diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/freedreno/Makefile.sources | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/freedreno/a3xx/fd3_program.c | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_lowering.c | 1573 | ||||
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_lowering.h | 89 | ||||
| -rw-r--r-- | src/gallium/drivers/freedreno/ir3/ir3_cmdline.c | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/freedreno/ir3/ir3_compiler.c | 6 | ||||
| -rw-r--r-- | src/gallium/drivers/freedreno/ir3/ir3_compiler_old.c | 6 | ||||
| -rw-r--r-- | src/gallium/drivers/freedreno/ir3/ir3_shader.c | 1 |
8 files changed, 6 insertions, 1673 deletions
diff --git a/src/gallium/drivers/freedreno/Makefile.sources b/src/gallium/drivers/freedreno/Makefile.sources index 9d4cbe38157..edaaadfb478 100644 --- a/src/gallium/drivers/freedreno/Makefile.sources +++ b/src/gallium/drivers/freedreno/Makefile.sources @@ -10,8 +10,6 @@ C_SOURCES := \ freedreno_fence.h \ freedreno_gmem.c \ freedreno_gmem.h \ - freedreno_lowering.c \ - freedreno_lowering.h \ freedreno_program.c \ freedreno_program.h \ freedreno_query.c \ diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_program.c b/src/gallium/drivers/freedreno/a3xx/fd3_program.c index 64c9668129b..46a9398a7b4 100644 --- a/src/gallium/drivers/freedreno/a3xx/fd3_program.c +++ b/src/gallium/drivers/freedreno/a3xx/fd3_program.c @@ -34,7 +34,6 @@ #include "tgsi/tgsi_dump.h" #include "tgsi/tgsi_parse.h" -#include "freedreno_lowering.h" #include "freedreno_program.h" #include "fd3_program.h" diff --git a/src/gallium/drivers/freedreno/freedreno_lowering.c b/src/gallium/drivers/freedreno/freedreno_lowering.c deleted file mode 100644 index 795b53729d6..00000000000 --- a/src/gallium/drivers/freedreno/freedreno_lowering.c +++ /dev/null @@ -1,1573 +0,0 @@ -/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ - -/* - * Copyright (C) 2014 Rob Clark <[email protected]> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Authors: - * Rob Clark <[email protected]> - */ - -#include "tgsi/tgsi_transform.h" -#include "tgsi/tgsi_scan.h" -#include "tgsi/tgsi_dump.h" - -#include "util/u_debug.h" -#include "util/u_math.h" - -#include "freedreno_lowering.h" - -struct fd_lowering_context { - struct tgsi_transform_context base; - const struct fd_lowering_config *config; - struct tgsi_shader_info *info; - unsigned two_side_colors; - unsigned two_side_idx[PIPE_MAX_SHADER_INPUTS]; - unsigned color_base; /* base register for chosen COLOR/BCOLOR's */ - int face_idx; - unsigned numtmp; - struct { - struct tgsi_full_src_register src; - struct tgsi_full_dst_register dst; - } tmp[2]; -#define A 0 -#define B 1 - struct tgsi_full_src_register imm; - int emitted_decls; - unsigned saturate; -}; - -static inline struct fd_lowering_context * -fd_lowering_context(struct tgsi_transform_context *tctx) -{ - return (struct fd_lowering_context *)tctx; -} - -/* - * Utility helpers: - */ - -static void -reg_dst(struct tgsi_full_dst_register *dst, - const struct tgsi_full_dst_register *orig_dst, unsigned wrmask) -{ - *dst = *orig_dst; - dst->Register.WriteMask &= wrmask; - assert(dst->Register.WriteMask); -} - -static inline void -get_swiz(unsigned *swiz, const struct tgsi_src_register *src) -{ - swiz[0] = src->SwizzleX; - swiz[1] = src->SwizzleY; - swiz[2] = src->SwizzleZ; - swiz[3] = src->SwizzleW; -} - -static void -reg_src(struct tgsi_full_src_register *src, - const struct tgsi_full_src_register *orig_src, - unsigned sx, unsigned sy, unsigned sz, unsigned sw) -{ - unsigned swiz[4]; - get_swiz(swiz, &orig_src->Register); - *src = *orig_src; - src->Register.SwizzleX = swiz[sx]; - src->Register.SwizzleY = swiz[sy]; - src->Register.SwizzleZ = swiz[sz]; - src->Register.SwizzleW = swiz[sw]; -} - -#define TGSI_SWIZZLE__ TGSI_SWIZZLE_X /* don't-care value! */ -#define SWIZ(x,y,z,w) TGSI_SWIZZLE_ ## x, TGSI_SWIZZLE_ ## y, \ - TGSI_SWIZZLE_ ## z, TGSI_SWIZZLE_ ## w - -/* - * if (dst.x aliases src.x) { - * MOV tmpA.x, src.x - * src = tmpA - * } - * COS dst.x, src.x - * SIN dst.y, src.x - * MOV dst.zw, imm{0.0, 1.0} - */ -static bool -aliases(const struct tgsi_full_dst_register *dst, unsigned dst_mask, - const struct tgsi_full_src_register *src, unsigned src_mask) -{ - if ((dst->Register.File == src->Register.File) && - (dst->Register.Index == src->Register.Index)) { - unsigned i, actual_mask = 0; - unsigned swiz[4]; - get_swiz(swiz, &src->Register); - for (i = 0; i < 4; i++) - if (src_mask & (1 << i)) - actual_mask |= (1 << swiz[i]); - if (actual_mask & dst_mask) - return true; - } - return false; -} - -static void -create_mov(struct tgsi_transform_context *tctx, - const struct tgsi_full_dst_register *dst, - const struct tgsi_full_src_register *src, - unsigned mask, unsigned saturate) -{ - struct tgsi_full_instruction new_inst; - - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.Saturate = saturate; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, mask); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], src, SWIZ(X,Y,Z,W)); - tctx->emit_instruction(tctx, &new_inst); -} - -/* to help calculate # of tgsi tokens for a lowering.. we assume - * the worst case, ie. removed instructions don't have ADDR[] or - * anything which increases the # of tokens per src/dst and the - * inserted instructions do. - * - * OINST() - old instruction - * 1 : instruction itself - * 1 : dst - * 1 * nargs : srcN - * - * NINST() - new instruction - * 1 : instruction itself - * 2 : dst - * 2 * nargs : srcN - */ - -#define OINST(nargs) (1 + 1 + 1 * (nargs)) -#define NINST(nargs) (1 + 2 + 2 * (nargs)) - -/* - * Lowering Translators: - */ - -/* DST - Distance Vector - * dst.x = 1.0 - * dst.y = src0.y \times src1.y - * dst.z = src0.z - * dst.w = src1.w - * - * ; note: could be more clever and use just a single temp - * ; if I was clever enough to re-write the swizzles. - * ; needs: 2 tmp, imm{1.0} - * if (dst.y aliases src0.z) { - * MOV tmpA.yz, src0.yz - * src0 = tmpA - * } - * if (dst.yz aliases src1.w) { - * MOV tmpB.yw, src1.yw - * src1 = tmpB - * } - * MUL dst.y, src0.y, src1.y - * MOV dst.z, src0.z - * MOV dst.w, src1.w - * MOV dst.x, imm{1.0} - */ -#define DST_GROW (NINST(1) + NINST(1) + NINST(2) + NINST(1) + \ - NINST(1) + NINST(1) - OINST(2)) -#define DST_TMP 2 -static void -transform_dst(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_dst_register *dst = &inst->Dst[0]; - struct tgsi_full_src_register *src0 = &inst->Src[0]; - struct tgsi_full_src_register *src1 = &inst->Src[1]; - struct tgsi_full_instruction new_inst; - - if (aliases(dst, TGSI_WRITEMASK_Y, src0, TGSI_WRITEMASK_Z)) { - create_mov(tctx, &ctx->tmp[A].dst, src0, TGSI_WRITEMASK_YZ, 0); - src0 = &ctx->tmp[A].src; - } - - if (aliases(dst, TGSI_WRITEMASK_YZ, src1, TGSI_WRITEMASK_W)) { - create_mov(tctx, &ctx->tmp[B].dst, src1, TGSI_WRITEMASK_YW, 0); - src1 = &ctx->tmp[B].src; - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_Y) { - /* MUL dst.y, src0.y, src1.y */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MUL; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_Y); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src0, SWIZ(_,Y,_,_)); - reg_src(&new_inst.Src[1], src1, SWIZ(_,Y,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_Z) { - /* MOV dst.z, src0.z */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_Z); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], src0, SWIZ(_,_,Z,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_W) { - /* MOV dst.w, src1.w */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_W); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], src1, SWIZ(_,_,_,W)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_X) { - /* MOV dst.x, imm{1.0} */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->imm, SWIZ(Y,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } -} - -/* XPD - Cross Product - * dst.x = src0.y \times src1.z - src1.y \times src0.z - * dst.y = src0.z \times src1.x - src1.z \times src0.x - * dst.z = src0.x \times src1.y - src1.x \times src0.y - * dst.w = 1.0 - * - * ; needs: 2 tmp, imm{1.0} - * MUL tmpA.xyz, src0.yzx, src1.zxy - * MUL tmpB.xyz, src1.yzx, src0.zxy - * SUB dst.xyz, tmpA.xyz, tmpB.xyz - * MOV dst.w, imm{1.0} - */ -#define XPD_GROW (NINST(2) + NINST(2) + NINST(2) + NINST(1) - OINST(2)) -#define XPD_TMP 2 -static void -transform_xpd(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_dst_register *dst = &inst->Dst[0]; - struct tgsi_full_src_register *src0 = &inst->Src[0]; - struct tgsi_full_src_register *src1 = &inst->Src[1]; - struct tgsi_full_instruction new_inst; - - if (dst->Register.WriteMask & TGSI_WRITEMASK_XYZ) { - /* MUL tmpA.xyz, src0.yzx, src1.zxy */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MUL; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_XYZ); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src0, SWIZ(Y,Z,X,_)); - reg_src(&new_inst.Src[1], src1, SWIZ(Z,X,Y,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* MUL tmpB.xyz, src1.yzx, src0.zxy */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MUL; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[B].dst, TGSI_WRITEMASK_XYZ); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src1, SWIZ(Y,Z,X,_)); - reg_src(&new_inst.Src[1], src0, SWIZ(Z,X,Y,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* SUB dst.xyz, tmpA.xyz, tmpB.xyz */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_SUB; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_XYZ); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(X,Y,Z,_)); - reg_src(&new_inst.Src[1], &ctx->tmp[B].src, SWIZ(X,Y,Z,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_W) { - /* MOV dst.w, imm{1.0} */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_W); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->imm, SWIZ(_,_,_,Y)); - tctx->emit_instruction(tctx, &new_inst); - } -} - -/* SCS - Sine Cosine - * dst.x = \cos{src.x} - * dst.y = \sin{src.x} - * dst.z = 0.0 - * dst.w = 1.0 - * - * ; needs: 1 tmp, imm{0.0, 1.0} - * if (dst.x aliases src.x) { - * MOV tmpA.x, src.x - * src = tmpA - * } - * COS dst.x, src.x - * SIN dst.y, src.x - * MOV dst.zw, imm{0.0, 1.0} - */ -#define SCS_GROW (NINST(1) + NINST(1) + NINST(1) + NINST(1) - OINST(1)) -#define SCS_TMP 1 -static void -transform_scs(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_dst_register *dst = &inst->Dst[0]; - struct tgsi_full_src_register *src = &inst->Src[0]; - struct tgsi_full_instruction new_inst; - - if (aliases(dst, TGSI_WRITEMASK_X, src, TGSI_WRITEMASK_X)) { - create_mov(tctx, &ctx->tmp[A].dst, src, TGSI_WRITEMASK_X, 0); - src = &ctx->tmp[A].src; - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_X) { - /* COS dst.x, src.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_COS; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], src, SWIZ(X,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_Y) { - /* SIN dst.y, src.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_SIN; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_Y); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], src, SWIZ(X,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_ZW) { - /* MOV dst.zw, imm{0.0, 1.0} */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_ZW); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->imm, SWIZ(_,_,X,Y)); - tctx->emit_instruction(tctx, &new_inst); - } -} - -/* LRP - Linear Interpolate - * dst.x = src0.x \times src1.x + (1.0 - src0.x) \times src2.x - * dst.y = src0.y \times src1.y + (1.0 - src0.y) \times src2.y - * dst.z = src0.z \times src1.z + (1.0 - src0.z) \times src2.z - * dst.w = src0.w \times src1.w + (1.0 - src0.w) \times src2.w - * - * ; needs: 2 tmp, imm{1.0} - * MUL tmpA, src0, src1 - * SUB tmpB, imm{1.0}, src0 - * MUL tmpB, tmpB, src2 - * ADD dst, tmpA, tmpB - */ -#define LRP_GROW (NINST(2) + NINST(2) + NINST(2) + NINST(2) - OINST(3)) -#define LRP_TMP 2 -static void -transform_lrp(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_dst_register *dst = &inst->Dst[0]; - struct tgsi_full_src_register *src0 = &inst->Src[0]; - struct tgsi_full_src_register *src1 = &inst->Src[1]; - struct tgsi_full_src_register *src2 = &inst->Src[2]; - struct tgsi_full_instruction new_inst; - - if (dst->Register.WriteMask & TGSI_WRITEMASK_XYZW) { - /* MUL tmpA, src0, src1 */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MUL; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_XYZW); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src0, SWIZ(X,Y,Z,W)); - reg_src(&new_inst.Src[1], src1, SWIZ(X,Y,Z,W)); - tctx->emit_instruction(tctx, &new_inst); - - /* SUB tmpB, imm{1.0}, src0 */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_SUB; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[B].dst, TGSI_WRITEMASK_XYZW); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], &ctx->imm, SWIZ(Y,Y,Y,Y)); - reg_src(&new_inst.Src[1], src0, SWIZ(X,Y,Z,W)); - tctx->emit_instruction(tctx, &new_inst); - - /* MUL tmpB, tmpB, src2 */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MUL; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[B].dst, TGSI_WRITEMASK_XYZW); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], &ctx->tmp[B].src, SWIZ(X,Y,Z,W)); - reg_src(&new_inst.Src[1], src2, SWIZ(X,Y,Z,W)); - tctx->emit_instruction(tctx, &new_inst); - - /* ADD dst, tmpA, tmpB */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_ADD; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_XYZW); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(X,Y,Z,W)); - reg_src(&new_inst.Src[1], &ctx->tmp[B].src, SWIZ(X,Y,Z,W)); - tctx->emit_instruction(tctx, &new_inst); - } -} - -/* FRC - Fraction - * dst.x = src.x - \lfloor src.x\rfloor - * dst.y = src.y - \lfloor src.y\rfloor - * dst.z = src.z - \lfloor src.z\rfloor - * dst.w = src.w - \lfloor src.w\rfloor - * - * ; needs: 1 tmp - * FLR tmpA, src - * SUB dst, src, tmpA - */ -#define FRC_GROW (NINST(1) + NINST(2) - OINST(1)) -#define FRC_TMP 1 -static void -transform_frc(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_dst_register *dst = &inst->Dst[0]; - struct tgsi_full_src_register *src = &inst->Src[0]; - struct tgsi_full_instruction new_inst; - - if (dst->Register.WriteMask & TGSI_WRITEMASK_XYZW) { - /* FLR tmpA, src */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_FLR; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_XYZW); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], src, SWIZ(X,Y,Z,W)); - tctx->emit_instruction(tctx, &new_inst); - - /* SUB dst, src, tmpA */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_SUB; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_XYZW); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src, SWIZ(X,Y,Z,W)); - reg_src(&new_inst.Src[1], &ctx->tmp[A].src, SWIZ(X,Y,Z,W)); - tctx->emit_instruction(tctx, &new_inst); - } -} - -/* POW - Power - * dst.x = src0.x^{src1.x} - * dst.y = src0.x^{src1.x} - * dst.z = src0.x^{src1.x} - * dst.w = src0.x^{src1.x} - * - * ; needs: 1 tmp - * LG2 tmpA.x, src0.x - * MUL tmpA.x, src1.x, tmpA.x - * EX2 dst, tmpA.x - */ -#define POW_GROW (NINST(1) + NINST(2) + NINST(1) - OINST(2)) -#define POW_TMP 1 -static void -transform_pow(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_dst_register *dst = &inst->Dst[0]; - struct tgsi_full_src_register *src0 = &inst->Src[0]; - struct tgsi_full_src_register *src1 = &inst->Src[1]; - struct tgsi_full_instruction new_inst; - - if (dst->Register.WriteMask & TGSI_WRITEMASK_XYZW) { - /* LG2 tmpA.x, src0.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_LG2; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], src0, SWIZ(X,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* MUL tmpA.x, src1.x, tmpA.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MUL; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src1, SWIZ(X,_,_,_)); - reg_src(&new_inst.Src[1], &ctx->tmp[A].src, SWIZ(X,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* EX2 dst, tmpA.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_EX2; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_XYZW); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(X,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } -} - -/* LIT - Light Coefficients - * dst.x = 1.0 - * dst.y = max(src.x, 0.0) - * dst.z = (src.x > 0.0) ? max(src.y, 0.0)^{clamp(src.w, -128.0, 128.0))} : 0 - * dst.w = 1.0 - * - * ; needs: 1 tmp, imm{0.0}, imm{1.0}, imm{128.0} - * MAX tmpA.xy, src.xy, imm{0.0} - * CLAMP tmpA.z, src.w, -imm{128.0}, imm{128.0} - * LG2 tmpA.y, tmpA.y - * MUL tmpA.y, tmpA.z, tmpA.y - * EX2 tmpA.y, tmpA.y - * CMP tmpA.y, -src.x, tmpA.y, imm{0.0} - * MOV dst.yz, tmpA.xy - * MOV dst.xw, imm{1.0} - */ -#define LIT_GROW (NINST(1) + NINST(3) + NINST(1) + NINST(2) + \ - NINST(1) + NINST(3) + NINST(1) + NINST(1) - OINST(1)) -#define LIT_TMP 1 -static void -transform_lit(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_dst_register *dst = &inst->Dst[0]; - struct tgsi_full_src_register *src = &inst->Src[0]; - struct tgsi_full_instruction new_inst; - - if (dst->Register.WriteMask & TGSI_WRITEMASK_YZ) { - /* MAX tmpA.xy, src.xy, imm{0.0} */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MAX; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_XY); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src, SWIZ(X,Y,_,_)); - reg_src(&new_inst.Src[1], &ctx->imm, SWIZ(X,X,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* CLAMP tmpA.z, src.w, -imm{128.0}, imm{128.0} */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_CLAMP; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_Z); - new_inst.Instruction.NumSrcRegs = 3; - reg_src(&new_inst.Src[0], src, SWIZ(_,_,W,_)); - reg_src(&new_inst.Src[1], &ctx->imm, SWIZ(_,_,Z,_)); - new_inst.Src[1].Register.Negate = true; - reg_src(&new_inst.Src[2], &ctx->imm, SWIZ(_,_,Z,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* LG2 tmpA.y, tmpA.y */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_LG2; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_Y); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(Y,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* MUL tmpA.y, tmpA.z, tmpA.y */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MUL; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_Y); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(_,Z,_,_)); - reg_src(&new_inst.Src[1], &ctx->tmp[A].src, SWIZ(_,Y,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* EX2 tmpA.y, tmpA.y */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_EX2; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_Y); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(Y,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* CMP tmpA.y, -src.x, tmpA.y, imm{0.0} */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_CMP; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_Y); - new_inst.Instruction.NumSrcRegs = 3; - reg_src(&new_inst.Src[0], src, SWIZ(_,X,_,_)); - new_inst.Src[0].Register.Negate = true; - reg_src(&new_inst.Src[1], &ctx->tmp[A].src, SWIZ(_,Y,_,_)); - reg_src(&new_inst.Src[2], &ctx->imm, SWIZ(_,X,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* MOV dst.yz, tmpA.xy */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_YZ); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(_,X,Y,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_XW) { - /* MOV dst.xw, imm{1.0} */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_XW); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->imm, SWIZ(Y,_,_,Y)); - tctx->emit_instruction(tctx, &new_inst); - } -} - -/* EXP - Approximate Exponential Base 2 - * dst.x = 2^{\lfloor src.x\rfloor} - * dst.y = src.x - \lfloor src.x\rfloor - * dst.z = 2^{src.x} - * dst.w = 1.0 - * - * ; needs: 1 tmp, imm{1.0} - * FLR tmpA.x, src.x - * EX2 tmpA.y, src.x - * SUB dst.y, src.x, tmpA.x - * EX2 dst.x, tmpA.x - * MOV dst.z, tmpA.y - * MOV dst.w, imm{1.0} - */ -#define EXP_GROW (NINST(1) + NINST(1) + NINST(2) + NINST(1) + \ - NINST(1)+ NINST(1) - OINST(1)) -#define EXP_TMP 1 -static void -transform_exp(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_dst_register *dst = &inst->Dst[0]; - struct tgsi_full_src_register *src = &inst->Src[0]; - struct tgsi_full_instruction new_inst; - - if (dst->Register.WriteMask & TGSI_WRITEMASK_XY) { - /* FLR tmpA.x, src.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_FLR; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], src, SWIZ(X,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_Z) { - /* EX2 tmpA.y, src.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_EX2; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_Y); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], src, SWIZ(X,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_Y) { - /* SUB dst.y, src.x, tmpA.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_SUB; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_Y); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src, SWIZ(_,X,_,_)); - reg_src(&new_inst.Src[1], &ctx->tmp[A].src, SWIZ(_,X,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_X) { - /* EX2 dst.x, tmpA.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_EX2; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(X,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_Z) { - /* MOV dst.z, tmpA.y */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_Z); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(_,_,Y,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_W) { - /* MOV dst.w, imm{1.0} */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_W); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->imm, SWIZ(_,_,_,Y)); - tctx->emit_instruction(tctx, &new_inst); - } -} - -/* LOG - Approximate Logarithm Base 2 - * dst.x = \lfloor\log_2{|src.x|}\rfloor - * dst.y = \frac{|src.x|}{2^{\lfloor\log_2{|src.x|}\rfloor}} - * dst.z = \log_2{|src.x|} - * dst.w = 1.0 - * - * ; needs: 1 tmp, imm{1.0} - * LG2 tmpA.x, |src.x| - * FLR tmpA.y, tmpA.x - * EX2 tmpA.z, tmpA.y - * RCP tmpA.z, tmpA.z - * MUL dst.y, |src.x|, tmpA.z - * MOV dst.xz, tmpA.yx - * MOV dst.w, imm{1.0} - */ -#define LOG_GROW (NINST(1) + NINST(1) + NINST(1) + NINST(1) + \ - NINST(2) + NINST(1) + NINST(1) - OINST(1)) -#define LOG_TMP 1 -static void -transform_log(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_dst_register *dst = &inst->Dst[0]; - struct tgsi_full_src_register *src = &inst->Src[0]; - struct tgsi_full_instruction new_inst; - - if (dst->Register.WriteMask & TGSI_WRITEMASK_XYZ) { - /* LG2 tmpA.x, |src.x| */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_LG2; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], src, SWIZ(X,_,_,_)); - new_inst.Src[0].Register.Absolute = true; - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_XY) { - /* FLR tmpA.y, tmpA.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_FLR; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_Y); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(_,X,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_Y) { - /* EX2 tmpA.z, tmpA.y */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_EX2; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_Z); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(Y,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* RCP tmpA.z, tmpA.z */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_RCP; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_Z); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(Z,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* MUL dst.y, |src.x|, tmpA.z */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MUL; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_Y); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src, SWIZ(_,X,_,_)); - new_inst.Src[0].Register.Absolute = true; - reg_src(&new_inst.Src[1], &ctx->tmp[A].src, SWIZ(_,Z,_,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_XZ) { - /* MOV dst.xz, tmpA.yx */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_XZ); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(Y,_,X,_)); - tctx->emit_instruction(tctx, &new_inst); - } - - if (dst->Register.WriteMask & TGSI_WRITEMASK_W) { - /* MOV dst.w, imm{1.0} */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MOV; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_W); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->imm, SWIZ(_,_,_,Y)); - tctx->emit_instruction(tctx, &new_inst); - } -} - -/* DP4 - 4-component Dot Product - * dst = src0.x \times src1.x + src0.y \times src1.y + src0.z \times src1.z + src0.w \times src1.w - * - * DP3 - 3-component Dot Product - * dst = src0.x \times src1.x + src0.y \times src1.y + src0.z \times src1.z - * - * DPH - Homogeneous Dot Product - * dst = src0.x \times src1.x + src0.y \times src1.y + src0.z \times src1.z + src1.w - * - * DP2 - 2-component Dot Product - * dst = src0.x \times src1.x + src0.y \times src1.y - * - * DP2A - 2-component Dot Product And Add - * dst = src0.x \times src1.x + src0.y \times src1.y + src2.x - * - * NOTE: these are translated into sequence of MUL/MAD(/ADD) scalar - * operations, which is what you'd prefer for a ISA that is natively - * scalar. Probably a native vector ISA would at least already have - * DP4/DP3 instructions, but perhaps there is room for an alternative - * translation for DPH/DP2/DP2A using vector instructions. - * - * ; needs: 1 tmp - * MUL tmpA.x, src0.x, src1.x - * MAD tmpA.x, src0.y, src1.y, tmpA.x - * if (DPH || DP3 || DP4) { - * MAD tmpA.x, src0.z, src1.z, tmpA.x - * if (DPH) { - * ADD tmpA.x, src1.w, tmpA.x - * } else if (DP4) { - * MAD tmpA.x, src0.w, src1.w, tmpA.x - * } - * } else if (DP2A) { - * ADD tmpA.x, src2.x, tmpA.x - * } - * ; fixup last instruction to replicate into dst - */ -#define DP4_GROW (NINST(2) + NINST(3) + NINST(3) + NINST(3) - OINST(2)) -#define DP3_GROW (NINST(2) + NINST(3) + NINST(3) - OINST(2)) -#define DPH_GROW (NINST(2) + NINST(3) + NINST(3) + NINST(2) - OINST(2)) -#define DP2_GROW (NINST(2) + NINST(3) - OINST(2)) -#define DP2A_GROW (NINST(2) + NINST(3) + NINST(2) - OINST(3)) -#define DOTP_TMP 1 -static void -transform_dotp(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_dst_register *dst = &inst->Dst[0]; - struct tgsi_full_src_register *src0 = &inst->Src[0]; - struct tgsi_full_src_register *src1 = &inst->Src[1]; - struct tgsi_full_src_register *src2 = &inst->Src[2]; /* only DP2A */ - struct tgsi_full_instruction new_inst; - unsigned opcode = inst->Instruction.Opcode; - - /* NOTE: any potential last instruction must replicate src on all - * components (since it could be re-written to write to final dst) - */ - - if (dst->Register.WriteMask & TGSI_WRITEMASK_XYZW) { - /* MUL tmpA.x, src0.x, src1.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MUL; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src0, SWIZ(X,_,_,_)); - reg_src(&new_inst.Src[1], src1, SWIZ(X,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* MAD tmpA.x, src0.y, src1.y, tmpA.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MAD; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 3; - reg_src(&new_inst.Src[0], src0, SWIZ(Y,Y,Y,Y)); - reg_src(&new_inst.Src[1], src1, SWIZ(Y,Y,Y,Y)); - reg_src(&new_inst.Src[2], &ctx->tmp[A].src, SWIZ(X,X,X,X)); - - if ((opcode == TGSI_OPCODE_DPH) || - (opcode == TGSI_OPCODE_DP3) || - (opcode == TGSI_OPCODE_DP4)) { - tctx->emit_instruction(tctx, &new_inst); - - /* MAD tmpA.x, src0.z, src1.z, tmpA.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MAD; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 3; - reg_src(&new_inst.Src[0], src0, SWIZ(Z,Z,Z,Z)); - reg_src(&new_inst.Src[1], src1, SWIZ(Z,Z,Z,Z)); - reg_src(&new_inst.Src[2], &ctx->tmp[A].src, SWIZ(X,X,X,X)); - - if (opcode == TGSI_OPCODE_DPH) { - tctx->emit_instruction(tctx, &new_inst); - - /* ADD tmpA.x, src1.w, tmpA.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_ADD; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src1, SWIZ(W,W,W,W)); - reg_src(&new_inst.Src[1], &ctx->tmp[A].src, SWIZ(X,X,X,X)); - } else if (opcode == TGSI_OPCODE_DP4) { - tctx->emit_instruction(tctx, &new_inst); - - /* MAD tmpA.x, src0.w, src1.w, tmpA.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MAD; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 3; - reg_src(&new_inst.Src[0], src0, SWIZ(W,W,W,W)); - reg_src(&new_inst.Src[1], src1, SWIZ(W,W,W,W)); - reg_src(&new_inst.Src[2], &ctx->tmp[A].src, SWIZ(X,X,X,X)); - } - } else if (opcode == TGSI_OPCODE_DP2A) { - tctx->emit_instruction(tctx, &new_inst); - - /* ADD tmpA.x, src2.x, tmpA.x */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_ADD; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], src2, SWIZ(X,X,X,X)); - reg_src(&new_inst.Src[1], &ctx->tmp[A].src, SWIZ(X,X,X,X)); - } - - /* fixup last instruction to write to dst: */ - reg_dst(&new_inst.Dst[0], dst, TGSI_WRITEMASK_XYZW); - - tctx->emit_instruction(tctx, &new_inst); - } -} - -/* Inserts a MOV_SAT for the needed components of tex coord. Note that - * in the case of TXP, the clamping must happen *after* projection, so - * we need to lower TXP to TEX. - * - * MOV tmpA, src0 - * if (opc == TXP) { - * ; do perspective division manually before clamping: - * RCP tmpB, tmpA.w - * MUL tmpB.<pmask>, tmpA, tmpB.xxxx - * opc = TEX; - * } - * MOV_SAT tmpA.<mask>, tmpA ; <mask> is the clamped s/t/r coords - * <opc> dst, tmpA, ... - */ -#define SAMP_GROW (NINST(1) + NINST(1) + NINST(2) + NINST(1)) -#define SAMP_TMP 2 -static int -transform_samp(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_full_src_register *coord = &inst->Src[0]; - struct tgsi_full_src_register *samp; - struct tgsi_full_instruction new_inst; - /* mask is clamped coords, pmask is all coords (for projection): */ - unsigned mask = 0, pmask = 0, smask; - unsigned opcode = inst->Instruction.Opcode; - - if (opcode == TGSI_OPCODE_TXB2) { - samp = &inst->Src[2]; - } else { - samp = &inst->Src[1]; - } - - /* convert sampler # to bitmask to test: */ - smask = 1 << samp->Register.Index; - - /* check if we actually need to lower this one: */ - if (!(ctx->saturate & smask)) - return -1; - - /* figure out which coordinates need saturating: - * - RECT textures should not get saturated - * - array index coords should not get saturated - */ - switch (inst->Texture.Texture) { - case TGSI_TEXTURE_3D: - case TGSI_TEXTURE_CUBE: - case TGSI_TEXTURE_CUBE_ARRAY: - case TGSI_TEXTURE_SHADOWCUBE: - case TGSI_TEXTURE_SHADOWCUBE_ARRAY: - if (ctx->config->saturate_r & smask) - mask |= TGSI_WRITEMASK_Z; - pmask |= TGSI_WRITEMASK_Z; - /* fallthrough */ - - case TGSI_TEXTURE_2D: - case TGSI_TEXTURE_2D_ARRAY: - case TGSI_TEXTURE_SHADOW2D: - case TGSI_TEXTURE_SHADOW2D_ARRAY: - case TGSI_TEXTURE_2D_MSAA: - case TGSI_TEXTURE_2D_ARRAY_MSAA: - if (ctx->config->saturate_t & smask) - mask |= TGSI_WRITEMASK_Y; - pmask |= TGSI_WRITEMASK_Y; - /* fallthrough */ - - case TGSI_TEXTURE_1D: - case TGSI_TEXTURE_1D_ARRAY: - case TGSI_TEXTURE_SHADOW1D: - case TGSI_TEXTURE_SHADOW1D_ARRAY: - if (ctx->config->saturate_s & smask) - mask |= TGSI_WRITEMASK_X; - pmask |= TGSI_WRITEMASK_X; - break; - - /* TODO: I think we should ignore these? - case TGSI_TEXTURE_RECT: - case TGSI_TEXTURE_SHADOWRECT: - */ - } - - /* sanity check.. driver could be asking to saturate a non- - * existent coordinate component: - */ - if (!mask) - return -1; - - /* MOV tmpA, src0 */ - create_mov(tctx, &ctx->tmp[A].dst, coord, TGSI_WRITEMASK_XYZW, 0); - - /* This is a bit sad.. we need to clamp *after* the coords - * are projected, which means lowering TXP to TEX and doing - * the projection ourself. But since I haven't figured out - * how to make the lowering code deliver an electric shock - * to anyone using GL_CLAMP, we must do this instead: - */ - if (opcode == TGSI_OPCODE_TXP) { - /* RCP tmpB.x tmpA.w */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_RCP; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[B].dst, TGSI_WRITEMASK_X); - new_inst.Instruction.NumSrcRegs = 1; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(W,_,_,_)); - tctx->emit_instruction(tctx, &new_inst); - - /* MUL tmpA.mask, tmpA, tmpB.xxxx */ - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_MUL; - new_inst.Instruction.NumDstRegs = 1; - reg_dst(&new_inst.Dst[0], &ctx->tmp[A].dst, pmask); - new_inst.Instruction.NumSrcRegs = 2; - reg_src(&new_inst.Src[0], &ctx->tmp[A].src, SWIZ(X,Y,Z,W)); - reg_src(&new_inst.Src[1], &ctx->tmp[B].src, SWIZ(X,X,X,X)); - tctx->emit_instruction(tctx, &new_inst); - - opcode = TGSI_OPCODE_TEX; - } - - /* MOV_SAT tmpA.<mask>, tmpA */ - create_mov(tctx, &ctx->tmp[A].dst, &ctx->tmp[A].src, mask, - TGSI_SAT_ZERO_ONE); - - /* modify the texture samp instruction to take fixed up coord: */ - new_inst = *inst; - new_inst.Instruction.Opcode = opcode; - new_inst.Src[0] = ctx->tmp[A].src; - tctx->emit_instruction(tctx, &new_inst); - - return 0; -} - -/* Two-sided color emulation: - * For each COLOR input, create a corresponding BCOLOR input, plus - * CMP instruction to select front or back color based on FACE - */ -#define TWOSIDE_GROW(n) ( \ - 2 + /* FACE */ \ - ((n) * 2) + /* IN[] BCOLOR[n] */ \ - ((n) * 1) + /* TEMP[] */ \ - ((n) * NINST(3)) /* CMP instr */ \ - ) - -static void -emit_twoside(struct tgsi_transform_context *tctx) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_shader_info *info = ctx->info; - struct tgsi_full_declaration decl; - struct tgsi_full_instruction new_inst; - unsigned inbase, tmpbase; - int i; - - inbase = info->file_max[TGSI_FILE_INPUT] + 1; - tmpbase = info->file_max[TGSI_FILE_TEMPORARY] + 1; - - /* additional inputs for BCOLOR's */ - for (i = 0; i < ctx->two_side_colors; i++) { - decl = tgsi_default_full_declaration(); - decl.Declaration.File = TGSI_FILE_INPUT; - decl.Declaration.Semantic = true; - decl.Range.First = decl.Range.Last = inbase + i; - decl.Semantic.Name = TGSI_SEMANTIC_BCOLOR; - decl.Semantic.Index = - info->input_semantic_index[ctx->two_side_idx[i]]; - tctx->emit_declaration(tctx, &decl); - } - - /* additional input for FACE */ - if (ctx->two_side_colors && (ctx->face_idx == -1)) { - decl = tgsi_default_full_declaration(); - decl.Declaration.File = TGSI_FILE_INPUT; - decl.Declaration.Semantic = true; - decl.Range.First = decl.Range.Last = inbase + ctx->two_side_colors; - decl.Semantic.Name = TGSI_SEMANTIC_FACE; - decl.Semantic.Index = 0; - tctx->emit_declaration(tctx, &decl); - - ctx->face_idx = decl.Range.First; - } - - /* additional temps for COLOR/BCOLOR selection: */ - for (i = 0; i < ctx->two_side_colors; i++) { - decl = tgsi_default_full_declaration(); - decl.Declaration.File = TGSI_FILE_TEMPORARY; - decl.Range.First = decl.Range.Last = tmpbase + ctx->numtmp + i; - tctx->emit_declaration(tctx, &decl); - } - - /* and finally additional instructions to select COLOR/BCOLOR: */ - for (i = 0; i < ctx->two_side_colors; i++) { - new_inst = tgsi_default_full_instruction(); - new_inst.Instruction.Opcode = TGSI_OPCODE_CMP; - - new_inst.Instruction.NumDstRegs = 1; - new_inst.Dst[0].Register.File = TGSI_FILE_TEMPORARY; - new_inst.Dst[0].Register.Index = tmpbase + ctx->numtmp + i; - new_inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZW; - - new_inst.Instruction.NumSrcRegs = 3; - new_inst.Src[0].Register.File = TGSI_FILE_INPUT; - new_inst.Src[0].Register.Index = ctx->face_idx; - new_inst.Src[0].Register.SwizzleX = TGSI_SWIZZLE_X; - new_inst.Src[0].Register.SwizzleY = TGSI_SWIZZLE_X; - new_inst.Src[0].Register.SwizzleZ = TGSI_SWIZZLE_X; - new_inst.Src[0].Register.SwizzleW = TGSI_SWIZZLE_X; - new_inst.Src[1].Register.File = TGSI_FILE_INPUT; - new_inst.Src[1].Register.Index = inbase + i; - new_inst.Src[1].Register.SwizzleX = TGSI_SWIZZLE_X; - new_inst.Src[1].Register.SwizzleY = TGSI_SWIZZLE_Y; - new_inst.Src[1].Register.SwizzleZ = TGSI_SWIZZLE_Z; - new_inst.Src[1].Register.SwizzleW = TGSI_SWIZZLE_W; - new_inst.Src[2].Register.File = TGSI_FILE_INPUT; - new_inst.Src[2].Register.Index = ctx->two_side_idx[i]; - new_inst.Src[2].Register.SwizzleX = TGSI_SWIZZLE_X; - new_inst.Src[2].Register.SwizzleY = TGSI_SWIZZLE_Y; - new_inst.Src[2].Register.SwizzleZ = TGSI_SWIZZLE_Z; - new_inst.Src[2].Register.SwizzleW = TGSI_SWIZZLE_W; - - tctx->emit_instruction(tctx, &new_inst); - } -} - -static void -emit_decls(struct tgsi_transform_context *tctx) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - struct tgsi_shader_info *info = ctx->info; - struct tgsi_full_declaration decl; - struct tgsi_full_immediate immed; - unsigned tmpbase; - int i; - - tmpbase = info->file_max[TGSI_FILE_TEMPORARY] + 1; - - ctx->color_base = tmpbase + ctx->numtmp; - - /* declare immediate: */ - immed = tgsi_default_full_immediate(); - immed.Immediate.NrTokens = 1 + 4; /* one for the token itself */ - immed.u[0].Float = 0.0; - immed.u[1].Float = 1.0; - immed.u[2].Float = 128.0; - immed.u[3].Float = 0.0; - tctx->emit_immediate(tctx, &immed); - - ctx->imm.Register.File = TGSI_FILE_IMMEDIATE; - ctx->imm.Register.Index = info->immediate_count; - ctx->imm.Register.SwizzleX = TGSI_SWIZZLE_X; - ctx->imm.Register.SwizzleY = TGSI_SWIZZLE_Y; - ctx->imm.Register.SwizzleZ = TGSI_SWIZZLE_Z; - ctx->imm.Register.SwizzleW = TGSI_SWIZZLE_W; - - /* declare temp regs: */ - for (i = 0; i < ctx->numtmp; i++) { - decl = tgsi_default_full_declaration(); - decl.Declaration.File = TGSI_FILE_TEMPORARY; - decl.Range.First = decl.Range.Last = tmpbase + i; - tctx->emit_declaration(tctx, &decl); - - ctx->tmp[i].src.Register.File = TGSI_FILE_TEMPORARY; - ctx->tmp[i].src.Register.Index = tmpbase + i; - ctx->tmp[i].src.Register.SwizzleX = TGSI_SWIZZLE_X; - ctx->tmp[i].src.Register.SwizzleY = TGSI_SWIZZLE_Y; - ctx->tmp[i].src.Register.SwizzleZ = TGSI_SWIZZLE_Z; - ctx->tmp[i].src.Register.SwizzleW = TGSI_SWIZZLE_W; - - ctx->tmp[i].dst.Register.File = TGSI_FILE_TEMPORARY; - ctx->tmp[i].dst.Register.Index = tmpbase + i; - ctx->tmp[i].dst.Register.WriteMask = TGSI_WRITEMASK_XYZW; - } - - if (ctx->two_side_colors) - emit_twoside(tctx); -} - -static void -rename_color_inputs(struct fd_lowering_context *ctx, - struct tgsi_full_instruction *inst) -{ - unsigned i, j; - for (i = 0; i < inst->Instruction.NumSrcRegs; i++) { - struct tgsi_src_register *src = &inst->Src[i].Register; - if (src->File == TGSI_FILE_INPUT) { - for (j = 0; j < ctx->two_side_colors; j++) { - if (src->Index == ctx->two_side_idx[j]) { - src->File = TGSI_FILE_TEMPORARY; - src->Index = ctx->color_base + j; - break; - } - } - } - } - -} - -static void -transform_instr(struct tgsi_transform_context *tctx, - struct tgsi_full_instruction *inst) -{ - struct fd_lowering_context *ctx = fd_lowering_context(tctx); - - if (!ctx->emitted_decls) { - emit_decls(tctx); - ctx->emitted_decls = 1; - } - - /* if emulating two-sided-color, we need to re-write some - * src registers: - */ - if (ctx->two_side_colors) - rename_color_inputs(ctx, inst); - - switch (inst->Instruction.Opcode) { - case TGSI_OPCODE_DST: - if (!ctx->config->lower_DST) - goto skip; - transform_dst(tctx, inst); - break; - case TGSI_OPCODE_XPD: - if (!ctx->config->lower_XPD) - goto skip; - transform_xpd(tctx, inst); - break; - case TGSI_OPCODE_SCS: - if (!ctx->config->lower_SCS) - goto skip; - transform_scs(tctx, inst); - break; - case TGSI_OPCODE_LRP: - if (!ctx->config->lower_LRP) - goto skip; - transform_lrp(tctx, inst); - break; - case TGSI_OPCODE_FRC: - if (!ctx->config->lower_FRC) - goto skip; - transform_frc(tctx, inst); - break; - case TGSI_OPCODE_POW: - if (!ctx->config->lower_POW) - goto skip; - transform_pow(tctx, inst); - break; - case TGSI_OPCODE_LIT: - if (!ctx->config->lower_LIT) - goto skip; - transform_lit(tctx, inst); - break; - case TGSI_OPCODE_EXP: - if (!ctx->config->lower_EXP) - goto skip; - transform_exp(tctx, inst); - break; - case TGSI_OPCODE_LOG: - if (!ctx->config->lower_LOG) - goto skip; - transform_log(tctx, inst); - break; - case TGSI_OPCODE_DP4: - if (!ctx->config->lower_DP4) - goto skip; - transform_dotp(tctx, inst); - break; - case TGSI_OPCODE_DP3: - if (!ctx->config->lower_DP3) - goto skip; - transform_dotp(tctx, inst); - break; - case TGSI_OPCODE_DPH: - if (!ctx->config->lower_DPH) - goto skip; - transform_dotp(tctx, inst); - break; - case TGSI_OPCODE_DP2: - if (!ctx->config->lower_DP2) - goto skip; - transform_dotp(tctx, inst); - break; - case TGSI_OPCODE_DP2A: - if (!ctx->config->lower_DP2A) - goto skip; - transform_dotp(tctx, inst); - break; - case TGSI_OPCODE_TEX: - case TGSI_OPCODE_TXP: - case TGSI_OPCODE_TXB: - case TGSI_OPCODE_TXB2: - case TGSI_OPCODE_TXL: - if (transform_samp(tctx, inst)) - goto skip; - break; - default: - skip: - tctx->emit_instruction(tctx, inst); - break; - } -} - -/* returns NULL if no lowering required, else returns the new - * tokens (which caller is required to free()). In either case - * returns the current info. - */ -const struct tgsi_token * -fd_transform_lowering(const struct fd_lowering_config *config, - const struct tgsi_token *tokens, - struct tgsi_shader_info *info) -{ - struct fd_lowering_context ctx; - struct tgsi_token *newtoks; - int newlen, numtmp; - - /* sanity check in case limit is ever increased: */ - assert((sizeof(config->saturate_s) * 8) >= PIPE_MAX_SAMPLERS); - - memset(&ctx, 0, sizeof(ctx)); - ctx.base.transform_instruction = transform_instr; - ctx.info = info; - ctx.config = config; - - tgsi_scan_shader(tokens, info); - - /* if we are adding fragment shader support to emulate two-sided - * color, then figure out the number of additional inputs we need - * to create for BCOLOR's.. - */ - if ((info->processor == TGSI_PROCESSOR_FRAGMENT) && - config->color_two_side) { - int i; - ctx.face_idx = -1; - for (i = 0; i <= info->file_max[TGSI_FILE_INPUT]; i++) { - if (info->input_semantic_name[i] == TGSI_SEMANTIC_COLOR) - ctx.two_side_idx[ctx.two_side_colors++] = i; - if (info->input_semantic_name[i] == TGSI_SEMANTIC_FACE) - ctx.face_idx = i; - } - } - - ctx.saturate = config->saturate_r | config->saturate_s | config->saturate_t; - -#define OPCS(x) ((config->lower_ ## x) ? info->opcode_count[TGSI_OPCODE_ ## x] : 0) - /* if there are no instructions to lower, then we are done: */ - if (!(OPCS(DST) || - OPCS(XPD) || - OPCS(SCS) || - OPCS(LRP) || - OPCS(FRC) || - OPCS(POW) || - OPCS(LIT) || - OPCS(EXP) || - OPCS(LOG) || - OPCS(DP4) || - OPCS(DP3) || - OPCS(DPH) || - OPCS(DP2) || - OPCS(DP2A) || - ctx.two_side_colors || - ctx.saturate)) - return NULL; - -#if 0 /* debug */ - _debug_printf("BEFORE:"); - tgsi_dump(tokens, 0); -#endif - - numtmp = 0; - newlen = tgsi_num_tokens(tokens); - if (OPCS(DST)) { - newlen += DST_GROW * OPCS(DST); - numtmp = MAX2(numtmp, DST_TMP); - } - if (OPCS(XPD)) { - newlen += XPD_GROW * OPCS(XPD); - numtmp = MAX2(numtmp, XPD_TMP); - } - if (OPCS(SCS)) { - newlen += SCS_GROW * OPCS(SCS); - numtmp = MAX2(numtmp, SCS_TMP); - } - if (OPCS(LRP)) { - newlen += LRP_GROW * OPCS(LRP); - numtmp = MAX2(numtmp, LRP_TMP); - } - if (OPCS(FRC)) { - newlen += FRC_GROW * OPCS(FRC); - numtmp = MAX2(numtmp, FRC_TMP); - } - if (OPCS(POW)) { - newlen += POW_GROW * OPCS(POW); - numtmp = MAX2(numtmp, POW_TMP); - } - if (OPCS(LIT)) { - newlen += LIT_GROW * OPCS(LIT); - numtmp = MAX2(numtmp, LIT_TMP); - } - if (OPCS(EXP)) { - newlen += EXP_GROW * OPCS(EXP); - numtmp = MAX2(numtmp, EXP_TMP); - } - if (OPCS(LOG)) { - newlen += LOG_GROW * OPCS(LOG); - numtmp = MAX2(numtmp, LOG_TMP); - } - if (OPCS(DP4)) { - newlen += DP4_GROW * OPCS(DP4); - numtmp = MAX2(numtmp, DOTP_TMP); - } - if (OPCS(DP3)) { - newlen += DP3_GROW * OPCS(DP3); - numtmp = MAX2(numtmp, DOTP_TMP); - } - if (OPCS(DPH)) { - newlen += DPH_GROW * OPCS(DPH); - numtmp = MAX2(numtmp, DOTP_TMP); - } - if (OPCS(DP2)) { - newlen += DP2_GROW * OPCS(DP2); - numtmp = MAX2(numtmp, DOTP_TMP); - } - if (OPCS(DP2A)) { - newlen += DP2A_GROW * OPCS(DP2A); - numtmp = MAX2(numtmp, DOTP_TMP); - } - if (ctx.saturate) { - int n = info->opcode_count[TGSI_OPCODE_TEX] + - info->opcode_count[TGSI_OPCODE_TXP] + - info->opcode_count[TGSI_OPCODE_TXB] + - info->opcode_count[TGSI_OPCODE_TXB2] + - info->opcode_count[TGSI_OPCODE_TXL]; - newlen += SAMP_GROW * n; - numtmp = MAX2(numtmp, SAMP_TMP); - } - - /* specifically don't include two_side_colors temps in the count: */ - ctx.numtmp = numtmp; - - if (ctx.two_side_colors) { - newlen += TWOSIDE_GROW(ctx.two_side_colors); - /* note: we permanently consume temp regs, re-writing references - * to IN.COLOR[n] to TEMP[m] (holding the output of of the CMP - * instruction that selects which varying to use): - */ - numtmp += ctx.two_side_colors; - } - - newlen += 2 * numtmp; - newlen += 5; /* immediate */ - - newtoks = tgsi_alloc_tokens(newlen); - if (!newtoks) - return NULL; - - tgsi_transform_shader(tokens, newtoks, newlen, &ctx.base); - - tgsi_scan_shader(newtoks, info); - -#if 0 /* debug */ - _debug_printf("AFTER:"); - tgsi_dump(newtoks, 0); -#endif - - return newtoks; -} diff --git a/src/gallium/drivers/freedreno/freedreno_lowering.h b/src/gallium/drivers/freedreno/freedreno_lowering.h deleted file mode 100644 index 1b0daa96f0e..00000000000 --- a/src/gallium/drivers/freedreno/freedreno_lowering.h +++ /dev/null @@ -1,89 +0,0 @@ -/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ - -/* - * Copyright (C) 2014 Rob Clark <[email protected]> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Authors: - * Rob Clark <[email protected]> - */ - -#ifndef FREEDRENO_LOWERING_H_ -#define FREEDRENO_LOWERING_H_ - -#include "pipe/p_shader_tokens.h" -#include "tgsi/tgsi_scan.h" - -struct fd_lowering_config { - /* For fragment shaders, generate a shader that emulates two - * sided color by inserting a BGCOLOR input for each COLOR - * input, and insert a CMP instruction to select the correct - * color to use based on the TGSI_SEMANTIC_FACE input. - * - * Note that drivers which use this to emulate two sided color - * will: - * a) need to generate (on demand) alternate shaders to use - * depending on the rasterizer state (ie. whether two - * sided shading enabled) - * b) expect to see the BGCOLOR semantic name in fragment - * shaders. During linkage, the driver should simply - * map VS.OUT.BGCOLOR[n] to FS.IN.BGCOLOR[n] (in the - * same was as linking other outs/ins). - */ - unsigned color_two_side : 1; - - /* TODO support for alpha_to_one as well?? */ - - /* Individual OPC lowerings, if lower_<opc> is TRUE then - * enable lowering of TGSI_OPCODE_<opc> - */ - unsigned lower_DST : 1; - unsigned lower_XPD : 1; - unsigned lower_SCS : 1; - unsigned lower_LRP : 1; - unsigned lower_FRC : 1; - unsigned lower_POW : 1; - unsigned lower_LIT : 1; - unsigned lower_EXP : 1; - unsigned lower_LOG : 1; - unsigned lower_DP4 : 1; - unsigned lower_DP3 : 1; - unsigned lower_DPH : 1; - unsigned lower_DP2 : 1; - unsigned lower_DP2A : 1; - - /* To emulate certain texture wrap modes, this can be used - * to saturate the specified tex coord to [0.0, 1.0]. The - * bits are according to sampler #, ie. if, for example: - * - * (conf->saturate_s & (1 << n)) - * - * is true, then the s coord for sampler n is saturated. - */ - unsigned saturate_s, saturate_t, saturate_r; -}; - -const struct tgsi_token * fd_transform_lowering( - const struct fd_lowering_config *config, - const struct tgsi_token *tokens, - struct tgsi_shader_info *info); - -#endif /* FREEDRENO_LOWERING_H_ */ diff --git a/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c b/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c index 5e1832586e8..86239b45465 100644 --- a/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c +++ b/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c @@ -37,7 +37,6 @@ #include "tgsi/tgsi_dump.h" #include "freedreno_util.h" -#include "freedreno_lowering.h" #include "ir3_compiler.h" #include "instr-a3xx.h" diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c index 80676830dd7..1a5119c074f 100644 --- a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c +++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c @@ -32,6 +32,7 @@ #include "util/u_string.h" #include "util/u_memory.h" #include "util/u_inlines.h" +#include "tgsi/tgsi_lowering.h" #include "tgsi/tgsi_parse.h" #include "tgsi/tgsi_ureg.h" #include "tgsi/tgsi_info.h" @@ -39,7 +40,6 @@ #include "tgsi/tgsi_dump.h" #include "tgsi/tgsi_scan.h" -#include "freedreno_lowering.h" #include "freedreno_util.h" #include "ir3_compiler.h" @@ -135,7 +135,7 @@ compile_init(struct ir3_compile_context *ctx, struct ir3_shader_variant *so, { unsigned ret; struct tgsi_shader_info *info = &ctx->info; - struct fd_lowering_config lconfig = { + struct tgsi_lowering_config lconfig = { .color_two_side = so->key.color_two_side, .lower_DST = true, .lower_XPD = true, @@ -167,7 +167,7 @@ compile_init(struct ir3_compile_context *ctx, struct ir3_shader_variant *so, break; } - ctx->tokens = fd_transform_lowering(&lconfig, tokens, &ctx->info); + ctx->tokens = tgsi_transform_lowering(&lconfig, tokens, &ctx->info); ctx->free_tokens = !!ctx->tokens; if (!ctx->tokens) { /* no lowering */ diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler_old.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler_old.c index 4267feb351f..33531568508 100644 --- a/src/gallium/drivers/freedreno/ir3/ir3_compiler_old.c +++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler_old.c @@ -32,6 +32,7 @@ #include "util/u_string.h" #include "util/u_memory.h" #include "util/u_inlines.h" +#include "tgsi/tgsi_lowering.h" #include "tgsi/tgsi_parse.h" #include "tgsi/tgsi_ureg.h" #include "tgsi/tgsi_info.h" @@ -39,7 +40,6 @@ #include "tgsi/tgsi_dump.h" #include "tgsi/tgsi_scan.h" -#include "freedreno_lowering.h" #include "freedreno_util.h" #include "ir3_compiler.h" @@ -125,7 +125,7 @@ compile_init(struct ir3_compile_context *ctx, struct ir3_shader_variant *so, { unsigned ret, base = 0; struct tgsi_shader_info *info = &ctx->info; - struct fd_lowering_config lconfig = { + struct tgsi_lowering_config lconfig = { .color_two_side = so->key.color_two_side, .lower_DST = true, .lower_XPD = true, @@ -157,7 +157,7 @@ compile_init(struct ir3_compile_context *ctx, struct ir3_shader_variant *so, break; } - ctx->tokens = fd_transform_lowering(&lconfig, tokens, &ctx->info); + ctx->tokens = tgsi_transform_lowering(&lconfig, tokens, &ctx->info); ctx->free_tokens = !!ctx->tokens; if (!ctx->tokens) { /* no lowering */ diff --git a/src/gallium/drivers/freedreno/ir3/ir3_shader.c b/src/gallium/drivers/freedreno/ir3/ir3_shader.c index 31e302b92c2..c77cec10cc7 100644 --- a/src/gallium/drivers/freedreno/ir3/ir3_shader.c +++ b/src/gallium/drivers/freedreno/ir3/ir3_shader.c @@ -35,7 +35,6 @@ #include "tgsi/tgsi_parse.h" #include "freedreno_context.h" -#include "freedreno_lowering.h" #include "freedreno_util.h" #include "ir3_shader.h" |