dlls/d3dx9_36/shader.c

   1 /*
   2  * Copyright 2008 Luis Busquets
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20 #include "wine/port.h"
  21 #include "wine/debug.h"
  22 #include "wine/unicode.h"
  23 #include "windef.h"
  24 #include "wingdi.h"
  25 #include "d3dx9.h"
  26 #include "d3dx9_36_private.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
  29
  30 LPCSTR WINAPI D3DXGetPixelShaderProfile(LPDIRECT3DDEVICE9 device)
  31 {
  32     D3DCAPS9 caps;
  33
  34     TRACE("device %p\n", device);
  35
  36     if (!device) return NULL;
  37
  38     IDirect3DDevice9_GetDeviceCaps(device,&caps);
  39
  40     switch (caps.PixelShaderVersion)
  41     {
  42     case D3DPS_VERSION(1, 1):
  43         return "ps_1_1";
  44
  45     case D3DPS_VERSION(1, 2):
  46         return "ps_1_2";
  47
  48     case D3DPS_VERSION(1, 3):
  49         return "ps_1_3";
  50
  51     case D3DPS_VERSION(1, 4):
  52         return "ps_1_4";
  53
  54     case D3DPS_VERSION(2, 0):
  55         if ((caps.PS20Caps.NumTemps>=22)                          &&
  56             (caps.PS20Caps.Caps&D3DPS20CAPS_ARBITRARYSWIZZLE)     &&
  57             (caps.PS20Caps.Caps&D3DPS20CAPS_GRADIENTINSTRUCTIONS) &&
  58             (caps.PS20Caps.Caps&D3DPS20CAPS_PREDICATION)          &&
  59             (caps.PS20Caps.Caps&D3DPS20CAPS_NODEPENDENTREADLIMIT) &&
  60             (caps.PS20Caps.Caps&D3DPS20CAPS_NOTEXINSTRUCTIONLIMIT))
  61         {
  62             return "ps_2_a";
  63         }
  64         if ((caps.PS20Caps.NumTemps>=32)                          &&
  65             (caps.PS20Caps.Caps&D3DPS20CAPS_NOTEXINSTRUCTIONLIMIT))
  66         {
  67             return "ps_2_b";
  68         }
  69         return "ps_2_0";
  70
  71     case D3DPS_VERSION(3, 0):
  72         return "ps_3_0";
  73     }
  74
  75     return NULL;
  76 }
  77
  78 UINT WINAPI D3DXGetShaderSize(const DWORD *byte_code)
  79 {
  80     const DWORD *ptr = byte_code;
  81
  82     TRACE("byte_code %p\n", byte_code);
  83
  84     if (!ptr) return 0;
  85
  86     /* Look for the END token, skipping the VERSION token */
  87     while (*++ptr != D3DSIO_END)
  88     {
  89         /* Skip comments */
  90         if ((*ptr & D3DSI_OPCODE_MASK) == D3DSIO_COMMENT)
  91         {
  92             ptr += ((*ptr & D3DSI_COMMENTSIZE_MASK) >> D3DSI_COMMENTSIZE_SHIFT);
  93         }
  94     }
  95     ++ptr;
  96
  97     /* Return the shader size in bytes */
  98     return (ptr - byte_code) * sizeof(*ptr);
  99 }
 100
 101 DWORD WINAPI D3DXGetShaderVersion(const DWORD *byte_code)
 102 {
 103     TRACE("byte_code %p\n", byte_code);
 104
 105     return byte_code ? *byte_code : 0;
 106 }
 107
 108 LPCSTR WINAPI D3DXGetVertexShaderProfile(LPDIRECT3DDEVICE9 device)
 109 {
 110     D3DCAPS9 caps;
 111
 112     TRACE("device %p\n", device);
 113
 114     if (!device) return NULL;
 115
 116     IDirect3DDevice9_GetDeviceCaps(device,&caps);
 117
 118     switch (caps.VertexShaderVersion)
 119     {
 120     case D3DVS_VERSION(1, 1):
 121         return "vs_1_1";
 122     case D3DVS_VERSION(2, 0):
 123         if ((caps.VS20Caps.NumTemps>=13) &&
 124             (caps.VS20Caps.DynamicFlowControlDepth==24) &&
 125             (caps.VS20Caps.Caps&D3DPS20CAPS_PREDICATION))
 126         {
 127             return "vs_2_a";
 128         }
 129         return "vs_2_0";
 130     case D3DVS_VERSION(3, 0):
 131         return "vs_3_0";
 132     }
 133
 134     return NULL;
 135 }
 136
 137 HRESULT WINAPI D3DXAssembleShader(LPCSTR data,
 138                                   UINT data_len,
 139                                   CONST D3DXMACRO* defines,
 140                                   LPD3DXINCLUDE include,
 141                                   DWORD flags,
 142                                   LPD3DXBUFFER* shader,
 143                                   LPD3DXBUFFER* error_messages)
 144 {
 145     FIXME("stub\n");
 146     return D3DERR_INVALIDCALL;
 147 }
 148
 149 HRESULT WINAPI D3DXAssembleShaderFromFileA(LPCSTR filename,
 150                                            CONST D3DXMACRO* defines,
 151                                            LPD3DXINCLUDE include,
 152                                            DWORD flags,
 153                                            LPD3DXBUFFER* shader,
 154                                            LPD3DXBUFFER* error_messages)
 155 {
 156     LPWSTR filename_w = NULL;
 157     DWORD len;
 158     HRESULT ret;
 159
 160     if (!filename) return D3DXERR_INVALIDDATA;
 161
 162     len = MultiByteToWideChar(CP_ACP, 0, filename, -1, NULL, 0);
 163     filename_w = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 164     if (!filename_w) return E_OUTOFMEMORY;
 165     MultiByteToWideChar(CP_ACP, 0, filename, -1, filename_w, len);
 166
 167     ret = D3DXAssembleShaderFromFileW(filename_w, defines, include, flags, shader, error_messages);
 168
 169     HeapFree(GetProcessHeap(), 0, filename_w);
 170     return ret;
 171 }
 172
 173 HRESULT WINAPI D3DXAssembleShaderFromFileW(LPCWSTR filename,
 174                                            CONST D3DXMACRO* defines,
 175                                            LPD3DXINCLUDE include,
 176                                            DWORD flags,
 177                                            LPD3DXBUFFER* shader,
 178                                            LPD3DXBUFFER* error_messages)
 179 {
 180     FIXME("stub\n");
 181     return D3DERR_INVALIDCALL;
 182 }
 183
 184 HRESULT WINAPI D3DXAssembleShaderFromResourceA(HMODULE module,
 185                                                LPCSTR resource,
 186                                                CONST D3DXMACRO* defines,
 187                                                LPD3DXINCLUDE include,
 188                                                DWORD flags,
 189                                                LPD3DXBUFFER* shader,
 190                                                LPD3DXBUFFER* error_messages)
 191 {
 192     HRSRC res;
 193     LPCSTR buffer;
 194     DWORD len;
 195
 196     if (!(res = FindResourceA(module, resource, (LPCSTR)RT_RCDATA)))
 197         return D3DXERR_INVALIDDATA;
 198     if (FAILED(load_resource_into_memory(module, res, (LPVOID *)&buffer, &len)))
 199         return D3DXERR_INVALIDDATA;
 200     return D3DXAssembleShader(buffer, len, defines, include, flags,
 201                               shader, error_messages);
 202 }
 203
 204 HRESULT WINAPI D3DXAssembleShaderFromResourceW(HMODULE module,
 205                                                LPCWSTR resource,
 206                                                CONST D3DXMACRO* defines,
 207                                                LPD3DXINCLUDE include,
 208                                                DWORD flags,
 209                                                LPD3DXBUFFER* shader,
 210                                                LPD3DXBUFFER* error_messages)
 211 {
 212     HRSRC res;
 213     LPCSTR buffer;
 214     DWORD len;
 215
 216     if (!(res = FindResourceW(module, resource, (LPCWSTR)RT_RCDATA)))
 217         return D3DXERR_INVALIDDATA;
 218     if (FAILED(load_resource_into_memory(module, res, (LPVOID *)&buffer, &len)))
 219         return D3DXERR_INVALIDDATA;
 220     return D3DXAssembleShader(buffer, len, defines, include, flags,
 221                               shader, error_messages);
 222 }