/**********************************************************
* Copyright 2007-2014 VMware, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
**********************************************************/
/*
* svga3d_shaderdefs.h --
*
* SVGA3D byte code format and limit definitions.
*
* The format of the byte code directly corresponds to that defined
* by Microsoft DirectX SDK 9.0c (file d3d9types.h). The format can
* also be extended so that different shader formats can be supported
* for example GLSL, ARB vp/fp, NV/ATI shader formats, etc.
*
*/
#ifndef __SVGA3D_SHADER_DEFS__
#define __SVGA3D_SHADER_DEFS__
/* SVGA3D shader hardware limits. */
#define SVGA3D_INPUTREG_MAX 16
#define SVGA3D_OUTPUTREG_MAX 12
#define SVGA3D_VERTEX_SAMPLERREG_MAX 4
#define SVGA3D_PIXEL_SAMPLERREG_MAX 16
#define SVGA3D_SAMPLERREG_MAX (SVGA3D_PIXEL_SAMPLERREG_MAX+\
SVGA3D_VERTEX_SAMPLERREG_MAX)
#define SVGA3D_TEMPREG_MAX 32
#define SVGA3D_CONSTREG_MAX 256
#define SVGA3D_CONSTINTREG_MAX 16
#define SVGA3D_CONSTBOOLREG_MAX 16
#define SVGA3D_ADDRREG_MAX 1
#define SVGA3D_PREDREG_MAX 1
/* SVGA3D byte code specific limits */
#define SVGA3D_MAX_SRC_REGS 4
#define SVGA3D_MAX_NESTING_LEVEL 32
/* SVGA3D version information. */
#define SVGA3D_VS_TYPE 0xFFFE
#define SVGA3D_PS_TYPE 0xFFFF
typedef struct {
union {
struct {
uint32 minor : 8;
uint32 major : 8;
uint32 type : 16;
};
uint32 value;
};
} SVGA3dShaderVersion;
#define SVGA3D_VS_10 ((SVGA3D_VS_TYPE << 16) | 1 << 8)
#define SVGA3D_VS_11 (SVGA3D_VS_10 | 1)
#define SVGA3D_VS_20 ((SVGA3D_VS_TYPE << 16) | 2 << 8)
#define SVGA3D_VS_21 (SVGA3D_VS_20 | 1)
#define SVGA3D_VS_30 ((SVGA3D_VS_TYPE << 16) | 3 << 8)
#define SVGA3D_PS_10 ((SVGA3D_PS_TYPE << 16) | 1 << 8)
#define SVGA3D_PS_11 (SVGA3D_PS_10 | 1)
#define SVGA3D_PS_12 (SVGA3D_PS_10 | 2)
#define SVGA3D_PS_13 (SVGA3D_PS_10 | 3)
#define SVGA3D_PS_14 (SVGA3D_PS_10 | 4)
#define SVGA3D_PS_20 ((SVGA3D_PS_TYPE << 16) | 2 << 8)
#define SVGA3D_PS_21 (SVGA3D_PS_20 | 1)
#define SVGA3D_PS_30 ((SVGA3D_PS_TYPE << 16) | 3 << 8)
/* The *_ENABLED are for backwards compatibility with old drivers */
typedef enum {
SVGA3DPSVERSION_NONE = 0,
SVGA3DPSVERSION_ENABLED = 1,
SVGA3DPSVERSION_11 = 3,
SVGA3DPSVERSION_12 = 5,
SVGA3DPSVERSION_13 = 7,
SVGA3DPSVERSION_14 = 9,
SVGA3DPSVERSION_20 = 11,
SVGA3DPSVERSION_30 = 13,
SVGA3DPSVERSION_40 = 15,
SVGA3DPSVERSION_MAX
} SVGA3dPixelShaderVersion;
typedef enum {
SVGA3DVSVERSION_NONE = 0,
SVGA3DVSVERSION_ENABLED = 1,
SVGA3DVSVERSION_11 = 3,
SVGA3DVSVERSION_20 = 5,
SVGA3DVSVERSION_30 = 7,
SVGA3DVSVERSION_40 = 9,
SVGA3DVSVERSION_MAX
} SVGA3dVertexShaderVersion;
/* SVGA3D instruction op codes. */
typedef enum {
SVGA3DOP_NOP = 0,
SVGA3DOP_MOV,
SVGA3DOP_ADD,
SVGA3DOP_SUB,
SVGA3DOP_MAD,
SVGA3DOP_MUL,
SVGA3DOP_RCP,
SVGA3DOP_RSQ,
SVGA3DOP_DP3,
SVGA3DOP_DP4,
SVGA3DOP_MIN,
SVGA3DOP_MAX,
SVGA3DOP_SLT,
SVGA3DOP_SGE,
SVGA3DOP_EXP,
SVGA3DOP_LOG,
SVGA3DOP_LIT,
SVGA3DOP_DST,
SVGA3DOP_LRP,
SVGA3DOP_FRC,
SVGA3DOP_M4x4,
SVGA3DOP_M4x3,
SVGA3DOP_M3x4,
SVGA3DOP_M3x3,
SVGA3DOP_M3x2,
SVGA3DOP_CALL,
SVGA3DOP_CALLNZ,
SVGA3DOP_LOOP,
SVGA3DOP_RET,
SVGA3DOP_ENDLOOP,
SVGA3DOP_LABEL,
SVGA3DOP_DCL,
SVGA3DOP_POW,
SVGA3DOP_CRS,
SVGA3DOP_SGN,
SVGA3DOP_ABS,
SVGA3DOP_NRM,
SVGA3DOP_SINCOS,
SVGA3DOP_REP,
SVGA3DOP_ENDREP,
SVGA3DOP_IF,
SVGA3DOP_IFC,
SVGA3DOP_ELSE,
SVGA3DOP_ENDIF,
SVGA3DOP_BREAK,
SVGA3DOP_BREAKC,
SVGA3DOP_MOVA,
SVGA3DOP_DEFB,
SVGA3DOP_DEFI,
SVGA3DOP_TEXCOORD = 64,
SVGA3DOP_TEXKILL,
SVGA3DOP_TEX,
SVGA3DOP_TEXBEM,
SVGA3DOP_TEXBEML,
SVGA3DOP_TEXREG2AR,
SVGA3DOP_TEXREG2GB = 70,
SVGA3DOP_TEXM3x2PAD,
SVGA3DOP_TEXM3x2TEX,
SVGA3DOP_TEXM3x3PAD,
SVGA3DOP_TEXM3x3TEX,
SVGA3DOP_RESERVED0,
SVGA3DOP_TEXM3x3SPEC,
SVGA3DOP_TEXM3x3VSPEC,
SVGA3DOP_EXPP,
SVGA3DOP_LOGP,
SVGA3DOP_CND = 80,
SVGA3DOP_DEF,
SVGA3DOP_TEXREG2RGB,
SVGA3DOP_TEXDP3TEX,
SVGA3DOP_TEXM3x2DEPTH,
SVGA3DOP_TEXDP3,
SVGA3DOP_TEXM3x3,
SVGA3DOP_TEXDEPTH,
SVGA3DOP_CMP,
SVGA3DOP_BEM,
SVGA3DOP_DP2ADD = 90,
SVGA3DOP_DSX,
SVGA3DOP_DSY,
SVGA3DOP_TEXLDD,
SVGA3DOP_SETP,
SVGA3DOP_TEXLDL,
SVGA3DOP_BREAKP = 96,
SVGA3DOP_LAST_INST,
SVGA3DOP_PHASE = 0xFFFD,
SVGA3DOP_COMMENT = 0xFFFE,
SVGA3DOP_END = 0xFFFF,
} SVGA3dShaderOpCodeType;
/* SVGA3D operation control/comparison function types */
typedef enum {
SVGA3DOPCONT_NONE,
SVGA3DOPCONT_PROJECT, /* Projective texturing */
SVGA3DOPCONT_BIAS, /* Texturing with a LOD bias */
} SVGA3dShaderOpCodeControlFnType;
typedef enum {
SVGA3DOPCOMP_RESERVED0 = 0,
SVGA3DOPCOMP_GT,
SVGA3DOPCOMP_EQ,
SVGA3DOPCOMP_GE,
SVGA3DOPCOMP_LT,
SVGA3DOPCOMPC_NE,
SVGA3DOPCOMP_LE,
SVGA3DOPCOMP_RESERVED1
} SVGA3dShaderOpCodeCompFnType;
/* SVGA3D register types */
typedef enum {
SVGA3DREG_TEMP = 0, /* Temporary register file */
SVGA3DREG_INPUT, /* Input register file */
SVGA3DREG_CONST, /* Constant register file */
SVGA3DREG_ADDR, /* Address register for VS */
SVGA3DREG_TEXTURE = 3, /* Texture register file for PS */
SVGA3DREG_RASTOUT, /* Rasterizer register file */
SVGA3DREG_ATTROUT, /* Attribute output register file */
SVGA3DREG_TEXCRDOUT, /* Texture coordinate output register file */
SVGA3DREG_OUTPUT = 6, /* Output register file for VS 3.0+ */
SVGA3DREG_CONSTINT, /* Constant integer vector register file */
SVGA3DREG_COLOROUT, /* Color output register file */
SVGA3DREG_DEPTHOUT, /* Depth output register file */
SVGA3DREG_SAMPLER, /* Sampler state register file */
SVGA3DREG_CONST2, /* Constant register file 2048 - 4095 */
SVGA3DREG_CONST3, /* Constant register file 4096 - 6143 */
SVGA3DREG_CONST4, /* Constant register file 6144 - 8191 */
SVGA3DREG_CONSTBOOL, /* Constant boolean register file */
SVGA3DREG_LOOP, /* Loop counter register file */
SVGA3DREG_TEMPFLOAT16, /* 16-bit float temp register file */
SVGA3DREG_MISCTYPE, /* Miscellaneous (single) registers */
SVGA3DREG_LABEL, /* Label */
SVGA3DREG_PREDICATE, /* Predicate register */
} SVGA3dShaderRegType;
/* SVGA3D rasterizer output register types */
typedef enum {
SVGA3DRASTOUT_POSITION = 0,
SVGA3DRASTOUT_FOG,
SVGA3DRASTOUT_PSIZE
} SVGA3dShaderRastOutRegType;
/* SVGA3D miscellaneous register types */
typedef enum {
SVGA3DMISCREG_POSITION = 0, /* Input position x,y,z,rhw (PS) */
SVGA3DMISCREG_FACE /* Floating point primitive area (PS) */
} SVGA3DShaderMiscRegType;
/* SVGA3D sampler types */
typedef enum {
SVGA3DSAMP_UNKNOWN = 0, /* Uninitialized value */
SVGA3DSAMP_2D = 2, /* dcl_2d s# (for declaring a 2D texture) */
SVGA3DSAMP_CUBE, /* dcl_cube s# (for declaring a cube texture) */
SVGA3DSAMP_VOLUME, /* dcl_volume s# (for declaring a volume texture) */
SVGA3DSAMP_2D_SHADOW, /* dcl_2d s# (for declaring a 2D shadow texture) */
SVGA3DSAMP_MAX,
} SVGA3dShaderSamplerType;
/* SVGA3D write mask */
#define SVGA3DWRITEMASK_0 1 /* Component 0 (X;Red) */
#define SVGA3DWRITEMASK_1 2 /* Component 1 (Y;Green) */
#define SVGA3DWRITEMASK_2 4 /* Component 2 (Z;Blue) */
#define SVGA3DWRITEMASK_3 8 /* Component 3 (W;Alpha) */
#define SVGA3DWRITEMASK_ALL 15 /* All components */
/* SVGA3D destination modifiers */
#define SVGA3DDSTMOD_NONE 0 /* nop */
#define SVGA3DDSTMOD_SATURATE 1 /* clamp to [0, 1] */
#define SVGA3DDSTMOD_PARTIALPRECISION 2 /* Partial precision hint */
/*
* Relevant to multisampling only:
* When the pixel center is not covered, sample
* attribute or compute gradients/LOD
* using multisample "centroid" location.
* "Centroid" is some location within the covered
* region of the pixel.
*/
#define SVGA3DDSTMOD_MSAMPCENTROID 4
/* SVGA3D destination shift scale */
typedef enum {
SVGA3DDSTSHFSCALE_X1 = 0, /* 1.0 */
SVGA3DDSTSHFSCALE_X2 = 1, /* 2.0 */
SVGA3DDSTSHFSCALE_X4 = 2, /* 4.0 */
SVGA3DDSTSHFSCALE_X8 = 3, /* 8.0 */
SVGA3DDSTSHFSCALE_D8 = 13, /* 0.125 */
SVGA3DDSTSHFSCALE_D4 = 14, /* 0.25 */
SVGA3DDSTSHFSCALE_D2 = 15 /* 0.5 */
} SVGA3dShaderDstShfScaleType;
/* SVGA3D source swizzle */
#define SVGA3DSWIZZLE_REPLICATEX 0x00
#define SVGA3DSWIZZLE_REPLICATEY 0x55
#define SVGA3DSWIZZLE_REPLICATEZ 0xAA
#define SVGA3DSWIZZLE_REPLICATEW 0xFF
#define SVGA3DSWIZZLE_NONE 0xE4
#define SVGA3DSWIZZLE_YZXW 0xC9
#define SVGA3DSWIZZLE_ZXYW 0xD2
#define SVGA3DSWIZZLE_WXYZ 0x1B
/* SVGA3D source modifiers */
typedef enum {
SVGA3DSRCMOD_NONE = 0, /* nop */
SVGA3DSRCMOD_NEG, /* negate */
SVGA3DSRCMOD_BIAS, /* bias */
SVGA3DSRCMOD_BIASNEG, /* bias and negate */
SVGA3DSRCMOD_SIGN, /* sign */
SVGA3DSRCMOD_SIGNNEG, /* sign and negate */
SVGA3DSRCMOD_COMP, /* complement */
SVGA3DSRCMOD_X2, /* x2 */
SVGA3DSRCMOD_X2NEG, /* x2 and negate */
SVGA3DSRCMOD_DZ, /* divide through by z component */
SVGA3DSRCMOD_DW, /* divide through by w component */
SVGA3DSRCMOD_ABS, /* abs() */
SVGA3DSRCMOD_ABSNEG, /* -abs() */
SVGA3DSRCMOD_NOT, /* ! (for predicate register) */
} SVGA3dShaderSrcModType;
/* SVGA3D instruction token */
typedef struct {
union {
struct {
uint32 comment_op : 16;
uint32 comment_size : 16;
};
struct {
uint32 op : 16;
uint32 control : 3;
uint32 reserved2 : 5;
uint32 size : 4;
uint32 predicated : 1;
uint32 reserved1 : 1;
uint32 coissue : 1;
uint32 reserved0 : 1;
};
uint32 value;
};
} SVGA3dShaderInstToken;
/* SVGA3D destination parameter token */
typedef struct {
union {
struct {
uint32 num : 11;
uint32 type_upper : 2;
uint32 relAddr : 1;
uint32 reserved1 : 2;
uint32 mask : 4;
uint32 dstMod : 4;
uint32 shfScale : 4;
uint32 type_lower : 3;
uint32 reserved0 : 1;
};
uint32 value;
};
} SVGA3dShaderDestToken;
/* SVGA3D source parameter token */
typedef struct {
union {
struct {
uint32 num : 11;
uint32 type_upper : 2;
uint32 relAddr : 1;
uint32 reserved1 : 2;
uint32 swizzle : 8;
uint32 srcMod : 4;
uint32 type_lower : 3;
uint32 reserved0 : 1;
};
uint32 value;
};
} SVGA3dShaderSrcToken;
/* SVGA3DOP_DCL parameter tokens */
typedef struct {
union {
struct {
union {
struct {
uint32 usage : 5;
uint32 reserved1 : 11;
uint32 index : 4;
uint32 reserved0 : 12;
}; /* input / output declaration */
struct {
uint32 reserved3 : 27;
uint32 type : 4;
uint32 reserved2 : 1;
}; /* sampler declaration */
};
SVGA3dShaderDestToken dst;
};
uint32 values[2];
};
} SVGA3DOpDclArgs;
/* SVGA3DOP_DEF parameter tokens */
typedef struct {
union {
struct {
SVGA3dShaderDestToken dst;
union {
float constValues[4];
int constIValues[4];
Bool constBValue;
};
};
uint32 values[5];
};
} SVGA3DOpDefArgs;
/* SVGA3D shader token */
typedef union {
uint32 value;
SVGA3dShaderInstToken inst;
SVGA3dShaderDestToken dest;
SVGA3dShaderSrcToken src;
} SVGA3dShaderToken;
/* SVGA3D shader program */
typedef struct {
SVGA3dShaderVersion version;
/* SVGA3dShaderToken stream */
} SVGA3dShaderProgram;
/* SVGA3D version specific register assignments */
static const uint32 SVGA3D_INPUT_REG_POSITION_VS11 = 0;
static const uint32 SVGA3D_INPUT_REG_PSIZE_VS11 = 1;
static const uint32 SVGA3D_INPUT_REG_FOG_VS11 = 3;
static const uint32 SVGA3D_INPUT_REG_FOG_MASK_VS11 = SVGA3DWRITEMASK_3;
static const uint32 SVGA3D_INPUT_REG_COLOR_BASE_VS11 = 2;
static const uint32 SVGA3D_INPUT_REG_TEXCOORD_BASE_VS11 = 4;
static const uint32 SVGA3D_INPUT_REG_COLOR_BASE_PS11 = 0;
static const uint32 SVGA3D_INPUT_REG_TEXCOORD_BASE_PS11 = 2;
static const uint32 SVGA3D_OUTPUT_REG_DEPTH_PS11 = 0;
static const uint32 SVGA3D_OUTPUT_REG_COLOR_PS11 = 1;
static const uint32 SVGA3D_INPUT_REG_COLOR_BASE_PS20 = 0;
static const uint32 SVGA3D_INPUT_REG_COLOR_NUM_PS20 = 2;
static const uint32 SVGA3D_INPUT_REG_TEXCOORD_BASE_PS20 = 2;
static const uint32 SVGA3D_INPUT_REG_TEXCOORD_NUM_PS20 = 8;
static const uint32 SVGA3D_OUTPUT_REG_COLOR_BASE_PS20 = 1;
static const uint32 SVGA3D_OUTPUT_REG_COLOR_NUM_PS20 = 4;
static const uint32 SVGA3D_OUTPUT_REG_DEPTH_BASE_PS20 = 0;
static const uint32 SVGA3D_OUTPUT_REG_DEPTH_NUM_PS20 = 1;
/*
*----------------------------------------------------------------------
*
* SVGA3dShaderGetRegType --
*
* As the register type is split into two non sequential fields,
* this function provides an useful way of accessing the actual
* register type without having to manually concatenate the
* type_upper and type_lower fields.
*
* Results:
* Returns the register type.
*
*----------------------------------------------------------------------
*/
static INLINE SVGA3dShaderRegType
SVGA3dShaderGetRegType(uint32 token)
{
SVGA3dShaderSrcToken src;
src.value = token;
return (SVGA3dShaderRegType)(src.type_upper << 3 | src.type_lower);
}
#endif /* __SVGA3D_SHADER_DEFS__ */