primitives.c File Reference

#include <errno.h>
#include <stdio.h>
#include <kernel.h>
#include <libgs.h>
#include "internal.h"

Include dependency graph for primitives.c:

Go to the source code of this file.

Functions
void	GsOverridePrimAttributes (s8 override, s8 iip, s8 tme, s8 fge, s8 abe, s8 aa1, s8 fst, s8 ctxt, s8 fix)
void	GsEnableDithering (u8 enable, int mode)
void	GsEnableAlphaTransparency1 (u16 enable, u16 method, u8 alpha_ref, u16 fail_method)
void	GsEnableAlphaTransparency2 (u16 enable, u16 method, u8 alpha_ref, u16 fail_method)
void	GsEnableZbuffer1 (u16 enable, u16 test_method)
void	GsEnableZbuffer2 (u16 enable, u16 test_method)
void	GsEnableAlphaBlending1 (u16 enable)
void	GsEnableAlphaBlending2 (u16 enable)

Variables
QWORD	GsPrimWorkArea []
static GS_TEST	GSGLOBAL_TEST1
static GS_TEST	GSGLOBAL_TEST2

Function Documentation

GsEnableAlphaBlending1()

void GsEnableAlphaBlending1

(

u16

enable

)

Definition at line 137 of file primitives.c.

{
        QWORD *p;
 
        p=UNCACHED_SEG(GsPrimWorkArea);
        gs_setGIF_TAG(((GS_GIF_TAG *)&p[0]), 4,1,0,0,GS_GIF_PACKED,1,gif_rd_ad);
 
        if(enable)
        {
                gs_setR_ALPHA_1(((GS_R_ALPHA *)&p[1]), 0,1,0,1,0x00); //last arg(0x00) is not used bceause of other settings
        }
        else
        {
                gs_setR_ALPHA_1(((GS_R_ALPHA *)&p[1]), 0,0,0,0,0x80);
        }
        gs_setR_PABE(((GS_R_PABE *)&p[2]), 0);
        gs_setR_FBA_1(((GS_R_FBA *)&p[3]), 0);
        gs_setR_TEXA(((GS_R_TEXA *)&p[4]), 0x80, 0, 0x00);
 
        GsDmaSend(GsPrimWorkArea, 5);
        GsDmaWait();
}

References gif_rd_ad, GS_GIF_PACKED, gs_setGIF_TAG, gs_setR_ALPHA_1, gs_setR_FBA_1, gs_setR_PABE, gs_setR_TEXA, GsDmaSend(), GsDmaWait(), GsPrimWorkArea, and UNCACHED_SEG.

Referenced by InitGraphics().

GsEnableAlphaBlending2()

void GsEnableAlphaBlending2

(

u16

enable

)

Definition at line 160 of file primitives.c.

{
        QWORD *p;
 
        p=UNCACHED_SEG(GsPrimWorkArea);
        gs_setGIF_TAG(((GS_GIF_TAG*)&p[0]), 4,1,0,0,GS_GIF_PACKED,1,gif_rd_ad);
 
        if(enable)
        {
                gs_setR_ALPHA_2(((GS_R_ALPHA*)&p[1]), 0,1,0,1,0x00); //last arg(0x00) is not used bceause of other settings
        }
        else
        {
                gs_setR_ALPHA_2(((GS_R_ALPHA *)&p[1]), 0,0,0,0,0x80);
        }
        gs_setR_PABE(((GS_R_PABE *)&p[2]), 0);
        gs_setR_FBA_2(((GS_R_FBA *)&p[3]), 0);
        gs_setR_TEXA(((GS_R_TEXA *)&p[4]), 0x80, 0, 0x00);
 
        GsDmaSend(GsPrimWorkArea, 5);
        GsDmaWait();
}

References gif_rd_ad, GS_GIF_PACKED, gs_setGIF_TAG, gs_setR_ALPHA_2, gs_setR_FBA_2, gs_setR_PABE, gs_setR_TEXA, GsDmaSend(), GsDmaWait(), GsPrimWorkArea, and UNCACHED_SEG.

Referenced by InitGraphics().

GsEnableAlphaTransparency1()

void GsEnableAlphaTransparency1	(	u16	enable,
		u16	method,
		u8	alpha_ref,
		u16	fail_method
	)

Definition at line 72 of file primitives.c.

{
        QWORD *p;
 
        p=UNCACHED_SEG(GsPrimWorkArea);
        GSGLOBAL_TEST1.atest_enable = enable;
        GSGLOBAL_TEST1.atest_method = method;
        GSGLOBAL_TEST1.atest_reference = alpha_ref;
        GSGLOBAL_TEST1.atest_fail_method = fail_method;
 
        GsSetPixelTest1(GSGLOBAL_TEST1.atest_enable, GSGLOBAL_TEST1.atest_method, GSGLOBAL_TEST1.atest_reference, GSGLOBAL_TEST1.atest_fail_method,
                                        GSGLOBAL_TEST1.datest_enable, GSGLOBAL_TEST1.datest_mode,
                                        GSGLOBAL_TEST1.ztest_enable,  GSGLOBAL_TEST1.ztest_method);
 
        // tell GS in 16bit texture 1=transparent,0=solid
        gs_setGIF_TAG(((GS_GIF_TAG *)&p[0]), 1,1,0,0,GS_GIF_PACKED,1,gif_rd_ad);
        gs_setR_TEXA(((GS_R_TEXA *)&p[1]), 0x80, 0, 0x00);
 
        GsDmaSend(GsPrimWorkArea, 2);
        GsDmaWait();
}

References GS_TEST::atest_enable, GS_TEST::atest_fail_method, GS_TEST::atest_method, GS_TEST::atest_reference, GS_TEST::datest_enable, GS_TEST::datest_mode, gif_rd_ad, GS_GIF_PACKED, gs_setGIF_TAG, gs_setR_TEXA, GsDmaSend(), GsDmaWait(), GSGLOBAL_TEST1, GsPrimWorkArea, GsSetPixelTest1(), UNCACHED_SEG, GS_TEST::ztest_enable, and GS_TEST::ztest_method.

Referenced by InitGraphics().

GsEnableAlphaTransparency2()

void GsEnableAlphaTransparency2	(	u16	enable,
		u16	method,
		u8	alpha_ref,
		u16	fail_method
	)

Definition at line 94 of file primitives.c.

{
        QWORD *p;
 
        p=UNCACHED_SEG(GsPrimWorkArea);
        GSGLOBAL_TEST2.atest_enable = enable;
        GSGLOBAL_TEST2.atest_method = method;
        GSGLOBAL_TEST2.atest_reference = alpha_ref;
        GSGLOBAL_TEST2.atest_fail_method = fail_method;
 
        GsSetPixelTest2(GSGLOBAL_TEST2.atest_enable, GSGLOBAL_TEST2.atest_method, GSGLOBAL_TEST2.atest_reference, GSGLOBAL_TEST2.atest_fail_method,
                                        GSGLOBAL_TEST2.datest_enable, GSGLOBAL_TEST2.datest_mode,
                                        GSGLOBAL_TEST2.ztest_enable,  GSGLOBAL_TEST2.ztest_method);
 
        // tell GS in 16bit texture 1=transparent,0=solid
        gs_setGIF_TAG(((GS_GIF_TAG *)&p[0]), 1,1,0,0,GS_GIF_PACKED,1,gif_rd_ad);
        gs_setR_TEXA(((GS_R_TEXA *)&p[1]), 0x80, 0, 0x00);
 
        GsDmaSend(GsPrimWorkArea, 2);
        GsDmaWait();
}

References GS_TEST::atest_enable, GS_TEST::atest_fail_method, GS_TEST::atest_method, GS_TEST::atest_reference, GS_TEST::datest_enable, GS_TEST::datest_mode, gif_rd_ad, GS_GIF_PACKED, gs_setGIF_TAG, gs_setR_TEXA, GsDmaSend(), GsDmaWait(), GSGLOBAL_TEST2, GsPrimWorkArea, GsSetPixelTest2(), UNCACHED_SEG, GS_TEST::ztest_enable, and GS_TEST::ztest_method.

Referenced by InitGraphics().

GsEnableDithering()

void GsEnableDithering	(	u8	enable,
		int	mode
	)

Definition at line 46 of file primitives.c.

{
        QWORD *p;
 
        p=UNCACHED_SEG(GsPrimWorkArea);
        if(enable)
        {
                gs_setGIF_TAG(((GS_GIF_TAG *)&p[0]), 3,1,0,0,GS_GIF_PACKED,1,gif_rd_ad);
                gs_setR_DTHE(((GS_R_DTHE *)&p[1]), 1);
                gs_setR_DIMX(((GS_R_DIMX *)&p[2]), 4,2,5,3,0,6,1,7,5,3,4,2,1,7,0,6); //thanks to:"Maximus32" on ps2dev.org
                gs_setR_COLCLAMP(((GS_R_COLCLAMP *)&p[3]), 1);
 
                GsDmaSend(GsPrimWorkArea, 4);
        }
        else
        {
                gs_setGIF_TAG(((GS_GIF_TAG *)&p[0]), 2,1,0,0,GS_GIF_PACKED,1,gif_rd_ad);
                gs_setR_DTHE(((GS_R_DTHE *)&p[1]), 0);
                gs_setR_DIMX(((GS_R_DIMX *)&p[2]), 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);
 
                GsDmaSend(GsPrimWorkArea, 3);
        }
 
        GsDmaWait();
}

References gif_rd_ad, GS_GIF_PACKED, gs_setGIF_TAG, gs_setR_COLCLAMP, gs_setR_DIMX, gs_setR_DTHE, GsDmaSend(), GsDmaWait(), GsPrimWorkArea, and UNCACHED_SEG.

GsEnableZbuffer1()

void GsEnableZbuffer1	(	u16	enable,
		u16	test_method
	)

Definition at line 116 of file primitives.c.

{
        GSGLOBAL_TEST1.ztest_enable = enable;
        GSGLOBAL_TEST1.ztest_method = test_method;
 
        GsSetPixelTest1(GSGLOBAL_TEST1.atest_enable, GSGLOBAL_TEST1.atest_method, GSGLOBAL_TEST1.atest_reference, GSGLOBAL_TEST1.atest_fail_method,
                                        GSGLOBAL_TEST1.datest_enable, GSGLOBAL_TEST1.datest_mode,
                                        GSGLOBAL_TEST1.ztest_enable,  GSGLOBAL_TEST1.ztest_method);
}

References GS_TEST::atest_enable, GS_TEST::atest_fail_method, GS_TEST::atest_method, GS_TEST::atest_reference, GS_TEST::datest_enable, GS_TEST::datest_mode, GSGLOBAL_TEST1, GsSetPixelTest1(), GS_TEST::ztest_enable, and GS_TEST::ztest_method.

GsEnableZbuffer2()

void GsEnableZbuffer2	(	u16	enable,
		u16	test_method
	)

Definition at line 126 of file primitives.c.

{
        GSGLOBAL_TEST2.ztest_enable = enable;
        GSGLOBAL_TEST2.ztest_method = test_method;
 
        GsSetPixelTest2(GSGLOBAL_TEST2.atest_enable, GSGLOBAL_TEST2.atest_method, GSGLOBAL_TEST2.atest_reference, GSGLOBAL_TEST2.atest_fail_method,
                                        GSGLOBAL_TEST2.datest_enable, GSGLOBAL_TEST2.datest_mode,
                                        GSGLOBAL_TEST2.ztest_enable,  GSGLOBAL_TEST2.ztest_method);
 
}

References GS_TEST::atest_enable, GS_TEST::atest_fail_method, GS_TEST::atest_method, GS_TEST::atest_reference, GS_TEST::datest_enable, GS_TEST::datest_mode, GSGLOBAL_TEST2, GsSetPixelTest2(), GS_TEST::ztest_enable, and GS_TEST::ztest_method.

GsOverridePrimAttributes()

void GsOverridePrimAttributes	(	s8	override,
		s8	iip,
		s8	tme,
		s8	fge,
		s8	abe,
		s8	aa1,
		s8	fst,
		s8	ctxt,
		s8	fix
	)

Definition at line 23 of file primitives.c.

{
        QWORD *p;
 
        p=UNCACHED_SEG(GsPrimWorkArea);
        gs_setGIF_TAG(((GS_GIF_TAG *)&p[0]), 2,1,0,0,GS_GIF_PACKED,1,gif_rd_ad);
 
        //override. (0 = use PRIM)(1 = use PRMODE)
        if(override)
        {
                gs_setR_PRMODECONT(((GS_R_PRMODECONT *)&p[1]), 0);
        }
        else
        {
                gs_setR_PRMODECONT(((GS_R_PRMODECONT *)&p[1]), 1);
        }
 
        gs_setR_PRMODE(((GS_R_PRMODE *)&p[2]), iip,tme,fge,abe,aa1,fst,ctxt,fix);
 
        GsDmaSend(GsPrimWorkArea, 3);
        GsDmaWait();
}

References gif_rd_ad, GS_GIF_PACKED, gs_setGIF_TAG, gs_setR_PRMODE, gs_setR_PRMODECONT, GsDmaSend(), GsDmaWait(), GsPrimWorkArea, and UNCACHED_SEG.

Referenced by InitGraphics().

Variable Documentation

GSGLOBAL_TEST1

GS_TEST GSGLOBAL_TEST1

static

Definition at line 20 of file primitives.c.

Referenced by GsEnableAlphaTransparency1(), and GsEnableZbuffer1().

GSGLOBAL_TEST2

GS_TEST GSGLOBAL_TEST2

static

Definition at line 21 of file primitives.c.

Referenced by GsEnableAlphaTransparency2(), and GsEnableZbuffer2().

GsPrimWorkArea

QWORD GsPrimWorkArea[]

extern

Definition at line 18 of file packets.c.

Referenced by GsEnableAlphaBlending1(), GsEnableAlphaBlending2(), GsEnableAlphaTransparency1(), GsEnableAlphaTransparency2(), GsEnableDithering(), and GsOverridePrimAttributes().