SDL_naclvideo.c
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/*
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.
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_NACL
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi_simple/ps.h"
#include "ppapi_simple/ps_interface.h"
#include "ppapi_simple/ps_event.h"
#include "nacl_io/nacl_io.h"
#include "SDL_naclvideo.h"
#include "SDL_naclwindow.h"
#include "SDL_naclevents_c.h"
#include "SDL_naclopengles.h"
#include "SDL_video.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_events_c.h"
#define NACLVID_DRIVER_NAME "nacl"
/* Static init required because NACL_SetScreenResolution
* may appear even before SDL starts and we want to remember
* the window width and height
*/
static SDL_VideoData nacl = {0};
void
NACL_SetScreenResolution(int width, int height, Uint32 format)
{
PP_Resource context;
nacl.w = width;
nacl.h = height;
nacl.format = format;
if (nacl.window) {
nacl.window->w = width;
nacl.window->h = height;
SDL_SendWindowEvent(nacl.window, SDL_WINDOWEVENT_RESIZED, width, height);
}
/* FIXME: Check threading issues...otherwise use a hardcoded _this->context across all threads */
context = (PP_Resource) SDL_GL_GetCurrentContext();
if (context) {
PSInterfaceGraphics3D()->ResizeBuffers(context, width, height);
}
}
/* Initialization/Query functions */
static int NACL_VideoInit(_THIS);
static void NACL_VideoQuit(_THIS);
static int NACL_Available(void) {
return PSGetInstanceId() != 0;
}
static void NACL_DeleteDevice(SDL_VideoDevice *device) {
SDL_VideoData *driverdata = (SDL_VideoData*) device->driverdata;
driverdata->ppb_core->ReleaseResource((PP_Resource) driverdata->ppb_message_loop);
/* device->driverdata is not freed because it points to static memory */
SDL_free(device);
}
static int
NACL_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
{
return 0;
}
static SDL_VideoDevice *NACL_CreateDevice(int devindex) {
SDL_VideoDevice *device;
/* Initialize all variables that we clean on shutdown */
device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
if (!device) {
SDL_OutOfMemory();
return NULL;
}
device->driverdata = &nacl;
/* Set the function pointers */
device->VideoInit = NACL_VideoInit;
device->VideoQuit = NACL_VideoQuit;
device->PumpEvents = NACL_PumpEvents;
device->CreateSDLWindow = NACL_CreateWindow;
device->SetWindowTitle = NACL_SetWindowTitle;
device->DestroyWindow = NACL_DestroyWindow;
device->SetDisplayMode = NACL_SetDisplayMode;
device->free = NACL_DeleteDevice;
/* GL pointers */
device->GL_LoadLibrary = NACL_GLES_LoadLibrary;
device->GL_GetProcAddress = NACL_GLES_GetProcAddress;
device->GL_UnloadLibrary = NACL_GLES_UnloadLibrary;
device->GL_CreateContext = NACL_GLES_CreateContext;
device->GL_MakeCurrent = NACL_GLES_MakeCurrent;
device->GL_SetSwapInterval = NACL_GLES_SetSwapInterval;
device->GL_GetSwapInterval = NACL_GLES_GetSwapInterval;
device->GL_SwapWindow = NACL_GLES_SwapWindow;
device->GL_DeleteContext = NACL_GLES_DeleteContext;
return device;
}
VideoBootStrap NACL_bootstrap = {
NACLVID_DRIVER_NAME, "SDL Native Client Video Driver",
NACL_Available, NACL_CreateDevice
};
int NACL_VideoInit(_THIS) {
SDL_VideoData *driverdata = (SDL_VideoData *) _this->driverdata;
SDL_DisplayMode mode;
SDL_zero(mode);
mode.format = driverdata->format;
mode.w = driverdata->w;
mode.h = driverdata->h;
mode.refresh_rate = 0;
mode.driverdata = NULL;
if (SDL_AddBasicVideoDisplay(&mode) < 0) {
return -1;
}
SDL_AddDisplayMode(&_this->displays[0], &mode);
PSInterfaceInit();
driverdata->instance = PSGetInstanceId();
driverdata->ppb_graphics = PSInterfaceGraphics3D();
driverdata->ppb_message_loop = PSInterfaceMessageLoop();
driverdata->ppb_core = PSInterfaceCore();
driverdata->ppb_fullscreen = PSInterfaceFullscreen();
driverdata->ppb_instance = PSInterfaceInstance();
driverdata->ppb_image_data = PSInterfaceImageData();
driverdata->ppb_view = PSInterfaceView();
driverdata->ppb_var = PSInterfaceVar();
driverdata->ppb_input_event = (PPB_InputEvent*) PSGetInterface(PPB_INPUT_EVENT_INTERFACE);
driverdata->ppb_keyboard_input_event = (PPB_KeyboardInputEvent*) PSGetInterface(PPB_KEYBOARD_INPUT_EVENT_INTERFACE);
driverdata->ppb_mouse_input_event = (PPB_MouseInputEvent*) PSGetInterface(PPB_MOUSE_INPUT_EVENT_INTERFACE);
driverdata->ppb_wheel_input_event = (PPB_WheelInputEvent*) PSGetInterface(PPB_WHEEL_INPUT_EVENT_INTERFACE);
driverdata->ppb_touch_input_event = (PPB_TouchInputEvent*) PSGetInterface(PPB_TOUCH_INPUT_EVENT_INTERFACE);
driverdata->message_loop = driverdata->ppb_message_loop->Create(driverdata->instance);
PSEventSetFilter(PSE_ALL);
/* We're done! */
return 0;
}
void NACL_VideoQuit(_THIS) {
}
#endif /* SDL_VIDEO_DRIVER_NACL */
/* vi: set ts=4 sw=4 expandtab: */
NACL_SetWindowTitle
void NACL_SetWindowTitle(_THIS, SDL_Window *window)
SDL_VideoData::ppb_mouse_input_event
const PPB_MouseInputEvent * ppb_mouse_input_event
Definition: SDL_naclvideo.h:52
SDL_VideoData::ppb_touch_input_event
const PPB_TouchInputEvent * ppb_touch_input_event
Definition: SDL_naclvideo.h:54
SDL_VideoData::ppb_wheel_input_event
const PPB_WheelInputEvent * ppb_wheel_input_event
Definition: SDL_naclvideo.h:53
SDL_VideoData::ppb_instance
const PPB_Instance * ppb_instance
Definition: SDL_naclvideo.h:46
SDL_Window::w
int w
Definition: SDL_sysvideo.h:80
SDL_VideoDevice::free
void(* free)(_THIS)
Definition: SDL_sysvideo.h:390
SDL_VideoData::ppb_graphics
const PPB_Graphics3D * ppb_graphics
Definition: SDL_naclvideo.h:42
SDL_AddBasicVideoDisplay
int SDL_AddBasicVideoDisplay(const SDL_DisplayMode *desktop_mode)
Definition: SDL_video.c:592
SDL_VideoData::ppb_input_event
const PPB_InputEvent * ppb_input_event
Definition: SDL_naclvideo.h:50
SDL_VideoDevice::driverdata
void * driverdata
Definition: SDL_sysvideo.h:377
SDL_VideoDevice::GL_SetSwapInterval
int(* GL_SetSwapInterval)(_THIS, int interval)
Definition: SDL_sysvideo.h:260
SDL_VideoData::message_loop
PP_Resource message_loop
Definition: SDL_naclvideo.h:56
context
static screen_context_t context
Definition: video.c:25
SDL_DisplayMode
The structure that defines a display mode.
Definition: SDL_video.h:53
NACL_GLES_CreateContext
SDL_GLContext NACL_GLES_CreateContext(_THIS, SDL_Window *window)
SDL_SendWindowEvent
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
Definition: SDL_windowevents.c:88
Uint32
uint32_t Uint32
Definition: SDL_stdinc.h:181
SDL_VideoData::ppb_view
const PPB_View * ppb_view
Definition: SDL_naclvideo.h:48
NACL_bootstrap
VideoBootStrap NACL_bootstrap
SDL_VideoDevice::GL_LoadLibrary
int(* GL_LoadLibrary)(_THIS, const char *path)
Definition: SDL_sysvideo.h:254
width
GLint GLint GLsizei width
Definition: SDL_opengl.h:1572
SDL_naclevents_c.h
SDL_VideoDevice::SetDisplayMode
int(* SetDisplayMode)(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
Definition: SDL_sysvideo.h:204
SDL_VideoData::window
SDL_Window * window
Definition: SDL_naclvideo.h:40
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
format
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: SDL_opengl.h:1572
device
static SDL_AudioDeviceID device
Definition: loopwave.c:37
SDL_video.h
SDL_VideoDevice::GL_CreateContext
SDL_GLContext(* GL_CreateContext)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:257
NACL_GLES_SwapWindow
int NACL_GLES_SwapWindow(_THIS, SDL_Window *window)
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
SDL_VideoDevice::GL_MakeCurrent
int(* GL_MakeCurrent)(_THIS, SDL_Window *window, SDL_GLContext context)
Definition: SDL_sysvideo.h:258
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
VideoBootStrap
Definition: SDL_sysvideo.h:393
NACL_CreateWindow
int NACL_CreateWindow(_THIS, SDL_Window *window)
SDL_VideoData::h
int h
Definition: SDL_naclvideo.h:39
mode
GLenum mode
Definition: SDL_opengl_glext.h:1122
SDL_VideoDevice::displays
SDL_VideoDisplay * displays
Definition: SDL_sysvideo.h:312
SDL_VideoDevice::DestroyWindow
void(* DestroyWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:234
SDL_zero
#define SDL_zero(x)
Definition: SDL_stdinc.h:416
NACL_GLES_GetSwapInterval
int NACL_GLES_GetSwapInterval(_THIS)
NACL_SetScreenResolution
void NACL_SetScreenResolution(int width, int height, Uint32 format)
SDL_VideoData::instance
PP_Instance instance
Definition: SDL_naclvideo.h:57
NACL_GLES_LoadLibrary
int NACL_GLES_LoadLibrary(_THIS, const char *path)
SDL_VideoData::ppb_image_data
const PPB_ImageData * ppb_image_data
Definition: SDL_naclvideo.h:47
SDL_VideoDisplay
Definition: SDL_sysvideo.h:125
SDL_Window::h
int h
Definition: SDL_sysvideo.h:80
SDL_VideoDevice::GL_UnloadLibrary
void(* GL_UnloadLibrary)(_THIS)
Definition: SDL_sysvideo.h:256
NACL_PumpEvents
void NACL_PumpEvents(_THIS)
SDL_VideoData::ppb_keyboard_input_event
const PPB_KeyboardInputEvent * ppb_keyboard_input_event
Definition: SDL_naclvideo.h:51
NULL
#define NULL
Definition: begin_code.h:164
SDL_VideoDevice::CreateSDLWindow
int(* CreateSDLWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:210
SDL_OutOfMemory
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_GL_GetCurrentContext
#define SDL_GL_GetCurrentContext
Definition: SDL_dynapi_overrides.h:562
SDL_VideoDevice::VideoQuit
void(* VideoQuit)(_THIS)
Definition: SDL_sysvideo.h:166
NACL_GLES_MakeCurrent
int NACL_GLES_MakeCurrent(_THIS, SDL_Window *window, SDL_GLContext context)
height
GLint GLint GLsizei GLsizei height
Definition: SDL_opengl.h:1572
SDL_calloc
#define SDL_calloc
Definition: SDL_dynapi_overrides.h:375
NACL_DestroyWindow
void NACL_DestroyWindow(_THIS, SDL_Window *window)
SDL_VideoData::ppb_var
const PPB_Var * ppb_var
Definition: SDL_naclvideo.h:49
NACL_GLES_DeleteContext
void NACL_GLES_DeleteContext(_THIS, SDL_GLContext context)
NACL_GLES_UnloadLibrary
void NACL_GLES_UnloadLibrary(_THIS)
SDL_VideoData::ppb_message_loop
const PPB_MessageLoop * ppb_message_loop
Definition: SDL_naclvideo.h:43
SDL_VideoDevice::GL_SwapWindow
int(* GL_SwapWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:262
SDL_VideoData::ppb_fullscreen
const PPB_Fullscreen * ppb_fullscreen
Definition: SDL_naclvideo.h:45
SDL_naclopengles.h
SDL_VideoDevice
Definition: SDL_sysvideo.h:147
SDL_VideoData
Definition: SDL_androidvideo.h:35
SDL_AddDisplayMode
SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode *mode)
Definition: SDL_video.c:743
SDL_VideoDevice::VideoInit
int(* VideoInit)(_THIS)
Definition: SDL_sysvideo.h:160
SDL_WINDOWEVENT_RESIZED
Definition: SDL_video.h:155
SDL_VideoData::ppb_core
const PPB_Core * ppb_core
Definition: SDL_naclvideo.h:44
SDL_VideoDevice::GL_DeleteContext
void(* GL_DeleteContext)(_THIS, SDL_GLContext context)
Definition: SDL_sysvideo.h:263
SDL_VideoDevice::SetWindowTitle
void(* SetWindowTitle)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:212
SDL_VideoDevice::GL_GetSwapInterval
int(* GL_GetSwapInterval)(_THIS)
Definition: SDL_sysvideo.h:261
SDL_naclvideo.h
SDL_VideoData::w
int w
Definition: SDL_naclvideo.h:39
NACL_GLES_SetSwapInterval
int NACL_GLES_SetSwapInterval(_THIS, int interval)
SDL_VideoData::format
Uint32 format
Definition: SDL_naclvideo.h:38
SDL_VideoDevice::GL_GetProcAddress
void *(* GL_GetProcAddress)(_THIS, const char *proc)
Definition: SDL_sysvideo.h:255
SDL_naclwindow.h
SDL_VideoDevice::PumpEvents
void(* PumpEvents)(_THIS)
Definition: SDL_sysvideo.h:280
NACL_GLES_GetProcAddress
void * NACL_GLES_GetProcAddress(_THIS, const char *proc)