int glext_assert(const char *ext)
{
if (!glext_check(ext))
{
log_printf("Missing required OpenGL extension (%s)\n", ext);
return 0;
}
return 1;
}
int video_mode(int f, int w, int h)
{
//senquack
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE);
int stereo = config_get_d(CONFIG_STEREO) ? 1 : 0;
int stencil = config_get_d(CONFIG_REFLECTION) ? 1 : 0;
int buffers = config_get_d(CONFIG_MULTISAMPLE) ? 1 : 0;
int samples = config_get_d(CONFIG_MULTISAMPLE);
int vsync = config_get_d(CONFIG_VSYNC) ? 1 : 0;
int hmd = config_get_d(CONFIG_HMD) ? 1 : 0;
int highdpi = config_get_d(CONFIG_HIGHDPI) ? 1 : 0;
int dpy = config_get_d(CONFIG_DISPLAY);
int X = SDL_WINDOWPOS_CENTERED_DISPLAY(dpy);
int Y = SDL_WINDOWPOS_CENTERED_DISPLAY(dpy);
hmd_free();
if (window)
{
SDL_GL_DeleteContext(context);
SDL_DestroyWindow(window);
}
//senquack
// SDL_GL_SetAttribute(SDL_GL_STEREO, stereo);
//senquack - disabled drawing shadows and reflections on GCW Zero, don't need a stencil buffer:
#ifdef GCWZERO
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 0);
#endif
//senquack - don't need or want these on GCW Zero:
#ifndef GCWZERO
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, buffers);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, samples);
#endif
/* Require 16-bit double buffer with 16-bit depth buffer. */
//senquack - GCW Zero port change
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, 32);
// SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
// SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
// SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
// SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
// SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
//senquack
SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
/* Try to set the currently specified mode. */
log_printf("Creating a window (%dx%d, %s)\n",
w, h, (f ? "fullscreen" : "windowed"));
//senquack DEBUG - DO NOT RUN - loads GLES2.0 for some reason
// SDL_VideoInit(NULL);
window = SDL_CreateWindow("", X, Y, w, h,
SDL_WINDOW_OPENGL |
(highdpi ? SDL_WINDOW_ALLOW_HIGHDPI : 0) |
(f ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0));
if (window)
{
if ((context = SDL_GL_CreateContext(window)))
{
int buf, smp;
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &buf);
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &smp);
/*
* Work around SDL+WGL returning pixel formats below
* minimum specifications instead of failing, thus
* bypassing our fallback path. SDL tries to ensure that
* WGL plays by the rules, but forgets about extended
* context attributes such as multisample. See SDL
* Bugzilla #77.
*/
if (buf < buffers || smp < samples)
{
log_printf("GL context does not meet minimum specifications\n");
SDL_GL_DeleteContext(context);
context = NULL;
}
}
}
if (window && context)
{
set_window_title(TITLE);
set_window_icon(ICON);
/*
* SDL_GetWindowSize can be unreliable when going fullscreen
* on OSX (and possibly elsewhere). We should really be
* waiting for a resize / size change event, but for now we're
* doing this lazy thing instead.
*/
if (f)
{
SDL_DisplayMode dm;
if (SDL_GetDesktopDisplayMode(video_display(), &dm) == 0)
{
video.window_w = dm.w;
video.window_h = dm.h;
// //senquack
dm.format = SDL_PIXELFORMAT_RGBA8888;
// dm.format = SDL_PIXELFORMAT_RGB565;
dm.w = 320;
dm.h = 240;
dm.refresh_rate = 60;
dm.driverdata = 0;
SDL_SetWindowDisplayMode(window, &dm);
printf("setting new video dm..\n");
SDL_GetCurrentDisplayMode(0, &dm);
SDL_Log("Screen w: %d h: %d\n", dm.w, dm.h);
SDL_Log("Screen bpp: %d\n", SDL_BITSPERPIXEL(dm.format));
SDL_Log("Screen dm: ");
SDL_Log("\n\n");
SDL_Log("Vendor : %s\n", glGetString(GL_VENDOR));
SDL_Log("Renderer : %s\n", glGetString(GL_RENDERER));
SDL_Log("Version : %s\n", glGetString(GL_VERSION));
SDL_Log("Extensions : %s\n", glGetString(GL_EXTENSIONS));
SDL_Log("\n");
fflush(NULL);
}
}
else
{
SDL_GetWindowSize(window, &video.window_w, &video.window_h);
}
if (highdpi)
{
SDL_GL_GetDrawableSize(window, &video.device_w, &video.device_h);
}
else
{
video.device_w = video.window_w;
video.device_h = video.window_h;
}
video.device_scale = (float) video.device_h / (float) video.window_h;
log_printf("Created a window (%u, %dx%d, %s)\n",
SDL_GetWindowID(window),
video.window_w, video.window_h,
(f ? "fullscreen" : "windowed"));
config_set_d(CONFIG_DISPLAY, video_display());
config_set_d(CONFIG_FULLSCREEN, f);
config_set_d(CONFIG_WIDTH, video.window_w);
config_set_d(CONFIG_HEIGHT, video.window_h);
SDL_GL_SetSwapInterval(vsync);
if (!glext_init())
return 0;
glViewport(0, 0, video.device_w, video.device_h);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glEnable(GL_NORMALIZE);
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glEnable(GL_BLEND);
#if !ENABLE_OPENGLES
glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL,
GL_SEPARATE_SPECULAR_COLOR);
#endif
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthFunc(GL_LEQUAL);
/* If GL supports multisample, and SDL got a multisample buffer... */
if (glext_check("ARB_multisample"))
{
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &buffers);
if (buffers) glEnable(GL_MULTISAMPLE);
}
/* Set up HMD display if requested. */
if (hmd)
hmd_init();
/* Initialize screen snapshotting. */
snapshot_init();
video_show_cursor();
/* Grab input immediately in HMD mode. */
if (hmd_stat())
SDL_SetWindowGrab(window, SDL_TRUE);
return 1;
}
/* If the mode failed, try it without stereo. */
else if (stereo)
{
config_set_d(CONFIG_STEREO, 0);
return video_mode(f, w, h);
}
/* If the mode failed, try decreasing the level of multisampling. */
else if (buffers)
{
config_set_d(CONFIG_MULTISAMPLE, samples / 2);
return video_mode(f, w, h);
}
/* If that mode failed, try it without reflections. */
else if (stencil)
{
config_set_d(CONFIG_REFLECTION, 0);
return video_mode(f, w, h);
}
/* If THAT mode failed, punt. */
return 0;
}
int video_mode(int f, int w, int h)
{
int stereo = config_get_d(CONFIG_STEREO) ? 1 : 0;
int stencil = config_get_d(CONFIG_REFLECTION) ? 1 : 0;
int buffers = config_get_d(CONFIG_MULTISAMPLE) ? 1 : 0;
int samples = config_get_d(CONFIG_MULTISAMPLE);
int vsync = config_get_d(CONFIG_VSYNC) ? 1 : 0;
int hmd = config_get_d(CONFIG_HMD) ? 1 : 0;
int highdpi = config_get_d(CONFIG_HIGHDPI) ? 1 : 0;
int dpy = config_get_d(CONFIG_DISPLAY);
int X = SDL_WINDOWPOS_CENTERED_DISPLAY(dpy);
int Y = SDL_WINDOWPOS_CENTERED_DISPLAY(dpy);
hmd_free();
if (window)
{
SDL_GL_DeleteContext(context);
SDL_DestroyWindow(window);
}
#if ENABLE_OPENGLES
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
#endif
SDL_GL_SetAttribute(SDL_GL_STEREO, stereo);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, stencil);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, buffers);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, samples);
/* Require 16-bit double buffer with 16-bit depth buffer. */
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
/* Try to set the currently specified mode. */
log_printf("Creating a window (%dx%d, %s)\n",
w, h, (f ? "fullscreen" : "windowed"));
window = SDL_CreateWindow("", X, Y, w, h,
SDL_WINDOW_OPENGL |
(highdpi ? SDL_WINDOW_ALLOW_HIGHDPI : 0) |
(f ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0));
if (window)
{
if ((context = SDL_GL_CreateContext(window)))
{
int buf, smp;
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &buf);
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &smp);
/*
* Work around SDL+WGL returning pixel formats below
* minimum specifications instead of failing, thus
* bypassing our fallback path. SDL tries to ensure that
* WGL plays by the rules, but forgets about extended
* context attributes such as multisample. See SDL
* Bugzilla #77.
*/
if (buf < buffers || smp < samples)
{
log_printf("GL context does not meet minimum specifications\n");
SDL_GL_DeleteContext(context);
context = NULL;
}
}
}
if (window && context)
{
set_window_title(TITLE);
set_window_icon(ICON);
/*
* SDL_GetWindowSize can be unreliable when going fullscreen
* on OSX (and possibly elsewhere). We should really be
* waiting for a resize / size change event, but for now we're
* doing this lazy thing instead.
*/
if (f)
{
SDL_DisplayMode dm;
if (SDL_GetDesktopDisplayMode(video_display(), &dm) == 0)
{
video.window_w = dm.w;
video.window_h = dm.h;
}
}
else
{
SDL_GetWindowSize(window, &video.window_w, &video.window_h);
}
if (highdpi)
{
SDL_GL_GetDrawableSize(window, &video.device_w, &video.device_h);
}
else
{
video.device_w = video.window_w;
video.device_h = video.window_h;
}
video.device_scale = (float) video.device_h / (float) video.window_h;
log_printf("Created a window (%u, %dx%d, %s)\n",
SDL_GetWindowID(window),
video.window_w, video.window_h,
(f ? "fullscreen" : "windowed"));
config_set_d(CONFIG_DISPLAY, video_display());
config_set_d(CONFIG_FULLSCREEN, f);
config_set_d(CONFIG_WIDTH, video.window_w);
config_set_d(CONFIG_HEIGHT, video.window_h);
SDL_GL_SetSwapInterval(vsync);
if (!glext_init())
return 0;
glViewport(0, 0, video.device_w, video.device_h);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glEnable(GL_NORMALIZE);
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glEnable(GL_BLEND);
#if !ENABLE_OPENGLES
glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL,
GL_SEPARATE_SPECULAR_COLOR);
#endif
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthFunc(GL_LEQUAL);
/* If GL supports multisample, and SDL got a multisample buffer... */
if (glext_check("ARB_multisample"))
{
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &buffers);
if (buffers) glEnable(GL_MULTISAMPLE);
}
/* Set up HMD display if requested. */
if (hmd)
hmd_init();
/* Initialize screen snapshotting. */
snapshot_init();
video_show_cursor();
/* Grab input immediately in HMD mode. */
if (hmd_stat())
SDL_SetWindowGrab(window, SDL_TRUE);
return 1;
}
/* If the mode failed, try it without stereo. */
else if (stereo)
{
config_set_d(CONFIG_STEREO, 0);
return video_mode(f, w, h);
}
/* If the mode failed, try decreasing the level of multisampling. */
else if (buffers)
{
config_set_d(CONFIG_MULTISAMPLE, samples / 2);
return video_mode(f, w, h);
}
/* If that mode failed, try it without reflections. */
else if (stencil)
{
config_set_d(CONFIG_REFLECTION, 0);
return video_mode(f, w, h);
}
/* If THAT mode failed, punt. */
return 0;
}
int glext_init(void)
{
void *ptr = 0;
memset(&gli, 0, sizeof (struct gl_info));
/* Common init. */
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &gli.max_texture_size);
glGetIntegerv(GL_MAX_TEXTURE_UNITS, &gli.max_texture_units);
/* Desktop init. */
#if !ENABLE_OPENGLES
if (glext_assert("ARB_multitexture"))
{
SDL_GL_GFPA(glClientActiveTexture_, "glClientActiveTextureARB");
SDL_GL_GFPA(glActiveTexture_, "glActiveTextureARB");
}
if (glext_assert("ARB_vertex_buffer_object"))
{
SDL_GL_GFPA(glGenBuffers_, "glGenBuffersARB");
SDL_GL_GFPA(glBindBuffer_, "glBindBufferARB");
SDL_GL_GFPA(glBufferData_, "glBufferDataARB");
SDL_GL_GFPA(glBufferSubData_, "glBufferSubDataARB");
SDL_GL_GFPA(glDeleteBuffers_, "glDeleteBuffersARB");
SDL_GL_GFPA(glIsBuffer_, "glIsBufferARB");
}
if (glext_assert("ARB_point_parameters"))
{
SDL_GL_GFPA(glPointParameterf_, "glPointParameterfARB");
SDL_GL_GFPA(glPointParameterfv_, "glPointParameterfvARB");
}
if (glext_check("ARB_shader_objects"))
{
SDL_GL_GFPA(glGetShaderiv_, "glGetShaderiv");
SDL_GL_GFPA(glGetShaderInfoLog_, "glGetShaderInfoLog");
SDL_GL_GFPA(glGetProgramiv_, "glGetProgramiv");
SDL_GL_GFPA(glGetProgramInfoLog_, "glGetProgramInfoLog");
SDL_GL_GFPA(glCreateShader_, "glCreateShader");
SDL_GL_GFPA(glCreateProgram_, "glCreateProgram");
SDL_GL_GFPA(glShaderSource_, "glShaderSource");
SDL_GL_GFPA(glCompileShader_, "glCompileShader");
SDL_GL_GFPA(glDeleteShader_, "glDeleteShader");
SDL_GL_GFPA(glDeleteProgram_, "glDeleteProgram");
SDL_GL_GFPA(glAttachShader_, "glAttachShader");
SDL_GL_GFPA(glLinkProgram_, "glLinkProgram");
SDL_GL_GFPA(glUseProgram_, "glUseProgram");
SDL_GL_GFPA(glGetUniformLocation_, "glGetUniformLocation");
SDL_GL_GFPA(glUniform1f_, "glUniform1f");
SDL_GL_GFPA(glUniform2f_, "glUniform2f");
SDL_GL_GFPA(glUniform3f_, "glUniform3f");
SDL_GL_GFPA(glUniform4f_, "glUniform4f");
gli.shader_objects = 1;
}
if (glext_check("ARB_framebuffer_object"))
{
SDL_GL_GFPA(glBindFramebuffer_, "glBindFramebuffer");
SDL_GL_GFPA(glDeleteFramebuffers_, "glDeleteFramebuffers");
SDL_GL_GFPA(glGenFramebuffers_, "glGenFramebuffers");
SDL_GL_GFPA(glFramebufferTexture2D_, "glFramebufferTexture2D");
SDL_GL_GFPA(glCheckFramebufferStatus_, "glCheckFramebufferStatus");
gli.framebuffer_object = 1;
}
if (glext_check("GREMEDY_string_marker"))
SDL_GL_GFPA(glStringMarkerGREMEDY_, "glStringMarkerGREMEDY");
#endif
return 1;
}
int video_mode(int f, int w, int h)
{
int stereo = config_get_d(CONFIG_STEREO) ? 1 : 0;
int stencil = config_get_d(CONFIG_REFLECTION) ? 1 : 0;
int buffers = config_get_d(CONFIG_MULTISAMPLE) ? 1 : 0;
int samples = config_get_d(CONFIG_MULTISAMPLE);
int vsync = config_get_d(CONFIG_VSYNC) ? 1 : 0;
int hmd = config_get_d(CONFIG_HMD) ? 1 : 0;
hmd_free();
SDL_GL_SetAttribute(SDL_GL_STEREO, stereo);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, stencil);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, buffers);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, samples);
SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, vsync);
/* Require 16-bit double buffer with 16-bit depth buffer. */
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
/* Try to set the currently specified mode. */
if (SDL_SetVideoMode(w, h, 0, SDL_OPENGL | (f ? SDL_FULLSCREEN : 0)))
{
config_set_d(CONFIG_FULLSCREEN, f);
config_set_d(CONFIG_WIDTH, w);
config_set_d(CONFIG_HEIGHT, h);
if (!glext_init())
return 0;
glViewport(0, 0, w, h);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glEnable(GL_NORMALIZE);
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glEnable(GL_BLEND);
#if !ENABLE_OPENGLES
glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL,
GL_SEPARATE_SPECULAR_COLOR);
#endif
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthFunc(GL_LEQUAL);
/* If GL supports multisample, and SDL got a multisample buffer... */
if (glext_check("ARB_multisample"))
{
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &buffers);
if (buffers) glEnable(GL_MULTISAMPLE);
}
/* Attempt manual swap control if SDL's is broken. */
if (vsync && SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL, &vsync) == -1)
sync_init();
/* Set up HMD display if requested. */
if (hmd)
hmd_init();
/* Initialize screen snapshotting. */
snapshot_init();
video_show_cursor();
return 1;
}
/* If the mode failed, try it without stereo. */
else if (stereo)
{
config_set_d(CONFIG_STEREO, 0);
return video_mode(f, w, h);
}
/* If the mode failed, try decreasing the level of multisampling. */
else if (buffers)
{
config_set_d(CONFIG_MULTISAMPLE, samples / 2);
return video_mode(f, w, h);
}
/* If that mode failed, try it without reflections. */
else if (stencil)
{
config_set_d(CONFIG_REFLECTION, 0);
return video_mode(f, w, h);
}
/* If THAT mode failed, punt. */
return 0;
}
int video_mode(int f, int w, int h)
{
int stereo = config_get_d(CONFIG_STEREO) ? 1 : 0;
int stencil = config_get_d(CONFIG_REFLECTION) ? 1 : 0;
int buffers = config_get_d(CONFIG_MULTISAMPLE) ? 1 : 0;
int samples = config_get_d(CONFIG_MULTISAMPLE);
int vsync = config_get_d(CONFIG_VSYNC) ? 1 : 0;
int hmd = config_get_d(CONFIG_HMD) ? 1 : 0;
int dpy = config_get_d(CONFIG_DISPLAY);
int X = SDL_WINDOWPOS_CENTERED_DISPLAY(dpy);
int Y = SDL_WINDOWPOS_CENTERED_DISPLAY(dpy);
hmd_free();
if (window)
{
SDL_GL_DeleteContext(context);
SDL_DestroyWindow(window);
}
SDL_GL_SetAttribute(SDL_GL_STEREO, stereo);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, stencil);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, buffers);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, samples);
/* Require 16-bit double buffer with 16-bit depth buffer. */
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
/* Try to set the currently specified mode. */
window = SDL_CreateWindow("", X, Y, w, h,
SDL_WINDOW_OPENGL |
(f ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0));
if (window)
{
set_window_title(TITLE);
set_window_icon(ICON);
SDL_GetWindowSize(window, &w, &h);
config_set_d(CONFIG_DISPLAY, video_display());
config_set_d(CONFIG_FULLSCREEN, f);
config_set_d(CONFIG_WIDTH, w);
config_set_d(CONFIG_HEIGHT, h);
context = SDL_GL_CreateContext(window);
SDL_GL_SetSwapInterval(vsync);
if (!glext_init())
return 0;
glViewport(0, 0, w, h);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glEnable(GL_NORMALIZE);
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glEnable(GL_BLEND);
#if !ENABLE_OPENGLES
glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL,
GL_SEPARATE_SPECULAR_COLOR);
#endif
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthFunc(GL_LEQUAL);
/* If GL supports multisample, and SDL got a multisample buffer... */
if (glext_check("ARB_multisample"))
{
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &buffers);
if (buffers) glEnable(GL_MULTISAMPLE);
}
/* Set up HMD display if requested. */
if (hmd)
hmd_init();
/* Initialize screen snapshotting. */
snapshot_init();
video_show_cursor();
/* Grab input immediately in HMD mode. */
if (hmd_stat())
SDL_SetWindowGrab(window, SDL_TRUE);
return 1;
}
/* If the mode failed, try it without stereo. */
else if (stereo)
{
config_set_d(CONFIG_STEREO, 0);
return video_mode(f, w, h);
}
/* If the mode failed, try decreasing the level of multisampling. */
else if (buffers)
{
config_set_d(CONFIG_MULTISAMPLE, samples / 2);
return video_mode(f, w, h);
}
/* If that mode failed, try it without reflections. */
else if (stencil)
{
config_set_d(CONFIG_REFLECTION, 0);
return video_mode(f, w, h);
}
/* If THAT mode failed, punt. */
return 0;
}
