src/mesa/drivers/windows/gldirect/gld_driver.c

   1 /****************************************************************************
   2 *
   3 *                        Mesa 3-D graphics library
   4 *                        Direct3D Driver Interface
   5 *
   6 *  ========================================================================
   7 *
   8 *   Copyright (C) 1991-2004 SciTech Software, Inc. All rights reserved.
   9 *
  10 *   Permission is hereby granted, free of charge, to any person obtaining a
  11 *   copy of this software and associated documentation files (the "Software"),
  12 *   to deal in the Software without restriction, including without limitation
  13 *   the rights to use, copy, modify, merge, publish, distribute, sublicense,
  14 *   and/or sell copies of the Software, and to permit persons to whom the
  15 *   Software is furnished to do so, subject to the following conditions:
  16 *
  17 *   The above copyright notice and this permission notice shall be included
  18 *   in all copies or substantial portions of the Software.
  19 *
  20 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21 *   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22 *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  23 *   SCITECH SOFTWARE INC BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  24 *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  25 *   OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  26 *   SOFTWARE.
  27 *
  28 *  ======================================================================
  29 *
  30 * Language:     ANSI C
  31 * Environment:  Windows 9x/2000/XP/XBox (Win32)
  32 *
  33 * Description:  Driver functions and interfaces
  34 *
  35 ****************************************************************************/
  36
  37 #define STRICT
  38 #define WIN32_LEAN_AND_MEAN
  39 #include <windows.h>
  40
  41 #include "gld_driver.h"
  42 #include "ddlog.h"
  43 #include "glheader.h"
  44
  45 // For glGetString().
  46 #include "common_x86_asm.h"
  47
  48 //---------------------------------------------------------------------------
  49
  50 static char *szDriverError = "Driver used before initialisation!";
  51
  52 // This holds our dynamically created OpenGL renderer string.
  53 // 256 chars should be plenty - remember that some apps display this.
  54 static char _gldRendererString[256];
  55
  56 static char *szVendor = "SciTech Software, Inc.";
  57
  58 //---------------------------------------------------------------------------
  59
  60 extern BOOL gldGetDXErrorString_DX(HRESULT hr, char *buf, int nBufSize);
  61
  62 extern BOOL gldCreateDrawable_MesaSW(DGL_ctx *ctx, BOOL bPersistantInterface, BOOL bPersistantBuffers);
  63 extern BOOL gldResizeDrawable_MesaSW(DGL_ctx *ctx, BOOL bDefaultDriver, BOOL bPersistantInterface, BOOL bPersistantBuffers);
  64 extern BOOL gldDestroyDrawable_MesaSW(DGL_ctx *ctx);
  65 extern BOOL gldCreatePrivateGlobals_MesaSW(void);
  66 extern BOOL gldDestroyPrivateGlobals_MesaSW(void);
  67 extern BOOL     gldBuildPixelformatList_MesaSW(void);
  68 extern BOOL gldInitialiseMesa_MesaSW(DGL_ctx *ctx);
  69 extern BOOL     gldSwapBuffers_MesaSW(DGL_ctx *ctx, HDC hDC, HWND hWnd);
  70 extern PROC     gldGetProcAddress_MesaSW(LPCSTR a);
  71 extern BOOL     gldGetDisplayMode_MesaSW(DGL_ctx *ctx, GLD_displayMode *glddm);
  72
  73 extern BOOL gldCreateDrawable_DX(DGL_ctx *ctx, BOOL bPersistantInterface, BOOL bPersistantBuffers);
  74 extern BOOL gldResizeDrawable_DX(DGL_ctx *ctx, BOOL bDefaultDriver, BOOL bPersistantInterface, BOOL bPersistantBuffers);
  75 extern BOOL gldDestroyDrawable_DX(DGL_ctx *ctx);
  76 extern BOOL gldCreatePrivateGlobals_DX(void);
  77 extern BOOL gldDestroyPrivateGlobals_DX(void);
  78 extern BOOL     gldBuildPixelformatList_DX(void);
  79 extern BOOL gldInitialiseMesa_DX(DGL_ctx *ctx);
  80 extern BOOL     gldSwapBuffers_DX(DGL_ctx *ctx, HDC hDC, HWND hWnd);
  81 extern PROC     gldGetProcAddress_DX(LPCSTR a);
  82 extern BOOL     gldGetDisplayMode_DX(DGL_ctx *ctx, GLD_displayMode *glddm);
  83
  84 //---------------------------------------------------------------------------
  85 // NOP functions. Called if proper driver functions are not set.
  86 //---------------------------------------------------------------------------
  87
  88 static BOOL _gldDriverError(void)
  89 {
  90         ddlogMessage(DDLOG_CRITICAL, szDriverError);
  91         return FALSE;
  92 }
  93
  94 //---------------------------------------------------------------------------
  95
  96 static BOOL _GetDXErrorString_ERROR(
  97         HRESULT hr,
  98         char *buf,
  99         int nBufSize)
 100 {
 101         return _gldDriverError();
 102 }
 103
 104 //---------------------------------------------------------------------------
 105
 106 static BOOL _CreateDrawable_ERROR(
 107         DGL_ctx *ctx,
 108         BOOL bPersistantInterface,
 109         BOOL bPersistantBuffers)
 110 {
 111         return _gldDriverError();
 112 }
 113
 114 //---------------------------------------------------------------------------
 115
 116 static BOOL _ResizeDrawable_ERROR(
 117         DGL_ctx *ctx,
 118         BOOL bDefaultDriver,
 119         BOOL bPersistantInterface,
 120         BOOL bPersistantBuffers)
 121 {
 122         return _gldDriverError();
 123 }
 124
 125 //---------------------------------------------------------------------------
 126
 127 static BOOL _DestroyDrawable_ERROR(
 128         DGL_ctx *ctx)
 129 {
 130         return _gldDriverError();
 131 }
 132
 133 //---------------------------------------------------------------------------
 134
 135 static BOOL _CreatePrivateGlobals_ERROR(void)
 136 {
 137         return _gldDriverError();
 138 }
 139
 140 //---------------------------------------------------------------------------
 141
 142 static BOOL _DestroyPrivateGlobals_ERROR(void)
 143 {
 144         return _gldDriverError();
 145 }
 146
 147 //---------------------------------------------------------------------------
 148
 149 static BOOL _BuildPixelformatList_ERROR(void)
 150 {
 151         return _gldDriverError();
 152 }
 153
 154 //---------------------------------------------------------------------------
 155
 156
 157 static BOOL _InitialiseMesa_ERROR(
 158         DGL_ctx *ctx)
 159 {
 160         return _gldDriverError();
 161 }
 162
 163 //---------------------------------------------------------------------------
 164
 165 static BOOL     _SwapBuffers_ERROR(
 166         DGL_ctx *ctx,
 167         HDC hDC,
 168         HWND hWnd)
 169 {
 170         return _gldDriverError();
 171 }
 172
 173 //---------------------------------------------------------------------------
 174
 175 static PROC _GetProcAddress_ERROR(
 176         LPCSTR a)
 177 {
 178         _gldDriverError();
 179         return NULL;
 180 }
 181
 182 //---------------------------------------------------------------------------
 183
 184 static BOOL     _GetDisplayMode_ERROR(
 185         DGL_ctx *ctx,
 186         GLD_displayMode *glddm)
 187 {
 188         return _gldDriverError();
 189 }
 190
 191 //---------------------------------------------------------------------------
 192 // Functions useful to all drivers
 193 //---------------------------------------------------------------------------
 194
 195 const GLubyte* _gldGetStringGeneric(
 196         struct gl_context *ctx,
 197         GLenum name)
 198 {
 199         if (!ctx)
 200                 return NULL;
 201
 202         switch (name) {
 203         case GL_RENDERER:
 204                 sprintf(_gldRendererString, "GLDirect 4.0 %s%s%s%s (%s %s)",
 205                         _mesa_x86_cpu_features  ? "/x86"                : "",
 206                         cpu_has_mmx                             ? "/MMX"                : "",
 207                         cpu_has_3dnow                   ? "/3DNow!"             : "",
 208                         cpu_has_xmm                             ? "/SSE"                : "",
 209                         __DATE__, __TIME__);
 210                 return (const GLubyte *) _gldRendererString;
 211         case GL_VENDOR:
 212                 return (const GLubyte *) szVendor;
 213         default:
 214                 return NULL;
 215         }
 216 }
 217
 218 //---------------------------------------------------------------------------
 219 // Global driver function pointers, initially set to functions that
 220 // will report an error when called.
 221 //---------------------------------------------------------------------------
 222
 223 GLD_driver _gldDriver = {
 224         _GetDXErrorString_ERROR,
 225         _CreateDrawable_ERROR,
 226         _ResizeDrawable_ERROR,
 227         _DestroyDrawable_ERROR,
 228         _CreatePrivateGlobals_ERROR,
 229         _DestroyPrivateGlobals_ERROR,
 230         _BuildPixelformatList_ERROR,
 231         _InitialiseMesa_ERROR,
 232         _SwapBuffers_ERROR,
 233         _GetProcAddress_ERROR,
 234         _GetDisplayMode_ERROR
 235 };
 236
 237 //---------------------------------------------------------------------------
 238 // Init function. Should be called as soon as regkeys/ini-settings are read.
 239 //---------------------------------------------------------------------------
 240
 241 BOOL gldInitDriverPointers(
 242         DWORD dwDriver)
 243 {
 244         _gldDriver.GetDXErrorString     = gldGetDXErrorString_DX;
 245
 246         if (dwDriver == GLDS_DRIVER_MESA_SW) {
 247                 // Mesa Software driver
 248                 _gldDriver.CreateDrawable                       = gldCreateDrawable_MesaSW;
 249                 _gldDriver.ResizeDrawable                       = gldResizeDrawable_MesaSW;
 250                 _gldDriver.DestroyDrawable                      = gldDestroyDrawable_MesaSW;
 251                 _gldDriver.CreatePrivateGlobals         = gldCreatePrivateGlobals_MesaSW;
 252                 _gldDriver.DestroyPrivateGlobals        = gldDestroyPrivateGlobals_MesaSW;
 253                 _gldDriver.BuildPixelformatList         = gldBuildPixelformatList_MesaSW;
 254                 _gldDriver.InitialiseMesa                       = gldInitialiseMesa_MesaSW;
 255                 _gldDriver.SwapBuffers                          = gldSwapBuffers_MesaSW;
 256                 _gldDriver.wglGetProcAddress            = gldGetProcAddress_MesaSW;
 257                 _gldDriver.GetDisplayMode                       = gldGetDisplayMode_MesaSW;
 258                 return TRUE;
 259         }
 260
 261         if ((dwDriver == GLDS_DRIVER_REF) || (dwDriver == GLDS_DRIVER_HAL)) {
 262                 // Direct3D driver, either HW or SW
 263                 _gldDriver.CreateDrawable                       = gldCreateDrawable_DX;
 264                 _gldDriver.ResizeDrawable                       = gldResizeDrawable_DX;
 265                 _gldDriver.DestroyDrawable                      = gldDestroyDrawable_DX;
 266                 _gldDriver.CreatePrivateGlobals         = gldCreatePrivateGlobals_DX;
 267                 _gldDriver.DestroyPrivateGlobals        = gldDestroyPrivateGlobals_DX;
 268                 _gldDriver.BuildPixelformatList         = gldBuildPixelformatList_DX;
 269                 _gldDriver.InitialiseMesa                       = gldInitialiseMesa_DX;
 270                 _gldDriver.SwapBuffers                          = gldSwapBuffers_DX;
 271                 _gldDriver.wglGetProcAddress            = gldGetProcAddress_DX;
 272                 _gldDriver.GetDisplayMode                       = gldGetDisplayMode_DX;
 273                 return TRUE;
 274         };
 275
 276         return FALSE;
 277 }
 278
 279 //---------------------------------------------------------------------------