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Added bgra support to SDL target

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This commit is contained in:
Magnus Norddahl 2016-06-02 20:05:08 +02:00
parent 672b80898b
commit 02a39ef457
1 changed files with 34 additions and 12 deletions
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46
src/posix/sdl/sdlvideo.cpp
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@ -28,7 +28,7 @@ class SDLFB : public DFrameBuffer
{
DECLARE_CLASS(SDLFB, DFrameBuffer)
public:
SDLFB (int width, int height, bool fullscreen, SDL_Window *oldwin);
SDLFB (int width, int height, bool bgra, bool fullscreen, SDL_Window *oldwin);
~SDLFB ();
bool Lock (bool buffer);
@ -271,7 +271,8 @@ DFrameBuffer *SDLVideo::CreateFrameBuffer (int width, int height, bool bgra, boo
{ // Reuse the old framebuffer if its attributes are the same
SDLFB *fb = static_cast<SDLFB *> (old);
if (fb->Width == width &&
fb->Height == height)
fb->Height == height &&
fb->Bgra == bgra)
{
bool fsnow = (SDL_GetWindowFlags (fb->Screen) & SDL_WINDOW_FULLSCREEN_DESKTOP) != 0;
@ -296,7 +297,7 @@ DFrameBuffer *SDLVideo::CreateFrameBuffer (int width, int height, bool bgra, boo
flashAmount = 0;
}
SDLFB *fb = new SDLFB (width, height, fullscreen, oldwin);
SDLFB *fb = new SDLFB (width, height, bgra, fullscreen, oldwin);
// If we could not create the framebuffer, try again with slightly
// different parameters in this order:
@ -350,8 +351,8 @@ void SDLVideo::SetWindowedScale (float scale)
// FrameBuffer implementation -----------------------------------------------
SDLFB::SDLFB (int width, int height, bool fullscreen, SDL_Window *oldwin)
: DFrameBuffer (width, height, false)
SDLFB::SDLFB (int width, int height, bool bgra, bool fullscreen, SDL_Window *oldwin)
: DFrameBuffer (width, height, bgra)
{
int i;
@ -494,7 +495,21 @@ void SDLFB::Update ()
pitch = Surface->pitch;
}
if (NotPaletted)
if (Bgra)
{
if (pitch == Pitch * 4)
{
memcpy(pixels, MemBuffer, Width*Height*4);
}
else
{
for (int y = 0; y < Height; ++y)
{
memcpy((BYTE *)pixels + y*pitch, MemBuffer + y*Pitch*4, Width*4);
}
}
}
else if (NotPaletted)
{
GPfx.Convert (MemBuffer, Pitch,
pixels, pitch, Width, Height,
@ -674,13 +689,20 @@ void SDLFB::ResetSDLRenderer ()
SDL_SetRenderDrawColor(Renderer, 0, 0, 0, 255);
Uint32 fmt;
switch(vid_displaybits)
if (Bgra)
{
default: fmt = SDL_PIXELFORMAT_ARGB8888; break;
case 30: fmt = SDL_PIXELFORMAT_ARGB2101010; break;
case 24: fmt = SDL_PIXELFORMAT_RGB888; break;
case 16: fmt = SDL_PIXELFORMAT_RGB565; break;
case 15: fmt = SDL_PIXELFORMAT_ARGB1555; break;
fmt = SDL_PIXELFORMAT_ARGB8888;
}
else
{
switch (vid_displaybits)
{
default: fmt = SDL_PIXELFORMAT_ARGB8888; break;
case 30: fmt = SDL_PIXELFORMAT_ARGB2101010; break;
case 24: fmt = SDL_PIXELFORMAT_RGB888; break;
case 16: fmt = SDL_PIXELFORMAT_RGB565; break;
case 15: fmt = SDL_PIXELFORMAT_ARGB1555; break;
}
}
Texture = SDL_CreateTexture (Renderer, fmt, SDL_TEXTUREACCESS_STREAMING, Width, Height);