示例#1
0
文件: gsCore.c 项目: ps2dev/gsKit
void gsKit_set_clamp(GSGLOBAL *gsGlobal, u8 Preset)
{
	u64 *p_data;
	u64 *p_store;

	if(Preset == GS_CMODE_REPEAT)
	{
		gsGlobal->Clamp->WMS = GS_CMODE_REPEAT;
		gsGlobal->Clamp->WMT = GS_CMODE_REPEAT;
	}
	else if(Preset == GS_CMODE_CLAMP)
	{
		gsGlobal->Clamp->WMS = GS_CMODE_CLAMP;
		gsGlobal->Clamp->WMT = GS_CMODE_CLAMP;
	}
	else if(Preset == GS_CMODE_REGION_CLAMP)
	{
		gsGlobal->Clamp->WMS = GS_CMODE_REGION_CLAMP;
		gsGlobal->Clamp->WMT = GS_CMODE_REGION_CLAMP;
	}
	else if(Preset == GS_CMODE_REGION_REPEAT)
	{
		gsGlobal->Clamp->WMS = GS_CMODE_REGION_REPEAT;
		gsGlobal->Clamp->WMT = GS_CMODE_REGION_REPEAT;
	}

	p_data = p_store = gsKit_heap_alloc(gsGlobal, 1, 16, GIF_AD);

	*p_data++ = GIF_TAG_AD(1);
	*p_data++ = GIF_AD;

	*p_data++ = GS_SETREG_CLAMP(gsGlobal->Clamp->WMS, gsGlobal->Clamp->WMT,
				gsGlobal->Clamp->MINU, gsGlobal->Clamp->MAXU,
				gsGlobal->Clamp->MINV, gsGlobal->Clamp->MAXV);

	*p_data++ = GS_CLAMP_1+gsGlobal->PrimContext;
}
示例#2
0
文件: gsInit.c 项目: fjtrujy/gsKit
void gsKit_init_screen(GSGLOBAL *gsGlobal)
{
    u64	*p_data;
    u64	*p_store;
    int	size = 18;

    if((gsGlobal->Dithering == GS_SETTING_ON) &&
            ((gsGlobal->PSM == GS_PSM_CT16) || (gsGlobal->PSM == GS_PSM_CT16S)))
        size = 19;

    gsKit_set_buffer_attributes(gsGlobal);

#ifdef DEBUG
    printf("Screen Mode:\n");
    printf("------------\n");
    printf("Width : %d\n", gsGlobal->Width);
    printf("Height: %d\n", gsGlobal->Height);
    printf("StartX: %d\n", gsGlobal->StartX);
    printf("StartY: %d\n", gsGlobal->StartY);
    printf("MagH  : %d\n", gsGlobal->MagH);
    printf("MagV  : %d\n", gsGlobal->MagV);
    printf("DW    : %d\n", gsGlobal->DW);
    printf("DH    : %d\n", gsGlobal->DH);
#endif

    GS_RESET();

    __asm__("sync.p; nop;");

    *GS_CSR = 0x00000000; // Clean CSR registers

    GsPutIMR(0x0000F700); // Unmasks all of the GS interrupts

    SetGsCrt(gsGlobal->Interlace, gsGlobal->Mode, gsGlobal->Field);

    gsGlobal->FirstFrame = GS_SETTING_ON;

    if(gsGlobal->ZBuffering == GS_SETTING_OFF)
    {
        gsGlobal->Test->ZTE = GS_SETTING_ON;
        gsGlobal->Test->ZTST = 1;
    }

    DIntr(); // disable interrupts

    GS_SET_PMODE(	0,		// Read Circuit 1
                    1,		// Read Circuit 2
                    0,		// Use ALP Register for Alpha Blending
                    1,		// Alpha Value of Read Circuit 2 for Output Selection
                    0,		// Blend Alpha with output of Read Circuit 2
                    0x80);		// Alpha Value = 1.0

    GS_SET_DISPFB1(	0,			// Frame Buffer Base Pointer (Address/2048)
                    gsGlobal->Width / 64,	// Buffer Width (Address/64)
                    gsGlobal->PSM,		// Pixel Storage Format
                    0,			// Upper Left X in Buffer
                    0);

    GS_SET_DISPFB2(	0,			// Frame Buffer Base Pointer (Address/2048)
                    gsGlobal->Width / 64,	// Buffer Width (Address/64)
                    gsGlobal->PSM,		// Pixel Storage Format
                    0,			// Upper Left X in Buffer
                    0);			// Upper Left Y in Buffer

    GS_SET_DISPLAY1(gsGlobal->StartX,		// X position in the display area (in VCK unit
                    gsGlobal->StartY,		// Y position in the display area (in Raster u
                    gsGlobal->MagH,			// Horizontal Magnification
                    gsGlobal->MagV,			// Vertical Magnification
                    gsGlobal->DW - 1,	// Display area width
                    gsGlobal->DH - 1);		// Display area height

    GS_SET_DISPLAY2(gsGlobal->StartX,		// X position in the display area (in VCK units)
                    gsGlobal->StartY,		// Y position in the display area (in Raster units)
                    gsGlobal->MagH,			// Horizontal Magnification
                    gsGlobal->MagV,			// Vertical Magnification
                    gsGlobal->DW - 1,	// Display area width
                    gsGlobal->DH - 1);		// Display area height

    GS_SET_BGCOLOR(	gsGlobal->BGColor->Red,		// Red
                    gsGlobal->BGColor->Green,	// Green
                    gsGlobal->BGColor->Blue);	// Blue

    EIntr(); //enable interrupts

    gsGlobal->CurrentPointer = 0; // reset vram pointer too

    // Context 1
    gsGlobal->ScreenBuffer[0] = gsKit_vram_alloc( gsGlobal, gsKit_texture_size(gsGlobal->Width, gsGlobal->Height, gsGlobal->PSM), GSKIT_ALLOC_SYSBUFFER );

    if(gsGlobal->DoubleBuffering == GS_SETTING_OFF)
    {
        gsGlobal->ScreenBuffer[1] = gsGlobal->ScreenBuffer[0];
    }
    else
        // Context 2
        gsGlobal->ScreenBuffer[1] = gsKit_vram_alloc( gsGlobal, gsKit_texture_size(gsGlobal->Width, gsGlobal->Height, gsGlobal->PSM), GSKIT_ALLOC_SYSBUFFER );


    if(gsGlobal->ZBuffering == GS_SETTING_ON)
        gsGlobal->ZBuffer = gsKit_vram_alloc( gsGlobal, gsKit_texture_size(gsGlobal->Width, gsGlobal->Height, gsGlobal->PSMZ), GSKIT_ALLOC_SYSBUFFER ); // Z Buffer

    gsGlobal->TexturePointer = gsGlobal->CurrentPointer; // first useable address for textures

    p_data = p_store = (u64 *)gsGlobal->dma_misc;

    *p_data++ = GIF_TAG( size - 1, 1, 0, 0, 0, 1 );
    *p_data++ = GIF_AD;

    *p_data++ = 1;
    *p_data++ = GS_PRMODECONT;

    *p_data++ = GS_SETREG_FRAME_1( gsGlobal->ScreenBuffer[0], gsGlobal->Width / 64, gsGlobal->PSM, 0 );
    *p_data++ = GS_FRAME_1;

    *p_data++ = GS_SETREG_XYOFFSET_1( gsGlobal->OffsetX,
                                      gsGlobal->OffsetY);
    *p_data++ = GS_XYOFFSET_1;

    *p_data++ = GS_SETREG_SCISSOR_1( 0, gsGlobal->Width - 1, 0, gsGlobal->Height - 1 );
    *p_data++ = GS_SCISSOR_1;

    *p_data++ = GS_SETREG_TEST( gsGlobal->Test->ATE, gsGlobal->Test->ATST,
                                gsGlobal->Test->AREF, gsGlobal->Test->AFAIL,
                                gsGlobal->Test->DATE, gsGlobal->Test->DATM,
                                gsGlobal->Test->ZTE, gsGlobal->Test->ZTST );

    *p_data++ = GS_TEST_1;

    *p_data++ = GS_SETREG_CLAMP(gsGlobal->Clamp->WMS, gsGlobal->Clamp->WMT,
                                gsGlobal->Clamp->MINU, gsGlobal->Clamp->MAXU,
                                gsGlobal->Clamp->MINV, gsGlobal->Clamp->MAXV);

    *p_data++ = GS_CLAMP_1;

    if(gsGlobal->ZBuffering == GS_SETTING_ON)
    {
        if((gsGlobal->PSM == GS_PSM_CT16) && (gsGlobal->PSMZ != GS_PSMZ_16))
            gsGlobal->PSMZ = GS_PSMZ_16; // seems only non-S 16-bit z depth works with this mode
        if((gsGlobal->PSM != GS_PSM_CT16) && (gsGlobal->PSMZ == GS_PSMZ_16))
            gsGlobal->PSMZ = GS_PSMZ_16S; // other depths don't seem to work with 16-bit non-S z depth

        *p_data++ = GS_SETREG_ZBUF_1( gsGlobal->ZBuffer / 8192, gsGlobal->PSMZ, 0 );
        *p_data++ = GS_ZBUF_1;
    }
    if(gsGlobal->ZBuffering == GS_SETTING_OFF)
    {
        *p_data++ = GS_SETREG_ZBUF_1( NULL, gsGlobal->PSM, 1 );
        *p_data++ = GS_ZBUF_1;
    }

    *p_data++ = GS_SETREG_COLCLAMP( 255 );
    *p_data++ = GS_COLCLAMP;

    *p_data++ = GS_SETREG_FRAME_1( gsGlobal->ScreenBuffer[1], gsGlobal->Width / 64, gsGlobal->PSM, 0 );
    *p_data++ = GS_FRAME_2;

    *p_data++ = GS_SETREG_XYOFFSET_1( gsGlobal->OffsetX,
                                      gsGlobal->OffsetY);
    *p_data++ = GS_XYOFFSET_2;

    *p_data++ = GS_SETREG_SCISSOR_1( 0, gsGlobal->Width - 1, 0, gsGlobal->Height - 1);
    *p_data++ = GS_SCISSOR_2;

    *p_data++ = GS_SETREG_TEST( gsGlobal->Test->ATE, gsGlobal->Test->ATST,
                                gsGlobal->Test->AREF, gsGlobal->Test->AFAIL,
                                gsGlobal->Test->DATE, gsGlobal->Test->DATM,
                                gsGlobal->Test->ZTE, gsGlobal->Test->ZTST );

    *p_data++ = GS_TEST_2;

    *p_data++ = GS_SETREG_CLAMP(gsGlobal->Clamp->WMS, gsGlobal->Clamp->WMT,
                                gsGlobal->Clamp->MINU, gsGlobal->Clamp->MAXU,
                                gsGlobal->Clamp->MINV, gsGlobal->Clamp->MAXV);

    *p_data++ = GS_CLAMP_2;

    if(gsGlobal->ZBuffering == GS_SETTING_ON)
    {
        *p_data++ = GS_SETREG_ZBUF_1( gsGlobal->ZBuffer / 8192, gsGlobal->PSMZ, 0 );
        *p_data++ = GS_ZBUF_2;
    }
    if(gsGlobal->ZBuffering == GS_SETTING_OFF)
    {
        *p_data++ = GS_SETREG_ZBUF_1( NULL, gsGlobal->PSM, 1 );
        *p_data++ = GS_ZBUF_2;
    }

    *p_data++ = GS_BLEND_BACK2FRONT;
    *p_data++ = GS_ALPHA_1;

    *p_data++ = GS_BLEND_BACK2FRONT;
    *p_data++ = GS_ALPHA_2;

    *p_data++ = GS_SETREG_DIMX(gsGlobal->DitherMatrix[0],gsGlobal->DitherMatrix[1],
                               gsGlobal->DitherMatrix[2],gsGlobal->DitherMatrix[3],gsGlobal->DitherMatrix[4],
                               gsGlobal->DitherMatrix[5],gsGlobal->DitherMatrix[6],gsGlobal->DitherMatrix[7],
                               gsGlobal->DitherMatrix[8],gsGlobal->DitherMatrix[9],gsGlobal->DitherMatrix[10],
                               gsGlobal->DitherMatrix[11],gsGlobal->DitherMatrix[12],gsGlobal->DitherMatrix[13],
                               gsGlobal->DitherMatrix[14],gsGlobal->DitherMatrix[15]); // 4x4 dither matrix

    *p_data++ = GS_DIMX;

    if((gsGlobal->Dithering == GS_SETTING_ON) && ((gsGlobal->PSM == GS_PSM_CT16) || (gsGlobal->PSM == GS_PSM_CT16S))) {
        *p_data++ = 1;
        *p_data++ = GS_DTHE;
    }

    dmaKit_send_ucab(DMA_CHANNEL_GIF, p_store, size);
    dmaKit_wait_fast();

    // do a single frame here to get rid whatever needs to be done during the first frame

    gsKit_clear(gsGlobal, GS_SETREG_RGBAQ(0x00,0x00,0x00,0x00,0x00)); // clear the screen

    gsKit_queue_exec(gsGlobal);

    gsKit_sync_flip(gsGlobal);

    gsKit_queue_reset(gsGlobal->Os_Queue);
}