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|
#ifndef _VIDEO_N64_H_
#define _VIDEO_N64_H_
#include "emu.h"
#include "includes/n64.h"
#include "video/polynew.h"
#include "video/rdpblend.h"
#include "video/rdptpipe.h"
/*****************************************************************************/
#define PIXEL_SIZE_4BIT 0
#define PIXEL_SIZE_8BIT 1
#define PIXEL_SIZE_16BIT 2
#define PIXEL_SIZE_32BIT 3
#define CYCLE_TYPE_1 0
#define CYCLE_TYPE_2 1
#define CYCLE_TYPE_COPY 2
#define CYCLE_TYPE_FILL 3
#define SAMPLE_TYPE_1x1 0
#define SAMPLE_TYPE_2x2 1
#define BYTE_ADDR_XOR BYTE4_XOR_BE(0)
#define WORD_ADDR_XOR (WORD_XOR_BE(0) >> 1)
#define XOR_SWAP_BYTE_SHIFT 2
#define XOR_SWAP_WORD_SHIFT 1
#define XOR_SWAP_DWORD_SHIFT 0
#define XOR_SWAP_BYTE 4
#define XOR_SWAP_WORD 2
#define XOR_SWAP_DWORD 1
#define FORMAT_RGBA 0
#define FORMAT_YUV 1
#define FORMAT_CI 2
#define FORMAT_IA 3
#define FORMAT_I 4
#ifdef LSB_FIRST
#define BYTE_XOR_DWORD_SWAP 7
#define WORD_XOR_DWORD_SWAP 3
#else
#define BYTE_XOR_DWORD_SWAP 4
#define WORD_XOR_DWORD_SWAP 2
#endif
#define DWORD_XOR_DWORD_SWAP 1
#define GET_LOW_RGBA16_TMEM(x) (m_rdp->ReplicatedRGBA[((x) >> 1) & 0x1f])
#define GET_MED_RGBA16_TMEM(x) (m_rdp->ReplicatedRGBA[((x) >> 6) & 0x1f])
#define GET_HI_RGBA16_TMEM(x) (m_rdp->ReplicatedRGBA[((x) >> 11) & 0x1f])
#define MEM8_LIMIT 0x7fffff
#define MEM16_LIMIT 0x3fffff
#define MEM32_LIMIT 0x1fffff
#define RDP_RANGE_CHECK (0)
#if RDP_RANGE_CHECK
#define CHECK8(in) if(rdp_range_check((in))) { printf("Check8: Address %08x out of range!\n", (in)); fflush(stdout); fatalerror("Address %08x out of range!\n", (in)); }
#define CHECK16(in) if(rdp_range_check((in) << 1)) { printf("Check16: Address %08x out of range!\n", (in) << 1); fflush(stdout); fatalerror("Address %08x out of range!\n", (in) << 1); }
#define CHECK32(in) if(rdp_range_check((in) << 2)) { printf("Check32: Address %08x out of range!\n", (in) << 2); fflush(stdout); fatalerror("Address %08x out of range!\n", (in) << 2); }
#else
#define CHECK8(in) { }
#define CHECK16(in) { }
#define CHECK32(in) { }
#endif
#if RDP_RANGE_CHECK
#define RREADADDR8(in) ((rdp_range_check((in))) ? 0 : (((UINT8*)rdram)[(in) ^ BYTE_ADDR_XOR]))
#define RREADIDX16(in) ((rdp_range_check((in) << 1)) ? 0 : (((UINT16*)rdram)[(in) ^ WORD_ADDR_XOR]))
#define RREADIDX32(in) ((rdp_range_check((in) << 2)) ? 0 : rdram[(in)])
#define RWRITEADDR8(in, val) if(rdp_range_check((in))) { printf("Write8: Address %08x out of range!\n", (in)); fflush(stdout); fatalerror("Address %08x out of range!\n", (in)); } else { ((UINT8*)rdram)[(in) ^ BYTE_ADDR_XOR] = val;}
#define RWRITEIDX16(in, val) if(rdp_range_check((in) << 1)) { printf("Write16: Address %08x out of range!\n", (in) << 1); fflush(stdout); fatalerror("Address %08x out of range!\n", (in) << 1); } else { ((UINT16*)rdram)[(in) ^ WORD_ADDR_XOR] = val;}
#define RWRITEIDX32(in, val) if(rdp_range_check((in) << 2)) { printf("Write32: Address %08x out of range!\n", (in) << 2); fflush(stdout); fatalerror("Address %08x out of range!\n", (in) << 2); } else { rdram[(in)] = val;}
#else
#define RREADADDR8(in) (((UINT8*)rdram)[(in) ^ BYTE_ADDR_XOR])
#define RREADIDX16(in) (((UINT16*)rdram)[(in) ^ WORD_ADDR_XOR])
#define RREADIDX32(in) (rdram[(in)])
#define RWRITEADDR8(in, val) ((UINT8*)rdram)[(in) ^ BYTE_ADDR_XOR] = val;
#define RWRITEIDX16(in, val) ((UINT16*)rdram)[(in) ^ WORD_ADDR_XOR] = val;
#define RWRITEIDX32(in, val) rdram[(in)] = val
#endif
#define U_RREADADDR8(in) (((UINT8*)rdram)[(in) ^ BYTE_ADDR_XOR])
#define U_RREADIDX16(in) (((UINT16*)rdram)[(in) ^ WORD_ADDR_XOR])
#define U_RREADIDX32(in) (rdram[(in)])
#define U_RWRITEADDR8(in, val) ((UINT8*)rdram)[(in) ^ BYTE_ADDR_XOR] = val;
#define U_RWRITEIDX16(in, val) ((UINT16*)rdram)[(in) ^ WORD_ADDR_XOR] = val;
#define U_RWRITEIDX32(in, val) rdram[(in)] = val
#define GETLOWCOL(x) (((x) & 0x3e) << 2)
#define GETMEDCOL(x) (((x) & 0x7c0) >> 3)
#define GETHICOL(x) (((x) & 0xf800) >> 8)
#define HREADADDR8(in) /*(((in) <= MEM8_LIMIT) ? */(HiddenBits[(in) ^ BYTE_ADDR_XOR])/* : 0)*/
#define HWRITEADDR8(in, val) /*{if ((in) <= MEM8_LIMIT) */HiddenBits[(in) ^ BYTE_ADDR_XOR] = val;/*}*/
//sign-extension macros
#define SIGN22(x) (((x) & 0x200000) ? ((x) | ~0x3fffff) : ((x) & 0x3fffff))
#define SIGN17(x) (((x) & 0x10000) ? ((x) | ~0x1ffff) : ((x) & 0x1ffff))
#define SIGN16(x) (((x) & 0x8000) ? ((x) | ~0xffff) : ((x) & 0xffff))
#define SIGN13(x) (((x) & 0x1000) ? ((x) | ~0x1fff) : ((x) & 0x1fff))
#define SIGN11(x) (((x) & 0x400) ? ((x) | ~0x7ff) : ((x) & 0x7ff))
#define SIGN9(x) (((x) & 0x100) ? ((x) | ~0x1ff) : ((x) & 0x1ff))
#define SIGN8(x) (((x) & 0x80) ? ((x) | ~0xff) : ((x) & 0xff))
#define KURT_AKELEY_SIGN9(x) ((((x) & 0x180) == 0x180) ? ((x) | ~0x1ff) : ((x) & 0x1ff))
#define SPAN_R (0)
#define SPAN_G (1)
#define SPAN_B (2)
#define SPAN_A (3)
#define SPAN_S (4)
#define SPAN_T (5)
#define SPAN_W (6)
#define SPAN_Z (7)
#define RDP_CVG_SPAN_MAX (1024)
#define EXTENT_AUX_COUNT (sizeof(rdp_span_aux)*(480*192)) // Screen coverage *192, more or less
/*****************************************************************************/
class n64_periphs;
class n64_rdp;
struct MiscStateT;
struct OtherModesT;
struct CombineModesT;
struct ColorInputsT;
struct SpanBaseT;
struct Rectangle;
class Color
{
public:
Color()
{
c = 0;
}
union
{
UINT32 c;
#ifdef LSB_FIRST
struct { UINT8 a, b, g, r; } i;
#else
struct { UINT8 r, g, b, a; } i;
#endif
};
};
enum
{
BIT_DEPTH_32 = 0,
BIT_DEPTH_16,
BIT_DEPTH_COUNT
};
class SpanParam
{
public:
union
{
UINT32 w;
#ifdef LSB_FIRST
struct { UINT16 l; INT16 h; } h;
#else
struct { INT16 h; UINT16 l; } h;
#endif
};
};
struct N64Tile
{
int format; // Image data format: RGBA, YUV, CI, IA, I
int size; // Size of texel element: 4b, 8b, 16b, 32b
int line; // Size of tile line in bytes
int tmem; // Starting tmem address for this tile in bytes
int palette; // Palette number for 4b CI texels
int ct, mt, cs, ms; // Clamp / mirror enable bits for S / T direction
int mask_t, shift_t, mask_s, shift_s; // Mask values / LOD shifts
UINT16 sl, tl, sh, th; // 10.2 fixed-point, starting and ending texel row / column
int num;
};
struct SpanBaseT
{
int m_span_dr;
int m_span_dg;
int m_span_db;
int m_span_da;
int m_span_ds;
int m_span_dt;
int m_span_dw;
int m_span_dz;
int m_span_dymax;
int m_span_dzpix;
int m_span_drdy;
int m_span_dgdy;
int m_span_dbdy;
int m_span_dady;
int m_span_dzdy;
};
struct MiscStateT
{
MiscStateT()
{
MaxLevel = 0;
MinLevel = 0;
}
int FBFormat; // Framebuffer pixel format index (0 - I, 1 - IA, 2 - CI, 3 - RGBA)
int FBSize; // Framebuffer pixel size index (0 - 4bpp, 1 - 8bpp, 2 - 16bpp, 3 - 32bpp)
int FBWidth; // Framebuffer width, in pixels
int FBHeight; // Framebuffer height, in scanlines
UINT32 FBAddress; // Framebuffer source address offset (in bytes) from start of RDRAM
UINT32 ZBAddress; // Z-buffer source address offset (in bytes) from start of RDRAM
int TIFormat; // Format for Texture Interface (TI) transfers
int TISize; // Size (in bytes) of TI transfers
int TIWidth; // Width (in pixels) of TI transfers
UINT32 TIAddress; // Destination address for TI transfers
UINT8 RandomSeed; // %HACK%, adds 19 each time it's read and is more or less random
int SpecialBlendSelect0; // Special blend-mode select for cycle 0
int SpecialBlendSelect1; // Special blend-mode select for cycle 1
UINT32 MaxLevel; // Maximum LOD level for texture filtering
UINT32 MinLevel; // Minimum LOD level for texture filtering
UINT16 PrimitiveZ; // Forced Z value for current primitive, if applicable
UINT16 PrimitiveDZ; // Forced Delta-Z value for current primitive, if applicable
};
struct CombineModesT
{
int sub_a_rgb0;
int sub_b_rgb0;
int mul_rgb0;
int add_rgb0;
int sub_a_a0;
int sub_b_a0;
int mul_a0;
int add_a0;
int sub_a_rgb1;
int sub_b_rgb1;
int mul_rgb1;
int add_rgb1;
int sub_a_a1;
int sub_b_a1;
int mul_a1;
int add_a1;
};
struct OtherModesT
{
int cycle_type;
bool persp_tex_en;
bool detail_tex_en;
bool sharpen_tex_en;
bool tex_lod_en;
bool en_tlut;
bool tlut_type;
bool sample_type;
bool mid_texel;
bool bi_lerp0;
bool bi_lerp1;
bool convert_one;
bool key_en;
int rgb_dither_sel;
int alpha_dither_sel;
int blend_m1a_0;
int blend_m1a_1;
int blend_m1b_0;
int blend_m1b_1;
int blend_m2a_0;
int blend_m2a_1;
int blend_m2b_0;
int blend_m2b_1;
int tex_edge;
bool force_blend;
bool alpha_cvg_select;
bool cvg_times_alpha;
int z_mode;
int cvg_dest;
bool color_on_cvg;
UINT8 image_read_en;
bool z_update_en;
bool z_compare_en;
bool antialias_en;
bool z_source_sel;
bool dither_alpha_en;
bool alpha_compare_en;
};
struct ColorInputsT
{
// combiner inputs
UINT8 *combiner_rgbsub_a_r[2];
UINT8 *combiner_rgbsub_a_g[2];
UINT8 *combiner_rgbsub_a_b[2];
UINT8 *combiner_rgbsub_b_r[2];
UINT8 *combiner_rgbsub_b_g[2];
UINT8 *combiner_rgbsub_b_b[2];
UINT8 *combiner_rgbmul_r[2];
UINT8 *combiner_rgbmul_g[2];
UINT8 *combiner_rgbmul_b[2];
UINT8 *combiner_rgbadd_r[2];
UINT8 *combiner_rgbadd_g[2];
UINT8 *combiner_rgbadd_b[2];
UINT8 *combiner_alphasub_a[2];
UINT8 *combiner_alphasub_b[2];
UINT8 *combiner_alphamul[2];
UINT8 *combiner_alphaadd[2];
// blender input
UINT8 *blender1a_r[2];
UINT8 *blender1a_g[2];
UINT8 *blender1a_b[2];
UINT8 *blender1b_a[2];
UINT8 *blender2a_r[2];
UINT8 *blender2a_g[2];
UINT8 *blender2a_b[2];
UINT8 *blender2b_a[2];
};
// This is enormous and horrible
struct rdp_span_aux
{
UINT32 m_unscissored_rx;
UINT16 m_cvg[RDP_CVG_SPAN_MAX];
Color MemoryColor;
Color PixelColor;
Color InvPixelColor;
Color BlendedPixelColor;
Color CombinedColor;
Color Texel0Color;
Color Texel1Color;
Color NextTexelColor;
Color BlendColor; /* constant blend color */
Color PrimColor; /* flat primitive color */
Color EnvColor; /* generic color constant ('environment') */
Color FogColor; /* generic color constant ('fog') */
Color ShadeColor; /* gouraud-shaded color */
Color KeyScale; /* color-keying constant */
Color NoiseColor; /* noise */
UINT8 LODFraction; /* Z-based LOD fraction for this poly */
UINT8 PrimLODFraction; /* fixed LOD fraction for this poly */
ColorInputsT ColorInputs;
UINT32 CurrentPixCvg;
UINT32 CurrentMemCvg;
UINT32 CurrentCvgBit;
UINT32 CurrentPixOverlap;
INT32 ShiftA;
INT32 ShiftB;
INT32 m_precomp_s;
INT32 m_precomp_t;
UINT8 BlendEnable;
bool PreWrap;
INT32 m_dzpix_enc;
UINT8 *m_tmem; /* pointer to texture cache for this polygon */
bool m_start_span;
};
struct Rectangle
{
UINT16 m_xl; // 10.2 fixed-point
UINT16 m_yl; // 10.2 fixed-point
UINT16 m_xh; // 10.2 fixed-point
UINT16 m_yh; // 10.2 fixed-point
};
struct rdp_poly_state
{
n64_rdp * m_rdp; /* pointer back to the RDP state */
MiscStateT MiscState; /* miscellaneous rasterizer bits */
OtherModesT OtherModes; /* miscellaneous rasterizer bits (2) */
SpanBaseT SpanBase; /* span initial values for triangle rasterization */
Rectangle Scissor; /* screen-space scissor bounds */
UINT32 FillColor; /* poly fill color */
N64Tile m_tiles[8]; /* texture tile state */
UINT8 m_tmem[0x1000]; /* texture cache */
int tilenum; /* texture tile index */
bool flip; /* left-major / right-major flip */
bool rect; /* primitive is rectangle (vs. triangle) */
};
//class n64_state;
class n64_rdp : public poly_manager<UINT32, rdp_poly_state, 8, 32000>
{
public:
typedef void (n64_rdp::*Writer) (UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
typedef void (n64_rdp::*Reader) (UINT32 curpixel, rdp_span_aux *userdata, const rdp_poly_state &object);
typedef void (n64_rdp::*Copier) (UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, int CurrentPixCvg, const rdp_poly_state &object);
typedef void (n64_rdp::*Filler) (UINT32 curpixel, const rdp_poly_state &object);
n64_rdp(n64_state &state);
running_machine &machine() const { assert(m_machine != NULL); return *m_machine; }
void InitInternalState()
{
m_tmem = auto_alloc_array(machine(), UINT8, 0x1000);
memset(m_tmem, 0, 0x1000);
UINT8 *normpoint = machine().region("normpoint")->base();
UINT8 *normslope = machine().region("normslope")->base();
for(INT32 i = 0; i < 64; i++)
{
m_norm_point_rom[i] = (normpoint[(i << 1) + 1] << 8) | normpoint[i << 1];
m_norm_slope_rom[i] = (normslope[(i << 1) + 1] << 8) | normslope[i << 1];
}
}
void ProcessList();
UINT32 ReadData(UINT32 address);
void Dasm(char *buffer);
void SetMachine(running_machine& machine) { m_machine = &machine; }
// CPU-visible registers
void SetStartReg(UINT32 val)
{
m_start = val;
}
UINT32 GetStartReg() const { return m_start; }
void SetEndReg(UINT32 val)
{
m_end = val;
}
UINT32 GetEndReg() const { return m_end; }
void SetCurrentReg(UINT32 val) { m_current = val; }
UINT32 GetCurrentReg() const { return m_current; }
void SetStatusReg(UINT32 val) { m_status = val; }
UINT32 GetStatusReg() const { return m_status; }
// Internal state
CombineModesT* GetCombine() { return &m_combine; }
// Color Combiner
INT32 ColorCombinerEquation(INT32 a, INT32 b, INT32 c, INT32 d);
INT32 AlphaCombinerEquation(INT32 a, INT32 b, INT32 c, INT32 d);
void ColorCombiner2Cycle(rdp_span_aux *userdata);
void ColorCombiner1Cycle(rdp_span_aux *userdata);
void SetSubAInputRGB(UINT8 **input_r, UINT8 **input_g, UINT8 **input_b, int code, rdp_span_aux *userdata);
void SetSubBInputRGB(UINT8 **input_r, UINT8 **input_g, UINT8 **input_b, int code, rdp_span_aux *userdata);
void SetMulInputRGB(UINT8 **input_r, UINT8 **input_g, UINT8 **input_b, int code, rdp_span_aux *userdata);
void SetAddInputRGB(UINT8 **input_r, UINT8 **input_g, UINT8 **input_b, int code, rdp_span_aux *userdata);
void SetSubInputAlpha(UINT8 **input, int code, rdp_span_aux *userdata);
void SetMulInputAlpha(UINT8 **input, int code, rdp_span_aux *userdata);
// Texture memory
UINT8* GetTMEM() { return m_tmem; }
UINT16* GetTMEM16() { return (UINT16*)m_tmem; }
UINT32* GetTMEM32() { return (UINT32*)m_tmem; }
UINT16* GetTLUT() { return (UINT16*)(m_tmem + 0x800); }
// Emulation Accelerators
UINT8 GetRandom() { return MiscState.RandomSeed += 0x13; }
// YUV Factors
void SetYUVFactors(INT32 k0, INT32 k1, INT32 k2, INT32 k3, INT32 k4, INT32 k5) { m_k0 = k0; m_k1 = k1; m_k2 = k2; m_k3 = k3; m_k4 = k4; m_k5 = k5; }
INT32 GetK0() const { return m_k0; }
INT32 GetK1() const { return m_k1; }
INT32 GetK2() const { return m_k2; }
INT32 GetK3() const { return m_k3; }
INT32* GetK4() { return &m_k4; }
INT32* GetK5() { return &m_k5; }
// Blender-related (move into RDP::Blender)
void SetBlenderInput(int cycle, int which, UINT8 **input_r, UINT8 **input_g, UINT8 **input_b, UINT8 **input_a, int a, int b, rdp_span_aux *userdata);
// Span rasterization
void SpanDraw1Cycle(INT32 scanline, const extent_t &extent, const rdp_poly_state &object, int threadid);
void SpanDraw2Cycle(INT32 scanline, const extent_t &extent, const rdp_poly_state &object, int threadid);
void SpanDrawCopy(INT32 scanline, const extent_t &extent, const rdp_poly_state &object, int threadid);
void SpanDrawFill(INT32 scanline, const extent_t &extent, const rdp_poly_state &object, int threadid);
// Render-related (move into eventual drawing-related classes?)
void TCDiv(INT32 ss, INT32 st, INT32 sw, INT32* sss, INT32* sst);
void TCDivNoPersp(INT32 ss, INT32 st, INT32 sw, INT32* sss, INT32* sst);
UINT32 GetLog2(UINT32 lod_clamp);
void RenderSpans(int start, int end, int tilenum, bool flip, extent_t *Spans, bool rect, rdp_poly_state *object);
void GetAlphaCvg(UINT8 *comb_alpha, rdp_span_aux *userdata, const rdp_poly_state &object);
const UINT8* GetBayerMatrix() const { return s_bayer_matrix; }
const UINT8* GetMagicMatrix() const { return s_magic_matrix; }
int GetCurrFIFOIndex() const { return m_cmd_cur; }
void ZStore(UINT32 zcurpixel, UINT32 dzcurpixel, UINT32 z, UINT32 enc);
UINT32 ZDecompress(UINT32 zcurpixel);
UINT32 DZDecompress(UINT32 zcurpixel, UINT32 dzcurpixel);
UINT32 DZCompress(UINT32 value);
INT32 NormalizeDZPix(INT32 sum);
bool ZCompare(UINT32 zcurpixel, UINT32 dzcurpixel, UINT32 sz, UINT16 dzpix, rdp_span_aux *userdata, const rdp_poly_state &object);
// Fullscreen update-related
void VideoUpdate(n64_periphs *n64, bitmap_rgb32 &bitmap);
// Commands
void CmdInvalid(UINT32 w1, UINT32 w2);
void CmdNoOp(UINT32 w1, UINT32 w2);
void CmdTriangle(UINT32 w1, UINT32 w2);
void CmdTriangleZ(UINT32 w1, UINT32 w2);
void CmdTriangleT(UINT32 w1, UINT32 w2);
void CmdTriangleTZ(UINT32 w1, UINT32 w2);
void CmdTriangleS(UINT32 w1, UINT32 w2);
void CmdTriangleSZ(UINT32 w1, UINT32 w2);
void CmdTriangleST(UINT32 w1, UINT32 w2);
void CmdTriangleSTZ(UINT32 w1, UINT32 w2);
void CmdTexRect(UINT32 w1, UINT32 w2);
void CmdTexRectFlip(UINT32 w1, UINT32 w2);
void CmdSyncLoad(UINT32 w1, UINT32 w2);
void CmdSyncPipe(UINT32 w1, UINT32 w2);
void CmdSyncTile(UINT32 w1, UINT32 w2);
void CmdSyncFull(UINT32 w1, UINT32 w2);
void CmdSetKeyGB(UINT32 w1, UINT32 w2);
void CmdSetKeyR(UINT32 w1, UINT32 w2);
void CmdSetFillColor32(UINT32 w1, UINT32 w2);
void CmdSetConvert(UINT32 w1, UINT32 w2);
void CmdSetScissor(UINT32 w1, UINT32 w2);
void CmdSetPrimDepth(UINT32 w1, UINT32 w2);
void CmdSetOtherModes(UINT32 w1, UINT32 w2);
void CmdLoadTLUT(UINT32 w1, UINT32 w2);
void CmdSetTileSize(UINT32 w1, UINT32 w2);
void CmdLoadBlock(UINT32 w1, UINT32 w2);
void CmdLoadTile(UINT32 w1, UINT32 w2);
void CmdFillRect(UINT32 w1, UINT32 w2);
void CmdSetTile(UINT32 w1, UINT32 w2);
void CmdSetFogColor(UINT32 w1, UINT32 w2);
void CmdSetBlendColor(UINT32 w1, UINT32 w2);
void CmdSetPrimColor(UINT32 w1, UINT32 w2);
void CmdSetEnvColor(UINT32 w1, UINT32 w2);
void CmdSetCombine(UINT32 w1, UINT32 w2);
void CmdSetTextureImage(UINT32 w1, UINT32 w2);
void CmdSetMaskImage(UINT32 w1, UINT32 w2);
void CmdSetColorImage(UINT32 w1, UINT32 w2);
void RGBAZClip(int sr, int sg, int sb, int sa, int *sz, rdp_span_aux *userdata);
void RGBAZCorrectTriangle(INT32 offx, INT32 offy, INT32* r, INT32* g, INT32* b, INT32* a, INT32* z, rdp_span_aux *userdata, const rdp_poly_state &object);
void Triangle(bool shade, bool texture, bool zbuffer);
UINT32 AddRightCvg(UINT32 x, UINT32 k);
UINT32 AddLeftCvg(UINT32 x, UINT32 k);
void GetDitherValues(int x, int y, int* cdith, int* adith, const rdp_poly_state &object);
UINT32* GetSpecial9BitClampTable() { return m_special_9bit_clamptable; }
UINT16 decompress_cvmask_frombyte(UINT8 x);
void lookup_cvmask_derivatives(UINT32 mask, UINT8* offx, UINT8* offy, rdp_span_aux *userdata);
MiscStateT MiscState;
// Color constants
Color BlendColor; /* constant blend color */
Color PrimColor; /* flat primitive color */
Color EnvColor; /* generic color constant ('environment') */
Color FogColor; /* generic color constant ('fog') */
Color KeyScale; /* color-keying constant */
UINT8 LODFraction; /* Z-based LOD fraction for this poly */
UINT8 PrimLODFraction; /* fixed LOD fraction for this poly */
Color OneColor;
Color ZeroColor;
UINT32 FillColor;
OtherModesT OtherModes;
N64BlenderT Blender;
N64TexturePipeT TexPipe;
UINT8 HiddenBits[0x800000];
UINT8 ReplicatedRGBA[32];
Rectangle Scissor;
SpanBaseT SpanBase;
rectangle visarea;
void DrawTriangle(bool shade, bool texture, bool zbuffer, bool rect);
void compute_cvg_noflip(extent_t *Spans, INT32* majorx, INT32* minorx, INT32* majorxint, INT32* minorxint, INT32 scanline, INT32 yh, INT32 yl, INT32 base);
void compute_cvg_flip(extent_t *Spans, INT32* majorx, INT32* minorx, INT32* majorxint, INT32* minorxint, INT32 scanline, INT32 yh, INT32 yl, INT32 base);
void* AuxBuf;
UINT32 AuxBufPtr;
UINT32 AuxBufIndex;
void* ExtentBuf[2];
UINT32 ExtentBufPtr[2];
UINT32 ExtentBufIndex;
bool rdp_range_check(UINT32 addr);
N64Tile m_tiles[8];
protected:
CombineModesT m_combine;
bool m_pending_mode_block;
bool m_pipe_clean;
typedef struct
{
UINT8 cvg;
UINT8 cvbit;
UINT8 xoff;
UINT8 yoff;
} CVMASKDERIVATIVE;
CVMASKDERIVATIVE cvarray[(1 << 8)];
UINT16 z_com_table[0x40000]; //precalced table of compressed z values, 18b: 512 KB array!
UINT32 z_complete_dec_table[0x4000]; //the same for decompressed z values, 14b
UINT8 compressed_cvmasks[0x10000]; //16bit cvmask -> to byte
UINT32 m_cmd_data[0x1000];
UINT32 m_temp_rect_data[0x1000];
int m_cmd_ptr;
int m_cmd_cur;
UINT32 m_start;
UINT32 m_end;
UINT32 m_current;
UINT32 m_status;
UINT8* m_tmem;
running_machine* m_machine;
// YUV factors
INT32 m_k0;
INT32 m_k1;
INT32 m_k2;
INT32 m_k3;
INT32 m_k4;
INT32 m_k5;
// Texture perspective division
INT32 m_norm_point_rom[64];
INT32 m_norm_slope_rom[64];
static const UINT8 s_bayer_matrix[16];
static const UINT8 s_magic_matrix[16];
INT32 m_gamma_table[256];
INT32 m_gamma_dither_table[0x4000];
UINT32 m_special_9bit_clamptable[512];
Writer _Write[16];
Reader _Read[4];
Copier _Copy[2];
Filler _Fill[2];
void _Write16Bit_Cvg0_Blend(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Write16Bit_Cvg0_NoBlend(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Write16Bit_Cvg1(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Write16Bit_Cvg2(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Write16Bit_Cvg3(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Write32Bit_Cvg0_Blend(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Write32Bit_Cvg0_NoBlend(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Write32Bit_Cvg1(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Write32Bit_Cvg2(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Write32Bit_Cvg3(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Read16Bit_ImgRead0(UINT32 curpixel, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Read16Bit_ImgRead1(UINT32 curpixel, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Read32Bit_ImgRead0(UINT32 curpixel, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Read32Bit_ImgRead1(UINT32 curpixel, rdp_span_aux *userdata, const rdp_poly_state &object);
void _Copy16Bit(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, int CurrentPixCvg, const rdp_poly_state &object);
void _Copy32Bit(UINT32 curpixel, UINT32 r, UINT32 g, UINT32 b, int CurrentPixCvg, const rdp_poly_state &object);
void _Fill16Bit(UINT32 curpixel, const rdp_poly_state &object);
void _Fill32Bit(UINT32 curpixel, const rdp_poly_state &object);
class ZDecompressEntry
{
public:
UINT32 shift;
UINT32 add;
};
void precalc_cvmask_derivatives(void);
void z_build_com_table(void);
static const ZDecompressEntry z_dec_table[8];
// Internal screen-update functions
void VideoUpdate16(n64_periphs *n64, bitmap_rgb32 &bitmap);
void VideoUpdate32(n64_periphs *n64, bitmap_rgb32 &bitmap);
typedef void (*Command)(UINT32 w1, UINT32 w2);
static const Command m_commands[0x40];
};
#endif // _VIDEO_N64_H_
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