Vertices

PowerVR vertex types More...

Data Structures
struct	pvr_vertex_t
	Generic PVR vertex type. More...
struct	pvr_vertex_pcm_t
	PVR vertex type: Non-textured, packed color, affected by modifier volume. More...
struct	pvr_vertex_tpcm_t
	PVR vertex type: Textured, packed color, affected by modifier volume. More...
struct	pvr_sprite_txr_t
	PVR vertex type: Textured sprite. More...
struct	pvr_sprite_col_t
	PVR vertex type: Untextured sprite. More...
struct	pvr_modifier_vol_t
	PVR vertex type: Modifier volume. More...

Macros
#define	PVR_PACK_COLOR(a, r, g, b)
	Pack four floating point color values into a 32-bit integer form.

Functions
static uint32_t	PVR_PACK_16BIT_UV (float u, float v)
	Pack two floating point coordinates into one 32-bit value, truncating them to 16-bits each.

Detailed Description

PowerVR vertex types

Macro Definition Documentation

PVR_PACK_COLOR

#define PVR_PACK_COLOR	(		a,
			r,
			g,
			b )

Value:

                                     ( \
                                     ( ((uint8_t)( (a) * 255 ) ) << 24 ) | \
                                     ( ((uint8_t)( (r) * 255 ) ) << 16 ) | \
                                     ( ((uint8_t)( (g) * 255 ) ) << 8 ) | \
                                     ( ((uint8_t)( (b) * 255 ) ) << 0 ) )

Pack four floating point color values into a 32-bit integer form.

All of the color values should be between 0 and 1.

Parameters

a	Alpha value
r	Red value
g	Green value
b	Blue value

Returns

The packed color value

Function Documentation

PVR_PACK_16BIT_UV()

static uint32_t PVR_PACK_16BIT_UV ( float u, float v )

inlinestatic

Pack two floating point coordinates into one 32-bit value, truncating them to 16-bits each.

Parameters

u	First coordinate to pack
v	Second coordinate to pack

Returns

The packed coordinates