0,0 → 1,178 |
#ifndef __NV40_SHADER_H__ |
#define __NV40_SHADER_H__ |
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/* Vertex programs instruction set |
* |
* The NV40 instruction set is very similar to NV30. Most fields are in |
* a slightly different position in the instruction however. |
* |
* Merged instructions |
* In some cases it is possible to put two instructions into one opcode |
* slot. The rules for when this is OK is not entirely clear to me yet. |
* |
* There are separate writemasks and dest temp register fields for each |
* grouping of instructions. There is however only one field with the |
* ID of a result register. Writing to temp/result regs is selected by |
* setting VEC_RESULT/SCA_RESULT. |
* |
* Temporary registers |
* The source/dest temp register fields have been extended by 1 bit, to |
* give a total of 32 temporary registers. |
* |
* Relative Addressing |
* NV40 can use an address register to index into vertex attribute regs. |
* This is done by putting the offset value into INPUT_SRC and setting |
* the INDEX_INPUT flag. |
* |
* Conditional execution (see NV_vertex_program{2,3} for details) |
* There is a second condition code register on NV40, it's use is enabled |
* by setting the COND_REG_SELECT_1 flag. |
* |
* Texture lookup |
* TODO |
*/ |
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/* ---- OPCODE BITS 127:96 / data DWORD 0 --- */ |
#define NV40_VP_INST_VEC_RESULT (1 << 30) |
/* uncertain.. */ |
#define NV40_VP_INST_COND_UPDATE_ENABLE ((1 << 14)|1<<29) |
/* use address reg as index into attribs */ |
#define NV40_VP_INST_INDEX_INPUT (1 << 27) |
#define NV40_VP_INST_SATURATE (1 << 26) |
#define NV40_VP_INST_COND_REG_SELECT_1 (1 << 25) |
#define NV40_VP_INST_ADDR_REG_SELECT_1 (1 << 24) |
#define NV40_VP_INST_SRC2_ABS (1 << 23) |
#define NV40_VP_INST_SRC1_ABS (1 << 22) |
#define NV40_VP_INST_SRC0_ABS (1 << 21) |
#define NV40_VP_INST_VEC_DEST_TEMP_SHIFT 15 |
#define NV40_VP_INST_VEC_DEST_TEMP_MASK (0x3F << 15) |
#define NV40_VP_INST_COND_TEST_ENABLE (1 << 13) |
#define NV40_VP_INST_COND_SHIFT 10 |
#define NV40_VP_INST_COND_MASK (0x7 << 10) |
#define NV40_VP_INST_COND_SWZ_X_SHIFT 8 |
#define NV40_VP_INST_COND_SWZ_X_MASK (3 << 8) |
#define NV40_VP_INST_COND_SWZ_Y_SHIFT 6 |
#define NV40_VP_INST_COND_SWZ_Y_MASK (3 << 6) |
#define NV40_VP_INST_COND_SWZ_Z_SHIFT 4 |
#define NV40_VP_INST_COND_SWZ_Z_MASK (3 << 4) |
#define NV40_VP_INST_COND_SWZ_W_SHIFT 2 |
#define NV40_VP_INST_COND_SWZ_W_MASK (3 << 2) |
#define NV40_VP_INST_COND_SWZ_ALL_SHIFT 2 |
#define NV40_VP_INST_COND_SWZ_ALL_MASK (0xFF << 2) |
#define NV40_VP_INST_ADDR_SWZ_SHIFT 0 |
#define NV40_VP_INST_ADDR_SWZ_MASK (0x03 << 0) |
#define NV40_VP_INST0_KNOWN ( \ |
NV40_VP_INST_INDEX_INPUT | \ |
NV40_VP_INST_COND_REG_SELECT_1 | \ |
NV40_VP_INST_ADDR_REG_SELECT_1 | \ |
NV40_VP_INST_SRC2_ABS | \ |
NV40_VP_INST_SRC1_ABS | \ |
NV40_VP_INST_SRC0_ABS | \ |
NV40_VP_INST_VEC_DEST_TEMP_MASK | \ |
NV40_VP_INST_COND_TEST_ENABLE | \ |
NV40_VP_INST_COND_MASK | \ |
NV40_VP_INST_COND_SWZ_ALL_MASK | \ |
NV40_VP_INST_ADDR_SWZ_MASK) |
|
/* ---- OPCODE BITS 95:64 / data DWORD 1 --- */ |
#define NV40_VP_INST_VEC_OPCODE_SHIFT 22 |
#define NV40_VP_INST_VEC_OPCODE_MASK (0x1F << 22) |
#define NV40_VP_INST_SCA_OPCODE_SHIFT 27 |
#define NV40_VP_INST_SCA_OPCODE_MASK (0x1F << 27) |
#define NV40_VP_INST_CONST_SRC_SHIFT 12 |
#define NV40_VP_INST_CONST_SRC_MASK (0xFF << 12) |
#define NV40_VP_INST_INPUT_SRC_SHIFT 8 |
#define NV40_VP_INST_INPUT_SRC_MASK (0x0F << 8) |
#define NV40_VP_INST_SRC0H_SHIFT 0 |
#define NV40_VP_INST_SRC0H_MASK (0xFF << 0) |
#define NV40_VP_INST1_KNOWN ( \ |
NV40_VP_INST_VEC_OPCODE_MASK | \ |
NV40_VP_INST_SCA_OPCODE_MASK | \ |
NV40_VP_INST_CONST_SRC_MASK | \ |
NV40_VP_INST_INPUT_SRC_MASK | \ |
NV40_VP_INST_SRC0H_MASK \ |
) |
|
/* ---- OPCODE BITS 63:32 / data DWORD 2 --- */ |
#define NV40_VP_INST_SRC0L_SHIFT 23 |
#define NV40_VP_INST_SRC0L_MASK (0x1FF << 23) |
#define NV40_VP_INST_SRC1_SHIFT 6 |
#define NV40_VP_INST_SRC1_MASK (0x1FFFF << 6) |
#define NV40_VP_INST_SRC2H_SHIFT 0 |
#define NV40_VP_INST_SRC2H_MASK (0x3F << 0) |
#define NV40_VP_INST_IADDRH_SHIFT 0 |
#define NV40_VP_INST_IADDRH_MASK (0x3F << 0) |
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/* ---- OPCODE BITS 31:0 / data DWORD 3 --- */ |
#define NV40_VP_INST_IADDRL_SHIFT 29 |
#define NV40_VP_INST_IADDRL_MASK (7 << 29) |
#define NV40_VP_INST_SRC2L_SHIFT 21 |
#define NV40_VP_INST_SRC2L_MASK (0x7FF << 21) |
#define NV40_VP_INST_SCA_WRITEMASK_SHIFT 17 |
#define NV40_VP_INST_SCA_WRITEMASK_MASK (0xF << 17) |
# define NV40_VP_INST_SCA_WRITEMASK_X (1 << 20) |
# define NV40_VP_INST_SCA_WRITEMASK_Y (1 << 19) |
# define NV40_VP_INST_SCA_WRITEMASK_Z (1 << 18) |
# define NV40_VP_INST_SCA_WRITEMASK_W (1 << 17) |
#define NV40_VP_INST_VEC_WRITEMASK_SHIFT 13 |
#define NV40_VP_INST_VEC_WRITEMASK_MASK (0xF << 13) |
# define NV40_VP_INST_VEC_WRITEMASK_X (1 << 16) |
# define NV40_VP_INST_VEC_WRITEMASK_Y (1 << 15) |
# define NV40_VP_INST_VEC_WRITEMASK_Z (1 << 14) |
# define NV40_VP_INST_VEC_WRITEMASK_W (1 << 13) |
#define NV40_VP_INST_SCA_RESULT (1 << 12) |
#define NV40_VP_INST_SCA_DEST_TEMP_SHIFT 7 |
#define NV40_VP_INST_SCA_DEST_TEMP_MASK (0x1F << 7) |
#define NV40_VP_INST_DEST_SHIFT 2 |
#define NV40_VP_INST_DEST_MASK (31 << 2) |
# define NV40_VP_INST_DEST_POS 0 |
# define NV40_VP_INST_DEST_COL0 1 |
# define NV40_VP_INST_DEST_COL1 2 |
# define NV40_VP_INST_DEST_BFC0 3 |
# define NV40_VP_INST_DEST_BFC1 4 |
# define NV40_VP_INST_DEST_FOGC 5 |
# define NV40_VP_INST_DEST_PSZ 6 |
# define NV40_VP_INST_DEST_TC0 7 |
# define NV40_VP_INST_DEST_TC(n) (7+n) |
# define NV40_VP_INST_DEST_TEMP 0x1F |
#define NV40_VP_INST_INDEX_CONST (1 << 1) |
#define NV40_VP_INST3_KNOWN ( \ |
NV40_VP_INST_SRC2L_MASK |\ |
NV40_VP_INST_SCA_WRITEMASK_MASK |\ |
NV40_VP_INST_VEC_WRITEMASK_MASK |\ |
NV40_VP_INST_SCA_DEST_TEMP_MASK |\ |
NV40_VP_INST_DEST_MASK |\ |
NV40_VP_INST_INDEX_CONST) |
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/* Useful to split the source selection regs into their pieces */ |
#define NV40_VP_SRC0_HIGH_SHIFT 9 |
#define NV40_VP_SRC0_HIGH_MASK 0x0001FE00 |
#define NV40_VP_SRC0_LOW_MASK 0x000001FF |
#define NV40_VP_SRC2_HIGH_SHIFT 11 |
#define NV40_VP_SRC2_HIGH_MASK 0x0001F800 |
#define NV40_VP_SRC2_LOW_MASK 0x000007FF |
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/* Source selection - these are the bits you fill NV40_VP_INST_SRCn with */ |
#define NV40_VP_SRC_NEGATE (1 << 16) |
#define NV40_VP_SRC_SWZ_X_SHIFT 14 |
#define NV40_VP_SRC_SWZ_X_MASK (3 << 14) |
#define NV40_VP_SRC_SWZ_Y_SHIFT 12 |
#define NV40_VP_SRC_SWZ_Y_MASK (3 << 12) |
#define NV40_VP_SRC_SWZ_Z_SHIFT 10 |
#define NV40_VP_SRC_SWZ_Z_MASK (3 << 10) |
#define NV40_VP_SRC_SWZ_W_SHIFT 8 |
#define NV40_VP_SRC_SWZ_W_MASK (3 << 8) |
#define NV40_VP_SRC_SWZ_ALL_SHIFT 8 |
#define NV40_VP_SRC_SWZ_ALL_MASK (0xFF << 8) |
#define NV40_VP_SRC_TEMP_SRC_SHIFT 2 |
#define NV40_VP_SRC_TEMP_SRC_MASK (0x1F << 2) |
#define NV40_VP_SRC_REG_TYPE_SHIFT 0 |
#define NV40_VP_SRC_REG_TYPE_MASK (3 << 0) |
# define NV40_VP_SRC_REG_TYPE_UNK0 0 |
# define NV40_VP_SRC_REG_TYPE_TEMP 1 |
# define NV40_VP_SRC_REG_TYPE_INPUT 2 |
# define NV40_VP_SRC_REG_TYPE_CONST 3 |
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#include "nv30/nvfx_shader.h" |
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#endif |