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[Patch] vid.buffer

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This commit is contained in:
NepDisk 2025-10-18 16:05:01 -04:00
parent 39e17bce4b
commit 7efc3adf6f
3 changed files with 10 additions and 38 deletions
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1
src/screen.h
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@ -61,7 +61,6 @@ struct viddef_t
// screens[3] = fade screen start
// screens[4] = fade screen end, postimage tempoarary buffer
UINT8 *buffer; // invisible screens buffer
size_t rowbytes; // bytes per scanline of the VIDEO mode
INT32 width; // PIXELS per scanline
INT32 height;

35
src/sdl/i_video.cpp
View file

@ -142,8 +142,6 @@ static SDL_bool Impl_CreateWindow(SDL_bool fullscreen);
static void Impl_VideoSetupSurfaces(int width, int height);
static void Impl_SetupSoftwareBuffer(void);
static void Impl_InitOpenGL(void);
#if defined(HAVE_IMAGE)
@ -305,28 +303,6 @@ static void Impl_VideoSetupSurfaces(int width, int height)
texture = SDL_CreateTexture(renderer, sw_texture_format, SDL_TEXTUREACCESS_STREAMING, width, height);
}
static void Impl_SetupSoftwareBuffer(void)
{
// Set up game's software render buffer
size_t size;
vid.rowbytes = vid.width;
free(vid.buffer);
size = vid.rowbytes*vid.height * NUMSCREENS;
vid.buffer = static_cast<UINT8*>(malloc(size));
if (vid.buffer)
{
// Clear the buffer
// HACK: Wasn't sure where else to put this.
memset(vid.buffer, 31, size);
}
else
I_Error("%s", M_GetText("Not enough memory for video buffer\n"));
}
static SDL_Rect src_rect = { 0, 0, 0, 0 };
static SDL_bool SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen, SDL_bool reposition)
@ -380,12 +356,6 @@ static SDL_bool SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen, SDL_b
if (Impl_RenderContextReset() == SDL_FALSE)
I_Error("Couldn't create or reset rendering context");
if (vid.buffer)
{
free(vid.buffer);
vid.buffer = NULL;
}
return SDL_TRUE;
}
@ -1514,7 +1484,7 @@ boolean VID_CheckRenderer(void)
if (rendermode == render_soft)
{
Impl_SetupSoftwareBuffer();
vid.rowbytes = vid.width;
SCR_SetDrawFuncs();
}
#ifdef HWRENDER
@ -1822,9 +1792,6 @@ void I_ShutdownGraphics(void)
icoSurface = NULL;
#endif
free(vid.buffer);
vid.buffer = NULL;
rendermode = render_none;
I_OutputMsg("I_ShutdownGraphics(): ");

12
src/v_video.c
View file

@ -3882,17 +3882,23 @@ UINT8 GetColorLUTDirect(colorlookup_t *lut, UINT8 r, UINT8 g, UINT8 b)
void V_Init(void)
{
INT32 i;
UINT8 *base = vid.buffer;
const INT32 screensize = vid.rowbytes * vid.height;
for (i = 0; i < NUMSCREENS; i++)
{
if (vid.screens[i])
free(vid.screens[i]);
vid.screens[i] = NULL;
}
// start address of NUMSCREENS * width*height vidbuffers
if (base)
if (screensize > 0)
{
for (i = 0; i < NUMSCREENS; i++)
vid.screens[i] = base + i*screensize;
{
vid.screens[i] = malloc(screensize);
memset(vid.screens[i], 0, screensize);
}
}
#ifdef DEBUG