first attempt at things

(also fix softrenderer reset)
This commit is contained in:
Arisotura
2019-04-01 02:51:31 +02:00
parent f1628b98de
commit f8751bd1fb
10 changed files with 275 additions and 62 deletions

View File

@ -1,6 +1,9 @@
// 31 march 2019
#include "uipriv_windows.hpp"
#include <GL/gl.h>
#include <GL/wglext.h>
struct uiGLContext
{
uiControl* c;
@ -11,9 +14,10 @@ struct uiGLContext
};
uiGLContext* uiGLNewContext(uiControl* c)
uiGLContext* uiGLNewContext(uiControl* c, int vermajor, int verminor)
{
uiGLContext* ctx;
BOOL res;
ctx = uiNew(uiGLContext);
@ -25,7 +29,10 @@ uiGLContext* uiGLNewContext(uiControl* c)
else
{
// windowless context
ctx->hwnd = GetDesktopWindow();
//ctx->hwnd = GetDesktopWindow();
// nope.
uiFree(ctx);
return NULL;
}
PIXELFORMATDESCRIPTOR pfd;
@ -41,15 +48,71 @@ uiGLContext* uiGLNewContext(uiControl* c)
pfd.iLayerType = PFD_MAIN_PLANE;
ctx->dc = GetDC(ctx->hwnd);
if (!ctx->dc)
{
uiFree(ctx);
return NULL;
}
int pixelformat = ChoosePixelFormat(ctx->dc, &pfd);
SetPixelFormat(ctx->dc, pixelformat, &pfd);
res = SetPixelFormat(ctx->dc, pixelformat, &pfd);
if (!res)
{
ReleaseDC(ctx->hwnd, ctx->dc);
uiFree(ctx);
return NULL;
}
ctx->rc = wglCreateContext(ctx->dc);
if (!ctx->rc)
{
ReleaseDC(ctx->hwnd, ctx->dc);
uiFree(ctx);
return NULL;
}
wglMakeCurrent(ctx->dc, ctx->rc);
if (vermajor >= 3)
{
HGLRC (*wglCreateContextAttribsARB)(HDC,HGLRC,const int*);
HGLRC rc_better = NULL;
wglCreateContextAttribsARB = (HGLRC(*)(HDC,HGLRC,const int*))wglGetProcAddress("wglCreateContextAttribsARB");
if (wglCreateContextAttribsARB)
{
int attribs[15];
int i = 0;
attribs[i++] = WGL_CONTEXT_MAJOR_VERSION_ARB;
attribs[i++] = vermajor;
attribs[i++] = WGL_CONTEXT_MINOR_VERSION_ARB;
attribs[i++] = verminor;
attribs[i] = 0;
rc_better = wglCreateContextAttribsARB(ctx->dc, NULL, attribs);
}
wglMakeCurrent(NULL, NULL);
wglDeleteContext(ctx->rc);
if (!rc_better)
{
ReleaseDC(ctx->hwnd, ctx->dc);
uiFree(ctx);
return NULL;
}
ctx->rc = rc_better;
wglMakeCurrent(ctx->dc, ctx->rc);
}
return ctx;
}
void uiGLFreeContext(uiGLContext* ctx)
{
wglMakeCurrent(NULL, NULL);
wglDeleteContext(ctx->rc);
ReleaseDC(ctx->hwnd, ctx->dc);
uiFree(ctx);