📄 r300_reg.h
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// on the vertex program, *not* the fragment program) */#define R300_RS_CNTL_0 0x4300# define R300_RS_CNTL_TC_CNT_SHIFT 2# define R300_RS_CNTL_TC_CNT_MASK (7 << 2)# define R300_RS_CNTL_CI_CNT_SHIFT 7 /* number of color interpolators used */# define R300_RS_CNTL_0_UNKNOWN_18 (1 << 18)/* Guess: RS_CNTL_1 holds the index of the highest used RS_ROUTE_n register. */#define R300_RS_CNTL_1 0x4304/* gap *//* Only used for texture coordinates.// Use the source field to route texture coordinate input from the vertex program// to the desired interpolator. Note that the source field is relative to the// outputs the vertex program *actually* writes. If a vertex program only writes// texcoord[1], this will be source index 0.// Set INTERP_USED on all interpolators that produce data used by the// fragment program. INTERP_USED looks like a swizzling mask, but// I haven't seen it used that way.//// Note: The _UNKNOWN constants are always set in their respective register.// I don't know if this is necessary. */#define R300_RS_INTERP_0 0x4310#define R300_RS_INTERP_1 0x4314# define R300_RS_INTERP_1_UNKNOWN 0x40#define R300_RS_INTERP_2 0x4318# define R300_RS_INTERP_2_UNKNOWN 0x80#define R300_RS_INTERP_3 0x431C# define R300_RS_INTERP_3_UNKNOWN 0xC0#define R300_RS_INTERP_4 0x4320#define R300_RS_INTERP_5 0x4324#define R300_RS_INTERP_6 0x4328#define R300_RS_INTERP_7 0x432C# define R300_RS_INTERP_SRC_SHIFT 2# define R300_RS_INTERP_SRC_MASK (7 << 2)# define R300_RS_INTERP_USED 0x00D10000/* These DWORDs control how vertex data is routed into fragment program// registers, after interpolators. */#define R300_RS_ROUTE_0 0x4330#define R300_RS_ROUTE_1 0x4334#define R300_RS_ROUTE_2 0x4338#define R300_RS_ROUTE_3 0x433C /* GUESS */#define R300_RS_ROUTE_4 0x4340 /* GUESS */#define R300_RS_ROUTE_5 0x4344 /* GUESS */#define R300_RS_ROUTE_6 0x4348 /* GUESS */#define R300_RS_ROUTE_7 0x434C /* GUESS */# define R300_RS_ROUTE_SOURCE_INTERP_0 0# define R300_RS_ROUTE_SOURCE_INTERP_1 1# define R300_RS_ROUTE_SOURCE_INTERP_2 2# define R300_RS_ROUTE_SOURCE_INTERP_3 3# define R300_RS_ROUTE_SOURCE_INTERP_4 4# define R300_RS_ROUTE_SOURCE_INTERP_5 5 /* GUESS */# define R300_RS_ROUTE_SOURCE_INTERP_6 6 /* GUESS */# define R300_RS_ROUTE_SOURCE_INTERP_7 7 /* GUESS */# define R300_RS_ROUTE_ENABLE (1 << 3) /* GUESS */# define R300_RS_ROUTE_DEST_SHIFT 6# define R300_RS_ROUTE_DEST_MASK (31 << 6) /* GUESS *//* Special handling for color: When the fragment program uses color,// the ROUTE_0_COLOR bit is set and ROUTE_0_COLOR_DEST contains the// color register index. */# define R300_RS_ROUTE_0_COLOR (1 << 14)# define R300_RS_ROUTE_0_COLOR_DEST_SHIFT 17# define R300_RS_ROUTE_0_COLOR_DEST_MASK (31 << 17) /* GUESS *//* As above, but for secondary color */# define R300_RS_ROUTE_1_COLOR1 (1 << 14)# define R300_RS_ROUTE_1_COLOR1_DEST_SHIFT 17# define R300_RS_ROUTE_1_COLOR1_DEST_MASK (31 << 17)# define R300_RS_ROUTE_1_UNKNOWN11 (1 << 11)/* END *//* BEGIN: Scissors and cliprects// There are four clipping rectangles. Their corner coordinates are inclusive.// Every pixel is assigned a number from 0 and 15 by setting bits 0-3 depending// on whether the pixel is inside cliprects 0-3, respectively. For example,// if a pixel is inside cliprects 0 and 1, but outside 2 and 3, it is assigned// the number 3 (binary 0011).// Iff the bit corresponding to the pixel's number in RE_CLIPRECT_CNTL is set,// the pixel is rasterized.//// In addition to this, there is a scissors rectangle. Only pixels inside the// scissors rectangle are drawn. (coordinates are inclusive)//// For some reason, the top-left corner of the framebuffer is at (1440, 1440)// for the purpose of clipping and scissors. */#define R300_RE_CLIPRECT_TL_0 0x43B0#define R300_RE_CLIPRECT_BR_0 0x43B4#define R300_RE_CLIPRECT_TL_1 0x43B8#define R300_RE_CLIPRECT_BR_1 0x43BC#define R300_RE_CLIPRECT_TL_2 0x43C0#define R300_RE_CLIPRECT_BR_2 0x43C4#define R300_RE_CLIPRECT_TL_3 0x43C8#define R300_RE_CLIPRECT_BR_3 0x43CC# define R300_CLIPRECT_OFFSET 1440# define R300_CLIPRECT_MASK 0x1FFF# define R300_CLIPRECT_X_SHIFT 0# define R300_CLIPRECT_X_MASK (0x1FFF << 0)# define R300_CLIPRECT_Y_SHIFT 13# define R300_CLIPRECT_Y_MASK (0x1FFF << 13)#define R300_RE_CLIPRECT_CNTL 0x43D0# define R300_CLIP_OUT (1 << 0)# define R300_CLIP_0 (1 << 1)# define R300_CLIP_1 (1 << 2)# define R300_CLIP_10 (1 << 3)# define R300_CLIP_2 (1 << 4)# define R300_CLIP_20 (1 << 5)# define R300_CLIP_21 (1 << 6)# define R300_CLIP_210 (1 << 7)# define R300_CLIP_3 (1 << 8)# define R300_CLIP_30 (1 << 9)# define R300_CLIP_31 (1 << 10)# define R300_CLIP_310 (1 << 11)# define R300_CLIP_32 (1 << 12)# define R300_CLIP_320 (1 << 13)# define R300_CLIP_321 (1 << 14)# define R300_CLIP_3210 (1 << 15)/* gap */#define R300_RE_SCISSORS_TL 0x43E0#define R300_RE_SCISSORS_BR 0x43E4# define R300_SCISSORS_OFFSET 1440# define R300_SCISSORS_X_SHIFT 0# define R300_SCISSORS_X_MASK (0x1FFF << 0)# define R300_SCISSORS_Y_SHIFT 13# define R300_SCISSORS_Y_MASK (0x1FFF << 13)/* END *//* BEGIN: Texture specification// The texture specification dwords are grouped by meaning and not by texture unit.// This means that e.g. the offset for texture image unit N is found in register// TX_OFFSET_0 + (4*N) */#define R300_TX_FILTER_0 0x4400# define R300_TX_REPEAT 0# define R300_TX_MIRRORED 1# define R300_TX_CLAMP 4# define R300_TX_CLAMP_TO_EDGE 2# define R300_TX_CLAMP_TO_BORDER 6# define R300_TX_WRAP_S_SHIFT 0# define R300_TX_WRAP_S_MASK (7 << 0)# define R300_TX_WRAP_T_SHIFT 3# define R300_TX_WRAP_T_MASK (7 << 3)# define R300_TX_WRAP_Q_SHIFT 6# define R300_TX_WRAP_Q_MASK (7 << 6)# define R300_TX_MAG_FILTER_NEAREST (1 << 9)# define R300_TX_MAG_FILTER_LINEAR (2 << 9)# define R300_TX_MAG_FILTER_MASK (3 << 9)# define R300_TX_MIN_FILTER_NEAREST (1 << 11)# define R300_TX_MIN_FILTER_LINEAR (2 << 11)# define R300_TX_MIN_FILTER_NEAREST_MIP_NEAREST (5 << 11)# define R300_TX_MIN_FILTER_NEAREST_MIP_LINEAR (9 << 11)# define R300_TX_MIN_FILTER_LINEAR_MIP_NEAREST (6 << 11)# define R300_TX_MIN_FILTER_LINEAR_MIP_LINEAR (10 << 11)/* NOTE: NEAREST doesnt seem to exist. Im not seting MAG_FILTER_MASK and (3 << 11) on for all anisotropy modes because that would void selected mag filter */# define R300_TX_MIN_FILTER_ANISO_NEAREST ((0 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/)# define R300_TX_MIN_FILTER_ANISO_LINEAR ((0 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/)# define R300_TX_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST ((1 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/)# define R300_TX_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR ((2 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/)# define R300_TX_MIN_FILTER_MASK ( (15 << 11) | (3 << 13) )# define R300_TX_MAX_ANISO_1_TO_1 (0 << 21)# define R300_TX_MAX_ANISO_2_TO_1 (2 << 21)# define R300_TX_MAX_ANISO_4_TO_1 (4 << 21)# define R300_TX_MAX_ANISO_8_TO_1 (6 << 21)# define R300_TX_MAX_ANISO_16_TO_1 (8 << 21)# define R300_TX_MAX_ANISO_MASK (14 << 21)#define R300_TX_UNK1_0 0x4440# define R300_LOD_BIAS_MASK 0x1fff#define R300_TX_SIZE_0 0x4480# define R300_TX_WIDTHMASK_SHIFT 0# define R300_TX_WIDTHMASK_MASK (2047 << 0)# define R300_TX_HEIGHTMASK_SHIFT 11# define R300_TX_HEIGHTMASK_MASK (2047 << 11)# define R300_TX_UNK23 (1 << 23)# define R300_TX_SIZE_SHIFT 26 /* largest of width, height */# define R300_TX_SIZE_MASK (15 << 26)#define R300_TX_FORMAT_0 0x44C0 /* The interpretation of the format word by Wladimir van der Laan */ /* The X, Y, Z and W refer to the layout of the components. They are given meanings as R, G, B and Alpha by the swizzle specification */# define R300_TX_FORMAT_X8 0x0# define R300_TX_FORMAT_X16 0x1# define R300_TX_FORMAT_Y4X4 0x2# define R300_TX_FORMAT_Y8X8 0x3# define R300_TX_FORMAT_Y16X16 0x4# define R300_TX_FORMAT_Z3Y3X2 0x5# define R300_TX_FORMAT_Z5Y6X5 0x6# define R300_TX_FORMAT_Z6Y5X5 0x7# define R300_TX_FORMAT_Z11Y11X10 0x8# define R300_TX_FORMAT_Z10Y11X11 0x9# define R300_TX_FORMAT_W4Z4Y4X4 0xA# define R300_TX_FORMAT_W1Z5Y5X5 0xB# define R300_TX_FORMAT_W8Z8Y8X8 0xC# define R300_TX_FORMAT_W2Z10Y10X10 0xD# define R300_TX_FORMAT_W16Z16Y16X16 0xE# define R300_TX_FORMAT_DXT1 0xF# define R300_TX_FORMAT_DXT3 0x10# define R300_TX_FORMAT_DXT5 0x11# define R300_TX_FORMAT_D3DMFT_CxV8U8 0x12 /* no swizzle */# define R300_TX_FORMAT_A8R8G8B8 0x13 /* no swizzle */# define R300_TX_FORMAT_B8G8_B8G8 0x14 /* no swizzle */# define R300_TX_FORMAT_G8R8_G8B8 0x15 /* no swizzle */ /* 0x16 - some 16 bit green format.. ?? */# define R300_TX_FORMAT_UNK25 (1 << 25) /* no swizzle */ /* gap */ /* Floating point formats */ /* Note - hardware supports both 16 and 32 bit floating point */# define R300_TX_FORMAT_FL_I16 0x18# define R300_TX_FORMAT_FL_I16A16 0x19# define R300_TX_FORMAT_FL_R16G16B16A16 0x1A# define R300_TX_FORMAT_FL_I32 0x1B# define R300_TX_FORMAT_FL_I32A32 0x1C# define R300_TX_FORMAT_FL_R32G32B32A32 0x1D /* alpha modes, convenience mostly */ /* if you have alpha, pick constant appropriate to the number of channels (1 for I8, 2 for I8A8, 4 for R8G8B8A8, etc */# define R300_TX_FORMAT_ALPHA_1CH 0x000# define R300_TX_FORMAT_ALPHA_2CH 0x200# define R300_TX_FORMAT_ALPHA_4CH 0x600# define R300_TX_FORMAT_ALPHA_NONE 0xA00 /* Swizzling */ /* constants */# define R300_TX_FORMAT_X 0# define R300_TX_FORMAT_Y 1# define R300_TX_FORMAT_Z 2# define R300_TX_FORMAT_W 3# define R300_TX_FORMAT_ZERO 4# define R300_TX_FORMAT_ONE 5# define R300_TX_FORMAT_CUT_Z 6 /* 2.0*Z, everything above 1.0 is set to 0.0 */# define R300_TX_FORMAT_CUT_W 7 /* 2.0*W, everything above 1.0 is set to 0.0 */# define R300_TX_FORMAT_B_SHIFT 18# define R300_TX_FORMAT_G_SHIFT 15# define R300_TX_FORMAT_R_SHIFT 12# define R300_TX_FORMAT_A_SHIFT 9 /* Convenience macro to take care of layout and swizzling */# define R300_EASY_TX_FORMAT(B, G, R, A, FMT) (\ ((R300_TX_FORMAT_##B)<<R300_TX_FORMAT_B_SHIFT) \ | ((R300_TX_FORMAT_##G)<<R300_TX_FORMAT_G_SHIFT) \ | ((R300_TX_FORMAT_##R)<<R300_TX_FORMAT_R_SHIFT) \ | ((R300_TX_FORMAT_##A)<<R300_TX_FORMAT_A_SHIFT) \ | (R300_TX_FORMAT_##FMT) \ ) /* These can be ORed with result of R300_EASY_TX_FORMAT() */ /* We don't really know what they do. Take values from a constant color ? */# define R300_TX_FORMAT_CONST_X (1<<5)# define R300_TX_FORMAT_CONST_Y (2<<5)# define R300_TX_FORMAT_CONST_Z (4<<5)# define R300_TX_FORMAT_CONST_W (8<<5)# define R300_TX_FORMAT_YUV_MODE 0x00800000#define R300_TX_OFFSET_0 0x4540/* BEGIN: Guess from R200 */# define R300_TXO_ENDIAN_NO_SWAP (0 << 0)# define R300_TXO_ENDIAN_BYTE_SWAP (1 << 0)# define R300_TXO_ENDIAN_WORD_SWAP (2 << 0)# define R300_TXO_ENDIAN_HALFDW_SWAP (3 << 0)# define R300_TXO_OFFSET_MASK 0xffffffe0# define R300_TXO_OFFSET_SHIFT 5/* END */#define R300_TX_UNK4_0 0x4580#define R300_TX_BORDER_COLOR_0 0x45C0 //ff00ff00 == { 0, 1.0, 0, 1.0 }/* END */⌨️ 快捷键说明
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