git.oblomov.eu Git - wine/blob - 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 ((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    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 void destroy_glsl_pshader(IWineD3DPixelShaderImpl *This) {
  71     struct list *linked_programs = &This->baseShader.linked_programs;
  72
  73     TRACE("Deleting linked programs\n");
  74     if (linked_programs->next) {
  75         struct glsl_shader_prog_link *entry, *entry2;
  76         LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, linked_programs, struct glsl_shader_prog_link, pshader_entry) {
  77             delete_glsl_program_entry(This->baseShader.device, entry);
  78         }
  79     }
  80
  81     TRACE("Deleting shader object %u\n", This->baseShader.prgId);
  82     GL_EXTCALL(glDeleteObjectARB(This->baseShader.prgId));
  83     checkGLcall("glDeleteObjectARB");
  84 }
  85
  86 static ULONG  WINAPI IWineD3DPixelShaderImpl_Release(IWineD3DPixelShader *iface) {
  87     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
  88     ULONG ref;
  89     TRACE("(%p) : Releasing from %d\n", This, This->ref);
  90     ref = InterlockedDecrement(&This->ref);
  91     if (ref == 0) {
  92         if (This->baseShader.shader_mode == SHADER_GLSL && This->baseShader.prgId != 0) {
  93             destroy_glsl_pshader(This);
  94         }
  95         shader_delete_constant_list(&This->baseShader.constantsF);
  96         shader_delete_constant_list(&This->baseShader.constantsB);
  97         shader_delete_constant_list(&This->baseShader.constantsI);
  98         HeapFree(GetProcessHeap(), 0, This);
  99     }
 100     return ref;
 101 }
 102
 103 /* *******************************************
 104    IWineD3DPixelShader IWineD3DPixelShader parts follow
 105    ******************************************* */
 106
 107 static HRESULT  WINAPI IWineD3DPixelShaderImpl_GetParent(IWineD3DPixelShader *iface, IUnknown** parent){
 108     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
 109
 110     *parent = This->parent;
 111     IUnknown_AddRef(*parent);
 112     TRACE("(%p) : returning %p\n", This, *parent);
 113     return WINED3D_OK;
 114 }
 115
 116 static HRESULT  WINAPI IWineD3DPixelShaderImpl_GetDevice(IWineD3DPixelShader* iface, IWineD3DDevice **pDevice){
 117     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
 118     IWineD3DDevice_AddRef(This->baseShader.device);
 119     *pDevice = This->baseShader.device;
 120     TRACE("(%p) returning %p\n", This, *pDevice);
 121     return WINED3D_OK;
 122 }
 123
 124
 125 static HRESULT  WINAPI IWineD3DPixelShaderImpl_GetFunction(IWineD3DPixelShader* impl, VOID* pData, UINT* pSizeOfData) {
 126   IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)impl;
 127   TRACE("(%p) : pData(%p), pSizeOfData(%p)\n", This, pData, pSizeOfData);
 128
 129   if (NULL == pData) {
 130     *pSizeOfData = This->baseShader.functionLength;
 131     return WINED3D_OK;
 132   }
 133   if (*pSizeOfData < This->baseShader.functionLength) {
 134     /* MSDN claims (for d3d8 at least) that if *pSizeOfData is smaller
 135      * than the required size we should write the required size and
 136      * return D3DERR_MOREDATA. That's not actually true. */
 137     return WINED3DERR_INVALIDCALL;
 138   }
 139   if (NULL == This->baseShader.function) { /* no function defined */
 140     TRACE("(%p) : GetFunction no User Function defined using NULL to %p\n", This, pData);
 141     (*(DWORD **) pData) = NULL;
 142   } else {
 143     if (This->baseShader.functionLength == 0) {
 144
 145     }
 146     TRACE("(%p) : GetFunction copying to %p\n", This, pData);
 147     memcpy(pData, This->baseShader.function, This->baseShader.functionLength);
 148   }
 149   return WINED3D_OK;
 150 }
 151
 152 CONST SHADER_OPCODE IWineD3DPixelShaderImpl_shader_ins[] = {
 153     /* Arithmethic */
 154     {WINED3DSIO_NOP,  "nop", "NOP", 0, 0, pshader_hw_map2gl, NULL, 0, 0},
 155     {WINED3DSIO_MOV,  "mov", "MOV", 1, 2, pshader_hw_map2gl, shader_glsl_mov, 0, 0},
 156     {WINED3DSIO_ADD,  "add", "ADD", 1, 3, pshader_hw_map2gl, shader_glsl_arith, 0, 0},
 157     {WINED3DSIO_SUB,  "sub", "SUB", 1, 3, pshader_hw_map2gl, shader_glsl_arith, 0, 0},
 158     {WINED3DSIO_MAD,  "mad", "MAD", 1, 4, pshader_hw_map2gl, shader_glsl_mad, 0, 0},
 159     {WINED3DSIO_MUL,  "mul", "MUL", 1, 3, pshader_hw_map2gl, shader_glsl_arith, 0, 0},
 160     {WINED3DSIO_RCP,  "rcp", "RCP",  1, 2, pshader_hw_map2gl, shader_glsl_rcp, 0, 0},
 161     {WINED3DSIO_RSQ,  "rsq",  "RSQ", 1, 2, pshader_hw_map2gl, shader_glsl_rsq, 0, 0},
 162     {WINED3DSIO_DP3,  "dp3",  "DP3", 1, 3, pshader_hw_map2gl, shader_glsl_dot, 0, 0},
 163     {WINED3DSIO_DP4,  "dp4",  "DP4", 1, 3, pshader_hw_map2gl, shader_glsl_dot, 0, 0},
 164     {WINED3DSIO_MIN,  "min",  "MIN", 1, 3, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 165     {WINED3DSIO_MAX,  "max",  "MAX", 1, 3, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 166     {WINED3DSIO_SLT,  "slt",  "SLT", 1, 3, pshader_hw_map2gl, shader_glsl_compare, 0, 0},
 167     {WINED3DSIO_SGE,  "sge",  "SGE", 1, 3, pshader_hw_map2gl, shader_glsl_compare, 0, 0},
 168     {WINED3DSIO_ABS,  "abs",  "ABS", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 169     {WINED3DSIO_EXP,  "exp",  "EX2", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 170     {WINED3DSIO_LOG,  "log",  "LG2", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 171     {WINED3DSIO_EXPP, "expp", "EXP", 1, 2, pshader_hw_map2gl, shader_glsl_expp, 0, 0},
 172     {WINED3DSIO_LOGP, "logp", "LOG", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 173     {WINED3DSIO_DST,  "dst",  "DST", 1, 3, pshader_hw_map2gl, shader_glsl_dst, 0, 0},
 174     {WINED3DSIO_LRP,  "lrp",  "LRP", 1, 4, pshader_hw_map2gl, shader_glsl_lrp, 0, 0},
 175     {WINED3DSIO_FRC,  "frc",  "FRC", 1, 2, pshader_hw_map2gl, shader_glsl_map2gl, 0, 0},
 176     {WINED3DSIO_CND,  "cnd",  NULL, 1, 4, pshader_hw_cnd, shader_glsl_cnd, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,4)},
 177     {WINED3DSIO_CMP,  "cmp",  NULL, 1, 4, pshader_hw_cmp, shader_glsl_cmp, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(3,0)},
 178     {WINED3DSIO_POW,  "pow",  "POW", 1, 3, NULL, shader_glsl_pow, 0, 0},
 179     {WINED3DSIO_CRS,  "crs",  "XPS", 1, 3, NULL, shader_glsl_cross, 0, 0},
 180     /* TODO: xyz normalise can be performed as VS_ARB using one temporary register,
 181         DP3 tmp , vec, vec;
 182         RSQ tmp, tmp.x;
 183         MUL vec.xyz, vec, tmp;
 184     but I think this is better because it accounts for w properly.
 185         DP3 tmp , vec, vec;
 186         RSQ tmp, tmp.x;
 187         MUL vec, vec, tmp;
 188     */
 189     {WINED3DSIO_NRM,      "nrm",      NULL, 1, 2, NULL, shader_glsl_map2gl, 0, 0},
 190     {WINED3DSIO_SINCOS,   "sincos",   NULL, 1, 4, NULL, shader_glsl_sincos, WINED3DPS_VERSION(2,0), WINED3DPS_VERSION(2,1)},
 191     {WINED3DSIO_SINCOS,   "sincos",   NULL, 1, 2, NULL, shader_glsl_sincos, WINED3DPS_VERSION(3,0), -1},
 192     /* TODO: dp2add can be made out of multiple instuctions */
 193     {WINED3DSIO_DP2ADD,   "dp2add",   GLNAME_REQUIRE_GLSL,  1, 4, NULL, pshader_glsl_dp2add, WINED3DPS_VERSION(2,0), -1},
 194     /* Matrix */
 195     {WINED3DSIO_M4x4, "m4x4", "undefined", 1, 3, NULL, shader_glsl_mnxn, 0, 0},
 196     {WINED3DSIO_M4x3, "m4x3", "undefined", 1, 3, NULL, shader_glsl_mnxn, 0, 0},
 197     {WINED3DSIO_M3x4, "m3x4", "undefined", 1, 3, NULL, shader_glsl_mnxn, 0, 0},
 198     {WINED3DSIO_M3x3, "m3x3", "undefined", 1, 3, NULL, shader_glsl_mnxn, 0, 0},
 199     {WINED3DSIO_M3x2, "m3x2", "undefined", 1, 3, NULL, shader_glsl_mnxn, 0, 0},
 200     /* Register declarations */
 201     {WINED3DSIO_DCL,      "dcl",      NULL, 0, 2, NULL, NULL, 0, 0},
 202     /* Flow control - requires GLSL or software shaders */
 203     {WINED3DSIO_REP ,     "rep",      NULL, 0, 1, NULL, shader_glsl_rep,    WINED3DPS_VERSION(2,1), -1},
 204     {WINED3DSIO_ENDREP,   "endrep",   NULL, 0, 0, NULL, shader_glsl_end,    WINED3DPS_VERSION(2,1), -1},
 205     {WINED3DSIO_IF,       "if",       NULL, 0, 1, NULL, shader_glsl_if,     WINED3DPS_VERSION(2,1), -1},
 206     {WINED3DSIO_IFC,      "ifc",      NULL, 0, 2, NULL, shader_glsl_ifc,    WINED3DPS_VERSION(2,1), -1},
 207     {WINED3DSIO_ELSE,     "else",     NULL, 0, 0, NULL, shader_glsl_else,   WINED3DPS_VERSION(2,1), -1},
 208     {WINED3DSIO_ENDIF,    "endif",    NULL, 0, 0, NULL, shader_glsl_end,    WINED3DPS_VERSION(2,1), -1},
 209     {WINED3DSIO_BREAK,    "break",    NULL, 0, 0, NULL, shader_glsl_break,  WINED3DPS_VERSION(2,1), -1},
 210     {WINED3DSIO_BREAKC,   "breakc",   NULL, 0, 2, NULL, shader_glsl_breakc, WINED3DPS_VERSION(2,1), -1},
 211     {WINED3DSIO_BREAKP,   "breakp",   GLNAME_REQUIRE_GLSL, 0, 1, NULL, NULL, 0, 0},
 212     {WINED3DSIO_CALL,     "call",     NULL, 0, 1, NULL, shader_glsl_call, WINED3DPS_VERSION(2,1), -1},
 213     {WINED3DSIO_CALLNZ,   "callnz",   NULL, 0, 2, NULL, shader_glsl_callnz, WINED3DPS_VERSION(2,1), -1},
 214     {WINED3DSIO_LOOP,     "loop",     NULL, 0, 2, NULL, shader_glsl_loop,   WINED3DPS_VERSION(3,0), -1},
 215     {WINED3DSIO_RET,      "ret",      NULL, 0, 0, NULL, NULL,               WINED3DPS_VERSION(2,1), -1},
 216     {WINED3DSIO_ENDLOOP,  "endloop",  NULL, 0, 0, NULL, shader_glsl_end,    WINED3DPS_VERSION(3,0), -1},
 217     {WINED3DSIO_LABEL,    "label",    NULL, 0, 1, NULL, shader_glsl_label,  WINED3DPS_VERSION(2,1), -1},
 218     /* Constant definitions */
 219     {WINED3DSIO_DEF,      "def",      "undefined",         1, 5, NULL, NULL, 0, 0},
 220     {WINED3DSIO_DEFB,     "defb",     GLNAME_REQUIRE_GLSL, 1, 2, NULL, NULL, 0, 0},
 221     {WINED3DSIO_DEFI,     "defi",     GLNAME_REQUIRE_GLSL, 1, 5, NULL, NULL, 0, 0},
 222     /* Texture */
 223     {WINED3DSIO_TEXCOORD, "texcoord", "undefined", 1, 1, pshader_hw_texcoord, pshader_glsl_texcoord, 0, WINED3DPS_VERSION(1,3)},
 224     {WINED3DSIO_TEXCOORD, "texcrd",   "undefined", 1, 2, pshader_hw_texcoord, pshader_glsl_texcoord, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 225     {WINED3DSIO_TEXKILL,  "texkill",  "KIL",       1, 1, pshader_hw_texkill, pshader_glsl_texkill, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(3,0)},
 226     {WINED3DSIO_TEX,      "tex",      "undefined", 1, 1, pshader_hw_tex, pshader_glsl_tex, 0, WINED3DPS_VERSION(1,3)},
 227     {WINED3DSIO_TEX,      "texld",    "undefined", 1, 2, pshader_hw_tex, pshader_glsl_tex, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 228     {WINED3DSIO_TEX,      "texld",    "undefined", 1, 3, pshader_hw_tex, pshader_glsl_tex, WINED3DPS_VERSION(2,0), -1},
 229     {WINED3DSIO_TEXBEM,   "texbem",   "undefined", 1, 2, pshader_hw_texbem, pshader_glsl_texbem, 0, WINED3DPS_VERSION(1,3)},
 230     {WINED3DSIO_TEXBEML,  "texbeml",  GLNAME_REQUIRE_GLSL, 1, 2, pshader_hw_texbem, pshader_glsl_texbem, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 231     {WINED3DSIO_TEXREG2AR,"texreg2ar","undefined", 1, 2, pshader_hw_texreg2ar, pshader_glsl_texreg2ar, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 232     {WINED3DSIO_TEXREG2GB,"texreg2gb","undefined", 1, 2, pshader_hw_texreg2gb, pshader_glsl_texreg2gb, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 233     {WINED3DSIO_TEXREG2RGB,   "texreg2rgb",   GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texreg2rgb, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 234     {WINED3DSIO_TEXM3x2PAD,   "texm3x2pad",   "undefined", 1, 2, pshader_hw_texm3x2pad, pshader_glsl_texm3x2pad, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 235     {WINED3DSIO_TEXM3x2TEX,   "texm3x2tex",   "undefined", 1, 2, pshader_hw_texm3x2tex, pshader_glsl_texm3x2tex, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 236     {WINED3DSIO_TEXM3x3PAD,   "texm3x3pad",   "undefined", 1, 2, pshader_hw_texm3x3pad, pshader_glsl_texm3x3pad, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 237     {WINED3DSIO_TEXM3x3DIFF,  "texm3x3diff",  GLNAME_REQUIRE_GLSL, 1, 2, NULL, NULL, WINED3DPS_VERSION(0,0), WINED3DPS_VERSION(0,0)},
 238     {WINED3DSIO_TEXM3x3SPEC,  "texm3x3spec",  "undefined", 1, 3, pshader_hw_texm3x3spec, pshader_glsl_texm3x3spec, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 239     {WINED3DSIO_TEXM3x3VSPEC, "texm3x3vspec",  "undefined", 1, 2, pshader_hw_texm3x3vspec, pshader_glsl_texm3x3vspec, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 240     {WINED3DSIO_TEXM3x3TEX,   "texm3x3tex",   "undefined", 1, 2, pshader_hw_texm3x3tex, pshader_glsl_texm3x3tex, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
 241     {WINED3DSIO_TEXDP3TEX,    "texdp3tex",    GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texdp3tex, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 242     {WINED3DSIO_TEXM3x2DEPTH, "texm3x2depth", GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texm3x2depth, WINED3DPS_VERSION(1,3), WINED3DPS_VERSION(1,3)},
 243     {WINED3DSIO_TEXDP3,   "texdp3",   GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texdp3, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 244     {WINED3DSIO_TEXM3x3,  "texm3x3",  GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texm3x3, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
 245     {WINED3DSIO_TEXDEPTH, "texdepth", NULL, 1, 1, pshader_hw_texdepth, pshader_glsl_texdepth, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 246     {WINED3DSIO_BEM,      "bem",      "undefined",         1, 3, pshader_hw_bem, pshader_glsl_bem, WINED3DPS_VERSION(1,4), WINED3DPS_VERSION(1,4)},
 247     {WINED3DSIO_DSX,      "dsx",      NULL, 1, 2, NULL, shader_glsl_map2gl, WINED3DPS_VERSION(2,1), -1},
 248     {WINED3DSIO_DSY,      "dsy",      NULL, 1, 2, NULL, shader_glsl_map2gl, WINED3DPS_VERSION(2,1), -1},
 249     {WINED3DSIO_TEXLDD,   "texldd",   GLNAME_REQUIRE_GLSL, 1, 5, NULL, NULL, WINED3DPS_VERSION(2,1), -1},
 250     {WINED3DSIO_SETP,     "setp",     GLNAME_REQUIRE_GLSL, 1, 3, NULL, NULL, 0, 0},
 251     {WINED3DSIO_TEXLDL,   "texldl",   NULL, 1, 3, NULL, shader_glsl_texldl, WINED3DPS_VERSION(3,0), -1},
 252     {WINED3DSIO_PHASE,    "phase",    GLNAME_REQUIRE_GLSL, 0, 0, NULL, NULL, 0, 0},
 253     {0,               NULL,       NULL,   0, 0, NULL,            NULL, 0, 0}
 254 };
 255
 256 static void pshader_set_limits(
 257       IWineD3DPixelShaderImpl *This) {
 258
 259       This->baseShader.limits.attributes = 0;
 260       This->baseShader.limits.address = 0;
 261       This->baseShader.limits.packed_output = 0;
 262
 263       switch (This->baseShader.hex_version) {
 264           case WINED3DPS_VERSION(1,0):
 265           case WINED3DPS_VERSION(1,1):
 266           case WINED3DPS_VERSION(1,2):
 267           case WINED3DPS_VERSION(1,3):
 268                    This->baseShader.limits.temporary = 2;
 269                    This->baseShader.limits.constant_float = 8;
 270                    This->baseShader.limits.constant_int = 0;
 271                    This->baseShader.limits.constant_bool = 0;
 272                    This->baseShader.limits.texcoord = 4;
 273                    This->baseShader.limits.sampler = 4;
 274                    This->baseShader.limits.packed_input = 0;
 275                    This->baseShader.limits.label = 0;
 276                    break;
 277
 278           case WINED3DPS_VERSION(1,4):
 279                    This->baseShader.limits.temporary = 6;
 280                    This->baseShader.limits.constant_float = 8;
 281                    This->baseShader.limits.constant_int = 0;
 282                    This->baseShader.limits.constant_bool = 0;
 283                    This->baseShader.limits.texcoord = 6;
 284                    This->baseShader.limits.sampler = 6;
 285                    This->baseShader.limits.packed_input = 0;
 286                    This->baseShader.limits.label = 0;
 287                    break;
 288
 289           /* FIXME: temporaries must match D3DPSHADERCAPS2_0.NumTemps */
 290           case WINED3DPS_VERSION(2,0):
 291                    This->baseShader.limits.temporary = 32;
 292                    This->baseShader.limits.constant_float = 32;
 293                    This->baseShader.limits.constant_int = 16;
 294                    This->baseShader.limits.constant_bool = 16;
 295                    This->baseShader.limits.texcoord = 8;
 296                    This->baseShader.limits.sampler = 16;
 297                    This->baseShader.limits.packed_input = 0;
 298                    break;
 299
 300           case WINED3DPS_VERSION(2,1):
 301                    This->baseShader.limits.temporary = 32;
 302                    This->baseShader.limits.constant_float = 32;
 303                    This->baseShader.limits.constant_int = 16;
 304                    This->baseShader.limits.constant_bool = 16;
 305                    This->baseShader.limits.texcoord = 8;
 306                    This->baseShader.limits.sampler = 16;
 307                    This->baseShader.limits.packed_input = 0;
 308                    This->baseShader.limits.label = 16;
 309                    break;
 310
 311           case WINED3DPS_VERSION(3,0):
 312                    This->baseShader.limits.temporary = 32;
 313                    This->baseShader.limits.constant_float = 224;
 314                    This->baseShader.limits.constant_int = 16;
 315                    This->baseShader.limits.constant_bool = 16;
 316                    This->baseShader.limits.texcoord = 0;
 317                    This->baseShader.limits.sampler = 16;
 318                    This->baseShader.limits.packed_input = 12;
 319                    This->baseShader.limits.label = 16; /* FIXME: 2048 */
 320                    break;
 321
 322           default: This->baseShader.limits.temporary = 32;
 323                    This->baseShader.limits.constant_float = 32;
 324                    This->baseShader.limits.constant_int = 16;
 325                    This->baseShader.limits.constant_bool = 16;
 326                    This->baseShader.limits.texcoord = 8;
 327                    This->baseShader.limits.sampler = 16;
 328                    This->baseShader.limits.packed_input = 0;
 329                    This->baseShader.limits.label = 0;
 330                    FIXME("Unrecognized pixel shader version %#x\n",
 331                        This->baseShader.hex_version);
 332       }
 333 }
 334
 335 /** Generate a pixel shader string using either GL_FRAGMENT_PROGRAM_ARB
 336     or GLSL and send it to the card */
 337 static inline VOID IWineD3DPixelShaderImpl_GenerateShader(
 338     IWineD3DPixelShader *iface,
 339     shader_reg_maps* reg_maps,
 340     CONST DWORD *pFunction) {
 341
 342     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
 343     SHADER_BUFFER buffer;
 344
 345 #if 0 /* FIXME: Use the buffer that is held by the device, this is ok since fixups will be skipped for software shaders
 346         it also requires entering a critical section but cuts down the runtime footprint of wined3d and any memory fragmentation that may occur... */
 347     if (This->device->fixupVertexBufferSize < SHADER_PGMSIZE) {
 348         HeapFree(GetProcessHeap(), 0, This->fixupVertexBuffer);
 349         This->fixupVertexBuffer = HeapAlloc(GetProcessHeap() , 0, SHADER_PGMSIZE);
 350         This->fixupVertexBufferSize = PGMSIZE;
 351         This->fixupVertexBuffer[0] = 0;
 352     }
 353     buffer.buffer = This->device->fixupVertexBuffer;
 354 #else
 355     buffer.buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, SHADER_PGMSIZE);
 356 #endif
 357     buffer.bsize = 0;
 358     buffer.lineNo = 0;
 359     buffer.newline = TRUE;
 360
 361     if (This->baseShader.shader_mode == SHADER_GLSL) {
 362
 363         /* Create the hw GLSL shader object and assign it as the baseShader.prgId */
 364         GLhandleARB shader_obj = GL_EXTCALL(glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB));
 365
 366         if (GL_SUPPORT(ARB_DRAW_BUFFERS)) {
 367             shader_addline(&buffer, "#extension GL_ARB_draw_buffers : enable\n");
 368         }
 369
 370         /* Base Declarations */
 371         shader_generate_glsl_declarations( (IWineD3DBaseShader*) This, reg_maps, &buffer, &GLINFO_LOCATION);
 372
 373         /* Pack 3.0 inputs */
 374         if (This->baseShader.hex_version >= WINED3DPS_VERSION(3,0))
 375             pshader_glsl_input_pack(&buffer, This->semantics_in);
 376
 377         /* Base Shader Body */
 378         shader_generate_main( (IWineD3DBaseShader*) This, &buffer, reg_maps, pFunction);
 379
 380         /* Pixel shaders < 2.0 place the resulting color in R0 implicitly */
 381         if (This->baseShader.hex_version < WINED3DPS_VERSION(2,0)) {
 382             /* Some older cards like GeforceFX ones don't support multiple buffers, so also not gl_FragData */
 383             if(GL_SUPPORT(ARB_DRAW_BUFFERS))
 384                 shader_addline(&buffer, "gl_FragData[0] = R0;\n");
 385             else
 386                 shader_addline(&buffer, "gl_FragColor = R0;\n");
 387         }
 388
 389         /* Pixel shader < 3.0 do not replace the fog stage.
 390          * This implements linear fog computation and blending.
 391          * TODO: non linear fog
 392          * NOTE: gl_Fog.start and gl_Fog.end don't hold fog start s and end e but
 393          * -1/(e-s) and e/(e-s) respectively.
 394          */
 395         if(This->baseShader.hex_version < WINED3DPS_VERSION(3,0)) {
 396             shader_addline(&buffer, "float Fog = clamp(gl_FogFragCoord * gl_Fog.start + gl_Fog.end, 0.0, 1.0);\n");
 397             if(GL_SUPPORT(ARB_DRAW_BUFFERS))
 398                 shader_addline(&buffer, "gl_FragData[0].xyz = mix(gl_Fog.color.xyz, gl_FragData[0].xyz, Fog);\n");
 399             else
 400                 shader_addline(&buffer, "gl_FragColor.xyz = mix(gl_Fog.color.xyz, gl_FragColor.xyz, Fog);\n");
 401         }
 402         if(This->srgb_enabled) {
 403             const char *fragcolor;
 404
 405             if(GL_SUPPORT(ARB_DRAW_BUFFERS)) {
 406                 fragcolor = "gl_FragData[0]";
 407             } else {
 408                 fragcolor = "gl_FragColor";
 409             }
 410             shader_addline(&buffer, "tmp0.xyz = pow(%s.xyz, vec3(%f, %f, %f)) * vec3(%f, %f, %f) - vec3(%f, %f, %f);\n",
 411                             fragcolor, srgb_pow, srgb_pow, srgb_pow, srgb_mul_high, srgb_mul_high, srgb_mul_high,
 412                             srgb_sub_high, srgb_sub_high, srgb_sub_high);
 413             shader_addline(&buffer, "tmp1.xyz = %s.xyz * srgb_mul_low.xyz;\n", fragcolor);
 414             shader_addline(&buffer, "%s.x = %s.x < srgb_comparison.x ? tmp1.x : tmp0.x;\n", fragcolor, fragcolor);
 415             shader_addline(&buffer, "%s.y = %s.y < srgb_comparison.y ? tmp1.y : tmp0.y;\n", fragcolor, fragcolor);
 416             shader_addline(&buffer, "%s.z = %s.z < srgb_comparison.z ? tmp1.z : tmp0.z;\n", fragcolor, fragcolor);
 417             shader_addline(&buffer, "%s = clamp(%s, 0.0, 1.0);\n", fragcolor, fragcolor);
 418         }
 419
 420         shader_addline(&buffer, "}\n");
 421
 422         TRACE("Compiling shader object %u\n", shader_obj);
 423         GL_EXTCALL(glShaderSourceARB(shader_obj, 1, (const char**)&buffer.buffer, NULL));
 424         GL_EXTCALL(glCompileShaderARB(shader_obj));
 425         print_glsl_info_log(&GLINFO_LOCATION, shader_obj);
 426
 427         /* Store the shader object */
 428         This->baseShader.prgId = shader_obj;
 429
 430     } else if (This->baseShader.shader_mode == SHADER_ARB) {
 431         /*  Create the hw ARB shader */
 432         shader_addline(&buffer, "!!ARBfp1.0\n");
 433
 434         shader_addline(&buffer, "TEMP TMP;\n");     /* Used in matrix ops */
 435         shader_addline(&buffer, "TEMP TMP2;\n");    /* Used in matrix ops */
 436         shader_addline(&buffer, "TEMP TA;\n");      /* Used for modifiers */
 437         shader_addline(&buffer, "TEMP TB;\n");      /* Used for modifiers */
 438         shader_addline(&buffer, "TEMP TC;\n");      /* Used for modifiers */
 439         shader_addline(&buffer, "PARAM coefdiv = { 0.5, 0.25, 0.125, 0.0625 };\n");
 440         shader_addline(&buffer, "PARAM coefmul = { 2, 4, 8, 16 };\n");
 441         shader_addline(&buffer, "PARAM one = { 1.0, 1.0, 1.0, 1.0 };\n");
 442
 443         /* Base Declarations */
 444         shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, &buffer, &GLINFO_LOCATION);
 445
 446         /* We need two variables for fog blending */
 447         shader_addline(&buffer, "TEMP TMP_FOG;\n");
 448         if (This->baseShader.hex_version >= WINED3DPS_VERSION(2,0)) {
 449             shader_addline(&buffer, "TEMP TMP_COLOR;\n");
 450         }
 451
 452         /* Base Shader Body */
 453         shader_generate_main( (IWineD3DBaseShader*) This, &buffer, reg_maps, pFunction);
 454
 455         /* calculate fog and blend it
 456          * NOTE: state.fog.params.y and state.fog.params.z don't hold fog start s and end e but
 457          * -1/(e-s) and e/(e-s) respectively.
 458          */
 459         shader_addline(&buffer, "MAD_SAT TMP_FOG, fragment.fogcoord, state.fog.params.y, state.fog.params.z;\n");
 460
 461         if(This->srgb_enabled) {
 462             if (This->baseShader.hex_version < WINED3DPS_VERSION(2,0)) {
 463                 shader_addline(&buffer, "LRP TMP_COLOR.rgb, TMP_FOG.x, R0, state.fog.color;\n");
 464                 shader_addline(&buffer, "MOV result.color.a, R0.a;\n");
 465             } else {
 466                 shader_addline(&buffer, "LRP TMP_COLOR.rgb, TMP_FOG.x, TMP_COLOR, state.fog.color;\n");
 467                 shader_addline(&buffer, "MOV result.color.a, TMP_COLOR.a;\n");
 468             }
 469             /* Perform sRGB write correction. See GLX_EXT_framebuffer_sRGB */
 470
 471             /* Calculate the > 0.0031308 case */
 472             shader_addline(&buffer, "POW TMP.x, TMP_COLOR.x, srgb_pow.x;\n");
 473             shader_addline(&buffer, "POW TMP.y, TMP_COLOR.y, srgb_pow.y;\n");
 474             shader_addline(&buffer, "POW TMP.z, TMP_COLOR.z, srgb_pow.z;\n");
 475             shader_addline(&buffer, "MUL TMP, TMP, srgb_mul_hi;\n");
 476             shader_addline(&buffer, "SUB TMP, TMP, srgb_sub_hi;\n");
 477             /* Calculate the < case */
 478             shader_addline(&buffer, "MUL TMP2, srgb_mul_low, TMP_COLOR;\n");
 479             /* Get 1.0 / 0.0 masks for > 0.0031308 and < 0.0031308 */
 480             shader_addline(&buffer, "SLT TA, srgb_comparison, TMP_COLOR;\n");
 481             shader_addline(&buffer, "SGE TB, srgb_comparison, TMP_COLOR;\n");
 482             /* Store the components > 0.0031308 in the destination */
 483             shader_addline(&buffer, "MUL TMP_COLOR, TMP, TA;\n");
 484             /* Add the components that are < 0.0031308 */
 485             shader_addline(&buffer, "MAD result.color.xyz, TMP2, TB, TMP_COLOR;\n");
 486             /* [0.0;1.0] clamping. Not needed, this is done implicitly */
 487         } else {
 488             if (This->baseShader.hex_version < WINED3DPS_VERSION(2,0)) {
 489                 shader_addline(&buffer, "LRP result.color.rgb, TMP_FOG.x, R0, state.fog.color;\n");
 490                 shader_addline(&buffer, "MOV result.color.a, R0.a;\n");
 491             } else {
 492                 shader_addline(&buffer, "LRP result.color.rgb, TMP_FOG.x, TMP_COLOR, state.fog.color;\n");
 493                 shader_addline(&buffer, "MOV result.color.a, TMP_COLOR.a;\n");
 494             }
 495         }
 496
 497         shader_addline(&buffer, "END\n");
 498
 499         /* TODO: change to resource.glObjectHandle or something like that */
 500         GL_EXTCALL(glGenProgramsARB(1, &This->baseShader.prgId));
 501
 502         TRACE("Creating a hw pixel shader, prg=%d\n", This->baseShader.prgId);
 503         GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, This->baseShader.prgId));
 504
 505         TRACE("Created hw pixel shader, prg=%d\n", This->baseShader.prgId);
 506         /* Create the program and check for errors */
 507         GL_EXTCALL(glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
 508             buffer.bsize, buffer.buffer));
 509
 510         if (glGetError() == GL_INVALID_OPERATION) {
 511             GLint errPos;
 512             glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errPos);
 513             FIXME("HW PixelShader Error at position %d: %s\n",
 514                   errPos, debugstr_a((const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)));
 515             This->baseShader.prgId = -1;
 516         }
 517     }
 518
 519     This->needsbumpmat = reg_maps->bumpmat;
 520
 521 #if 1 /* if were using the data buffer of device then we don't need to free it */
 522   HeapFree(GetProcessHeap(), 0, buffer.buffer);
 523 #endif
 524 }
 525
 526 static HRESULT WINAPI IWineD3DPixelShaderImpl_SetFunction(IWineD3DPixelShader *iface, CONST DWORD *pFunction) {
 527
 528     IWineD3DPixelShaderImpl *This =(IWineD3DPixelShaderImpl *)iface;
 529     IWineD3DDeviceImpl *deviceImpl = (IWineD3DDeviceImpl *) This->baseShader.device;
 530
 531     TRACE("(%p) : pFunction %p\n", iface, pFunction);
 532
 533     /* First pass: trace shader */
 534     shader_trace_init((IWineD3DBaseShader*) This, pFunction);
 535     pshader_set_limits(This);
 536
 537     /* Initialize immediate constant lists */
 538     list_init(&This->baseShader.constantsF);
 539     list_init(&This->baseShader.constantsB);
 540     list_init(&This->baseShader.constantsI);
 541
 542     if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) > 1) {
 543         shader_reg_maps *reg_maps = &This->baseShader.reg_maps;
 544         HRESULT hr;
 545
 546         /* Second pass: figure out which registers are used, what the semantics are, etc.. */
 547         memset(reg_maps, 0, sizeof(shader_reg_maps));
 548         hr = shader_get_registers_used((IWineD3DBaseShader*) This, reg_maps,
 549             This->semantics_in, NULL, pFunction, NULL);
 550         if (FAILED(hr)) return hr;
 551         /* FIXME: validate reg_maps against OpenGL */
 552     }
 553
 554     This->baseShader.shader_mode = deviceImpl->ps_selected_mode;
 555
 556     TRACE("(%p) : Copying the function\n", This);
 557     if (NULL != pFunction) {
 558         void *function;
 559
 560         function = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->baseShader.functionLength);
 561         if (!function) return E_OUTOFMEMORY;
 562         memcpy(function, pFunction, This->baseShader.functionLength);
 563         This->baseShader.function = function;
 564     } else {
 565         This->baseShader.function = NULL;
 566     }
 567
 568     return WINED3D_OK;
 569 }
 570
 571 static HRESULT WINAPI IWineD3DPixelShaderImpl_CompileShader(IWineD3DPixelShader *iface) {
 572
 573     IWineD3DPixelShaderImpl *This =(IWineD3DPixelShaderImpl *)iface;
 574     IWineD3DDeviceImpl *deviceImpl = (IWineD3DDeviceImpl*) This->baseShader.device;
 575     CONST DWORD *function = This->baseShader.function;
 576     UINT i, sampler;
 577     IWineD3DBaseTextureImpl *texture;
 578
 579     TRACE("(%p) : function %p\n", iface, function);
 580
 581     /* We're already compiled, but check if any of the hardcoded stateblock assumptions
 582      * changed.
 583      */
 584     if (This->baseShader.is_compiled) {
 585         char srgbenabled = deviceImpl->stateBlock->renderState[WINED3DRS_SRGBWRITEENABLE] ? 1 : 0;
 586         for(i = 0; i < This->baseShader.num_sampled_samplers; i++) {
 587             sampler = This->baseShader.sampled_samplers[i];
 588             texture = (IWineD3DBaseTextureImpl *) deviceImpl->stateBlock->textures[sampler];
 589             if(texture && texture->baseTexture.shader_conversion_group != This->baseShader.sampled_format[sampler]) {
 590                 WARN("Recompiling shader %p due to format change on sampler %d\n", This, sampler);
 591                 WARN("Old format group %s, new is %s\n",
 592                      debug_d3dformat(This->baseShader.sampled_format[sampler]),
 593                      debug_d3dformat(texture->baseTexture.shader_conversion_group));
 594                 goto recompile;
 595             }
 596         }
 597
 598         /* TODO: Check projected textures */
 599         /* TODO: Check texture types(2D, Cube, 3D) */
 600
 601         if(srgbenabled != This->srgb_enabled && This->srgb_mode_hardcoded) {
 602             WARN("Recompiling shader because srgb correction is different and hardcoded\n");
 603             goto recompile;
 604         }
 605
 606         return WINED3D_OK;
 607
 608         recompile:
 609         if(This->baseShader.recompile_count > 50) {
 610             FIXME("Shader %p recompiled more than 50 times\n", This);
 611         } else {
 612             This->baseShader.recompile_count++;
 613         }
 614
 615         if (This->baseShader.shader_mode == SHADER_GLSL && This->baseShader.prgId != 0) {
 616             destroy_glsl_pshader(This);
 617         }
 618     }
 619
 620     /* We don't need to compile */
 621     if (!function) {
 622         This->baseShader.is_compiled = TRUE;
 623         return WINED3D_OK;
 624     }
 625
 626     if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1) {
 627         shader_reg_maps *reg_maps = &This->baseShader.reg_maps;
 628         HRESULT hr;
 629
 630         /* Second pass: figure out which registers are used, what the semantics are, etc.. */
 631         memset(reg_maps, 0, sizeof(shader_reg_maps));
 632         hr = shader_get_registers_used((IWineD3DBaseShader*)This, reg_maps,
 633             This->semantics_in, NULL, This->baseShader.function, deviceImpl->stateBlock);
 634         if (FAILED(hr)) return hr;
 635         /* FIXME: validate reg_maps against OpenGL */
 636     }
 637
 638     /* Reset fields tracking stateblock values beeing hardcoded in the shader */
 639     This->baseShader.num_sampled_samplers = 0;
 640
 641     /* Generate the HW shader */
 642     TRACE("(%p) : Generating hardware program\n", This);
 643     IWineD3DPixelShaderImpl_GenerateShader(iface, &This->baseShader.reg_maps, function);
 644
 645     This->baseShader.is_compiled = TRUE;
 646
 647     return WINED3D_OK;
 648 }
 649
 650 const IWineD3DPixelShaderVtbl IWineD3DPixelShader_Vtbl =
 651 {
 652     /*** IUnknown methods ***/
 653     IWineD3DPixelShaderImpl_QueryInterface,
 654     IWineD3DPixelShaderImpl_AddRef,
 655     IWineD3DPixelShaderImpl_Release,
 656     /*** IWineD3DBase methods ***/
 657     IWineD3DPixelShaderImpl_GetParent,
 658     /*** IWineD3DBaseShader methods ***/
 659     IWineD3DPixelShaderImpl_SetFunction,
 660     IWineD3DPixelShaderImpl_CompileShader,
 661     /*** IWineD3DPixelShader methods ***/
 662     IWineD3DPixelShaderImpl_GetDevice,
 663     IWineD3DPixelShaderImpl_GetFunction
 664 };