Zbuffer.c File Reference

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

Include dependency graph for Zbuffer.c:

Go to the source code of this file.

Functions
void	GsSetDefaultZBufferEnv (GS_ZENV *zenv, u8 update_mask)
void	GsSetDefaultZBufferEnvAddress (GS_ZENV *zenv, unsigned short vram_addr, unsigned char psm)
void	GsPutZBufferEnv1 (GS_ZENV *zenv)
void	GsPutZBufferEnv2 (GS_ZENV *zenv)

Variables
QWORD	GsPrimWorkArea []

Function Documentation

GsPutZBufferEnv1()

void GsPutZBufferEnv1

(

GS_ZENV *

zenv

)

Definition at line 31 of file Zbuffer.c.

{
        QWORD *p;
        p=UNCACHED_SEG(GsPrimWorkArea);
        gs_setGIF_TAG(((GS_GIF_TAG *)&p[0]), 1,1,0,0,GS_GIF_PACKED,1,gif_rd_ad);
        gs_setR_ZBUF_1(((GS_R_ZBUF *)&p[1]), zenv->vram_addr, zenv->psm, zenv->update_mask);
 
        GsDmaSend(GsPrimWorkArea, 2);
        GsDmaWait();
}

References gif_rd_ad, GS_GIF_PACKED, gs_setGIF_TAG, gs_setR_ZBUF_1, GsDmaSend(), GsDmaWait(), GsPrimWorkArea, GS_ZENV::psm, UNCACHED_SEG, GS_ZENV::update_mask, and GS_ZENV::vram_addr.

GsPutZBufferEnv2()

void GsPutZBufferEnv2

(

GS_ZENV *

zenv

)

Definition at line 42 of file Zbuffer.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);
        gs_setR_ZBUF_2(((GS_R_ZBUF *)&p[1]), zenv->vram_addr, zenv->psm, zenv->update_mask);
 
        GsDmaSend(GsPrimWorkArea, 2);
        GsDmaWait();
}

References gif_rd_ad, GS_GIF_PACKED, gs_setGIF_TAG, gs_setR_ZBUF_2, GsDmaSend(), GsDmaWait(), GsPrimWorkArea, GS_ZENV::psm, UNCACHED_SEG, GS_ZENV::update_mask, and GS_ZENV::vram_addr.

GsSetDefaultZBufferEnv()

void GsSetDefaultZBufferEnv	(	GS_ZENV *	zenv,
		u8	update_mask
	)

Definition at line 20 of file Zbuffer.c.

{
        zenv->update_mask = update_mask;
}

References GS_ZENV::update_mask.

GsSetDefaultZBufferEnvAddress()

void GsSetDefaultZBufferEnvAddress	(	GS_ZENV *	zenv,
		unsigned short	vram_addr,
		unsigned char	psm
	)

Definition at line 25 of file Zbuffer.c.

{
        zenv->vram_addr=vram_addr;
        zenv->psm=psm;
}

References GS_ZENV::psm, and GS_ZENV::vram_addr.

Variable Documentation

GsPrimWorkArea

QWORD GsPrimWorkArea[]

extern

Definition at line 18 of file packets.c.

Referenced by GsPutZBufferEnv1(), and GsPutZBufferEnv2().