From 2dcdf19ee3a19fb41005d53f0dbc6e8a3970a8b6 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Mon, 4 Jan 2010 12:01:38 +0800 Subject: [PATCH] st/egl_g3d: Add support for EGL_MESA_screen_surface. This is implemented through the modeset interface. Signed-off-by: Chia-I Wu --- .../state_trackers/egl_g3d/common/egl_g3d.c | 190 +++++++++++++++++- .../state_trackers/egl_g3d/common/egl_g3d.h | 13 ++ 2 files changed, 202 insertions(+), 1 deletion(-) diff --git a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c index f4a58f77ebe..8b2e3b5f85b 100644 --- a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c +++ b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c @@ -327,6 +327,69 @@ get_mode_api_mask(const __GLcontextModes *mode, EGLint api_mask) return api_mask; } +#ifdef EGL_MESA_screen_surface + +static void +egl_g3d_add_screens(_EGLDriver *drv, _EGLDisplay *dpy) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + const struct native_connector **native_connectors; + EGLint num_connectors, i; + + native_connectors = + gdpy->native->modeset->get_connectors(gdpy->native, &num_connectors, NULL); + if (!num_connectors) { + if (native_connectors) + free(native_connectors); + return; + } + + for (i = 0; i < num_connectors; i++) { + const struct native_connector *nconn = native_connectors[i]; + struct egl_g3d_screen *gscr; + const struct native_mode **native_modes; + EGLint num_modes, j; + + /* TODO support for hotplug */ + native_modes = + gdpy->native->modeset->get_modes(gdpy->native, nconn, &num_modes); + if (!num_modes) { + if (native_modes) + free(native_modes); + continue; + } + + gscr = CALLOC_STRUCT(egl_g3d_screen); + if (!gscr) { + free(native_modes); + continue; + } + + _eglInitScreen(&gscr->base); + + for (j = 0; j < num_modes; j++) { + const struct native_mode *nmode = native_modes[j]; + _EGLMode *mode; + + mode = _eglAddNewMode(&gscr->base, nmode->width, nmode->height, + nmode->refresh_rate, nmode->desc); + if (!mode) + break; + /* gscr->native_modes and gscr->base.Modes should be consistent */ + assert(mode == &gscr->base.Modes[j]); + } + + gscr->native = nconn; + gscr->native_modes = native_modes; + + _eglAddScreen(dpy, &gscr->base); + } + + free(native_connectors); +} + +#endif /* EGL_MESA_screen_surface */ + /** * Add configs to display and return the next config ID. */ @@ -365,8 +428,17 @@ egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id) _eglInitConfig(&gconf->base, id); valid = _eglConfigFromContextModesRec(&gconf->base, &native_configs[i]->mode, api_mask, api_mask); - if (valid) + if (valid) { +#ifdef EGL_MESA_screen_surface + /* check if scanout surface bit is set */ + if (native_configs[i]->scanout_bit) { + EGLint val = GET_CONFIG_ATTRIB(&gconf->base, EGL_SURFACE_TYPE); + val |= EGL_SCREEN_BIT_MESA; + SET_CONFIG_ATTRIB(&gconf->base, EGL_SURFACE_TYPE, val); + } +#endif valid = _eglValidateConfig(&gconf->base, EGL_FALSE); + } if (!valid) { _eglLog(_EGL_DEBUG, "skip invalid config 0x%x", native_configs[i]->mode.visualID); @@ -403,10 +475,20 @@ static EGLBoolean egl_g3d_terminate(_EGLDriver *drv, _EGLDisplay *dpy) { struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + EGLint i; _eglReleaseDisplayResources(drv, dpy); _eglCleanupDisplay(dpy); + if (dpy->Screens) { + for (i = 0; i < dpy->NumScreens; i++) { + struct egl_g3d_screen *gscr = egl_g3d_screen(dpy->Screens[i]); + free(gscr->native_modes); + free(gscr); + } + free(dpy->Screens); + } + if (gdpy->native) gdpy->native->destroy(gdpy->native); @@ -444,6 +526,14 @@ egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy, goto fail; } +#ifdef EGL_MESA_screen_surface + /* enable MESA_screen_surface */ + if (gdpy->native->modeset) { + dpy->Extensions.MESA_screen_surface = EGL_TRUE; + egl_g3d_add_screens(drv, dpy); + } +#endif + *major = 1; *minor = 4; @@ -863,6 +953,99 @@ egl_g3d_release_tex_image(_EGLDriver *drv, _EGLDisplay *dpy, return EGL_TRUE; } +#ifdef EGL_MESA_screen_surface + +static _EGLSurface * +egl_g3d_create_screen_surface(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLConfig *conf, const EGLint *attribs) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_config *gconf = egl_g3d_config(conf); + struct egl_g3d_surface *gsurf; + + gsurf = CALLOC_STRUCT(egl_g3d_surface); + if (!gsurf) { + _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface"); + return NULL; + } + + if (!_eglInitSurface(drv, &gsurf->base, + EGL_SCREEN_BIT_MESA, conf, attribs)) { + free(gsurf); + return NULL; + } + + gsurf->native = + gdpy->native->modeset->create_scanout_surface(gdpy->native, + gconf->native, gsurf->base.Width, gsurf->base.Height); + if (!gsurf->native) { + free(gsurf); + return NULL; + } + + gsurf->render_att = (!gconf->native->mode.doubleBufferMode) ? + NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT; + + return &gsurf->base; +} + +static EGLBoolean +egl_g3d_show_screen_surface(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLScreen *scr, _EGLSurface *surf, + _EGLMode *mode) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_screen *gscr = egl_g3d_screen(scr); + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + struct native_surface *nsurf; + const struct native_mode *nmode; + EGLBoolean changed; + + if (gsurf) { + EGLint idx; + + if (!mode) + return _eglError(EGL_BAD_MATCH, "eglShowSurfaceMESA"); + if (gsurf->base.Type != EGL_SCREEN_BIT_MESA) + return _eglError(EGL_BAD_SURFACE, "eglShowScreenSurfaceMESA"); + if (gsurf->base.Width < mode->Width || gsurf->base.Height < mode->Height) + return _eglError(EGL_BAD_MATCH, + "eglShowSurfaceMESA(surface smaller than mode size)"); + + /* find the index of the mode */ + for (idx = 0; idx < gscr->base.NumModes; idx++) + if (mode == &gscr->base.Modes[idx]) + break; + if (idx >= gscr->base.NumModes) { + return _eglError(EGL_BAD_MODE_MESA, + "eglShowSurfaceMESA(unknown mode)"); + } + + nsurf = gsurf->native; + nmode = gscr->native_modes[idx]; + } + else { + if (mode) + return _eglError(EGL_BAD_MATCH, "eglShowSurfaceMESA"); + + /* disable the screen */ + nsurf = NULL; + nmode = NULL; + } + + /* TODO surface panning by CRTC choosing */ + changed = gdpy->native->modeset->program(gdpy->native, 0, nsurf, + gscr->base.OriginX, gscr->base.OriginY, &gscr->native, 1, nmode); + if (changed) { + gscr->base.CurrentSurface = &gsurf->base; + gscr->base.CurrentMode = mode; + } + + return changed; +} + +#endif /* EGL_MESA_screen_surface */ + static void egl_g3d_unload(_EGLDriver *drv) { @@ -903,6 +1086,11 @@ _eglMain(const char *args) gdrv->base.API.BindTexImage = egl_g3d_bind_tex_image; gdrv->base.API.ReleaseTexImage = egl_g3d_release_tex_image; +#ifdef EGL_MESA_screen_surface + gdrv->base.API.CreateScreenSurfaceMESA = egl_g3d_create_screen_surface; + gdrv->base.API.ShowScreenSurfaceMESA = egl_g3d_show_screen_surface; +#endif + gdrv->base.Name = driver_name; gdrv->base.Unload = egl_g3d_unload; diff --git a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.h b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.h index 525bb488e2d..33894b614f9 100644 --- a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.h +++ b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.h @@ -34,6 +34,8 @@ #include "eglcontext.h" #include "eglsurface.h" #include "eglconfig.h" +#include "eglscreen.h" +#include "eglmode.h" #include "native.h" #include "egl_st.h" @@ -78,6 +80,11 @@ struct egl_g3d_config { const struct native_config *native; }; +struct egl_g3d_screen { + _EGLScreen base; + const struct native_connector *native; + const struct native_mode **native_modes; +}; static INLINE struct egl_g3d_driver * egl_g3d_driver(_EGLDriver *drv) @@ -110,4 +117,10 @@ egl_g3d_config(_EGLConfig *conf) return (struct egl_g3d_config *) conf; } +static INLINE struct egl_g3d_screen * +egl_g3d_screen(_EGLScreen *scr) +{ + return (struct egl_g3d_screen *) scr; +} + #endif /* _EGL_G3D_H_ */ -- 2.30.2