/*
==============
Render Polygon
==============
*/
void PS2Polygon::Render( void ) const {
VIFDynamicDMA.StartDirect();
/* Add the GIFTag */
VIFDynamicDMA.Add128( GS_GIFTAG_BATCH( mNumOfVerts, // NLOOP
1, // EOP
1, // PRE
GS_PRIM( PRIM_TRI_FAN, // PRIM (TRIANGLE FAN)
PRIM_IIP_GOURAUD, // GOURAUD SHADING
PRIM_TME_OFF,
PRIM_FGE_OFF,
PRIM_ABE_OFF,
PRIM_AA1_OFF,
PRIM_FST_UV,
PRIM_CTXT_CONTEXT1,
PRIM_FIX_NOFIXDDA ),
GIF_FLG_PACKED, // FLG
GS_BATCH_2( GIF_REG_RGBAQ,
GIF_REG_XYZ2 ) ) ); // BATCH
for( int i = 0; i < mNumOfVerts; i++ ) {
/* Add the colour */
VIFDynamicDMA.Add128( PACKED_RGBA( pVertColours[ i ].mR, pVertColours[ i ].mG, pVertColours[ i ].mB, pVertColours[ i ].mA ) );
/* Add the position */
VIFDynamicDMA.Add128( PACKED_XYZ2( ( int )( ( 2048.0f + mX + pVerts[ i ].x ) * 16.0f ),
( int )( ( 2048.0f + mY + pVerts[ i ].y ) * 16.0f ),
( int )mZ,
0 ) );
}
VIFDynamicDMA.EndDirect();
}
/*
=============================
Textured Quad Render Function
=============================
*/
void PS2TexQuad::Render( void ) const {
VIFDynamicDMA.StartDirect();
/* Add the GIFTag */
VIFDynamicDMA.Add128( GS_GIFTAG_BATCH( mNumOfVerts, // NLOOP
1, // EOP
1, // PRE
GS_PRIM( PRIM_TRI_STRIP, // PRIM
PRIM_IIP_FLAT,
PRIM_TME_ON,
PRIM_FGE_OFF,
PRIM_ABE_ON,
PRIM_AA1_OFF,
PRIM_FST_UV,
PRIM_CTXT_CONTEXT1,
PRIM_FIX_NOFIXDDA ),
GIF_FLG_PACKED, // FLG
GS_BATCH_3( GIF_REG_RGBAQ,
GIF_REG_UV,
GIF_REG_XYZ2 ) ) ); // BATCH
for( int i = 0; i < mNumOfVerts; i++ ) {
/* Add the colour */
VIFDynamicDMA.Add128( PACKED_RGBA( pVertColours[ i ].mR, pVertColours[ i ].mG, pVertColours[ i ].mB, pVertColours[ i ].mA ) );
/* Add UV texture coordinates */
VIFDynamicDMA.Add128( PACKED_UV( ( ( ( int )pTexVerts[ i ].x ) << 4 ), ( ( ( int )pTexVerts[ i ] .y ) << 4 ) ) );
/* Add the position */
VIFDynamicDMA.Add128( PACKED_XYZ2( ( int )( ( 2048.0f + mX + pVerts[ i ].x ) * 16.0f ),
( int )( ( 2048.0f + mY + pVerts[ i ].y ) * 16.0f ),
( int )mZ,
0 ) );
}
VIFDynamicDMA.EndDirect();
}
bool Image2D::Render()
{
Debug ("Image2D::Render called.");
if (!m_active) return true;
// Place texture in buffer (as needed)
AssetManager::GetSingleton().LoadTexture(m_texture);
// Render the "model" in the correct location
// Determine where to render the image
int left = m_x - m_width/2;
int right = m_x + m_width/2;
int top = m_y - m_height/2;
int bottom = m_y + m_height/2;
// Start DIRECT mode transfer
VIFDynamicDMA.StartDirect();
// Add the GIFTag
VIFDynamicDMA.Add128(GS_GIFTAG_BATCH( 1, // NLOOP
1, // EOP
1, // PRE
GS_PRIM(PRIM_SPRITE, //PRIM
PRIM_IIP_FLAT,
PRIM_TME_ON,
PRIM_FGE_OFF,
PRIM_ABE_ON,
PRIM_AA1_OFF,
PRIM_FST_UV,
PRIM_CTXT_CONTEXT1,
PRIM_FIX_NOFIXDDA),
GIF_FLG_PACKED, //FLG
GS_BATCH_5( GIF_REG_RGBAQ, //BATCH
GIF_REG_UV,
GIF_REG_XYZ2,
GIF_REG_UV,
GIF_REG_XYZ2)));
// Add Vertex data
VIFDynamicDMA.Add128(PACKED_RGBA(m_r, m_g, m_b, m_a));
VIFDynamicDMA.Add128(PACKED_UV(0<<4, 0<<4));
VIFDynamicDMA.Add128(PACKED_XYZ2( (left + 2048)<< 4,
(top + 2048)<< 4,
m_depth,
0));
VIFDynamicDMA.Add128(PACKED_UV((255<<4), (255<<4)));
VIFDynamicDMA.Add128(PACKED_XYZ2( (right + 2048)<< 4,
(bottom + 2048)<< 4,
m_depth,
0));
// End the direct mode
VIFDynamicDMA.EndDirect();
return true;
}
// Initialise the screen clear. With this class we clear the screen much faster than SPS2 would
// usually. This puts all of the screen clear DMA data into our static DMA buffer. This means it is
// only ever added once (very fast), and is then simply CALLed from the dynamic DMA buffer.
// Notice that instead of just using one big sprite to clear the screen we use 20 long tall strips.
// This is because the GS is optimised for polygons less than or equal to 32 pixels wide, and it
// "chokes" on ones that are larger.
void CSPS2Manager::InitScreenClear(int R, int G, int B)
{
int x0 = (2048 - (sps2UScreenGetWidth() >> 1)) << 4;
int y0 = (2048 - (sps2UScreenGetHeight() >> 1)) << 4;
//int x1 = (2048 + (sps2UScreenGetWidth() >> 1)) << 4;
int y1 = (2048 + (sps2UScreenGetHeight() >> 1)) << 4;
// Get the address of the screen clear packet so we can CALL it
// from the dynamic packet.
iScreenClear = VIFStaticDMA.GetPointer();
// Start the VIF direct mode.
VIFStaticDMA.StartDirect();
VIFStaticDMA.Add128(GS_GIFTAG_BATCH(4 + (20 * 2), 1, 0, 0,
GIF_FLG_PACKED, GS_BATCH_1(GIF_REG_A_D)));
VIFStaticDMA.Add64(TEST_SET(0, 0, 0, 0, 0, 0, 1, 1));
VIFStaticDMA.Add64(TEST_1);
VIFStaticDMA.Add64(PRIM_SET(0x6, 0, 0, 0, 0, 0, 0, 0, 0));
VIFStaticDMA.Add64(PRIM);
VIFStaticDMA.Add64(RGBAQ_SET(R, G, B, 0x80, 0x3f800000));
VIFStaticDMA.Add64(RGBAQ);
for(int i = 0; i < 20; i++)
{
VIFStaticDMA.Add64(XYZ2_SET(x0, y0, 0));
VIFStaticDMA.Add64(XYZ2);
VIFStaticDMA.Add64(XYZ2_SET(x0 + (32 << 4), y1, 0));
VIFStaticDMA.Add64(XYZ2);
x0 += (32 << 4);
}
VIFStaticDMA.Add64(TEST_SET(0, 0, 0, 0, 0, 0, 1, 3));
VIFStaticDMA.Add64(TEST_1);
VIFStaticDMA.EndDirect();
VIFStaticDMA.DMARet();
}
// Load the cube data into static DMA memory
void Cube::LoadCubeData(void)
{
// Check if data already loaded - return if it is.
// We only need the cube data loaded once.
if(Cube::iStaticAddr)return;
const int iDraw = 0;
const int iDontDraw = 1;
const float fDraw = *((float *)&iDraw);
const float fDontDraw = *((float *)&iDontDraw);
printf("Loading Cube Data\n");
// Get the address of static data that we can call to later.
Cube::iStaticAddr = VIFStaticDMA.GetPointer();
VIFStaticDMA.Add32(FLUSH); // Make sure VU1 isn't busy
VIFStaticDMA.Add32(STCYCL(1,1)); // Unpack linearly, i.e. don't skip any spaces
VIFStaticDMA.Add32(BASE(32)); // The double buffers start at VU1 address 32 (giving us 32 QW to store data that won't change)
VIFStaticDMA.Add32(OFFSET(496)); // The size of each buffer.
// The first face draws two triangle
// Next faces draw four triangles
// Five triangles needed for last face
// Some triangles are "zero" area and will be culled by GS
int iTriangles = 12;
int iVerts = iTriangles * 3;
// We want to unpack 3 quad words of misc data, and then 3QW per vertex starting at
// VU mem location 32 (we will upload the matrices to the first 16QW per frame).
VIFStaticDMA.AddUnpack(V4_32, 0, 2 + iVerts * 3, 1);
// VU32 iVerts is in position "x" LSWord of the qword
VIFStaticDMA.Add128(iVerts*3);
// Add the GIFTag VU33
VIFStaticDMA.Add128(GS_GIFTAG_BATCH( iVerts, // NLOOP
1, // EOP
1, // PRE
GS_PRIM(PRIM_TRI, // PRIM
PRIM_IIP_GOURAUD,
PRIM_TME_ON,
PRIM_FGE_OFF,
PRIM_ABE_ON,
PRIM_AA1_OFF,
PRIM_FST_STQ,
PRIM_CTXT_CONTEXT1,
PRIM_FIX_NOFIXDDA),
GIF_FLG_PACKED, // FLG
GS_BATCH_3( GIF_REG_ST,
GIF_REG_RGBAQ, // BATCH
GIF_REG_XYZ2)));
// Front face
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, 1.0f, 1.0f)); // Vert (xyzw)
// Right face
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
// Back face
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, 0)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, fDraw)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, 0)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, fDraw)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, 0)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, fDraw)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
// Left face
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
// Top face
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
// Bottom face
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
// Flush to make sure VU1 isn't doing anything.
VIFStaticDMA.Add32(FLUSH);
// Then run the microcode.
VIFStaticDMA.Add32(MSCALL(0));
// Return back to the dynamic chain (note that we aren't aligned on a QWORD boundary, but
// it doesn't matter because the packet class will sort that out for us).
VIFStaticDMA.DMARet();
}
void CSPS2Manager::DownloadVram(CDMAMem & DMAChainMem, CDMAMem & SShotMem,
int addr, int bufw, int x, int y, int w, int h)
{
// Pointer the memory for building the DMA chain
uint32 * pDmaMem32 = (uint32 *)DMAChainMem.GetUncached();
uint32 uSrcPtr = addr;
uint32 uQSize = (w*h*4)/16; // assuming 32bit framebuffer
// Setup transfer texture back to memory
pDmaMem32[0] = 0; //NOP;
pDmaMem32[1] = 0x06008000; //MSKPATH3(0x8000);
pDmaMem32[2] = 0x13000000; //FLUSHA;
pDmaMem32[3] = 0x50000006; //DIRECT(6);
// Add GifTag Data
// Get pointer to GIFTag position
uint128 * pGIFTag = (uint128 *)(pDmaMem32 + 4);
// Store the GIFTag - The Giftag for A+D mode
*pGIFTag = GS_GIFTAG_BATCH( 5, // NLOOP
1, // EOP
0, // PRE
0, // PRIM
GIF_FLG_PACKED, // FLG
GS_BATCH_1( GIF_REG_A_D)); // BATCH
// Get uint64 pointer to write the A_D data
// [0] and [1] are the GIFTag
uint64 * pDmaMem64 = (uint64 *) (pGIFTag);
pDmaMem64[2] = (BITBLTBUF_SET( uSrcPtr, bufw, 0, 0, 0, 0 ));
pDmaMem64[3] = (GIF_A_D_REG_BITBLTBUF);
pDmaMem64[4] = (TRXPOS_SET(x, y, 0, 0, 0)); // SSAX, SSAY, DSAX, DSAY, DIR
pDmaMem64[5] = (GIF_A_D_REG_TRXPOS);
pDmaMem64[6] = (TRXREG_SET(w, h)); // RRW, RRh
pDmaMem64[7] = (GIF_A_D_REG_TRXREG);
pDmaMem64[8] = (0);
pDmaMem64[9] = (GIF_A_D_REG_FINISH);
pDmaMem64[10] = (TRXDIR_SET(1)); // XDIR
pDmaMem64[11] = (GIF_A_D_REG_TRXDIR);
uint32 prev_chcr = *EE_D1_CHCR;
// *_GS_IMR fetches the current setting of interrupt mask register (imr)
// DPUT_GS_IMR() sets the current value of imr
// Mark interrupts from the FINISH Event (GS Page 154)
uint32 prev_imr = *_GS_IMR;
DPUT_GS_IMR( prev_imr | 0x0200 );
// vif1 must be available
if ((*EE_D1_CHCR & 0x0100) != 0)
{
printf("VIF1 is not available for the Screen Shot\n");
exit(-1);
}
// Enable generation of the FINISH Event (GS Page 145)
DPUT_GS_CSR( 2 );
// Disable interrupts so we don't lose our finish event
asm __volatile__ ("di");
// Make sure all cache is writen to main memory
FlushCache();
// Setup and start DMA transfer to VIF1
*EE_D1_QWC = 0x7;
*EE_D1_MADR = DMAChainMem.GetPhysicalAddr();
// DIR MOD ASP TTE TIE STR
*EE_D1_CHCR = (1<<0) | (0<<2) | (0<<4) | (0<<6) | (0<<7) | (1<<8);
// Wait till memory load is complete
asm __volatile__( " sync.l " );
// Wait till DMA is complete (STR=0)
while ( *EE_D1_CHCR & 0x0100 );
// Wait for the GS to finish loading the registers (FINISH EVENT)
//while ( ((*GS_CSR_OFF(SPS2_GS_REGISTERS_START)) & 2) == 0 );
while ( (*_GS_CSR & 2) == 0 );
// Re-enable interrupts
asm __volatile__ ("ei");
// START! The actual download to memory
// wait for VIF1-FIFO to empty and become idle
while(*EE_VIF1_STAT & 0x1f000003);
// Change the VIF1 direction to VIF1->Memory
*((volatile uint32 *) EE_VIF1_STAT) = (1<<23);
// Change direction of VIF1 FIF0 Local->Host
DPUT_GS_BUSDIR( ( uint64 ) 0x00000001 );
// Setup and start DMA transfer from VIF1
*EE_D1_QWC = uQSize;
*EE_D1_MADR = SShotMem.GetPhysicalAddr();
// DIR MOD ASP TTE TIE STR
*EE_D1_CHCR = 0 | (0<<2) | (0<<4) | (0<<6) | (0<<7) | (1<<8);
// Wait till memory load is complete
asm __volatile__( " sync.l " );
// check if DMA is complete (STR=0)
while ( *EE_D1_CHCR & 0x0100 );
// Restore CHCR and wait for it to complete
*EE_D1_CHCR = prev_chcr;
asm __volatile__( " sync.l " );
// wait for VIF1-FIFO to empty and become idle
while ( *EE_VIF1_STAT & 0x1f000003 );
// Change the VIF1 and VIF1 FIFO Direction back to normal
*((volatile uint32 *) EE_VIF1_STAT) = 0;
DPUT_GS_BUSDIR( ( uint64 ) 0 );
// restore the setting of IMR
DPUT_GS_IMR( prev_imr);
// set the FINISH event to default
//dput_gs_csr( GS_EE_CSR_FINISH_M );
DPUT_GS_CSR( 2 );
// Re-enable path3 transfers
static uint32 enable_path3[4] ALIGN_QW = {
0x06000000, //MSKPATH3(0),
0,
0,
0};
DPUT_EE_VIF1_FIFO( *( uint128 * ) enable_path3 );
// Make sure data is written to main memory
FlushCache();
}
