diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_reg.h')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_reg.h | 59 |
1 files changed, 54 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h index 33b2f3da54..5650e488c6 100644 --- a/src/mesa/drivers/dri/r300/r300_reg.h +++ b/src/mesa/drivers/dri/r300/r300_reg.h @@ -598,11 +598,60 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_TX_SIZE_SHIFT 26 /* largest of width, height */ # define R300_TX_SIZE_MASK (15 << 26) #define R300_TX_FORMAT_0 0x44C0 - /* Note - other bits are not known yet.. */ -# define R300_TX_FORMAT_WIDTH_SHIFT 12 -# define R300_TX_FORMAT_WIDTH_MASK (0xf<<R300_TX_FORMAT_WIDTH_SHIFT) -# define R300_TX_FORMAT_HEIGHT_SHIFT 16 -# define R300_TX_FORMAT_HEIGHT_MASK (0xf<<R300_TX_FORMAT_HEIGHT_SHIFT) + /* The interpretation of the format word by Wladimir van der Laan */ +# define R300_TX_FORMAT_I8 0x0 +# define R300_TX_FORMAT_I16 0x1 + /* gap */ +# define R300_TX_FORMAT_I8A8 0x3 +# define R300_TX_FORMAT_I16A16 0x4 + /* gap */ +# define R300_TX_FORMAT_R5G5B5 0x6 + /* gap */ +# define R300_TX_FORMAT_A4R4G4B4 0xA +# define R300_TX_FORMAT_A1R5G5B5 0xB +# define R300_TX_FORMAT_R8G8B8A8 0xC +# define R300_TX_FORMAT_R10G10B10A2 0xD +# define R300_TX_FORMAT_R16G16B16A16 0xE +# define R300_TX_FORMAT_DXT1 0xF +# define R300_TX_FORMAT_DXT3 0x10 +# define R300_TX_FORMAT_DXT5 0x15 + /* 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 */ + /* constats */ +# 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_R_SHIFT 18 +# define R300_TX_FORMAT_G_SHIFT 15 +# define R300_TX_FORMAT_B_SHIFT 12 +# define R300_TX_FORMAT_A_SHIFT 9 +# define R300_EASY_TX_FORMAT(R, G, B, A, FMT) (\ + ((R300_TX_FORMAT_##R)<<R300_TX_FORMAT_R_SHIFT) \ + | ((R300_TX_FORMAT_##G)<<R300_TX_FORMAT_G_SHIFT) \ + | ((R300_TX_FORMAT_##B)<<R300_TX_FORMAT_B_SHIFT) \ + | ((R300_TX_FORMAT_##A)<<R300_TX_FORMAT_A_SHIFT) \ + | (R300_TX_FORMAT_##FMT) \ + ) + #define R300_TX_OFFSET_0 0x4540 /* BEGIN: Guess from R200 */ # define R300_TXO_ENDIAN_NO_SWAP (0 << 0) |