mirror of
https://github.com/OpenDriver2/REDRIVER2.git
synced 2024-11-24 19:32:50 +01:00
231 lines
6.5 KiB
C
231 lines
6.5 KiB
C
#ifndef EMULATOR_H
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#define EMULATOR_H
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#include "EMULATOR_PLATFORM_SETUP.H"
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#include "LIBGPU.H"
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#include <stdio.h>
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#include <stddef.h>
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef NULL
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#define NULL 0
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#endif
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#if !((defined OGL) || (defined(OGLES) && OGLES_VERSION == 3))
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#define glGenVertexArrays glGenVertexArraysOES
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#define glBindVertexArray glBindVertexArrayOES
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#define glDeleteVertexArrays glDeleteVertexArraysOES
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#endif
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#ifdef _MSC_VER
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#define FUNCNAME __FUNCTION__
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#else
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#define FUNCNAME __func__
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#endif
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#if defined(__ANDROID__)
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#include <android/log.h>
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#define LOG_TAG_EMU "[EMU] "
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#define eprintf(fmt, ...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG_EMU, fmt, ##__VA_ARGS__)
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#define eprinterr(fmt, ...) eprintf("[%s] - " fmt, FUNCNAME, ##__VA_ARGS__);
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#else
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#define eprintf(fmt, ...) printf("[EMU] " fmt, ##__VA_ARGS__)
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#define eprinterr(fmt, ...) eprintf("[%s] - " fmt, FUNCNAME, ##__VA_ARGS__);
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#endif
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#if defined(__EMSCRIPTEN__)
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#define UNIMPLEMENTED() 0;
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#else
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#define UNIMPLEMENTED() eprinterr("Unimplemented!\n");
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#endif
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#if defined(OGL)
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#define VRAM_FORMAT GL_RG
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#define VRAM_INTERNAL_FORMAT GL_RG8
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#elif defined(OGLES)
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#define VRAM_FORMAT GL_LUMINANCE_ALPHA
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#define VRAM_INTERNAL_FORMAT GL_LUMINANCE_ALPHA
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#endif
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#define VRAM_WIDTH (1024)
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#define VRAM_HEIGHT (512)
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#define TPAGE_WIDTH (256)
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#define TPAGE_HEIGHT (256)
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#define CLUT_WIDTH (16)
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#define CLUT_HEIGHT (1)
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#define CTR_RUNNING (0)
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#define CTR_STOPPED (1)
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#define CTR_MODE_TO_FFFF (0)
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#define CTR_MODE_TO_TARG (1)
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#define CTR_CLOCK_SYS (0)
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#define CTR_CLOCK_PIXEL (1)
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#define CTR_HORIZ_RETRACE (1)
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#define CTR_CLOCK_SYS_ONE (0)
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#define CTR_CLOCK_SYS_ONE_EIGHTH (1)
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#define GET_TPAGE_X(tpage) (((tpage << 6) & 0x7C0) % (VRAM_WIDTH))
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#define GET_TPAGE_Y(tpage) (((((tpage << 4) & 0x100) + ((tpage >> 2) & 0x200))) % (VRAM_HEIGHT))
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#define GET_TPAGE_FORMAT(tpage) ((TexFormat)((tpage >> 7) & 0x3))
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#define GET_TPAGE_BLEND(tpage) ((BlendMode)(((page >> 5) & 3) + 1))
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// TODO
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#define GET_TPAGE_DITHER(tpage) 1
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//#define GET_TPAGE_DITHER(tpage) 1((tpage >> 9) & 0x1)
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#define GET_CLUT_X(clut) ((clut & 0x3F) << 4)
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#define GET_CLUT_Y(clut) (clut >> 6)
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typedef struct
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{
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unsigned int i_cycle;
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union
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{
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unsigned short cycle;
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unsigned short unk00;
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};
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unsigned int i_value;
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union
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{
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unsigned short value;
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unsigned short unk01;
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};
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unsigned int i_target;
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union
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{
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unsigned short target;
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unsigned short unk02;
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};
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unsigned int padding00;
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unsigned int padding01;
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} SysCounter;
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extern SysCounter counters[3];
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#pragma pack(push,1)
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struct Vertex
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{
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#if defined(PGXP)
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float x, y, page, clut;
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#else
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short x, y, page, clut;
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#endif
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u_char u, v, bright, dither;
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u_char r, g, b, a;
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#if defined(PGXP)
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float z, w;
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#endif
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};
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#pragma pack(pop)
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enum ShaderAttrib
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{
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a_position,
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a_texcoord,
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a_color,
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a_w,
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a_z
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};
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enum BlendMode
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{
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BM_NONE,
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BM_AVERAGE,
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BM_ADD,
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BM_SUBTRACT,
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BM_ADD_QUATER_SOURCE
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};
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enum TexFormat
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{
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TF_4_BIT,
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TF_8_BIT,
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TF_16_BIT
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};
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#define MAX_NUM_POLY_BUFFER_VERTICES (12040)
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#define MAX_NUM_INDEX_BUFFERS (4096)
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#if defined(OGLES) || defined(OGL)
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typedef GLuint TextureID;
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typedef GLuint ShaderID;
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typedef GLuint RenderTargetID;
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#elif defined(D3D9)
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typedef IDirect3DTexture9* TextureID;
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struct ShaderID {
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IDirect3DVertexShader9* VS;
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IDirect3DPixelShader9* PS;
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};
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typedef IDirect3DSurface9* RenderTargetID;
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#else
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#error
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#endif
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typedef void(*GameDebugKeysHandlerFunc)(int nKey, bool down);
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extern GameDebugKeysHandlerFunc gameDebugKeys;
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extern int Emulator_Initialise();
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extern void Emulator_StoreFrameBuffer(int x, int y, int w, int h);
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extern void Emulator_SaveVRAM(const char* outputFileName, int x, int y, int width, int height, int bReadFromFrameBuffer);
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extern void Emulator_CopyVRAM(unsigned short* src, int x, int y, int w, int h, int dst_x, int dst_y);
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extern void Emulator_ReadVRAM(unsigned short* dst, int x, int y, int dst_w, int dst_h);
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extern void Emulator_UpdateVRAM();
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extern void Emulator_BlitVRAM();
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extern void Emulator_ShutDown();
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extern void Emulator_SwapWindow();
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extern void Emulator_SetBlendMode(BlendMode blendMode);
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extern void Emulator_CounterLoop();
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extern void Emulator_GenerateLineArray(struct Vertex* vertex, VERTTYPE* p0, VERTTYPE* p1, ushort gteidx);
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extern void Emulator_GenerateVertexArrayTriangle(struct Vertex* vertex, VERTTYPE* p0, VERTTYPE* p1, VERTTYPE* p2, ushort gteidx);
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extern void Emulator_GenerateVertexArrayQuad(struct Vertex* vertex, VERTTYPE* p0, VERTTYPE* p1, VERTTYPE* p2, VERTTYPE* p3, ushort gteidx);
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extern void Emulator_GenerateVertexArrayRect(struct Vertex* vertex, VERTTYPE* p0, short w, short h, ushort gteidx);
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extern void Emulator_GenerateTexcoordArrayTriangle(struct Vertex* vertex, unsigned char* uv0, unsigned char* uv1, unsigned char* uv2, short page, short clut, unsigned char dither);
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extern void Emulator_GenerateTexcoordArrayQuad(struct Vertex* vertex, unsigned char* uv0, unsigned char* uv1, unsigned char* uv2, unsigned char* uv3, short page, short clut, unsigned char dither);
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extern void Emulator_GenerateTexcoordArrayRect(struct Vertex* vertex, unsigned char* uv, short page, short clut, short w, short h);
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extern void Emulator_GenerateTexcoordArrayLineZero(struct Vertex* vertex, unsigned char dither);
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extern void Emulator_GenerateTexcoordArrayTriangleZero(struct Vertex* vertex, unsigned char dither);
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extern void Emulator_GenerateTexcoordArrayQuadZero(struct Vertex* vertex, unsigned char dither);
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extern void Emulator_GenerateColourArrayLine(struct Vertex* vertex, unsigned char* col0, unsigned char* col1);
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extern void Emulator_GenerateColourArrayTriangle(struct Vertex* vertex, unsigned char* col0, unsigned char* col1, unsigned char* col2);
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extern void Emulator_GenerateColourArrayQuad(struct Vertex* vertex, unsigned char* col0, unsigned char* col1, unsigned char* col2, unsigned char* col3);
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extern void Emulator_DestroyTexture(TextureID texture);
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extern void Emulator_Clear(int x, int y, int w, int h, unsigned char r, unsigned char g, unsigned char b);
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extern void Emulator_SetViewPort(int x, int y, int width, int height);
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extern void Emulator_SetTexture(TextureID texture, TexFormat texFormat);
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extern void Emulator_SetupClipMode(const RECT16& rect);
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extern void Emulator_SetRenderTarget(const RenderTargetID& render_target);
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extern void Emulator_SetWireframe(bool enable);
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extern void Emulator_UpdateVertexBuffer(const Vertex* vertices, int count);
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extern void Emulator_DrawTriangles(int start_vertex, int triangles);
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#if defined(D3D9)
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extern IDirect3DDevice9* d3ddev;
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#endif
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#endif |