#include <tamtypes.h>

Include dependency graph for draw_buffers.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	texinfo_t

struct	framebuffer_t

struct	zbuffer_t

struct	texbuffer_t

struct	clutbuffer_t

Macros
#define	TEXTURE_COMPONENTS_RGB 0

#define	TEXTURE_COMPONENTS_RGBA 1

#define	TEXTURE_FUNCTION_MODULATE 0

#define	TEXTURE_FUNCTION_DECAL 1

#define	TEXTURE_FUNCTION_HIGHLIGHT 2

#define	TEXTURE_FUNCTION_HIGHLIGHT2 3

#define	CLUT_STORAGE_MODE1 0

#define	CLUT_STORAGE_MODE2 1

#define	CLUT_NO_LOAD 0

#define	CLUT_LOAD 1

#define	CLUT_LOAD_COPY_CBP0 2

#define	CLUT_LOAD_COPY_CBP1 3

#define	CLUT_COMPARE_CBP0 4

#define	CLUT_COMPARE_CBP1 5

Functions
unsigned char	draw_log2 (unsigned int x)

qword_t *	draw_framebuffer (qword_t q, int context, framebuffer_t frame)

qword_t *	draw_zbuffer (qword_t q, int context, zbuffer_t zbuffer)

qword_t *	draw_texturebuffer (qword_t q, int context, texbuffer_t texbuffer, clutbuffer_t *clut)

qword_t *	draw_clutbuffer (qword_t q, int context, int psm, clutbuffer_t clut)

qword_t *	draw_clut_offset (qword_t *q, int cbw, int u, int v)

Detailed Description

Draw library buffer functions

Definition in file draw_buffers.h.

Macro Definition Documentation

◆ CLUT_COMPARE_CBP0

#define CLUT_COMPARE_CBP0 4

Definition at line 30 of file draw_buffers.h.

◆ CLUT_COMPARE_CBP1

#define CLUT_COMPARE_CBP1 5

Definition at line 31 of file draw_buffers.h.

◆ CLUT_LOAD

#define CLUT_LOAD 1

Definition at line 27 of file draw_buffers.h.

◆ CLUT_LOAD_COPY_CBP0

#define CLUT_LOAD_COPY_CBP0 2

Definition at line 28 of file draw_buffers.h.

◆ CLUT_LOAD_COPY_CBP1

#define CLUT_LOAD_COPY_CBP1 3

Definition at line 29 of file draw_buffers.h.

◆ CLUT_NO_LOAD

#define CLUT_NO_LOAD 0

CLUT Load Control

Definition at line 26 of file draw_buffers.h.

◆ CLUT_STORAGE_MODE1

#define CLUT_STORAGE_MODE1 0

CLUT Storage Mode

Definition at line 22 of file draw_buffers.h.

◆ CLUT_STORAGE_MODE2

#define CLUT_STORAGE_MODE2 1

Definition at line 23 of file draw_buffers.h.

◆ TEXTURE_COMPONENTS_RGB

#define TEXTURE_COMPONENTS_RGB 0

Texture Color Components

Definition at line 12 of file draw_buffers.h.

◆ TEXTURE_COMPONENTS_RGBA

#define TEXTURE_COMPONENTS_RGBA 1

Definition at line 13 of file draw_buffers.h.

◆ TEXTURE_FUNCTION_DECAL

#define TEXTURE_FUNCTION_DECAL 1

Definition at line 17 of file draw_buffers.h.

◆ TEXTURE_FUNCTION_HIGHLIGHT

#define TEXTURE_FUNCTION_HIGHLIGHT 2

Definition at line 18 of file draw_buffers.h.

◆ TEXTURE_FUNCTION_HIGHLIGHT2

#define TEXTURE_FUNCTION_HIGHLIGHT2 3

Definition at line 19 of file draw_buffers.h.

◆ TEXTURE_FUNCTION_MODULATE

#define TEXTURE_FUNCTION_MODULATE 0

Texture Function

Definition at line 16 of file draw_buffers.h.

Function Documentation

◆ draw_clut_offset()

qword_t* draw_clut_offset	(	qword_t *	q,
		int	cbw,
		int	u,
		int	v
	)

CLUT Storage Mode 2 Information

Definition at line 95 of file draw_environment.c.

 {
  
         PACK_GIFTAG(q, GIF_SET_TAG(1,0,0,0,GIF_FLG_PACKED,1), GIF_REG_AD);
         q++;
  
         PACK_GIFTAG(q, GS_SET_TEXCLUT(cbw,u,v), GS_REG_TEXCLUT);
         q++;
  
         return q;
  
 }

References GIF_FLG_PACKED, GIF_REG_AD, GIF_SET_TAG, GS_REG_TEXCLUT, GS_SET_TEXCLUT, and PACK_GIFTAG.

◆ draw_clutbuffer()

qword_t* draw_clutbuffer	(	qword_t *	q,
		int	context,
		int	psm,
		clutbuffer_t *	clut
	)

CLUT Storage Mode 1 Information

Definition at line 77 of file draw_environment.c.

 {
  
         if (clut->storage_mode == CLUT_STORAGE_MODE2)
         {
                 clut->start = 0;
         }
  
         PACK_GIFTAG(q, GIF_SET_TAG(1,0,0,0,GIF_FLG_PACKED,1), GIF_REG_AD);
         q++;
  
         PACK_GIFTAG(q, GS_SET_TEX2(psm,clut->address>>6,clut->psm,clut->storage_mode,clut->start,clut->load_method), GS_REG_TEX2 + context);
         q++;
  
         return q;
  
 }

References clutbuffer_t::address, clut, CLUT_STORAGE_MODE2, context, GIF_FLG_PACKED, GIF_REG_AD, GIF_SET_TAG, GS_REG_TEX2, GS_SET_TEX2, clutbuffer_t::load_method, PACK_GIFTAG, clutbuffer_t::psm, clutbuffer_t::start, and clutbuffer_t::storage_mode.

◆ draw_framebuffer()

qword_t* draw_framebuffer	(	qword_t *	q,
		int	context,
		framebuffer_t *	frame
	)

Framebuffer Attributes

Definition at line 33 of file draw_environment.c.

 {
  
         PACK_GIFTAG(q, GIF_SET_TAG(1,0,0,0,GIF_FLG_PACKED,1), GIF_REG_AD);
         q++;
         PACK_GIFTAG(q, GS_SET_FRAME(frame->address>>11,frame->width>>6,frame->psm,frame->mask), GS_REG_FRAME + context);
         q++;
  
         return q;
  
 }

References framebuffer_t::address, context, GIF_FLG_PACKED, GIF_REG_AD, GIF_SET_TAG, GS_REG_FRAME, GS_SET_FRAME, framebuffer_t::mask, PACK_GIFTAG, framebuffer_t::psm, and framebuffer_t::width.

Referenced by flip_buffers().

◆ draw_log2()

unsigned char draw_log2 ( unsigned int x )

Returns the power of 2 needed for texture width and height

Definition at line 348 of file draw.c.

 {
  
         unsigned char res;
  
         __asm__ __volatile__ ("plzcw %0, %1\n\t" : "=r" (res) : "r" (x));
  
         res = 31 - (res + 1);
         res += (x > (1<<res) ? 1 : 0);
  
         return res;
 }

References x.

Referenced by InitCB(), run_demo(), set_lod_clut_prim_tex_buff(), and setup_texture().

◆ draw_texturebuffer()

qword_t* draw_texturebuffer	(	qword_t *	q,
		int	context,
		texbuffer_t *	texbuffer,
		clutbuffer_t *	clut
	)

TextureBuffer Attributes

Definition at line 57 of file draw_environment.c.

 {
  
         if(clut->storage_mode == CLUT_STORAGE_MODE2)
         {
                 clut->start = 0;
         }
  
         PACK_GIFTAG(q, GIF_SET_TAG(1,0,0,0,GIF_FLG_PACKED,1), GIF_REG_AD);
         q++;
  
         PACK_GIFTAG(q, GS_SET_TEX0(texture->address>>6,texture->width>>6,texture->psm,
                                                            texture->info.width,texture->info.height,texture->info.components,texture->info.function,
                                                            clut->address>>6,clut->psm,clut->storage_mode,clut->start,clut->load_method), GS_REG_TEX0 + context);
         q++;
  
         return q;
  
 }

References texbuffer_t::address, clutbuffer_t::address, clut, CLUT_STORAGE_MODE2, texinfo_t::components, context, texinfo_t::function, GIF_FLG_PACKED, GIF_REG_AD, GIF_SET_TAG, GS_REG_TEX0, GS_SET_TEX0, texinfo_t::height, texbuffer_t::info, clutbuffer_t::load_method, PACK_GIFTAG, texbuffer_t::psm, clutbuffer_t::psm, clutbuffer_t::start, clutbuffer_t::storage_mode, texinfo_t::width, and texbuffer_t::width.

Referenced by run_demo(), and setup_texture().

◆ draw_zbuffer()

qword_t* draw_zbuffer	(	qword_t *	q,
		int	context,
		zbuffer_t *	zbuffer
	)

ZBuffer Attributes

Definition at line 45 of file draw_environment.c.

 {
  
         PACK_GIFTAG(q, GIF_SET_TAG(1,0,0,0,GIF_FLG_PACKED,1), GIF_REG_AD);
         q++;
         PACK_GIFTAG(q, GS_SET_ZBUF(zbuffer->address>>11,zbuffer->zsm,zbuffer->mask), GS_REG_ZBUF + context);
         q++;
  
         return q;
  
 }

References zbuffer_t::address, context, GIF_FLG_PACKED, GIF_REG_AD, GIF_SET_TAG, GS_REG_ZBUF, GS_SET_ZBUF, zbuffer_t::mask, PACK_GIFTAG, and zbuffer_t::zsm.

Data Structures

Macros

Functions