diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_reg.h')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_reg.h | 290 |
1 files changed, 183 insertions, 107 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h index 6fddc8fcf5..2200cec6ab 100644 --- a/src/mesa/drivers/dri/r300/r300_reg.h +++ b/src/mesa/drivers/dri/r300/r300_reg.h @@ -2383,115 +2383,189 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. # define ZB_STENCILREFMASK_BF_STENCILWRITEMASK_SHIFT 16 # define ZB_STENCILREFMASK_BF_STENCILWRITEMASK_MASK 0xffff0000 -/* BEGIN: Vertex program instruction set */ - -/* Every instruction is four dwords long: - * DWORD 0: output and opcode - * DWORD 1: first argument - * DWORD 2: second argument - * DWORD 3: third argument - * - * Notes: - * - ABS r, a is implemented as MAX r, a, -a - * - MOV is implemented as ADD to zero - * - XPD is implemented as MUL + MAD - * - FLR is implemented as FRC + ADD - * - apparently, fglrx tries to schedule instructions so that there is at - * least one instruction between the write to a temporary and the first - * read from said temporary; however, violations of this scheduling are - * allowed - * - register indices seem to be unrelated with OpenGL aliasing to - * conventional state - * - only one attribute and one parameter can be loaded at a time; however, - * the same attribute/parameter can be used for more than one argument - * - the second software argument for POW is the third hardware argument - * (no idea why) - * - MAD with only temporaries as input seems to use VPI_OUT_SELECT_MAD_2 +/** + * \defgroup R3XX_R5XX_PROGRAMMABLE_VERTEX_SHADER_DESCRIPTION R3XX-R5XX PROGRAMMABLE VERTEX SHADER DESCRIPTION * - * There is some magic surrounding LIT: - * The single argument is replicated across all three inputs, but swizzled: - * First argument: xyzy - * Second argument: xyzx - * Third argument: xyzw - * Whenever the result is used later in the fragment program, fglrx forces - * x and w to be 1.0 in the input selection; I don't know whether this is - * strictly necessary - */ -#define R300_VPI_OUT_OP_DOT (1 << 0) -#define R300_VPI_OUT_OP_MUL (2 << 0) -#define R300_VPI_OUT_OP_ADD (3 << 0) -#define R300_VPI_OUT_OP_MAD (4 << 0) -#define R300_VPI_OUT_OP_DST (5 << 0) -#define R300_VPI_OUT_OP_FRC (6 << 0) -#define R300_VPI_OUT_OP_MAX (7 << 0) -#define R300_VPI_OUT_OP_MIN (8 << 0) -#define R300_VPI_OUT_OP_SGE (9 << 0) -#define R300_VPI_OUT_OP_SLT (10 << 0) - /* Used in GL_POINT_DISTANCE_ATTENUATION_ARB, vector(scalar, vector) */ -#define R300_VPI_OUT_OP_UNK12 (12 << 0) -#define R300_VPI_OUT_OP_ARL (13 << 0) -#define R300_VPI_OUT_OP_EXP (65 << 0) -#define R300_VPI_OUT_OP_LOG (66 << 0) - /* Used in fog computations, scalar(scalar) */ -#define R300_VPI_OUT_OP_UNK67 (67 << 0) -#define R300_VPI_OUT_OP_LIT (68 << 0) -#define R300_VPI_OUT_OP_POW (69 << 0) -#define R300_VPI_OUT_OP_RCP (70 << 0) -#define R300_VPI_OUT_OP_RSQ (72 << 0) - /* Used in GL_POINT_DISTANCE_ATTENUATION_ARB, scalar(scalar) */ -#define R300_VPI_OUT_OP_UNK73 (73 << 0) -#define R300_VPI_OUT_OP_EX2 (75 << 0) -#define R300_VPI_OUT_OP_LG2 (76 << 0) -#define R300_VPI_OUT_OP_MAD_2 (128 << 0) - /* all temps, vector(scalar, vector, vector) */ -#define R300_VPI_OUT_OP_UNK129 (129 << 0) - -#define R300_VPI_OUT_REG_CLASS_TEMPORARY (0 << 8) -#define R300_VPI_OUT_REG_CLASS_ADDR (1 << 8) -#define R300_VPI_OUT_REG_CLASS_RESULT (2 << 8) -#define R300_VPI_OUT_REG_CLASS_MASK (31 << 8) - -#define R300_VPI_OUT_REG_INDEX_SHIFT 13 - /* GUESS based on fglrx native limits */ -#define R300_VPI_OUT_REG_INDEX_MASK (31 << 13) - -#define R300_VPI_OUT_WRITE_X (1 << 20) -#define R300_VPI_OUT_WRITE_Y (1 << 21) -#define R300_VPI_OUT_WRITE_Z (1 << 22) -#define R300_VPI_OUT_WRITE_W (1 << 23) - -#define R300_VPI_IN_REG_CLASS_TEMPORARY (0 << 0) -#define R300_VPI_IN_REG_CLASS_ATTRIBUTE (1 << 0) -#define R300_VPI_IN_REG_CLASS_PARAMETER (2 << 0) -#define R300_VPI_IN_REG_CLASS_NONE (9 << 0) -#define R300_VPI_IN_REG_CLASS_MASK (31 << 0) - -#define R300_VPI_IN_REG_INDEX_SHIFT 5 - /* GUESS based on fglrx native limits */ -#define R300_VPI_IN_REG_INDEX_MASK (255 << 5) - -/* The R300 can select components from the input register arbitrarily. - * Use the following constants, shifted by the component shift you - * want to select + * The PVS_DST_MATH_INST is used to identify whether the instruction is a Vector + * Engine instruction or a Math Engine instruction. */ -#define R300_VPI_IN_SELECT_X 0 -#define R300_VPI_IN_SELECT_Y 1 -#define R300_VPI_IN_SELECT_Z 2 -#define R300_VPI_IN_SELECT_W 3 -#define R300_VPI_IN_SELECT_ZERO 4 -#define R300_VPI_IN_SELECT_ONE 5 -#define R300_VPI_IN_SELECT_MASK 7 - -#define R300_VPI_IN_X_SHIFT 13 -#define R300_VPI_IN_Y_SHIFT 16 -#define R300_VPI_IN_Z_SHIFT 19 -#define R300_VPI_IN_W_SHIFT 22 - -#define R300_VPI_IN_NEG_X (1 << 25) -#define R300_VPI_IN_NEG_Y (1 << 26) -#define R300_VPI_IN_NEG_Z (1 << 27) -#define R300_VPI_IN_NEG_W (1 << 28) -/* END: Vertex program instruction set */ + +/*\{*/ + +enum { + /* R3XX */ + VECTOR_NO_OP = 0, + VE_DOT_PRODUCT = 1, + VE_MULTIPLY = 2, + VE_ADD = 3, + VE_MULTIPLY_ADD = 4, + VE_DISTANCE_VECTOR = 5, + VE_FRACTION = 6, + VE_MAXIMUM = 7, + VE_MINIMUM = 8, + VE_SET_GREATER_THAN_EQUAL = 9, + VE_SET_LESS_THAN = 10, + VE_MULTIPLYX2_ADD = 11, + VE_MULTIPLY_CLAMP = 12, + VE_FLT2FIX_DX = 13, + VE_FLT2FIX_DX_RND = 14, + /* R5XX */ + VE_PRED_SET_EQ_PUSH = 15, + VE_PRED_SET_GT_PUSH = 16, + VE_PRED_SET_GTE_PUSH = 17, + VE_PRED_SET_NEQ_PUSH = 18, + VE_COND_WRITE_EQ = 19, + VE_COND_WRITE_GT = 20, + VE_COND_WRITE_GTE = 21, + VE_COND_WRITE_NEQ = 22, + VE_COND_MUX_EQ = 23, + VE_COND_MUX_GT = 24, + VE_COND_MUX_GTE = 25, + VE_SET_GREATER_THAN = 26, + VE_SET_EQUAL = 27, + VE_SET_NOT_EQUAL = 28, +}; + +enum { + /* R3XX */ + MATH_NO_OP = 0, + ME_EXP_BASE2_DX = 1, + ME_LOG_BASE2_DX = 2, + ME_EXP_BASEE_FF = 3, + ME_LIGHT_COEFF_DX = 4, + ME_POWER_FUNC_FF = 5, + ME_RECIP_DX = 6, + ME_RECIP_FF = 7, + ME_RECIP_SQRT_DX = 8, + ME_RECIP_SQRT_FF = 9, + ME_MULTIPLY = 10, + ME_EXP_BASE2_FULL_DX = 11, + ME_LOG_BASE2_FULL_DX = 12, + ME_POWER_FUNC_FF_CLAMP_B = 13, + ME_POWER_FUNC_FF_CLAMP_B1 = 14, + ME_POWER_FUNC_FF_CLAMP_01 = 15, + ME_SIN = 16, + ME_COS = 17, + /* R5XX */ + ME_LOG_BASE2_IEEE = 18, + ME_RECIP_IEEE = 19, + ME_RECIP_SQRT_IEEE = 20, + ME_PRED_SET_EQ = 21, + ME_PRED_SET_GT = 22, + ME_PRED_SET_GTE = 23, + ME_PRED_SET_NEQ = 24, + ME_PRED_SET_CLR = 25, + ME_PRED_SET_INV = 26, + ME_PRED_SET_POP = 27, + ME_PRED_SET_RESTORE = 28, +}; + +enum { + /* R3XX */ + PVS_MACRO_OP_2CLK_MADD = 0, + PVS_MACRO_OP_2CLK_M2X_ADD = 1, +}; + +enum { + PVS_SRC_REG_TEMPORARY = 0, /* Intermediate Storage */ + PVS_SRC_REG_INPUT = 1, /* Input Vertex Storage */ + PVS_SRC_REG_CONSTANT = 2, /* Constant State Storage */ + PVS_SRC_REG_ALT_TEMPORARY = 3, /* Alternate Intermediate Storage */ +}; + +enum { + PVS_DST_REG_TEMPORARY = 0, /* Intermediate Storage */ + PVS_DST_REG_A0 = 1, /* Address Register Storage */ + PVS_DST_REG_OUT = 2, /* Output Memory. Used for all outputs */ + PVS_DST_REG_OUT_REPL_X = 3, /* Output Memory & Replicate X to all channels */ + PVS_DST_REG_ALT_TEMPORARY = 4, /* Alternate Intermediate Storage */ + PVS_DST_REG_INPUT = 5, /* Output Memory & Replicate X to all channels */ +}; + +enum { + PVS_SRC_SELECT_X = 0, /* Select X Component */ + PVS_SRC_SELECT_Y = 1, /* Select Y Component */ + PVS_SRC_SELECT_Z = 2, /* Select Z Component */ + PVS_SRC_SELECT_W = 3, /* Select W Component */ + PVS_SRC_SELECT_FORCE_0 = 4, /* Force Component to 0.0 */ + PVS_SRC_SELECT_FORCE_1 = 5, /* Force Component to 1.0 */ +}; + +/* PVS Opcode & Destination Operand Description */ + +enum { + PVS_DST_OPCODE_MASK = 0x3f, + PVS_DST_OPCODE_SHIFT = 0, + PVS_DST_MATH_INST_MASK = 0x1, + PVS_DST_MATH_INST_SHIFT = 6, + PVS_DST_MACRO_INST_MASK = 0x1, + PVS_DST_MACRO_INST_SHIFT = 7, + PVS_DST_REG_TYPE_MASK = 0xf, + PVS_DST_REG_TYPE_SHIFT = 8, + PVS_DST_ADDR_MODE_1_MASK = 0x1, + PVS_DST_ADDR_MODE_1_SHIFT = 12, + PVS_DST_OFFSET_MASK = 0x7f, + PVS_DST_OFFSET_SHIFT = 13, + PVS_DST_WE_X_MASK = 0x1, + PVS_DST_WE_X_SHIFT = 20, + PVS_DST_WE_Y_MASK = 0x1, + PVS_DST_WE_Y_SHIFT = 21, + PVS_DST_WE_Z_MASK = 0x1, + PVS_DST_WE_Z_SHIFT = 22, + PVS_DST_WE_W_MASK = 0x1, + PVS_DST_WE_W_SHIFT = 23, + PVS_DST_VE_SAT_MASK = 0x1, + PVS_DST_VE_SAT_SHIFT = 24, + PVS_DST_ME_SAT_MASK = 0x1, + PVS_DST_ME_SAT_SHIFT = 25, + PVS_DST_PRED_ENABLE_MASK = 0x1, + PVS_DST_PRED_ENABLE_SHIFT = 26, + PVS_DST_PRED_SENSE_MASK = 0x1, + PVS_DST_PRED_SENSE_SHIFT = 27, + PVS_DST_DUAL_MATH_OP_MASK = 0x3, + PVS_DST_DUAL_MATH_OP_SHIFT = 27, + PVS_DST_ADDR_SEL_MASK = 0x3, + PVS_DST_ADDR_SEL_SHIFT = 29, + PVS_DST_ADDR_MODE_0_MASK = 0x1, + PVS_DST_ADDR_MODE_0_SHIFT = 31, +}; + +/* PVS Source Operand Description */ + +enum { + PVS_SRC_REG_TYPE_MASK = 0x3, + PVS_SRC_REG_TYPE_SHIFT = 0, + SPARE_0_MASK = 0x1, + SPARE_0_SHIFT = 2, + PVS_SRC_ABS_XYZW_MASK = 0x1, + PVS_SRC_ABS_XYZW_SHIFT = 3, + PVS_SRC_ADDR_MODE_0_MASK = 0x1, + PVS_SRC_ADDR_MODE_0_SHIFT = 4, + PVS_SRC_OFFSET_MASK = 0xff, + PVS_SRC_OFFSET_SHIFT = 5, + PVS_SRC_SWIZZLE_X_MASK = 0x7, + PVS_SRC_SWIZZLE_X_SHIFT = 13, + PVS_SRC_SWIZZLE_Y_MASK = 0x7, + PVS_SRC_SWIZZLE_Y_SHIFT = 16, + PVS_SRC_SWIZZLE_Z_MASK = 0x7, + PVS_SRC_SWIZZLE_Z_SHIFT = 19, + PVS_SRC_SWIZZLE_W_MASK = 0x7, + PVS_SRC_SWIZZLE_W_SHIFT = 22, + PVS_SRC_MODIFIER_X_MASK = 0x1, + PVS_SRC_MODIFIER_X_SHIFT = 25, + PVS_SRC_MODIFIER_Y_MASK = 0x1, + PVS_SRC_MODIFIER_Y_SHIFT = 26, + PVS_SRC_MODIFIER_Z_MASK = 0x1, + PVS_SRC_MODIFIER_Z_SHIFT = 27, + PVS_SRC_MODIFIER_W_MASK = 0x1, + PVS_SRC_MODIFIER_W_SHIFT = 28, + PVS_SRC_ADDR_SEL_MASK = 0x3, + PVS_SRC_ADDR_SEL_SHIFT = 29, + PVS_SRC_ADDR_MODE_1_MASK = 0x0, + PVS_SRC_ADDR_MODE_1_SHIFT = 32, +}; + +/*\}*/ /* BEGIN: Packet 3 commands */ @@ -2613,3 +2687,5 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. #endif /* _R300_REG_H */ /* *INDENT-ON* */ + +/* vim: set foldenable foldmarker=\\{,\\} foldmethod=marker : */ |