294 lines
8.0 KiB
C
294 lines
8.0 KiB
C
#pragma once
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#include "3ds/gpu/registers.h"
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//GPU
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void GPU_Init(Handle *gsphandle);
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void GPU_Reset(u32* gxbuf, u32* gpuBuf, u32 gpuBufSize);
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//GPUCMD
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#define GPUCMD_HEADER(incremental, mask, reg) (((incremental)<<31)|(((mask)&0xF)<<16)|((reg)&0x3FF))
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void GPUCMD_SetBuffer(u32* adr, u32 size, u32 offset);
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void GPUCMD_SetBufferOffset(u32 offset);
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void GPUCMD_GetBuffer(u32** adr, u32* size, u32* offset);
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void GPUCMD_AddRawCommands(u32* cmd, u32 size);
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void GPUCMD_Run(u32* gxbuf);
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void GPUCMD_FlushAndRun(u32* gxbuf);
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void GPUCMD_Add(u32 header, u32* param, u32 paramlength);
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void GPUCMD_Finalize();
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#define GPUCMD_AddSingleParam(header, param) GPUCMD_Add((header), (u32[]){(u32)(param)}, 1)
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#define GPUCMD_AddMaskedWrite(reg, mask, val) GPUCMD_AddSingleParam(GPUCMD_HEADER(0, (mask), (reg)), (val))
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#define GPUCMD_AddWrite(reg, val) GPUCMD_AddMaskedWrite((reg), 0xF, (val))
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#define GPUCMD_AddMaskedWrites(reg, mask, vals, num) GPUCMD_Add(GPUCMD_HEADER(0, (mask), (reg)), (vals), (num))
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#define GPUCMD_AddWrites(reg, vals, num) GPUCMD_AddMaskedWrites((reg), 0xF, (vals), (num))
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#define GPUCMD_AddMaskedIncrementalWrites(reg, mask, vals, num) GPUCMD_Add(GPUCMD_HEADER(1, (mask), (reg)), (vals), (num))
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#define GPUCMD_AddIncrementalWrites(reg, vals, num) GPUCMD_AddMaskedIncrementalWrites((reg), 0xF, (vals), (num))
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//tex param
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#define GPU_TEXTURE_MAG_FILTER(v) (((v)&0x1)<<1) //takes a GPU_TEXTURE_FILTER_PARAM
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#define GPU_TEXTURE_MIN_FILTER(v) (((v)&0x1)<<2) //takes a GPU_TEXTURE_FILTER_PARAM
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#define GPU_TEXTURE_WRAP_S(v) (((v)&0x3)<<8) //takes a GPU_TEXTURE_WRAP_PARAM
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#define GPU_TEXTURE_WRAP_T(v) (((v)&0x3)<<12) //takes a GPU_TEXTURE_WRAP_PARAM
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typedef enum
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{
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GPU_NEAREST = 0x0,
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GPU_LINEAR = 0x1,
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}GPU_TEXTURE_FILTER_PARAM;
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typedef enum
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{
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GPU_CLAMP_TO_EDGE = 0x0,
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GPU_CLAMP_TO_BORDER = 0x1,
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GPU_REPEAT = 0x2,
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GPU_MIRRORED_REPEAT = 0x3,
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}GPU_TEXTURE_WRAP_PARAM;
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typedef enum
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{
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GPU_TEXUNIT0 = 0x1,
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GPU_TEXUNIT1 = 0x2,
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GPU_TEXUNIT2 = 0x4
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} GPU_TEXUNIT;
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typedef enum{
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GPU_RGBA8=0x0,
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GPU_RGB8=0x1,
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GPU_RGBA5551=0x2,
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GPU_RGB565=0x3,
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GPU_RGBA4=0x4,
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GPU_LA8=0x5,
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GPU_HILO8=0x6,
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GPU_L8=0x7,
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GPU_A8=0x8,
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GPU_LA4=0x9,
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GPU_L4=0xA,
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GPU_ETC1=0xB,
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GPU_ETC1A4=0xC
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}GPU_TEXCOLOR;
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typedef enum
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{
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GPU_NEVER = 0,
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GPU_ALWAYS = 1,
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GPU_EQUAL = 2,
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GPU_NOTEQUAL = 3,
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GPU_LESS = 4,
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GPU_LEQUAL = 5,
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GPU_GREATER = 6,
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GPU_GEQUAL = 7
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}GPU_TESTFUNC;
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typedef enum
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{
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GPU_SCISSOR_DISABLE = 0, // disable scissor test
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GPU_SCISSOR_INVERT = 1, // exclude pixels inside the scissor box
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// 2 is the same as 0
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GPU_SCISSOR_NORMAL = 3, // exclude pixels outside of the scissor box
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} GPU_SCISSORMODE;
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typedef enum
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{
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GPU_KEEP = 0, // keep destination value
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GPU_AND_NOT = 1, // destination & ~source
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GPU_XOR = 5, // destination ^ source
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// 2 is the same as 1. Other values are too weird to even be usable.
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} GPU_STENCILOP;
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typedef enum
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{
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GPU_WRITE_RED = 0x01,
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GPU_WRITE_GREEN = 0x02,
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GPU_WRITE_BLUE = 0x04,
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GPU_WRITE_ALPHA = 0x08,
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GPU_WRITE_DEPTH = 0x10,
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GPU_WRITE_COLOR = 0x0F,
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GPU_WRITE_ALL = 0x1F
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} GPU_WRITEMASK;
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typedef enum
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{
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GPU_BLEND_ADD = 0,
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GPU_BLEND_SUBTRACT = 1,
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GPU_BLEND_REVERSE_SUBTRACT = 2,
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GPU_BLEND_MIN = 3,
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GPU_BLEND_MAX = 4
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} GPU_BLENDEQUATION;
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typedef enum
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{
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GPU_ZERO = 0,
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GPU_ONE = 1,
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GPU_SRC_COLOR = 2,
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GPU_ONE_MINUS_SRC_COLOR = 3,
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GPU_DST_COLOR = 4,
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GPU_ONE_MINUS_DST_COLOR = 5,
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GPU_SRC_ALPHA = 6,
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GPU_ONE_MINUS_SRC_ALPHA = 7,
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GPU_DST_ALPHA = 8,
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GPU_ONE_MINUS_DST_ALPHA = 9,
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GPU_CONSTANT_COLOR = 10,
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GPU_ONE_MINUS_CONSTANT_COLOR = 11,
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GPU_CONSTANT_ALPHA = 12,
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GPU_ONE_MINUS_CONSTANT_ALPHA = 13,
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GPU_SRC_ALPHA_SATURATE = 14
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} GPU_BLENDFACTOR;
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typedef enum
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{
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GPU_LOGICOP_CLEAR = 0,
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GPU_LOGICOP_AND = 1,
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GPU_LOGICOP_AND_REVERSE = 2,
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GPU_LOGICOP_COPY = 3,
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GPU_LOGICOP_SET = 4,
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GPU_LOGICOP_COPY_INVERTED = 5,
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GPU_LOGICOP_NOOP = 6,
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GPU_LOGICOP_INVERT = 7,
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GPU_LOGICOP_NAND = 8,
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GPU_LOGICOP_OR = 9,
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GPU_LOGICOP_NOR = 10,
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GPU_LOGICOP_XOR = 11,
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GPU_LOGICOP_EQUIV = 12,
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GPU_LOGICOP_AND_INVERTED = 13,
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GPU_LOGICOP_OR_REVERSE = 14,
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GPU_LOGICOP_OR_INVERTED = 15
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} GPU_LOGICOP;
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typedef enum{
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GPU_BYTE = 0,
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GPU_UNSIGNED_BYTE = 1,
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GPU_SHORT = 2,
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GPU_FLOAT = 3
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}GPU_FORMATS;
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//defines for CW ?
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typedef enum{
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GPU_CULL_NONE = 0,
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GPU_CULL_FRONT_CCW = 1,
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GPU_CULL_BACK_CCW = 2
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}GPU_CULLMODE;
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#define GPU_ATTRIBFMT(i, n, f) (((((n)-1)<<2)|((f)&3))<<((i)*4))
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/**
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* Texture combiners sources
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*/
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typedef enum{
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GPU_PRIMARY_COLOR = 0x00,
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GPU_TEXTURE0 = 0x03,
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GPU_TEXTURE1 = 0x04,
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GPU_TEXTURE2 = 0x05,
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GPU_TEXTURE3 = 0x06,
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GPU_CONSTANT = 0x0E,
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GPU_PREVIOUS = 0x0F,
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}GPU_TEVSRC;
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/**
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* Texture RGB combiners operands
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*/
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typedef enum{
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GPU_TEVOP_RGB_SRC_COLOR = 0x00,
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GPU_TEVOP_RGB_ONE_MINUS_SRC_COLOR = 0x01,
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GPU_TEVOP_RGB_SRC_ALPHA = 0x02,
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GPU_TEVOP_RGB_ONE_MINUS_SRC_ALPHA = 0x03,
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GPU_TEVOP_RGB_SRC0_RGB = 0x04,
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GPU_TEVOP_RGB_0x05 = 0x05,
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GPU_TEVOP_RGB_0x06 = 0x06,
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GPU_TEVOP_RGB_0x07 = 0x07,
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GPU_TEVOP_RGB_SRC1_RGB = 0x08,
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GPU_TEVOP_RGB_0x09 = 0x09,
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GPU_TEVOP_RGB_0x0A = 0x0A,
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GPU_TEVOP_RGB_0x0B = 0x0B,
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GPU_TEVOP_RGB_SRC2_RGB = 0x0C,
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GPU_TEVOP_RGB_0x0D = 0x0D,
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GPU_TEVOP_RGB_0x0E = 0x0E,
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GPU_TEVOP_RGB_0x0F = 0x0F,
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}GPU_TEVOP_RGB;
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/**
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* Texture ALPHA combiners operands
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*/
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typedef enum{
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GPU_TEVOP_A_SRC_ALPHA = 0x00,
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GPU_TEVOP_A_ONE_MINUS_SRC_ALPHA = 0x01,
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GPU_TEVOP_A_SRC0_RGB = 0x02,
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GPU_TEVOP_A_SRC1_RGB = 0x04,
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GPU_TEVOP_A_SRC2_RGB = 0x06,
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}GPU_TEVOP_A;
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/**
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* Texture combiner functions
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*/
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typedef enum{
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GPU_REPLACE = 0x00,
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GPU_MODULATE = 0x01,
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GPU_ADD = 0x02,
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GPU_ADD_SIGNED = 0x03,
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GPU_INTERPOLATE = 0x04,
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GPU_SUBTRACT = 0x05,
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GPU_DOT3_RGB = 0x06 //RGB only
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}GPU_COMBINEFUNC;
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#define GPU_TEVSOURCES(a,b,c) (((a))|((b)<<4)|((c)<<8))
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#define GPU_TEVOPERANDS(a,b,c) (((a))|((b)<<4)|((c)<<8))
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typedef enum{
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GPU_TRIANGLES = 0x0000,
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GPU_TRIANGLE_STRIP = 0x0100,
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GPU_TRIANGLE_FAN = 0x0200,
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GPU_UNKPRIM = 0x0300 // ?
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}GPU_Primitive_t;
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typedef enum{
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GPU_VERTEX_SHADER=0x0,
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GPU_GEOMETRY_SHADER=0x1
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}GPU_SHADER_TYPE;
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void GPU_SetFloatUniform(GPU_SHADER_TYPE type, u32 startreg, u32* data, u32 numreg);
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void GPU_SetViewport(u32* depthBuffer, u32* colorBuffer, u32 x, u32 y, u32 w, u32 h);
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void GPU_SetScissorTest(GPU_SCISSORMODE mode, u32 x, u32 y, u32 w, u32 h);
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void GPU_DepthMap(float zScale, float zOffset);
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void GPU_SetAlphaTest(bool enable, GPU_TESTFUNC function, u8 ref);
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void GPU_SetDepthTestAndWriteMask(bool enable, GPU_TESTFUNC function, GPU_WRITEMASK writemask); // GPU_WRITEMASK values can be ORed together
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void GPU_SetStencilTest(bool enable, GPU_TESTFUNC function, u8 ref, u8 mask, u8 replace);
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void GPU_SetStencilOp(GPU_STENCILOP sfail, GPU_STENCILOP dfail, GPU_STENCILOP pass);
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void GPU_SetFaceCulling(GPU_CULLMODE mode);
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// these two can't be used together
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void GPU_SetAlphaBlending(GPU_BLENDEQUATION colorEquation, GPU_BLENDEQUATION alphaEquation,
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GPU_BLENDFACTOR colorSrc, GPU_BLENDFACTOR colorDst,
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GPU_BLENDFACTOR alphaSrc, GPU_BLENDFACTOR alphaDst);
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void GPU_SetColorLogicOp(GPU_LOGICOP op);
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void GPU_SetBlendingColor(u8 r, u8 g, u8 b, u8 a);
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void GPU_SetAttributeBuffers(u8 totalAttributes, u32* baseAddress, u64 attributeFormats, u16 attributeMask, u64 attributePermutation, u8 numBuffers, u32 bufferOffsets[], u64 bufferPermutations[], u8 bufferNumAttributes[]);
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void GPU_SetTextureEnable(GPU_TEXUNIT units); // GPU_TEXUNITx values can be ORed together to enable multiple texture units
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void GPU_SetTexture(GPU_TEXUNIT unit, u32* data, u16 width, u16 height, u32 param, GPU_TEXCOLOR colorType);
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/**
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* @param borderColor The color used for the border when using the @ref GPU_CLAMP_TO_BORDER wrap mode
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*/
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void GPU_SetTextureBorderColor(GPU_TEXUNIT unit,u32 borderColor);
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void GPU_SetTexEnv(u8 id, u16 rgbSources, u16 alphaSources, u16 rgbOperands, u16 alphaOperands, GPU_COMBINEFUNC rgbCombine, GPU_COMBINEFUNC alphaCombine, u32 constantColor);
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void GPU_DrawArray(GPU_Primitive_t primitive, u32 n);
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void GPU_DrawElements(GPU_Primitive_t primitive, u32* indexArray, u32 n);
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void GPU_FinishDrawing();
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void GPU_SetShaderOutmap(u32 outmapData[8]);
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void GPU_SendShaderCode(GPU_SHADER_TYPE type, u32* data, u16 offset, u16 length);
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void GPU_SendOperandDescriptors(GPU_SHADER_TYPE type, u32* data, u16 offset, u16 length);
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