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.

Test app that works here

sdl2-software-renderer-states-BUG4411.c (text/plain), 1.72 KB, created by Ryan C. Gordon on 2019-06-11 18:25:38 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Ryan C. Gordon

Created: 2019-06-11 18:25:38 UTC

Size: 1.72 KB

patch

obsolete

>#include <stdio.h>
>#include "SDL.h"
>
>#define SAMPLE_BITMAP_FILENAME "c:\\Users\\icculus\\Desktop\\SDL\\test\\sample.bmp"
>
>int main(int argc, char **argv)
>{
>    SDL_Init(SDL_INIT_VIDEO);
>    SDL_SetHint(SDL_HINT_RENDER_DRIVER, "software");
>    SDL_SetHint(SDL_HINT_RENDER_BATCHING, "1");
>    SDL_Window *window = SDL_CreateWindow("test", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, 0);
>    SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, 0);
>    SDL_RendererInfo info;
>    SDL_GetRendererInfo(renderer, &info);
>    SDL_SetWindowTitle(window, info.name);
>
>    SDL_Surface *surface = SDL_LoadBMP(SAMPLE_BITMAP_FILENAME);
>    SDL_Texture *img = SDL_CreateTextureFromSurface(renderer, surface);
>    SDL_FreeSurface(surface);
>
>    const int imgw = 408;
>    const int imgh = 167;
>    const SDL_FRect dstrect = { (float) (640 - imgw) / 2, (float) (480 - imgh) / 2, (float) imgw, (float) imgh };
>
>    int keep_going = 1;
>    while (keep_going) {
>        SDL_Event e;
>        while (SDL_PollEvent(&e)) {
>            if (e.type == SDL_QUIT) {
>                keep_going = 0;
>            }
>        }
>
>        SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255);
>        SDL_RenderClear(renderer);
>
>        SDL_SetTextureBlendMode(img, SDL_BLENDMODE_NONE);
>        SDL_SetTextureAlphaMod(img, 255);
>        SDL_SetTextureColorMod(img, 255, 255, 255);
>        SDL_RenderCopyExF(renderer, img, NULL, &dstrect, 45.0, NULL, SDL_FLIP_NONE);
>
>        SDL_SetTextureBlendMode(img, SDL_BLENDMODE_BLEND);
>        SDL_SetTextureAlphaMod(img, 150);
>        SDL_SetTextureColorMod(img, 255, 0, 0);
>        SDL_RenderCopyExF(renderer, img, NULL, &dstrect, -45.0, NULL, SDL_FLIP_NONE);
>
>        SDL_RenderPresent(renderer);
>    }
>
>    SDL_Quit();
>    return 0;
>}
>

Actions: View

Attachments on bug 4411: 3818

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.