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modify libui GL support so that it will be compatible with GTK

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This commit is contained in:
Arisotura
2019-05-21 14:53:22 +02:00
parent 139c2d24ec
commit c835b24f07
7 changed files with 101 additions and 47 deletions
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33
src/libui_sdl/libui/windows/gl.cpp
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@ -1,39 +1,31 @@
// 31 march 2019
#include "uipriv_windows.hpp"
#include "area.hpp"
#include <GL/gl.h>
#include <GL/wglext.h>
struct uiGLContext
{
uiControl* c;
uiArea* a;
HWND hwnd;
HDC dc;
HGLRC rc;
unsigned int version;
};
uiGLContext* uiGLNewContext(uiControl* c, int vermajor, int verminor)
uiGLContext* createGLContext(uiArea* a, int vermajor, int verminor)
{
uiGLContext* ctx;
BOOL res;
ctx = uiNew(uiGLContext);
ctx->c = c;
if (c)
{
ctx->hwnd = (HWND)c->Handle(c); // welp
}
else
{
// windowless context
//ctx->hwnd = GetDesktopWindow();
// nope.
uiFree(ctx);
return NULL;
}
ctx->a = a;
ctx->hwnd = a->hwnd;
PIXELFORMATDESCRIPTOR pfd;
memset(&pfd, 0, sizeof(pfd));
@ -103,6 +95,7 @@ uiGLContext* uiGLNewContext(uiControl* c, int vermajor, int verminor)
return NULL;
}
ctx->version = uiGLVersion(vermajor, verminor);
ctx->rc = rc_better;
wglMakeCurrent(ctx->dc, ctx->rc);
}
@ -110,8 +103,9 @@ uiGLContext* uiGLNewContext(uiControl* c, int vermajor, int verminor)
return ctx;
}
void uiGLFreeContext(uiGLContext* ctx)
void freeGLContext(uiGLContext* ctx)
{
if (ctx == NULL) return;
wglMakeCurrent(NULL, NULL);
wglDeleteContext(ctx->rc);
ReleaseDC(ctx->hwnd, ctx->dc);
@ -130,6 +124,12 @@ void uiGLMakeContextCurrent(uiGLContext* ctx)
int res = wglMakeCurrent(ctx->dc, ctx->rc);
}
unsigned int uiGLGetVersion(uiGLContext* ctx)
{
if (ctx == NULL) return 0;
return ctx->version;
}
void *uiGLGetProcAddress(const char* proc)
{
return (void*)wglGetProcAddress(proc);
@ -137,5 +137,6 @@ void *uiGLGetProcAddress(const char* proc)
void uiGLSwapBuffers(uiGLContext* ctx)
{
if (ctx == NULL) return;
SwapBuffers(ctx->dc);
}