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gdk: Add support for building with OpenGL on Xbox

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This commit is contained in:
Caleb Cornett 2022-12-19 17:22:23 -05:00 committed by Ethan Lee
parent de871dc5f7
commit 3ebfb15469
5 changed files with 93 additions and 10 deletions
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17
include/build_config/SDL_build_config_xbox.h
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@ -204,16 +204,21 @@
#define SDL_VIDEO_DRIVER_DUMMY 1
#define SDL_VIDEO_DRIVER_WINDOWS 1
/* #ifndef SDL_VIDEO_RENDER_D3D
#define SDL_VIDEO_RENDER_D3D 1
#endif*/
#if !defined(SDL_VIDEO_RENDER_D3D11) && defined(HAVE_D3D11_H)
#define SDL_VIDEO_RENDER_D3D11 1
#endif
#if !defined(SDL_VIDEO_RENDER_D3D12) && defined(HAVE_D3D12_H)
#define SDL_VIDEO_RENDER_D3D12 1
#endif
/* Enable OpenGL support */
#ifndef SDL_VIDEO_OPENGL
#define SDL_VIDEO_OPENGL 1
#endif
#ifndef SDL_VIDEO_OPENGL_WGL
#define SDL_VIDEO_OPENGL_WGL 1
#endif
#ifndef SDL_VIDEO_RENDER_OGL
#define SDL_VIDEO_RENDER_OGL 1
#endif
/* Enable system power support */
/*#define SDL_POWER_WINDOWS 1*/
#define SDL_POWER_HARDWIRED 1

35
src/video/windows/SDL_windowsopengl.c
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@ -20,7 +20,7 @@
*/
#include "SDL_internal.h"
#if SDL_VIDEO_DRIVER_WINDOWS && !defined(__XBOXONE__) && !defined(__XBOXSERIES__)
#if SDL_VIDEO_DRIVER_WINDOWS
#include "SDL_windowsvideo.h"
#include "SDL_windowsopengles.h"
@ -95,6 +95,16 @@ typedef HGLRC(APIENTRYP PFNWGLCREATECONTEXTATTRIBSARBPROC)(HDC hDC,
const int
*attribList);
#if __XBOXONE__ || __XBOXSERIES__
#define GetDC(hwnd) (HDC) hwnd
#define ReleaseDC(hwnd, hdc) 1
#define SwapBuffers _this->gl_data->wglSwapBuffers
#define DescribePixelFormat _this->gl_data->wglDescribePixelFormat
#define ChoosePixelFormat _this->gl_data->wglChoosePixelFormat
#define GetPixelFormat _this->gl_data->wglGetPixelFormat
#define SetPixelFormat _this->gl_data->wglSetPixelFormat
#endif
int WIN_GL_LoadLibrary(_THIS, const char *path)
{
void *handle;
@ -133,10 +143,31 @@ int WIN_GL_LoadLibrary(_THIS, const char *path)
SDL_LoadFunction(handle, "wglShareLists");
/* *INDENT-ON* */ /* clang-format on */
#if __XBOXONE__ || __XBOXSERIES__
_this->gl_data->wglSwapBuffers = (BOOL(WINAPI *)(HDC))
SDL_LoadFunction(handle, "wglSwapBuffers");
_this->gl_data->wglDescribePixelFormat = (int(WINAPI *)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR))
SDL_LoadFunction(handle, "wglDescribePixelFormat");
_this->gl_data->wglChoosePixelFormat = (int(WINAPI *)(HDC, const PIXELFORMATDESCRIPTOR *))
SDL_LoadFunction(handle, "wglChoosePixelFormat");
_this->gl_data->wglSetPixelFormat = (BOOL(WINAPI *)(HDC, int, const PIXELFORMATDESCRIPTOR *))
SDL_LoadFunction(handle, "wglSetPixelFormat");
_this->gl_data->wglGetPixelFormat = (int(WINAPI *)(HDC hdc))
SDL_LoadFunction(handle, "wglGetPixelFormat");
#endif
if (!_this->gl_data->wglGetProcAddress ||
!_this->gl_data->wglCreateContext ||
!_this->gl_data->wglDeleteContext ||
!_this->gl_data->wglMakeCurrent) {
!_this->gl_data->wglMakeCurrent
#if __XBOXONE__ || __XBOXSERIES__
|| !_this->gl_data->wglSwapBuffers ||
!_this->gl_data->wglDescribePixelFormat ||
!_this->gl_data->wglChoosePixelFormat ||
!_this->gl_data->wglGetPixelFormat ||
!_this->gl_data->wglSetPixelFormat
#endif
) {
return SDL_SetError("Could not retrieve OpenGL functions");
}

45
src/video/windows/SDL_windowsopengl.h
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@ -25,6 +25,38 @@
#if SDL_VIDEO_OPENGL_WGL
#if __XBOXONE__ || __XBOXSERIES__
typedef struct tagPIXELFORMATDESCRIPTOR
{
WORD nSize;
WORD nVersion;
DWORD dwFlags;
BYTE iPixelType;
BYTE cColorBits;
BYTE cRedBits;
BYTE cRedShift;
BYTE cGreenBits;
BYTE cGreenShift;
BYTE cBlueBits;
BYTE cBlueShift;
BYTE cAlphaBits;
BYTE cAlphaShift;
BYTE cAccumBits;
BYTE cAccumRedBits;
BYTE cAccumGreenBits;
BYTE cAccumBlueBits;
BYTE cAccumAlphaBits;
BYTE cDepthBits;
BYTE cStencilBits;
BYTE cAuxBuffers;
BYTE iLayerType;
BYTE bReserved;
DWORD dwLayerMask;
DWORD dwVisibleMask;
DWORD dwDamageMask;
} PIXELFORMATDESCRIPTOR, *PPIXELFORMATDESCRIPTOR, *LPPIXELFORMATDESCRIPTOR;
#endif
struct SDL_GLDriverData
{
SDL_bool HAS_WGL_ARB_pixel_format;
@ -53,6 +85,19 @@ struct SDL_GLDriverData
BOOL (WINAPI *wglGetPixelFormatAttribivARB)(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
BOOL (WINAPI *wglSwapIntervalEXT)(int interval);
int (WINAPI *wglGetSwapIntervalEXT)(void);
#if __XBOXONE__ || __XBOXSERIES__
BOOL (WINAPI *wglSwapBuffers)(HDC hdc);
int (WINAPI *wglDescribePixelFormat)(HDC hdc,
int iPixelFormat,
UINT nBytes,
LPPIXELFORMATDESCRIPTOR ppfd);
int (WINAPI *wglChoosePixelFormat)(HDC hdc,
const PIXELFORMATDESCRIPTOR *ppfd);
BOOL (WINAPI *wglSetPixelFormat)(HDC hdc,
int format,
const PIXELFORMATDESCRIPTOR *ppfd);
int (WINAPI *wglGetPixelFormat)(HDC hdc);
#endif
/* *INDENT-ON* */ /* clang-format on */
};

2
src/video/windows/SDL_windowsvideo.h
View File

@ -41,12 +41,12 @@
#include "SDL_windowsclipboard.h"
#include "SDL_windowsevents.h"
#include "SDL_windowsopengl.h"
#if !defined(__XBOXONE__) && !defined(__XBOXSERIES__)
#include "SDL_windowskeyboard.h"
#include "SDL_windowsmodes.h"
#include "SDL_windowsmouse.h"
#include "SDL_windowsopengl.h"
#include "SDL_windowsopengles.h"
#endif

4
src/video/windows/SDL_windowswindow.c
View File

@ -290,7 +290,9 @@ static int SetupWindowData(_THIS, SDL_Window *window, HWND hwnd, HWND parent, SD
data->window = window;
data->hwnd = hwnd;
data->parent = parent;
#if !defined(__XBOXONE__) && !defined(__XBOXSERIES__)
#if defined(__XBOXONE__) || defined(__XBOXSERIES__)
data->hdc = (HDC) data->hwnd;
#else
data->hdc = GetDC(hwnd);
#endif
data->hinstance = (HINSTANCE)GetWindowLongPtr(hwnd, GWLP_HINSTANCE);