56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
#include "internal.h"
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C3D_FrameBuf* C3D_GetFrameBuf(void)
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{
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C3D_Context* ctx = C3Di_GetContext();
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if (!(ctx->flags & C3DiF_Active))
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return NULL;
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ctx->flags |= C3DiF_FrameBuf;
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return &ctx->fb;
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}
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void C3D_SetFrameBuf(C3D_FrameBuf* fb)
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{
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C3D_Context* ctx = C3Di_GetContext();
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if (!(ctx->flags & C3DiF_Active))
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return;
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if (fb != &ctx->fb)
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memcpy(&ctx->fb, fb, sizeof(*fb));
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ctx->flags |= C3DiF_FrameBuf;
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}
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void C3D_FrameBufTex(C3D_FrameBuf* fb, C3D_Tex* tex, GPU_TEXFACE face, int level)
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{
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C3D_FrameBufAttrib(fb, tex->width, tex->height, false);
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C3D_FrameBufColor(fb, C3D_TexGetImagePtr(tex,
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C3Di_TexIs2D(tex) ? tex->data : tex->cube->data[face], level, NULL),
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(GPU_COLORBUF)tex->fmt);
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}
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void C3Di_FrameBufBind(C3D_FrameBuf* fb)
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{
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static const u8 colorFmtSizes[] = {2,1,0,0,0};
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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(fb->depthBuf) >> 3;
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param[1] = osConvertVirtToPhys(fb->colorBuf) >> 3;
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param[2] = 0x01000000 | (((u32)(fb->height-1) & 0xFFF) << 12) | (fb->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, fb->depthFmt);
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GPUCMD_AddWrite(GPUREG_COLORBUFFER_FORMAT, colorFmtSizes[fb->colorFmt] | ((u32)fb->colorFmt << 16));
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GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_BLOCK32, fb->block32 ? 1 : 0);
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// Enable or disable color/depth buffers
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param[0] = param[1] = fb->colorBuf ? fb->colorMask : 0;
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param[2] = param[3] = fb->depthBuf ? fb->depthMask : 0;
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GPUCMD_AddIncrementalWrites(GPUREG_COLORBUFFER_READ, param, 4);
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}
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