| #include "qemu/osdep.h" |
| #include "qemu/error-report.h" |
| #include "qemu/module.h" |
| #include "qapi/error.h" |
| #include "ui/console.h" |
| #include "ui/egl-helpers.h" |
| #include "ui/egl-context.h" |
| #include "ui/shader.h" |
| |
| typedef struct egl_dpy { |
| DisplayChangeListener dcl; |
| DisplaySurface *ds; |
| QemuGLShader *gls; |
| egl_fb guest_fb; |
| egl_fb cursor_fb; |
| egl_fb blit_fb; |
| bool y_0_top; |
| uint32_t pos_x; |
| uint32_t pos_y; |
| } egl_dpy; |
| |
| /* ------------------------------------------------------------------ */ |
| |
| static void egl_refresh(DisplayChangeListener *dcl) |
| { |
| graphic_hw_update(dcl->con); |
| } |
| |
| static void egl_gfx_update(DisplayChangeListener *dcl, |
| int x, int y, int w, int h) |
| { |
| } |
| |
| static void egl_gfx_switch(DisplayChangeListener *dcl, |
| struct DisplaySurface *new_surface) |
| { |
| egl_dpy *edpy = container_of(dcl, egl_dpy, dcl); |
| |
| edpy->ds = new_surface; |
| } |
| |
| static QEMUGLContext egl_create_context(DisplayGLCtx *dgc, |
| QEMUGLParams *params) |
| { |
| eglMakeCurrent(qemu_egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, |
| qemu_egl_rn_ctx); |
| return qemu_egl_create_context(dgc, params); |
| } |
| |
| static void egl_scanout_disable(DisplayChangeListener *dcl) |
| { |
| egl_dpy *edpy = container_of(dcl, egl_dpy, dcl); |
| |
| egl_fb_destroy(&edpy->guest_fb); |
| egl_fb_destroy(&edpy->blit_fb); |
| } |
| |
| static void egl_scanout_texture(DisplayChangeListener *dcl, |
| uint32_t backing_id, |
| bool backing_y_0_top, |
| uint32_t backing_width, |
| uint32_t backing_height, |
| uint32_t x, uint32_t y, |
| uint32_t w, uint32_t h) |
| { |
| egl_dpy *edpy = container_of(dcl, egl_dpy, dcl); |
| |
| edpy->y_0_top = backing_y_0_top; |
| |
| /* source framebuffer */ |
| egl_fb_setup_for_tex(&edpy->guest_fb, |
| backing_width, backing_height, backing_id, false); |
| |
| /* dest framebuffer */ |
| if (edpy->blit_fb.width != backing_width || |
| edpy->blit_fb.height != backing_height) { |
| egl_fb_destroy(&edpy->blit_fb); |
| egl_fb_setup_new_tex(&edpy->blit_fb, backing_width, backing_height); |
| } |
| } |
| |
| static void egl_scanout_dmabuf(DisplayChangeListener *dcl, |
| QemuDmaBuf *dmabuf) |
| { |
| egl_dmabuf_import_texture(dmabuf); |
| if (!dmabuf->texture) { |
| return; |
| } |
| |
| egl_scanout_texture(dcl, dmabuf->texture, |
| false, dmabuf->width, dmabuf->height, |
| 0, 0, dmabuf->width, dmabuf->height); |
| } |
| |
| static void egl_cursor_dmabuf(DisplayChangeListener *dcl, |
| QemuDmaBuf *dmabuf, bool have_hot, |
| uint32_t hot_x, uint32_t hot_y) |
| { |
| egl_dpy *edpy = container_of(dcl, egl_dpy, dcl); |
| |
| if (dmabuf) { |
| egl_dmabuf_import_texture(dmabuf); |
| if (!dmabuf->texture) { |
| return; |
| } |
| egl_fb_setup_for_tex(&edpy->cursor_fb, dmabuf->width, dmabuf->height, |
| dmabuf->texture, false); |
| } else { |
| egl_fb_destroy(&edpy->cursor_fb); |
| } |
| } |
| |
| static void egl_cursor_position(DisplayChangeListener *dcl, |
| uint32_t pos_x, uint32_t pos_y) |
| { |
| egl_dpy *edpy = container_of(dcl, egl_dpy, dcl); |
| |
| edpy->pos_x = pos_x; |
| edpy->pos_y = pos_y; |
| } |
| |
| static void egl_release_dmabuf(DisplayChangeListener *dcl, |
| QemuDmaBuf *dmabuf) |
| { |
| egl_dmabuf_release_texture(dmabuf); |
| } |
| |
| static void egl_scanout_flush(DisplayChangeListener *dcl, |
| uint32_t x, uint32_t y, |
| uint32_t w, uint32_t h) |
| { |
| egl_dpy *edpy = container_of(dcl, egl_dpy, dcl); |
| |
| if (!edpy->guest_fb.texture || !edpy->ds) { |
| return; |
| } |
| assert(surface_format(edpy->ds) == PIXMAN_x8r8g8b8); |
| |
| if (edpy->cursor_fb.texture) { |
| /* have cursor -> render using textures */ |
| egl_texture_blit(edpy->gls, &edpy->blit_fb, &edpy->guest_fb, |
| !edpy->y_0_top); |
| egl_texture_blend(edpy->gls, &edpy->blit_fb, &edpy->cursor_fb, |
| !edpy->y_0_top, edpy->pos_x, edpy->pos_y, |
| 1.0, 1.0); |
| } else { |
| /* no cursor -> use simple framebuffer blit */ |
| egl_fb_blit(&edpy->blit_fb, &edpy->guest_fb, edpy->y_0_top); |
| } |
| |
| egl_fb_read(edpy->ds, &edpy->blit_fb); |
| dpy_gfx_update(edpy->dcl.con, x, y, w, h); |
| } |
| |
| static const DisplayChangeListenerOps egl_ops = { |
| .dpy_name = "egl-headless", |
| .dpy_refresh = egl_refresh, |
| .dpy_gfx_update = egl_gfx_update, |
| .dpy_gfx_switch = egl_gfx_switch, |
| |
| .dpy_gl_scanout_disable = egl_scanout_disable, |
| .dpy_gl_scanout_texture = egl_scanout_texture, |
| .dpy_gl_scanout_dmabuf = egl_scanout_dmabuf, |
| .dpy_gl_cursor_dmabuf = egl_cursor_dmabuf, |
| .dpy_gl_cursor_position = egl_cursor_position, |
| .dpy_gl_release_dmabuf = egl_release_dmabuf, |
| .dpy_gl_update = egl_scanout_flush, |
| }; |
| |
| static bool |
| egl_is_compatible_dcl(DisplayGLCtx *dgc, |
| DisplayChangeListener *dcl) |
| { |
| if (!dcl->ops->dpy_gl_update) { |
| /* |
| * egl-headless is compatible with all 2d listeners, as it blits the GL |
| * updates on the 2d console surface. |
| */ |
| return true; |
| } |
| |
| return dcl->ops == &egl_ops; |
| } |
| |
| static const DisplayGLCtxOps eglctx_ops = { |
| .dpy_gl_ctx_is_compatible_dcl = egl_is_compatible_dcl, |
| .dpy_gl_ctx_create = egl_create_context, |
| .dpy_gl_ctx_destroy = qemu_egl_destroy_context, |
| .dpy_gl_ctx_make_current = qemu_egl_make_context_current, |
| }; |
| |
| static void early_egl_headless_init(DisplayOptions *opts) |
| { |
| DisplayGLMode mode = DISPLAYGL_MODE_ON; |
| |
| if (opts->has_gl) { |
| mode = opts->gl; |
| } |
| |
| egl_init(opts->u.egl_headless.rendernode, mode, &error_fatal); |
| } |
| |
| static void egl_headless_init(DisplayState *ds, DisplayOptions *opts) |
| { |
| QemuConsole *con; |
| egl_dpy *edpy; |
| int idx; |
| |
| for (idx = 0;; idx++) { |
| DisplayGLCtx *ctx; |
| |
| con = qemu_console_lookup_by_index(idx); |
| if (!con || !qemu_console_is_graphic(con)) { |
| break; |
| } |
| |
| edpy = g_new0(egl_dpy, 1); |
| edpy->dcl.con = con; |
| edpy->dcl.ops = &egl_ops; |
| edpy->gls = qemu_gl_init_shader(); |
| ctx = g_new0(DisplayGLCtx, 1); |
| ctx->ops = &eglctx_ops; |
| qemu_console_set_display_gl_ctx(con, ctx); |
| register_displaychangelistener(&edpy->dcl); |
| } |
| } |
| |
| static QemuDisplay qemu_display_egl = { |
| .type = DISPLAY_TYPE_EGL_HEADLESS, |
| .early_init = early_egl_headless_init, |
| .init = egl_headless_init, |
| }; |
| |
| static void register_egl(void) |
| { |
| qemu_display_register(&qemu_display_egl); |
| } |
| |
| type_init(register_egl); |
| |
| module_dep("ui-opengl"); |