project64/Source/Project64-video/rdp.h

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/***************************************************************************
* *
* Project64-video - A Nintendo 64 gfx plugin. *
* http://www.pj64-emu.com/ *
* Copyright (C) 2017 Project64. All rights reserved. *
* Copyright (C) 2003-2009 Sergey 'Gonetz' Lipski *
* Copyright (C) 2002 Dave2001 *
* *
* License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* version 2 of the License, or (at your option) any later version. *
* *
****************************************************************************/
#pragma once
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#include <Common/stdtypes.h>
#include <Project64-video/Renderer/Renderer.h>
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extern char out_buf[2048];
extern uint32_t frame_count; // frame counter
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//GlideHQ support
#include "Ext_TxFilter.h"
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enum
{
MAX_CACHE = 1024 * 4,
MAX_TRI_CACHE = 768, // this is actually # of vertices, not triangles
MAX_VTX = 256,
MAX_TMU = 2,
};
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#define MAXCMD 0x100000
const unsigned int maxCMDMask = MAXCMD - 1;
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#define TEXMEM_2MB_EDGE 2097152
// Supported flags
#define SUP_TEXMIRROR 0x00000001
// Clipping flags
#define CLIP_XMAX 0x00000001
#define CLIP_XMIN 0x00000002
#define CLIP_YMAX 0x00000004
#define CLIP_YMIN 0x00000008
#define CLIP_WMIN 0x00000010
#define CLIP_ZMAX 0x00000020
#define CLIP_ZMIN 0x00000040
// Flags
#define ZBUF_ENABLED 0x00000001
#define ZBUF_DECAL 0x00000002
#define ZBUF_COMPARE 0x00000004
#define ZBUF_UPDATE 0x00000008
#define ALPHA_COMPARE 0x00000010
#define FORCE_BL 0x00000020
#define CULL_FRONT 0x00001000 // * must be here
#define CULL_BACK 0x00002000 // * must be here
#define FOG_ENABLED 0x00010000
#define CULLMASK 0x00003000
#define CULLSHIFT 12
// Update flags
#define UPDATE_ZBUF_ENABLED 0x00000001
#define UPDATE_TEXTURE 0x00000002 // \ Same thing!
#define UPDATE_COMBINE 0x00000002 // /
#define UPDATE_CULL_MODE 0x00000004
#define UPDATE_LIGHTS 0x00000010
#define UPDATE_BIASLEVEL 0x00000020
#define UPDATE_ALPHA_COMPARE 0x00000040
#define UPDATE_VIEWPORT 0x00000080
#define UPDATE_MULT_MAT 0x00000100
#define UPDATE_SCISSOR 0x00000200
#define UPDATE_FOG_ENABLED 0x00010000
#define CMB_MULT 0x00000001
#define CMB_SET 0x00000002
#define CMB_SUB 0x00000004
#define CMB_ADD 0x00000008
#define CMB_A_MULT 0x00000010
#define CMB_A_SET 0x00000020
#define CMB_A_SUB 0x00000040
#define CMB_A_ADD 0x00000080
#define CMB_SETSHADE_SHADEALPHA 0x00000100
#define CMB_INTER 0x00000200
#define CMB_MULT_OWN_ALPHA 0x00000400
#define CMB_COL_SUB_OWN 0x00000800
#define uc(x) coord[x<<1]
#define vc(x) coord[(x<<1)+1]
#if defined(_MSC_VER)
#define DECLAREALIGN16VAR(var) __declspec(align(16)) float var
#elif defined(__GNUG__)
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#define DECLAREALIGN16VAR(var) float (var) __attribute__ ((aligned(16)))
#endif
// Vertex structure
typedef struct
{
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float x, y, z, q;
float u0, v0, u1, v1;
float coord[4];
float w;
uint16_t flags;
uint8_t b; // These values are arranged like this so that *(uint32_t*)(VERTEX+?) is
uint8_t g; // ARGB format that glide can use.
uint8_t r;
uint8_t a;
float f; //fog
float vec[3]; // normal vector
float sx, sy, sz;
float x_w, y_w, z_w, u0_w, v0_w, u1_w, v1_w, oow;
uint8_t not_zclipped;
uint8_t screen_translated;
uint8_t uv_scaled;
uint32_t uv_calculated; // like crc
uint32_t shade_mod;
uint32_t color_backup;
float ou, ov;
int number; // way to identify it
int scr_off, z_off; // off the screen?
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} VERTEX;
// Clipping (scissors)
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typedef struct
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{
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uint32_t ul_x;
uint32_t ul_y;
uint32_t lr_x;
uint32_t lr_y;
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} SCISSOR;
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typedef struct {
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uint16_t tile_ul_s;
uint16_t tile_ul_t;
uint16_t tile_width;
uint16_t tile_height;
uint16_t tex_width;
uint16_t tex_size;
uint32_t dxt;
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} LOAD_TILE_INFO;
typedef struct
{
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int max_tex_size;
int sup_large_tex;
int sup_mirroring;
int sup_32bit_tex;
int has_2mb_tex_boundary;
int gamma_correction;
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int32_t gamma_table_size;
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uint32_t *gamma_table_r;
uint32_t *gamma_table_g;
uint32_t *gamma_table_b;
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uint32_t tmem_ptr[MAX_TMU];
uint32_t tex_min_addr[MAX_TMU];
uint32_t tex_max_addr[MAX_TMU];
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} VOODOO;
// This structure is what is passed in by rdp:settextureimage
typedef struct {
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uint8_t format; // format: ARGB, IA, ...
uint8_t size; // size: 4,8,16, or 32 bit
uint16_t width; // used in settextureimage
uint32_t addr; // address in RDRAM to load the texture from
int set_by; // 0-loadblock 1-loadtile
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} TEXTURE_IMAGE;
// This structure is a tile descriptor (as used by rdp:settile and rdp:settilesize)
typedef struct
{
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// rdp:settile
uint8_t format; // format: ARGB, IA, ...
uint8_t size; // size: 4,8,16, or 32 bit
uint16_t line; // size of one row (x axis) in 64 bit words
uint16_t t_mem; // location in texture memory (in 64 bit words, max 512 (4MB))
uint8_t palette; // palette # to use
uint8_t clamp_t; // clamp or wrap (y axis)?
uint8_t mirror_t; // mirroring on (y axis)?
uint8_t mask_t; // mask to wrap around (ex: 5 would wrap around 32) (y axis)
uint8_t shift_t; // ??? (scaling)
uint8_t clamp_s; // clamp or wrap (x axis)?
uint8_t mirror_s; // mirroring on (x axis)?
uint8_t mask_s; // mask to wrap around (x axis)
uint8_t shift_s; // ??? (scaling)
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// rdp:settilesize
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uint16_t ul_s; // upper left s coordinate
uint16_t ul_t; // upper left t coordinate
uint16_t lr_s; // lower right s coordinate
uint16_t lr_t; // lower right t coordinate
float f_ul_s;
float f_ul_t;
// these are set by loadtile
uint16_t t_ul_s; // upper left s coordinate
uint16_t t_ul_t; // upper left t coordinate
uint16_t t_lr_s; // lower right s coordinate
uint16_t t_lr_t; // lower right t coordinate
uint32_t width;
uint32_t height;
// uc0:texture
uint8_t on;
float s_scale;
float t_scale;
uint16_t org_s_scale;
uint16_t org_t_scale;
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} TILE;
// This structure forms the lookup table for cached textures
typedef struct {
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uint32_t addr; // address in RDRAM
uint32_t crc; // CRC check
uint32_t palette; // Palette #
uint32_t width; // width
uint32_t height; // height
uint32_t format; // format
uint32_t size; // size
uint32_t last_used; // what frame # was this texture last used (used for replacing)
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uint32_t line;
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uint32_t flags; // clamp/wrap/mirror flags
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uint32_t realwidth; // width of actual texture
uint32_t realheight; // height of actual texture
uint32_t lod;
uint32_t aspect;
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uint8_t set_by;
uint8_t texrecting;
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int f_mirror_s;
int f_mirror_t;
int f_wrap_s;
int f_wrap_t;
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float scale_x; // texture scaling
float scale_y;
float scale; // general scale to 256
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gfxTexInfo t_info; // texture info (glide)
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uint32_t tmem_addr; // addres in texture memory (glide)
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int uses; // 1 triangle that uses this texture
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int splits; // number of splits
int splitheight;
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float c_off; // ul center texel offset (both x and y)
float c_scl_x; // scale to lower-right center-texel x
float c_scl_y; // scale to lower-right center-texel y
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uint32_t mod, mod_color, mod_color1, mod_color2, mod_factor;
uint64_t ricecrc;
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int is_hires_tex;
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} CACHE_LUT;
// Lights
typedef struct {
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float r, g, b, a; // color
float dir_x, dir_y, dir_z; // direction towards the light source
float x, y, z, w; // light position
float ca, la, qa;
uint32_t nonblack;
uint32_t nonzero;
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} LIGHT;
typedef enum {
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ci_main, //0, main color image
ci_zimg, //1, depth image
ci_unknown, //2, status is unknown
ci_useless, //3, status is unclear
ci_old_copy, //4, auxiliary color image, copy of last color image from previous frame
ci_copy, //5, auxiliary color image, copy of previous color image
ci_copy_self, //6, main color image, it's content will be used to draw into itself
ci_zcopy, //7, auxiliary color image, copy of depth image
ci_aux, //8, auxiliary color image
ci_aux_copy //9, auxiliary color image, partial copy of previous color image
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} CI_STATUS;
// Frame buffers
typedef struct
{
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uint32_t addr; //color image address
uint8_t format;
uint8_t size;
uint16_t width;
uint16_t height;
CI_STATUS status;
int changed;
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} COLOR_IMAGE;
typedef struct
{
gfxChipID_t tmu;
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uint32_t addr; //address of color image
uint32_t end_addr;
uint32_t tex_addr; //address in video memory
uint32_t width; //width of color image
uint32_t height; //height of color image
uint8_t format; //format of color image
uint8_t size; //format of color image
uint8_t clear; //flag. texture buffer must be cleared
uint8_t drawn; //flag. if equal to 1, this image was already drawn in current frame
uint32_t crc; //checksum of the color image
float scr_width; //width of rendered image
float scr_height; //height of rendered image
uint32_t tex_width; //width of texture buffer
uint32_t tex_height; //height of texture buffer
int tile; //
uint16_t tile_uls; //shift from left bound of the texture
uint16_t tile_ult; //shift from top of the texture
uint32_t v_shift; //shift from top of the texture
uint32_t u_shift; //shift from left of the texture
float lr_u;
float lr_v;
float u_scale; //used to map vertex u,v coordinates into hires texture
float v_scale; //used to map vertex u,v coordinates into hires texture
CACHE_LUT * cache; //pointer to texture cache item
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gfxTexInfo info;
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uint16_t t_mem;
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} TBUFF_COLOR_IMAGE;
typedef struct
{
gfxChipID_t tmu;
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uint32_t begin; //start of the block in video memory
uint32_t end; //end of the block in video memory
uint8_t count; //number of allocated texture buffers
int clear_allowed; //stack of buffers can be cleared
TBUFF_COLOR_IMAGE images[256];
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} TEXTURE_BUFFER;
#define NUMTEXBUF 92
class CRDP
{
public:
CRDP();
~CRDP();
bool init();
void free();
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inline VERTEX & vtx(int index) const { return m_vtx[index]; }
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inline TILE & tiles(int index) { return m_tiles[index]; }
// Clipping
int clip; // clipping flags
VERTEX *vtx1; //[256] copy vertex buffer #1 (used for clipping)
VERTEX *vtx2; //[256] copy vertex buffer #2
VERTEX *vtxbuf; // current vertex buffer (reset to vtx, used to determine current vertex buffer)
VERTEX *vtxbuf2;
int n_global; // Used to pass the number of vertices from clip_z to clip_tri
int vtx_buffer;
CACHE_LUT *cache[MAX_TMU]; //[MAX_CACHE]
CACHE_LUT *cur_cache[MAX_TMU];
uint32_t cur_cache_n[MAX_TMU];
int n_cached[MAX_TMU];
// Vertices
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private:
VERTEX * m_vtx; //[MAX_VTX]
public:
int v0, vn;
COLOR_IMAGE *frame_buffers; //[NUMTEXBUF+2]
TEXTURE_BUFFER texbufs[2];
char RomName[21];
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float vi_width;
float vi_height;
int window_changed;
float offset_x, offset_y, offset_x_bak, offset_y_bak;
float scale_x, scale_x_bak;
float scale_y, scale_y_bak;
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float view_scale[3];
float view_trans[3];
float clip_min_x, clip_max_x, clip_min_y, clip_max_y;
float clip_ratio;
int updatescreen;
uint32_t tri_n; // triangle counter
uint32_t debug_n;
// Program counter
uint32_t pc[10]; // DList PC stack
uint32_t pc_i; // current PC index in the stack
int dl_count; // number of instructions before returning
int LLE;
// Segments
uint32_t segment[16]; // Segment pointer
// Marks the end of DList execution (done in uc?:enddl)
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bool halt;
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// Next command
uint32_t cmd0;
uint32_t cmd1;
uint32_t cmd2;
uint32_t cmd3;
// Clipping
SCISSOR scissor_o;
SCISSOR scissor;
int scissor_set;
// Colors
uint32_t fog_color;
uint32_t fill_color;
uint32_t prim_color;
uint32_t blend_color;
uint32_t env_color;
uint32_t SCALE;
uint32_t CENTER;
uint32_t prim_lodmin, prim_lodfrac;
uint16_t prim_depth;
uint16_t prim_dz;
uint8_t K4;
uint8_t K5;
enum {
noise_none,
noise_combine,
noise_texture
} noise;
float col[4]; // color multiplier
float coladd[4]; // color add/subtract
float shade_factor;
float col_2[4];
uint32_t cmb_flags, cmb_flags_2;
// othermode_l flags
int acmp; // 0 = none, 1 = threshold, 2 = dither
int zsrc; // 0 = pixel, 1 = prim
uint8_t alpha_dither_mode;
// Matrices
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#pragma warning(push)
#pragma warning(disable:4324) //structure was padded due to __declspec(align())
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DECLAREALIGN16VAR(model[4][4]);
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#pragma warning(pop)
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DECLAREALIGN16VAR(proj[4][4]);
DECLAREALIGN16VAR(combined[4][4]);
DECLAREALIGN16VAR(dkrproj[3][4][4]);
DECLAREALIGN16VAR(model_stack[32][4][4]); // 32 deep, will warn if overflow
int model_i; // index in the model matrix stack
int model_stack_size;
// Textures
TEXTURE_IMAGE timg; // 1 for each tmem address
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private:
TILE m_tiles[8]; // 8 tile descriptors
public:
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uint8_t tmem[4096]; // 4k tmem
uint32_t addr[512]; // 512 addresses (used to determine address loaded from)
LOAD_TILE_INFO load_info[512]; // 512 addresses. inforamation about tile loading.
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int cur_tile; // current tile
int mipmap_level;
int last_tile; // last tile set
int last_tile_size; // last tile size set
gfxChipID_t t0, t1;
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int best_tex; // if no 2-tmus, which texture? (0 or 1)
int tex;
int filter_mode;
// Texture palette
uint16_t pal_8[256];
uint32_t pal_8_crc[16];
uint32_t pal_256_crc;
uint8_t tlut_mode;
int LOD_en;
int Persp_en;
int persp_supported;
int force_wrap;
uint16_t pal_8_rice[512];
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// Lighting
uint32_t num_lights;
LIGHT light[12];
float light_vector[12][3];
float lookat[2][3];
int use_lookat;
// Combine modes
uint32_t cycle1, cycle2, cycle_mode;
uint8_t c_a0, c_b0, c_c0, c_d0, c_Aa0, c_Ab0, c_Ac0, c_Ad0;
uint8_t c_a1, c_b1, c_c1, c_d1, c_Aa1, c_Ab1, c_Ac1, c_Ad1;
uint8_t fbl_a0, fbl_b0, fbl_c0, fbl_d0;
uint8_t fbl_a1, fbl_b1, fbl_c1, fbl_d1;
uint8_t uncombined; // which is uncombined: 0x01=color 0x02=alpha 0x03=both
// float YUV_C0, YUV_C1, YUV_C2, YUV_C3, YUV_C4; //YUV textures conversion coefficients
// What needs updating
uint32_t update;
uint32_t flags;
int first;
uint32_t tex_ctr; // incremented every time textures are updated
int allow_combine; // allow combine updating?
int s2dex_tex_loaded;
uint16_t bg_image_height;
// Debug stuff
uint32_t rm; // use othermode_l instead, this just as a check for changes
uint32_t render_mode_changed;
uint32_t geom_mode;
uint32_t othermode_h;
uint32_t othermode_l;
// used to check if in texrect while loading texture
uint8_t texrecting;
//frame buffer related slots. Added by Gonetz
uint32_t cimg, ocimg, zimg, tmpzimg, vi_org_reg;
COLOR_IMAGE maincimg[2];
uint32_t last_drawn_ci_addr;
uint32_t main_ci, main_ci_end, main_ci_bg, main_ci_last_tex_addr, zimg_end, last_bg;
uint32_t ci_width, ci_height, ci_size, ci_end;
uint32_t zi_width;
int zi_lrx, zi_lry;
uint8_t ci_count, num_of_ci, main_ci_index, copy_ci_index, copy_zi_index;
int swap_ci_index, black_ci_index;
uint32_t ci_upper_bound, ci_lower_bound;
int motionblur, fb_drawn, fb_drawn_front, read_previous_ci, read_whole_frame;
CI_STATUS ci_status;
TBUFF_COLOR_IMAGE * cur_image; //image currently being drawn
TBUFF_COLOR_IMAGE * tbuff_tex; //image, which corresponds to currently selected texture
TBUFF_COLOR_IMAGE * aTBuffTex[2];
uint8_t cur_tex_buf;
uint8_t acc_tex_buf;
int skip_drawing; //rendering is not required. used for frame buffer emulation
//fog related slots. Added by Gonetz
float fog_multiplier, fog_offset;
enum {
fog_disabled,
fog_enabled,
fog_blend,
fog_blend_inverse
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}
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fog_mode;
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};
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void SetWireframeCol();
void ChangeSize();
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void GoToFullScreen();
extern CRDP rdp;
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extern VOODOO voodoo;
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extern gfxTexInfo fontTex;
extern gfxTexInfo cursorTex;
extern uint32_t offset_font;
extern uint32_t offset_cursor;
extern uint32_t offset_textures;
extern uint32_t offset_texbuf1;
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extern bool g_ucode_error_report;
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// RDP functions
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void rdp_reset();
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extern const char *ACmp[];
extern const char *Mode0[];
extern const char *Mode1[];
extern const char *Mode2[];
extern const char *Mode3[];
extern const char *Alpha0[];
#define Alpha1 Alpha0
extern const char *Alpha2[];
#define Alpha3 Alpha0
extern const char *FBLa[];
extern const char *FBLb[];
extern const char *FBLc[];
extern const char *FBLd[];
extern const char *str_zs[];
extern const char *str_yn[];
extern const char *str_offon[];
extern const char *str_cull[];
// I=intensity probably
extern const char *str_format[];
extern const char *str_size[];
extern const char *str_cm[];
extern const char *str_lod[];
extern const char *str_aspect[];
extern const char *str_filter[];
extern const char *str_tlut[];
extern const char *CIStatus[];
#define FBL_D_1 2
#define FBL_D_0 3
#ifndef maxval
#define maxval(a, b) (((a) > (b)) ? (a) : (b))
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#endif
#ifndef minval
#define minval(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef HIWORD
#define HIWORD(a) ((unsigned int)(a) >> 16)
#endif
#ifndef LOWORD
#define LOWORD(a) ((a) & 0xFFFF)
#endif
// Convert from u0/v0/u1/v1 to the real coordinates without regard to tmu
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__inline void ConvertCoordsKeep(VERTEX *v, int n)
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{
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for (int i = 0; i < n; i++)
{
v[i].uc(0) = v[i].u0;
v[i].vc(0) = v[i].v0;
v[i].uc(1) = v[i].u1;
v[i].vc(1) = v[i].v1;
}
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}
// Convert from u0/v0/u1/v1 to the real coordinates based on the tmu they are on
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__inline void ConvertCoordsConvert(VERTEX *v, int n)
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{
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for (int i = 0; i < n; i++)
{
v[i].uc(rdp.t0) = v[i].u0;
v[i].vc(rdp.t0) = v[i].v0;
v[i].uc(rdp.t1) = v[i].u1;
v[i].vc(rdp.t1) = v[i].v1;
}
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}
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__inline void AllowShadeMods(VERTEX *v, int n)
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{
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for (int i = 0; i < n; i++)
{
v[i].shade_mod = 0;
}
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}
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__inline void AddOffset(VERTEX *v, int n)
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{
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for (int i = 0; i < n; i++)
{
v[i].x += rdp.offset_x;
v[i].y += rdp.offset_y;
}
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}
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__inline void CalculateFog(VERTEX &v)
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{
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if (rdp.flags & FOG_ENABLED)
{
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if (v.w < 0.0f)
v.f = 0.0f;
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else
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v.f = minval(255.0f, maxval(0.0f, v.z_w * rdp.fog_multiplier + rdp.fog_offset));
v.a = (uint8_t)v.f;
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}
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else
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{
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v.f = 1.0f;
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}
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}
void newSwapBuffers();
extern int SwapOK;
// ** utility functions
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void load_palette(uint32_t addr, uint16_t start, uint16_t count);
void setTBufTex(uint16_t t_mem, uint32_t cnt);
// ** RDP graphics functions **
void undef();
void spnoop();
void rdp_noop();
void rdp_texrect();
//void rdp_texrectflip();
void rdp_loadsync();
void rdp_pipesync();
void rdp_tilesync();
void rdp_fullsync();
void rdp_setkeygb();
void rdp_setkeyr();
void rdp_setconvert();
void rdp_setscissor();
void rdp_setprimdepth();
void rdp_loadtlut();
void rdp_settilesize();
void rdp_loadblock();
void rdp_loadtile();
void rdp_settile();
void rdp_fillrect();
void rdp_setfillcolor();
void rdp_setfogcolor();
void rdp_setblendcolor();
void rdp_setprimcolor();
void rdp_setenvcolor();
void rdp_setcombine();
void rdp_settextureimage();
void rdp_setdepthimage();
void rdp_setcolorimage();
void rdp_setothermode();
void rdp_trifill();
void rdp_trishade();
void rdp_tritxtr();
void rdp_trishadetxtr();
void rdp_trifillz();
void rdp_trishadez();
void rdp_tritxtrz();
void rdp_trishadetxtrz();
void rdphalf_1();
void rdphalf_2();
void rdphalf_cont();
void rsp_reserved0();
void rsp_reserved1();
void rsp_reserved2();
void rsp_reserved3();
void ys_memrect();
void microcheck();
extern const char *str_dither[];
extern uint8_t microcode[4096];