feat(gx): add incomplete 'CGxDeviceGLSDL' (#2)

* chore(build): add vendored SDL 3.0.0 library

* chore(build): add vendored glew-cmake-2.2.0 library

* feat(console): in the presence of -opengl launch flag, change GxApi to OpenGl

* feat(gx): add uncompleted CGxDeviceGLSDL targeting Windows and Linux

* chore(build): change SDL3 linkage from shared (bad) to to static (good)
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phaneron 2023-11-18 10:50:16 -05:00 committed by GitHub
parent 934e0fb600
commit 706c8903a1
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2043 changed files with 663533 additions and 5 deletions

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 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"
#ifdef SDL_VIDEO_DRIVER_DUMMY
/* Being a null driver, there's no event stream. We just define stubs for
most of the API. */
#include "../../events/SDL_events_c.h"
#include "SDL_nullvideo.h"
#include "SDL_nullevents_c.h"
void DUMMY_PumpEvents(SDL_VideoDevice *_this)
{
/* do nothing. */
}
#endif /* SDL_VIDEO_DRIVER_DUMMY */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 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.
*/
#ifndef SDL_nullevents_c_h_
#define SDL_nullevents_c_h_
#include "SDL_internal.h"
#include "SDL_nullvideo.h"
extern void DUMMY_PumpEvents(SDL_VideoDevice *_this);
#endif /* SDL_nullevents_c_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 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"
#ifdef SDL_VIDEO_DRIVER_DUMMY
#include "../SDL_sysvideo.h"
#include "SDL_nullframebuffer_c.h"
#define DUMMY_SURFACE "_SDL_DummySurface"
static void CleanupSurface(void *userdata, void *value)
{
SDL_Surface *surface = (SDL_Surface *)value;
SDL_DestroySurface(surface);
}
int SDL_DUMMY_CreateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, Uint32 *format, void **pixels, int *pitch)
{
SDL_Surface *surface;
const Uint32 surface_format = SDL_PIXELFORMAT_XRGB8888;
int w, h;
/* Create a new framebuffer */
SDL_GetWindowSizeInPixels(window, &w, &h);
surface = SDL_CreateSurface(w, h, surface_format);
if (surface == NULL) {
return -1;
}
/* Save the info and return! */
SDL_SetProperty(SDL_GetWindowProperties(window), DUMMY_SURFACE, surface, CleanupSurface, NULL);
*format = surface_format;
*pixels = surface->pixels;
*pitch = surface->pitch;
return 0;
}
int SDL_DUMMY_UpdateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, const SDL_Rect *rects, int numrects)
{
static int frame_number;
SDL_Surface *surface;
surface = (SDL_Surface *)SDL_GetProperty(SDL_GetWindowProperties(window), DUMMY_SURFACE);
if (surface == NULL) {
return SDL_SetError("Couldn't find dummy surface for window");
}
/* Send the data to the display */
if (SDL_getenv("SDL_VIDEO_DUMMY_SAVE_FRAMES")) {
char file[128];
(void)SDL_snprintf(file, sizeof(file), "SDL_window%" SDL_PRIu32 "-%8.8d.bmp",
SDL_GetWindowID(window), ++frame_number);
SDL_SaveBMP(surface, file);
}
return 0;
}
void SDL_DUMMY_DestroyWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window)
{
SDL_ClearProperty(SDL_GetWindowProperties(window), DUMMY_SURFACE);
}
#endif /* SDL_VIDEO_DRIVER_DUMMY */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 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.
*/
#ifndef SDL_nullframebuffer_c_h_
#define SDL_nullframebuffer_c_h_
#include "SDL_internal.h"
extern int SDL_DUMMY_CreateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, Uint32 *format, void **pixels, int *pitch);
extern int SDL_DUMMY_UpdateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, const SDL_Rect *rects, int numrects);
extern void SDL_DUMMY_DestroyWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window);
#endif /* SDL_nullframebuffer_c_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 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"
#ifdef SDL_VIDEO_DRIVER_DUMMY
/* Dummy SDL video driver implementation; this is just enough to make an
* SDL-based application THINK it's got a working video driver, for
* applications that call SDL_Init(SDL_INIT_VIDEO) when they don't need it,
* and also for use as a collection of stubs when porting SDL to a new
* platform for which you haven't yet written a valid video driver.
*
* This is also a great way to determine bottlenecks: if you think that SDL
* is a performance problem for a given platform, enable this driver, and
* then see if your application runs faster without video overhead.
*
* Initial work by Ryan C. Gordon (icculus@icculus.org). A good portion
* of this was cut-and-pasted from Stephane Peter's work in the AAlib
* SDL video driver. Renamed to "DUMMY" by Sam Lantinga.
*/
#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "../../events/SDL_events_c.h"
#ifdef SDL_INPUT_LINUXEV
#include "../../core/linux/SDL_evdev.h"
#endif
#include "SDL_nullvideo.h"
#include "SDL_nullevents_c.h"
#include "SDL_nullframebuffer_c.h"
#define DUMMYVID_DRIVER_NAME "dummy"
#define DUMMYVID_DRIVER_EVDEV_NAME "evdev"
/* Initialization/Query functions */
static int DUMMY_VideoInit(SDL_VideoDevice *_this);
static void DUMMY_VideoQuit(SDL_VideoDevice *_this);
/* DUMMY driver bootstrap functions */
static int DUMMY_Available(const char *enable_hint)
{
const char *hint = SDL_GetHint(SDL_HINT_VIDEO_DRIVER);
if (hint) {
if (SDL_strcmp(hint, enable_hint) == 0) {
return 1;
}
}
return 0;
}
static void DUMMY_DeleteDevice(SDL_VideoDevice *device)
{
SDL_free(device);
}
static SDL_VideoDevice *DUMMY_InternalCreateDevice(const char *enable_hint)
{
SDL_VideoDevice *device;
if (!DUMMY_Available(enable_hint)) {
return 0;
}
/* Initialize all variables that we clean on shutdown */
device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice));
if (device == NULL) {
SDL_OutOfMemory();
return 0;
}
device->is_dummy = SDL_TRUE;
/* Set the function pointers */
device->VideoInit = DUMMY_VideoInit;
device->VideoQuit = DUMMY_VideoQuit;
device->PumpEvents = DUMMY_PumpEvents;
device->CreateWindowFramebuffer = SDL_DUMMY_CreateWindowFramebuffer;
device->UpdateWindowFramebuffer = SDL_DUMMY_UpdateWindowFramebuffer;
device->DestroyWindowFramebuffer = SDL_DUMMY_DestroyWindowFramebuffer;
device->free = DUMMY_DeleteDevice;
return device;
}
static SDL_VideoDevice *DUMMY_CreateDevice(void)
{
return DUMMY_InternalCreateDevice(DUMMYVID_DRIVER_NAME);
}
VideoBootStrap DUMMY_bootstrap = {
DUMMYVID_DRIVER_NAME, "SDL dummy video driver",
DUMMY_CreateDevice
};
#ifdef SDL_INPUT_LINUXEV
static void DUMMY_EVDEV_Poll(SDL_VideoDevice *_this)
{
(void)_this;
SDL_EVDEV_Poll();
}
static SDL_VideoDevice *DUMMY_EVDEV_CreateDevice(void)
{
SDL_VideoDevice *device = DUMMY_InternalCreateDevice(DUMMYVID_DRIVER_EVDEV_NAME);
if (device) {
device->PumpEvents = DUMMY_EVDEV_Poll;
}
return device;
}
VideoBootStrap DUMMY_evdev_bootstrap = {
DUMMYVID_DRIVER_EVDEV_NAME, "SDL dummy video driver with evdev",
DUMMY_EVDEV_CreateDevice
};
#endif /* SDL_INPUT_LINUXEV */
int DUMMY_VideoInit(SDL_VideoDevice *_this)
{
SDL_DisplayMode mode;
/* Use a fake 32-bpp desktop mode */
SDL_zero(mode);
mode.format = SDL_PIXELFORMAT_XRGB8888;
mode.w = 1024;
mode.h = 768;
if (SDL_AddBasicVideoDisplay(&mode) == 0) {
return -1;
}
#ifdef SDL_INPUT_LINUXEV
SDL_EVDEV_Init();
#endif
/* We're done! */
return 0;
}
void DUMMY_VideoQuit(SDL_VideoDevice *_this)
{
#ifdef SDL_INPUT_LINUXEV
SDL_EVDEV_Quit();
#endif
}
#endif /* SDL_VIDEO_DRIVER_DUMMY */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 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"
#ifndef SDL_nullvideo_h_
#define SDL_nullvideo_h_
#include "../SDL_sysvideo.h"
#endif /* SDL_nullvideo_h_ */