1 files changed, 351 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/video/qnx/SDL_qnxvideo.c b/contrib/SDL-3.2.8/src/video/qnx/SDL_qnxvideo.c
new file mode 100644
index 0000000..4192cdb
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/qnx/SDL_qnxvideo.c
@@ -0,0 +1,351 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 2017 BlackBerry Limited
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+#include "../SDL_sysvideo.h"
+#include "../../events/SDL_keyboard_c.h"
+#include "../../events/SDL_mouse_c.h"
+#include "SDL_qnx.h"
+
+static screen_context_t context;
+static screen_event_t   event;
+
+/**
+ * Initializes the QNX video plugin.
+ * Creates the Screen context and event handles used for all window operations
+ * by the plugin.
+ * @param   SDL_VideoDevice *_this
+ * @return  0 if successful, -1 on error
+ */
+static bool videoInit(SDL_VideoDevice *_this)
+{
+    SDL_VideoDisplay display;
+
+    if (screen_create_context(&context, 0) < 0) {
+        return false;
+    }
+
+    if (screen_create_event(&event) < 0) {
+        return false;
+    }
+
+    SDL_zero(display);
+
+    if (SDL_AddVideoDisplay(&display, false) == 0) {
+        return false;
+    }
+
+    // Assume we have a mouse and keyboard
+    SDL_AddKeyboard(SDL_DEFAULT_KEYBOARD_ID, NULL, false);
+    SDL_AddMouse(SDL_DEFAULT_MOUSE_ID, NULL, false);
+
+    return true;
+}
+
+static void videoQuit(SDL_VideoDevice *_this)
+{
+}
+
+/**
+ * Creates a new native Screen window and associates it with the given SDL
+ * window.
+ * @param   SDL_VideoDevice *_this
+ * @param   window  SDL window to initialize
+ * @return  0 if successful, -1 on error
+ */
+static bool createWindow(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    window_impl_t   *impl;
+    int             size[2];
+    int             numbufs;
+    int             format;
+    int             usage;
+
+    impl = SDL_calloc(1, sizeof(*impl));
+    if (!impl) {
+        return false;
+    }
+
+    // Create a native window.
+    if (screen_create_window(&impl->window, context) < 0) {
+        goto fail;
+    }
+
+    // Set the native window's size to match the SDL window.
+    size[0] = window->w;
+    size[1] = window->h;
+
+    if (screen_set_window_property_iv(impl->window, SCREEN_PROPERTY_SIZE,
+                                      size) < 0) {
+        goto fail;
+    }
+
+    if (screen_set_window_property_iv(impl->window, SCREEN_PROPERTY_SOURCE_SIZE,
+                                      size) < 0) {
+        goto fail;
+    }
+
+    // Create window buffer(s).
+    if (window->flags & SDL_WINDOW_OPENGL) {
+        if (glGetConfig(&impl->conf, &format) < 0) {
+            goto fail;
+        }
+        numbufs = 2;
+
+        usage = SCREEN_USAGE_OPENGL_ES2;
+        if (screen_set_window_property_iv(impl->window, SCREEN_PROPERTY_USAGE,
+                                          &usage) < 0) {
+            return false;
+        }
+    } else {
+        format = SCREEN_FORMAT_RGBX8888;
+        numbufs = 1;
+    }
+
+    // Set pixel format.
+    if (screen_set_window_property_iv(impl->window, SCREEN_PROPERTY_FORMAT,
+                                      &format) < 0) {
+        goto fail;
+    }
+
+    // Create buffer(s).
+    if (screen_create_window_buffers(impl->window, numbufs) < 0) {
+        goto fail;
+    }
+
+    window->internal = impl;
+    return true;
+
+fail:
+    if (impl->window) {
+        screen_destroy_window(impl->window);
+    }
+
+    SDL_free(impl);
+    return false;
+}
+
+/**
+ * Gets a pointer to the Screen buffer associated with the given window. Note
+ * that the buffer is actually created in createWindow().
+ * @param       SDL_VideoDevice *_this
+ * @param       window  SDL window to get the buffer for
+ * @param[out]  pixles  Holds a pointer to the window's buffer
+ * @param[out]  format  Holds the pixel format for the buffer
+ * @param[out]  pitch   Holds the number of bytes per line
+ * @return  0 if successful, -1 on error
+ */
+static bool createWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window * window, SDL_PixelFormat * format,
+                        void ** pixels, int *pitch)
+{
+    window_impl_t   *impl = (window_impl_t *)window->internal;
+    screen_buffer_t buffer;
+
+    // Get a pointer to the buffer's memory.
+    if (screen_get_window_property_pv(impl->window, SCREEN_PROPERTY_BUFFERS,
+                                      (void **)&buffer) < 0) {
+        return false;
+    }
+
+    if (screen_get_buffer_property_pv(buffer, SCREEN_PROPERTY_POINTER,
+                                      pixels) < 0) {
+        return false;
+    }
+
+    // Set format and pitch.
+    if (screen_get_buffer_property_iv(buffer, SCREEN_PROPERTY_STRIDE,
+                                      pitch) < 0) {
+        return false;
+    }
+
+    *format = SDL_PIXELFORMAT_XRGB8888;
+    return true;
+}
+
+/**
+ * Informs the window manager that the window needs to be updated.
+ * @param   SDL_VideoDevice *_this
+ * @param   window      The window to update
+ * @param   rects       An array of reectangular areas to update
+ * @param   numrects    Rect array length
+ * @return  0 if successful, -1 on error
+ */
+static bool updateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, const SDL_Rect *rects,
+                        int numrects)
+{
+    window_impl_t   *impl = (window_impl_t *)window->internal;
+    screen_buffer_t buffer;
+
+    if (screen_get_window_property_pv(impl->window, SCREEN_PROPERTY_BUFFERS,
+                                      (void **)&buffer) < 0) {
+        return false;
+    }
+
+    screen_post_window(impl->window, buffer, numrects, (int *)rects, 0);
+    screen_flush_context(context, 0);
+    return true;
+}
+
+/**
+ * Runs the main event loop.
+ * @param   SDL_VideoDevice *_this
+ */
+static void pumpEvents(SDL_VideoDevice *_this)
+{
+    int             type;
+
+    for (;;) {
+        if (screen_get_event(context, event, 0) < 0) {
+            break;
+        }
+
+        if (screen_get_event_property_iv(event, SCREEN_PROPERTY_TYPE, &type)
+            < 0) {
+            break;
+        }
+
+        if (type == SCREEN_EVENT_NONE) {
+            break;
+        }
+
+        switch (type) {
+        case SCREEN_EVENT_KEYBOARD:
+            handleKeyboardEvent(event);
+            break;
+
+        default:
+            break;
+        }
+    }
+}
+
+/**
+ * Updates the size of the native window using the geometry of the SDL window.
+ * @param   SDL_VideoDevice *_this
+ * @param   window  SDL window to update
+ */
+static void setWindowSize(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    window_impl_t   *impl = (window_impl_t *)window->internal;
+    int             size[2];
+
+    size[0] = window->pending.w;
+    size[1] = window->pending.h;
+
+    screen_set_window_property_iv(impl->window, SCREEN_PROPERTY_SIZE, size);
+    screen_set_window_property_iv(impl->window, SCREEN_PROPERTY_SOURCE_SIZE, size);
+}
+
+/**
+ * Makes the native window associated with the given SDL window visible.
+ * @param   SDL_VideoDevice *_this
+ * @param   window  SDL window to update
+ */
+static void showWindow(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    window_impl_t   *impl = (window_impl_t *)window->internal;
+    const int       visible = 1;
+
+    screen_set_window_property_iv(impl->window, SCREEN_PROPERTY_VISIBLE,
+                                  &visible);
+}
+
+/**
+ * Makes the native window associated with the given SDL window invisible.
+ * @param   SDL_VideoDevice *_this
+ * @param   window  SDL window to update
+ */
+static void hideWindow(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    window_impl_t   *impl = (window_impl_t *)window->internal;
+    const int       visible = 0;
+
+    screen_set_window_property_iv(impl->window, SCREEN_PROPERTY_VISIBLE,
+        &visible);
+}
+
+/**
+ * Destroys the native window associated with the given SDL window.
+ * @param   SDL_VideoDevice *_this
+ * @param   window  SDL window that is being destroyed
+ */
+static void destroyWindow(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    window_impl_t   *impl = (window_impl_t *)window->internal;
+
+    if (impl) {
+        screen_destroy_window(impl->window);
+        window->internal = NULL;
+    }
+}
+
+/**
+ * Frees the plugin object created by createDevice().
+ * @param   device  Plugin object to free
+ */
+static void deleteDevice(SDL_VideoDevice *device)
+{
+    SDL_free(device);
+}
+
+/**
+ * Creates the QNX video plugin used by SDL.
+ * @return  Initialized device if successful, NULL otherwise
+ */
+static SDL_VideoDevice *createDevice(void)
+{
+    SDL_VideoDevice *device;
+
+    device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice));
+    if (!device) {
+        return NULL;
+    }
+
+    device->internal = NULL;
+    device->VideoInit = videoInit;
+    device->VideoQuit = videoQuit;
+    device->CreateSDLWindow = createWindow;
+    device->CreateWindowFramebuffer = createWindowFramebuffer;
+    device->UpdateWindowFramebuffer = updateWindowFramebuffer;
+    device->SetWindowSize = setWindowSize;
+    device->ShowWindow = showWindow;
+    device->HideWindow = hideWindow;
+    device->PumpEvents = pumpEvents;
+    device->DestroyWindow = destroyWindow;
+
+    device->GL_LoadLibrary = glLoadLibrary;
+    device->GL_GetProcAddress = glGetProcAddress;
+    device->GL_CreateContext = glCreateContext;
+    device->GL_SetSwapInterval = glSetSwapInterval;
+    device->GL_SwapWindow = glSwapWindow;
+    device->GL_MakeCurrent = glMakeCurrent;
+    device->GL_DestroyContext = glDeleteContext;
+    device->GL_UnloadLibrary = glUnloadLibrary;
+
+    device->free = deleteDevice;
+    return device;
+}
+
+VideoBootStrap QNX_bootstrap = {
+    "qnx", "QNX Screen",
+    createDevice,
+    NULL, // no ShowMessageBox implementation
+    false
+};