMP TMP;\n");     /* Used in matrix ops */
 426         shader_addline(&buffer, "TEMP TMP2;\n");    /* Used in matrix ops */
 427         shader_addline(&buffer, "TEMP TA;\n");      /* Used for modifiers */
 428         shader_addline(&buffer, "TEMP TB;\n");      /* Used for modifiers */
 429         shader_addline(&buffer, "TEMP TC;\n");      /* Used for modifiers */
 430         shader_addline(&buffer, "PARAM coefdiv = { 0.5, 0.25, 0.125, 0.0625 };\n");
 431         shader_addline(&buffer, "PARAM coefmul = { 2, 4, 8, 16 };\n");
 432         shader_addline(&buffer, "PARAM one = { 1.0, 1.0, 1.0, 1.0 };\n");
 433
 434         /* Base Declarations */
 435         shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, &buffer, &GLINFO_LOCATION);
 436
 437         /* We need two variables for fog blending */
 438         shader_addline(&buffer, "TEMP TMP_FOG;\n");
 439         if (This->baseShader.hex_version >= WINED3DPS_VERSION(2,0)) {
 440             shader_addline(&buffer, "TEMP TMP_COLOR;\n");
 441         }
 442
 443         /* Base Shader Body */
 444         shader_generate_main( (IWineD3DBaseShader*) This, &buffer, reg_maps, pFunction);
 445
 446         /* calculate fog and blend it
 447          * NOTE: state.fog.params.y and state.fog.params.z don't hold fog start s and end e but
 448          * -1/(e-s) and e/(e-s) respectively.
 449          */
 450         shader_addline(&buffer, "MAD_SAT TMP_FOG, fragment.fogcoord, state.fog.params.y, state.fog.params.z;\n");
 451         if (This->baseShader.hex_version < WINED3DPS_VERSION(2,0)) {
 452             shader_addline(&buffer, "LRP result.color.rgb, TMP_FOG.x, R0, state.fog.color;\n");
 453             shader_addline(&buffer, "MOV result.color.a, R0.a;\n");
 454         } else {
 455             shader_addline(&buffer, "LRP result.color.rgb, TMP_FOG.x, TMP_COLOR, state.fog.color;\n");
 456             shader_addline(&buffer, "MOV result.color.a, TMP_COLOR.a;\n");
 457         }
 458
 459         shader_addline(&buffer, "END\n");
 460
 461         /* TODO: change to resource.glObjectHandle or something like that */
 462         GL_EXTCALL(glGenProgramsARB(1, &This->baseShader.prgId));
 463
 464         TRACE("Creating a hw pixel shader, prg=%d\n", This->baseShader.prgId);
 465         GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, This->baseShader.prgId));
 466
 467         TRACE("Created hw pixel shader, prg=%d\n", This->baseShader.prgId);
 468         /* Create the program and check for errors */
 469         GL_EXTCALL(glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
 470             buffer.bsize, buffer.buffer));
 471
 472         if (glGetError() == GL_INVALID_OPERATION) {
 473             GLint errPos;
 474             glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errPos);
 475             FIXME("HW PixelShader Error at position %d: %s\n",
 476                   errPos, debugstr_a((const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)));
 477             This->baseShader.prgId = -1;
 478         }
 479     }
 480
 481     This->needsbumpmat = reg_maps->bumpmat;
 482
 483 #if 1 /* if were using the data buffer of device then we don't need to free it */
 484   HeapFree(GetProcessHeap(), 0, buffer.buffer);
 485 #endif
 486 }
 487
 488 static HRESULT WINAPI IWineD3DPixelShaderImpl_SetFunction(IWineD3DPixelShader *iface, CONST DWORD *pFunction) {
 489
 490     IWineD3DPixelShaderImpl *This =(IWineD3DPixelShaderImpl *)iface;
 491     IWineD3DDeviceImpl *deviceImpl = (IWineD3DDeviceImpl *) This->baseShader.device;
 492
 493     TRACE("(%p) : pFunction %p\n", iface, pFunction);
 494
 495     /* First pass: trace shader */
 496     shader_trace_init((IWineD3DBaseShader*) This, pFunction);
 497     pshader_set_limits(This);
 498
 499     /* Initialize immediate constant lists */
 500     list_init(&This->baseShader.constantsF);
 501     list_init(&This->baseShader.constantsB);
 502     list_init(&This->baseShader.constantsI);
 503
 504     This->baseShader.shader_mode = deviceImpl->ps_selected_mode;
 505
 506     TRACE("(%p) : Copying the function\n", This);
 507     if (NULL != pFunction) {
 508         void *function;
 509
 510         function = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->baseShader.functionLength);
 511         if (!function) return E_OUTOFMEMORY;
 512         memcpy(function, pFunction, This->baseShader.functionLength);
 513         This->baseShader.function = function;
 514     } else {
 515         This->baseShader.function = NULL;
 516     }
 517
 518     return WINED3D_OK;
 519 }
 520
 521 static HRESULT WINAPI IWineD3DPixelShaderImpl_CompileShader(IWineD3DPixelShader *iface) {
 522
 523     IWineD3DPixelShaderImpl *This =(IWineD3DPixelShaderImpl *)iface;
 524     IWineD3DDeviceImpl *deviceImpl = (IWineD3DDeviceImpl*) This->baseShader.device;
 525     CONST DWORD *function = This->baseShader.function;
 526     shader_reg_maps *reg_maps = &This->baseShader.reg_maps;
 527     HRESULT hr;
 528
 529     TRACE("(%p) : function %p\n", iface, function);
 530
 531     /* We're already compiled. */
 532     if (This->baseShader.is_compiled) return WINED3D_OK;
 533
 534     /* We don't need to compile */
 535     if (!function) {
 536         This->baseShader.is_compiled = TRUE;
 537         return WINED3D_OK;
 538     }
 539
 540     /* Second pass: figure out which registers are used, what the semantics are, etc.. */
 541     memset(reg_maps, 0, sizeof(shader_reg_maps));
 542     hr = shader_get_registers_used((IWineD3DBaseShader*) This, reg_maps,
 543         This->semantics_in, NULL, This->baseShader.function, deviceImpl->stateBlock);
 544     if (hr != WINED3D_OK) return hr;
 545     /* FIXME: validate reg_maps against OpenGL */
 546
 547     /* Generate the HW shader */
 548     TRACE("(%p) : Generating hardware program\n", This);
 549     IWineD3DPixelShaderImpl_GenerateShader(iface, &This->baseShader.reg_maps, function);
 550
 551     This->baseShader.is_compiled = TRUE;
 552
 553     return WINED3D_OK;
 554 }
 555
 556 const IWineD3DPixelShaderVtbl IWineD3DPixelShader_Vtbl =
 557 {
 558     /*** IUnknown methods ***/
 559     IWineD3DPixelShaderImpl_QueryInterface,
 560     IWineD3DPixelShaderImpl_AddRef,
 561     IWineD3DPixelShaderImpl_Release,
 562     /*** IWineD3DBase methods ***/
 563     IWineD3DPixelShaderImpl_GetParent,
 564     /*** IWineD3DBaseShader methods ***/
 565     IWineD3DPixelShaderImpl_SetFunction,
 566     IWineD3DPixelShaderImpl_CompileShader,
 567     /*** IWineD3DPixelShader methods ***/
 568     IWineD3DPixelShaderImpl_GetDevice,
 569     IWineD3DPixelShaderImpl_GetFunction
 570 };