111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
#include "internal.h"
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#include <c3d/base.h>
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static const u8 colorFmtSizes[] = {2,1,0,0,0};
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static const u8 depthFmtSizes[] = {0,0,1,2};
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static inline u16 getColorBufFillFlag(int fmt)
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{
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if (fmt < 0) return 0;
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return BIT(0) | ((u32)colorFmtSizes[fmt] << 8);
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}
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static inline u16 getDepthBufFillFlag(int fmt)
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{
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if (fmt < 0) return 0;
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return BIT(0) | ((u32)depthFmtSizes[fmt] << 8);
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}
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static inline u32 getColorBufFormatReg(int fmt)
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{
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return (fmt << 16) | colorFmtSizes[fmt];
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}
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static inline GPU_TEXCOLOR colorFmtFromDepthFmt(int fmt)
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{
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switch (fmt)
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{
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case GPU_RB_DEPTH16:
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return GPU_RGB565;
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case GPU_RB_DEPTH24:
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return GPU_RGB8;
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case GPU_RB_DEPTH24_STENCIL8:
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return GPU_RGBA8;
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default:
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return 0;
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}
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}
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bool C3D_RenderBufInit(C3D_RenderBuf* rb, int width, int height, int colorFmt, int depthFmt)
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{
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memset(rb, 0, sizeof(*rb));
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rb->depthFmt = depthFmt;
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rb->clearColor = rb->clearDepth = 0;
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if (colorFmt < 0)
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return false;
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if (!C3D_TexInitVRAM(&rb->colorBuf, width, height, colorFmt))
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return false;
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if (depthFmt >= 0)
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{
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if (!C3D_TexInitVRAM(&rb->depthBuf, width, height, colorFmtFromDepthFmt(depthFmt)))
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{
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C3D_TexDelete(&rb->colorBuf);
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return false;
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}
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}
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return true;
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}
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void C3D_RenderBufClearAsync(C3D_RenderBuf* rb)
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{
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GX_MemoryFill(
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(u32*)rb->colorBuf.data, rb->clearColor, (u32*)((u8*)rb->colorBuf.data+rb->colorBuf.size), getColorBufFillFlag(rb->colorBuf.fmt),
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(u32*)rb->depthBuf.data, rb->clearDepth, (u32*)((u8*)rb->depthBuf.data+rb->depthBuf.size), getDepthBufFillFlag(rb->depthFmt));
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}
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void C3D_RenderBufTransferAsync(C3D_RenderBuf* rb, u32* frameBuf, u32 flags)
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{
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u32 dim = GX_BUFFER_DIM((u32)rb->colorBuf.width, (u32)rb->colorBuf.height);
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GX_DisplayTransfer((u32*)rb->colorBuf.data, dim, frameBuf, dim, flags);
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}
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void C3D_RenderBufBind(C3D_RenderBuf* rb)
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{
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C3D_Context* ctx = C3Di_GetContext();
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ctx->flags |= C3DiF_RenderBuf;
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ctx->rb = rb;
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C3D_SetViewport(0, 0, rb->colorBuf.width, rb->colorBuf.height);
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}
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void C3Di_RenderBufBind(C3D_RenderBuf* rb)
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{
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u32 param[4] = { 0, 0, 0, 0 };
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GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_INVALIDATE, 1);
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param[0] = osConvertVirtToPhys(rb->depthBuf.data) >> 3;
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param[1] = osConvertVirtToPhys(rb->colorBuf.data) >> 3;
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param[2] = 0x01000000 | (((u32)(rb->colorBuf.height-1) & 0xFFF) << 12) | (rb->colorBuf.width & 0xFFF);
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GPUCMD_AddIncrementalWrites(GPUREG_DEPTHBUFFER_LOC, param, 3);
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GPUCMD_AddWrite(GPUREG_RENDERBUF_DIM, param[2]);
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GPUCMD_AddWrite(GPUREG_DEPTHBUFFER_FORMAT, rb->depthFmt >= 0 ? rb->depthFmt : GPU_RB_DEPTH16);
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GPUCMD_AddWrite(GPUREG_COLORBUFFER_FORMAT, getColorBufFormatReg(rb->colorBuf.fmt));
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GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_BLOCK32, 0x00000000); //?
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// Enable or disable color/depth buffers
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param[0] = param[1] = rb->colorBuf.data ? 0xF : 0;
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param[2] = param[3] = rb->depthBuf.data ? 0x2 : 0;
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GPUCMD_AddIncrementalWrites(GPUREG_COLORBUFFER_READ, param, 4);
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}
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void C3D_RenderBufDelete(C3D_RenderBuf* rb)
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{
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C3D_TexDelete(&rb->colorBuf);
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C3D_TexDelete(&rb->depthBuf);
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}
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