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Fix OpenGL under SDL && Windows. (Almost. SDL 1.2 works fine, but SDL2 has an unresolved problem where OpenGL screen updates flicker over a black background.)

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git-svn-id: https://svn.eduke32.com/eduke32@4088 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266 2013-10-07 10:06:09 +00:00
parent 75b6e81a2a
commit 7b551ba4fb
2 changed files with 35 additions and 15 deletions
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40
polymer/eduke32/build/src/glbuild.c
View file

@ -294,11 +294,17 @@ bwglGetPixelFormatProcPtr bwglGetPixelFormat;
bwglSetPixelFormatProcPtr bwglSetPixelFormat; bwglSetPixelFormatProcPtr bwglSetPixelFormat;
bwglSwapIntervalEXTProcPtr bwglSwapIntervalEXT; bwglSwapIntervalEXTProcPtr bwglSwapIntervalEXT;
bwglCreateContextAttribsARBProcPtr bwglCreateContextAttribsARB; bwglCreateContextAttribsARBProcPtr bwglCreateContextAttribsARB;
static HMODULE hGLDLL, hGLUDLL;
#else #else
#include <dlfcn.h> #include <dlfcn.h>
#endif
#if !defined RENDERTYPESDL && defined _WIN32
static HMODULE hGLDLL;
#endif
#if defined _WIN32
static HMODULE hGLUDLL;
#else
static void *gluhandle = NULL; static void *gluhandle = NULL;
#endif #endif
@ -332,7 +338,7 @@ int32_t loadgldriver(const char *driver)
{ {
int32_t err=0; int32_t err=0;
#ifdef _WIN32 #if !defined RENDERTYPESDL && defined _WIN32
if (hGLDLL) return 0; if (hGLDLL) return 0;
#endif #endif
@ -348,10 +354,18 @@ int32_t loadgldriver(const char *driver)
} }
#if defined RENDERTYPESDL #if defined RENDERTYPESDL
if (SDL_GL_LoadLibrary(driver)) goto fail; if (SDL_GL_LoadLibrary(driver))
{
initprintf("Failed loading \"%s\": %s\n", driver, SDL_GetError());
return -1;
}
#elif defined _WIN32 #elif defined _WIN32
hGLDLL = LoadLibrary(driver); hGLDLL = LoadLibrary(driver);
if (!hGLDLL) goto fail; if (!hGLDLL)
{
initprintf("Failed loading \"%s\"\n", driver);
return -1;
}
#endif #endif
gldriver = Bstrdup(driver); gldriver = Bstrdup(driver);
@ -485,16 +499,12 @@ int32_t loadgldriver(const char *driver)
if (err) unloadgldriver(); if (err) unloadgldriver();
return err; return err;
fail:
initprintf("Failed loading \"%s\"\n",driver);
return -1;
} }
int32_t loadglextensions(void) int32_t loadglextensions(void)
{ {
int32_t err = 0; int32_t err = 0;
#ifdef _WIN32 #if !defined RENDERTYPESDL && defined _WIN32
if (!hGLDLL) return 0; if (!hGLDLL) return 0;
#endif #endif
@ -648,14 +658,14 @@ int32_t unloadgldriver(void)
{ {
unloadglulibrary(); unloadglulibrary();
#ifdef _WIN32 #if !defined RENDERTYPESDL && defined _WIN32
if (!hGLDLL) return 0; if (!hGLDLL) return 0;
#endif #endif
Bfree(gldriver); Bfree(gldriver);
gldriver = NULL; gldriver = NULL;
#ifdef _WIN32 #if !defined RENDERTYPESDL && defined _WIN32
FreeLibrary(hGLDLL); FreeLibrary(hGLDLL);
hGLDLL = NULL; hGLDLL = NULL;
#endif #endif
@ -938,7 +948,7 @@ int32_t loadglulibrary(const char *driver)
{ {
int32_t err=0; int32_t err=0;
#ifdef _WIN32 #if defined _WIN32
if (hGLUDLL) return 0; if (hGLUDLL) return 0;
#endif #endif
@ -990,14 +1000,14 @@ fail:
int32_t unloadglulibrary(void) int32_t unloadglulibrary(void)
{ {
#ifdef _WIN32 #if defined _WIN32
if (!hGLUDLL) return 0; if (!hGLUDLL) return 0;
#endif #endif
Bfree(glulibrary); Bfree(glulibrary);
glulibrary = NULL; glulibrary = NULL;
#ifdef _WIN32 #if defined _WIN32
FreeLibrary(hGLUDLL); FreeLibrary(hGLUDLL);
hGLUDLL = NULL; hGLUDLL = NULL;
#else #else

10
polymer/eduke32/build/src/sdlayer.c
View file

@ -1256,6 +1256,10 @@ static int32_t create_window_and_renderer(int32_t x, int32_t y, int32_t c, int32
destroy_window_and_renderer(); destroy_window_and_renderer();
return -1; return -1;
} }
#ifdef _WIN32
loadglextensions();
#endif
} }
sdl_texture = SDL_CreateTexture(sdl_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, x, y); sdl_texture = SDL_CreateTexture(sdl_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, x, y);
@ -1409,6 +1413,9 @@ int32_t setvideomode(int32_t x, int32_t y, int32_t c, int32_t fs)
initprintf("Unable to set video mode!\n"); initprintf("Unable to set video mode!\n");
return -1; return -1;
} }
#ifdef _WIN32
loadglextensions();
#endif
# else # else
destroy_window_and_renderer(); destroy_window_and_renderer();
@ -1431,6 +1438,9 @@ int32_t setvideomode(int32_t x, int32_t y, int32_t c, int32_t fs)
initprintf("Unable to set video mode!\n"); initprintf("Unable to set video mode!\n");
return -1; return -1;
} }
#ifdef _WIN32
loadglextensions();
#endif
sdl_buffersurface = SDL_CreateRGBSurface(SURFACE_FLAGS, x, y, c, 0, 0, 0, 0); sdl_buffersurface = SDL_CreateRGBSurface(SURFACE_FLAGS, x, y, c, 0, 0, 0, 0);
if (!sdl_buffersurface) if (!sdl_buffersurface)
{ {