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Copy pathframebuffer.c
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100 lines (82 loc) · 3.13 KB
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#include "internal.h"
static const u8 colorFmtSizes[] = {2,1,0,0,0};
static const u8 depthFmtSizes[] = {0,0,1,2};
u32 C3D_CalcColorBufSize(u32 width, u32 height, GPU_COLORBUF fmt)
{
u32 size = width*height;
return size*(2+colorFmtSizes[fmt]);
}
u32 C3D_CalcDepthBufSize(u32 width, u32 height, GPU_DEPTHBUF fmt)
{
u32 size = width*height;
return size*(2+depthFmtSizes[fmt]);
}
C3D_FrameBuf* C3D_GetFrameBuf(void)
{
C3D_Context* ctx = C3Di_GetContext();
if (!(ctx->flags & C3DiF_Active))
return NULL;
ctx->flags |= C3DiF_FrameBuf;
return &ctx->fb;
}
void C3D_SetFrameBuf(C3D_FrameBuf* fb)
{
C3D_Context* ctx = C3Di_GetContext();
if (!(ctx->flags & C3DiF_Active))
return;
if (fb != &ctx->fb)
memcpy(&ctx->fb, fb, sizeof(*fb));
ctx->flags |= C3DiF_FrameBuf;
}
void C3D_FrameBufTex(C3D_FrameBuf* fb, C3D_Tex* tex, GPU_TEXFACE face, int level)
{
C3D_FrameBufAttrib(fb, tex->width, tex->height, false);
C3D_FrameBufColor(fb, C3D_TexGetImagePtr(tex,
C3Di_TexIs2D(tex) ? tex->data : tex->cube->data[face], level, NULL),
(GPU_COLORBUF)tex->fmt);
}
void C3Di_FrameBufBind(C3D_FrameBuf* fb)
{
u32 param[4] = { 0, 0, 0, 0 };
GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_INVALIDATE, 1);
param[0] = osConvertVirtToPhys(fb->depthBuf) >> 3;
param[1] = osConvertVirtToPhys(fb->colorBuf) >> 3;
param[2] = 0x01000000 | (((u32)(fb->height-1) & 0xFFF) << 12) | (fb->width & 0xFFF);
GPUCMD_AddIncrementalWrites(GPUREG_DEPTHBUFFER_LOC, param, 3);
GPUCMD_AddWrite(GPUREG_RENDERBUF_DIM, param[2]);
GPUCMD_AddWrite(GPUREG_DEPTHBUFFER_FORMAT, fb->depthFmt);
GPUCMD_AddWrite(GPUREG_COLORBUFFER_FORMAT, colorFmtSizes[fb->colorFmt] | ((u32)fb->colorFmt << 16));
GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_BLOCK32, fb->block32 ? 1 : 0);
// Enable or disable color/depth buffers
param[0] = param[1] = fb->colorBuf ? fb->colorMask : 0;
param[2] = param[3] = fb->depthBuf ? fb->depthMask : 0;
GPUCMD_AddIncrementalWrites(GPUREG_COLORBUFFER_READ, param, 4);
}
void C3D_FrameBufClear(C3D_FrameBuf* frameBuf, C3D_ClearBits clearBits, u32 clearColor, u32 clearDepth)
{
u32 size = (u32)frameBuf->width * frameBuf->height;
u32 cfs = colorFmtSizes[frameBuf->colorFmt];
u32 dfs = depthFmtSizes[frameBuf->depthFmt];
void* colorBufEnd = (u8*)frameBuf->colorBuf + size*(2+cfs);
void* depthBufEnd = (u8*)frameBuf->depthBuf + size*(2+dfs);
if (clearBits & C3D_CLEAR_COLOR)
{
if (clearBits & C3D_CLEAR_DEPTH)
GX_MemoryFill(
(u32*)frameBuf->colorBuf, clearColor, (u32*)colorBufEnd, BIT(0) | (cfs << 8),
(u32*)frameBuf->depthBuf, clearDepth, (u32*)depthBufEnd, BIT(0) | (dfs << 8));
else
GX_MemoryFill(
(u32*)frameBuf->colorBuf, clearColor, (u32*)colorBufEnd, BIT(0) | (cfs << 8),
NULL, 0, NULL, 0);
} else
GX_MemoryFill(
(u32*)frameBuf->depthBuf, clearDepth, (u32*)depthBufEnd, BIT(0) | (dfs << 8),
NULL, 0, NULL, 0);
}
void C3D_FrameBufTransfer(C3D_FrameBuf* frameBuf, gfxScreen_t screen, gfx3dSide_t side, u32 transferFlags)
{
u32* outputFrameBuf = (u32*)gfxGetFramebuffer(screen, side, NULL, NULL);
u32 dim = GX_BUFFER_DIM((u32)frameBuf->width, (u32)frameBuf->height);
GX_DisplayTransfer((u32*)frameBuf->colorBuf, dim, outputFrameBuf, dim, transferFlags);
}