static bool vg_frame(void *data, const void *frame,
unsigned frame_width, unsigned frame_height,
uint64_t frame_count, unsigned pitch, const char *msg)
{
unsigned width, height;
vg_t *vg = (vg_t*)data;
static struct retro_perf_counter vg_fr = {0};
static struct retro_perf_counter vg_image = {0};
rarch_perf_init(&vg_fr, "vg_fr");
retro_perf_start(&vg_fr);
video_driver_get_size(&width, &height);
if (frame_width != vg->mRenderWidth || frame_height != vg->mRenderHeight || vg->should_resize)
{
vg->mRenderWidth = frame_width;
vg->mRenderHeight = frame_height;
vg_calculate_quad(vg);
matrix_3x3_quad_to_quad(
vg->x1, vg->y1, vg->x2, vg->y1, vg->x2, vg->y2, vg->x1, vg->y2,
/* needs to be flipped, Khronos loves their bottom-left origin */
0, frame_height, frame_width, frame_height, frame_width, 0, 0, 0,
&vg->mTransformMatrix);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
vgLoadMatrix(vg->mTransformMatrix.data);
vg->should_resize = false;
}
vgSeti(VG_SCISSORING, VG_FALSE);
vgClear(0, 0, width, height);
vgSeti(VG_SCISSORING, VG_TRUE);
rarch_perf_init(&vg_image, "vg_image");
retro_perf_start(&vg_image);
vg_copy_frame(vg, frame, frame_width, frame_height, pitch);
retro_perf_stop(&vg_image);
vgDrawImage(vg->mImage);
#if 0
if (msg && vg->mFontsOn)
vg_draw_message(vg, msg);
#endif
gfx_ctx_update_window_title(vg);
retro_perf_stop(&vg_fr);
gfx_ctx_swap_buffers(vg);
return true;
}
static bool gfx_ctx_set_video_mode(
unsigned width, unsigned height,
bool fullscreen)
{
struct sigaction sa = {{0}};
sa.sa_handler = sighandler;
sa.sa_flags = SA_RESTART;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
int x_off = 0;
int y_off = 0;
bool windowed_full = g_settings.video.windowed_fullscreen;
bool true_full = false;
int (*old_handler)(Display*, XErrorEvent*) = NULL;
XSetWindowAttributes swa = {0};
XVisualInfo *vi = glXGetVisualFromFBConfig(g_dpy, g_fbc);
if (!vi)
goto error;
swa.colormap = g_cmap = XCreateColormap(g_dpy, RootWindow(g_dpy, vi->screen),
vi->visual, AllocNone);
swa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask;
swa.override_redirect = fullscreen ? True : False;
if (fullscreen && !windowed_full)
{
if (x11_enter_fullscreen(g_dpy, width, height, &g_desktop_mode))
{
g_should_reset_mode = true;
true_full = true;
}
else
RARCH_ERR("[GLX]: Entering true fullscreen failed. Will attempt windowed mode.\n");
}
if (g_settings.video.monitor_index)
g_screen = g_settings.video.monitor_index - 1;
#ifdef HAVE_XINERAMA
if (fullscreen || g_screen != 0)
{
unsigned new_width = width;
unsigned new_height = height;
if (x11_get_xinerama_coord(g_dpy, g_screen, &x_off, &y_off, &new_width, &new_height))
RARCH_LOG("[GLX]: Using Xinerama on screen #%u.\n", g_screen);
else
RARCH_LOG("[GLX]: Xinerama is not active on screen.\n");
if (fullscreen)
{
width = new_width;
height = new_height;
}
}
#endif
RARCH_LOG("[GLX]: X = %d, Y = %d, W = %u, H = %u.\n",
x_off, y_off, width, height);
g_win = XCreateWindow(g_dpy, RootWindow(g_dpy, vi->screen),
x_off, y_off, width, height, 0,
vi->depth, InputOutput, vi->visual,
CWBorderPixel | CWColormap | CWEventMask | (true_full ? CWOverrideRedirect : 0), &swa);
XSetWindowBackground(g_dpy, g_win, 0);
g_glx_win = glXCreateWindow(g_dpy, g_fbc, g_win, 0);
gfx_ctx_update_window_title(true);
x11_set_window_attr(g_dpy, g_win);
if (fullscreen)
x11_hide_mouse(g_dpy, g_win);
if (true_full)
{
RARCH_LOG("[GLX]: Using true fullscreen.\n");
XMapRaised(g_dpy, g_win);
}
else if (fullscreen) // We attempted true fullscreen, but failed. Attempt using windowed fullscreen.
{
XMapRaised(g_dpy, g_win);
RARCH_LOG("[GLX]: Using windowed fullscreen.\n");
// We have to move the window to the screen we want to go fullscreen on first.
// x_off and y_off usually get ignored in XCreateWindow().
x11_move_window(g_dpy, g_win, x_off, y_off, width, height);
x11_windowed_fullscreen(g_dpy, g_win);
}
else
{
XMapWindow(g_dpy, g_win);
// If we want to map the window on a different screen, we'll have to do it by force.
// Otherwise, we should try to let the window manager sort it out.
// x_off and y_off usually get ignored in XCreateWindow().
if (g_screen)
x11_move_window(g_dpy, g_win, x_off, y_off, width, height);
}
XEvent event;
XIfEvent(g_dpy, &event, glx_wait_notify, NULL);
g_ctx = glXCreateNewContext(g_dpy, g_fbc, GLX_RGBA_TYPE, 0, True);
if (!g_ctx)
{
RARCH_ERR("[GLX]: Failed to create new context.\n");
goto error;
}
glXMakeContextCurrent(g_dpy, g_glx_win, g_glx_win, g_ctx);
XSync(g_dpy, False);
g_quit_atom = XInternAtom(g_dpy, "WM_DELETE_WINDOW", False);
if (g_quit_atom)
XSetWMProtocols(g_dpy, g_win, &g_quit_atom, 1);
int val;
glXGetConfig(g_dpy, vi, GLX_DOUBLEBUFFER, &val);
g_is_double = val;
if (g_is_double)
{
const char *swap_func = NULL;
g_pglSwapInterval = (int (*)(int))glXGetProcAddress((const GLubyte*)"glXSwapIntervalMESA");
if (g_pglSwapInterval)
swap_func = "glXSwapIntervalMESA";
if (!g_pglSwapInterval)
{
g_pglSwapInterval = (int (*)(int))glXGetProcAddress((const GLubyte*)"glXSwapIntervalSGI");
if (g_pglSwapInterval)
swap_func = "glXSwapIntervalSGI";
}
if (!g_pglSwapInterval)
RARCH_WARN("[GLX]: Cannot find swap interval call.\n");
else
RARCH_LOG("[GLX]: Found swap function: %s.\n", swap_func);
}
else
RARCH_WARN("[GLX]: Context is not double buffered!.\n");
gfx_ctx_swap_interval(g_interval);
// This can blow up on some drivers. It's not fatal, so override errors for this call.
old_handler = XSetErrorHandler(nul_handler);
XSetInputFocus(g_dpy, g_win, RevertToNone, CurrentTime);
XSync(g_dpy, False);
XSetErrorHandler(old_handler);
XFree(vi);
g_has_focus = true;
g_inited = true;
driver.display_type = RARCH_DISPLAY_X11;
driver.video_display = (uintptr_t)g_dpy;
driver.video_window = (uintptr_t)g_win;
g_true_full = true_full;
return true;
error:
if (vi)
XFree(vi);
gfx_ctx_destroy();
return false;
}
static bool gfx_ctx_set_video_mode(
unsigned width, unsigned height,
bool fullscreen)
{
DWORD style;
HMONITOR hm_to_use = NULL;
MONITORINFOEX current_mon;
monitor_info(¤t_mon, &hm_to_use);
RECT mon_rect = current_mon.rcMonitor;
g_resize_width = width;
g_resize_height = height;
bool windowed_full = g_settings.video.windowed_fullscreen;
if (fullscreen)
{
if (windowed_full)
{
style = WS_EX_TOPMOST | WS_POPUP;
g_resize_width = width = mon_rect.right - mon_rect.left;
g_resize_height = height = mon_rect.bottom - mon_rect.top;
}
else
{
style = WS_POPUP | WS_VISIBLE;
if (!set_fullscreen(width, height, current_mon.szDevice))
goto error;
// display settings might have changed, get new coordinates
GetMonitorInfo(hm_to_use, (MONITORINFO*)¤t_mon);
mon_rect = current_mon.rcMonitor;
g_restore_desktop = true;
}
}
else
{
style = WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
RECT rect = {0};
rect.right = width;
rect.bottom = height;
AdjustWindowRect(&rect, style, FALSE);
width = rect.right - rect.left;
height = rect.bottom - rect.top;
}
g_hwnd = CreateWindowEx(0, "RetroArch", "RetroArch", style,
fullscreen ? mon_rect.left : CW_USEDEFAULT,
fullscreen ? mon_rect.top : CW_USEDEFAULT,
width, height,
NULL, NULL, NULL, NULL);
if (!g_hwnd)
goto error;
gfx_ctx_update_window_title(true);
if (!fullscreen || windowed_full)
{
ShowWindow(g_hwnd, SW_RESTORE);
UpdateWindow(g_hwnd);
SetForegroundWindow(g_hwnd);
SetFocus(g_hwnd);
}
show_cursor(!fullscreen);
// Wait until GL context is created (or failed to do so ...)
MSG msg;
while (!g_inited && !g_quit && GetMessage(&msg, g_hwnd, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if (g_quit)
goto error;
p_swap_interval = (BOOL (APIENTRY *)(int))wglGetProcAddress("wglSwapIntervalEXT");
gfx_ctx_swap_interval(g_interval);
driver.display_type = RARCH_DISPLAY_WIN32;
driver.video_display = 0;
driver.video_window = (uintptr_t)g_hwnd;
return true;
error:
gfx_ctx_destroy();
return false;
}
static void *vg_init(const video_info_t *video, const input_driver_t **input, void **input_data)
{
unsigned temp_width = 0, temp_height = 0;
VGfloat clearColor[4] = {0, 0, 0, 1};
settings_t *settings = config_get_ptr();
driver_t *driver = driver_get_ptr();
const gfx_ctx_driver_t *ctx = NULL;
vg_t *vg = (vg_t*)calloc(1, sizeof(vg_t));
if (!vg)
goto error;
ctx = gfx_ctx_init_first(vg, settings->video.context_driver,
GFX_CTX_OPENVG_API, 0, 0, false);
if (!ctx)
goto error;
driver->video_context = ctx;
gfx_ctx_get_video_size(vg, &temp_width, &temp_height);
RARCH_LOG("Detecting screen resolution %ux%u.\n", temp_width, temp_height);
if (temp_width != 0 && temp_height != 0)
{
video_driver_set_size_width(temp_width);
video_driver_set_size_width(temp_height);
}
gfx_ctx_swap_interval(vg, video->vsync ? 1 : 0);
gfx_ctx_update_window_title(vg);
vg->mTexType = video->rgb32 ? VG_sXRGB_8888 : VG_sRGB_565;
vg->keep_aspect = video->force_aspect;
unsigned win_width = video->width;
unsigned win_height = video->height;
if (video->fullscreen && (win_width == 0) && (win_height == 0))
{
video_driver_get_size(&temp_width, &temp_height);
win_width = temp_width;
win_height = temp_height;
}
if (!gfx_ctx_set_video_mode(vg, win_width, win_height, video->fullscreen))
goto error;
video_driver_get_size(&temp_width, &temp_height);
temp_width = 0;
temp_height = 0;
gfx_ctx_get_video_size(vg, &temp_width, &temp_height);
vg->should_resize = true;
if (temp_width != 0 && temp_height != 0)
{
RARCH_LOG("Verified window resolution %ux%u.\n", temp_width, temp_height);
video_driver_set_size_width(temp_width);
video_driver_set_size_height(temp_height);
}
video_driver_get_size(&temp_width, &temp_height);
vg->mScreenAspect = (float)temp_width / temp_height;
gfx_ctx_translate_aspect(vg, &vg->mScreenAspect, temp_width, temp_height);
vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
vg->mTextureWidth = vg->mTextureHeight = video->input_scale * RARCH_SCALE_BASE;
vg->mImage = vgCreateImage(vg->mTexType, vg->mTextureWidth, vg->mTextureHeight,
video->smooth ? VG_IMAGE_QUALITY_BETTER : VG_IMAGE_QUALITY_NONANTIALIASED);
vg_set_nonblock_state(vg, !video->vsync);
gfx_ctx_input_driver(vg, input, input_data);
if (settings->video.font_enable && font_renderer_create_default(&vg->font_driver, &vg->mFontRenderer,
*settings->video.font_path ? settings->video.font_path : NULL, settings->video.font_size))
{
vg->mFont = vgCreateFont(0);
if (vg->mFont != VG_INVALID_HANDLE)
{
vg->mFontsOn = true;
vg->mFontHeight = settings->video.font_size;
vg->mPaintFg = vgCreatePaint();
vg->mPaintBg = vgCreatePaint();
VGfloat paintFg[] = { settings->video.msg_color_r, settings->video.msg_color_g, settings->video.msg_color_b, 1.0f };
VGfloat paintBg[] = { settings->video.msg_color_r / 2.0f, settings->video.msg_color_g / 2.0f, settings->video.msg_color_b / 2.0f, 0.5f };
vgSetParameteri(vg->mPaintFg, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetParameterfv(vg->mPaintFg, VG_PAINT_COLOR, 4, paintFg);
vgSetParameteri(vg->mPaintBg, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetParameterfv(vg->mPaintBg, VG_PAINT_COLOR, 4, paintBg);
}
}
if (vg_query_extension("KHR_EGL_image") && gfx_ctx_image_buffer_init(vg, video))
{
pvgCreateEGLImageTargetKHR = (PFNVGCREATEEGLIMAGETARGETKHRPROC)gfx_ctx_get_proc_address("vgCreateEGLImageTargetKHR");
if (pvgCreateEGLImageTargetKHR)
{
RARCH_LOG("[VG] Using EGLImage buffer\n");
vg->mEglImageBuf = true;
}
}
#if 0
const char *ext = (const char*)vgGetString(VG_EXTENSIONS);
if (ext)
RARCH_LOG("[VG] Supported extensions: %s\n", ext);
#endif
return vg;
error:
if (vg)
free(vg);
if (driver)
driver->video_context = NULL;
return NULL;
}
static bool gfx_ctx_set_video_mode(
unsigned width, unsigned height,
bool fullscreen)
{
struct sigaction sa = {{0}};
sa.sa_handler = sighandler;
sa.sa_flags = SA_RESTART;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
XVisualInfo temp = {0};
XSetWindowAttributes swa = {0};
XVisualInfo *vi = NULL;
bool windowed_full = g_settings.video.windowed_fullscreen;
bool true_full = false;
int x_off = 0;
int y_off = 0;
EGLint vid;
if (!eglGetConfigAttrib(g_egl_dpy, g_config, EGL_NATIVE_VISUAL_ID, &vid))
goto error;
temp.visualid = vid;
EGLint num_visuals;
vi = XGetVisualInfo(g_dpy, VisualIDMask, &temp, &num_visuals);
if (!vi)
goto error;
swa.colormap = g_cmap = XCreateColormap(g_dpy, RootWindow(g_dpy, vi->screen),
vi->visual, AllocNone);
swa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask;
swa.override_redirect = fullscreen ? True : False;
if (fullscreen && !windowed_full)
{
if (x11_enter_fullscreen(g_dpy, width, height, &g_desktop_mode))
{
g_should_reset_mode = true;
true_full = true;
}
else
RARCH_ERR("[X/EGL]: Entering true fullscreen failed. Will attempt windowed mode.\n");
}
if (g_settings.video.monitor_index)
g_screen = g_settings.video.monitor_index - 1;
#ifdef HAVE_XINERAMA
if (fullscreen || g_screen != 0)
{
unsigned new_width = width;
unsigned new_height = height;
if (x11_get_xinerama_coord(g_dpy, g_screen, &x_off, &y_off, &new_width, &new_height))
RARCH_LOG("[X/EGL]: Using Xinerama on screen #%u.\n", g_screen);
else
RARCH_LOG("[X/EGL]: Xinerama is not active on screen.\n");
if (fullscreen)
{
width = new_width;
height = new_height;
}
}
#endif
RARCH_LOG("[X/EGL]: X = %d, Y = %d, W = %u, H = %u.\n",
x_off, y_off, width, height);
g_win = XCreateWindow(g_dpy, RootWindow(g_dpy, vi->screen),
x_off, y_off, width, height, 0,
vi->depth, InputOutput, vi->visual,
CWBorderPixel | CWColormap | CWEventMask | (true_full ? CWOverrideRedirect : 0), &swa);
XSetWindowBackground(g_dpy, g_win, 0);
// GLES 2.0. Don't use for any other API.
static const EGLint egl_ctx_gles_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE,
};
g_egl_ctx = eglCreateContext(g_egl_dpy, g_config, EGL_NO_CONTEXT,
(g_api == GFX_CTX_OPENGL_ES_API) ? egl_ctx_gles_attribs : NULL);
if (!g_egl_ctx)
goto error;
g_egl_surf = eglCreateWindowSurface(g_egl_dpy, g_config, (EGLNativeWindowType)g_win, NULL);
if (!g_egl_surf)
goto error;
if (!eglMakeCurrent(g_egl_dpy, g_egl_surf, g_egl_surf, g_egl_ctx))
goto error;
gfx_ctx_update_window_title(true);
x11_set_window_attr(g_dpy, g_win);
if (fullscreen)
x11_hide_mouse(g_dpy, g_win);
if (true_full)
{
RARCH_LOG("[GLX]: Using true fullscreen.\n");
XMapRaised(g_dpy, g_win);
}
else if (fullscreen) // We attempted true fullscreen, but failed. Attempt using windowed fullscreen.
{
XMapRaised(g_dpy, g_win);
RARCH_LOG("[X/EGL]: Using windowed fullscreen.\n");
// We have to move the window to the screen we want to go fullscreen on first.
// x_off and y_off usually get ignored in XCreateWindow().
x11_move_window(g_dpy, g_win, x_off, y_off, width, height);
x11_windowed_fullscreen(g_dpy, g_win);
}
else
{
XMapWindow(g_dpy, g_win);
// If we want to map the window on a different screen, we'll have to do it by force.
// Otherwise, we should try to let the window manager sort it out.
// x_off and y_off usually get ignored in XCreateWindow().
if (g_screen)
x11_move_window(g_dpy, g_win, x_off, y_off, width, height);
}
XEvent event;
XIfEvent(g_dpy, &event, egl_wait_notify, NULL);
XSetInputFocus(g_dpy, g_win, RevertToNone, CurrentTime);
g_quit_atom = XInternAtom(g_dpy, "WM_DELETE_WINDOW", False);
if (g_quit_atom)
XSetWMProtocols(g_dpy, g_win, &g_quit_atom, 1);
gfx_ctx_swap_interval(g_interval);
XFree(vi);
g_has_focus = true;
g_inited = true;
driver.display_type = RARCH_DISPLAY_X11;
driver.video_display = (uintptr_t)g_dpy;
driver.video_window = (uintptr_t)g_win;
g_true_full = true_full;
return true;
error:
if (vi)
XFree(vi);
gfx_ctx_destroy();
return false;
}
static void *gl_init(const video_info_t *video, const input_driver_t **input, void **input_data)
{
#ifdef _WIN32
gfx_set_dwm();
#endif
#ifdef RARCH_CONSOLE
if (driver.video_data)
return driver.video_data;
#endif
gl_t *gl = (gl_t*)calloc(1, sizeof(gl_t));
if (!gl)
return NULL;
if (!gfx_ctx_init())
{
free(gl);
return NULL;
}
unsigned full_x = 0, full_y = 0;
gfx_ctx_get_video_size(&full_x, &full_y);
RARCH_LOG("Detecting resolution %ux%u.\n", full_x, full_y);
gfx_ctx_set_swap_interval(video->vsync ? 1 : 0, false);
unsigned win_width = video->width;
unsigned win_height = video->height;
if (video->fullscreen && (win_width == 0) && (win_height == 0))
{
win_width = full_x;
win_height = full_y;
}
if (!gfx_ctx_set_video_mode(win_width, win_height,
g_settings.video.force_16bit ? 15 : 0, video->fullscreen))
{
free(gl);
return NULL;
}
#ifndef RARCH_CONSOLE
gfx_ctx_update_window_title(true);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
#endif
#if (defined(HAVE_XML) || defined(HAVE_CG)) && defined(_WIN32)
// Win32 GL lib doesn't have some functions needed for XML shaders.
// Need to load dynamically :(
if (!load_gl_proc())
{
gfx_ctx_destroy();
free(gl);
return NULL;
}
#endif
gl->vsync = video->vsync;
gl->fullscreen = video->fullscreen;
gl->full_x = full_x;
gl->full_y = full_y;
gl->win_width = win_width;
gl->win_height = win_height;
RARCH_LOG("GL: Using resolution %ux%u\n", gl->win_width, gl->win_height);
#if defined(HAVE_CG_MENU) && defined(RARCH_CONSOLE)
RARCH_LOG("Initializing menu shader ...\n");
gl_cg_set_menu_shader(default_paths.menu_shader_file);
#endif
if (!gl_shader_init())
{
RARCH_ERR("Shader init failed.\n");
gfx_ctx_destroy();
free(gl);
return NULL;
}
RARCH_LOG("GL: Loaded %u program(s).\n", gl_shader_num());
#ifdef HAVE_FBO
// Set up render to texture.
gl_init_fbo(gl, RARCH_SCALE_BASE * video->input_scale,
RARCH_SCALE_BASE * video->input_scale);
#endif
gl->keep_aspect = video->force_aspect;
// Apparently need to set viewport for passes when we aren't using FBOs.
gl_shader_use(0);
gl_set_viewport(gl, gl->win_width, gl->win_height, false, true);
gl_shader_use(1);
gl_set_viewport(gl, gl->win_width, gl->win_height, false, true);
bool force_smooth = false;
if (gl_shader_filter_type(1, &force_smooth))
gl->tex_filter = force_smooth ? GL_LINEAR : GL_NEAREST;
else
gl->tex_filter = video->smooth ? GL_LINEAR : GL_NEAREST;
gl->texture_type = RARCH_GL_TEXTURE_TYPE;
gl->texture_fmt = video->rgb32 ? RARCH_GL_FORMAT32 : RARCH_GL_FORMAT16;
gl->base_size = video->rgb32 ? sizeof(uint32_t) : sizeof(uint16_t);
glEnable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glDisable(GL_DITHER);
glClearColor(0, 0, 0, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, vertex_ptr);
memcpy(gl->tex_coords, tex_coords, sizeof(tex_coords));
glTexCoordPointer(2, GL_FLOAT, 0, gl->tex_coords);
glColorPointer(4, GL_FLOAT, 0, white_color);
set_lut_texture_coords(tex_coords);
gl->tex_w = RARCH_SCALE_BASE * video->input_scale;
gl->tex_h = RARCH_SCALE_BASE * video->input_scale;
#ifdef HAVE_OPENGL_TEXREF
glGenBuffers(1, &gl->pbo);
glBindBuffer(GL_TEXTURE_REFERENCE_BUFFER_SCE, gl->pbo);
glBufferData(GL_TEXTURE_REFERENCE_BUFFER_SCE,
gl->tex_w * gl->tex_h * gl->base_size * TEXTURES, NULL, GL_STREAM_DRAW);
#endif
// Empty buffer that we use to clear out the texture with on res change.
gl->empty_buf = calloc(gl->tex_w * gl->tex_h, gl->base_size);
gl_init_textures(gl);
for (unsigned i = 0; i < TEXTURES; i++)
{
gl->last_width[i] = gl->tex_w;
gl->last_height[i] = gl->tex_h;
}
for (unsigned i = 0; i < TEXTURES; i++)
{
gl->prev_info[i].tex = gl->texture[(gl->tex_index - (i + 1)) & TEXTURES_MASK];
gl->prev_info[i].input_size[0] = gl->tex_w;
gl->prev_info[i].tex_size[0] = gl->tex_w;
gl->prev_info[i].input_size[1] = gl->tex_h;
gl->prev_info[i].tex_size[1] = gl->tex_h;
memcpy(gl->prev_info[i].coord, tex_coords, sizeof(tex_coords));
}
gfx_ctx_input_driver(input, input_data);
gl_init_font(gl, g_settings.video.font_path, g_settings.video.font_size);
if (!gl_check_error())
{
gfx_ctx_destroy();
free(gl);
return NULL;
}
return gl;
}
static bool gl_frame(void *data, const void *frame, unsigned width, unsigned height, unsigned pitch, const char *msg)
{
gl_t *gl = (gl_t*)data;
gl_shader_use(1);
gl->frame_count++;
glBindTexture(GL_TEXTURE_2D, gl->texture[gl->tex_index]);
#ifdef HAVE_FBO
// Render to texture in first pass.
if (gl->fbo_inited)
{
// Recompute FBO geometry.
// When width/height changes or window sizes change, we have to recalcuate geometry of our FBO.
gl_compute_fbo_geometry(gl, width, height, gl->vp_out_width, gl->vp_out_height);
gl_start_frame_fbo(gl);
}
#endif
if (gl->should_resize)
{
gl->should_resize = false;
gfx_ctx_set_resize(gl->win_width, gl->win_height);
// On resize, we might have to recreate our FBOs due to "Viewport" scale, and set a new viewport.
gl_update_resize(gl);
}
if (frame) // Can be NULL for frame dupe / NULL render.
{
gl_update_input_size(gl, width, height, pitch);
gl_copy_frame(gl, frame, width, height, pitch);
}
struct gl_tex_info tex_info = {0};
tex_info.tex = gl->texture[gl->tex_index];
tex_info.input_size[0] = width;
tex_info.input_size[1] = height;
tex_info.tex_size[0] = gl->tex_w;
tex_info.tex_size[1] = gl->tex_h;
memcpy(tex_info.coord, gl->tex_coords, sizeof(gl->tex_coords));
glClear(GL_COLOR_BUFFER_BIT);
gl_shader_set_params(width, height,
gl->tex_w, gl->tex_h,
gl->vp_width, gl->vp_height,
gl->frame_count,
&tex_info, gl->prev_info, NULL, 0);
glDrawArrays(GL_QUADS, 0, 4);
#ifdef HAVE_FBO
if (gl->fbo_inited)
gl_frame_fbo(gl, &tex_info);
#endif
gl_next_texture_index(gl, &tex_info);
if (msg)
{
gl_render_msg(gl, msg);
gl_render_msg_post(gl);
}
#ifndef RARCH_CONSOLE
gfx_ctx_update_window_title(false);
#endif
#ifdef RARCH_CONSOLE
if (!gl->block_swap)
#endif
gfx_ctx_swap_buffers();
#ifdef HAVE_CG_MENU
if (gl->menu_render)
gl_render_menu(gl);
#endif
return true;
}
