mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-30 05:35:54 +01:00
105 lines
2.6 KiB
C++
105 lines
2.6 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
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#include <Engine/Engine.h>
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#include "SDL.h"
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static void FailFunction_t(const char *strName) {
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ThrowF_t(TRANS("Required function %s not found."), strName);
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}
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static void SetFunctionPointers_t(HINSTANCE hiOGL)
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{
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const char *strName;
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// get gl function pointers
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#define DLLFUNCTION(dll, output, name, inputs, params, required) \
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strName = #name; \
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p##name = (output (__stdcall*) inputs) SDL_GL_GetProcAddress(strName); \
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if( required && p##name == NULL) FailFunction_t(strName);
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#include "Engine/Graphics/gl_functions.h"
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#undef DLLFUNCTION
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}
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BOOL CGfxLibrary::InitDriver_OGL(BOOL init3dfx)
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{
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ASSERT( gl_hiDriver==NONE);
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if (SDL_Init(SDL_INIT_VIDEO) == -1) {
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CPrintF( TRANS("Error starting OpenGL: %s\n"), SDL_GetError());
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return(FALSE);
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}
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SDL_EnableUNICODE(1);
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SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
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// !!! FIXME: Is it safe to add new cvars for a specific platform?
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const char *envlib = getenv("SERIOUS_GLLIBRARY");
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CTString strDriverFileName = ((envlib) ? envlib : "libGL.so.1");
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if (SDL_GL_LoadLibrary(strDriverFileName) == -1) {
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CPrintF(TRANSV("Cannot load OpenGL driver '%s'"), (const char *) strDriverFileName);
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SDL_QuitSubSystem(SDL_INIT_VIDEO);
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return(FALSE);
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}
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// prepare functions
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SetFunctionPointers_t(gl_hiDriver);
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// done
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return TRUE;
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}
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void CGfxLibrary::PlatformEndDriver_OGL(void)
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{
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SDL_QuitSubSystem(SDL_INIT_VIDEO);
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}
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void *CGfxLibrary::OGL_GetProcAddress(const char *procname)
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{
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return(SDL_GL_GetProcAddress(procname));
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}
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// prepare current viewport for rendering thru OpenGL
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BOOL CGfxLibrary::SetCurrentViewport_OGL(CViewPort *pvp)
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{
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// if must init entire opengl
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if( gl_ulFlags & GLF_INITONNEXTWINDOW)
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{
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gl_ulFlags &= ~GLF_INITONNEXTWINDOW;
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// reopen window
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pvp->CloseCanvas();
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pvp->OpenCanvas();
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// init now
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gl_pvpActive = pvp; // remember as current viewport (must do that BEFORE InitContext)
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go_hglRC = (void *) 0x0001; // !!! FIXME : This needs to be not null, but this is a hack.
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// init now
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InitContext_OGL();
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gl_ulFlags |= GLF_HASACCELERATION; // might be a lie, though...
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pvp->vp_ctDisplayChanges = gl_ctDriverChanges;
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return TRUE;
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}
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// if window was not set for this driver
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if( pvp->vp_ctDisplayChanges<gl_ctDriverChanges)
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{
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// reopen window
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pvp->CloseCanvas();
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pvp->OpenCanvas();
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// set it
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pvp->vp_ctDisplayChanges = gl_ctDriverChanges;
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}
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// remember as current window
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gl_pvpActive = pvp;
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return TRUE;
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}
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// end of SDLOpenGL.cpp ...
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