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fix issue with back_max in RE_BufferDifferenceStart

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This commit is contained in:
Denis Pauk 2019-06-30 17:19:09 +03:00
parent 890d708085
commit ceb7fd03b1
1 changed files with 18 additions and 9 deletions
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27
src/client/refresh/soft/sw_main.c
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@ -139,6 +139,7 @@ static cvar_t *sw_overbrightbits;
cvar_t *sw_custom_particles;
cvar_t *sw_texture_filtering;
cvar_t *sw_retexturing;
static cvar_t *sw_partialflush;
cvar_t *r_drawworld;
static cvar_t *r_drawentities;
@ -198,7 +199,7 @@ zvalue_t *d_pzbuffer;
static void Draw_GetPalette (void);
static void RE_BeginFrame( float camera_separation );
static void Draw_BuildGammaTable(void);
static void RE_FlushFrame(int vmin);
static void RE_FlushFrame(int vmin, int vmax);
static void RE_CleanFrame(void);
static void RE_EndFrame(void);
static void R_DrawBeam(const entity_t *e);
@ -240,6 +241,7 @@ R_RegisterVariables (void)
sw_custom_particles = ri.Cvar_Get("sw_custom_particles", "0", CVAR_ARCHIVE);
sw_texture_filtering = ri.Cvar_Get("sw_texture_filtering", "0", CVAR_ARCHIVE);
sw_retexturing = ri.Cvar_Get("sw_retexturing", "0", CVAR_ARCHIVE);
sw_partialflush = ri.Cvar_Get("sw_partialflush", "0", CVAR_ARCHIVE);
r_mode = ri.Cvar_Get( "r_mode", "0", CVAR_ARCHIVE );
r_lefthand = ri.Cvar_Get( "hand", "0", CVAR_USERINFO | CVAR_ARCHIVE );
@ -1806,7 +1808,8 @@ RE_CopyFrame (Uint32 * pixels, int pitch, int vmin, int vmax)
{
int y,x, buffer_pos;
buffer_pos = 0;
buffer_pos = vmin * vid.width;
pixels += vmin * pitch;
for (y=vmin; y < vmax; y++)
{
for (x=0; x < vid.width; x ++)
@ -1824,9 +1827,9 @@ RE_BufferDifferenceStart(int vmin, int vmax)
{
int *front_buffer, *back_buffer, *back_max;
back_buffer = (int*)swap_frames[0] + vmin * vid.width;
front_buffer = (int*)swap_frames[1] + vmin * vid.width;
back_max = (int*)swap_frames[0] + vmax * vid.width;
back_buffer = (int*)(swap_frames[0] + vmin * vid.width);
front_buffer = (int*)(swap_frames[1] + vmin * vid.width);
back_max = (int*)(swap_frames[0] + vmax * vid.width);
while (back_buffer < back_max && *back_buffer == *front_buffer) {
back_buffer ++;
@ -1856,7 +1859,7 @@ RE_CleanFrame(void)
}
static void
RE_FlushFrame(int vmin)
RE_FlushFrame(int vmin, int vmax)
{
int pitch;
Uint32 *pixels;
@ -1865,14 +1868,14 @@ RE_FlushFrame(int vmin)
copy_rect.x = 0;
copy_rect.y = vmin;
copy_rect.w = vid.width;
copy_rect.h = vid.height - vmin;
copy_rect.h = vmax - vmin;
if (SDL_LockTexture(texture, NULL, (void**)&pixels, &pitch))
{
Com_Printf("Can't lock texture: %s\n", SDL_GetError());
return;
}
RE_CopyFrame (pixels, pitch / sizeof(Uint32), vmin, vid.height);
RE_CopyFrame (pixels, pitch / sizeof(Uint32), vmin, vmax);
SDL_UnlockTexture(texture);
SDL_RenderCopy(renderer, texture, &copy_rect, &copy_rect);
@ -1899,7 +1902,13 @@ RE_EndFrame (void)
{
return;
}
RE_FlushFrame(vmin);
// flush whole buffer
if (!sw_partialflush->value)
{
vmin = 0;
}
RE_FlushFrame(vmin, vid.height);
}
/*