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Removed the useless double-buffering in video/video.c, improves performance and reduces RAM usage.

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This commit is contained in:
OBattler
2021-09-13 21:02:15 +02:00
parent 7163f3a4c1
commit 13dc05cfd2
5 changed files with 21 additions and 21 deletions
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10
src/win/win_opengl.c
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@@ -810,14 +810,20 @@ static void opengl_main(void* param)
static void opengl_blit(int x, int y, int y1, int y2, int w, int h)
{
if (y1 == y2 || h <= 0 || render_buffer == NULL || thread == NULL ||
int yy;
if (y1 == y2 || h <= 0 || buffer32 == NULL || thread == NULL ||
atomic_flag_test_and_set(&blit_info[write_pos].in_use))
{
video_blit_complete();
return;
}
memcpy(blit_info[write_pos].buffer, &(render_buffer->dat)[y1 * w], w * (y2 - y1) * sizeof(uint32_t));
for (yy = y1; yy < y2; yy++) {
if ((y + yy) >= 0 && (y + yy) < buffer32->h)
memcpy(blit_info[write_pos].buffer + (yy * w * 4),
&(((uint32_t *) buffer32->line[y + yy])[x]), w * 4);
}
video_blit_complete();

14
src/win/win_sdl.c
View File

@@ -234,24 +234,24 @@ sdl_blit(int x, int y, int y1, int y2, int w, int h)
SDL_Rect r_src;
int ret;
if (!sdl_enabled || (y1 == y2) || (h <= 0) || (render_buffer == NULL) || (sdl_render == NULL) || (sdl_tex == NULL)) {
if (!sdl_enabled || (y1 == y2) || (h <= 0) || (buffer32 == NULL) || (sdl_render == NULL) || (sdl_tex == NULL)) {
video_blit_complete();
return;
}
SDL_LockMutex(sdl_mutex);
r_src.x = 0;
r_src.y = y1;
r_src.x = x;
r_src.y = y;
r_src.w = w;
r_src.h = y2 - y1;
SDL_UpdateTexture(sdl_tex, &r_src, &(render_buffer->dat)[y1 * w], w * 4);
r_src.h = h;
SDL_UpdateTexture(sdl_tex, &r_src, &(buffer32->line[y][x]), (2048 + 64) * 4);
video_blit_complete();
SDL_RenderClear(sdl_render);
r_src.x = 0;
r_src.y = 0;
r_src.x = x;
r_src.y = y;
r_src.w = w;
r_src.h = h;