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/****************************************************************************
*
* Mesa 3-D graphics library
* Direct3D Driver Interface
*
* ========================================================================
*
* Copyright (C) 1991-2004 SciTech Software, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* SCITECH SOFTWARE INC BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* ======================================================================
*
* Language: ANSI C
* Environment: Windows 9x/2000/XP/XBox (Win32)
*
* Description: Driver functions and interfaces
*
****************************************************************************/
#define STRICT
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "gld_driver.h"
#include "ddlog.h"
#include "glheader.h"
// For glGetString().
#include "common_x86_asm.h"
//---------------------------------------------------------------------------
static char *szDriverError = "Driver used before initialisation!";
// This holds our dynamically created OpenGL renderer string.
// 256 chars should be plenty - remember that some apps display this.
static char _gldRendererString[256];
static char *szVendor = "SciTech Software, Inc.";
//---------------------------------------------------------------------------
extern BOOL gldGetDXErrorString_DX(HRESULT hr, char *buf, int nBufSize);
extern BOOL gldCreateDrawable_MesaSW(DGL_ctx *ctx, BOOL bPersistantInterface, BOOL bPersistantBuffers);
extern BOOL gldResizeDrawable_MesaSW(DGL_ctx *ctx, BOOL bDefaultDriver, BOOL bPersistantInterface, BOOL bPersistantBuffers);
extern BOOL gldDestroyDrawable_MesaSW(DGL_ctx *ctx);
extern BOOL gldCreatePrivateGlobals_MesaSW(void);
extern BOOL gldDestroyPrivateGlobals_MesaSW(void);
extern BOOL gldBuildPixelformatList_MesaSW(void);
extern BOOL gldInitialiseMesa_MesaSW(DGL_ctx *ctx);
extern BOOL gldSwapBuffers_MesaSW(DGL_ctx *ctx, HDC hDC, HWND hWnd);
extern PROC gldGetProcAddress_MesaSW(LPCSTR a);
extern BOOL gldGetDisplayMode_MesaSW(DGL_ctx *ctx, GLD_displayMode *glddm);
extern BOOL gldCreateDrawable_DX(DGL_ctx *ctx, BOOL bPersistantInterface, BOOL bPersistantBuffers);
extern BOOL gldResizeDrawable_DX(DGL_ctx *ctx, BOOL bDefaultDriver, BOOL bPersistantInterface, BOOL bPersistantBuffers);
extern BOOL gldDestroyDrawable_DX(DGL_ctx *ctx);
extern BOOL gldCreatePrivateGlobals_DX(void);
extern BOOL gldDestroyPrivateGlobals_DX(void);
extern BOOL gldBuildPixelformatList_DX(void);
extern BOOL gldInitialiseMesa_DX(DGL_ctx *ctx);
extern BOOL gldSwapBuffers_DX(DGL_ctx *ctx, HDC hDC, HWND hWnd);
extern PROC gldGetProcAddress_DX(LPCSTR a);
extern BOOL gldGetDisplayMode_DX(DGL_ctx *ctx, GLD_displayMode *glddm);
//---------------------------------------------------------------------------
// NOP functions. Called if proper driver functions are not set.
//---------------------------------------------------------------------------
static BOOL _gldDriverError(void)
{
ddlogMessage(DDLOG_CRITICAL, szDriverError);
return FALSE;
}
//---------------------------------------------------------------------------
static BOOL _GetDXErrorString_ERROR(
HRESULT hr,
char *buf,
int nBufSize)
{
return _gldDriverError();
}
//---------------------------------------------------------------------------
static BOOL _CreateDrawable_ERROR(
DGL_ctx *ctx,
BOOL bPersistantInterface,
BOOL bPersistantBuffers)
{
return _gldDriverError();
}
//---------------------------------------------------------------------------
static BOOL _ResizeDrawable_ERROR(
DGL_ctx *ctx,
BOOL bDefaultDriver,
BOOL bPersistantInterface,
BOOL bPersistantBuffers)
{
return _gldDriverError();
}
//---------------------------------------------------------------------------
static BOOL _DestroyDrawable_ERROR(
DGL_ctx *ctx)
{
return _gldDriverError();
}
//---------------------------------------------------------------------------
static BOOL _CreatePrivateGlobals_ERROR(void)
{
return _gldDriverError();
}
//---------------------------------------------------------------------------
static BOOL _DestroyPrivateGlobals_ERROR(void)
{
return _gldDriverError();
}
//---------------------------------------------------------------------------
static BOOL _BuildPixelformatList_ERROR(void)
{
return _gldDriverError();
}
//---------------------------------------------------------------------------
static BOOL _InitialiseMesa_ERROR(
DGL_ctx *ctx)
{
return _gldDriverError();
}
//---------------------------------------------------------------------------
static BOOL _SwapBuffers_ERROR(
DGL_ctx *ctx,
HDC hDC,
HWND hWnd)
{
return _gldDriverError();
}
//---------------------------------------------------------------------------
static PROC _GetProcAddress_ERROR(
LPCSTR a)
{
_gldDriverError();
return NULL;
}
//---------------------------------------------------------------------------
static BOOL _GetDisplayMode_ERROR(
DGL_ctx *ctx,
GLD_displayMode *glddm)
{
return _gldDriverError();
}
//---------------------------------------------------------------------------
// Functions useful to all drivers
//---------------------------------------------------------------------------
const GLubyte* _gldGetStringGeneric(
GLcontext *ctx,
GLenum name)
{
if (!ctx)
return NULL;
switch (name) {
case GL_RENDERER:
sprintf(_gldRendererString, "GLDirect 4.0 %s%s%s%s (%s %s)",
_mesa_x86_cpu_features ? "/x86" : "",
cpu_has_mmx ? "/MMX" : "",
cpu_has_3dnow ? "/3DNow!" : "",
cpu_has_xmm ? "/SSE" : "",
__DATE__, __TIME__);
return (const GLubyte *) _gldRendererString;
case GL_VENDOR:
return (const GLubyte *) szVendor;
default:
return NULL;
}
}
//---------------------------------------------------------------------------
// Global driver function pointers, initially set to functions that
// will report an error when called.
//---------------------------------------------------------------------------
GLD_driver _gldDriver = {
_GetDXErrorString_ERROR,
_CreateDrawable_ERROR,
_ResizeDrawable_ERROR,
_DestroyDrawable_ERROR,
_CreatePrivateGlobals_ERROR,
_DestroyPrivateGlobals_ERROR,
_BuildPixelformatList_ERROR,
_InitialiseMesa_ERROR,
_SwapBuffers_ERROR,
_GetProcAddress_ERROR,
_GetDisplayMode_ERROR
};
//---------------------------------------------------------------------------
// Init function. Should be called as soon as regkeys/ini-settings are read.
//---------------------------------------------------------------------------
BOOL gldInitDriverPointers(
DWORD dwDriver)
{
_gldDriver.GetDXErrorString = gldGetDXErrorString_DX;
if (dwDriver == GLDS_DRIVER_MESA_SW) {
// Mesa Software driver
_gldDriver.CreateDrawable = gldCreateDrawable_MesaSW;
_gldDriver.ResizeDrawable = gldResizeDrawable_MesaSW;
_gldDriver.DestroyDrawable = gldDestroyDrawable_MesaSW;
_gldDriver.CreatePrivateGlobals = gldCreatePrivateGlobals_MesaSW;
_gldDriver.DestroyPrivateGlobals = gldDestroyPrivateGlobals_MesaSW;
_gldDriver.BuildPixelformatList = gldBuildPixelformatList_MesaSW;
_gldDriver.InitialiseMesa = gldInitialiseMesa_MesaSW;
_gldDriver.SwapBuffers = gldSwapBuffers_MesaSW;
_gldDriver.wglGetProcAddress = gldGetProcAddress_MesaSW;
_gldDriver.GetDisplayMode = gldGetDisplayMode_MesaSW;
return TRUE;
}
if ((dwDriver == GLDS_DRIVER_REF) || (dwDriver == GLDS_DRIVER_HAL)) {
// Direct3D driver, either HW or SW
_gldDriver.CreateDrawable = gldCreateDrawable_DX;
_gldDriver.ResizeDrawable = gldResizeDrawable_DX;
_gldDriver.DestroyDrawable = gldDestroyDrawable_DX;
_gldDriver.CreatePrivateGlobals = gldCreatePrivateGlobals_DX;
_gldDriver.DestroyPrivateGlobals = gldDestroyPrivateGlobals_DX;
_gldDriver.BuildPixelformatList = gldBuildPixelformatList_DX;
_gldDriver.InitialiseMesa = gldInitialiseMesa_DX;
_gldDriver.SwapBuffers = gldSwapBuffers_DX;
_gldDriver.wglGetProcAddress = gldGetProcAddress_DX;
_gldDriver.GetDisplayMode = gldGetDisplayMode_DX;
return TRUE;
};
return FALSE;
}
//---------------------------------------------------------------------------
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