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URL https://opencores.org/ocsvn/theia_gpu/theia_gpu/trunk

Subversion Repositories theia_gpu

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    from Rev 72 to Rev 73
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Rev 72 → Rev 73

/theia_gpu/trunk/rtl/GEO/Module_GeometryFetchFSM.v
68,6 → 68,7
`define GFSM_INC_TEXTURE_ADDRESS 39
`define GFSM_SET_NEXT_TEXTURE_ADDR 42
 
 
module GeometryFetchFSM
(
input wire Clock,
275,15 → 276,13
oRequest_TCC <= 0;
oEnable_WBM <= 0;
oEnable_WBM <= 0;
oSetAddressWBM <= 1; //*
oSetIOWriteBackAddr <= 1; //Make sure we set write back address
//IncTextureWriteAddress <= 0;
IncTextureCount <= 0;
IncTextureCoordRegrAddr <= 0;
//oRAMTextureStoreLocation <= `CREG_TEX_COLOR1;
IncTextureCoordRegrAddr <= 0;
NextState <= `GFSM_REQUEST_TEXTURE;
end
303,14 → 302,13
oSetTFUAddressOffset <= 0;
oRequest_TCC <= 0;
// $display("GFSM_REQUEST_TEXTURE: Texture Addr in Reg: %d",oAddressWBM);
oEnable_WBM <= 1; //*
//$display("GFSM_REQUEST_TEXTURE: Texture Addr in Reg: %d",oAddressWBM);
oEnable_WBM <= 1; //*
oSetAddressWBM <= 0;
//IncTextureWriteAddress <= 0;
IncTextureCount <= 0; //*
IncTextureCoordRegrAddr <= 0;
oSetIOWriteBackAddr <= 0;
//oRAMTextureStoreLocation <= `CREG_TEX_COLOR1;
NextState <= `GFSM_WAIT_FOR_TEXTURE;
end
348,7 → 346,7
//------------------------------------
`GFSM_INC_TEXTURE_ADDRESS:
begin
// $display("***** GFSM_REQUEST_NEXT_TEXTURE: Texture Addr in Reg: %d",oAddressWBM);
//$display("***** GFSM_REQUEST_NEXT_TEXTURE: Texture Addr in Reg: %d",oAddressWBM);
oNodeAddress <= 0;
oRequest_AABBIU <= 0;
oRequest_BIU <= 0;
376,7 → 374,7
`GFSM_SET_NEXT_TEXTURE_ADDR:
begin
// $display("***** GFSM_REQUEST_NEXT_TEXTURE: Texture Addr in Reg: %d",oAddressWBM);
//$display("***** GFSM_REQUEST_NEXT_TEXTURE: Texture Addr in Reg: %d",oAddressWBM);
oNodeAddress <= 0;
oRequest_AABBIU <= 0;
oRequest_BIU <= 0;
412,7 → 410,7
`GFSM_REQUEST_NEXT_TEXTURE:
begin
// $display("***** GFSM_REQUEST_NEXT_TEXTURE: Texture Addr in Reg: %d",oAddressWBM);
//$display("***** GFSM_REQUEST_NEXT_TEXTURE: Texture Addr in Reg: %d",oAddressWBM);
oNodeAddress <= 0;
oRequest_AABBIU <= 0;
oRequest_BIU <= 0;
542,6 → 540,10
NextState <= `GFSM_WAIT_FOR_ROOT_NODE_FETCH;
end
//------------------------------------------
/*
So, while we request AABBIU, we should be requesting
the info for the Next triangle as well...
*/
`GFSM_TRIGGER_AABBIU:
begin
// $display("GFSM_TRIGGER_AABBIU");
548,7 → 550,7
oNodeAddress <= 0;
oRequest_AABBIU <= 1; //*
oRequest_BIU <= 0;
oTrigger_TFU <= 0;
oTrigger_TFU <= 0; //WIP!!!!!!!!
oTrigger_TNF <= 0;
ClearTriangleCount <= 0;
IncTriangleCount <= 0;
789,7 → 791,9
if ( wTriangleCount == iNode_TriangleCount )
NextState <= `GFSM_CHECK_NEXT_BROTHER;
else
NextState <= `GFSM_TRIGGER_TRIANGLE_FETCH;
NextState <=
//`GFSM_TRIGGER_TRIANGLE_FETCH;
`GFSM_TRIGGER_BIU_REQUSET; //NEW NEW PARALLEL IO
end
//------------------------------------------
`GFSM_TRIGGER_TRIANGLE_FETCH:
869,11 → 873,15
oRequest_AABBIU <= 0;
oNodeAddress <= 0;
oRequest_BIU <= 1; //*
oTrigger_TFU <= 0;
oTrigger_TFU <=
//0;
1; ///NEW NEW NEW Jan 25 2010, try to put this to 1
oTrigger_TNF <= 0;
IncTriangleCount <= 1; //*
ClearTriangleCount <= 0;
oWBM_Addr_Selector <= `GFSM_SELECT_NULL;
oWBM_Addr_Selector <=
//`GFSM_SELECT_NULL;
`GFSM_SELECT_TFU; //NEW NEW Paralell IO
oSync <= 1;//*
oDone <= 0;
oSetTFUAddressOffset <= 0;
914,7 → 922,9
oTrigger_TFU <= 0;
oTrigger_TNF <= 0;
IncTriangleCount <= 0; //*
oWBM_Addr_Selector <= `GFSM_SELECT_NULL;
oWBM_Addr_Selector <=
//`GFSM_SELECT_NULL;
`GFSM_SELECT_TFU; //NEW NEW Paralell IO
ClearTriangleCount <= 0;
oSync <= 0;
oDone <= 0;

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