aboutsummaryrefslogtreecommitdiff
path: root/ui/sdl2-2d.c
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2014-12-21 23:17:00 +0000
committerPeter Maydell <peter.maydell@linaro.org>2014-12-21 23:17:00 +0000
commitc95f3901b4ead79f3fe2c641fda7d2c70fc84c72 (patch)
tree5e8432183f122b82c9471d4710ae9389df84a0ba /ui/sdl2-2d.c
parent328b3b6c44c17d94df115ed1851f54a0bd59a471 (diff)
parentd3f3a0f453ea590be529079ae214c200bb5ecc1a (diff)
Merge remote-tracking branch 'remotes/kraxel/tags/pull-sdl-20141219-1' into staging
sdl2: fixes, cleanups and opengl preparation. # gpg: Signature made Fri 19 Dec 2014 09:06:07 GMT using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-sdl-20141219-1: sdl2: Work around SDL2 SDL_ShowWindow() bug sdl2: Use correct sdl2_console for window events sdl2: move sdl2_2d_refresh to sdl2-2d.c sdl2: factor out sdl2_poll_events sdl2: add+use sdl2_2d_redraw function. sdl2: move sdl_switch to sdl2-2d.c sdl2: overhaul window size handling sdl2: move sdl_update to new sdl2-2d.c sdl2: turn on keyboard grabs sdl2: move keyboard input code to new sdl2-input.c sdl2: rename sdl2_state to sdl2_console, move to header file sdl: move version logic from source code to makefile Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'ui/sdl2-2d.c')
-rw-r--r--ui/sdl2-2d.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/ui/sdl2-2d.c b/ui/sdl2-2d.c
new file mode 100644
index 0000000000..9264817e76
--- /dev/null
+++ b/ui/sdl2-2d.c
@@ -0,0 +1,122 @@
+/*
+ * QEMU SDL display driver
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+/* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
+
+/* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
+#undef WIN32_LEAN_AND_MEAN
+
+#include <SDL.h>
+#include <SDL_syswm.h>
+
+#include "qemu-common.h"
+#include "ui/console.h"
+#include "ui/input.h"
+#include "ui/sdl2.h"
+#include "sysemu/sysemu.h"
+
+void sdl2_2d_update(DisplayChangeListener *dcl,
+ int x, int y, int w, int h)
+{
+ struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
+ DisplaySurface *surf = qemu_console_surface(dcl->con);
+ SDL_Rect rect;
+
+ if (!surf) {
+ return;
+ }
+ if (!scon->texture) {
+ return;
+ }
+
+ rect.x = x;
+ rect.y = y;
+ rect.w = w;
+ rect.h = h;
+
+ SDL_UpdateTexture(scon->texture, NULL, surface_data(surf),
+ surface_stride(surf));
+ SDL_RenderCopy(scon->real_renderer, scon->texture, &rect, &rect);
+ SDL_RenderPresent(scon->real_renderer);
+}
+
+void sdl2_2d_switch(DisplayChangeListener *dcl,
+ DisplaySurface *new_surface)
+{
+ struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
+ DisplaySurface *old_surface = scon->surface;
+ int format = 0;
+
+ scon->surface = new_surface;
+
+ if (scon->texture) {
+ SDL_DestroyTexture(scon->texture);
+ scon->texture = NULL;
+ }
+
+ if (!new_surface) {
+ sdl2_window_destroy(scon);
+ return;
+ }
+
+ if (!scon->real_window) {
+ sdl2_window_create(scon);
+ } else if (old_surface &&
+ ((surface_width(old_surface) != surface_width(new_surface)) ||
+ (surface_height(old_surface) != surface_height(new_surface)))) {
+ sdl2_window_resize(scon);
+ }
+
+ SDL_RenderSetLogicalSize(scon->real_renderer,
+ surface_width(new_surface),
+ surface_height(new_surface));
+
+ if (surface_bits_per_pixel(scon->surface) == 16) {
+ format = SDL_PIXELFORMAT_RGB565;
+ } else if (surface_bits_per_pixel(scon->surface) == 32) {
+ format = SDL_PIXELFORMAT_ARGB8888;
+ }
+ scon->texture = SDL_CreateTexture(scon->real_renderer, format,
+ SDL_TEXTUREACCESS_STREAMING,
+ surface_width(new_surface),
+ surface_height(new_surface));
+ sdl2_2d_redraw(scon);
+}
+
+void sdl2_2d_refresh(DisplayChangeListener *dcl)
+{
+ struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
+
+ graphic_hw_update(dcl->con);
+ sdl2_poll_events(scon);
+}
+
+void sdl2_2d_redraw(struct sdl2_console *scon)
+{
+ if (!scon->surface) {
+ return;
+ }
+ sdl2_2d_update(&scon->dcl, 0, 0,
+ surface_width(scon->surface),
+ surface_height(scon->surface));
+}