bool gl_init_hw_render(gl_t *gl, unsigned width, unsigned height)
{
GLenum status;
unsigned i;
bool depth = false;
bool stencil = false;
GLint max_fbo_size = 0;
GLint max_renderbuffer_size = 0;
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
/* We can only share texture objects through contexts.
* FBOs are "abstract" objects and are not shared. */
context_bind_hw_render(true);
RARCH_LOG("[GL]: Initializing HW render (%u x %u).\n", width, height);
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_fbo_size);
glGetIntegerv(RARCH_GL_MAX_RENDERBUFFER_SIZE, &max_renderbuffer_size);
RARCH_LOG("[GL]: Max texture size: %d px, renderbuffer size: %d px.\n",
max_fbo_size, max_renderbuffer_size);
if (!gl_check_capability(GL_CAPS_FBO))
return false;
RARCH_LOG("[GL]: Supports FBO (render-to-texture).\n");
glBindTexture(GL_TEXTURE_2D, 0);
glGenFramebuffers(gl->textures, gl->hw_render_fbo);
depth = hwr->depth;
stencil = hwr->stencil;
#ifdef HAVE_OPENGLES
if (!gl_check_capability(GL_CAPS_PACKED_DEPTH_STENCIL))
return false;
RARCH_LOG("[GL]: Supports Packed depth stencil.\n");
#endif
if (depth)
{
glGenRenderbuffers(gl->textures, gl->hw_render_depth);
gl->hw_render_depth_init = true;
}
for (i = 0; i < gl->textures; i++)
{
glBindFramebuffer(RARCH_GL_FRAMEBUFFER, gl->hw_render_fbo[i]);
glFramebufferTexture2D(RARCH_GL_FRAMEBUFFER,
RARCH_GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, gl->texture[i], 0);
if (depth)
{
glBindRenderbuffer(RARCH_GL_RENDERBUFFER, gl->hw_render_depth[i]);
glRenderbufferStorage(RARCH_GL_RENDERBUFFER,
stencil ? RARCH_GL_DEPTH24_STENCIL8 : GL_DEPTH_COMPONENT16,
width, height);
glBindRenderbuffer(RARCH_GL_RENDERBUFFER, 0);
if (stencil)
{
#if defined(HAVE_OPENGLES2) || defined(HAVE_OPENGLES1) || ((defined(__MACH__) && (defined(__ppc__) || defined(__ppc64__))))
/* GLES2 is a bit weird, as always.
* There's no GL_DEPTH_STENCIL_ATTACHMENT like in desktop GL. */
glFramebufferRenderbuffer(RARCH_GL_FRAMEBUFFER,
RARCH_GL_DEPTH_ATTACHMENT,
RARCH_GL_RENDERBUFFER, gl->hw_render_depth[i]);
glFramebufferRenderbuffer(RARCH_GL_FRAMEBUFFER,
RARCH_GL_STENCIL_ATTACHMENT,
RARCH_GL_RENDERBUFFER, gl->hw_render_depth[i]);
#else
/* We use ARB FBO extensions, no need to check. */
glFramebufferRenderbuffer(RARCH_GL_FRAMEBUFFER,
GL_DEPTH_STENCIL_ATTACHMENT,
RARCH_GL_RENDERBUFFER, gl->hw_render_depth[i]);
#endif
}
else
{
glFramebufferRenderbuffer(RARCH_GL_FRAMEBUFFER,
RARCH_GL_DEPTH_ATTACHMENT,
RARCH_GL_RENDERBUFFER, gl->hw_render_depth[i]);
}
}
status = glCheckFramebufferStatus(RARCH_GL_FRAMEBUFFER);
if (status != RARCH_GL_FRAMEBUFFER_COMPLETE)
{
RARCH_ERR("[GL]: Failed to create HW render FBO #%u, error: 0x%u.\n",
i, (unsigned)status);
return false;
}
}
gl_bind_backbuffer();
gl->hw_render_fbo_init = true;
context_bind_hw_render(false);
return true;
}
static void *android_gfx_ctx_init(video_frame_info_t *video_info, void *video_driver)
{
#ifdef HAVE_OPENGLES
EGLint n, major, minor;
EGLint format;
#if 0
struct retro_hw_render_callback *hwr = video_driver_get_hw_context();
bool debug = hwr->debug_context;
#endif
EGLint context_attributes[] = {
EGL_CONTEXT_CLIENT_VERSION, g_es3 ? 3 : 2,
#if 0
EGL_CONTEXT_FLAGS_KHR, debug ? EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR : 0,
#endif
EGL_NONE
};
EGLint attribs[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_BLUE_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_RED_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 16,
EGL_NONE
};
#endif
struct android_app *android_app = (struct android_app*)g_android;
android_ctx_data_t *and = (android_ctx_data_t*)calloc(1, sizeof(*and));
if (!android_app || !and)
return false;
#ifdef HAVE_OPENGLES
if (g_es3)
attribs[1] = EGL_OPENGL_ES3_BIT_KHR;
#endif
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_EGL
RARCH_LOG("Android EGL: GLES version = %d.\n", g_es3 ? 3 : 2);
if (!egl_init_context(&and->egl, EGL_NONE, EGL_DEFAULT_DISPLAY,
&major, &minor, &n, attribs))
{
egl_report_error();
goto error;
}
if (!egl_get_native_visual_id(&and->egl, &format))
goto error;
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
if (!vulkan_context_init(&and->vk, VULKAN_WSI_ANDROID))
goto error;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
slock_lock(android_app->mutex);
if (!android_app->window)
goto unlock_error;
switch (android_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
ANativeWindow_setBuffersGeometry(android_app->window, 0, 0, format);
#ifdef HAVE_EGL
if (!egl_create_context(&and->egl, context_attributes))
{
egl_report_error();
goto unlock_error;
}
if (!egl_create_surface(&and->egl, android_app->window))
goto unlock_error;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
slock_unlock(android_app->mutex);
return and;
unlock_error:
slock_unlock(android_app->mutex);
error:
android_gfx_ctx_destroy(and);
return NULL;
}
static void create_gl_context(HWND hwnd, bool *quit)
{
struct retro_hw_render_callback *hwr = video_driver_get_hw_context();
bool debug = hwr->debug_context;
bool core_context = (win32_major * 1000 + win32_minor) >= 3001;
win32_hdc = GetDC(hwnd);
setup_pixel_format(win32_hdc);
#ifdef GL_DEBUG
debug = true;
#endif
if (win32_hrc)
{
RARCH_LOG("[WGL]: Using cached GL context.\n");
video_driver_set_video_cache_context_ack();
}
else
{
win32_hrc = wglCreateContext(win32_hdc);
/* We'll create shared context later if not. */
if (win32_hrc && !core_context && !debug)
{
win32_hw_hrc = wglCreateContext(win32_hdc);
if (win32_hw_hrc)
{
if (!wglShareLists(win32_hrc, win32_hw_hrc))
{
RARCH_LOG("[WGL]: Failed to share contexts.\n");
*quit = true;
}
}
else
*quit = true;
}
}
if (win32_hrc)
{
if (wglMakeCurrent(win32_hdc, win32_hrc))
g_win32_inited = true;
else
*quit = true;
}
else
{
*quit = true;
return;
}
if (core_context || debug)
{
int attribs[16];
int *aptr = attribs;
if (core_context)
{
*aptr++ = WGL_CONTEXT_MAJOR_VERSION_ARB;
*aptr++ = win32_major;
*aptr++ = WGL_CONTEXT_MINOR_VERSION_ARB;
*aptr++ = win32_minor;
/* Technically, we don't have core/compat until 3.2.
* Version 3.1 is either compat or not depending
* on GL_ARB_compatibility.
*/
if ((win32_major * 1000 + win32_minor) >= 3002)
{
*aptr++ = WGL_CONTEXT_PROFILE_MASK_ARB;
*aptr++ = WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
}
}
if (debug)
{
*aptr++ = WGL_CONTEXT_FLAGS_ARB;
*aptr++ = WGL_CONTEXT_DEBUG_BIT_ARB;
}
*aptr = 0;
if (!pcreate_context)
pcreate_context = (wglCreateContextAttribsProc)gfx_ctx_wgl_get_proc_address("wglCreateContextAttribsARB");
if (pcreate_context)
{
HGLRC context = pcreate_context(win32_hdc, NULL, attribs);
if (context)
{
wglMakeCurrent(NULL, NULL);
wglDeleteContext(win32_hrc);
win32_hrc = context;
if (!wglMakeCurrent(win32_hdc, win32_hrc))
*quit = true;
}
else
RARCH_ERR("[WGL]: Failed to create core context. Falling back to legacy context.\n");
if (win32_use_hw_ctx)
{
win32_hw_hrc = pcreate_context(win32_hdc, context, attribs);
if (!win32_hw_hrc)
{
RARCH_ERR("[WGL]: Failed to create shared context.\n");
*quit = true;
}
}
}
else
RARCH_ERR("[WGL]: wglCreateContextAttribsARB not supported.\n");
}
{
const char *(WINAPI * wglGetExtensionsStringARB) (HDC) = 0;
const char *extensions = NULL;
wglGetExtensionsStringARB = (const char *(WINAPI *) (HDC))
gfx_ctx_wgl_get_proc_address("wglGetExtensionsStringARB");
if (wglGetExtensionsStringARB)
extensions = wglGetExtensionsStringARB(win32_hdc);
RARCH_LOG("[WGL] extensions: %s\n", extensions);
if (wgl_has_extension("WGL_EXT_swap_control_tear", extensions))
{
RARCH_LOG("[WGL]: Adaptive VSync supported.\n");
wgl_adaptive_vsync = true;
}
}
}
static EGLint *egl_fill_attribs(gfx_ctx_wayland_data_t *wl, EGLint *attr)
{
switch (wl_api)
{
#ifdef EGL_KHR_create_context
case GFX_CTX_OPENGL_API:
{
bool debug = false;
#ifdef HAVE_OPENGL
unsigned version = wl->egl.major * 1000 + wl->egl.minor;
bool core = version >= 3001;
#ifndef GL_DEBUG
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
#endif
#ifdef GL_DEBUG
debug = true;
#else
debug = hwr->debug_context;
#endif
if (core)
{
*attr++ = EGL_CONTEXT_MAJOR_VERSION_KHR;
*attr++ = wl->egl.major;
*attr++ = EGL_CONTEXT_MINOR_VERSION_KHR;
*attr++ = wl->egl.minor;
/* Technically, we don't have core/compat until 3.2.
* Version 3.1 is either compat or not depending on GL_ARB_compatibility. */
if (version >= 3002)
{
*attr++ = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR;
*attr++ = EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
}
}
if (debug)
{
*attr++ = EGL_CONTEXT_FLAGS_KHR;
*attr++ = EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
}
#endif
break;
}
#endif
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGLES
*attr++ = EGL_CONTEXT_CLIENT_VERSION; /* Same as EGL_CONTEXT_MAJOR_VERSION */
*attr++ = wl->egl.major ? (EGLint)wl->egl.major : 2;
#ifdef EGL_KHR_create_context
if (wl->egl.minor > 0)
{
*attr++ = EGL_CONTEXT_MINOR_VERSION_KHR;
*attr++ = wl->egl.minor;
}
#endif
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
*attr = EGL_NONE;
return attr;
}
static void *gl1_gfx_init(const video_info_t *video,
const input_driver_t **input, void **input_data)
{
unsigned full_x, full_y;
gfx_ctx_input_t inp;
gfx_ctx_mode_t mode;
void *ctx_data = NULL;
const gfx_ctx_driver_t *ctx_driver = NULL;
unsigned win_width = 0, win_height = 0;
unsigned temp_width = 0, temp_height = 0;
settings_t *settings = config_get_ptr();
gl1_t *gl1 = (gl1_t*)calloc(1, sizeof(*gl1));
const char *vendor = NULL;
const char *renderer = NULL;
const char *version = NULL;
const char *extensions = NULL;
int interval = 0;
struct retro_hw_render_callback *hwr = NULL;
if (!gl1)
return NULL;
*input = NULL;
*input_data = NULL;
gl1_video_width = video->width;
gl1_video_height = video->height;
gl1_rgb32 = video->rgb32;
gl1_video_bits = video->rgb32 ? 32 : 16;
if (video->rgb32)
gl1_video_pitch = video->width * 4;
else
gl1_video_pitch = video->width * 2;
ctx_driver = video_context_driver_init_first(gl1,
settings->arrays.video_context_driver,
GFX_CTX_OPENGL_API, 1, 1, false, &ctx_data);
if (!ctx_driver)
goto error;
if (ctx_data)
gl1->ctx_data = ctx_data;
gl1->ctx_driver = ctx_driver;
video_context_driver_set((const gfx_ctx_driver_t*)ctx_driver);
RARCH_LOG("[GL1]: Found GL1 context: %s\n", ctx_driver->ident);
video_context_driver_get_video_size(&mode);
full_x = mode.width;
full_y = mode.height;
mode.width = 0;
mode.height = 0;
/* Clear out potential error flags in case we use cached context. */
glGetError();
if (string_is_equal(ctx_driver->ident, "null"))
goto error;
RARCH_LOG("[GL1]: Detecting screen resolution %ux%u.\n", full_x, full_y);
win_width = video->width;
win_height = video->height;
if (video->fullscreen && (win_width == 0) && (win_height == 0))
{
win_width = full_x;
win_height = full_y;
}
mode.width = win_width;
mode.height = win_height;
mode.fullscreen = video->fullscreen;
interval = video->swap_interval;
video_context_driver_swap_interval(&interval);
if (!video_context_driver_set_video_mode(&mode))
goto error;
gl1->fullscreen = video->fullscreen;
mode.width = 0;
mode.height = 0;
video_context_driver_get_video_size(&mode);
temp_width = mode.width;
temp_height = mode.height;
mode.width = 0;
mode.height = 0;
/* Get real known video size, which might have been altered by context. */
if (temp_width != 0 && temp_height != 0)
video_driver_set_size(&temp_width, &temp_height);
video_driver_get_size(&temp_width, &temp_height);
RARCH_LOG("[GL1]: Using resolution %ux%u\n", temp_width, temp_height);
vendor = (const char*)glGetString(GL_VENDOR);
renderer = (const char*)glGetString(GL_RENDERER);
version = (const char*)glGetString(GL_VERSION);
extensions = (const char*)glGetString(GL_EXTENSIONS);
if (!string_is_empty(version))
sscanf(version, "%d.%d", &gl1->version_major, &gl1->version_minor);
if (!string_is_empty(extensions))
gl1->extensions = string_split(extensions, " ");
RARCH_LOG("[GL1]: Vendor: %s, Renderer: %s.\n", vendor, renderer);
RARCH_LOG("[GL1]: Version: %s.\n", version);
RARCH_LOG("[GL1]: Extensions: %s\n", extensions);
{
char device_str[128];
device_str[0] = '\0';
if (!string_is_empty(vendor))
{
strlcpy(device_str, vendor, sizeof(device_str));
strlcat(device_str, " ", sizeof(device_str));
}
if (!string_is_empty(renderer))
strlcat(device_str, renderer, sizeof(device_str));
video_driver_set_gpu_device_string(device_str);
if (!string_is_empty(version))
video_driver_set_gpu_api_version_string(version);
}
inp.input = input;
inp.input_data = input_data;
video_context_driver_input_driver(&inp);
if (settings->bools.video_font_enable)
font_driver_init_osd(gl1, false,
video->is_threaded,
FONT_DRIVER_RENDER_OPENGL1_API);
gl1->smooth = settings->bools.video_smooth;
gl1->supports_bgra = string_list_find_elem(gl1->extensions, "GL_EXT_bgra");
glDisable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
glDisable(GL_STENCIL_TEST);
glDisable(GL_SCISSOR_TEST);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glGenTextures(1, &gl1->tex);
glGenTextures(1, &gl1->menu_tex);
hwr = video_driver_get_hw_context();
memcpy(gl1->tex_info.coord, gl1_tex_coords, sizeof(gl1->tex_info.coord));
gl1->vertex_ptr = hwr->bottom_left_origin
? gl1_vertexes : gl1_vertexes_flipped;
gl1->textures = 4;
gl1->white_color_ptr = gl1_white_color;
gl1->coords.vertex = gl1->vertex_ptr;
gl1->coords.tex_coord = gl1->tex_info.coord;
gl1->coords.color = gl1->white_color_ptr;
gl1->coords.lut_tex_coord = gl1_tex_coords;
gl1->coords.vertices = 4;
RARCH_LOG("[GL1]: Init complete.\n");
return gl1;
error:
video_context_driver_destroy();
if (gl1)
{
if (gl1->extensions)
string_list_free(gl1->extensions);
free(gl1);
}
return NULL;
}
/**
* drivers_init:
* @flags : Bitmask of drivers to initialize.
*
* Initializes drivers.
* @flags determines which drivers get initialized.
**/
void drivers_init(int flags)
{
bool video_is_threaded = false;
if (flags & DRIVER_VIDEO_MASK)
video_driver_unset_own_driver();
if (flags & DRIVER_AUDIO_MASK)
audio_driver_unset_own_driver();
if (flags & DRIVER_INPUT_MASK)
input_driver_unset_own_driver();
if (flags & DRIVER_CAMERA_MASK)
camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_OWN_DRIVER, NULL);
if (flags & DRIVER_LOCATION_MASK)
location_driver_ctl(RARCH_LOCATION_CTL_UNSET_OWN_DRIVER, NULL);
if (flags & DRIVER_WIFI_MASK)
wifi_driver_ctl(RARCH_WIFI_CTL_UNSET_OWN_DRIVER, NULL);
#ifdef HAVE_MENU
/* By default, we want the menu to persist through driver reinits. */
menu_driver_ctl(RARCH_MENU_CTL_SET_OWN_DRIVER, NULL);
#endif
if (flags & (DRIVER_VIDEO_MASK | DRIVER_AUDIO_MASK))
driver_adjust_system_rates();
if (flags & DRIVER_VIDEO_MASK)
{
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
video_driver_monitor_reset();
video_driver_init(&video_is_threaded);
if (!video_driver_is_video_cache_context_ack()
&& hwr->context_reset)
hwr->context_reset();
video_driver_unset_video_cache_context_ack();
rarch_ctl(RARCH_CTL_SET_FRAME_TIME_LAST, NULL);
}
if (flags & DRIVER_AUDIO_MASK)
{
audio_driver_init();
audio_driver_new_devices_list();
}
/* Only initialize camera driver if we're ever going to use it. */
if ((flags & DRIVER_CAMERA_MASK) && camera_driver_ctl(RARCH_CAMERA_CTL_IS_ACTIVE, NULL))
camera_driver_ctl(RARCH_CAMERA_CTL_INIT, NULL);
/* Only initialize location driver if we're ever going to use it. */
if ((flags & DRIVER_LOCATION_MASK) && location_driver_ctl(RARCH_LOCATION_CTL_IS_ACTIVE, NULL))
init_location();
core_info_init_current_core();
#ifdef HAVE_MENU
if (flags & DRIVER_VIDEO_MASK)
{
if (flags & DRIVER_MENU_MASK)
menu_driver_init(video_is_threaded);
}
#endif
if (flags & (DRIVER_VIDEO_MASK | DRIVER_AUDIO_MASK))
{
/* Keep non-throttled state as good as possible. */
if (input_driver_is_nonblock_state())
driver_set_nonblock_state();
}
if (flags & DRIVER_LED_MASK)
{
led_driver_init();
}
if (flags & DRIVER_MIDI_MASK)
midi_driver_init();
}
static bool gl_raster_font_upload_atlas(gl_raster_t *font)
{
unsigned i, j;
GLint gl_internal = GL_LUMINANCE_ALPHA;
GLenum gl_format = GL_LUMINANCE_ALPHA;
size_t ncomponents = 2;
uint8_t *tmp = NULL;
#if 0
bool ancient = false; /* add a check here if needed */
#endif
#if defined(GL_VERSION_3_0)
struct retro_hw_render_callback *hwr = video_driver_get_hw_context();
#endif
#if 0
if (ancient)
{
gl_internal = GL_RGBA;
gl_format = GL_RGBA;
ncomponents = 4;
}
#endif
#if defined(GL_VERSION_3_0)
if (gl_query_core_context_in_use() ||
(hwr->context_type == RETRO_HW_CONTEXT_OPENGL &&
hwr->version_major >= 3))
{
GLint swizzle[] = { GL_ONE, GL_ONE, GL_ONE, GL_RED };
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA, swizzle);
gl_internal = GL_R8;
gl_format = GL_RED;
ncomponents = 1;
}
#endif
tmp = (uint8_t*)calloc(font->tex_height, font->tex_width * ncomponents);
if (!tmp)
return false;
for (i = 0; i < font->atlas->height; ++i)
{
const uint8_t *src = &font->atlas->buffer[i * font->atlas->width];
uint8_t *dst = &tmp[i * font->tex_width * ncomponents];
switch (ncomponents)
{
case 1:
memcpy(dst, src, font->atlas->width);
break;
case 2:
for (j = 0; j < font->atlas->width; ++j)
{
*dst++ = 0xff;
*dst++ = *src++;
}
break;
case 4:
for (j = 0; j < font->atlas->width; ++j)
{
*dst++ = 0xff;
*dst++ = 0xff;
*dst++ = 0xff;
*dst++ = *src++;
}
break;
default:
RARCH_ERR("Unsupported number of components: %u\n",
(unsigned)ncomponents);
free(tmp);
return false;
}
}
glTexImage2D(GL_TEXTURE_2D, 0, gl_internal, font->tex_width, font->tex_height,
0, gl_format, GL_UNSIGNED_BYTE, tmp);
free(tmp);
return true;
}
/**
* init_drivers:
* @flags : Bitmask of drivers to initialize.
*
* Initializes drivers.
* @flags determines which drivers get initialized.
**/
static void init_drivers(int flags)
{
if (flags & DRIVER_VIDEO)
video_driver_unset_own_driver();
if (flags & DRIVER_AUDIO)
audio_driver_unset_own_driver();
if (flags & DRIVER_INPUT)
input_driver_unset_own_driver();
if (flags & DRIVER_CAMERA)
camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_OWN_DRIVER, NULL);
if (flags & DRIVER_LOCATION)
location_driver_ctl(RARCH_LOCATION_CTL_UNSET_OWN_DRIVER, NULL);
#ifdef HAVE_MENU
/* By default, we want the menu to persist through driver reinits. */
menu_driver_ctl(RARCH_MENU_CTL_SET_OWN_DRIVER, NULL);
#endif
if (flags & (DRIVER_VIDEO | DRIVER_AUDIO))
driver_adjust_system_rates();
if (flags & DRIVER_VIDEO)
{
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
video_driver_monitor_reset();
video_driver_init();
if (!video_driver_is_video_cache_context_ack()
&& hwr->context_reset)
hwr->context_reset();
video_driver_unset_video_cache_context_ack();
runloop_ctl(RUNLOOP_CTL_SET_FRAME_TIME_LAST, NULL);
}
if (flags & DRIVER_AUDIO)
{
audio_driver_init();
audio_driver_new_devices_list();
}
/* Only initialize camera driver if we're ever going to use it. */
if ((flags & DRIVER_CAMERA) && camera_driver_ctl(RARCH_CAMERA_CTL_IS_ACTIVE, NULL))
camera_driver_ctl(RARCH_CAMERA_CTL_INIT, NULL);
/* Only initialize location driver if we're ever going to use it. */
if ((flags & DRIVER_LOCATION) && location_driver_ctl(RARCH_LOCATION_CTL_IS_ACTIVE, NULL))
init_location();
#ifdef HAVE_MENU
if (flags & DRIVER_MENU)
{
menu_driver_ctl(RARCH_MENU_CTL_INIT, NULL);
menu_driver_ctl(RARCH_MENU_CTL_CONTEXT_RESET, NULL);
}
#endif
if (flags & (DRIVER_VIDEO | DRIVER_AUDIO))
{
/* Keep non-throttled state as good as possible. */
if (input_driver_is_nonblock_state())
driver_ctl(RARCH_DRIVER_CTL_SET_NONBLOCK_STATE, NULL);
}
}
bool gl_check_capability(enum gl_capability_enum enum_idx)
{
unsigned major = 0;
unsigned minor = 0;
const char *vendor = (const char*)glGetString(GL_VENDOR);
const char *renderer = (const char*)glGetString(GL_RENDERER);
const char *version = (const char*)glGetString(GL_VERSION);
#ifdef HAVE_OPENGLES
if (version && sscanf(version, "OpenGL ES %u.%u", &major, &minor) != 2)
#else
if (version && sscanf(version, "%u.%u", &major, &minor) != 2)
#endif
major = minor = 0;
(void)vendor;
switch (enum_idx)
{
case GL_CAPS_GLES3_SUPPORTED:
#if defined(HAVE_OPENGLES)
if (major >= 3)
return true;
#endif
break;
case GL_CAPS_EGLIMAGE:
#if defined(HAVE_EGL) && defined(HAVE_OPENGLES)
if (glEGLImageTargetTexture2DOES != NULL)
return true;
#endif
break;
case GL_CAPS_SYNC:
#ifdef HAVE_OPENGLES
if (major >= 3)
return true;
#else
if (gl_query_extension("ARB_sync") &&
glFenceSync && glDeleteSync && glClientWaitSync)
return true;
#endif
break;
case GL_CAPS_MIPMAP:
{
static bool extension_queried = false;
static bool extension = false;
if (!extension_queried)
{
extension = gl_query_extension("ARB_framebuffer_object");
extension_queried = true;
}
if (extension)
return true;
}
break;
case GL_CAPS_VAO:
#ifndef HAVE_OPENGLES
if (!gl_query_core_context_in_use() && !gl_query_extension("ARB_vertex_array_object"))
return false;
if (glGenVertexArrays && glBindVertexArray && glDeleteVertexArrays)
return true;
#endif
break;
case GL_CAPS_FBO:
#if defined(HAVE_PSGL) || defined(HAVE_OPENGLES2) || defined(HAVE_OPENGLES3) || defined(HAVE_OPENGLES_3_1) || defined(HAVE_OPENGLES_3_2)
return true;
#elif defined(HAVE_FBO)
if (!gl_query_core_context_in_use() && !gl_query_extension("ARB_framebuffer_object")
&& !gl_query_extension("EXT_framebuffer_object"))
return false;
if (glGenFramebuffers
&& glBindFramebuffer
&& glFramebufferTexture2D
&& glCheckFramebufferStatus
&& glDeleteFramebuffers
&& glGenRenderbuffers
&& glBindRenderbuffer
&& glFramebufferRenderbuffer
&& glRenderbufferStorage
&& glDeleteRenderbuffers)
return true;
break;
#else
break;
#endif
case GL_CAPS_ARGB8:
#ifdef HAVE_OPENGLES
if (gl_query_extension("OES_rgb8_rgba8")
|| gl_query_extension("ARM_argb8"))
return true;
#else
/* TODO/FIXME - implement this for non-GLES? */
#endif
break;
case GL_CAPS_DEBUG:
if (gl_query_extension("KHR_debug"))
return true;
#ifndef HAVE_OPENGLES
if (gl_query_extension("ARB_debug_output"))
return true;
#endif
break;
case GL_CAPS_PACKED_DEPTH_STENCIL:
{
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
if (major >= 3)
return true;
if (hwr->stencil
&& !gl_query_extension("OES_packed_depth_stencil")
&& !gl_query_extension("EXT_packed_depth_stencil"))
return false;
}
return true;
case GL_CAPS_ES2_COMPAT:
#ifndef HAVE_OPENGLES
/* ATI card detected, skipping check for GL_RGB565 support... */
if (vendor && renderer && (strstr(vendor, "ATI") || strstr(renderer, "ATI")))
return false;
if (gl_query_extension("ARB_ES2_compatibility"))
return true;
#endif
break;
case GL_CAPS_UNPACK_ROW_LENGTH:
#ifdef HAVE_OPENGLES
if (major >= 3)
return true;
/* Extension GL_EXT_unpack_subimage, can copy textures faster
* than using UNPACK_ROW_LENGTH */
if (gl_query_extension("GL_EXT_unpack_subimage"))
return true;
#endif
break;
case GL_CAPS_FULL_NPOT_SUPPORT:
if (major >= 3)
return true;
#ifdef HAVE_OPENGLES
if (gl_query_extension("ARB_texture_non_power_of_two") ||
gl_query_extension("OES_texture_npot"))
return true;
#else
{
GLint max_texture_size = 0;
GLint max_native_instr = 0;
/* try to detect actual npot support. might fail for older cards. */
bool arb_npot = gl_query_extension("ARB_texture_non_power_of_two");
bool arb_frag_program = gl_query_extension("ARB_fragment_program");
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
#ifdef GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB
if (arb_frag_program && glGetProgramivARB)
glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB,
GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB, &max_native_instr);
#endif
if (arb_npot && arb_frag_program &&
(max_texture_size >= 8192) && (max_native_instr >= 4096))
return true;
}
#endif
break;
case GL_CAPS_SRGB_FBO_ES3:
#ifdef HAVE_OPENGLES
if (major >= 3)
return true;
#else
break;
#endif
case GL_CAPS_SRGB_FBO:
#if defined(HAVE_OPENGLES)
if (major >= 3 || gl_query_extension("EXT_sRGB"))
return true;
#elif defined(HAVE_FBO)
if (gl_query_core_context_in_use() ||
(gl_query_extension("EXT_texture_sRGB")
&& gl_query_extension("ARB_framebuffer_sRGB")))
return true;
#endif
break;
case GL_CAPS_FP_FBO:
/* GLES - No extensions for float FBO currently. */
#ifndef HAVE_OPENGLES
#ifdef HAVE_FBO
/* Float FBO is core in 3.2. */
if (gl_query_core_context_in_use() || gl_query_extension("ARB_texture_float"))
return true;
#endif
#endif
break;
case GL_CAPS_BGRA8888:
#ifdef HAVE_OPENGLES
/* There are both APPLE and EXT variants. */
/* Videocore hardware supports BGRA8888 extension, but
* should be purposefully avoided. */
if (gl_query_extension("BGRA8888") && !strstr(renderer, "VideoCore"))
return true;
#else
/* TODO/FIXME - implement this for non-GLES? */
#endif
break;
case GL_CAPS_NONE:
default:
break;
}
return false;
}
enum rarch_shader_type video_shader_get_type_from_ext(
const char *ext, bool *is_preset)
{
enum gfx_ctx_api api = video_context_driver_get_api();
if (string_is_empty(ext))
return RARCH_SHADER_NONE;
if (strlen(ext) > 1 && ext[0] == '.')
ext++;
*is_preset = false;
if (
string_is_equal_case_insensitive(ext, "cg")
)
{
switch (api)
{
case GFX_CTX_DIRECT3D9_API:
return RARCH_SHADER_CG;
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
{
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
if (hwr)
{
switch (hwr->context_type)
{
case RETRO_HW_CONTEXT_OPENGLES2:
case RETRO_HW_CONTEXT_OPENGL_CORE:
case RETRO_HW_CONTEXT_OPENGLES3:
return RARCH_SHADER_NONE;
default:
break;
}
}
}
return RARCH_SHADER_CG;
default:
break;
}
}
if (
string_is_equal_case_insensitive(ext, "cgp")
)
{
*is_preset = true;
switch (api)
{
case GFX_CTX_DIRECT3D9_API:
return RARCH_SHADER_CG;
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
{
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
if (hwr)
{
switch (hwr->context_type)
{
case RETRO_HW_CONTEXT_OPENGLES2:
case RETRO_HW_CONTEXT_OPENGL_CORE:
case RETRO_HW_CONTEXT_OPENGLES3:
return RARCH_SHADER_NONE;
default:
break;
}
}
}
return RARCH_SHADER_CG;
default:
break;
}
}
if (
string_is_equal_case_insensitive(ext, "glsl")
)
{
switch (api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
return RARCH_SHADER_GLSL;
default:
break;
}
}
if (
string_is_equal_case_insensitive(ext, "glslp")
)
{
*is_preset = true;
switch (api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
return RARCH_SHADER_GLSL;
default:
break;
}
}
if (
string_is_equal_case_insensitive(ext, "slang")
)
{
switch (api)
{
case GFX_CTX_DIRECT3D10_API:
case GFX_CTX_DIRECT3D11_API:
case GFX_CTX_DIRECT3D12_API:
case GFX_CTX_GX2_API:
case GFX_CTX_VULKAN_API:
case GFX_CTX_METAL_API:
return RARCH_SHADER_SLANG;
default:
break;
}
}
if (
string_is_equal_case_insensitive(ext, "slangp")
)
{
*is_preset = true;
switch (api)
{
case GFX_CTX_DIRECT3D10_API:
case GFX_CTX_DIRECT3D11_API:
case GFX_CTX_DIRECT3D12_API:
case GFX_CTX_GX2_API:
case GFX_CTX_VULKAN_API:
case GFX_CTX_METAL_API:
return RARCH_SHADER_SLANG;
default:
break;
}
}
return RARCH_SHADER_NONE;
}
static void *gfx_ctx_x_init(video_frame_info_t *video_info, void *data)
{
int nelements = 0;
int major = 0;
int minor = 0;
#ifdef HAVE_OPENGL
static const int visual_attribs[] = {
GLX_X_RENDERABLE , True,
GLX_DRAWABLE_TYPE , GLX_WINDOW_BIT,
GLX_RENDER_TYPE , GLX_RGBA_BIT,
GLX_DOUBLEBUFFER , True,
GLX_RED_SIZE , 8,
GLX_GREEN_SIZE , 8,
GLX_BLUE_SIZE , 8,
GLX_ALPHA_SIZE , 8,
GLX_DEPTH_SIZE , 0,
GLX_STENCIL_SIZE , 0,
GLX_SAMPLE_BUFFERS , 0,
GLX_SAMPLES , 0,
None
};
GLXFBConfig *fbcs = NULL;
#endif
gfx_ctx_x_data_t *x = (gfx_ctx_x_data_t*)
calloc(1, sizeof(gfx_ctx_x_data_t));
#ifndef GL_DEBUG
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
#endif
if (!x)
return NULL;
current_context_data = x;
XInitThreads();
if (!x11_connect())
goto error;
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
glXQueryVersion(g_x11_dpy, &major, &minor);
/* GLX 1.3+ minimum required. */
if ((major * 1000 + minor) < 1003)
goto error;
glx_create_context_attribs = (PFNGLXCREATECONTEXTATTRIBSARBPROC)
glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB");
#ifdef GL_DEBUG
x->g_debug = true;
#else
x->g_debug = hwr->debug_context;
#endif
/* Have to use ContextAttribs */
#ifdef HAVE_OPENGLES2
x->g_core_es = true;
x->g_core_es_core = true;
#else
x->g_core_es = (g_major * 1000 + g_minor) >= 3001;
x->g_core_es_core = (g_major * 1000 + g_minor) >= 3002;
#endif
if ((x->g_core_es || x->g_debug) && !glx_create_context_attribs)
goto error;
fbcs = glXChooseFBConfig(g_x11_dpy, DefaultScreen(g_x11_dpy),
visual_attribs, &nelements);
if (!fbcs)
goto error;
if (!nelements)
{
XFree(fbcs);
goto error;
}
x->g_fbc = fbcs[0];
XFree(fbcs);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
/* Use XCB WSI since it's the most supported WSI over legacy Xlib. */
if (!vulkan_context_init(&x->vk, VULKAN_WSI_XCB))
goto error;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
switch (x_api)
{
case GFX_CTX_OPENGL_API:
#ifdef HAVE_OPENGL
if (GLXExtensionSupported(g_x11_dpy, "GLX_EXT_swap_control_tear"))
{
RARCH_LOG("[GLX]: GLX_EXT_swap_control_tear supported.\n");
x_adaptive_vsync = true;
}
if (GLXExtensionSupported(g_x11_dpy, "GLX_OML_sync_control") &&
GLXExtensionSupported(g_x11_dpy, "GLX_MESA_swap_control")
)
{
RARCH_LOG("[GLX]: GLX_OML_sync_control and GLX_MESA_swap_control supported, using better swap control method...\n");
x->swap_mode = 1;
glXGetSyncValuesOML = (GLXGETSYNCVALUESOMLPROC)glXGetProcAddress((unsigned char *)"glXGetSyncValuesOML");
glXGetMscRateOML = (GLXGETMSCRATEOMLPROC)glXGetProcAddress((unsigned char *)"glXGetMscRateOML");
glXSwapBuffersMscOML = (GLXSWAPBUFFERSMSCOMLPROC)glXGetProcAddress((unsigned char *)"glXSwapBuffersMscOML");
glXWaitForMscOML = (GLXWAITFORMSCOMLPROC)glXGetProcAddress((unsigned char *)"glXWaitForMscOML");
glXWaitForSbcOML = (GLXWAITFORSBCOMLPROC)glXGetProcAddress((unsigned char *)"glXWaitForSbcOML");
glXGetSyncValuesOML(g_x11_dpy, g_x11_win, &x->ust, &x->msc, &x->sbc);
#if 0
RARCH_LOG("[GLX]: UST: %d, MSC: %d, SBC: %d\n", x->ust, x->msc, x->sbc);
#endif
}
#endif
break;
default:
break;
}
return x;
error:
if (x)
{
gfx_ctx_x_destroy_resources(x);
free(x);
}
g_x11_screen = 0;
return NULL;
}
