static int drm_egl_init(struct MPGLContext *ctx, int flags)
{
struct priv *p = ctx->priv;
p->kms = NULL;
p->old_crtc = NULL;
p->gbm.surface = NULL;
p->gbm.device = NULL;
p->active = false;
p->waiting_for_flip = false;
p->ev.version = DRM_EVENT_CONTEXT_VERSION;
p->ev.page_flip_handler = page_flipped;
p->vt_switcher_active = vt_switcher_init(&p->vt_switcher, ctx->vo->log);
if (p->vt_switcher_active) {
vt_switcher_acquire(&p->vt_switcher, acquire_vt, ctx);
vt_switcher_release(&p->vt_switcher, release_vt, ctx);
} else {
MP_WARN(ctx->vo, "Failed to set up VT switcher. Terminal switching will be unavailable.\n");
}
MP_VERBOSE(ctx->vo, "Initializing KMS\n");
p->kms = kms_create(ctx->vo->log);
if (!p->kms) {
MP_ERR(ctx->vo, "Failed to create KMS.\n");
return -1;
}
// TODO: arguments should be configurable
if (!kms_setup(p->kms, "/dev/dri/card0", -1, 0)) {
MP_ERR(ctx->vo, "Failed to configure KMS.\n");
return -1;
}
if (!init_gbm(ctx)) {
MP_ERR(ctx->vo, "Failed to setup GBM.\n");
return -1;
}
if (!init_egl(ctx, flags & VOFLAG_GLES)) {
MP_ERR(ctx->vo, "Failed to setup EGL.\n");
return -1;
}
if (!eglMakeCurrent(p->egl.display, p->egl.surface, p->egl.surface, p->egl.context)) {
MP_ERR(ctx->vo, "Failed to make context current.\n");
return -1;
}
const char *egl_exts = eglQueryString(p->egl.display, EGL_EXTENSIONS);
void *(*gpa)(const GLubyte*) = (void *(*)(const GLubyte*))eglGetProcAddress;
mpgl_load_functions(ctx->gl, gpa, egl_exts, ctx->vo->log);
// required by gbm_surface_lock_front_buffer
eglSwapBuffers(p->egl.display, p->egl.surface);
MP_VERBOSE(ctx->vo, "Preparing framebuffer\n");
p->gbm.bo = gbm_surface_lock_front_buffer(p->gbm.surface);
if (!p->gbm.bo) {
MP_ERR(ctx->vo, "Failed to lock GBM surface.\n");
return -1;
}
update_framebuffer_from_bo(ctx, p->gbm.bo);
if (!p->fb.id) {
MP_ERR(ctx->vo, "Failed to create framebuffer.\n");
return -1;
}
if (!crtc_setup(ctx)) {
MP_ERR(
ctx->vo,
"Failed to set CRTC for connector %u: %s\n",
p->kms->connector->connector_id,
mp_strerror(errno));
return -1;
}
return 0;
}
static bool create_context_x11_old(struct MPGLContext *ctx)
{
struct glx_context *glx_ctx = ctx->priv;
Display *display = ctx->vo->x11->display;
struct vo *vo = ctx->vo;
GL *gl = ctx->gl;
if (glx_ctx->context)
return true;
GLXContext new_context = glXCreateContext(display, glx_ctx->vinfo, NULL,
True);
if (!new_context) {
MP_FATAL(vo, "Could not create GLX context!\n");
return false;
}
if (!glXMakeCurrent(display, ctx->vo->x11->window, new_context)) {
MP_FATAL(vo, "Could not set GLX context!\n");
glXDestroyContext(display, new_context);
return false;
}
void *(*getProcAddress)(const GLubyte *);
getProcAddress = mp_getdladdr("glXGetProcAddress");
if (!getProcAddress)
getProcAddress = mp_getdladdr("glXGetProcAddressARB");
const char *glxstr = "";
const char *(*glXExtStr)(Display *, int)
= mp_getdladdr("glXQueryExtensionsString");
if (glXExtStr)
glxstr = glXExtStr(display, ctx->vo->x11->screen);
mpgl_load_functions(gl, getProcAddress, glxstr, vo->log);
if (!gl->GenPrograms && gl->GetString &&
gl->version < MPGL_VER(3, 0) &&
strstr(gl->GetString(GL_EXTENSIONS), "GL_ARB_vertex_program"))
{
MP_WARN(vo, "Broken glXGetProcAddress detected, trying workaround\n");
mpgl_load_functions(gl, NULL, glxstr, vo->log);
}
glx_ctx->context = new_context;
if (!glXIsDirect(vo->x11->display, new_context))
ctx->gl->mpgl_caps &= ~MPGL_CAP_NO_SW;
return true;
}
static bool create_context_x11_gl3(struct MPGLContext *ctx, int vo_flags,
int gl_version, bool es)
{
struct glx_context *glx_ctx = ctx->priv;
struct vo *vo = ctx->vo;
if (glx_ctx->context)
return true;
glXCreateContextAttribsARBProc glXCreateContextAttribsARB =
(glXCreateContextAttribsARBProc)
glXGetProcAddressARB((const GLubyte *)"glXCreateContextAttribsARB");
const char *glxstr =
glXQueryExtensionsString(vo->x11->display, vo->x11->screen);
bool have_ctx_ext = glxstr && !!strstr(glxstr, "GLX_ARB_create_context");
if (!(have_ctx_ext && glXCreateContextAttribsARB)) {
return false;
}
int ctx_flags = vo_flags & VOFLAG_GL_DEBUG ? GLX_CONTEXT_DEBUG_BIT_ARB : 0;
int profile_mask = GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
if (es) {
profile_mask = GLX_CONTEXT_ES2_PROFILE_BIT_EXT;
if (!(glxstr && strstr(glxstr, "GLX_EXT_create_context_es2_profile")))
return false;
}
int context_attribs[] = {
GLX_CONTEXT_MAJOR_VERSION_ARB, MPGL_VER_GET_MAJOR(gl_version),
GLX_CONTEXT_MINOR_VERSION_ARB, MPGL_VER_GET_MINOR(gl_version),
GLX_CONTEXT_PROFILE_MASK_ARB, profile_mask,
GLX_CONTEXT_FLAGS_ARB, ctx_flags,
None
};
vo_x11_silence_xlib(1);
GLXContext context = glXCreateContextAttribsARB(vo->x11->display,
glx_ctx->fbc, 0, True,
context_attribs);
vo_x11_silence_xlib(-1);
if (!context) {
MP_VERBOSE(vo, "Could not create GL3 context. Retrying with legacy context.\n");
return false;
}
// set context
if (!glXMakeCurrent(vo->x11->display, vo->x11->window, context)) {
MP_FATAL(vo, "Could not set GLX context!\n");
glXDestroyContext(vo->x11->display, context);
return false;
}
glx_ctx->context = context;
mpgl_load_functions(ctx->gl, (void *)glXGetProcAddressARB, glxstr, vo->log);
return true;
}
static bool create_gl_context(struct MPGLContext *ctx)
{
struct cgl_context *p = ctx->priv;
CGLError err;
CGLOpenGLProfile gl_versions[] = {
kCGLOGLPVersion_3_2_Core,
kCGLOGLPVersion_Legacy,
};
for (int n = 0; n < MP_ARRAY_SIZE(gl_versions); n++) {
err = test_gl_version(ctx->vo, &p->ctx, &p->pix, gl_versions[n]);
if (err == kCGLNoError)
break;
}
if (err != kCGLNoError) {
MP_FATAL(ctx->vo, "error creating CGL context: %s (%d)\n",
CGLErrorString(err), err);
return false;
}
vo_cocoa_set_opengl_ctx(ctx->vo, p->ctx);
CGLSetCurrentContext(p->ctx);
ctx->depth_r = ctx->depth_g = ctx->depth_b = cgl_color_size(ctx);
mpgl_load_functions(ctx->gl, (void *)cocoa_glgetaddr, NULL, ctx->vo->log);
CGLReleasePixelFormat(p->pix);
return true;
}
int mp_egl_rpi_init(struct mp_egl_rpi *p, DISPMANX_ELEMENT_HANDLE_T window,
int w, int h)
{
p->egl_display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (!eglInitialize(p->egl_display, NULL, NULL)) {
MP_FATAL(p, "EGL failed to initialize.\n");
goto fail;
}
eglBindAPI(EGL_OPENGL_ES_API);
EGLConfig config = select_fb_config_egl(p);
if (!config)
goto fail;
p->egl_window = (EGL_DISPMANX_WINDOW_T){
.element = window,
.width = w,
.height = h,
};
p->egl_surface = eglCreateWindowSurface(p->egl_display, config,
&p->egl_window, NULL);
if (p->egl_surface == EGL_NO_SURFACE) {
MP_FATAL(p, "Could not create EGL surface!\n");
goto fail;
}
EGLint context_attributes[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
p->egl_context = eglCreateContext(p->egl_display, config,
EGL_NO_CONTEXT, context_attributes);
if (p->egl_context == EGL_NO_CONTEXT) {
MP_FATAL(p, "Could not create EGL context!\n");
goto fail;
}
eglMakeCurrent(p->egl_display, p->egl_surface, p->egl_surface,
p->egl_context);
p->gl = talloc_zero(NULL, struct GL);
const char *exts = eglQueryString(p->egl_display, EGL_EXTENSIONS);
mpgl_load_functions(p->gl, get_proc_address, exts, p->log);
if (!p->gl->version && !p->gl->es)
goto fail;
return 0;
fail:
mp_egl_rpi_destroy(p);
return -1;
}
static bool create_context_x11_gl3(struct MPGLContext *ctx, bool debug)
{
struct glx_context *glx_ctx = ctx->priv;
struct vo *vo = ctx->vo;
if (glx_ctx->context)
return true;
glXCreateContextAttribsARBProc glXCreateContextAttribsARB =
(glXCreateContextAttribsARBProc)
glXGetProcAddressARB((const GLubyte *)"glXCreateContextAttribsARB");
const char *glxstr = "";
const char *(*glXExtStr)(Display *, int)
= mp_getdladdr("glXQueryExtensionsString");
if (glXExtStr)
glxstr = glXExtStr(vo->x11->display, vo->x11->screen);
bool have_ctx_ext = glxstr && !!strstr(glxstr, "GLX_ARB_create_context");
if (!(have_ctx_ext && glXCreateContextAttribsARB)) {
return false;
}
int gl_version = ctx->requested_gl_version;
int context_attribs[] = {
GLX_CONTEXT_MAJOR_VERSION_ARB, MPGL_VER_GET_MAJOR(gl_version),
GLX_CONTEXT_MINOR_VERSION_ARB, MPGL_VER_GET_MINOR(gl_version),
GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
GLX_CONTEXT_FLAGS_ARB, debug ? GLX_CONTEXT_DEBUG_BIT_ARB : 0,
None
};
GLXContext context = glXCreateContextAttribsARB(vo->x11->display,
glx_ctx->fbc, 0, True,
context_attribs);
if (!context) {
MP_ERR(vo, "Could not create GL3 context. Retrying with legacy context.\n");
return false;
}
// set context
if (!glXMakeCurrent(vo->x11->display, vo->x11->window, context)) {
MP_FATAL(vo, "Could not set GLX context!\n");
glXDestroyContext(vo->x11->display, context);
return false;
}
glx_ctx->context = context;
mpgl_load_functions(ctx->gl, (void *)glXGetProcAddress, glxstr, vo->log);
if (!glXIsDirect(vo->x11->display, context))
ctx->gl->mpgl_caps &= ~MPGL_CAP_NO_SW;
return true;
}
static bool config_window_cocoa(struct MPGLContext *ctx, int flags)
{
int rv = vo_cocoa_config_window(ctx->vo, flags,
ctx->requested_gl_version >= MPGL_VER(3, 0));
if (rv != 0)
return false;
mpgl_load_functions(ctx->gl, (void *)vo_cocoa_glgetaddr, NULL, ctx->vo->log);
ctx->depth_r = vo_cocoa_cgl_color_size(ctx->vo);
ctx->depth_g = vo_cocoa_cgl_color_size(ctx->vo);
ctx->depth_b = vo_cocoa_cgl_color_size(ctx->vo);
if (!ctx->gl->SwapInterval)
ctx->gl->SwapInterval = vo_cocoa_swap_interval;
vo_cocoa_register_gl_clear_callback(ctx->vo, ctx->gl, gl_clear);
return true;
}
static bool create_context_w32_old(struct MPGLContext *ctx)
{
GL *gl = ctx->gl;
struct w32_context *w32_ctx = ctx->priv;
HGLRC *context = &w32_ctx->context;
if (*context) {
gl->Finish(); // supposedly to prevent flickering
return true;
}
HWND win = ctx->vo->w32->window;
HDC windc = GetDC(win);
bool res = false;
HGLRC new_context = wglCreateContext(windc);
if (!new_context) {
MP_FATAL(ctx->vo, "Could not create GL context!\n");
goto out;
}
if (!wglMakeCurrent(windc, new_context)) {
MP_FATAL(ctx->vo, "Could not set GL context!\n");
wglDeleteContext(new_context);
goto out;
}
*context = new_context;
mpgl_load_functions(ctx->gl, w32gpa, NULL, ctx->vo->log);
res = true;
out:
ReleaseDC(win, windc);
return res;
}
static bool create_context_w32_old(struct MPGLContext *ctx)
{
struct w32_context *w32_ctx = ctx->priv;
HDC windc = w32_ctx->hdc;
bool res = false;
HGLRC context = wglCreateContext(windc);
if (!context) {
MP_FATAL(ctx->vo, "Could not create GL context!\n");
return res;
}
if (!wglMakeCurrent(windc, context)) {
MP_FATAL(ctx->vo, "Could not set GL context!\n");
wglDeleteContext(context);
return res;
}
w32_ctx->context = context;
mpgl_load_functions(ctx->gl, w32gpa, NULL, ctx->vo->log);
return true;
}
static bool create_context_x11_old(struct MPGLContext *ctx)
{
struct glx_context *glx_ctx = ctx->priv;
Display *display = ctx->vo->x11->display;
struct vo *vo = ctx->vo;
GL *gl = ctx->gl;
if (glx_ctx->context)
return true;
if (!glx_ctx->vinfo) {
MP_FATAL(vo, "Can't create a legacy GLX context without X visual\n");
return false;
}
GLXContext new_context = glXCreateContext(display, glx_ctx->vinfo, NULL,
True);
if (!new_context) {
MP_FATAL(vo, "Could not create GLX context!\n");
return false;
}
if (!glXMakeCurrent(display, ctx->vo->x11->window, new_context)) {
MP_FATAL(vo, "Could not set GLX context!\n");
glXDestroyContext(display, new_context);
return false;
}
const char *glxstr = glXQueryExtensionsString(display, ctx->vo->x11->screen);
mpgl_load_functions(gl, (void *)glXGetProcAddressARB, glxstr, vo->log);
glx_ctx->context = new_context;
return true;
}
static bool egl_create_context(struct vo_wayland_state *wl,
struct egl_context *egl_ctx,
MPGLContext *ctx,
bool enable_alpha)
{
EGLint major, minor, n;
GL *gl = ctx->gl;
const char *eglstr = "";
if (!(egl_ctx->egl.dpy = eglGetDisplay(wl->display->display)))
return false;
EGLint config_attribs[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_ALPHA_SIZE, enable_alpha,
EGL_DEPTH_SIZE, 1,
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
EGL_NONE
};
/* major and minor here returns the supported EGL version (e.g.: 1.4) */
if (eglInitialize(egl_ctx->egl.dpy, &major, &minor) != EGL_TRUE)
return false;
EGLint context_attribs[] = {
EGL_CONTEXT_MAJOR_VERSION_KHR,
MPGL_VER_GET_MAJOR(ctx->requested_gl_version),
/* EGL_CONTEXT_MINOR_VERSION_KHR, */
/* MPGL_VER_GET_MINOR(ctx->requested_gl_version), */
/* EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR, 0, */
/* Segfaults on anything else than the major version */
EGL_NONE
};
if (eglBindAPI(EGL_OPENGL_API) != EGL_TRUE)
return false;
eglChooseConfig(egl_ctx->egl.dpy, config_attribs,
&egl_ctx->egl.conf, 1, &n);
egl_ctx->egl.ctx = eglCreateContext(egl_ctx->egl.dpy,
egl_ctx->egl.conf,
EGL_NO_CONTEXT,
context_attribs);
if (!egl_ctx->egl.ctx)
return false;
eglMakeCurrent(egl_ctx->egl.dpy, NULL, NULL, egl_ctx->egl.ctx);
eglstr = eglQueryString(egl_ctx->egl.dpy, EGL_EXTENSIONS);
mpgl_load_functions(gl, (void*(*)(const GLubyte*))eglGetProcAddress, eglstr);
if (!gl->BindProgram)
mpgl_load_functions(gl, NULL, eglstr);
return true;
}
static int angle_init(struct MPGLContext *ctx, int flags)
{
struct priv *p = ctx->priv;
struct vo *vo = ctx->vo;
if (!angle_load()) {
MP_VERBOSE(vo, "Failed to load LIBEGL.DLL\n");
goto fail;
}
if (!vo_w32_init(vo))
goto fail;
HDC dc = GetDC(vo_w32_hwnd(vo));
if (!dc) {
MP_FATAL(vo, "Couldn't get DC\n");
goto fail;
}
PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT =
(PFNEGLGETPLATFORMDISPLAYEXTPROC)eglGetProcAddress("eglGetPlatformDisplayEXT");
if (!eglGetPlatformDisplayEXT) {
MP_FATAL(vo, "Missing EGL_EXT_platform_base\n");
goto fail;
}
EGLint d3d_types[] = {EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE,
EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE,
EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE};
EGLint d3d_dev_types[] = {EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE,
EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE,
EGL_PLATFORM_ANGLE_DEVICE_TYPE_WARP_ANGLE};
for (int i = 0; i < MP_ARRAY_SIZE(d3d_types); i++) {
EGLint display_attributes[] = {
EGL_PLATFORM_ANGLE_TYPE_ANGLE,
d3d_types[i],
EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE,
d3d_dev_types[i],
EGL_NONE,
};
p->egl_display = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, dc,
display_attributes);
if (p->egl_display == EGL_NO_DISPLAY)
continue;
if (!eglInitialize(p->egl_display, NULL, NULL)) {
p->egl_display = EGL_NO_DISPLAY;
continue;
}
if (d3d_dev_types[i] == EGL_PLATFORM_ANGLE_DEVICE_TYPE_WARP_ANGLE)
show_sw_adapter_msg(ctx);
break;
}
if (p->egl_display == EGL_NO_DISPLAY) {
MP_FATAL(vo, "Couldn't get display\n");
goto fail;
}
const char *exts = eglQueryString(p->egl_display, EGL_EXTENSIONS);
if (exts)
MP_DBG(ctx->vo, "EGL extensions: %s\n", exts);
eglBindAPI(EGL_OPENGL_ES_API);
if (eglGetError() != EGL_SUCCESS) {
MP_FATAL(vo, "Couldn't bind GLES API\n");
goto fail;
}
EGLConfig config = select_fb_config_egl(ctx);
if (!config)
goto fail;
int window_attribs_len = 0;
EGLint *window_attribs = NULL;
EGLint flip_val;
if (eglGetConfigAttrib(p->egl_display, config,
EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE, &flip_val))
{
if (flip_val == EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE) {
MP_TARRAY_APPEND(NULL, window_attribs, window_attribs_len,
EGL_SURFACE_ORIENTATION_ANGLE);
MP_TARRAY_APPEND(NULL, window_attribs, window_attribs_len,
EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE);
ctx->flip_v = true;
MP_VERBOSE(vo, "Rendering flipped.\n");
}
}
// EGL_DIRECT_COMPOSITION_ANGLE enables the use of flip-mode present, which
// avoids a copy of the video image and lowers vsync jitter, though the
// extension is only present on Windows 8 and up.
if (strstr(exts, "EGL_ANGLE_direct_composition")) {
MP_TARRAY_APPEND(NULL, window_attribs, window_attribs_len,
EGL_DIRECT_COMPOSITION_ANGLE);
MP_TARRAY_APPEND(NULL, window_attribs, window_attribs_len, EGL_TRUE);
MP_VERBOSE(vo, "Using DirectComposition.\n");
}
MP_TARRAY_APPEND(NULL, window_attribs, window_attribs_len, EGL_NONE);
p->egl_surface = eglCreateWindowSurface(p->egl_display, config,
vo_w32_hwnd(vo), window_attribs);
talloc_free(window_attribs);
if (p->egl_surface == EGL_NO_SURFACE) {
MP_FATAL(ctx->vo, "Could not create EGL surface!\n");
goto fail;
}
if (!(!p->use_es2 && create_context_egl(ctx, config, 3)) &&
!create_context_egl(ctx, config, 2))
{
MP_FATAL(ctx->vo, "Could not create EGL context!\n");
goto fail;
}
// Configure the underlying Direct3D device
d3d_init(ctx);
if (strstr(exts, "EGL_NV_post_sub_buffer")) {
p->eglPostSubBufferNV =
(PFNEGLPOSTSUBBUFFERNVPROC)eglGetProcAddress("eglPostSubBufferNV");
}
mpgl_load_functions(ctx->gl, get_proc_address, NULL, vo->log);
return 0;
fail:
angle_uninit(ctx);
return -1;
}
static bool egl_create_context(struct vo_wayland_state *wl,
MPGLContext *ctx,
bool enable_alpha)
{
EGLint major, minor, n;
GL *gl = ctx->gl;
const char *eglstr = "";
if (!(wl->egl_context.egl.dpy = eglGetDisplay(wl->display.display)))
return false;
EGLint config_attribs[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_ALPHA_SIZE, enable_alpha,
EGL_DEPTH_SIZE, 1,
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
EGL_NONE
};
/* major and minor here returns the supported EGL version (e.g.: 1.4) */
if (eglInitialize(wl->egl_context.egl.dpy, &major, &minor) != EGL_TRUE)
return false;
MP_VERBOSE(wl, "EGL version %d.%d\n", major, minor);
EGLint context_attribs[] = {
EGL_CONTEXT_MAJOR_VERSION_KHR,
MPGL_VER_GET_MAJOR(ctx->requested_gl_version),
EGL_NONE
};
if (eglBindAPI(EGL_OPENGL_API) != EGL_TRUE)
return false;
eglChooseConfig(wl->egl_context.egl.dpy, config_attribs,
&wl->egl_context.egl.conf, 1, &n);
wl->egl_context.egl.ctx = eglCreateContext(wl->egl_context.egl.dpy,
wl->egl_context.egl.conf,
EGL_NO_CONTEXT,
context_attribs);
if (!wl->egl_context.egl.ctx) {
/* fallback to any GL version */
MP_WARN(wl, "can't create context for requested OpenGL version: "
"fall back to any version available\n");
context_attribs[0] = EGL_NONE;
wl->egl_context.egl.ctx = eglCreateContext(wl->egl_context.egl.dpy,
wl->egl_context.egl.conf,
EGL_NO_CONTEXT,
context_attribs);
if (!wl->egl_context.egl.ctx)
return false;
}
eglMakeCurrent(wl->egl_context.egl.dpy, NULL, NULL, wl->egl_context.egl.ctx);
eglstr = eglQueryString(wl->egl_context.egl.dpy, EGL_EXTENSIONS);
mpgl_load_functions(gl, (void*(*)(const GLubyte*))eglGetProcAddress, eglstr,
wl->log);
if (!gl->BindProgram)
mpgl_load_functions(gl, NULL, eglstr, wl->log);
return true;
}
static bool create_context_w32_gl3(struct MPGLContext *ctx)
{
struct w32_context *w32_ctx = ctx->priv;
HDC windc = w32_ctx->hdc;
HGLRC context = 0;
// A legacy context is needed to get access to the new functions.
HGLRC legacy_context = wglCreateContext(windc);
if (!legacy_context) {
MP_FATAL(ctx->vo, "Could not create GL context!\n");
return false;
}
// set context
if (!wglMakeCurrent(windc, legacy_context)) {
MP_FATAL(ctx->vo, "Could not set GL context!\n");
goto out;
}
const char *(GLAPIENTRY *wglGetExtensionsStringARB)(HDC hdc)
= w32gpa((const GLubyte*)"wglGetExtensionsStringARB");
if (!wglGetExtensionsStringARB)
goto unsupported;
const char *wgl_exts = wglGetExtensionsStringARB(windc);
if (!strstr(wgl_exts, "WGL_ARB_create_context"))
goto unsupported;
HGLRC (GLAPIENTRY *wglCreateContextAttribsARB)(HDC hDC, HGLRC hShareContext,
const int *attribList)
= w32gpa((const GLubyte*)"wglCreateContextAttribsARB");
if (!wglCreateContextAttribsARB)
goto unsupported;
int attribs[] = {
WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
WGL_CONTEXT_MINOR_VERSION_ARB, 0,
WGL_CONTEXT_FLAGS_ARB, 0,
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
0
};
context = wglCreateContextAttribsARB(windc, 0, attribs);
if (!context) {
// NVidia, instead of ignoring WGL_CONTEXT_FLAGS_ARB, will error out if
// it's present on pre-3.2 contexts.
// Remove it from attribs and retry the context creation.
attribs[6] = attribs[7] = 0;
context = wglCreateContextAttribsARB(windc, 0, attribs);
}
if (!context) {
int err = GetLastError();
MP_FATAL(ctx->vo, "Could not create an OpenGL 3.x context: error 0x%x\n", err);
goto out;
}
wglMakeCurrent(windc, NULL);
wglDeleteContext(legacy_context);
if (!wglMakeCurrent(windc, context)) {
MP_FATAL(ctx->vo, "Could not set GL3 context!\n");
wglDeleteContext(context);
return false;
}
w32_ctx->context = context;
/* update function pointers */
mpgl_load_functions(ctx->gl, w32gpa, NULL, ctx->vo->log);
return true;
unsupported:
MP_ERR(ctx->vo, "The OpenGL driver does not support OpenGL 3.x \n");
out:
wglMakeCurrent(windc, NULL);
wglDeleteContext(legacy_context);
return false;
}
static int angle_init(struct MPGLContext *ctx, int flags)
{
struct priv *p = ctx->priv;
struct vo *vo = ctx->vo;
if (!vo_w32_init(vo))
goto fail;
HDC dc = GetDC(vo_w32_hwnd(vo));
if (!dc) {
MP_FATAL(vo, "Couldn't get DC\n");
goto fail;
}
PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT =
(PFNEGLGETPLATFORMDISPLAYEXTPROC)eglGetProcAddress("eglGetPlatformDisplayEXT");
if (!eglGetPlatformDisplayEXT) {
MP_FATAL(vo, "Missing EGL_EXT_platform_base\n");
goto fail;
}
EGLint d3d_types[] = {EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE,
EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE};
for (int i = 0; i < MP_ARRAY_SIZE(d3d_types); i++) {
EGLint display_attributes[] = {
EGL_PLATFORM_ANGLE_TYPE_ANGLE,
d3d_types[i],
EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE,
EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE,
EGL_NONE,
};
p->egl_display = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, dc,
display_attributes);
if (p->egl_display != EGL_NO_DISPLAY)
break;
}
if (p->egl_display == EGL_NO_DISPLAY) {
MP_FATAL(vo, "Couldn't get display\n");
goto fail;
}
if (!eglInitialize(p->egl_display, NULL, NULL)) {
MP_FATAL(vo, "Couldn't initialize EGL\n");
goto fail;
}
eglBindAPI(EGL_OPENGL_ES_API);
if (eglGetError() != EGL_SUCCESS) {
MP_FATAL(vo, "Couldn't bind GLES API\n");
goto fail;
}
EGLConfig config = select_fb_config_egl(ctx);
if (!config)
goto fail;
p->egl_surface = eglCreateWindowSurface(p->egl_display, config,
vo_w32_hwnd(vo), NULL);
if (p->egl_surface == EGL_NO_SURFACE) {
MP_FATAL(ctx->vo, "Could not create EGL surface!\n");
goto fail;
}
if (!create_context_egl(ctx, config, 3) &&
!create_context_egl(ctx, config, 2))
{
MP_FATAL(ctx->vo, "Could not create EGL context!\n");
goto fail;
}
mpgl_load_functions(ctx->gl, get_proc_address, NULL, vo->log);
return 0;
fail:
angle_uninit(ctx);
return -1;
}
static bool create_context_w32_gl3(struct MPGLContext *ctx)
{
struct w32_context *w32_ctx = ctx->priv;
HGLRC *context = &w32_ctx->context;
if (*context) // reuse existing context
return true; // not reusing it breaks gl3!
HWND win = ctx->vo->w32->window;
HDC windc = GetDC(win);
HGLRC new_context = 0;
new_context = wglCreateContext(windc);
if (!new_context) {
MP_FATAL(ctx->vo, "Could not create GL context!\n");
return false;
}
// set context
if (!wglMakeCurrent(windc, new_context)) {
MP_FATAL(ctx->vo, "Could not set GL context!\n");
goto out;
}
const char *(GLAPIENTRY *wglGetExtensionsStringARB)(HDC hdc)
= w32gpa((const GLubyte*)"wglGetExtensionsStringARB");
if (!wglGetExtensionsStringARB)
goto unsupported;
const char *wgl_exts = wglGetExtensionsStringARB(windc);
if (!strstr(wgl_exts, "WGL_ARB_create_context"))
goto unsupported;
HGLRC (GLAPIENTRY *wglCreateContextAttribsARB)(HDC hDC, HGLRC hShareContext,
const int *attribList)
= w32gpa((const GLubyte*)"wglCreateContextAttribsARB");
if (!wglCreateContextAttribsARB)
goto unsupported;
int gl_version = ctx->requested_gl_version;
int attribs[] = {
WGL_CONTEXT_MAJOR_VERSION_ARB, MPGL_VER_GET_MAJOR(gl_version),
WGL_CONTEXT_MINOR_VERSION_ARB, MPGL_VER_GET_MINOR(gl_version),
WGL_CONTEXT_FLAGS_ARB, 0,
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
0
};
*context = wglCreateContextAttribsARB(windc, 0, attribs);
if (! *context) {
// NVidia, instead of ignoring WGL_CONTEXT_FLAGS_ARB, will error out if
// it's present on pre-3.2 contexts.
// Remove it from attribs and retry the context creation.
attribs[6] = attribs[7] = 0;
*context = wglCreateContextAttribsARB(windc, 0, attribs);
}
if (! *context) {
int err = GetLastError();
MP_FATAL(ctx->vo, "Could not create an OpenGL 3.x context: error 0x%x\n", err);
goto out;
}
wglMakeCurrent(NULL, NULL);
wglDeleteContext(new_context);
if (!wglMakeCurrent(windc, *context)) {
MP_FATAL(ctx->vo, "Could not set GL3 context!\n");
wglDeleteContext(*context);
return false;
}
/* update function pointers */
mpgl_load_functions(ctx->gl, w32gpa, NULL, ctx->vo->log);
int pfmt = GetPixelFormat(windc);
PIXELFORMATDESCRIPTOR pfd;
if (DescribePixelFormat(windc, pfmt, sizeof(PIXELFORMATDESCRIPTOR), &pfd)) {
ctx->depth_r = pfd.cRedBits;
ctx->depth_g = pfd.cGreenBits;
ctx->depth_b = pfd.cBlueBits;
}
return true;
unsupported:
MP_ERR(ctx->vo, "The current OpenGL implementation does not support OpenGL 3.x \n");
out:
wglDeleteContext(new_context);
return false;
}
static int drm_egl_init(struct MPGLContext *ctx, int flags)
{
if (ctx->vo->probing) {
MP_VERBOSE(ctx->vo, "DRM EGL backend can be activated only manually.\n");
return -1;
}
struct priv *p = ctx->priv;
p->kms = NULL;
p->old_crtc = NULL;
p->gbm.surface = NULL;
p->gbm.device = NULL;
p->active = false;
p->waiting_for_flip = false;
p->ev.version = DRM_EVENT_CONTEXT_VERSION;
p->ev.page_flip_handler = page_flipped;
p->vt_switcher_active = vt_switcher_init(&p->vt_switcher, ctx->vo->log);
if (p->vt_switcher_active) {
vt_switcher_acquire(&p->vt_switcher, acquire_vt, ctx);
vt_switcher_release(&p->vt_switcher, release_vt, ctx);
} else {
MP_WARN(ctx->vo, "Failed to set up VT switcher. Terminal switching will be unavailable.\n");
}
MP_VERBOSE(ctx->vo, "Initializing KMS\n");
p->kms = kms_create(ctx->vo->log, ctx->vo->opts->drm_connector_spec,
ctx->vo->opts->drm_mode_id);
if (!p->kms) {
MP_ERR(ctx->vo, "Failed to create KMS.\n");
return -1;
}
if (!init_gbm(ctx)) {
MP_ERR(ctx->vo, "Failed to setup GBM.\n");
return -1;
}
if (!init_egl(ctx, flags)) {
MP_ERR(ctx->vo, "Failed to setup EGL.\n");
return -1;
}
if (!eglMakeCurrent(p->egl.display, p->egl.surface, p->egl.surface,
p->egl.context)) {
MP_ERR(ctx->vo, "Failed to make context current.\n");
return -1;
}
const char *egl_exts = eglQueryString(p->egl.display, EGL_EXTENSIONS);
void *(*gpa)(const GLubyte*) = (void *(*)(const GLubyte*))eglGetProcAddress;
mpgl_load_functions(ctx->gl, gpa, egl_exts, ctx->vo->log);
ctx->native_display_type = "drm";
ctx->native_display = (void *)(intptr_t)p->kms->fd;
// required by gbm_surface_lock_front_buffer
eglSwapBuffers(p->egl.display, p->egl.surface);
MP_VERBOSE(ctx->vo, "Preparing framebuffer\n");
p->gbm.bo = gbm_surface_lock_front_buffer(p->gbm.surface);
if (!p->gbm.bo) {
MP_ERR(ctx->vo, "Failed to lock GBM surface.\n");
return -1;
}
update_framebuffer_from_bo(ctx, p->gbm.bo);
if (!p->fb.id) {
MP_ERR(ctx->vo, "Failed to create framebuffer.\n");
return -1;
}
if (!crtc_setup(ctx)) {
MP_ERR(ctx->vo, "Failed to set CRTC for connector %u: %s\n",
p->kms->connector->connector_id, mp_strerror(errno));
return -1;
}
return 0;
}
