--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.3
+ *
+ * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ *
+ * 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 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
+ * BRIAN PAUL 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.
+ */
+
+/**
+ * Translate tgsi vertex programs to x86/x87/SSE/SSE2 machine code
+ * using the rtasm runtime assembler. Based on the old
+ * t_vb_arb_program_sse.c
+ */
+
+
+#include "pipe/p_util.h"
+#include "pipe/p_shader_tokens.h"
+#include "tgsi/util/tgsi_parse.h"
+#include "tgsi/util/tgsi_util.h"
+#include "tgsi/exec/tgsi_exec.h"
+#include "tgsi/util/tgsi_dump.h"
+
+#include "draw_vs.h"
+#include "draw_vs_aos.h"
+
+#include "rtasm/rtasm_x86sse.h"
+
+#ifdef PIPE_ARCH_X86
+
+
+#define DISASSEM 0
+
+
+
+
+
+static INLINE boolean eq( struct x86_reg a,
+ struct x86_reg b )
+{
+ return (a.file == b.file &&
+ a.idx == b.idx &&
+ a.mod == b.mod &&
+ a.disp == b.disp);
+}
+
+
+static struct x86_reg get_reg_ptr(struct aos_compilation *cp,
+ unsigned file,
+ unsigned idx )
+{
+ struct x86_reg ptr = cp->machine_EDX;
+
+ switch (file) {
+ case TGSI_FILE_INPUT:
+ return x86_make_disp(ptr, Offset(struct aos_machine, input[idx]));
+
+ case TGSI_FILE_OUTPUT:
+ return x86_make_disp(ptr, Offset(struct aos_machine, output[idx]));
+
+ case TGSI_FILE_TEMPORARY:
+ return x86_make_disp(ptr, Offset(struct aos_machine, temp[idx]));
+
+ case TGSI_FILE_IMMEDIATE:
+ return x86_make_disp(ptr, Offset(struct aos_machine, immediate[idx]));
+
+ case TGSI_FILE_CONSTANT:
+ return x86_make_disp(ptr, Offset(struct aos_machine, constant[idx]));
+
+ case AOS_FILE_INTERNAL:
+ return x86_make_disp(ptr, Offset(struct aos_machine, immediate[idx]));
+
+ default:
+ ERROR(cp, "unknown reg file");
+ return x86_make_reg(0,0);
+ }
+}
+
+
+struct x86_reg aos_get_internal( struct aos_compilation *cp,
+ unsigned imm )
+{
+ return get_reg_ptr( cp,
+ AOS_FILE_INTERNAL,
+ imm + 1 );
+}
+
+static void spill( struct aos_compilation *cp, unsigned idx )
+{
+ if (!cp->xmm[idx].dirty ||
+ (cp->xmm[idx].file != TGSI_FILE_INPUT && /* inputs are fetched into xmm & set dirty */
+ cp->xmm[idx].file != TGSI_FILE_OUTPUT &&
+ cp->xmm[idx].file != TGSI_FILE_TEMPORARY)) {
+ ERROR(cp, "invalid spill");
+ return;
+ }
+ else {
+ struct x86_reg oldval = get_reg_ptr(cp,
+ cp->xmm[idx].file,
+ cp->xmm[idx].idx);
+
+ assert(cp->xmm[idx].dirty);
+ sse_movups(cp->func, oldval, x86_make_reg(file_XMM, idx));
+ cp->xmm[idx].dirty = 0;
+ }
+}
+
+struct x86_reg aos_get_xmm_reg( struct aos_compilation *cp )
+{
+ unsigned i;
+ unsigned oldest = 0;
+
+ for (i = 0; i < 8; i++)
+ if (cp->xmm[i].last_used < cp->xmm[oldest].last_used)
+ oldest = i;
+
+ /* Need to write out the old value?
+ */
+ if (cp->xmm[oldest].dirty)
+ spill(cp, oldest);
+
+ assert(cp->xmm[oldest].last_used != cp->insn_counter);
+
+ cp->xmm[oldest].file = TGSI_FILE_NULL;
+ cp->xmm[oldest].idx = 0;
+ cp->xmm[oldest].last_used = cp->insn_counter;
+ return x86_make_reg(file_XMM, oldest);
+}
+
+void aos_release_xmm_reg( struct aos_compilation *cp,
+ unsigned idx )
+{
+ cp->xmm[idx].file = TGSI_FILE_NULL;
+ cp->xmm[idx].idx = 0;
+ cp->xmm[idx].dirty = 0;
+ cp->xmm[idx].last_used = 0;
+}
+
+static void invalidate_xmm( struct aos_compilation *cp,
+ unsigned file, unsigned idx )
+{
+ unsigned i;
+
+ /* Invalidate any old copy of this register in XMM0-7.
+ */
+ for (i = 0; i < 8; i++) {
+ if (cp->xmm[i].file == file && cp->xmm[i].idx == idx) {
+
+ if (cp->xmm[i].dirty)
+ spill(cp, i);
+
+ aos_release_xmm_reg(cp, i);
+ break;
+ }
+ }
+
+ for (; i < 8; i++) {
+ if (cp->xmm[i].file == file && cp->xmm[i].idx == idx) {
+ assert(0);
+ }
+ }
+}
+
+
+void aos_adopt_xmm_reg( struct aos_compilation *cp,
+ struct x86_reg reg,
+ unsigned file,
+ unsigned idx,
+ unsigned dirty )
+{
+ if (reg.file != file_XMM) {
+ assert(0);
+ return;
+ }
+
+ invalidate_xmm(cp, file, idx);
+ cp->xmm[reg.idx].file = file;
+ cp->xmm[reg.idx].idx = idx;
+ cp->xmm[reg.idx].dirty = dirty;
+}
+
+
+
+static struct x86_reg aos_get_shader_reg_ptr( struct aos_compilation *cp,
+ unsigned file,
+ unsigned idx )
+{
+ invalidate_xmm( cp, file, idx );
+ return get_reg_ptr( cp, file, idx );
+}
+
+
+/* As above, but return a pointer. Note - this pointer may alias
+ * those returned by get_arg_ptr().
+ */
+static struct x86_reg get_dst_ptr( struct aos_compilation *cp,
+ const struct tgsi_full_dst_register *dst )
+{
+ return aos_get_shader_reg_ptr( cp, dst->DstRegister.File, dst->DstRegister.Index );
+}
+
+
+
+
+
+/* Return an XMM reg if the argument is resident, otherwise return a
+ * base+offset pointer to the saved value.
+ */
+struct x86_reg aos_get_shader_reg( struct aos_compilation *cp,
+ unsigned file,
+ unsigned idx )
+{
+ unsigned i;
+
+ for (i = 0; i < 8; i++) {
+ if (cp->xmm[i].file == file &&
+ cp->xmm[i].idx == idx)
+ {
+ cp->xmm[i].last_used = cp->insn_counter;
+ return x86_make_reg(file_XMM, i);
+ }
+ }
+
+ /* If not found in the XMM register file, return an indirect
+ * reference to the in-memory copy:
+ */
+ return get_reg_ptr( cp, file, idx );
+}
+
+
+
+
+
+/* Emulate pshufd insn in regular SSE, if necessary:
+ */
+static void emit_pshufd( struct aos_compilation *cp,
+ struct x86_reg dst,
+ struct x86_reg arg0,
+ ubyte shuf )
+{
+ if (cp->have_sse2) {
+ sse2_pshufd(cp->func, dst, arg0, shuf);
+ }
+ else {
+ if (!eq(dst, arg0))
+ sse_movups(cp->func, dst, arg0);
+
+ sse_shufps(cp->func, dst, dst, shuf);
+ }
+}
+
+
+
+
+/* Helper for writemask:
+ */
+static boolean emit_shuf_copy1( struct aos_compilation *cp,
+ struct x86_reg dst,
+ struct x86_reg arg0,
+ struct x86_reg arg1,
+ ubyte shuf )
+{
+ struct x86_reg tmp = aos_get_xmm_reg(cp);
+ sse_movups(cp->func, dst, arg1);
+ emit_pshufd(cp, dst, dst, shuf);
+ emit_pshufd(cp, tmp, arg0, shuf);
+
+ sse_movss(cp->func, dst, tmp);
+
+ emit_pshufd(cp, dst, dst, shuf);
+
+ aos_release_xmm_reg(cp, tmp.idx);
+ return TRUE;
+}
+
+
+/* Helper for writemask:
+ */
+static boolean emit_shuf_copy2( struct aos_compilation *cp,
+ struct x86_reg dst,
+ struct x86_reg arg0,
+ struct x86_reg arg1,
+ ubyte shuf )
+{
+ struct x86_reg tmp = aos_get_xmm_reg(cp);
+ emit_pshufd(cp, dst, arg1, shuf);
+ emit_pshufd(cp, tmp, arg0, shuf);
+
+ sse_shufps(cp->func, dst, tmp, SHUF(X, Y, Z, W));
+
+ emit_pshufd(cp, dst, dst, shuf);
+
+ aos_release_xmm_reg(cp, tmp.idx);
+ return TRUE;
+}
+
+#define SSE_SWIZZLE_NOOP ((0<<0) | (1<<2) | (2<<4) | (3<<6))
+
+
+/* Locate a source register and perform any required (simple) swizzle.
+ *
+ * Just fail on complex swizzles at this point.
+ */
+static struct x86_reg fetch_src( struct aos_compilation *cp,
+ const struct tgsi_full_src_register *src )
+{
+ struct x86_reg arg0 = aos_get_shader_reg(cp,
+ src->SrcRegister.File,
+ src->SrcRegister.Index);
+ unsigned i;
+ unsigned swz = 0;
+ unsigned negs = 0;
+ unsigned abs = 0;
+
+ for (i = 0; i < 4; i++) {
+ unsigned swizzle = tgsi_util_get_full_src_register_extswizzle( src, i );
+ unsigned neg = tgsi_util_get_full_src_register_sign_mode( src, i );
+
+ switch (swizzle) {
+ case TGSI_EXTSWIZZLE_ZERO:
+ case TGSI_EXTSWIZZLE_ONE:
+ ERROR(cp, "not supporting full swizzles yet in tgsi_aos_sse2");
+ break;
+
+ default:
+ swz |= (swizzle & 0x3) << (i * 2);
+ break;
+ }
+
+ switch (neg) {
+ case TGSI_UTIL_SIGN_TOGGLE:
+ negs |= (1<<i);
+ break;
+
+ case TGSI_UTIL_SIGN_KEEP:
+ break;
+
+ case TGSI_UTIL_SIGN_CLEAR:
+ abs |= (1<<i);
+ break;
+
+ default:
+ ERROR(cp, "unsupported sign-mode");
+ break;
+ }
+ }
+
+ if (swz != SSE_SWIZZLE_NOOP || negs != 0 || abs != 0) {
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ if (swz != SSE_SWIZZLE_NOOP) {
+ emit_pshufd(cp, dst, arg0, swz);
+ arg0 = dst;
+ }
+
+ if (negs) {
+ struct x86_reg imm_negs = aos_get_internal(cp, IMM_NEGS);
+ struct x86_reg tmp = aos_get_xmm_reg(cp);
+
+ /* Load 1,-1,0,0
+ * Use neg as arg to pshufd
+ * Multiply
+ */
+ emit_pshufd(cp, tmp, imm_negs,
+ SHUF((negs & 1) ? 1 : 0,
+ (negs & 2) ? 1 : 0,
+ (negs & 4) ? 1 : 0,
+ (negs & 8) ? 1 : 0));
+ sse_mulps(cp->func, dst, arg0);
+
+ aos_release_xmm_reg(cp, tmp.idx);
+ arg0 = dst;
+ }
+
+ if (abs && abs != 0xf) {
+ ERROR(cp, "unsupported partial abs");
+ }
+
+ if (abs) {
+ struct x86_reg neg = aos_get_internal(cp, IMM_NEGS);
+ struct x86_reg tmp = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, tmp, arg0);
+ sse_mulps(cp->func, tmp, neg);
+ sse_maxps(cp->func, dst, arg0);
+
+ aos_release_xmm_reg(cp, tmp.idx);
+ arg0 = dst;
+ }
+ }
+
+ return arg0;
+}
+
+static void x87_fld_src( struct aos_compilation *cp,
+ const struct tgsi_full_src_register *src,
+ unsigned channel )
+{
+ struct x86_reg arg0 = aos_get_shader_reg_ptr(cp,
+ src->SrcRegister.File,
+ src->SrcRegister.Index);
+
+ unsigned swizzle = tgsi_util_get_full_src_register_extswizzle( src, channel );
+ unsigned neg = tgsi_util_get_full_src_register_sign_mode( src, channel );
+
+ switch (swizzle) {
+ case TGSI_EXTSWIZZLE_ZERO:
+ x87_fldz( cp->func );
+ break;
+
+ case TGSI_EXTSWIZZLE_ONE:
+ x87_fld1( cp->func );
+ break;
+
+ default:
+ x87_fld( cp->func, x86_make_disp(arg0, (swizzle & 3) * sizeof(float)) );
+ break;
+ }
+
+
+ switch (neg) {
+ case TGSI_UTIL_SIGN_TOGGLE:
+ /* Flip the sign:
+ */
+ x87_fchs( cp->func );
+ break;
+
+ case TGSI_UTIL_SIGN_KEEP:
+ break;
+
+ case TGSI_UTIL_SIGN_CLEAR:
+ x87_fabs( cp->func );
+ break;
+
+ case TGSI_UTIL_SIGN_SET:
+ x87_fabs( cp->func );
+ x87_fchs( cp->func );
+ break;
+
+ default:
+ ERROR(cp, "unsupported sign-mode");
+ break;
+ }
+}
+
+
+
+
+
+
+/* Used to implement write masking. This and most of the other instructions
+ * here would be easier to implement if there had been a translation
+ * to a 2 argument format (dst/arg0, arg1) at the shader level before
+ * attempting to translate to x86/sse code.
+ */
+static void store_dest( struct aos_compilation *cp,
+ const struct tgsi_full_dst_register *reg,
+ struct x86_reg result )
+{
+ if (reg->DstRegister.WriteMask == 0)
+ {
+ return;
+ }
+ else if (reg->DstRegister.WriteMask == TGSI_WRITEMASK_XYZW)
+ {
+ if (result.file == file_XMM) {
+ aos_adopt_xmm_reg(cp,
+ result,
+ reg->DstRegister.File,
+ reg->DstRegister.Index,
+ TRUE);
+ }
+ else {
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+ aos_adopt_xmm_reg(cp,
+ dst,
+ reg->DstRegister.File,
+ reg->DstRegister.Index,
+ TRUE);
+ sse_movups(cp->func, dst, result);
+ }
+ }
+ else
+ {
+ /* Previous value of the dest register:
+ */
+ struct x86_reg old_dst = aos_get_shader_reg(cp,
+ reg->DstRegister.File,
+ reg->DstRegister.Index);
+
+
+ /* Alloc an xmm reg to hold the new value of the dest register:
+ */
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ aos_adopt_xmm_reg(cp,
+ dst,
+ reg->DstRegister.File,
+ reg->DstRegister.Index,
+ TRUE );
+
+ switch (reg->DstRegister.WriteMask) {
+ case TGSI_WRITEMASK_X:
+ if (result.file == file_XMM) {
+ sse_movups(cp->func, dst, old_dst);
+ sse_movss(cp->func, dst, result);
+ }
+ else {
+ struct x86_reg tmp = aos_get_xmm_reg(cp);
+ sse_movups(cp->func, dst, old_dst);
+ sse_movss(cp->func, tmp, result);
+ sse_movss(cp->func, dst, tmp);
+ aos_release_xmm_reg(cp, tmp.idx);
+ }
+ break;
+
+ case TGSI_WRITEMASK_XY:
+ sse_movups(cp->func, dst, old_dst);
+ sse_shufps(cp->func, dst, result, SHUF(X, Y, Z, W));
+ break;
+
+ case TGSI_WRITEMASK_ZW:
+ sse_movups(cp->func, dst, result);
+ sse_shufps(cp->func, dst, old_dst, SHUF(X, Y, Z, W));
+ break;
+
+ case TGSI_WRITEMASK_YZW:
+ if (old_dst.file == file_XMM) {
+ sse_movups(cp->func, dst, result);
+ sse_movss(cp->func, dst, old_dst);
+ }
+ else {
+ struct x86_reg tmp = aos_get_xmm_reg(cp);
+ sse_movups(cp->func, dst, result);
+ sse_movss(cp->func, tmp, old_dst);
+ sse_movss(cp->func, dst, tmp);
+ aos_release_xmm_reg(cp, tmp.idx);
+ }
+ break;
+
+ case TGSI_WRITEMASK_Y:
+ emit_shuf_copy1(cp, dst, result, old_dst, SHUF(Y,X,Z,W));
+ break;
+
+ case TGSI_WRITEMASK_Z:
+ emit_shuf_copy1(cp, dst, result, old_dst, SHUF(Z,Y,X,W));
+ break;
+
+ case TGSI_WRITEMASK_W:
+ emit_shuf_copy1(cp, dst, result, old_dst, SHUF(W,Y,Z,X));
+ break;
+
+ case TGSI_WRITEMASK_XZ:
+ emit_shuf_copy2(cp, dst, result, old_dst, SHUF(X,Z,Y,W));
+ break;
+
+ case TGSI_WRITEMASK_XW:
+ emit_shuf_copy2(cp, dst, result, old_dst, SHUF(X,W,Z,Y));
+
+ case TGSI_WRITEMASK_YZ:
+ emit_shuf_copy2(cp, dst, result, old_dst, SHUF(Z,Y,X,W));
+ break;
+
+ case TGSI_WRITEMASK_YW:
+ emit_shuf_copy2(cp, dst, result, old_dst, SHUF(W,Y,Z,X));
+ break;
+
+ case TGSI_WRITEMASK_XZW:
+ emit_shuf_copy1(cp, dst, old_dst, result, SHUF(Y,X,Z,W));
+ break;
+
+ case TGSI_WRITEMASK_XYW:
+ emit_shuf_copy1(cp, dst, old_dst, result, SHUF(Z,Y,X,W));
+ break;
+
+ case TGSI_WRITEMASK_XYZ:
+ emit_shuf_copy1(cp, dst, old_dst, result, SHUF(W,Y,Z,X));
+ break;
+
+ default:
+ assert(0); /* not possible */
+ break;
+ }
+ }
+}
+
+
+static void x87_fst_or_nop( struct x86_function *func,
+ unsigned writemask,
+ unsigned channel,
+ struct x86_reg ptr )
+{
+ if (writemask & (1<<channel))
+ x87_fst( func, x86_make_disp(ptr, channel * sizeof(float)) );
+}
+
+static void x87_fstp_or_pop( struct x86_function *func,
+ unsigned writemask,
+ unsigned channel,
+ struct x86_reg ptr )
+{
+ if (writemask & (1<<channel))
+ x87_fstp( func, x86_make_disp(ptr, channel * sizeof(float)) );
+ else
+ x87_fstp( func, x86_make_reg( file_x87, 0 ));
+}
+
+
+
+/*
+ */
+static void x87_fstp_dest4( struct aos_compilation *cp,
+ const struct tgsi_full_dst_register *dst )
+{
+ struct x86_reg ptr = get_dst_ptr(cp, dst);
+ unsigned writemask = dst->DstRegister.WriteMask;
+
+ x87_fst_or_nop(cp->func, writemask, 0, ptr);
+ x87_fst_or_nop(cp->func, writemask, 1, ptr);
+ x87_fst_or_nop(cp->func, writemask, 2, ptr);
+ x87_fstp_or_pop(cp->func, writemask, 3, ptr);
+}
+
+/* Save current x87 state and put it into single precision mode.
+ */
+static void save_fpu_state( struct aos_compilation *cp )
+{
+#if 0
+ x87_fnstcw( cp->func, x86_make_disp(regEDX, get_offset(m, &m->fpucntl_restore)));
+ x87_fldcw( cp->func, );
+#endif
+}
+
+static void restore_fpu_state( struct aos_compilation *cp )
+{
+#if 0
+ x87_fnclex(cp->func);
+ x87_fldcw(cp->func, x86_make_disp(regEDX, get_offset(m, &m->fpucntl_restore)));
+#endif
+}
+
+static void set_fpu_round_neg_inf( struct aos_compilation *cp )
+{
+#if 0
+ if (cp->fpucntl != RND_NEG_FPU) {
+ struct x86_reg regEDX = x86_make_reg(file_REG32, reg_DX);
+ struct arb_vp_machine *m = NULL;
+
+ cp->fpucntl = RND_NEG_FPU;
+ x87_fnclex(cp->func);
+ x87_fldcw(cp->func, x86_make_disp(regEDX, get_offset(m, &m->fpucntl_rnd_neg)));
+ }
+#endif
+}
+
+static void set_fpu_round_nearest( struct aos_compilation *cp )
+{
+#if 0
+#endif
+}
+
+
+static void emit_x87_ex2( struct aos_compilation *cp )
+{
+ struct x86_reg st0 = x86_make_reg(file_x87, 0);
+ struct x86_reg st1 = x86_make_reg(file_x87, 1);
+ struct x86_reg st3 = x86_make_reg(file_x87, 3);
+
+ set_fpu_round_neg_inf( cp );
+
+ x87_fld(cp->func, st0); /* a a */
+ x87_fprndint( cp->func ); /* int(a) a */
+ x87_fld(cp->func, st0); /* int(a) int(a) a */
+ x87_fstp(cp->func, st3); /* int(a) a int(a)*/
+ x87_fsubp(cp->func, st1); /* frac(a) int(a) */
+ x87_f2xm1(cp->func); /* (2^frac(a))-1 int(a)*/
+ x87_fld1(cp->func); /* 1 (2^frac(a))-1 int(a)*/
+ x87_faddp(cp->func, st1); /* 2^frac(a) int(a) */
+ x87_fscale(cp->func); /* 2^a */
+}
+
+
+
+/**
+ * The traditional instructions. All operate on internal registers
+ * and ignore write masks and swizzling issues.
+ */
+
+static boolean emit_ABS( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+ struct x86_reg neg = aos_get_internal(cp, IMM_NEGS);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_mulps(cp->func, dst, neg);
+ sse_maxps(cp->func, dst, arg0);
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+static boolean emit_ADD( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_addps(cp->func, dst, arg1);
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+static boolean emit_COS( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ x87_fld_src(cp, &op->FullSrcRegisters[0], 0);
+ x87_fcos(cp->func);
+ x87_fstp_dest4(cp, &op->FullDstRegisters[0]);
+ return TRUE;
+}
+
+
+/* The dotproduct instructions don't really do that well in sse:
+ */
+static boolean emit_DP3( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+ struct x86_reg tmp = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_mulps(cp->func, dst, arg1);
+
+ /* Now the hard bit: sum the first 3 values:
+ */
+ sse_movhlps(cp->func, tmp, dst);
+ sse_addss(cp->func, dst, tmp); /* a*x+c*z, b*y, ?, ? */
+ emit_pshufd(cp, tmp, dst, SHUF(Y,X,W,Z));
+ sse_addss(cp->func, dst, tmp);
+ sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
+
+ aos_release_xmm_reg(cp, tmp.idx);
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+
+
+static boolean emit_DP4( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+ struct x86_reg tmp = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_mulps(cp->func, dst, arg1);
+
+ /* Now the hard bit: sum the values:
+ */
+ sse_movhlps(cp->func, tmp, dst);
+ sse_addps(cp->func, dst, tmp); /* a*x+c*z, b*y+d*w, a*x+c*z, b*y+d*w */
+ emit_pshufd(cp, tmp, dst, SHUF(Y,X,W,Z));
+ sse_addss(cp->func, dst, tmp);
+ sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
+
+ aos_release_xmm_reg(cp, tmp.idx);
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+static boolean emit_DPH( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+ struct x86_reg tmp = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_mulps(cp->func, dst, arg1);
+
+ /* Now the hard bit: sum the values (from DP3):
+ */
+ sse_movhlps(cp->func, tmp, dst);
+ sse_addss(cp->func, dst, tmp); /* a*x+c*z, b*y, ?, ? */
+ emit_pshufd(cp, tmp, dst, SHUF(Y,X,W,Z));
+ sse_addss(cp->func, dst, tmp);
+ emit_pshufd(cp, tmp, arg1, SHUF(W,W,W,W));
+ sse_addss(cp->func, dst, tmp);
+ sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
+
+ aos_release_xmm_reg(cp, tmp.idx);
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+static boolean emit_DST( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+ struct x86_reg tmp = aos_get_xmm_reg(cp);
+ struct x86_reg ones = aos_get_internal(cp, IMM_ONES);
+
+/* dst[0] = 1.0 * 1.0F; */
+/* dst[1] = arg0[1] * arg1[1]; */
+/* dst[2] = arg0[2] * 1.0; */
+/* dst[3] = 1.0 * arg1[3]; */
+
+ emit_shuf_copy2(cp, dst, arg0, ones, SHUF(X,W,Z,Y));
+ emit_shuf_copy2(cp, tmp, arg1, ones, SHUF(X,Z,Y,W));
+ sse_mulps(cp->func, dst, tmp);
+
+ aos_release_xmm_reg(cp, tmp.idx);
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+static boolean emit_LG2( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ x87_fld1(cp->func); /* 1 */
+ x87_fld_src(cp, &op->FullSrcRegisters[0], 0); /* a0 1 */
+ x87_fyl2x(cp->func); /* log2(a0) */
+ x87_fstp_dest4(cp, &op->FullDstRegisters[0]);
+ return TRUE;
+}
+
+
+static boolean emit_EX2( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ x87_fld_src(cp, &op->FullSrcRegisters[0], 0);
+
+ emit_x87_ex2(cp);
+
+ x87_fstp_dest4(cp, &op->FullDstRegisters[0]);
+ return TRUE;
+}
+
+static boolean emit_EXP( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg dst = get_dst_ptr(cp, &op->FullDstRegisters[0]);
+ struct x86_reg st0 = x86_make_reg(file_x87, 0);
+ struct x86_reg st1 = x86_make_reg(file_x87, 1);
+ struct x86_reg st3 = x86_make_reg(file_x87, 3);
+ unsigned writemask = op->FullDstRegisters[0].DstRegister.WriteMask;
+
+ /* CAUTION: dst may alias arg0!
+ */
+ x87_fld_src(cp, &op->FullSrcRegisters[0], 0); /* arg0.x */
+ x87_fld(cp->func, st0); /* arg arg */
+
+ /* by default, fpu is setup to round-to-nearest. We want to
+ * change this now, and track the state through to the end of the
+ * generated function so that it isn't repeated unnecessarily.
+ * Alternately, could subtract .5 to get round to -inf behaviour.
+ */
+ set_fpu_round_neg_inf( cp );
+ x87_fprndint( cp->func ); /* flr(a) a */
+ x87_fld(cp->func, st0); /* flr(a) flr(a) a */
+ x87_fld1(cp->func); /* 1 floor(a) floor(a) a */
+ x87_fst_or_nop(cp->func, writemask, 3, dst); /* stack unchanged */
+
+ x87_fscale(cp->func); /* 2^floor(a) floor(a) a */
+ x87_fst(cp->func, st3); /* 2^floor(a) floor(a) a 2^floor(a)*/
+
+ x87_fstp_or_pop(cp->func, writemask, 0, dst); /* flr(a) a 2^flr(a) */
+
+ x87_fsubrp(cp->func, st1); /* frac(a) 2^flr(a) */
+
+ x87_fst_or_nop(cp->func, writemask, 1, dst); /* frac(a) 2^flr(a) */
+
+ x87_f2xm1(cp->func); /* (2^frac(a))-1 2^flr(a)*/
+ x87_fld1(cp->func); /* 1 (2^frac(a))-1 2^flr(a)*/
+ x87_faddp(cp->func, st1); /* 2^frac(a) 2^flr(a) */
+ x87_fmulp(cp->func, st1); /* 2^a */
+
+ x87_fstp_or_pop(cp->func, writemask, 2, dst);
+
+/* dst[0] = 2^floor(tmp); */
+/* dst[1] = frac(tmp); */
+/* dst[2] = 2^floor(tmp) * 2^frac(tmp); */
+/* dst[3] = 1.0F; */
+ return TRUE;
+}
+
+static boolean emit_LOG( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg dst = get_dst_ptr(cp, &op->FullDstRegisters[0]);
+ struct x86_reg st0 = x86_make_reg(file_x87, 0);
+ struct x86_reg st1 = x86_make_reg(file_x87, 1);
+ struct x86_reg st2 = x86_make_reg(file_x87, 2);
+ unsigned writemask = op->FullDstRegisters[0].DstRegister.WriteMask;
+
+ /* CAUTION: dst may alias arg0!
+ */
+ x87_fld_src(cp, &op->FullSrcRegisters[0], 0); /* arg0.x */
+ x87_fabs(cp->func); /* |arg0.x| */
+ x87_fxtract(cp->func); /* mantissa(arg0.x), exponent(arg0.x) */
+ x87_fst(cp->func, st2); /* mantissa, exponent, mantissa */
+ x87_fld1(cp->func); /* 1, mantissa, exponent, mantissa */
+ x87_fyl2x(cp->func); /* log2(mantissa), exponent, mantissa */
+ x87_fadd(cp->func, st0, st1); /* e+l2(m), e, m */
+
+ x87_fstp_or_pop(cp->func, writemask, 2, dst); /* e, m */
+
+ x87_fld1(cp->func); /* 1, e, m */
+ x87_fsub(cp->func, st1, st0); /* 1, e-1, m */
+
+ x87_fstp_or_pop(cp->func, writemask, 3, dst); /* e-1,m */
+ x87_fstp_or_pop(cp->func, writemask, 0, dst); /* m */
+
+ x87_fadd(cp->func, st0, st0); /* 2m */
+
+ x87_fstp_or_pop( cp->func, writemask, 1, dst );
+
+ return TRUE;
+}
+
+static boolean emit_FLR( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg dst = get_dst_ptr(cp, &op->FullDstRegisters[0]);
+ unsigned writemask = op->FullDstRegisters[0].DstRegister.WriteMask;
+ int i;
+
+ set_fpu_round_neg_inf( cp );
+
+ /* Load all sources first to avoid aliasing
+ */
+ for (i = 0; i < 4; i++) {
+ if (writemask & (1<<i)) {
+ x87_fld_src(cp, &op->FullSrcRegisters[0], i);
+ }
+ }
+
+ for (i = 0; i < 4; i++) {
+ if (writemask & (1<<i)) {
+ x87_fprndint( cp->func );
+ x87_fstp(cp->func, x86_make_disp(dst, i*4));
+ }
+ }
+
+ return TRUE;
+}
+
+
+static boolean emit_RND( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg dst = get_dst_ptr(cp, &op->FullDstRegisters[0]);
+ unsigned writemask = op->FullDstRegisters[0].DstRegister.WriteMask;
+ int i;
+
+ set_fpu_round_nearest( cp );
+
+ /* Load all sources first to avoid aliasing
+ */
+ for (i = 0; i < 4; i++) {
+ if (writemask & (1<<i)) {
+ x87_fld_src(cp, &op->FullSrcRegisters[0], i);
+ }
+ }
+
+ for (i = 0; i < 4; i++) {
+ if (writemask & (1<<i)) {
+ x87_fprndint( cp->func );
+ x87_fstp(cp->func, x86_make_disp(dst, i*4));
+ }
+ }
+
+ return TRUE;
+}
+
+
+static boolean emit_FRC( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg dst = get_dst_ptr(cp, &op->FullDstRegisters[0]);
+ struct x86_reg st0 = x86_make_reg(file_x87, 0);
+ struct x86_reg st1 = x86_make_reg(file_x87, 1);
+ unsigned writemask = op->FullDstRegisters[0].DstRegister.WriteMask;
+ int i;
+
+ set_fpu_round_neg_inf( cp );
+
+ /* suck all the source values onto the stack before writing out any
+ * dst, which may alias...
+ */
+ for (i = 0; i < 4; i++) {
+ if (writemask & (1<<i)) {
+ x87_fld_src(cp, &op->FullSrcRegisters[0], i);
+ }
+ }
+
+ for (i = 0; i < 4; i++) {
+ if (writemask & (1<<i)) {
+ x87_fld(cp->func, st0); /* a a */
+ x87_fprndint( cp->func ); /* flr(a) a */
+ x87_fsubrp(cp->func, st1); /* frc(a) */
+ x87_fstp(cp->func, x86_make_disp(dst, i*4));
+ }
+ }
+
+ return TRUE;
+}
+
+
+
+static boolean emit_LIT( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg dst = get_dst_ptr(cp, &op->FullDstRegisters[0]);
+ struct x86_reg st1 = x86_make_reg(file_x87, 1);
+ unsigned fixup1, fixup2;
+ unsigned writemask = op->FullDstRegisters[0].DstRegister.WriteMask;
+
+
+ /* Load the interesting parts of arg0:
+ */
+ x87_fld_src(cp, &op->FullSrcRegisters[0], 3);
+ x87_fld_src(cp, &op->FullSrcRegisters[0], 1);
+ x87_fld_src(cp, &op->FullSrcRegisters[0], 0);
+
+
+ if (writemask & TGSI_WRITEMASK_XW) {
+ x87_fld1(cp->func);
+ x87_fst_or_nop(cp->func, writemask, 0, dst);
+ x87_fstp_or_pop(cp->func, writemask, 3, dst);
+ }
+
+ if (writemask & TGSI_WRITEMASK_YZ) {
+
+ /* Pre-zero destinations, may be overwritten later... fixme.
+ */
+ x87_fldz(cp->func);
+ x87_fst_or_nop(cp->func, writemask, 1, dst);
+ x87_fstp_or_pop(cp->func, writemask, 2, dst);
+
+
+ /* Check arg0[0]:
+ */
+ x87_fldz(cp->func); /* 0 a0 a1 a3 */
+ x87_fucomp(cp->func, st1); /* a0 a1 a3 */
+ x87_fnstsw(cp->func, cp->tmp_EAX);
+ x86_sahf(cp->func);
+ fixup1 = x86_jcc_forward(cp->func, cc_AE);
+
+ x87_fstp_or_pop(cp->func, writemask, 1, dst); /* a1 a3 */
+
+ /* Check arg0[1]:
+ */
+ x87_fldz(cp->func); /* 0 a1 a3 */
+ x87_fucomp(cp->func, st1); /* a1 a3 */
+ x87_fnstsw(cp->func, cp->tmp_EAX);
+ x86_sahf(cp->func);
+ fixup2 = x86_jcc_forward(cp->func, cc_AE);
+
+ /* Compute pow(a1, a3)
+ */
+ x87_fyl2x(cp->func); /* a3*log2(a1) */
+
+ emit_x87_ex2( cp ); /* 2^(a3*log2(a1)) */
+
+ x87_fstp_or_pop(cp->func, writemask, 2, dst);
+
+ /* Land jumps:
+ */
+ x86_fixup_fwd_jump(cp->func, fixup1);
+ x86_fixup_fwd_jump(cp->func, fixup2);
+ }
+
+ return TRUE;
+}
+
+
+
+static boolean emit_MAX( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_maxps(cp->func, dst, arg1);
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+
+static boolean emit_MIN( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_minps(cp->func, dst, arg1);
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+static boolean emit_MOV( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, dst, arg0);
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+static boolean emit_MUL( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_mulps(cp->func, dst, arg1);
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+
+static boolean emit_MAD( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg arg2 = fetch_src(cp, &op->FullSrcRegisters[2]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_mulps(cp->func, dst, arg1);
+ sse_addps(cp->func, dst, arg2);
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+
+static boolean emit_POW( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ x87_fld_src(cp, &op->FullSrcRegisters[1], 0); /* a1.x */
+ x87_fld_src(cp, &op->FullSrcRegisters[0], 0); /* a0.x a1.x */
+ x87_fyl2x(cp->func); /* a1*log2(a0) */
+
+ emit_x87_ex2( cp ); /* 2^(a1*log2(a0)) */
+
+ x87_fstp_dest4(cp, &op->FullDstRegisters[0]);
+ return TRUE;
+}
+
+
+static boolean emit_RCP( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ if (cp->have_sse2) {
+ sse2_rcpss(cp->func, dst, arg0);
+ /* extend precision here...
+ */
+ }
+ else {
+ struct x86_reg ones = aos_get_internal(cp, IMM_ONES);
+ sse_movss(cp->func, dst, ones);
+ sse_divss(cp->func, dst, arg0);
+ }
+
+ sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+static boolean emit_RSQ( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ sse_rsqrtss(cp->func, dst, arg0);
+
+ /* Extend precision here...
+ */
+
+ sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+
+static boolean emit_SGE( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+ struct x86_reg ones = aos_get_internal(cp, IMM_ONES);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_cmpps(cp->func, dst, arg1, cc_NotLessThan);
+ sse_andps(cp->func, dst, ones);
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+static boolean emit_SIN( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ x87_fld_src(cp, &op->FullSrcRegisters[0], 0);
+ x87_fsin(cp->func);
+ x87_fstp_dest4(cp, &op->FullDstRegisters[0]);
+ return TRUE;
+}
+
+
+
+static boolean emit_SLT( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+ struct x86_reg ones = aos_get_internal(cp, IMM_ONES);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_cmpps(cp->func, dst, arg1, cc_LessThan);
+ sse_andps(cp->func, dst, ones);
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+static boolean emit_SUB( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+
+ sse_movups(cp->func, dst, arg0);
+ sse_subps(cp->func, dst, arg1);
+
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+
+static boolean emit_XPD( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg arg1 = fetch_src(cp, &op->FullSrcRegisters[1]);
+ struct x86_reg dst = aos_get_xmm_reg(cp);
+ struct x86_reg tmp0 = aos_get_xmm_reg(cp);
+ struct x86_reg tmp1 = aos_get_xmm_reg(cp);
+
+ /* Could avoid tmp0, tmp1 if we overwrote arg0, arg1. Need a way
+ * to invalidate registers. This will come with better analysis
+ * (liveness analysis) of the incoming program.
+ */
+ emit_pshufd(cp, dst, arg0, SHUF(Y, Z, X, W));
+ emit_pshufd(cp, tmp1, arg1, SHUF(Z, X, Y, W));
+ sse_mulps(cp->func, dst, tmp1);
+ emit_pshufd(cp, tmp0, arg0, SHUF(Z, X, Y, W));
+ emit_pshufd(cp, tmp1, arg1, SHUF(Y, Z, X, W));
+ sse_mulps(cp->func, tmp0, tmp1);
+ sse_subps(cp->func, dst, tmp0);
+
+/* dst[0] = arg0[1] * arg1[2] - arg0[2] * arg1[1]; */
+/* dst[1] = arg0[2] * arg1[0] - arg0[0] * arg1[2]; */
+/* dst[2] = arg0[0] * arg1[1] - arg0[1] * arg1[0]; */
+/* dst[3] is undef */
+
+
+ aos_release_xmm_reg(cp, tmp0.idx);
+ aos_release_xmm_reg(cp, tmp1.idx);
+ store_dest(cp, &op->FullDstRegisters[0], dst);
+ return TRUE;
+}
+
+
+
+static boolean
+emit_instruction( struct aos_compilation *cp,
+ struct tgsi_full_instruction *inst )
+{
+ switch( inst->Instruction.Opcode ) {
+ case TGSI_OPCODE_MOV:
+ return emit_MOV( cp, inst );
+
+ case TGSI_OPCODE_LIT:
+ return emit_LIT(cp, inst);
+
+ case TGSI_OPCODE_RCP:
+ return emit_RCP(cp, inst);
+
+ case TGSI_OPCODE_RSQ:
+ return emit_RSQ(cp, inst);
+
+ case TGSI_OPCODE_EXP:
+ return emit_EXP(cp, inst);
+
+ case TGSI_OPCODE_LOG:
+ return emit_LOG(cp, inst);
+
+ case TGSI_OPCODE_MUL:
+ return emit_MUL(cp, inst);
+
+ case TGSI_OPCODE_ADD:
+ return emit_ADD(cp, inst);
+
+ case TGSI_OPCODE_DP3:
+ return emit_DP3(cp, inst);
+
+ case TGSI_OPCODE_DP4:
+ return emit_DP4(cp, inst);
+
+ case TGSI_OPCODE_DST:
+ return emit_DST(cp, inst);
+
+ case TGSI_OPCODE_MIN:
+ return emit_MIN(cp, inst);
+
+ case TGSI_OPCODE_MAX:
+ return emit_MAX(cp, inst);
+
+ case TGSI_OPCODE_SLT:
+ return emit_SLT(cp, inst);
+
+ case TGSI_OPCODE_SGE:
+ return emit_SGE(cp, inst);
+
+ case TGSI_OPCODE_MAD:
+ return emit_MAD(cp, inst);
+
+ case TGSI_OPCODE_SUB:
+ return emit_SUB(cp, inst);
+
+ case TGSI_OPCODE_LERP:
+// return emit_LERP(cp, inst);
+ return FALSE;
+
+ case TGSI_OPCODE_FRAC:
+ return emit_FRC(cp, inst);
+
+ case TGSI_OPCODE_CLAMP:
+// return emit_CLAMP(cp, inst);
+ return FALSE;
+
+ case TGSI_OPCODE_FLOOR:
+ return emit_FLR(cp, inst);
+
+ case TGSI_OPCODE_ROUND:
+ return emit_RND(cp, inst);
+
+ case TGSI_OPCODE_EXPBASE2:
+ return emit_EX2(cp, inst);
+
+ case TGSI_OPCODE_LOGBASE2:
+ return emit_LG2(cp, inst);
+
+ case TGSI_OPCODE_POWER:
+ return emit_POW(cp, inst);
+
+ case TGSI_OPCODE_CROSSPRODUCT:
+ return emit_XPD(cp, inst);
+
+ case TGSI_OPCODE_ABS:
+ return emit_ABS(cp, inst);
+
+ case TGSI_OPCODE_DPH:
+ return emit_DPH(cp, inst);
+
+ case TGSI_OPCODE_COS:
+ return emit_COS(cp, inst);
+
+ case TGSI_OPCODE_SIN:
+ return emit_SIN(cp, inst);
+
+ case TGSI_OPCODE_END:
+ return TRUE;
+
+ default:
+ return FALSE;
+ }
+}
+
+static boolean note_immediate( struct aos_compilation *cp,
+ struct tgsi_full_immediate *imm )
+{
+ unsigned pos = cp->num_immediates++;
+ unsigned j;
+
+ for (j = 0; j < imm->Immediate.Size; j++) {
+ cp->vaos->machine->immediate[pos][j] = imm->u.ImmediateFloat32[j].Float;
+ }
+
+ return TRUE;
+}
+
+
+
+
+static void find_last_write_outputs( struct aos_compilation *cp )
+{
+ struct tgsi_parse_context parse;
+ unsigned this_instruction = 0;
+ unsigned i;
+
+ tgsi_parse_init( &parse, cp->vaos->base.vs->state.tokens );
+
+ while (!tgsi_parse_end_of_tokens( &parse )) {
+
+ tgsi_parse_token( &parse );
+
+ if (parse.FullToken.Token.Type != TGSI_TOKEN_TYPE_INSTRUCTION)
+ continue;
+
+ for (i = 0; i < TGSI_FULL_MAX_DST_REGISTERS; i++) {
+ if (parse.FullToken.FullInstruction.FullDstRegisters[i].DstRegister.File ==
+ TGSI_FILE_OUTPUT)
+ {
+ unsigned idx = parse.FullToken.FullInstruction.FullDstRegisters[i].DstRegister.Index;
+ cp->output_last_write[idx] = this_instruction;
+ }
+ }
+
+ this_instruction++;
+ }
+
+ tgsi_parse_free( &parse );
+}
+
+
+#define ARG_VARIENT 1
+#define ARG_START_ELTS 2
+#define ARG_COUNT 3
+#define ARG_OUTBUF 4
+
+
+static boolean build_vertex_program( struct draw_vs_varient_aos_sse *varient,
+ boolean linear )
+{
+ struct tgsi_parse_context parse;
+ struct aos_compilation cp;
+ unsigned fixup, label;
+
+ tgsi_parse_init( &parse, varient->base.vs->state.tokens );
+
+ memset(&cp, 0, sizeof(cp));
+
+ cp.insn_counter = 1;
+ cp.vaos = varient;
+ cp.have_sse2 = 1;
+ cp.func = &varient->func[ linear ? 0 : 1 ];
+
+ cp.tmp_EAX = x86_make_reg(file_REG32, reg_AX);
+ cp.idx_EBX = x86_make_reg(file_REG32, reg_BX);
+ cp.outbuf_ECX = x86_make_reg(file_REG32, reg_CX);
+ cp.machine_EDX = x86_make_reg(file_REG32, reg_DX);
+ cp.count_ESI = x86_make_reg(file_REG32, reg_SI);
+
+ x86_init_func(cp.func);
+
+ find_last_write_outputs(&cp);
+
+ x86_push(cp.func, cp.idx_EBX);
+ x86_push(cp.func, cp.count_ESI);
+
+
+ /* Load arguments into regs:
+ */
+ x86_mov(cp.func, cp.machine_EDX, x86_fn_arg(cp.func, ARG_VARIENT));
+ x86_mov(cp.func, cp.idx_EBX, x86_fn_arg(cp.func, ARG_START_ELTS));
+ x86_mov(cp.func, cp.count_ESI, x86_fn_arg(cp.func, ARG_COUNT));
+ x86_mov(cp.func, cp.outbuf_ECX, x86_fn_arg(cp.func, ARG_OUTBUF));
+
+
+ /* Compare count to zero and possibly bail.
+ */
+ x86_xor(cp.func, cp.tmp_EAX, cp.tmp_EAX);
+ x86_cmp(cp.func, cp.count_ESI, cp.tmp_EAX);
+ fixup = x86_jcc_forward(cp.func, cc_E);
+
+ /* Dig out the machine pointer from inside the varient arg
+ */
+ x86_mov(cp.func, cp.machine_EDX,
+ x86_make_disp(cp.machine_EDX,
+ Offset( struct draw_vs_varient_aos_sse, machine )));
+
+ save_fpu_state( &cp );
+
+ /* Note address for loop jump
+ */
+ label = x86_get_label(cp.func);
+ {
+ /* Fetch inputs... TODO: fetch lazily...
+ */
+ if (!aos_fetch_inputs( &cp, linear ))
+ goto fail;
+
+ /* Emit the shader:
+ */
+ while( !tgsi_parse_end_of_tokens( &parse ) && !cp.error )
+ {
+ tgsi_parse_token( &parse );
+
+ switch (parse.FullToken.Token.Type) {
+ case TGSI_TOKEN_TYPE_IMMEDIATE:
+ if (!note_immediate( &cp, &parse.FullToken.FullImmediate ))
+ goto fail;
+ break;
+
+ case TGSI_TOKEN_TYPE_INSTRUCTION:
+ if (!emit_instruction( &cp, &parse.FullToken.FullInstruction ))
+ goto fail;
+ break;
+ }
+
+ cp.insn_counter++;
+ debug_printf("\n");
+ }
+
+ if (cp.error)
+ goto fail;
+
+ /* Emit output... TODO: do this eagerly after the last write to a
+ * given output.
+ */
+ if (!aos_emit_outputs( &cp ))
+ goto fail;
+
+
+ /* Next vertex:
+ */
+ x86_lea(cp.func,
+ cp.outbuf_ECX,
+ x86_make_disp(cp.outbuf_ECX,
+ cp.vaos->base.key.output_stride));
+
+ /* Incr index
+ */
+ if (linear) {
+ x86_inc(cp.func, cp.idx_EBX);
+ }
+ else {
+ x86_lea(cp.func, cp.idx_EBX, x86_make_disp(cp.idx_EBX, 4));
+ }
+
+ }
+ /* decr count, loop if not zero
+ */
+ x86_dec(cp.func, cp.count_ESI);
+/* x86_test(cp.func, cp.count_ESI, cp.count_ESI); */
+ x86_jcc(cp.func, cc_NZ, label);
+
+ restore_fpu_state(&cp);
+
+ /* Land forward jump here:
+ */
+ x86_fixup_fwd_jump(cp.func, fixup);
+
+ /* Exit mmx state?
+ */
+ if (cp.func->need_emms)
+ mmx_emms(cp.func);
+
+ x86_pop(cp.func, cp.count_ESI);
+ x86_pop(cp.func, cp.idx_EBX);
+
+ x86_ret(cp.func);
+
+ tgsi_parse_free( &parse );
+ return !cp.error;
+
+ fail:
+ tgsi_parse_free( &parse );
+ return FALSE;
+}
+
+
+
+static void vaos_set_buffer( struct draw_vs_varient *varient,
+ unsigned buf,
+ const void *ptr,
+ unsigned stride )
+{
+ struct draw_vs_varient_aos_sse *vaos = (struct draw_vs_varient_aos_sse *)varient;
+ unsigned i;
+
+ for (i = 0; i < vaos->base.vs->info.num_inputs; i++) {
+ if (vaos->base.key.element[i].in.buffer == buf) {
+ vaos->machine->attrib[i].input_ptr = ((char *)ptr +
+ vaos->base.key.element[i].in.offset);
+ vaos->machine->attrib[i].input_stride = stride;
+ }
+ }
+}
+
+
+static void vaos_destroy( struct draw_vs_varient *varient )
+{
+ struct draw_vs_varient_aos_sse *vaos = (struct draw_vs_varient_aos_sse *)varient;
+
+ if (vaos->machine)
+ align_free( vaos->machine );
+
+ x86_release_func( &vaos->func[0] );
+ x86_release_func( &vaos->func[1] );
+
+ FREE(vaos);
+}
+
+static void vaos_run_elts( struct draw_vs_varient *varient,
+ const unsigned *elts,
+ unsigned count,
+ void *output_buffer )
+{
+ struct draw_vs_varient_aos_sse *vaos = (struct draw_vs_varient_aos_sse *)varient;
+
+ vaos->gen_run_elts( varient,
+ elts,
+ count,
+ output_buffer );
+}
+
+static void vaos_run_linear( struct draw_vs_varient *varient,
+ unsigned start,
+ unsigned count,
+ void *output_buffer )
+{
+ struct draw_vs_varient_aos_sse *vaos = (struct draw_vs_varient_aos_sse *)varient;
+
+ vaos->gen_run_linear( varient,
+ start,
+ count,
+ output_buffer );
+}
+
+
+static void vaos_set_constants( struct draw_vs_varient *varient,
+ const float (*constants)[4] )
+{
+ struct draw_vs_varient_aos_sse *vaos = (struct draw_vs_varient_aos_sse *)varient;
+
+ memcpy(vaos->machine->constant,
+ constants,
+ (vaos->base.vs->info.file_max[TGSI_FILE_CONSTANT] + 1) * 4 * sizeof(float));
+}
+
+
+static struct draw_vs_varient *varient_aos_sse( struct draw_vertex_shader *vs,
+ const struct draw_vs_varient_key *key )
+{
+ struct draw_vs_varient_aos_sse *vaos = CALLOC_STRUCT(draw_vs_varient_aos_sse);
+
+ if (!vaos)
+ goto fail;
+
+ vaos->base.key = *key;
+ vaos->base.vs = vs;
+ vaos->base.set_input = vaos_set_buffer;
+ vaos->base.set_constants = vaos_set_constants;
+ vaos->base.destroy = vaos_destroy;
+ vaos->base.run_linear = vaos_run_linear;
+ vaos->base.run_elts = vaos_run_elts;
+
+ vaos->machine = align_malloc( sizeof(struct aos_machine), 16 );
+ if (!vaos->machine)
+ goto fail;
+
+ memset(vaos->machine, 0, sizeof(struct aos_machine));
+
+ tgsi_dump(vs->state.tokens, 0);
+
+ if (!build_vertex_program( vaos, TRUE ))
+ goto fail;
+
+ if (!build_vertex_program( vaos, FALSE ))
+ goto fail;
+
+ vaos->gen_run_linear = (vsv_run_linear_func)x86_get_func(&vaos->func[0]);
+ if (!vaos->gen_run_linear)
+ goto fail;
+
+ vaos->gen_run_elts = (vsv_run_elts_func)x86_get_func(&vaos->func[1]);
+ if (!vaos->gen_run_elts)
+ goto fail;
+
+ return &vaos->base;
+
+ fail:
+ if (vaos->machine)
+ align_free( vaos->machine );
+
+ if (vaos)
+ x86_release_func( &vaos->func[0] );
+
+ if (vaos)
+ x86_release_func( &vaos->func[1] );
+
+ FREE(vaos);
+
+ return NULL;
+}
+
+
+struct draw_vs_varient *draw_vs_varient_aos_sse( struct draw_vertex_shader *vs,
+ const struct draw_vs_varient_key *key )
+{
+ struct draw_vs_varient *varient = varient_aos_sse( vs, key );
+
+ if (varient == NULL) {
+ assert(0);
+ varient = draw_vs_varient_generic( vs, key );
+ }
+
+ return varient;
+}
+
+
+
+#endif
projects / profile / ivi / mesa.git / commitdiff