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GX backend updates

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This commit is contained in:
Jack Andersen
2015-10-16 16:06:27 -10:00
parent f2c77a62fc
commit 5b88fa6af4
6 changed files with 232 additions and 74 deletions
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149
hecl/include/HECL/Backend/GX.hpp
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@@ -2,7 +2,7 @@
#define HECLBACKEND_GX_HPP
#include "Backend.hpp"
#include <Athena/Types.hpp>
#include <Athena/DNA.hpp>
#include <stdint.h>
#include <stdlib.h>
#include <algorithm>
@@ -14,6 +14,14 @@ namespace Backend
struct GX : IBackend
{
enum AttrType
{
NONE,
DIRECT,
INDEX8,
INDEX16
};
enum TevOp
{
TEV_ADD = 0,
@@ -30,6 +38,36 @@ struct GX : IBackend
TEV_COMP_A8_EQ = TEV_COMP_RGB8_EQ // for alpha channel
};
enum TevBias
{
TB_ZERO = 0,
TB_ADDHALF = 1,
TB_SUBHALF = 2,
};
enum TevScale
{
CS_SCALE_1 = 0,
CS_SCALE_2 = 1,
CS_SCALE_4 = 2,
CS_DIVIDE_2 = 3
};
enum TexGenType
{
TG_MTX3x4 = 0,
TG_MTX2x4,
TG_BUMP0,
TG_BUMP1,
TG_BUMP2,
TG_BUMP3,
TG_BUMP4,
TG_BUMP5,
TG_BUMP6,
TG_BUMP7,
TG_SRTG
};
enum TevRegID
{
TEVPREV = 0,
@@ -189,6 +227,56 @@ struct GX : IBackend
IDENTITY = 60
};
enum PTTexMtx
{
PTTEXMTX0 = 64,
PTTEXMTX1 = 67,
PTTEXMTX2 = 70,
PTTEXMTX3 = 73,
PTTEXMTX4 = 76,
PTTEXMTX5 = 79,
PTTEXMTX6 = 82,
PTTEXMTX7 = 85,
PTTEXMTX8 = 88,
PTTEXMTX9 = 91,
PTTEXMTX10 = 94,
PTTEXMTX11 = 97,
PTTEXMTX12 = 100,
PTTEXMTX13 = 103,
PTTEXMTX14 = 106,
PTTEXMTX15 = 109,
PTTEXMTX16 = 112,
PTTEXMTX17 = 115,
PTTEXMTX18 = 118,
PTTEXMTX19 = 121,
PTIDENTITY = 125
};
enum DiffuseFn
{
DF_NONE = 0,
DF_SIGN,
DF_CLAMP
};
enum AttnFn
{
AF_SPEC = 0,
AF_SPOT = 1,
AF_NONE
};
enum Primitive
{
POINTS = 0xb8,
LINES = 0xa8,
LINESTRIP = 0xb0,
TRIANGLES = 0x90,
TRIANGLESTRIP = 0x98,
TRIANGLEFAN = 0xa0,
QUADS = 0x80
};
struct TexCoordGen
{
TexGenSrc m_src = TG_TEX0;
@@ -207,15 +295,18 @@ struct GX : IBackend
struct TEVStage
{
TevOp m_op = TEV_ADD;
TevOp m_cop = TEV_ADD;
TevOp m_aop = TEV_ADD;
TevColorArg m_color[4] = {CC_ZERO, CC_ZERO, CC_ZERO, CC_ZERO};
TevAlphaArg m_alpha[4] = {CA_ZERO, CA_ZERO, CA_ZERO, CA_ZERO};
TevKColorSel m_kColor = TEV_KCSEL_1;
TevKAlphaSel m_kAlpha = TEV_KASEL_1;
TevRegID m_regOut = TEVPREV;
TevRegID m_cRegOut = TEVPREV;
TevRegID m_aRegOut = TEVPREV;
int m_lazyCInIdx = -1;
int m_lazyAInIdx = -1;
int m_lazyOutIdx = -1;
int m_lazyCOutIdx = -1;
int m_lazyAOutIdx = -1;
int m_texMapIdx = -1;
int m_texGenIdx = -1;
@@ -240,6 +331,9 @@ struct GX : IBackend
int m_cRegMask = 0;
int m_cRegLazy = 0;
int m_aRegMask = 0;
int m_aRegLazy = 0;
int pickCLazy(Diagnostics& diag, const SourceLocation& loc, int stageIdx) const
{
int regMask = m_cRegMask;
@@ -248,17 +342,11 @@ struct GX : IBackend
const TEVStage& stage = m_tevs[i];
for (int c=0 ; c<4 ; ++c)
{
if (stage.m_color[c] == CC_C0 ||
stage.m_color[c] == CC_A0 ||
stage.m_alpha[c] == CA_A0)
if (stage.m_color[c] == CC_C0)
regMask |= 1;
if (stage.m_color[c] == CC_C1 ||
stage.m_color[c] == CC_A1 ||
stage.m_alpha[c] == CA_A1)
if (stage.m_color[c] == CC_C1)
regMask |= 2;
if (stage.m_color[c] == CC_C2 ||
stage.m_color[c] == CC_A2 ||
stage.m_alpha[c] == CA_A2)
if (stage.m_color[c] == CC_C2)
regMask |= 4;
}
}
@@ -271,6 +359,34 @@ struct GX : IBackend
return -1;
}
int pickALazy(Diagnostics& diag, const SourceLocation& loc, int stageIdx) const
{
int regMask = m_aRegMask;
for (int i=stageIdx+1 ; i<int(m_tevCount) ; ++i)
{
const TEVStage& stage = m_tevs[i];
for (int c=0 ; c<4 ; ++c)
{
if (stage.m_color[c] == CC_A0 ||
stage.m_alpha[c] == CA_A0)
regMask |= 1;
if (stage.m_color[c] == CC_A1 ||
stage.m_alpha[c] == CA_A1)
regMask |= 2;
if (stage.m_color[c] == CC_A2 ||
stage.m_alpha[c] == CA_A2)
regMask |= 4;
}
}
for (int i=0 ; i<3 ; ++i)
if (!(regMask & (1 << i)))
return i;
diag.reportBackendErr(loc, "TEV A Register overflow");
return -1;
}
enum BlendFactor
{
BL_ZERO,
@@ -285,7 +401,7 @@ struct GX : IBackend
BlendFactor m_blendSrc;
BlendFactor m_blendDst;
struct Color
struct Color : Athena::io::DNA<Athena::BigEndian>
{
union
{
@@ -315,6 +431,11 @@ struct GX : IBackend
bool operator!=(const Color& other) const {return num != other.num;}
uint8_t operator[](size_t idx) const {return color[idx];}
uint8_t& operator[](size_t idx) {return color[idx];}
void read(Athena::io::IStreamReader& reader)
{reader.readUBytesToBuf(&num, 4);}
void write(Athena::io::IStreamWriter& writer) const
{writer.writeUBytes(reinterpret_cast<const atUint8*>(&num), 4);}
};
unsigned m_kcolorCount = 0;
Color m_kcolors[4];