i915_reg.h

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

#define A0_DEST_CHANNEL_SHIFT            10
#define A0_SRC0_TYPE_SHIFT               7
#define A0_SRC0_NR_SHIFT                 2

#define A0_DEST_CHANNEL_XY              (A0_DEST_CHANNEL_X|A0_DEST_CHANNEL_Y)
#define A0_DEST_CHANNEL_XYZ             (A0_DEST_CHANNEL_XY|A0_DEST_CHANNEL_Z)


#define SRC_X        0
#define SRC_Y        1
#define SRC_Z        2
#define SRC_W        3
#define SRC_ZERO     4
#define SRC_ONE      5

#define A1_SRC0_CHANNEL_X_NEGATE         (1<<31)
#define A1_SRC0_CHANNEL_X_SHIFT          28
#define A1_SRC0_CHANNEL_Y_NEGATE         (1<<27)
#define A1_SRC0_CHANNEL_Y_SHIFT          24
#define A1_SRC0_CHANNEL_Z_NEGATE         (1<<23)
#define A1_SRC0_CHANNEL_Z_SHIFT          20
#define A1_SRC0_CHANNEL_W_NEGATE         (1<<19)
#define A1_SRC0_CHANNEL_W_SHIFT          16
#define A1_SRC1_TYPE_SHIFT               13
#define A1_SRC1_NR_SHIFT                 8
#define A1_SRC1_CHANNEL_X_NEGATE         (1<<7)
#define A1_SRC1_CHANNEL_X_SHIFT          4
#define A1_SRC1_CHANNEL_Y_NEGATE         (1<<3)
#define A1_SRC1_CHANNEL_Y_SHIFT          0

#define A2_SRC1_CHANNEL_Z_NEGATE         (1<<31)
#define A2_SRC1_CHANNEL_Z_SHIFT          28
#define A2_SRC1_CHANNEL_W_NEGATE         (1<<27)
#define A2_SRC1_CHANNEL_W_SHIFT          24
#define A2_SRC2_TYPE_SHIFT               21
#define A2_SRC2_NR_SHIFT                 16
#define A2_SRC2_CHANNEL_X_NEGATE         (1<<15)
#define A2_SRC2_CHANNEL_X_SHIFT          12
#define A2_SRC2_CHANNEL_Y_NEGATE         (1<<11)
#define A2_SRC2_CHANNEL_Y_SHIFT          8
#define A2_SRC2_CHANNEL_Z_NEGATE         (1<<7)
#define A2_SRC2_CHANNEL_Z_SHIFT          4
#define A2_SRC2_CHANNEL_W_NEGATE         (1<<3)
#define A2_SRC2_CHANNEL_W_SHIFT          0



/* Texture instructions */
#define T0_TEXLD     (0x15<<24) /* Sample texture using predeclared
                                 * sampler and address, and output
                                 * filtered texel data to destination
                                 * register */
#define T0_TEXLDP    (0x16<<24) /* Same as texld but performs a
                                 * perspective divide of the texture
                                 * coordinate .xyz values by .w before
                                 * sampling. */
#define T0_TEXLDB    (0x17<<24) /* Same as texld but biases the
                                 * computed LOD by w.  Only S4.6 two's
                                 * comp is used.  This implies that a
                                 * float to fixed conversion is
                                 * done. */
#define T0_TEXKILL   (0x18<<24) /* Does not perform a sampling
                                 * operation.  Simply kills the pixel
                                 * if any channel of the address
                                 * register is < 0.0. */
#define T0_DEST_TYPE_SHIFT                19
/* Allow: R, OC, OD, U */
/* Note: U (unpreserved) regs do not retain their values between
 * phases (cannot be used for feedback) 
 *
 * Note: oC and OD registers can only be used as the destination of a
 * texture instruction once per phase (this is an implementation
 * restriction). 
 */
#define T0_DEST_NR_SHIFT                 14
/* Allow R: 0..15, OC,OD: 0..0, U: 0..2 */
#define T0_SAMPLER_NR_SHIFT              0      /* This field ignored for TEXKILL */
#define T0_SAMPLER_NR_MASK               (0xf<<0)

#define T1_ADDRESS_REG_TYPE_SHIFT        24     /* Reg to use as texture coord */
/* Allow R, T, OC, OD -- R, OC, OD are 'dependent' reads, new program phase */
#define T1_ADDRESS_REG_NR_SHIFT          17
#define T2_MBZ                           0

/* Declaration instructions */
#define D0_DCL       (0x19<<24) /* Declare a t (interpolated attrib)
                                 * register or an s (sampler)
                                 * register. */
#define D0_SAMPLE_TYPE_SHIFT              22
#define D0_SAMPLE_TYPE_2D                 (0x0<<22)
#define D0_SAMPLE_TYPE_CUBE               (0x1<<22)
#define D0_SAMPLE_TYPE_VOLUME             (0x2<<22)
#define D0_SAMPLE_TYPE_MASK               (0x3<<22)

#define D0_TYPE_SHIFT                19
/* Allow: T, S */
#define D0_NR_SHIFT                  14
/* Allow T: 0..10, S: 0..15 */
#define D0_CHANNEL_X                (1<<10)
#define D0_CHANNEL_Y                (2<<10)
#define D0_CHANNEL_Z                (4<<10)
#define D0_CHANNEL_W                (8<<10)
#define D0_CHANNEL_ALL              (0xf<<10)
#define D0_CHANNEL_NONE             (0<<10)

#define D0_CHANNEL_XY               (D0_CHANNEL_X|D0_CHANNEL_Y)
#define D0_CHANNEL_XYZ              (D0_CHANNEL_XY|D0_CHANNEL_Z)

/* I915 Errata: Do not allow (xz), (xw), (xzw) combinations for diffuse
 * or specular declarations. 
 *
 * For T dcls, only allow: (x), (xy), (xyz), (w), (xyzw) 
 *
 * Must be zero for S (sampler) dcls
 */
#define D1_MBZ                          0
#define D2_MBZ                          0



/* p207 */
#define _3DSTATE_MAP_STATE               (CMD_3D|(0x1d<<24)|(0x0<<16))

#define MS1_MAPMASK_SHIFT               0
#define MS1_MAPMASK_MASK                (0x8fff<<0)

#define MS2_UNTRUSTED_SURFACE           (1<<31)
#define MS2_ADDRESS_MASK                0xfffffffc
#define MS2_VERTICAL_LINE_STRIDE        (1<<1)
#define MS2_VERTICAL_OFFSET             (1<<1)

#define MS3_HEIGHT_SHIFT              21
#define MS3_WIDTH_SHIFT               10
#define MS3_PALETTE_SELECT            (1<<9)
#define MS3_MAPSURF_FORMAT_SHIFT      7
#define MS3_MAPSURF_FORMAT_MASK       (0x7<<7)
#define    MAPSURF_8BIT		 	   (1<<7)
#define    MAPSURF_16BIT		   (2<<7)
#define    MAPSURF_32BIT		   (3<<7)
#define    MAPSURF_422			   (5<<7)
#define    MAPSURF_COMPRESSED		   (6<<7)
#define    MAPSURF_4BIT_INDEXED		   (7<<7)
#define MS3_MT_FORMAT_MASK         (0x7 << 3)
#define MS3_MT_FORMAT_SHIFT        3
#define    MT_4BIT_IDX_ARGB8888	           (7<<3)       /* SURFACE_4BIT_INDEXED */
#define    MT_8BIT_I8		           (0<<3)       /* SURFACE_8BIT */
#define    MT_8BIT_L8		           (1<<3)
#define    MT_8BIT_A8		           (4<<3)
#define    MT_8BIT_MONO8	           (5<<3)
#define    MT_16BIT_RGB565 		   (0<<3)       /* SURFACE_16BIT */
#define    MT_16BIT_ARGB1555		   (1<<3)
#define    MT_16BIT_ARGB4444		   (2<<3)
#define    MT_16BIT_AY88		   (3<<3)
#define    MT_16BIT_88DVDU	           (5<<3)
#define    MT_16BIT_BUMP_655LDVDU	   (6<<3)
#define    MT_16BIT_I16	                   (7<<3)
#define    MT_16BIT_L16	                   (8<<3)
#define    MT_16BIT_A16	                   (9<<3)
#define    MT_32BIT_ARGB8888		   (0<<3)       /* SURFACE_32BIT */
#define    MT_32BIT_ABGR8888		   (1<<3)
#define    MT_32BIT_XRGB8888		   (2<<3)
#define    MT_32BIT_XBGR8888		   (3<<3)
#define    MT_32BIT_QWVU8888		   (4<<3)
#define    MT_32BIT_AXVU8888		   (5<<3)
#define    MT_32BIT_LXVU8888	           (6<<3)
#define    MT_32BIT_XLVU8888	           (7<<3)
#define    MT_32BIT_ARGB2101010	           (8<<3)
#define    MT_32BIT_ABGR2101010	           (9<<3)
#define    MT_32BIT_AWVU2101010	           (0xA<<3)
#define    MT_32BIT_GR1616	           (0xB<<3)
#define    MT_32BIT_VU1616	           (0xC<<3)
#define    MT_32BIT_xI824	           (0xD<<3)
#define    MT_32BIT_xA824	           (0xE<<3)
#define    MT_32BIT_xL824	           (0xF<<3)
#define    MT_422_YCRCB_SWAPY	           (0<<3)       /* SURFACE_422 */
#define    MT_422_YCRCB_NORMAL	           (1<<3)
#define    MT_422_YCRCB_SWAPUV	           (2<<3)
#define    MT_422_YCRCB_SWAPUVY	           (3<<3)
#define    MT_COMPRESS_DXT1		   (0<<3)       /* SURFACE_COMPRESSED */
#define    MT_COMPRESS_DXT2_3	           (1<<3)
#define    MT_COMPRESS_DXT4_5	           (2<<3)
#define    MT_COMPRESS_FXT1		   (3<<3)
#define    MT_COMPRESS_DXT1_RGB		   (4<<3)
#define MS3_USE_FENCE_REGS              (1<<2)
#define MS3_TILED_SURFACE             (1<<1)
#define MS3_TILE_WALK                 (1<<0)

#define MS4_PITCH_SHIFT                 21
#define MS4_CUBE_FACE_ENA_NEGX          (1<<20)
#define MS4_CUBE_FACE_ENA_POSX          (1<<19)
#define MS4_CUBE_FACE_ENA_NEGY          (1<<18)
#define MS4_CUBE_FACE_ENA_POSY          (1<<17)
#define MS4_CUBE_FACE_ENA_NEGZ          (1<<16)
#define MS4_CUBE_FACE_ENA_POSZ          (1<<15)
#define MS4_CUBE_FACE_ENA_MASK          (0x3f<<15)
#define MS4_MAX_LOD_SHIFT		9
#define MS4_MAX_LOD_MASK		(0x3f<<9)
#define MS4_MIP_LAYOUT_LEGACY           (0<<8)
#define MS4_MIP_LAYOUT_BELOW_LPT        (0<<8)
#define MS4_MIP_LAYOUT_RIGHT_LPT        (1<<8)
#define MS4_VOLUME_DEPTH_SHIFT          0
#define MS4_VOLUME_DEPTH_MASK           (0xff<<0)

/* p244 */
#define _3DSTATE_SAMPLER_STATE         (CMD_3D|(0x1d<<24)|(0x1<<16))

#define SS1_MAPMASK_SHIFT               0
#define SS1_MAPMASK_MASK                (0x8fff<<0)

#define SS2_REVERSE_GAMMA_ENABLE        (1<<31)
#define SS2_PACKED_TO_PLANAR_ENABLE     (1<<30)
#define SS2_COLORSPACE_CONVERSION       (1<<29)
#define SS2_CHROMAKEY_SHIFT             27
#define SS2_BASE_MIP_LEVEL_SHIFT        22
#define SS2_BASE_MIP_LEVEL_MASK         (0x1f<<22)
#define SS2_MIP_FILTER_SHIFT            20
#define SS2_MIP_FILTER_MASK             (0x3<<20)
#define   MIPFILTER_NONE       	0
#define   MIPFILTER_NEAREST	1
#define   MIPFILTER_LINEAR	3
#define SS2_MAG_FILTER_SHIFT          17
#define SS2_MAG_FILTER_MASK           (0x7<<17)
#define   FILTER_NEAREST	0
#define   FILTER_LINEAR		1
#define   FILTER_ANISOTROPIC	2
#define   FILTER_4X4_1    	3
#define   FILTER_4X4_2    	4
#define   FILTER_4X4_FLAT 	5
#define   FILTER_6X5_MONO   	6       /* XXX - check */
#define SS2_MIN_FILTER_SHIFT          14
#define SS2_MIN_FILTER_MASK           (0x7<<14)
#define SS2_LOD_BIAS_SHIFT            5
#define SS2_LOD_BIAS_ONE              (0x10<<5)
#define SS2_LOD_BIAS_MASK             (0x1ff<<5)
/* Shadow requires:
 *  MT_X8{I,L,A}24 or MT_{I,L,A}16 texture format
 *  FILTER_4X4_x  MIN and MAG filters
 */
#define SS2_SHADOW_ENABLE             (1<<4)
#define SS2_MAX_ANISO_MASK            (1<<3)
#define SS2_MAX_ANISO_2               (0<<3)
#define SS2_MAX_ANISO_4               (1<<3)
#define SS2_SHADOW_FUNC_SHIFT         0
#define SS2_SHADOW_FUNC_MASK          (0x7<<0)
/* SS2_SHADOW_FUNC values: see COMPAREFUNC_* */

#define SS3_MIN_LOD_SHIFT            24
#define SS3_MIN_LOD_ONE              (0x10<<24)
#define SS3_MIN_LOD_MASK             (0xff<<24)
#define SS3_KILL_PIXEL_ENABLE        (1<<17)
#define SS3_TCX_ADDR_MODE_SHIFT      12
#define SS3_TCX_ADDR_MODE_MASK       (0x7<<12)
#define   TEXCOORDMODE_WRAP		0
#define   TEXCOORDMODE_MIRROR		1
#define   TEXCOORDMODE_CLAMP_EDGE	2
#define   TEXCOORDMODE_CUBE       	3
#define   TEXCOORDMODE_CLAMP_BORDER	4
#define   TEXCOORDMODE_MIRROR_ONCE      5
#define SS3_TCY_ADDR_MODE_SHIFT      9
#define SS3_TCY_ADDR_MODE_MASK       (0x7<<9)
#define SS3_TCZ_ADDR_MODE_SHIFT      6
#define SS3_TCZ_ADDR_MODE_MASK       (0x7<<6)
#define SS3_NORMALIZED_COORDS        (1<<5)
#define SS3_TEXTUREMAP_INDEX_SHIFT   1
#define SS3_TEXTUREMAP_INDEX_MASK    (0xf<<1)
#define SS3_DEINTERLACER_ENABLE      (1<<0)

#define SS4_BORDER_COLOR_MASK        (~0)

/* 3DSTATE_SPAN_STIPPLE, p258
 */
#define _3DSTATE_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
#define ST1_ENABLE               (1<<16)
#define ST1_MASK                 (0xffff)

#define _3DSTATE_DEFAULT_Z          ((0x3<<29)|(0x1d<<24)|(0x98<<16))
#define _3DSTATE_DEFAULT_DIFFUSE    ((0x3<<29)|(0x1d<<24)|(0x99<<16))
#define _3DSTATE_DEFAULT_SPECULAR   ((0x3<<29)|(0x1d<<24)|(0x9a<<16))


#define MI_FLUSH                   ((0<<29)|(4<<23))
#define FLUSH_MAP_CACHE            (1<<0)
#define INHIBIT_FLUSH_RENDER_CACHE (1<<2)


#endif