48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
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#include <c3d/buffers.h>
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#include <string.h>
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#include "context.h"
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bool C3D_IBOCreate(C3D_IBO* ibo, int capacity, int format)
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{
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if (ibo->data) return false;
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ibo->data = linearAlloc(capacity * (format+1));
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if (!ibo->data) return false;
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ibo->capacity = capacity;
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ibo->indexCount = 0;
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ibo->format = format;
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return true;
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}
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bool C3D_IBOAddData(C3D_IBO* ibo, const void* data, int indexCount)
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{
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int remaining = ibo->capacity - ibo->indexCount;
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if (remaining < indexCount) return false;
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int stride = ibo->format+1;
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memcpy((u8*)ibo->data + ibo->indexCount*stride, data, indexCount*stride);
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ibo->indexCount += indexCount;
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return true;
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}
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void C3D_IBOFlush(C3D_IBO* ibo)
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{
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int stride = ibo->format+1;
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GSPGPU_FlushDataCache(NULL, ibo->data, ibo->indexCount*stride);
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}
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void C3Di_IBOBind(C3D_IBO* ibo)
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{
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C3D_Context* ctx = C3Di_GetContext();
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u32 pa = osConvertVirtToPhys((u32)ibo->data);
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u32 offset = (pa - ctx->vboPos) &~ BIT(31);
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GPUCMD_AddSingleParam(0x000F0227, offset | (ibo->format << 31));
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}
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void C3D_IBODelete(C3D_IBO* ibo)
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{
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if (!ibo->data) return;
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linearFree(ibo->data);
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ibo->data = NULL;
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}
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