nkeynes@31: /**
nkeynes@561:  * $Id$
nkeynes@31:  *
nkeynes@103:  * PVR2 (video chip) functions and macros.
nkeynes@31:  *
nkeynes@31:  * Copyright (c) 2005 Nathan Keynes.
nkeynes@31:  *
nkeynes@31:  * This program is free software; you can redistribute it and/or modify
nkeynes@31:  * it under the terms of the GNU General Public License as published by
nkeynes@31:  * the Free Software Foundation; either version 2 of the License, or
nkeynes@31:  * (at your option) any later version.
nkeynes@31:  *
nkeynes@31:  * This program is distributed in the hope that it will be useful,
nkeynes@31:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nkeynes@31:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nkeynes@31:  * GNU General Public License for more details.
nkeynes@31:  */
nkeynes@31: 
nkeynes@653: #ifndef lxdream_pvr2_H
nkeynes@653: #define lxdream_pvr2_H 1
nkeynes@653: 
nkeynes@653: #include <stdio.h>
nkeynes@653: #include "lxdream.h"
nkeynes@144: #include "display.h"
nkeynes@1: 
nkeynes@736: #ifdef __cplusplus
nkeynes@736: extern "C" {
nkeynes@736: #endif
nkeynes@736: 
nkeynes@189: typedef unsigned int pvraddr_t;
nkeynes@189: typedef unsigned int pvr64addr_t;
nkeynes@1: 
nkeynes@335: #define DISPMODE_ENABLE      0x00000001 /* Display enable */
nkeynes@335: #define DISPMODE_LINEDOUBLE  0x00000002 /* scanline double */
nkeynes@335: #define DISPMODE_COLFMT      0x0000000C /* Colour mode */
nkeynes@335: #define DISPMODE_CLOCKDIV    0x08000000 /* Clock divide-by-2 */
nkeynes@1: 
nkeynes@1: #define DISPSIZE_MODULO 0x3FF00000 /* line skip +1 (32-bit words)*/
nkeynes@1: #define DISPSIZE_LPF    0x000FFC00 /* lines per field */
nkeynes@1: #define DISPSIZE_PPL    0x000003FF /* pixel words (32 bit) per line */
nkeynes@1: 
nkeynes@103: #define DISPCFG_VP 0x00000001 /* V-sync polarity */
nkeynes@103: #define DISPCFG_HP 0x00000002 /* H-sync polarity */
nkeynes@103: #define DISPCFG_I  0x00000010 /* Interlace enable */
nkeynes@103: #define DISPCFG_BS 0x000000C0 /* Broadcast standard */
nkeynes@103: #define DISPCFG_VO 0x00000100 /* Video output enable */
nkeynes@1: 
nkeynes@432: #define DISPSYNC_LINE_MASK  0x000003FF
nkeynes@432: #define DISPSYNC_EVEN_FIELD 0x00000000
nkeynes@432: #define DISPSYNC_ODD_FIELD  0x00000400
nkeynes@432: #define DISPSYNC_ACTIVE     0x00000800
nkeynes@432: #define DISPSYNC_HSYNC      0x00001000
nkeynes@432: #define DISPSYNC_VSYNC      0x00002000
nkeynes@432: 
nkeynes@1: #define BS_NTSC 0x00000000
nkeynes@1: #define BS_PAL  0x00000040
nkeynes@1: #define BS_PALM 0x00000080 /* ? */
nkeynes@1: #define BS_PALN 0x000000C0 /* ? */
nkeynes@1: 
nkeynes@827: #define SCALER_HSCALE 0x00010000
nkeynes@827: 
nkeynes@103: #define PVR2_RAM_BASE 0x05000000
nkeynes@103: #define PVR2_RAM_BASE_INT 0x04000000
nkeynes@103: #define PVR2_RAM_SIZE (8 * 1024 * 1024)
nkeynes@103: #define PVR2_RAM_PAGES (PVR2_RAM_SIZE>>12)
nkeynes@189: #define PVR2_RAM_MASK 0x7FFFFF
nkeynes@103: 
nkeynes@222: #define RENDER_ZONLY  0
nkeynes@222: #define RENDER_NORMAL 1     /* Render non-modified polygons */
nkeynes@222: #define RENDER_CHEAPMOD 2   /* Render cheap-modified polygons */
nkeynes@222: #define RENDER_FULLMOD 3    /* Render the fully-modified version of the polygons */
nkeynes@222: 
nkeynes@1076: /**
nkeynes@1076:  * Advance to the next frame
nkeynes@1076:  */
nkeynes@1: void pvr2_next_frame( void );
nkeynes@1076: 
nkeynes@1076: /**
nkeynes@1076:  * Draw the current frame on the output window.
nkeynes@1076:  */
nkeynes@1076: void pvr2_draw_frame();
nkeynes@19: void pvr2_set_base_address( uint32_t );
nkeynes@133: int pvr2_get_frame_count( void );
nkeynes@295: gboolean pvr2_save_next_scene( const gchar *filename );
nkeynes@56: 
nkeynes@103: #define PVR2_CMD_END_OF_LIST 0x00
nkeynes@103: #define PVR2_CMD_USER_CLIP   0x20
nkeynes@103: #define PVR2_CMD_POLY_OPAQUE 0x80
nkeynes@103: #define PVR2_CMD_MOD_OPAQUE  0x81
nkeynes@103: #define PVR2_CMD_POLY_TRANS  0x82
nkeynes@103: #define PVR2_CMD_MOD_TRANS   0x83
nkeynes@103: #define PVR2_CMD_POLY_PUNCHOUT 0x84
nkeynes@103: #define PVR2_CMD_VERTEX      0xE0
nkeynes@103: #define PVR2_CMD_VERTEX_LAST 0xF0
nkeynes@103: 
nkeynes@864: #define PVR2_VOLUME_NORMAL 0x00000000
nkeynes@864: #define PVR2_VOLUME_REGION1 0x20000000
nkeynes@864: #define PVR2_VOLUME_REGION0 0x40000000
nkeynes@864: 
nkeynes@103: #define PVR2_POLY_TEXTURED 0x00000008
nkeynes@103: #define PVR2_POLY_SPECULAR 0x00000004
nkeynes@103: #define PVR2_POLY_SHADED   0x00000002
nkeynes@103: #define PVR2_POLY_UV_16BIT 0x00000001
nkeynes@103: 
nkeynes@133: #define PVR2_POLY_MODE_CLAMP_RGB 0x00200000
nkeynes@133: #define PVR2_POLY_MODE_ALPHA    0x00100000
nkeynes@133: #define PVR2_POLY_MODE_TEXALPHA 0x00080000
nkeynes@133: #define PVR2_POLY_MODE_FLIP_S   0x00040000
nkeynes@133: #define PVR2_POLY_MODE_FLIP_T   0x00020000
nkeynes@133: #define PVR2_POLY_MODE_CLAMP_S  0x00010000
nkeynes@133: #define PVR2_POLY_MODE_CLAMP_T  0x00008000
nkeynes@133: 
nkeynes@337: #define PVR2_POLY_FOG_LOOKUP    0x00000000
nkeynes@337: #define PVR2_POLY_FOG_VERTEX    0x00400000
nkeynes@337: #define PVR2_POLY_FOG_DISABLED  0x00800000
nkeynes@337: #define PVR2_POLY_FOG_LOOKUP2   0x00C00000
nkeynes@337: 
nkeynes@337: 
nkeynes@103: #define PVR2_TEX_FORMAT_ARGB1555 0x00000000
nkeynes@103: #define PVR2_TEX_FORMAT_RGB565   0x08000000
nkeynes@103: #define PVR2_TEX_FORMAT_ARGB4444 0x10000000
nkeynes@103: #define PVR2_TEX_FORMAT_YUV422   0x18000000
nkeynes@103: #define PVR2_TEX_FORMAT_BUMPMAP  0x20000000
nkeynes@103: #define PVR2_TEX_FORMAT_IDX4     0x28000000
nkeynes@103: #define PVR2_TEX_FORMAT_IDX8     0x30000000
nkeynes@103: 
nkeynes@103: #define PVR2_TEX_MIPMAP      0x80000000
nkeynes@103: #define PVR2_TEX_COMPRESSED  0x40000000
nkeynes@103: #define PVR2_TEX_FORMAT_MASK 0x38000000
nkeynes@103: #define PVR2_TEX_UNTWIDDLED  0x04000000
nkeynes@284: #define PVR2_TEX_STRIDE      0x02000000
nkeynes@337: #define PVR2_TEX_IS_PALETTE(mode) ( (mode & PVR2_TEX_FORMAT_MASK) == PVR2_TEX_FORMAT_IDX4 || (mode&PVR2_TEX_FORMAT_MASK) == PVR2_TEX_FORMAT_IDX8 )
nkeynes@337: 
nkeynes@103: 
nkeynes@108: #define PVR2_TEX_ADDR(x) ( ((x)&0x01FFFFF)<<3 );
nkeynes@348: #define PVR2_TEX_IS_MIPMAPPED(x) ( ((x) & 0x84000000) == 0x80000000 )
nkeynes@103: #define PVR2_TEX_IS_COMPRESSED(x) ( (x) & PVR2_TEX_COMPRESSED )
nkeynes@103: #define PVR2_TEX_IS_TWIDDLED(x) (((x) & PVR2_TEX_UNTWIDDLED) == 0)
nkeynes@284: #define PVR2_TEX_IS_STRIDE(x) (((x) & 0x06000000) == 0x06000000)
nkeynes@103: 
nkeynes@103: /****************************** Frame Buffer *****************************/
nkeynes@103: 
nkeynes@934: extern unsigned char pvr2_main_ram[];
nkeynes@934: 
nkeynes@103: /**
nkeynes@827:  * Write a block of data to an address in the DMA range (0x10000000 -
nkeynes@325:  * 0x13FFFFFF), ie TA, YUV, or texture ram.
nkeynes@325:  */
nkeynes@429: void pvr2_dma_write( sh4addr_t dest, unsigned char *src, uint32_t length );
nkeynes@325: 
nkeynes@325: /**
nkeynes@1294:  * Write to the linear memory address space (aka 32-bit address space).
nkeynes@1294:  */
nkeynes@1294: void pvr2_vram32_write( sh4addr_t dest, unsigned char *src, uint32_t length );
nkeynes@1294: 
nkeynes@1294: /**
nkeynes@103:  * Write to the interleaved memory address space (aka 64-bit address space).
nkeynes@103:  */
nkeynes@429: void pvr2_vram64_write( sh4addr_t dest, unsigned char *src, uint32_t length );
nkeynes@103: 
nkeynes@103: /**
nkeynes@282:  * Write to the interleaved memory address space (aka 64-bit address space),
nkeynes@282:  * using a line length and stride.
nkeynes@282:  */
nkeynes@429: void pvr2_vram64_write_stride( sh4addr_t dest, unsigned char *src, uint32_t line_bytes,
nkeynes@736:                                uint32_t line_stride_bytes, uint32_t line_count );
nkeynes@282: 
nkeynes@282: /**
nkeynes@103:  * Read from the interleaved memory address space (aka 64-bit address space)
nkeynes@103:  */
nkeynes@429: void pvr2_vram64_read( unsigned char *dest, sh4addr_t src, uint32_t length );
nkeynes@103: 
nkeynes@127: /**
nkeynes@310:  * Read a twiddled image from interleaved memory address space (aka 64-bit address
nkeynes@827:  * space), writing the image to the destination buffer in detwiddled format.
nkeynes@310:  * Width and height must be powers of 2
nkeynes@315:  * This version reads 4-bit pixels.
nkeynes@315:  */
nkeynes@429: void pvr2_vram64_read_twiddled_4( unsigned char *dest, sh4addr_t src, uint32_t width, uint32_t height );
nkeynes@315: 
nkeynes@315: 
nkeynes@315: /**
nkeynes@315:  * Read a twiddled image from interleaved memory address space (aka 64-bit address
nkeynes@827:  * space), writing the image to the destination buffer in detwiddled format.
nkeynes@315:  * Width and height must be powers of 2
nkeynes@310:  * This version reads 8-bit pixels.
nkeynes@310:  */
nkeynes@429: void pvr2_vram64_read_twiddled_8( unsigned char *dest, sh4addr_t src, uint32_t width, uint32_t height );
nkeynes@310: 
nkeynes@310: /**
nkeynes@310:  * Read a twiddled image from interleaved memory address space (aka 64-bit address
nkeynes@827:  * space), writing the image to the destination buffer in detwiddled format.
nkeynes@310:  * Width and height must be powers of 2, and src must be 16-bit aligned.
nkeynes@310:  * This version reads 16-bit pixels.
nkeynes@310:  */
nkeynes@429: void pvr2_vram64_read_twiddled_16( unsigned char *dest, sh4addr_t src, uint32_t width, uint32_t height );
nkeynes@310: 
nkeynes@310: /**
nkeynes@827:  * Read an image from the interleaved memory address space (aka 64-bit address space)
nkeynes@284:  * where the source and destination line sizes may differ. Note that both byte
nkeynes@284:  * counts must be a multiple of 4, and the src address must be 32-bit aligned.
nkeynes@284:  */
nkeynes@429: void pvr2_vram64_read_stride( unsigned char *dest, uint32_t dest_line_bytes, sh4addr_t srcaddr,
nkeynes@736:                               uint32_t src_line_bytes, uint32_t line_count );
nkeynes@284: /**
nkeynes@827:  * Dump a portion of vram to a stream from the interleaved memory address
nkeynes@127:  * space.
nkeynes@127:  */
nkeynes@127: void pvr2_vram64_dump( sh4addr_t addr, uint32_t length, FILE *f );
nkeynes@127: 
nkeynes@315: /**
nkeynes@315:  * Flush the indicated render buffer back to PVR. Caller is responsible for
nkeynes@315:  * tracking whether there is actually anything in the buffer.
nkeynes@315:  *
nkeynes@315:  * @param buffer A render buffer indicating the address to store to, and the
nkeynes@315:  * format the data needs to be in.
nkeynes@827:  * @param backBuffer TRUE to flush the back buffer, FALSE for
nkeynes@315:  * the front buffer.
nkeynes@315:  */
nkeynes@352: void pvr2_render_buffer_copy_to_sh4( render_buffer_t buffer );
nkeynes@315: 
nkeynes@315: /**
nkeynes@315:  * Invalidate any caching on the supplied SH4 address
nkeynes@315:  */
nkeynes@352: gboolean pvr2_render_buffer_invalidate( sh4addr_t addr, gboolean isWrite );
nkeynes@315: 
nkeynes@315: 
nkeynes@103: /**************************** Tile Accelerator ***************************/
nkeynes@56: /**
nkeynes@56:  * Process the data in the supplied buffer as an array of TA command lists.
nkeynes@56:  * Any excess bytes are held pending until a complete list is sent
nkeynes@56:  */
nkeynes@429: void pvr2_ta_write( unsigned char *buf, uint32_t length );
nkeynes@100: 
nkeynes@931: void FASTCALL pvr2_ta_write_burst( sh4addr_t addr, unsigned char *buf );
nkeynes@931: 
nkeynes@753: /**
nkeynes@753:  * Find the first polygon or sprite context in the supplied buffer of TA
nkeynes@753:  * data.
nkeynes@827:  * @return A pointer to the context, or NULL if it cannot be found
nkeynes@753:  */
nkeynes@753: uint32_t *pvr2_ta_find_polygon_context( uint32_t *buf, uint32_t length );
nkeynes@100: 
nkeynes@103: /**
nkeynes@103:  * (Re)initialize the tile accelerator in preparation for the next scene.
nkeynes@103:  * Normally called immediately before commencing polygon transmission.
nkeynes@103:  */
nkeynes@103: void pvr2_ta_init( void );
nkeynes@103: 
nkeynes@429: void pvr2_ta_reset( void );
nkeynes@429: 
nkeynes@429: void pvr2_ta_save_state( FILE *f );
nkeynes@429: 
nkeynes@429: int pvr2_ta_load_state( FILE *f );
nkeynes@282: 
nkeynes@282: /****************************** YUV Converter ****************************/
nkeynes@282: 
nkeynes@282: /**
nkeynes@282:  * Process a block of YUV data.
nkeynes@282:  */
nkeynes@429: void pvr2_yuv_write( unsigned char *buf, uint32_t length );
nkeynes@282: 
nkeynes@282: /**
nkeynes@282:  * Initialize the YUV converter.
nkeynes@282:  */
nkeynes@284: void pvr2_yuv_init( uint32_t target_addr );
nkeynes@284: 
nkeynes@284: void pvr2_yuv_set_config( uint32_t config );
nkeynes@282: 
nkeynes@429: void pvr2_yuv_save_state( FILE *f );
nkeynes@429: 
nkeynes@429: int pvr2_yuv_load_state( FILE *f );
nkeynes@429: 
nkeynes@103: /********************************* Renderer ******************************/
nkeynes@103: 
nkeynes@103: /**
nkeynes@103:  * Render the current scene stored in PVR ram to the GL back buffer.
nkeynes@103:  */
nkeynes@669: void pvr2_scene_render( render_buffer_t buffer );
nkeynes@103: 
nkeynes@103: /**
nkeynes@669:  * Perform the initial once-off GL setup, usually immediately after the GL
nkeynes@669:  * context is first bound.
nkeynes@103:  */
nkeynes@669: void pvr2_setup_gl_context();
nkeynes@219: 
nkeynes@1275: void pvr2_shutdown_gl_context();
nkeynes@1275: 
nkeynes@219: void render_backplane( uint32_t *polygon, uint32_t width, uint32_t height, uint32_t mode );
nkeynes@219: 
nkeynes@669: void render_autosort_tile( pvraddr_t tile_entry, int render_mode );
nkeynes@669: 
nkeynes@1154: struct polygon_struct;
nkeynes@1154: void gl_render_triangle( struct polygon_struct *poly, int index );
nkeynes@219: 
nkeynes@1137: void gl_render_tilelist( pvraddr_t tile_entry, gboolean set_depth );
nkeynes@429: 
nkeynes@856: render_buffer_t pvr2_create_render_buffer( sh4addr_t addr, int width, int height, GLuint tex_id );
nkeynes@856: 
nkeynes@861: void pvr2_finish_render_buffer( render_buffer_t buffer );
nkeynes@861: 
nkeynes@856: void pvr2_destroy_render_buffer( render_buffer_t buffer );
nkeynes@856: 
nkeynes@1280: /**
nkeynes@1280:  * Destroy all open render buffers
nkeynes@1280:  */
nkeynes@1280: void pvr2_destroy_render_buffers( void );
nkeynes@1280: 
nkeynes@1282: /**
nkeynes@1282:  * Preserve render buffers in main memory
nkeynes@1282:  */
nkeynes@1282: void pvr2_preserve_render_buffers( void );
nkeynes@1282: 
nkeynes@1282: /**
nkeynes@1282:  * Restore render buffers from a previous call to pvr2_preserve_render_buffers()
nkeynes@1282:  */
nkeynes@1282: void pvr2_restore_render_buffers( void );
nkeynes@856: 
nkeynes@319: /**
nkeynes@319:  * Structure to hold a complete unpacked vertex (excluding modifier
nkeynes@319:  * volume parameters - generate separate vertexes in that case).
nkeynes@319:  */
nkeynes@319: struct vertex_unpacked {
nkeynes@319:     float x,y,z;
nkeynes@319:     float u,v;            /* Texture coordinates */
nkeynes@319:     float rgba[4];        /* Fragment colour (RGBA order) */
nkeynes@319:     float offset_rgba[4]; /* Offset color (RGBA order) */
nkeynes@319: };
nkeynes@319: 
nkeynes@103: /****************************** Texture Cache ****************************/
nkeynes@103: 
nkeynes@103: /**
nkeynes@108:  * Initialize the texture cache.
nkeynes@103:  */
nkeynes@103: void texcache_init( void );
nkeynes@103: 
nkeynes@108: /**
nkeynes@108:  * Initialize the GL side of the texture cache (texture ids and such).
nkeynes@108:  */
nkeynes@1256: void texcache_gl_init( );
nkeynes@103: 
nkeynes@103: /**
nkeynes@103:  * Flush all textures and delete. The cache will be non-functional until
nkeynes@1275:  * the next call to texcache_gl_init(). This would typically be done if
nkeynes@103:  * switching GL targets.
nkeynes@827:  */
nkeynes@1275: void texcache_gl_shutdown( void );
nkeynes@103: 
nkeynes@103: /**
nkeynes@432:  * Flush (ie free) all textures.
nkeynes@432:  */
nkeynes@432: void texcache_flush( void );
nkeynes@432: 
nkeynes@432: /**
nkeynes@432:  * Flush all palette-based textures (if any)
nkeynes@432:  */
nkeynes@432: void texcache_invalidate_palette(void);
nkeynes@432: 
nkeynes@432: /**
nkeynes@103:  * Evict all textures contained in the page identified by a texture address.
nkeynes@103:  */
nkeynes@103: void texcache_invalidate_page( uint32_t texture_addr );
nkeynes@103: 
nkeynes@103: /**
nkeynes@886:  * Set the global texture parameters for the scene (possibly invalidating
nkeynes@886:  * some existing textures)
nkeynes@886:  */
nkeynes@1135: void texcache_begin_scene( uint32_t palette_mode, uint32_t stride_width );
nkeynes@886: 
nkeynes@886: /**
nkeynes@103:  * Return a texture ID for the texture specified at the supplied address
nkeynes@103:  * and given parameters (the same sequence of bytes could in theory have
nkeynes@103:  * multiple interpretations). We use the texture address as the primary
nkeynes@103:  * index, but allow for multiple instances at each address. The texture
nkeynes@103:  * will be bound to the GL_TEXTURE_2D target before being returned.
nkeynes@827:  *
nkeynes@103:  * If the texture has already been bound, return the ID to which it was
nkeynes@103:  * bound. Otherwise obtain an unused texture ID and set it up appropriately.
nkeynes@103:  */
nkeynes@1135: GLuint texcache_get_texture( uint32_t poly2_word, uint32_t texture_word );
nkeynes@221: 
nkeynes@856: render_buffer_t texcache_get_render_buffer( uint32_t texture_addr, int mode, int width, int height );
nkeynes@856: 
nkeynes@429: void pvr2_check_palette_changed(void);
nkeynes@429: 
nkeynes@432: int pvr2_render_save_scene( const gchar *filename );
nkeynes@432: 
nkeynes@850: /**
nkeynes@850:  * Queue a gun position event to occur at the specified position. Unless
nkeynes@850:  * cancelled, when the display reaches the position:
nkeynes@850:  *   GUNPOS is updated with the position, and
nkeynes@850:  *   EVENT_MAPLE_DMA is fired.
nkeynes@850:  */
nkeynes@850: void pvr2_queue_gun_event( int xpos, int ypos );
nkeynes@432: 
nkeynes@221: /************************* Rendering support macros **************************/
nkeynes@864: #define POLY1_VOLUME_MODE(poly1) ((poly1)&0xE0000000)
nkeynes@221: #define POLY1_DEPTH_MODE(poly1) ( pvr2_poly_depthmode[(poly1)>>29] )
nkeynes@653: #define POLY1_DEPTH_WRITE(poly1) (((poly1)&0x04000000) == 0 )
nkeynes@221: #define POLY1_CULL_MODE(poly1) (((poly1)>>27)&0x03)
nkeynes@653: #define POLY1_CULL_ENABLE(poly1) (((poly1)>>28)&0x01)
nkeynes@221: #define POLY1_TEXTURED(poly1) (((poly1)&0x02000000))
nkeynes@221: #define POLY1_SPECULAR(poly1) (((poly1)&0x01000000))
nkeynes@319: #define POLY1_GOURAUD_SHADED(poly1) ((poly1)&0x00800000)
nkeynes@221: #define POLY1_SHADE_MODEL(poly1) (((poly1)&0x00800000) ? GL_SMOOTH : GL_FLAT)
nkeynes@221: #define POLY1_UV16(poly1)   (((poly1)&0x00400000))
nkeynes@221: #define POLY1_SINGLE_TILE(poly1) (((poly1)&0x00200000))
nkeynes@221: 
nkeynes@221: #define POLY2_SRC_BLEND(poly2) ( pvr2_poly_srcblend[(poly2) >> 29] )
nkeynes@221: #define POLY2_DEST_BLEND(poly2) ( pvr2_poly_dstblend[((poly2)>>26)&0x07] )
nkeynes@322: #define POLY2_SRC_BLEND_TARGET(poly2)    ((poly2)&0x02000000)
nkeynes@322: #define POLY2_DEST_BLEND_TARGET(poly2)   ((poly2)&0x01000000)
nkeynes@337: #define POLY2_FOG_MODE(poly2)            ((poly2)&0x00C00000)
nkeynes@221: #define POLY2_COLOUR_CLAMP_ENABLE(poly2) ((poly2)&0x00200000)
nkeynes@322: #define POLY2_ALPHA_ENABLE(poly2)        ((poly2)&0x00100000)
nkeynes@322: #define POLY2_TEX_ALPHA_ENABLE(poly2)   (((poly2)&0x00080000) == 0 )
nkeynes@655: #define POLY2_TEX_MIRROR_U(poly2)        ((poly2)&0x00040000)
nkeynes@655: #define POLY2_TEX_MIRROR_V(poly2)        ((poly2)&0x00020000)
nkeynes@322: #define POLY2_TEX_CLAMP_U(poly2)         ((poly2)&0x00010000)
nkeynes@322: #define POLY2_TEX_CLAMP_V(poly2)         ((poly2)&0x00008000)
nkeynes@221: #define POLY2_TEX_WIDTH(poly2) ( 1<< ((((poly2) >> 3) & 0x07 ) + 3) )
nkeynes@221: #define POLY2_TEX_HEIGHT(poly2) ( 1<< (((poly2) & 0x07 ) + 3) )
nkeynes@338: #define POLY2_TEX_BLEND(poly2) (((poly2) >> 6)&0x03)
nkeynes@221: extern int pvr2_poly_depthmode[8];
nkeynes@221: extern int pvr2_poly_srcblend[8];
nkeynes@221: extern int pvr2_poly_dstblend[8];
nkeynes@221: extern int pvr2_render_colour_format[8];
nkeynes@221: 
nkeynes@653: #define CULL_NONE 0
nkeynes@653: #define CULL_SMALL 1
nkeynes@653: #define CULL_CCW 2
nkeynes@653: #define CULL_CW 3
nkeynes@653: 
nkeynes@653: #define SEGMENT_END         0x80000000
nkeynes@653: #define SEGMENT_ZCLEAR      0x40000000
nkeynes@653: #define SEGMENT_SORT_TRANS  0x20000000
nkeynes@653: #define SEGMENT_START       0x10000000
nkeynes@653: #define SEGMENT_X(c)        (((c) >> 2) & 0x3F)
nkeynes@653: #define SEGMENT_Y(c)        (((c) >> 8) & 0x3F)
nkeynes@653: #define NO_POINTER          0x80000000
nkeynes@653: #define IS_TILE_PTR(p)      ( ((p)&NO_POINTER) == 0 )
nkeynes@653: #define IS_LAST_SEGMENT(s)  (((s)->control) & SEGMENT_END)
nkeynes@653: 
nkeynes@653: struct tile_segment {
nkeynes@653:     uint32_t control;
nkeynes@653:     pvraddr_t opaque_ptr;
nkeynes@653:     pvraddr_t opaquemod_ptr;
nkeynes@653:     pvraddr_t trans_ptr;
nkeynes@653:     pvraddr_t transmod_ptr;
nkeynes@653:     pvraddr_t punchout_ptr;
nkeynes@653: };
nkeynes@653: 
nkeynes@1145: 
nkeynes@1145: struct tile_bounds {
nkeynes@1145:     int32_t x1, y1, x2, y2;
nkeynes@1145: };
nkeynes@1145: 
nkeynes@736: #ifdef __cplusplus
nkeynes@736: }
nkeynes@736: #endif
nkeynes@736: 
nkeynes@653: #endif /* !lxdream_pvr2_H */