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check for backend

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git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@688 b9cfdab3-6d41-4d17-bbe4-086880011989
This commit is contained in:
NishiOwO
2025-11-13 05:46:06 +00:00
parent 4df3f4658b
commit 2b7e1986a2
4 changed files with 127 additions and 80 deletions
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6
include/Mw/LowLevel.h
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@@ -24,9 +24,15 @@ typedef void* MwLLColor;
typedef void* MwLLPixmap;
#endif
enum MwLLBackends {
MwLLBackendX11 = 0,
MwLLBackendGDI
};
struct _MwLLCommon {
void* user;
int copy_buffer;
int type;
MwLLHandler handler;
};

1
src/backend/gdi.c
View File

@@ -234,6 +234,7 @@ static MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) {
RegisterClassEx(&wc);
r->common.copy_buffer = 1;
r->common.type = MwLLBackendGDI;
r->gdi.grabbed = 0;
r->gdi.hWnd = CreateWindow("milsko", "Milsko", parent == NULL ? (WS_OVERLAPPEDWINDOW) : (WS_CHILD | WS_VISIBLE), x == MwDEFAULT ? CW_USEDEFAULT : x, y == MwDEFAULT ? CW_USEDEFAULT : y, width, height, parent == NULL ? NULL : parent->gdi.hWnd, 0, wc.hInstance, NULL);

1
src/backend/x11.c
View File

@@ -191,6 +191,7 @@ static MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) {
XSetICFocus(r->x11.xic);
r->common.copy_buffer = 1;
r->common.type = MwLLBackendX11;
r->x11.width = width;
r->x11.height = height;

199
src/widget/opengl.c
View File

@@ -2,13 +2,13 @@
#include <Mw/Milsko.h>
#include <Mw/Widget/OpenGL.h>
#ifdef _WIN32
#ifdef USE_GDI
typedef HGLRC(WINAPI* MWwglCreateContext)(HDC);
typedef BOOL(WINAPI* MWwglMakeCurrent)(HDC, HGLRC);
typedef PROC(WINAPI* MWwglGetProcAddress)(LPCSTR);
typedef BOOL(WINAPI* MWwglDeleteContext)(HGLRC);
typedef struct opengl {
typedef struct gdiopengl {
HDC dc;
HGLRC gl;
@@ -18,8 +18,9 @@ typedef struct opengl {
MWwglMakeCurrent wglMakeCurrent;
MWwglDeleteContext wglDeleteContext;
MWwglGetProcAddress wglGetProcAddress;
} opengl_t;
#else
} gdiopengl_t;
#endif
#ifdef USE_X11
typedef XVisualInfo* (*MWglXChooseVisual)(Display* dpy, int screen, int* attribList);
typedef GLXContext (*MWglXCreateContext)(Display* dpy, XVisualInfo* vis, GLXContext shareList, Bool direct);
typedef void (*MWglXDestroyContext)(Display* dpy, GLXContext ctx);
@@ -27,7 +28,7 @@ typedef Bool (*MWglXMakeCurrent)(Display* dpy, GLXDrawable drawable, GLXContext
typedef void (*MWglXSwapBuffers)(Display* dpy, GLXDrawable drawable);
typedef void* (*MWglXGetProcAddress)(const GLubyte* procname);
typedef struct opengl {
typedef struct x11opengl {
XVisualInfo* visual;
GLXContext gl;
@@ -39,64 +40,71 @@ typedef struct opengl {
MWglXMakeCurrent glXMakeCurrent;
MWglXSwapBuffers glXSwapBuffers;
MWglXGetProcAddress glXGetProcAddress;
} opengl_t;
} x11opengl_t;
#endif
static int create(MwWidget handle) {
opengl_t* o = malloc(sizeof(*o));
#ifdef _WIN32
PIXELFORMATDESCRIPTOR pfd;
int pf;
void* r = NULL;
#ifdef USE_GDI
if(handle->lowlevel->common.type == MwLLBackendGDI) {
PIXELFORMATDESCRIPTOR pfd;
int pf;
gdiopengl_t* o = r = malloc(sizeof(*o));
memset(&pfd, 0, sizeof(pfd));
pfd.nSize = sizeof(pfd);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.cDepthBits = 32;
pfd.cColorBits = 32;
memset(&pfd, 0, sizeof(pfd));
pfd.nSize = sizeof(pfd);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.cDepthBits = 32;
pfd.cColorBits = 32;
o->dc = GetDC(handle->lowlevel->gdi.hWnd);
o->dc = GetDC(handle->lowlevel->gdi.hWnd);
pf = ChoosePixelFormat(o->dc, &pfd);
SetPixelFormat(o->dc, pf, &pfd);
pf = ChoosePixelFormat(o->dc, &pfd);
SetPixelFormat(o->dc, pf, &pfd);
o->lib = LoadLibrary("opengl32.dll");
o->lib = MwDynamicOpen("opengl32.dll");
o->wglCreateContext = (MWwglCreateContext)(void*)GetProcAddress(o->lib, "wglCreateContext");
o->wglMakeCurrent = (MWwglMakeCurrent)(void*)GetProcAddress(o->lib, "wglMakeCurrent");
o->wglDeleteContext = (MWwglDeleteContext)(void*)GetProcAddress(o->lib, "wglDeleteContext");
o->wglGetProcAddress = (MWwglGetProcAddress)(void*)GetProcAddress(o->lib, "wglGetProcAddress");
o->wglCreateContext = (MWwglCreateContext)(void*)MwDynamicSymbol(o->lib, "wglCreateContext");
o->wglMakeCurrent = (MWwglMakeCurrent)(void*)MwDynamicSymbol(o->lib, "wglMakeCurrent");
o->wglDeleteContext = (MWwglDeleteContext)(void*)MwDynamicSymbol(o->lib, "wglDeleteContext");
o->wglGetProcAddress = (MWwglGetProcAddress)(void*)MwDynamicSymbol(o->lib, "wglGetProcAddress");
o->gl = o->wglCreateContext(o->dc);
#else
int attribs[5];
const char* glpath[] = {
"libGL.so",
"/usr/local/lib/libGL.so",
"/usr/X11R7/lib/libGL.so",
"/usr/pkg/lib/libGL.so"};
int glincr = 0;
attribs[0] = GLX_RGBA;
attribs[1] = GLX_DOUBLEBUFFER;
attribs[2] = GLX_DEPTH_SIZE;
attribs[3] = 24;
attribs[4] = None;
while(glpath[glincr] != NULL && (o->lib = dlopen(glpath[glincr++], RTLD_LAZY)) == NULL);
o->glXChooseVisual = (MWglXChooseVisual)dlsym(o->lib, "glXChooseVisual");
o->glXCreateContext = (MWglXCreateContext)dlsym(o->lib, "glXCreateContext");
o->glXDestroyContext = (MWglXDestroyContext)dlsym(o->lib, "glXDestroyContext");
o->glXMakeCurrent = (MWglXMakeCurrent)dlsym(o->lib, "glXMakeCurrent");
o->glXSwapBuffers = (MWglXSwapBuffers)dlsym(o->lib, "glXSwapBuffers");
o->glXGetProcAddress = (MWglXGetProcAddress)dlsym(o->lib, "glXGetProcAddress");
/* XXX: fix this */
o->visual = o->glXChooseVisual(handle->lowlevel->x11.display, DefaultScreen(handle->lowlevel->x11.display), attribs);
o->gl = o->glXCreateContext(handle->lowlevel->x11.display, o->visual, NULL, GL_TRUE);
o->gl = o->wglCreateContext(o->dc);
}
#endif
handle->internal = o;
#ifdef USE_X11
if(handle->lowlevel->common.type == MwLLBackendX11) {
int attribs[5];
const char* glpath[] = {
"libGL.so",
"/usr/local/lib/libGL.so",
"/usr/X11R7/lib/libGL.so",
"/usr/pkg/lib/libGL.so"};
int glincr = 0;
x11opengl_t* o = r = malloc(sizeof(*o));
attribs[0] = GLX_RGBA;
attribs[1] = GLX_DOUBLEBUFFER;
attribs[2] = GLX_DEPTH_SIZE;
attribs[3] = 24;
attribs[4] = None;
while(glpath[glincr] != NULL && (o->lib = MwDynamicOpen(glpath[glincr++])) == NULL);
o->glXChooseVisual = (MWglXChooseVisual)MwDynamicSymbol(o->lib, "glXChooseVisual");
o->glXCreateContext = (MWglXCreateContext)MwDynamicSymbol(o->lib, "glXCreateContext");
o->glXDestroyContext = (MWglXDestroyContext)MwDynamicSymbol(o->lib, "glXDestroyContext");
o->glXMakeCurrent = (MWglXMakeCurrent)MwDynamicSymbol(o->lib, "glXMakeCurrent");
o->glXSwapBuffers = (MWglXSwapBuffers)MwDynamicSymbol(o->lib, "glXSwapBuffers");
o->glXGetProcAddress = (MWglXGetProcAddress)MwDynamicSymbol(o->lib, "glXGetProcAddress");
/* XXX: fix this */
o->visual = o->glXChooseVisual(handle->lowlevel->x11.display, DefaultScreen(handle->lowlevel->x11.display), attribs);
o->gl = o->glXCreateContext(handle->lowlevel->x11.display, o->visual, NULL, GL_TRUE);
}
#endif
handle->internal = r;
handle->lowlevel->common.copy_buffer = 0;
MwSetDefault(handle);
@@ -105,49 +113,80 @@ static int create(MwWidget handle) {
}
static void destroy(MwWidget handle) {
opengl_t* o = (opengl_t*)handle->internal;
#ifdef _WIN32
o->wglMakeCurrent(NULL, NULL);
DeleteDC(o->dc);
o->wglDeleteContext(o->gl);
#ifdef USE_GDI
if(handle->lowlevel->common.type == MwLLBackendGDI) {
gdiopengl_t* o = handle->internal;
FreeLibrary(o->lib);
#else
o->glXMakeCurrent(handle->lowlevel->x11.display, None, NULL);
o->glXDestroyContext(handle->lowlevel->x11.display, o->gl);
o->wglMakeCurrent(NULL, NULL);
DeleteDC(o->dc);
o->wglDeleteContext(o->gl);
dlclose(o->lib);
MwDynamicClose(o->lib);
}
#endif
free(o);
#ifdef USE_X11
if(handle->lowlevel->common.type == MwLLBackendX11) {
x11opengl_t* o = handle->internal;
o->glXMakeCurrent(handle->lowlevel->x11.display, None, NULL);
o->glXDestroyContext(handle->lowlevel->x11.display, o->gl);
MwDynamicClose(o->lib);
}
#endif
free(handle->internal);
}
static void mwOpenGLMakeCurrentImpl(MwWidget handle) {
opengl_t* o = (opengl_t*)handle->internal;
#ifdef _WIN32
o->wglMakeCurrent(o->dc, o->gl);
#else
o->glXMakeCurrent(handle->lowlevel->x11.display, handle->lowlevel->x11.window, o->gl);
#ifdef USE_GDI
if(handle->lowlevel->common.type == MwLLBackendGDI) {
gdiopengl_t* o = handle->internal;
o->wglMakeCurrent(o->dc, o->gl);
}
#endif
#ifdef USE_X11
if(handle->lowlevel->common.type == MwLLBackendX11) {
x11opengl_t* o = handle->internal;
o->glXMakeCurrent(handle->lowlevel->x11.display, handle->lowlevel->x11.window, o->gl);
}
#endif
}
static void mwOpenGLSwapBufferImpl(MwWidget handle) {
opengl_t* o = (opengl_t*)handle->internal;
#ifdef _WIN32
SwapBuffers(o->dc);
#else
(void)o;
#ifdef USE_GDI
if(handle->lowlevel->common.type == MwLLBackendGDI) {
gdiopengl_t* o = handle->internal;
o->glXSwapBuffers(handle->lowlevel->x11.display, handle->lowlevel->x11.window);
SwapBuffers(o->dc);
}
#endif
#ifdef USE_X11
if(handle->lowlevel->common.type == MwLLBackendX11) {
x11opengl_t* o = handle->internal;
o->glXSwapBuffers(handle->lowlevel->x11.display, handle->lowlevel->x11.window);
}
#endif
}
static void* mwOpenGLGetProcAddressImpl(MwWidget handle, const char* name) {
opengl_t* o = (opengl_t*)handle->internal;
#ifdef _WIN32
return o->wglGetProcAddress(name);
#else
return o->glXGetProcAddress((const GLubyte*)name);
#ifdef USE_GDI
if(handle->lowlevel->common.type == MwLLBackendGDI) {
gdiopengl_t* o = handle->internal;
return o->wglGetProcAddress(name);
}
#endif
#ifdef USE_X11
if(handle->lowlevel->common.type == MwLLBackendX11) {
x11opengl_t* o = handle->internal;
return o->glXGetProcAddress((const GLubyte*)name);
}
#endif
return NULL;
}
static void func_handler(MwWidget handle, const char* name, void* out, va_list va) {