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Always flush whole texture to render

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This commit is contained in:
Denis Pauk 2019-06-30 22:14:49 +03:00
parent ceb7fd03b1
commit a7199f95db
1 changed files with 34 additions and 14 deletions
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48
src/client/refresh/soft/sw_main.c
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@ -1838,6 +1838,22 @@ RE_BufferDifferenceStart(int vmin, int vmax)
return ((pixel_t*)back_buffer - swap_frames[0]) / vid.width;
}
static int
RE_BufferDifferenceEnd(int vmin, int vmax)
{
int *front_buffer, *back_buffer, *back_min;
back_buffer = (int*)(swap_frames[0] + vmax * vid.width);
front_buffer = (int*)(swap_frames[1] + vmax * vid.width);
back_min = (int*)(swap_frames[0] + vmin * vid.width);
while (back_buffer > back_min && *back_buffer == *front_buffer) {
back_buffer --;
front_buffer --;
}
return ((pixel_t*)back_buffer - swap_frames[0]) / vid.width;
}
static void
RE_CleanFrame(void)
{
@ -1863,12 +1879,13 @@ RE_FlushFrame(int vmin, int vmax)
{
int pitch;
Uint32 *pixels;
SDL_Rect copy_rect;
copy_rect.x = 0;
copy_rect.y = vmin;
copy_rect.w = vid.width;
copy_rect.h = vmax - vmin;
// flush whole buffer
if (!sw_partialflush->value)
{
vmin = 0;
vmax = vid.height;
}
if (SDL_LockTexture(texture, NULL, (void**)&pixels, &pitch))
{
@ -1878,7 +1895,7 @@ RE_FlushFrame(int vmin, int vmax)
RE_CopyFrame (pixels, pitch / sizeof(Uint32), vmin, vmax);
SDL_UnlockTexture(texture);
SDL_RenderCopy(renderer, texture, &copy_rect, &copy_rect);
SDL_RenderCopy(renderer, texture, NULL, NULL);
SDL_RenderPresent(renderer);
// replace use next buffer
@ -1895,20 +1912,23 @@ RE_FlushFrame(int vmin, int vmax)
static void
RE_EndFrame (void)
{
int vmin;
int vmin, vmax;
vmin = RE_BufferDifferenceStart(0, vid.height);
if (vmin >= vid.height)
// +1 for fully cover line with changes
vmax = RE_BufferDifferenceEnd(vmin, vid.height) + 1;
if (vmax > vid.height)
{
vmax = vid.height;
}
// no differences found
if (vmin >= vmax)
{
return;
}
// flush whole buffer
if (!sw_partialflush->value)
{
vmin = 0;
}
RE_FlushFrame(vmin, vid.height);
RE_FlushFrame(vmin, vmax);
}
/*