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Improved the performance of sdl_blit_ex(), closes #1995.

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OBattler
2022-01-18 01:55:05 +01:00
parent 939a701836
commit 69f572395b
1 changed files with 3 additions and 1 deletions
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4
src/win/win_sdl.c
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@@ -274,6 +274,7 @@ sdl_blit_ex(int x, int y, int w, int h)
SDL_Rect r_src;
void *pixeldata;
int pitch, ret;
int row;
if (!sdl_enabled || (x < 0) || (y < 0) || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL) || (sdl_render == NULL) || (sdl_tex == NULL)) {
video_blit_complete();
@@ -284,7 +285,8 @@ sdl_blit_ex(int x, int y, int w, int h)
SDL_LockTexture(sdl_tex, 0, &pixeldata, &pitch);
video_copy(pixeldata, &(buffer32->line[y][x]), h * 2048 * sizeof(uint32_t));
for (row = 0; row < h; ++row)
video_copy(&(((uint8_t *) pixeldata)[row * 2048 * sizeof(uint32_t)]), &(buffer32->line[y + row][x]), w * sizeof(uint32_t));
if (screenshots)
video_screenshot((uint32_t *) pixeldata, 0, 0, 2048);