framebuffer.h

Go to the documentation of this file.

#pragma once
#include "texture.h"
 
typedef struct
{
    void* colorBuf;
    void* depthBuf;
    u16 width;
    u16 height;
    GPU_COLORBUF colorFmt;
    GPU_DEPTHBUF depthFmt;
    bool block32;
    u8 colorMask : 4;
    u8 depthMask : 4;
} C3D_FrameBuf;
 
// Flags for C3D_FrameBufClear
typedef enum
{
    C3D_CLEAR_COLOR = BIT(0),
    C3D_CLEAR_DEPTH = BIT(1),
    C3D_CLEAR_ALL   = C3D_CLEAR_COLOR | C3D_CLEAR_DEPTH,
} C3D_ClearBits;
 
u32 C3D_CalcColorBufSize(u32 width, u32 height, GPU_COLORBUF fmt);
u32 C3D_CalcDepthBufSize(u32 width, u32 height, GPU_DEPTHBUF fmt);
 
C3D_FrameBuf* C3D_GetFrameBuf(void);
void C3D_SetFrameBuf(C3D_FrameBuf* fb);
void C3D_FrameBufTex(C3D_FrameBuf* fb, C3D_Tex* tex, GPU_TEXFACE face, int level);
void C3D_FrameBufClear(C3D_FrameBuf* fb, C3D_ClearBits clearBits, u32 clearColor, u32 clearDepth);
void C3D_FrameBufTransfer(C3D_FrameBuf* fb, gfxScreen_t screen, gfx3dSide_t side, u32 transferFlags);
 
static inline void C3D_FrameBufAttrib(C3D_FrameBuf* fb, u16 width, u16 height, bool block32)
{
    fb->width   = width;
    fb->height  = height;
    fb->block32 = block32;
}
 
static inline void C3D_FrameBufColor(C3D_FrameBuf* fb, void* buf, GPU_COLORBUF fmt)
{
    if (buf)
    {
        fb->colorBuf  = buf;
        fb->colorFmt  = fmt;
        fb->colorMask = 0xF;
    } else
    {
        fb->colorBuf  = NULL;
        fb->colorFmt  = GPU_RB_RGBA8;
        fb->colorMask = 0;
    }
}
 
static inline void C3D_FrameBufDepth(C3D_FrameBuf* fb, void* buf, GPU_DEPTHBUF fmt)
{
    if (buf)
    {
        fb->depthBuf  = buf;
        fb->depthFmt  = fmt;
        fb->depthMask = fmt == GPU_RB_DEPTH24_STENCIL8 ? 0x3 : 0x2;
    } else
    {
        fb->depthBuf  = NULL;
        fb->depthFmt  = GPU_RB_DEPTH24;
        fb->depthMask = 0;
    }
}