65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
#include <c3d/attribs.h>
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#include <string.h>
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#include "context.h"
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void AttrInfo_Init(C3D_AttrInfo* info)
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{
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memset(info, 0, sizeof(*info));
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info->cfg.flags[1] = 0xFFF << 16;
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}
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bool AttrInfo_AddParam(C3D_AttrInfo* info, GPU_FORMATS format, int count)
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{
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if (info->attrCount == 12) return false;
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int id = info->attrCount++;
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if (id < 8)
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info->cfg.flags[0] |= GPU_ATTRIBFMT(id, count, format);
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else
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info->cfg.flags[1] |= GPU_ATTRIBFMT(id-8, count, format);
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info->cfg.flags[1] &= ~BIT(id+16);
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info->cfg.flags[1] = (info->cfg.flags[1] &~ 0xF0000000) | (id << 28);
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info->permutation |= id << (id*4);
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return true;
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}
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bool AttrInfo_AddBuffer(C3D_AttrInfo* info, ptrdiff_t offset, ptrdiff_t stride, int attribCount, u64 permutation)
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{
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if (info->bufCount == 12) return false;
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int id = info->bufCount++;
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C3D_AttrBufCfg* buf = &info->cfg.buffers[id];
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buf->offset = offset;
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buf->flags[0] = permutation & 0xFFFFFFFF;
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buf->flags[1] = (permutation >> 32) | (stride << 16) | (attribCount << 28);
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return true;
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}
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C3D_AttrInfo* C3D_GetAttrInfo(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_AttrBuf;
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return &ctx->attrInfo;
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}
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void C3D_SetAttrInfo(C3D_AttrInfo* info)
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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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memcpy(&ctx->attrInfo, info, sizeof(*info));
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ctx->flags |= C3DiF_AttrBuf;
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}
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void C3Di_AttrInfoBind(C3D_AttrInfo* info)
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{
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GPUCMD_AddIncrementalWrites(GPUREG_ATTRIBBUFFERS_FORMAT_LOW, (u32*)&info->cfg, sizeof(C3D_AttrCfg)/sizeof(u32));
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GPUCMD_AddMaskedWrite(GPUREG_VSH_INPUTBUFFER_CONFIG, 0xB, 0xA0000000 | (info->attrCount - 1));
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GPUCMD_AddWrite(GPUREG_0242, info->attrCount - 1);
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GPUCMD_AddIncrementalWrites(GPUREG_VSH_ATTRIBUTES_PERMUTATION_LOW, (u32*)&info->permutation, 2);
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}
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