*initHEADmaster

1 files changed, 423 insertions, 0 deletions

diff --git a/source/3rd-party/SDL2/src/video/mir/SDL_mirvideo.c b/source/3rd-party/SDL2/src/video/mir/SDL_mirvideo.c
new file mode 100644
index 0000000..8f3a368
--- /dev/null
+++ b/source/3rd-party/SDL2/src/video/mir/SDL_mirvideo.c
@@ -0,0 +1,423 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  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.
+*/
+
+/*
+  Contributed by Brandon Schaefer, <brandon.schaefer@canonical.com>
+*/
+
+#include "../../SDL_internal.h"
+
+#if SDL_VIDEO_DRIVER_MIR
+
+#include "SDL_assert.h"
+#include "SDL_log.h"
+
+#include "SDL_mirwindow.h"
+#include "SDL_video.h"
+
+#include "SDL_mirframebuffer.h"
+#include "SDL_mirmouse.h"
+#include "SDL_miropengl.h"
+#include "SDL_mirvideo.h"
+#include "SDL_mirvulkan.h"
+
+#include "SDL_mirdyn.h"
+
+#define MIR_DRIVER_NAME "mir"
+
+static const Uint32 mir_pixel_format_to_sdl_format[] = {
+    SDL_PIXELFORMAT_UNKNOWN,  /* mir_pixel_format_invalid   */
+    SDL_PIXELFORMAT_ABGR8888, /* mir_pixel_format_abgr_8888 */
+    SDL_PIXELFORMAT_BGR888,   /* mir_pixel_format_xbgr_8888 */
+    SDL_PIXELFORMAT_ARGB8888, /* mir_pixel_format_argb_8888 */
+    SDL_PIXELFORMAT_RGB888,   /* mir_pixel_format_xrgb_8888 */
+    SDL_PIXELFORMAT_BGR24,    /* mir_pixel_format_bgr_888   */
+    SDL_PIXELFORMAT_RGB24,    /* mir_pixel_format_rgb_888   */
+    SDL_PIXELFORMAT_RGB565,   /* mir_pixel_format_rgb_565   */
+    SDL_PIXELFORMAT_RGBA5551, /* mir_pixel_format_rgba_5551 */
+    SDL_PIXELFORMAT_RGBA4444  /* mir_pixel_format_rgba_4444 */
+};
+
+Uint32
+MIR_GetSDLPixelFormat(MirPixelFormat format)
+{
+    return mir_pixel_format_to_sdl_format[format];
+}
+
+static int
+MIR_VideoInit(_THIS);
+
+static void
+MIR_VideoQuit(_THIS);
+
+static int
+MIR_GetDisplayBounds(_THIS, SDL_VideoDisplay* display, SDL_Rect* rect);
+
+static void
+MIR_GetDisplayModes(_THIS, SDL_VideoDisplay* sdl_display);
+
+static int
+MIR_SetDisplayMode(_THIS, SDL_VideoDisplay* sdl_display, SDL_DisplayMode* mode);
+
+static SDL_WindowShaper*
+MIR_CreateShaper(SDL_Window* window)
+{
+    /* FIXME Im not sure if mir support this atm, will have to come back to this */
+    return NULL;
+}
+
+static int
+MIR_SetWindowShape(SDL_WindowShaper* shaper, SDL_Surface* shape, SDL_WindowShapeMode* shape_mode)
+{
+    return SDL_Unsupported();
+}
+
+static int
+MIR_ResizeWindowShape(SDL_Window* window)
+{
+    return SDL_Unsupported();
+}
+
+static int
+MIR_Available()
+{
+    int available = 0;
+
+    if (SDL_MIR_LoadSymbols()) {
+
+        /* Lets ensure we can connect to the mir server */
+        MirConnection* connection = MIR_mir_connect_sync(NULL, SDL_FUNCTION);
+
+        if (!MIR_mir_connection_is_valid(connection)) {
+            SDL_LogWarn(SDL_LOG_CATEGORY_VIDEO, "Unable to connect to the mir server %s",
+                MIR_mir_connection_get_error_message(connection));
+
+            return available;
+        }
+
+        MIR_mir_connection_release(connection);
+
+        available = 1;
+        SDL_MIR_UnloadSymbols();
+    }
+
+    return available;
+}
+
+static void
+MIR_DeleteDevice(SDL_VideoDevice* device)
+{
+    SDL_free(device);
+    SDL_MIR_UnloadSymbols();
+}
+
+static void
+MIR_PumpEvents(_THIS)
+{
+}
+
+static SDL_VideoDevice*
+MIR_CreateDevice(int device_index)
+{
+    MIR_Data* mir_data;
+    SDL_VideoDevice* device = NULL;
+
+    if (!SDL_MIR_LoadSymbols()) {
+        return NULL;
+    }
+
+    device = SDL_calloc(1, sizeof(SDL_VideoDevice));
+    if (!device) {
+        SDL_MIR_UnloadSymbols();
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    mir_data = SDL_calloc(1, sizeof(MIR_Data));
+    if (!mir_data) {
+        SDL_free(device);
+        SDL_MIR_UnloadSymbols();
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    device->driverdata = mir_data;
+
+    /* mirvideo */
+    device->VideoInit        = MIR_VideoInit;
+    device->VideoQuit        = MIR_VideoQuit;
+    device->GetDisplayBounds = MIR_GetDisplayBounds;
+    device->GetDisplayModes  = MIR_GetDisplayModes;
+    device->SetDisplayMode   = MIR_SetDisplayMode;
+    device->free             = MIR_DeleteDevice;
+
+    /* miropengles */
+    device->GL_SwapWindow      = MIR_GL_SwapWindow;
+    device->GL_MakeCurrent     = MIR_GL_MakeCurrent;
+    device->GL_CreateContext   = MIR_GL_CreateContext;
+    device->GL_DeleteContext   = MIR_GL_DeleteContext;
+    device->GL_LoadLibrary     = MIR_GL_LoadLibrary;
+    device->GL_UnloadLibrary   = MIR_GL_UnloadLibrary;
+    device->GL_GetSwapInterval = MIR_GL_GetSwapInterval;
+    device->GL_SetSwapInterval = MIR_GL_SetSwapInterval;
+    device->GL_GetProcAddress  = MIR_GL_GetProcAddress;
+
+    /* mirwindow */
+    device->CreateSDLWindow         = MIR_CreateWindow;
+    device->DestroyWindow        = MIR_DestroyWindow;
+    device->GetWindowWMInfo      = MIR_GetWindowWMInfo;
+    device->SetWindowFullscreen  = MIR_SetWindowFullscreen;
+    device->MaximizeWindow       = MIR_MaximizeWindow;
+    device->MinimizeWindow       = MIR_MinimizeWindow;
+    device->RestoreWindow        = MIR_RestoreWindow;
+    device->ShowWindow           = MIR_RestoreWindow;
+    device->HideWindow           = MIR_HideWindow;
+    device->SetWindowSize        = MIR_SetWindowSize;
+    device->SetWindowMinimumSize = MIR_SetWindowMinimumSize;
+    device->SetWindowMaximumSize = MIR_SetWindowMaximumSize;
+    device->SetWindowTitle       = MIR_SetWindowTitle;
+    device->SetWindowGrab        = MIR_SetWindowGrab;
+    device->SetWindowGammaRamp   = MIR_SetWindowGammaRamp;
+    device->GetWindowGammaRamp   = MIR_GetWindowGammaRamp;
+
+    device->CreateSDLWindowFrom     = NULL;
+    device->SetWindowIcon        = NULL;
+    device->RaiseWindow          = NULL;
+    device->SetWindowBordered    = NULL;
+    device->SetWindowResizable   = NULL;
+    device->OnWindowEnter        = NULL;
+    device->SetWindowPosition    = NULL;
+
+    /* mirframebuffer */
+    device->CreateWindowFramebuffer  = MIR_CreateWindowFramebuffer;
+    device->UpdateWindowFramebuffer  = MIR_UpdateWindowFramebuffer;
+    device->DestroyWindowFramebuffer = MIR_DestroyWindowFramebuffer;
+
+    device->shape_driver.CreateShaper      = MIR_CreateShaper;
+    device->shape_driver.SetWindowShape    = MIR_SetWindowShape;
+    device->shape_driver.ResizeWindowShape = MIR_ResizeWindowShape;
+
+    device->PumpEvents = MIR_PumpEvents;
+
+    device->SuspendScreenSaver = NULL;
+
+    device->StartTextInput   = NULL;
+    device->StopTextInput    = NULL;
+    device->SetTextInputRect = NULL;
+
+    device->HasScreenKeyboardSupport = NULL;
+    device->ShowScreenKeyboard       = NULL;
+    device->HideScreenKeyboard       = NULL;
+    device->IsScreenKeyboardShown    = NULL;
+
+    device->SetClipboardText = NULL;
+    device->GetClipboardText = NULL;
+    device->HasClipboardText = NULL;
+
+    device->ShowMessageBox = NULL;
+
+#if SDL_VIDEO_VULKAN
+    device->Vulkan_LoadLibrary = MIR_Vulkan_LoadLibrary;
+    device->Vulkan_UnloadLibrary = MIR_Vulkan_UnloadLibrary;
+    device->Vulkan_GetInstanceExtensions = MIR_Vulkan_GetInstanceExtensions;
+    device->Vulkan_CreateSurface = MIR_Vulkan_CreateSurface;
+#endif
+
+    return device;
+}
+
+VideoBootStrap MIR_bootstrap = {
+    MIR_DRIVER_NAME, "SDL Mir video driver",
+    MIR_Available, MIR_CreateDevice
+};
+
+static SDL_DisplayMode
+MIR_ConvertModeToSDLMode(MirOutputMode const* mode, MirPixelFormat format)
+{
+    SDL_DisplayMode sdl_mode  = {
+        .format = MIR_GetSDLPixelFormat(format),
+        .w      = MIR_mir_output_mode_get_width(mode),
+        .h      = MIR_mir_output_mode_get_height(mode),
+        .refresh_rate = MIR_mir_output_mode_get_refresh_rate(mode),
+        .driverdata   = NULL
+    };
+
+    return sdl_mode;
+}
+
+static void
+MIR_AddModeToDisplay(SDL_VideoDisplay* display, MirOutputMode const* mode, MirPixelFormat format)
+{
+    SDL_DisplayMode sdl_mode = MIR_ConvertModeToSDLMode(mode, format);
+    SDL_AddDisplayMode(display, &sdl_mode);
+}
+
+static void
+MIR_InitDisplayFromOutput(_THIS, MirOutput* output)
+{
+    SDL_VideoDisplay display;
+    int m;
+
+    MirPixelFormat format = MIR_mir_output_get_current_pixel_format(output);
+    int num_modes         = MIR_mir_output_get_num_modes(output);
+    SDL_DisplayMode current_mode = MIR_ConvertModeToSDLMode(MIR_mir_output_get_current_mode(output), format);
+
+    SDL_zero(display);
+
+    // Unfortunate cast, but SDL_AddVideoDisplay will strdup this pointer so its read-only in this case.
+    display.name = (char*)MIR_mir_output_type_name(MIR_mir_output_get_type(output));
+
+    for (m = 0; m < num_modes; m++) {
+        MirOutputMode const* mode = MIR_mir_output_get_mode(output, m);
+        MIR_AddModeToDisplay(&display, mode, format);
+    }
+
+    display.desktop_mode = current_mode;
+    display.current_mode = current_mode;
+
+    display.driverdata = output;
+    SDL_AddVideoDisplay(&display);
+}
+
+static void
+MIR_InitDisplays(_THIS)
+{
+    MIR_Data* mir_data = _this->driverdata;
+    int num_outputs    = MIR_mir_display_config_get_num_outputs(mir_data->display_config);
+    int d;
+
+    for (d = 0; d < num_outputs; d++) {
+        MirOutput* output = MIR_mir_display_config_get_mutable_output(mir_data->display_config, d);
+        SDL_bool enabled  = MIR_mir_output_is_enabled(output);
+        MirOutputConnectionState state = MIR_mir_output_get_connection_state(output);
+
+        if (enabled && state == mir_output_connection_state_connected) {
+            MIR_InitDisplayFromOutput(_this, output);
+        }
+    }
+}
+
+static int
+MIR_VideoInit(_THIS)
+{
+    MIR_Data* mir_data = _this->driverdata;
+
+    mir_data->connection     = MIR_mir_connect_sync(NULL, SDL_FUNCTION);
+    mir_data->current_window = NULL;
+    mir_data->software       = SDL_FALSE;
+    mir_data->pixel_format   = mir_pixel_format_invalid;
+
+    if (!MIR_mir_connection_is_valid(mir_data->connection)) {
+        return SDL_SetError("Failed to connect to the mir server: %s",
+            MIR_mir_connection_get_error_message(mir_data->connection));
+    }
+
+    mir_data->display_config = MIR_mir_connection_create_display_configuration(mir_data->connection);
+
+    MIR_InitDisplays(_this);
+    MIR_InitMouse();
+
+    return 0;
+}
+
+static void
+MIR_CleanUpDisplayConfig(_THIS)
+{
+    MIR_Data* mir_data = _this->driverdata;
+    int i;
+
+    // SDL_VideoQuit frees the display driverdata, we own it not them
+    for (i = 0; i < _this->num_displays; ++i) {
+        _this->displays[i].driverdata = NULL;
+    }
+
+    MIR_mir_display_config_release(mir_data->display_config);
+}
+
+static void
+MIR_VideoQuit(_THIS)
+{
+    MIR_Data* mir_data = _this->driverdata;
+
+    MIR_CleanUpDisplayConfig(_this);
+
+    MIR_FiniMouse();
+
+    MIR_GL_DeleteContext(_this, NULL);
+    MIR_GL_UnloadLibrary(_this);
+
+    MIR_mir_connection_release(mir_data->connection);
+
+    SDL_free(mir_data);
+    _this->driverdata = NULL;
+}
+
+static int
+MIR_GetDisplayBounds(_THIS, SDL_VideoDisplay* display, SDL_Rect* rect)
+{
+    MirOutput const* output = display->driverdata;
+
+    rect->x = MIR_mir_output_get_position_x(output);
+    rect->y = MIR_mir_output_get_position_y(output);
+    rect->w = display->current_mode.w;
+    rect->h = display->current_mode.h;
+
+    return 0;
+}
+
+static void
+MIR_GetDisplayModes(_THIS, SDL_VideoDisplay* display)
+{
+}
+
+static int
+MIR_SetDisplayMode(_THIS, SDL_VideoDisplay* display, SDL_DisplayMode* mode)
+{
+    int m;
+    MirOutput* output = display->driverdata;
+    int num_modes     = MIR_mir_output_get_num_modes(output);
+    Uint32 sdl_format = MIR_GetSDLPixelFormat(
+                            MIR_mir_output_get_current_pixel_format(output));
+
+    for (m = 0; m < num_modes; m++) {
+        MirOutputMode const* mir_mode = MIR_mir_output_get_mode(output, m);
+        int width  = MIR_mir_output_mode_get_width(mir_mode);
+        int height = MIR_mir_output_mode_get_height(mir_mode);
+        double refresh_rate = MIR_mir_output_mode_get_refresh_rate(mir_mode);
+
+        if (mode->format == sdl_format &&
+            mode->w      == width &&
+            mode->h      == height &&
+            mode->refresh_rate == refresh_rate) {
+
+            // FIXME Currently wont actually *set* anything. Need to wait for applying display changes
+            MIR_mir_output_set_current_mode(output, mir_mode);
+            return 0;
+        }
+    }
+
+    return -1;
+}
+
+#endif /* SDL_VIDEO_DRIVER_MIR */
+
+/* vi: set ts=4 sw=4 expandtab: */
+