rdp.h File Reference

RDP: Hardware Display Interface. More...

Go to the source code of this file.

Macros
#define	DP_START   ((volatile uint32_t*)0xA4100000)
	DP start register.
#define	DP_END   ((volatile uint32_t*)0xA4100004)
	DP end register.
#define	DP_CURRENT   ((volatile uint32_t*)0xA4100008)
	DP current register.
#define	DP_STATUS   ((volatile uint32_t*)0xA410000C)
	DP status register.
#define	DP_CLOCK   ((volatile uint32_t*)0xA4100010)
	DP clock counter.
#define	DP_BUSY   ((volatile uint32_t*)0xA4100014)
	DP command buffer busy.
#define	DP_PIPE_BUSY   ((volatile uint32_t*)0xA4100018)
	DP pipe busy.
#define	DP_TMEM_BUSY   ((volatile uint32_t*)0xA410001C)
	DP tmem busy.
#define	DP_STATUS_DMEM_DMA   (1 << 0)
	DP is using DMEM DMA.
#define	DP_STATUS_FREEZE   (1 << 1)
	DP is frozen.
#define	DP_STATUS_FLUSH   (1 << 2)
	DP is flushed.
#define	DP_STATUS_GCLK_ALIVE   (1 << 3)
	DP GCLK is alive.
#define	DP_STATUS_TMEM_BUSY   (1 << 4)
	DP TMEM is busy.
#define	DP_STATUS_PIPE_BUSY   (1 << 5)
	DP pipeline is busy.
#define	DP_STATUS_BUSY   (1 << 6)
	DP command unit is busy.
#define	DP_STATUS_BUFFER_READY   (1 << 7)
	DP command buffer is ready.
#define	DP_STATUS_DMA_BUSY   (1 << 8)
	DP DMA is busy.
#define	DP_STATUS_END_VALID   (1 << 9)
	DP command end register is valid.
#define	DP_STATUS_START_VALID   (1 << 10)
	DP command start register is valid.
#define	DP_WSTATUS_RESET_XBUS_DMEM_DMA   (1<<0)
	DP_STATUS write mask: clear DP_STATUS_DMEM_DMA bit.
#define	DP_WSTATUS_SET_XBUS_DMEM_DMA   (1<<1)
	DP_STATUS write mask: set DP_STATUS_DMEM_DMA bit.
#define	DP_WSTATUS_RESET_FREEZE   (1<<2)
	DP_STATUS write mask: clear DP_STATUS_FREEZE bit.
#define	DP_WSTATUS_SET_FREEZE   (1<<3)
	DP_STATUS write mask: set DP_STATUS_FREEZE bit.
#define	DP_WSTATUS_RESET_FLUSH   (1<<4)
	DP_STATUS write mask: clear DP_STATUS_FLUSH bit.
#define	DP_WSTATUS_SET_FLUSH   (1<<5)
	DP_STATUS write mask: set DP_STATUS_FLUSH bit.
#define	DP_WSTATUS_RESET_TMEM_COUNTER   (1<<6)
	DP_STATUS write mask: clear TMEM counter.
#define	DP_WSTATUS_RESET_PIPE_COUNTER   (1<<7)
	DP_STATUS write mask: clear PIPE counter.
#define	DP_WSTATUS_RESET_CMD_COUNTER   (1<<8)
	DP_STATUS write mask: clear CMD counter.
#define	DP_WSTATUS_RESET_CLOCK_COUNTER   (1<<9)
	DP_STATUS write mask: clear CLOCK counter.

Enumerations
enum	mirror_t { MIRROR_DISABLED , MIRROR_X , MIRROR_Y , MIRROR_XY }
	Mirror settings for textures. More...
enum	flush_t { FLUSH_STRATEGY_NONE , FLUSH_STRATEGY_AUTOMATIC }
	Caching strategy for loaded textures. More...

Functions
void	rdp_enable_blend_fill (void)
	Enable display of 2D filled (untextured) triangles, with possible alpha blending.
uint32_t	rdp_load_texture (uint32_t texslot, uint32_t texloc, mirror_t mirror, sprite_t *sprite)
	Load a sprite into RDP TMEM.
uint32_t	rdp_load_texture_stride (uint32_t texslot, uint32_t texloc, mirror_t mirror, sprite_t *sprite, int offset)
	Load part of a sprite into RDP TMEM.
void	rdp_draw_textured_rectangle (uint32_t texslot, int tx, int ty, int bx, int by, mirror_t mirror)
	Draw a textured rectangle.
void	rdp_draw_textured_rectangle_scaled (uint32_t texslot, int tx, int ty, int bx, int by, double x_scale, double y_scale, mirror_t mirror)
	Draw a textured rectangle with a scaled texture.
void	rdp_draw_sprite (uint32_t texslot, int x, int y, mirror_t mirror)
	Draw a texture to the screen as a sprite.
void	rdp_draw_sprite_scaled (uint32_t texslot, int x, int y, double x_scale, double y_scale, mirror_t mirror)
	Draw a texture to the screen as a scaled sprite.
void	rdp_set_blend_color (uint32_t color)
	Set the blend draw color for subsequent filled primitive operations.
void	rdp_draw_filled_triangle (float x1, float y1, float x2, float y2, float x3, float y3)
	Draw a filled triangle.
void	rdp_set_texture_flush (flush_t flush)
	Set the flush strategy for texture loads.

Detailed Description

RDP: Hardware Display Interface.

Author

Jennifer Taylor drago.nosp@m.nmin.nosp@m.ded@d.nosp@m.rago.nosp@m.nmind.nosp@m.ed.c.nosp@m.om

Dennis Heinze denni.nosp@m.sjp..nosp@m.heinz.nosp@m.e@gm.nosp@m.ail.c.nosp@m.om

Function Documentation

rdp_enable_blend_fill()

void rdp_enable_blend_fill

(

void

)

Enable display of 2D filled (untextured) triangles, with possible alpha blending.

This must be called before using rdp_draw_filled_triangle.