| Line 31... |
Line 31... |
|
|
*******************************************************************************/
|
*******************************************************************************/
|
|
|
|
|
|
|
`define MAX_VERTEX_IN_FRAME 8'd7 // WAS 8'd6
|
`define MAX_VERTEX_IN_FRAME `WIDTH'd7 // WAS 8'd6
|
`define TAG_INSTRUCTION_ADDRESS_TYPE 2'b01
|
`define TAG_INSTRUCTION_ADDRESS_TYPE 2'b01
|
`define TAG_DATA_ADDRESS_TYPE 2'b10
|
`define TAG_DATA_ADDRESS_TYPE 2'b10
|
`define SELECT_INST_MEM 3'b00
|
`define SELECT_INST_MEM 3'b00
|
`define SELECT_SCENE_MEM 3'b01
|
`define SELECT_SCENE_MEM 3'b01
|
`define SELECT_GEO_MEM 3'b10
|
`define SELECT_GEO_MEM 3'b10
|
`define SELECT_ALL_CORES `MAX_CORES'b1111 //XXX: Change for more cores
|
|
|
|
`define HOST_IDLE 0
|
`define HOST_IDLE 0
|
`define HOST_WRITE_INSTRUCTION 1
|
`define HOST_WRITE_INSTRUCTION 1
|
`define HOST_WAIT_INSTRUCTION 2
|
`define HOST_WAIT_INSTRUCTION 2
|
`define HOST_WRITE_SCENE_PARAMS 3
|
`define HOST_WRITE_SCENE_PARAMS 3
|
| Line 89... |
Line 89... |
input wire GRDY_I, //This means all the cores are done rading the primitive we send
|
input wire GRDY_I, //This means all the cores are done rading the primitive we send
|
output reg GACK_O, //We set this to ACK that the cored read the primitive
|
output reg GACK_O, //We set this to ACK that the cored read the primitive
|
output wire STDONE_O,
|
output wire STDONE_O,
|
output reg oHostDataAvailable,
|
output reg oHostDataAvailable,
|
input wire iGPUDone,
|
input wire iGPUDone,
|
|
`ifndef NO_DISPLAY_STATS
|
|
input wire [`WIDTH-1:0] iDebugWidth,
|
|
`endif
|
input wire ACK_I
|
input wire ACK_I
|
);
|
);
|
//---------------------------------------------------------------
|
//---------------------------------------------------------------
|
wire wLastPrimitive;
|
wire wLastPrimitive;
|
assign wLastPrimitive = (wVertexCount >= iPrimitiveCount) ? 1'b1 : 1'b0;
|
assign wLastPrimitive = (wVertexCount >= iPrimitiveCount) ? 1'b1 : 1'b0;
|
| Line 102... |
Line 105... |
reg rWBMEnable,rWBMReset,rCoreBroadCast;
|
reg rWBMEnable,rWBMReset,rCoreBroadCast;
|
reg [`WB_WIDTH-1:0] rInitiaReadAddr;
|
reg [`WB_WIDTH-1:0] rInitiaReadAddr;
|
wire [`MAX_CORES-1:0] wCoreSelect;
|
wire [`MAX_CORES-1:0] wCoreSelect;
|
wire wLastValidReadAddress;
|
wire wLastValidReadAddress;
|
wire [`WB_WIDTH-1:0] wWriteAddress;
|
wire [`WB_WIDTH-1:0] wWriteAddress;
|
wire [7:0] wVertexCount;
|
wire [`WIDTH-1:0] wVertexCount;
|
reg [`WB_WIDTH-1:0] rInitialWriteAddress;
|
reg [`WB_WIDTH-1:0] rInitialWriteAddress;
|
reg rSetWriteAddr;
|
reg rSetWriteAddr;
|
reg rIncCoreSelect,rResetVertexCount;
|
reg rIncCoreSelect,rResetVertexCount;
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
|
|
| Line 129... |
Line 132... |
.Initial( rInitialWriteAddress ),
|
.Initial( rInitialWriteAddress ),
|
.Q( wWriteAddress )
|
.Q( wWriteAddress )
|
);
|
);
|
|
|
|
|
UPCOUNTER_POSEDGE # (8 ) PRIMCOUNT
|
UPCOUNTER_POSEDGE # ( 32 ) PRIMCOUNT
|
(
|
(
|
.Clock( Clock ),
|
.Clock( Clock ),
|
.Reset( Reset | rResetVertexCount ),
|
.Reset( Reset | rResetVertexCount ),
|
.Enable( iEnable & wWBMDone ),
|
.Enable( iEnable & wWBMDone ),
|
.Initial( 8'b1 ), //WAS 0
|
.Initial( `WIDTH'b1 ),
|
.Q( wVertexCount )
|
.Q( wVertexCount )
|
);
|
);
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
CIRCULAR_SHIFTLEFT_POSEDGE_EX # (`MAX_CORES ) SHF1
|
CIRCULAR_SHIFTLEFT_POSEDGE_EX # (`MAX_CORES ) SHF1
|
(
|
(
|
| Line 184... |
Line 187... |
else
|
else
|
rHostCurrentState <= `HOST_IDLE;
|
rHostCurrentState <= `HOST_IDLE;
|
end
|
end
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
|
|
|
reg [63:0] i;
|
|
reg [63:0] RenderedPixels;
|
wire wLastVertexInFrame;
|
wire wLastVertexInFrame;
|
assign wLastVertexInFrame =
|
assign wLastVertexInFrame =
|
(wVertexCount % `MAX_VERTEX_IN_FRAME == 1'b0 ) ? 1'b1 : 1'b0;
|
(wVertexCount % `MAX_VERTEX_IN_FRAME == 1'b0 ) ? 1'b1 : 1'b0;
|
|
|
// WAS ((wVertexCount % `MAX_VERTEX_IN_FRAME) == 1'b0 && wVertexCount != 0) ? 1'b1 : 1'b0;
|
// WAS ((wVertexCount % `MAX_VERTEX_IN_FRAME) == 1'b0 && wVertexCount != 0) ? 1'b1 : 1'b0;
|
| Line 202... |
Line 207... |
//----------------------------------------
|
//----------------------------------------
|
//Wait for reset sequence to complete,
|
//Wait for reset sequence to complete,
|
//Or until we are enabled
|
//Or until we are enabled
|
`HOST_IDLE:
|
`HOST_IDLE:
|
begin
|
begin
|
|
RenderedPixels <= 0;
|
|
|
rWBMEnable <= 0;
|
rWBMEnable <= 0;
|
rInitiaReadAddr <= 1; //Start reading from 1, because 0 is the size
|
rInitiaReadAddr <= 1; //Start reading from 1, because 0 is the size
|
rWBMReset <= 0;
|
rWBMReset <= 0;
|
oMemSelect <= 0;
|
oMemSelect <= 0;
|
TGA_O <= 0;
|
TGA_O <= 0;
|
| Line 641... |
Line 648... |
GACK_O <= 0;
|
GACK_O <= 0;
|
//STDONE_O <= 1;
|
//STDONE_O <= 1;
|
oHostDataAvailable <= 0;
|
oHostDataAvailable <= 0;
|
|
|
|
|
|
|
if (iGPUCommitedResults)
|
if (iGPUCommitedResults)
|
|
begin
|
|
|
|
`ifndef NO_DISPLAY_STATS
|
|
for (i = 0; i < `MAX_CORES; i = i + 1)
|
|
begin
|
|
$write(".");
|
|
end
|
|
RenderedPixels = RenderedPixels + `MAX_CORES;
|
|
if ( RenderedPixels % iDebugWidth == 0)
|
|
$write("]%d\n[",RenderedPixels / iDebugWidth);
|
|
`endif
|
|
|
rHostNextState <= `HOST_PREPARE_FOR_GEO_REQUESTS;
|
rHostNextState <= `HOST_PREPARE_FOR_GEO_REQUESTS;
|
|
end
|
else
|
else
|
rHostNextState <= `HOST_LAST_PRIMITIVE_REACHED;
|
rHostNextState <= `HOST_LAST_PRIMITIVE_REACHED;
|
end
|
end
|
//----------------------------------------
|
//----------------------------------------
|
`HOST_GPU_EXECUTION_DONE:
|
`HOST_GPU_EXECUTION_DONE:
|
