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example

file_4457.txt (text/plain), 1.90 KB, created by Marcel Bakker on 2019-01-14 13:30:10 UTC

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Description:

Filename:

MIME Type:

Creator: Marcel Bakker

Created: 2019-01-14 13:30:10 UTC

Size: 1.90 KB

patch

obsolete

>/*
>    Always asserts on 2nd draw round, SDL_render_sw.c line 596: case SDL_RENDERCMD_SETCLIPRECT: SDL_assert(viewport != NULL);
>
>    setting the viewport from round 2 and on, will fix it
>*/
>#include "SDL.h"
>
>
>int SDL_main(int argc, char *argv[])
>{
>    SDL_Window* win;
>    SDL_Renderer* ren;
>    SDL_RendererInfo ren_info;
>    SDL_Event ev;
>    int quit = 0, round = 0;
>    SDL_Rect rc_clip_top_left = { 0, 0, 180, 120};
>
>    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS) != 0)
>        return 1;
>
>    SDL_SetHint( SDL_HINT_RENDER_BATCHING, "1");
>    SDL_SetHint( SDL_HINT_RENDER_DRIVER, "software");
>
>    win = SDL_CreateWindow("software renderer assert", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 360, 240, SDL_WINDOW_SHOWN);
>    if (!win)
>        return 1;
>    ren = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED);
>    if (!ren)
>        return 1;
>    SDL_GetRendererInfo(ren, &ren_info);
>    SDL_SetWindowTitle(win, ren_info.name);
>
>    while (!quit)
>    {
>        while (SDL_PollEvent(&ev)) {
>            switch (ev.type) {
>            case SDL_KEYDOWN:
>            case SDL_MOUSEBUTTONDOWN:
>                quit = 1;
>                break;
>            case SDL_WINDOWEVENT:
>                quit = (ev.window.event == SDL_WINDOWEVENT_CLOSE);
>            default:
>                break;
>            }
>        }
>        round++;
>
>        //if (round >= 2)
>        //    SDL_RenderSetViewport(ren, NULL);
>
>        SDL_SetRenderDrawColor(ren, 0, 0, 0, SDL_ALPHA_OPAQUE);
>        SDL_RenderClear(ren);
>
>        SDL_RenderSetClipRect(ren, &rc_clip_top_left);
>        SDL_SetRenderDrawColor(ren, 127, 127, 127, SDL_ALPHA_OPAQUE);
>        SDL_RenderFillRectF(ren, NULL);
>        SDL_RenderSetClipRect(ren, NULL);
>
>        SDL_RenderPresent(ren);
>        SDL_Delay(1);
>    }
>
>    SDL_DestroyRenderer(ren);
>    SDL_DestroyWindow(win);
>    SDL_Quit();
>    return 0;
>}

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Attachments on bug 4457: 3573

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.