We are currently migrating Bugzilla to GitHub issues.
Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.
When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.

example code to reproduce the issue

WinMain.cpp (text/plain), 2.82 KB, created by Marcel Bakker on 2013-03-30 09:17:59 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Marcel Bakker

Created: 2013-03-30 09:17:59 UTC

Size: 2.82 KB

patch

obsolete

>/*
>if we close win2, then win1 gets a SDL_WINDOWEVENT_EXPOSED event, and goes into a infinite loop :
>- in function GL_CheckAllErrors, data->glGetError(), keeps returning error GL_INVALID_OPERATION
>
>SDL2.dll!GL_CheckAllErrors(const char * prefix, SDL_Renderer * renderer, const char * file, int line, const char * function)  Line 184	C
>SDL2.dll!GL_RenderFillRects(SDL_Renderer * renderer, const SDL_FRect * rects, int count)  Line 974 + 0x21 bytes	C
>SDL2.dll!SDL_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect * rects, int count)  Line 1481 + 0x14 bytes	C
>SDL2.dll!SDL_RenderFillRect(SDL_Renderer * renderer, const SDL_Rect * rect)  Line 1444 + 0xf bytes	C
>
>dev environment : win7-64 bit ultimate, Visual Studio 2010, SDL-2.0_rev_7032
>issue seen in 32 and 64 bit builds with opengl
>*/
>#include <windows.h>
>#include "SDL.h"
>
>int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
>{
>	SDL_Window *win1 = NULL, *win2 = NULL;
>	SDL_Renderer *ren1 = NULL, *ren2 = NULL, *pSelRen = NULL;
>	SDL_Event ev;
>	SDL_Rect rcPan;
>	rcPan.x = 80; rcPan.y = 20; rcPan.w = 150; rcPan.h = 100;
>
>	if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) 
>		return -1;
>	SDL_SetHint( SDL_HINT_RENDER_DRIVER, "opengl");
>//	SDL_SetHint( SDL_HINT_RENDER_DRIVER, "direct3d");
>//	SDL_SetHint( SDL_HINT_RENDER_DRIVER, "software");
>
>	win1 = SDL_CreateWindow( "win1", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 400, 200, SDL_WINDOW_SHOWN);
>	win2 = SDL_CreateWindow( "win2", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 400, 200, SDL_WINDOW_SHOWN);
>	ren1 = SDL_CreateRenderer( win1, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
>	ren2 = SDL_CreateRenderer( win2, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
>
>	while ( win1 || win2 )
>	{
>		if ( !SDL_PollEvent(&ev) )
>		{
>			SDL_Delay(10);
>		}
>		else if ( ev.type == SDL_WINDOWEVENT )
>		{
>			switch(ev.window.event)
>			{
>				case SDL_WINDOWEVENT_EXPOSED:
>					if ( win1 && ev.window.windowID == SDL_GetWindowID(win1) )
>						pSelRen = ren1;
>					else if ( win2 && ev.window.windowID == SDL_GetWindowID(win2) )
>						pSelRen = ren2;
>					else
>						break;
>					SDL_SetRenderDrawColor(pSelRen, 127, 127, 127, 255);	
>					SDL_RenderClear(pSelRen);
>					SDL_SetRenderDrawColor(pSelRen, 220, 12, 12, 255);	
>					SDL_RenderFillRect(pSelRen, &rcPan);
>					SDL_RenderPresent(pSelRen);
>					break;
>				case SDL_WINDOWEVENT_CLOSE:
>					if ( win1 && ev.window.windowID == SDL_GetWindowID(win1) )
>					{
>						SDL_DestroyRenderer(ren1);
>						SDL_DestroyWindow(win1);
>						win1 = NULL;
>					}
>					else if ( win2 && ev.window.windowID == SDL_GetWindowID(win2) )
>					{
>						SDL_DestroyRenderer(ren2);
>						SDL_DestroyWindow(win2);
>						win2 = NULL;
>					}
>					break;
>				default:
>					break;
>			}
>		}
>	}
>
>	SDL_Quit();
>	return 0;
>}

Actions: View

Attachments on bug 1775: 1084

We are currently migrating Bugzilla to GitHub issues.Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.

We are currently migrating Bugzilla to GitHub issues.
Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.
When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.