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231
src/Cafe/OS/libs/gx2/GX2_Draw.cpp
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231
src/Cafe/OS/libs/gx2/GX2_Draw.cpp
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#include "Cafe/HW/Latte/ISA/RegDefines.h"
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#include "GX2.h"
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#include "Cafe/HW/Latte/Core/Latte.h"
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#include "Cafe/HW/Latte/Core/LatteDraw.h"
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#include "Cafe/HW/Latte/ISA/LatteReg.h"
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#include "Cafe/HW/Latte/Core/LattePM4.h"
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#include "Cafe/OS/common/OSCommon.h"
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#include "GX2_Command.h"
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#include "GX2_Draw.h"
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namespace GX2
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{
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void GX2SetAttribBuffer(uint32 bufferIndex, uint32 sizeInBytes, uint32 stride, void* data)
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{
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GX2ReserveCmdSpace(9);
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MPTR physicalAddress = memory_virtualToPhysical(memory_getVirtualOffsetFromPointer(data));
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// write PM4 command
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gx2WriteGather_submit(
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pm4HeaderType3(IT_SET_RESOURCE, 8),
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0x8C0 + bufferIndex * 7,
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physicalAddress,
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sizeInBytes - 1, // size
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(stride & 0xFFFF) << 11, // stride
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0, // ukn
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0, // ukn
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0, // ukn
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0xC0000000); // ukn
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}
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void GX2DrawIndexedEx(GX2PrimitiveMode2 primitiveMode, uint32 count, GX2IndexType indexType, void* indexData, uint32 baseVertex, uint32 numInstances)
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{
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GX2ReserveCmdSpace(3 + 3 + 2 + 2 + 6);
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gx2WriteGather_submit(
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// IT_SET_CTL_CONST
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pm4HeaderType3(IT_SET_CTL_CONST, 2), 0,
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baseVertex,
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// IT_SET_CONFIG_REG
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pm4HeaderType3(IT_SET_CONFIG_REG, 2), Latte::REGADDR::VGT_PRIMITIVE_TYPE - 0x2000,
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(uint32)primitiveMode,
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// IT_INDEX_TYPE
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pm4HeaderType3(IT_INDEX_TYPE, 1),
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(uint32)indexType,
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// IT_NUM_INSTANCES
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pm4HeaderType3(IT_NUM_INSTANCES, 1),
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numInstances,
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// IT_DRAW_INDEX_2
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pm4HeaderType3(IT_DRAW_INDEX_2, 5) | 0x00000001,
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-1,
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memory_virtualToPhysical(memory_getVirtualOffsetFromPointer(indexData)),
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0,
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count,
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0);
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GX2::GX2WriteGather_checkAndInsertWrapAroundMark();
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}
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void GX2DrawIndexedEx2(GX2PrimitiveMode2 primitiveMode, uint32 count, GX2IndexType indexType, void* indexData, uint32 baseVertex, uint32 numInstances, uint32 baseInstance)
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{
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GX2ReserveCmdSpace(3 + 3 + 2 + 2 + 6);
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gx2WriteGather_submit(
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// IT_SET_CTL_CONST
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pm4HeaderType3(IT_SET_CTL_CONST, 2), 0,
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baseVertex,
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// set base instance
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pm4HeaderType3(IT_SET_CTL_CONST, 2), 1,
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baseInstance,
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// IT_SET_CONFIG_REG
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pm4HeaderType3(IT_SET_CONFIG_REG, 2), Latte::REGADDR::VGT_PRIMITIVE_TYPE - 0x2000,
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(uint32)primitiveMode,
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// IT_INDEX_TYPE
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pm4HeaderType3(IT_INDEX_TYPE, 1),
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(uint32)indexType,
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// IT_NUM_INSTANCES
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pm4HeaderType3(IT_NUM_INSTANCES, 1),
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numInstances,
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// IT_DRAW_INDEX_2
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pm4HeaderType3(IT_DRAW_INDEX_2, 5) | 0x00000001,
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-1,
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memory_virtualToPhysical(memory_getVirtualOffsetFromPointer(indexData)),
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0,
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count,
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0,
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// reset base instance
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pm4HeaderType3(IT_SET_CTL_CONST, 2), 1,
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0 // baseInstance
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);
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GX2::GX2WriteGather_checkAndInsertWrapAroundMark();
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}
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void GX2DrawEx(GX2PrimitiveMode2 primitiveMode, uint32 count, uint32 baseVertex, uint32 numInstances)
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{
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GX2ReserveCmdSpace(3 + 3 + 2 + 2 + 6);
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gx2WriteGather_submit(
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// IT_SET_CTL_CONST
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pm4HeaderType3(IT_SET_CTL_CONST, 2), 0,
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baseVertex,
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// IT_SET_CONFIG_REG
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pm4HeaderType3(IT_SET_CONFIG_REG, 2), Latte::REGADDR::VGT_PRIMITIVE_TYPE - 0x2000,
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(uint32)primitiveMode,
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// IT_INDEX_TYPE
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pm4HeaderType3(IT_INDEX_TYPE, 1),
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(uint32)GX2IndexType::U32_BE,
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// IT_NUM_INSTANCES
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pm4HeaderType3(IT_NUM_INSTANCES, 1),
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numInstances,
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// IT_DRAW_INDEX_2
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pm4HeaderType3(IT_DRAW_INDEX_AUTO, 2) | 0x00000001,
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count,
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0 // DRAW_INITIATOR
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);
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GX2::GX2WriteGather_checkAndInsertWrapAroundMark();
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}
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void GX2DrawIndexedImmediateEx(GX2PrimitiveMode2 primitiveMode, uint32 count, GX2IndexType indexType, void* indexData, uint32 baseVertex, uint32 numInstances)
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{
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uint32* indexDataU32 = (uint32*)indexData;
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uint32 numIndexU32s;
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bool use32BitIndices = false;
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if (indexType == GX2IndexType::U16_BE || indexType == GX2IndexType::U16_LE)
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{
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// 16bit indices
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numIndexU32s = (count + 1) / 2;
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}
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else if (indexType == GX2IndexType::U32_BE || indexType == GX2IndexType::U32_LE)
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{
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// 32bit indices
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numIndexU32s = count;
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use32BitIndices = true;
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}
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else
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{
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cemu_assert_unimplemented();
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}
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GX2ReserveCmdSpace(3 + 3 + 3 + 2 + 2 + 6 + 3 + numIndexU32s);
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if (numIndexU32s > 0x4000 - 2)
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{
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cemuLog_log(LogType::Force, "GX2DrawIndexedImmediateEx(): Draw exceeds maximum PM4 command size. Keep index size below 16KiB minus 8 byte");
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return;
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}
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// set base vertex
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gx2WriteGather_submitU32AsBE(pm4HeaderType3(IT_SET_CTL_CONST, 2));
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gx2WriteGather_submitU32AsBE(0);
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gx2WriteGather_submitU32AsBE(baseVertex);
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// set primitive mode
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gx2WriteGather_submitU32AsBE(pm4HeaderType3(IT_SET_CONFIG_REG, 2));
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gx2WriteGather_submitU32AsBE(Latte::REGADDR::VGT_PRIMITIVE_TYPE - 0x2000);
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gx2WriteGather_submitU32AsBE((uint32)primitiveMode);
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// set index type
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gx2WriteGather_submitU32AsBE(pm4HeaderType3(IT_INDEX_TYPE, 1));
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gx2WriteGather_submitU32AsBE((uint32)indexType);
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// set number of instances
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gx2WriteGather_submitU32AsBE(pm4HeaderType3(IT_NUM_INSTANCES, 1));
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gx2WriteGather_submitU32AsBE((uint32)numInstances);
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// request indexed draw with indices embedded into command buffer
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gx2WriteGather_submitU32AsBE(pm4HeaderType3(IT_DRAW_INDEX_IMMD, 2 + numIndexU32s) | 0x00000001);
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gx2WriteGather_submitU32AsBE(count);
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gx2WriteGather_submitU32AsBE(0); // ukn
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if (use32BitIndices)
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{
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for (uint32 i = 0; i < numIndexU32s; i++)
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{
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gx2WriteGather_submitU32AsLE(indexDataU32[i]);
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}
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}
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else
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{
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for (uint32 i = 0; i < numIndexU32s; i++)
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{
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uint32 indexPair = indexDataU32[i];
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// swap index pair
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indexPair = (indexPair >> 16) | (indexPair << 16);
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gx2WriteGather_submitU32AsLE(indexPair);
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}
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}
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GX2::GX2WriteGather_checkAndInsertWrapAroundMark();
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}
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struct GX2DispatchComputeParam
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{
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/* +0x00 */ uint32be worksizeX;
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/* +0x04 */ uint32be worksizeY;
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/* +0x08 */ uint32be worksizeZ;
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};
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void GX2DispatchCompute(GX2DispatchComputeParam* dispatchParam)
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{
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GX2ReserveCmdSpace(9 + 10);
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gx2WriteGather_submit(pm4HeaderType3(IT_SET_RESOURCE, 8),
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(mmSQ_CS_DISPATCH_PARAMS - mmSQ_TEX_RESOURCE_WORD0),
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memory_virtualToPhysical(MEMPTR<GX2DispatchComputeParam>(dispatchParam).GetMPTR()),
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0xF,
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0x862000,
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1,
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0xABCD1234,
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0xABCD1234,
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0xC0000000);
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// IT_EVENT_WRITE with RST_VTX_CNT?
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// set primitive mode
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gx2WriteGather_submitU32AsBE(pm4HeaderType3(IT_SET_CONFIG_REG, 2));
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gx2WriteGather_submitU32AsBE(Latte::REGADDR::VGT_PRIMITIVE_TYPE - 0x2000);
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gx2WriteGather_submitU32AsBE(1); // mode
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// set number of instances
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gx2WriteGather_submitU32AsBE(pm4HeaderType3(IT_NUM_INSTANCES, 1));
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gx2WriteGather_submitU32AsBE(1); // numInstances
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uint32 workCount = (uint32)dispatchParam->worksizeX * (uint32)dispatchParam->worksizeY * (uint32)dispatchParam->worksizeZ;
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gx2WriteGather_submitU32AsBE(pm4HeaderType3(IT_DRAW_INDEX_AUTO, 2) | 0x00000001);
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gx2WriteGather_submitU32AsBE(workCount);
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gx2WriteGather_submitU32AsBE(0); // DRAW_INITIATOR (has source select for index generator + other unknown info)
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}
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void GX2DrawInit()
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{
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cafeExportRegister("gx2", GX2SetAttribBuffer, LogType::GX2);
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cafeExportRegister("gx2", GX2DrawIndexedEx, LogType::GX2);
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cafeExportRegister("gx2", GX2DrawIndexedEx2, LogType::GX2);
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cafeExportRegister("gx2", GX2DrawEx, LogType::GX2);
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cafeExportRegister("gx2", GX2DrawIndexedImmediateEx, LogType::GX2);
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cafeExportRegister("gx2", GX2DispatchCompute, LogType::GX2);
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}
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}
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