mirror of
https://github.com/CTCaer/RetroArch.git
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183 lines
7.0 KiB
C
183 lines
7.0 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2014-2016 - Ali Bouhlel
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GX2_SHADER_INL_H
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#define GX2_SHADER_INL_H
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#ifdef MSB_FIRST
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#define to_LE(x) __builtin_bswap32(x)
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#else
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#define to_LE(x) x
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#endif
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/* CF */
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#define CF_WORD0(addr) to_LE(addr)
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#define CF_WORD1(popCount, cfConst, cond, count, callCount, inst) \
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to_LE(popCount | (cfConst << 3) | (cond << 8) | (count << 10) | (callCount << 13) | (inst << 23) | (1 << 31))
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#define CF_ALU_WORD0(addr, kcacheBank0, kcacheBank1, kcacheMode0) \
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to_LE(addr | (kcacheBank0 << 16) | (kcacheBank1 << 20) | (kcacheMode0 << 22))
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#define CF_ALU_WORD1(kcacheMode1, kcacheAddr0, kcacheAddr1, count, altConst, inst) \
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to_LE(kcacheMode1 | (kcacheAddr0 << 2) | (kcacheAddr1 << 10) | (count << 18) | (altConst << 25) | (inst << 26) | (1 << 31))
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#define CF_EXP_WORD0(dstReg_and_type, srcReg, srcRel, indexGpr, elemSize)\
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to_LE(dstReg_and_type | (srcReg << 15) | (srcRel << 22) | (indexGpr << 23) | (elemSize << 30))
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#define CF_EXP_WORD1(srcSelX, srcSelY, srcSelZ, srcSelW, validPixelMode, inst) \
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to_LE(srcSelX | (srcSelY << 3) | (srcSelZ << 6) | (srcSelW << 9) | (validPixelMode << 22) | (inst << 23) | (1 << 31))
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#define NO_BARRIER & to_LE(~(1 << 31))
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#define END_OF_PROGRAM | to_LE(1 << 21)
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#define VALID_PIX | to_LE(1 << 22)
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#define WHOLE_QUAD_MODE | to_LE(1 << 30)
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#define ALU_LAST to_LE(1 << 31) |
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/* ALU */
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#define ALU_WORD0(src0Sel, src0Rel, src0Chan, src0Neg, src1Sel, src1Rel, src1Chan, src1Neg, indexMode, predSel) \
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to_LE(src0Sel | (src0Rel << 9) | (src0Chan << 10) | (src0Neg << 12) | (src1Sel << 13) | (src1Rel << 22) \
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| (src1Chan << 23) | (src1Neg << 25) | (indexMode << 26) | (predSel << 29))
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#define ALU_WORD1_OP2(src0Abs, src1Abs, updateExecuteMask, updatePred, writeMask, omod, inst, encoding, bankSwizzle, dstGpr, dstRel, dstChan, clamp) \
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to_LE(src0Abs | (src1Abs << 1) | (updateExecuteMask << 2) | (updatePred << 3) | (writeMask << 4) | (omod << 5) | (inst << 7) | \
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(encoding << 15) | (bankSwizzle << 18) | (dstGpr << 21) | (dstRel << 28) | (dstChan << 29) | (clamp << 31))
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#define ALU_WORD1_OP3(src2Sel, src2Rel, src2Chan, src2Neg, inst, encoding, bankSwizzle, dstGpr, dstRel, dstChan, clamp) \
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to_LE(src2Sel | (src2Rel << 9) | (src2Chan << 10) | (src2Neg << 12) | (inst << 13) | \
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(encoding << 15) | (bankSwizzle << 18) | (dstGpr << 21) | (dstRel << 28) | (dstChan << 29) | (clamp << 31)
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/* TEX */
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#define TEX_WORD0(inst, bcFracMode, fetchWholeQuad, resourceID, srcReg, srcRel, altConst) \
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to_LE(inst | (bcFracMode << 5) | (fetchWholeQuad << 7) | (resourceID << 8) | (srcReg << 16) | (srcRel << 23) | (altConst << 24))
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#define TEX_WORD1(dstReg, dstRel, dstSelX, dstSelY, dstSelZ, dstSelW, lodBias, coordTypeX, coordTypeY, coordTypeZ, coordTypeW) \
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to_LE(dstReg | (dstRel << 7) | (dstSelX << 9) | (dstSelY << 12) | (dstSelZ << 15) | (dstSelW << 18) | \
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(lodBias << 21) | (coordTypeX << 28) | (coordTypeY << 29) | (coordTypeZ << 30) | (coordTypeW << 31))
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#define TEX_WORD2(offsetX, offsetY, offsetZ, samplerID, srcSelX, srcSelY, srcSelZ, srcSelW) \
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to_LE(offsetX | (offsetY << 5) | (offsetZ << 10) | (samplerID << 15) | (srcSelX << 20) | (srcSelY << 23) | (srcSelZ << 26) | (srcSelW << 29))
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#define _X 0
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#define _Y 1
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#define _Z 2
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#define _W 3
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#define _0 4
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#define _1 5
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#define GX2_COMP_SEL(c0, c1, c2, c3) (((c0) << 24) | ((c1) << 16) | ((c2) << 8) | (c3))
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#define ALU_LITERAL(v) to_LE(v)
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/* SRCx_SEL special constants */
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#define ALU_SRC_1_DBL_L 0xF4
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#define ALU_SRC_1_DBL_M 0xF5
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#define ALU_SRC_0_5_DBL_L 0xF6
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#define ALU_SRC_0_5_DBL_M 0xF7
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#define ALU_SRC_0 0xF8
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#define ALU_SRC_1 0xF9
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#define ALU_SRC_1_INT 0xFA
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#define ALU_SRC_M_1_INT 0xFB
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#define ALU_SRC_0_5 0xFC
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#define ALU_SRC_LITERAL 0xFD
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#define ALU_SRC_PV 0xFE
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#define ALU_SRC_PS 0xFF
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/* CF defines */
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#define CF_COND_ACTIVE 0x0
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#define CF_COND_FALSE 0x1
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#define CF_COND_BOOL 0x2
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#define CF_COND_NOT_BOOL 0x3
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/* TEX defines */
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#define TEX_UNNORMALIZED 0x0
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#define TEX_NORMALIZED 0x1
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/* instructions */
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/* CF */
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#define CF_INST_TEX 0x01
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#define CF_INST_CALL_FS 0x13
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/* ALU */
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#define ALU_INST_ALU 0x8
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#define OP2_INST_MOV 0x19
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/* EXP */
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#define CF_INST_EXP_DONE 0x28
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/* TEX */
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#define TEX_INST_SAMPLE 0x10
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/* EXPORT_TYPE */
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#define EXPORT_TYPE_PIXEL 0x0
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#define EXPORT_TYPE_POS 0x1
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#define EXPORT_TYPE_PARAM 0x2
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#define EXPORT_ARRAY_BASE_POS(id) (0x3C + id) // [0, 3]
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#define EXPORT_ARRAY_BASE_PARAM(id) id // [0, 31]
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#define EXPORT_ARRAY_BASE_PIX(id) id
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/* exports */
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#define POS(id) EXPORT_ARRAY_BASE_POS(id) | (EXPORT_TYPE_POS << 13)
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#define PARAM(id) EXPORT_ARRAY_BASE_PARAM(id) | (EXPORT_TYPE_PARAM << 13)
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#define PIX(id) EXPORT_ARRAY_BASE_PIX(id) | (EXPORT_TYPE_PIXEL << 13)
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#define POS0 POS(0)
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#define PARAM0 PARAM(0)
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#define PIX0 PIX(0)
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/* registers */
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#define _R(x) x
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#define _R0 _R(0x0)
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#define _R1 _R(0x1)
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#define _R2 _R(0x2)
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/* texture */
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#define _t(x) x
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#define _t0 _t(0x0)
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/* sampler */
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#define _s(x) x
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#define _s0 _s(0x0)
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#define CALL_FS CF_WORD0(0), CF_WORD1(0,0,0,0,0,CF_INST_CALL_FS)
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#define TEX(addr, cnt) CF_WORD0(addr), CF_WORD1(0x0, 0x0, CF_COND_ACTIVE, 0x0, (cnt - 1), CF_INST_TEX)
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#define ALU(addr, cnt) CF_ALU_WORD0(addr, 0x0, 0x0, 0x0), CF_ALU_WORD1(0x0, 0x0, 0x0, (cnt - 1), 0x0, ALU_INST_ALU)
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#define EXP_DONE(dstReg_and_type, srcReg, srcSelX, srcSelY, srcSelZ, srcSelW) CF_EXP_WORD0(dstReg_and_type, srcReg, 0x0, 0x0, 0x0), \
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CF_EXP_WORD1(srcSelX, srcSelY, srcSelZ, srcSelW, 0x0, CF_INST_EXP_DONE)
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#define ALU_MOV(dstGpr, dstChan, src0Sel, src0Chan) ALU_WORD0(src0Sel, 0x0, src0Chan, 0x0, ALU_SRC_0, 0x0, 0x0, 0x0, 0x0, 0x0), \
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ALU_WORD1_OP2(0x0, 0x0, 0x0, 0x0, 0x1, 0x0, OP2_INST_MOV, 0x0, 0x0, dstGpr, 0x0, dstChan, 0x0)
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#define TEX_SAMPLE(dstReg, dstSelX, dstSelY, dstSelZ, dstSelW, srcReg, srcSelX, srcSelY, srcSelZ, srcSelW, resourceID, samplerID)\
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TEX_WORD0(TEX_INST_SAMPLE, 0x0, 0x0, resourceID, srcReg, 0x0, 0x0), \
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TEX_WORD1(dstReg, 0x0, dstSelX, dstSelY, dstSelZ, dstSelW, 0x0, TEX_NORMALIZED, TEX_NORMALIZED, TEX_NORMALIZED, TEX_NORMALIZED), \
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TEX_WORD2(0x0, 0x0, 0x0, samplerID, _X, _Y, _0, _X)
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#define _x2(v) v, v
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#define _x4(v) _x2(v), _x2(v)
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#define _x8(v) _x4(v), _x4(v)
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#define _x16(v) _x8(v), _x8(v)
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#define _x9(v) _x8(v), v
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#define _x30(v) _x16(v), _x8(v), _x4(v),_x2(v)
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#define _x31(v) _x30(v), v
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#endif // GX2_SHADER_INL_H
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