diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/tnl/t_vb_arbprogram.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/tnl/t_vb_arbprogram.c | 1496 |
1 files changed, 0 insertions, 1496 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/tnl/t_vb_arbprogram.c b/nx-X11/extras/Mesa/src/mesa/tnl/t_vb_arbprogram.c deleted file mode 100644 index 0b76bd008..000000000 --- a/nx-X11/extras/Mesa/src/mesa/tnl/t_vb_arbprogram.c +++ /dev/null @@ -1,1496 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.4.1 - * - * Copyright (C) 1999-2005 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. - */ - -/** - * \file t_arb_program.c - * Compile vertex programs to an intermediate representation. - * Execute vertex programs over a buffer of vertices. - * \author Keith Whitwell, Brian Paul - */ - -#include "glheader.h" -#include "context.h" -#include "imports.h" -#include "macros.h" -#include "mtypes.h" -#include "arbprogparse.h" -#include "light.h" -#include "program.h" -#include "math/m_matrix.h" -#include "math/m_translate.h" -#include "t_context.h" -#include "t_pipeline.h" -#include "t_vb_arbprogram.h" -#include "tnl.h" - - -#define DISASSEM 0 - -/*--------------------------------------------------------------------------- */ - -struct opcode_info { - GLuint nr_args; - const char *string; - void (*print)( union instruction , const struct opcode_info * ); -}; - -struct compilation { - GLuint reg_active; - union instruction *csr; -}; - - -#define ARB_VP_MACHINE(stage) ((struct arb_vp_machine *)(stage->privatePtr)) - -#define PUFF(x) ((x)[1] = (x)[2] = (x)[3] = (x)[0]) - - - -/* Lower precision functions for the EXP, LOG and LIT opcodes. The - * LOG2() implementation is probably not accurate enough, and the - * attempted optimization for Exp2 is definitely not accurate - * enough - it discards all of t's fractional bits! - */ -static GLfloat RoughApproxLog2(GLfloat t) -{ - return LOG2(t); -} - -static GLfloat RoughApproxExp2(GLfloat t) -{ -#if 0 - fi_type fi; - fi.i = (GLint) t; - fi.i = (fi.i << 23) + 0x3f800000; - return fi.f; -#else - return (GLfloat) _mesa_pow(2.0, t); -#endif -} - -static GLfloat RoughApproxPower(GLfloat x, GLfloat y) -{ - if (x == 0.0 && y == 0.0) - return 1.0; /* spec requires this */ - else - return RoughApproxExp2(y * RoughApproxLog2(x)); -} - - -/* Higher precision functions for the EX2, LG2 and POW opcodes: - */ -static GLfloat ApproxLog2(GLfloat t) -{ - return (GLfloat) (log(t) * 1.442695F); -} - -static GLfloat ApproxExp2(GLfloat t) -{ - return (GLfloat) _mesa_pow(2.0, t); -} - -static GLfloat ApproxPower(GLfloat x, GLfloat y) -{ - return (GLfloat) _mesa_pow(x, y); -} - -static GLfloat rough_approx_log2_0_1(GLfloat x) -{ - return LOG2(x); -} - - - - -/** - * Perform a reduced swizzle: - */ -static void do_RSW( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.rsw.dst]; - const GLfloat *arg0 = m->File[op.rsw.file0][op.rsw.idx0]; - GLuint swz = op.rsw.swz; - GLuint neg = op.rsw.neg; - GLfloat tmp[4]; - - /* Need a temporary to be correct in the case where result == arg0. - */ - COPY_4V(tmp, arg0); - - result[0] = tmp[GET_RSW(swz, 0)]; - result[1] = tmp[GET_RSW(swz, 1)]; - result[2] = tmp[GET_RSW(swz, 2)]; - result[3] = tmp[GET_RSW(swz, 3)]; - - if (neg) { - if (neg & 0x1) result[0] = -result[0]; - if (neg & 0x2) result[1] = -result[1]; - if (neg & 0x4) result[2] = -result[2]; - if (neg & 0x8) result[3] = -result[3]; - } -} - -/* Used to implement write masking. To make things easier for the sse - * generator I've gone back to a 1 argument version of this function - * (dst.msk = arg), rather than the semantically cleaner (dst = SEL - * arg0, arg1, msk) - * - * That means this is the only instruction which doesn't write a full - * 4 dwords out. This would make such a program harder to analyse, - * but it looks like analysis is going to take place on a higher level - * anyway. - */ -static void do_MSK( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *dst = m->File[0][op.msk.dst]; - const GLfloat *arg = m->File[op.msk.file][op.msk.idx]; - - if (op.msk.mask & 0x1) dst[0] = arg[0]; - if (op.msk.mask & 0x2) dst[1] = arg[1]; - if (op.msk.mask & 0x4) dst[2] = arg[2]; - if (op.msk.mask & 0x8) dst[3] = arg[3]; -} - - -static void do_PRT( struct arb_vp_machine *m, union instruction op ) -{ - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - - _mesa_printf("%d: %f %f %f %f\n", m->vtx_nr, - arg0[0], arg0[1], arg0[2], arg0[3]); -} - - -/** - * The traditional ALU and texturing instructions. All operate on - * internal registers and ignore write masks and swizzling issues. - */ - -static void do_ABS( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - - result[0] = (arg0[0] < 0.0) ? -arg0[0] : arg0[0]; - result[1] = (arg0[1] < 0.0) ? -arg0[1] : arg0[1]; - result[2] = (arg0[2] < 0.0) ? -arg0[2] : arg0[2]; - result[3] = (arg0[3] < 0.0) ? -arg0[3] : arg0[3]; -} - -static void do_ADD( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = arg0[0] + arg1[0]; - result[1] = arg0[1] + arg1[1]; - result[2] = arg0[2] + arg1[2]; - result[3] = arg0[3] + arg1[3]; -} - - -static void do_DP3( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = (arg0[0] * arg1[0] + - arg0[1] * arg1[1] + - arg0[2] * arg1[2]); - - PUFF(result); -} - - - -static void do_DP4( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = (arg0[0] * arg1[0] + - arg0[1] * arg1[1] + - arg0[2] * arg1[2] + - arg0[3] * arg1[3]); - - PUFF(result); -} - -static void do_DPH( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = (arg0[0] * arg1[0] + - arg0[1] * arg1[1] + - arg0[2] * arg1[2] + - 1.0 * arg1[3]); - - PUFF(result); -} - -static void do_DST( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - /* This should be ok even if result == arg0 or result == arg1. - */ - result[0] = 1.0F; - result[1] = arg0[1] * arg1[1]; - result[2] = arg0[2]; - result[3] = arg1[3]; -} - - -/* Intended to be high precision: - */ -static void do_EX2( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - - result[0] = (GLfloat)ApproxExp2(arg0[0]); - PUFF(result); -} - - -/* Allowed to be lower precision: - */ -static void do_EXP( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - GLfloat tmp = arg0[0]; - GLfloat flr_tmp = FLOORF(tmp); - GLfloat frac_tmp = tmp - flr_tmp; - - result[0] = LDEXPF(1.0, (int)flr_tmp); - result[1] = frac_tmp; - result[2] = LDEXPF(rough_approx_log2_0_1(frac_tmp), (int)flr_tmp); - result[3] = 1.0F; -} - -static void do_FLR( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - - result[0] = FLOORF(arg0[0]); - result[1] = FLOORF(arg0[1]); - result[2] = FLOORF(arg0[2]); - result[3] = FLOORF(arg0[3]); -} - -static void do_FRC( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - - result[0] = arg0[0] - FLOORF(arg0[0]); - result[1] = arg0[1] - FLOORF(arg0[1]); - result[2] = arg0[2] - FLOORF(arg0[2]); - result[3] = arg0[3] - FLOORF(arg0[3]); -} - -/* High precision log base 2: - */ -static void do_LG2( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - - result[0] = ApproxLog2(arg0[0]); - PUFF(result); -} - - - -static void do_LIT( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - GLfloat tmp[4]; - - tmp[0] = 1.0; - tmp[1] = arg0[0]; - if (arg0[0] > 0.0) { - tmp[2] = RoughApproxPower(arg0[1], arg0[3]); - } - else { - tmp[2] = 0.0; - } - tmp[3] = 1.0; - - - COPY_4V(result, tmp); -} - - -/* Intended to allow a lower precision than required for LG2 above. - */ -static void do_LOG( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - GLfloat tmp = FABSF(arg0[0]); - int exponent; - GLfloat mantissa = FREXPF(tmp, &exponent); - - result[0] = (GLfloat) (exponent - 1); - result[1] = 2.0 * mantissa; /* map [.5, 1) -> [1, 2) */ - result[2] = exponent + LOG2(mantissa); - result[3] = 1.0; -} - -static void do_MAX( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = (arg0[0] > arg1[0]) ? arg0[0] : arg1[0]; - result[1] = (arg0[1] > arg1[1]) ? arg0[1] : arg1[1]; - result[2] = (arg0[2] > arg1[2]) ? arg0[2] : arg1[2]; - result[3] = (arg0[3] > arg1[3]) ? arg0[3] : arg1[3]; -} - - -static void do_MIN( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = (arg0[0] < arg1[0]) ? arg0[0] : arg1[0]; - result[1] = (arg0[1] < arg1[1]) ? arg0[1] : arg1[1]; - result[2] = (arg0[2] < arg1[2]) ? arg0[2] : arg1[2]; - result[3] = (arg0[3] < arg1[3]) ? arg0[3] : arg1[3]; -} - -static void do_MOV( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - - result[0] = arg0[0]; - result[1] = arg0[1]; - result[2] = arg0[2]; - result[3] = arg0[3]; -} - -static void do_MUL( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = arg0[0] * arg1[0]; - result[1] = arg0[1] * arg1[1]; - result[2] = arg0[2] * arg1[2]; - result[3] = arg0[3] * arg1[3]; -} - - -/* Intended to be "high" precision - */ -static void do_POW( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = (GLfloat)ApproxPower(arg0[0], arg1[0]); - PUFF(result); -} - -static void do_REL( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - GLuint idx = (op.alu.idx0 + (GLint)m->File[0][REG_ADDR][0]) & (MAX_NV_VERTEX_PROGRAM_PARAMS-1); - const GLfloat *arg0 = m->File[op.alu.file0][idx]; - - result[0] = arg0[0]; - result[1] = arg0[1]; - result[2] = arg0[2]; - result[3] = arg0[3]; -} - -static void do_RCP( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - - result[0] = 1.0F / arg0[0]; - PUFF(result); -} - -static void do_RSQ( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - - result[0] = INV_SQRTF(FABSF(arg0[0])); - PUFF(result); -} - - -static void do_SGE( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = (arg0[0] >= arg1[0]) ? 1.0F : 0.0F; - result[1] = (arg0[1] >= arg1[1]) ? 1.0F : 0.0F; - result[2] = (arg0[2] >= arg1[2]) ? 1.0F : 0.0F; - result[3] = (arg0[3] >= arg1[3]) ? 1.0F : 0.0F; -} - - -static void do_SLT( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = (arg0[0] < arg1[0]) ? 1.0F : 0.0F; - result[1] = (arg0[1] < arg1[1]) ? 1.0F : 0.0F; - result[2] = (arg0[2] < arg1[2]) ? 1.0F : 0.0F; - result[3] = (arg0[3] < arg1[3]) ? 1.0F : 0.0F; -} - -static void do_SUB( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - - result[0] = arg0[0] - arg1[0]; - result[1] = arg0[1] - arg1[1]; - result[2] = arg0[2] - arg1[2]; - result[3] = arg0[3] - arg1[3]; -} - - -static void do_XPD( struct arb_vp_machine *m, union instruction op ) -{ - GLfloat *result = m->File[0][op.alu.dst]; - const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0]; - const GLfloat *arg1 = m->File[op.alu.file1][op.alu.idx1]; - GLfloat tmp[3]; - - tmp[0] = arg0[1] * arg1[2] - arg0[2] * arg1[1]; - tmp[1] = arg0[2] * arg1[0] - arg0[0] * arg1[2]; - tmp[2] = arg0[0] * arg1[1] - arg0[1] * arg1[0]; - - /* Need a temporary to be correct in the case where result == arg0 - * or result == arg1. - */ - result[0] = tmp[0]; - result[1] = tmp[1]; - result[2] = tmp[2]; -} - -static void do_NOP( struct arb_vp_machine *m, union instruction op ) -{ -} - -/* Some useful debugging functions: - */ -static void print_mask( GLuint mask ) -{ - _mesa_printf("."); - if (mask&0x1) _mesa_printf("x"); - if (mask&0x2) _mesa_printf("y"); - if (mask&0x4) _mesa_printf("z"); - if (mask&0x8) _mesa_printf("w"); -} - -static void print_reg( GLuint file, GLuint reg ) -{ - static const char *reg_file[] = { - "REG", - "LOCAL_PARAM", - "ENV_PARAM", - "STATE_VAR", - }; - - if (file == 0) { - if (reg == REG_RES) - _mesa_printf("RES"); - else if (reg >= REG_ARG0 && reg <= REG_ARG1) - _mesa_printf("ARG%d", reg - REG_ARG0); - else if (reg >= REG_TMP0 && reg <= REG_TMP11) - _mesa_printf("TMP%d", reg - REG_TMP0); - else if (reg >= REG_IN0 && reg <= REG_IN31) - _mesa_printf("IN%d", reg - REG_IN0); - else if (reg >= REG_OUT0 && reg <= REG_OUT14) - _mesa_printf("OUT%d", reg - REG_OUT0); - else if (reg == REG_ADDR) - _mesa_printf("ADDR"); - else if (reg == REG_ID) - _mesa_printf("ID"); - else - _mesa_printf("REG%d", reg); - } - else - _mesa_printf("%s:%d", reg_file[file], reg); -} - - -static void print_RSW( union instruction op, const struct opcode_info *info ) -{ - GLuint swz = op.rsw.swz; - GLuint neg = op.rsw.neg; - GLuint i; - - _mesa_printf("%s ", info->string); - print_reg(0, op.rsw.dst); - _mesa_printf(", "); - print_reg(op.rsw.file0, op.rsw.idx0); - _mesa_printf("."); - for (i = 0; i < 4; i++, swz >>= 2) { - const char *cswz = "xyzw"; - if (neg & (1<<i)) - _mesa_printf("-"); - _mesa_printf("%c", cswz[swz&0x3]); - } - _mesa_printf("\n"); -} - - -static void print_ALU( union instruction op, const struct opcode_info *info ) -{ - _mesa_printf("%s ", info->string); - print_reg(0, op.alu.dst); - _mesa_printf(", "); - print_reg(op.alu.file0, op.alu.idx0); - if (info->nr_args > 1) { - _mesa_printf(", "); - print_reg(op.alu.file1, op.alu.idx1); - } - _mesa_printf("\n"); -} - -static void print_MSK( union instruction op, const struct opcode_info *info ) -{ - _mesa_printf("%s ", info->string); - print_reg(0, op.msk.dst); - print_mask(op.msk.mask); - _mesa_printf(", "); - print_reg(op.msk.file, op.msk.idx); - _mesa_printf("\n"); -} - - -static void print_NOP( union instruction op, const struct opcode_info *info ) -{ -} - -#define NOP 0 -#define ALU 1 -#define SWZ 2 - -static const struct opcode_info opcode_info[] = -{ - { 1, "ABS", print_ALU }, - { 2, "ADD", print_ALU }, - { 1, "ARL", print_NOP }, - { 2, "DP3", print_ALU }, - { 2, "DP4", print_ALU }, - { 2, "DPH", print_ALU }, - { 2, "DST", print_ALU }, - { 0, "END", print_NOP }, - { 1, "EX2", print_ALU }, - { 1, "EXP", print_ALU }, - { 1, "FLR", print_ALU }, - { 1, "FRC", print_ALU }, - { 1, "LG2", print_ALU }, - { 1, "LIT", print_ALU }, - { 1, "LOG", print_ALU }, - { 3, "MAD", print_NOP }, - { 2, "MAX", print_ALU }, - { 2, "MIN", print_ALU }, - { 1, "MOV", print_ALU }, - { 2, "MUL", print_ALU }, - { 2, "POW", print_ALU }, - { 1, "PRT", print_ALU }, /* PRINT */ - { 1, "RCC", print_NOP }, - { 1, "RCP", print_ALU }, - { 1, "RSQ", print_ALU }, - { 2, "SGE", print_ALU }, - { 2, "SLT", print_ALU }, - { 2, "SUB", print_ALU }, - { 1, "SWZ", print_NOP }, - { 2, "XPD", print_ALU }, - { 1, "RSW", print_RSW }, - { 2, "MSK", print_MSK }, - { 1, "REL", print_ALU }, -}; - -void _tnl_disassem_vba_insn( union instruction op ) -{ - const struct opcode_info *info = &opcode_info[op.alu.opcode]; - info->print( op, info ); -} - - -static void (* const opcode_func[])(struct arb_vp_machine *, union instruction) = -{ - do_ABS, - do_ADD, - do_NOP, - do_DP3, - do_DP4, - do_DPH, - do_DST, - do_NOP, - do_EX2, - do_EXP, - do_FLR, - do_FRC, - do_LG2, - do_LIT, - do_LOG, - do_NOP, - do_MAX, - do_MIN, - do_MOV, - do_MUL, - do_POW, - do_PRT, - do_NOP, - do_RCP, - do_RSQ, - do_SGE, - do_SLT, - do_SUB, - do_RSW, - do_XPD, - do_RSW, - do_MSK, - do_REL, -}; - -static union instruction *cvp_next_instruction( struct compilation *cp ) -{ - union instruction *op = cp->csr++; - op->dword = 0; - return op; -} - -static struct reg cvp_make_reg( GLuint file, GLuint idx ) -{ - struct reg reg; - reg.file = file; - reg.idx = idx; - return reg; -} - -static struct reg cvp_emit_rel( struct compilation *cp, - struct reg reg, - struct reg tmpreg ) -{ - union instruction *op = cvp_next_instruction(cp); - op->alu.opcode = REL; - op->alu.file0 = reg.file; - op->alu.idx0 = reg.idx; - op->alu.dst = tmpreg.idx; - return tmpreg; -} - - -static struct reg cvp_load_reg( struct compilation *cp, - GLuint file, - GLuint index, - GLuint rel, - GLuint tmpidx ) -{ - struct reg tmpreg = cvp_make_reg(FILE_REG, tmpidx); - struct reg reg; - - switch (file) { - case PROGRAM_TEMPORARY: - return cvp_make_reg(FILE_REG, REG_TMP0 + index); - - case PROGRAM_INPUT: - return cvp_make_reg(FILE_REG, REG_IN0 + index); - - case PROGRAM_OUTPUT: - return cvp_make_reg(FILE_REG, REG_OUT0 + index); - - /* These two aren't populated by the parser? - */ - case PROGRAM_LOCAL_PARAM: - reg = cvp_make_reg(FILE_LOCAL_PARAM, index); - if (rel) - return cvp_emit_rel(cp, reg, tmpreg); - else - return reg; - - case PROGRAM_ENV_PARAM: - reg = cvp_make_reg(FILE_ENV_PARAM, index); - if (rel) - return cvp_emit_rel(cp, reg, tmpreg); - else - return reg; - - case PROGRAM_STATE_VAR: - reg = cvp_make_reg(FILE_STATE_PARAM, index); - if (rel) - return cvp_emit_rel(cp, reg, tmpreg); - else - return reg; - - /* Invalid values: - */ - case PROGRAM_WRITE_ONLY: - case PROGRAM_ADDRESS: - default: - assert(0); - return tmpreg; /* can't happen */ - } -} - -static struct reg cvp_emit_arg( struct compilation *cp, - const struct vp_src_register *src, - GLuint arg ) -{ - struct reg reg = cvp_load_reg( cp, src->File, src->Index, src->RelAddr, arg ); - union instruction rsw, noop; - - /* Emit any necessary swizzling. - */ - rsw.dword = 0; - rsw.rsw.neg = src->Negate ? WRITEMASK_XYZW : 0; - rsw.rsw.swz = ((GET_SWZ(src->Swizzle, 0) << 0) | - (GET_SWZ(src->Swizzle, 1) << 2) | - (GET_SWZ(src->Swizzle, 2) << 4) | - (GET_SWZ(src->Swizzle, 3) << 6)); - - noop.dword = 0; - noop.rsw.neg = 0; - noop.rsw.swz = RSW_NOOP; - - if (rsw.dword != noop.dword) { - union instruction *op = cvp_next_instruction(cp); - struct reg rsw_reg = cvp_make_reg(FILE_REG, REG_ARG0 + arg); - op->dword = rsw.dword; - op->rsw.opcode = RSW; - op->rsw.file0 = reg.file; - op->rsw.idx0 = reg.idx; - op->rsw.dst = rsw_reg.idx; - return rsw_reg; - } - else - return reg; -} - -static GLuint cvp_choose_result( struct compilation *cp, - const struct vp_dst_register *dst, - union instruction *fixup ) -{ - GLuint mask = dst->WriteMask; - GLuint idx; - - switch (dst->File) { - case PROGRAM_TEMPORARY: - idx = REG_TMP0 + dst->Index; - break; - case PROGRAM_OUTPUT: - idx = REG_OUT0 + dst->Index; - break; - default: - assert(0); - return REG_RES; /* can't happen */ - } - - /* Optimization: When writing (with a writemask) to an undefined - * value for the first time, the writemask may be ignored. - */ - if (mask != WRITEMASK_XYZW && (cp->reg_active & (1 << idx))) { - fixup->msk.opcode = MSK; - fixup->msk.dst = idx; - fixup->msk.file = FILE_REG; - fixup->msk.idx = REG_RES; - fixup->msk.mask = mask; - cp->reg_active |= 1 << idx; - return REG_RES; - } - else { - fixup->dword = 0; - cp->reg_active |= 1 << idx; - return idx; - } -} - -static struct reg cvp_emit_rsw( struct compilation *cp, - GLuint dst, - struct reg src, - GLuint neg, - GLuint swz, - GLboolean force) -{ - struct reg retval; - - if (swz != RSW_NOOP || neg != 0) { - union instruction *op = cvp_next_instruction(cp); - op->rsw.opcode = RSW; - op->rsw.dst = dst; - op->rsw.file0 = src.file; - op->rsw.idx0 = src.idx; - op->rsw.neg = neg; - op->rsw.swz = swz; - - retval.file = FILE_REG; - retval.idx = dst; - return retval; - } - else if (force) { - /* Oops. Degenerate case: - */ - union instruction *op = cvp_next_instruction(cp); - op->alu.opcode = VP_OPCODE_MOV; - op->alu.dst = dst; - op->alu.file0 = src.file; - op->alu.idx0 = src.idx; - - retval.file = FILE_REG; - retval.idx = dst; - return retval; - } - else { - return src; - } -} - - -static void cvp_emit_inst( struct compilation *cp, - const struct vp_instruction *inst ) -{ - const struct opcode_info *info = &opcode_info[inst->Opcode]; - union instruction *op; - union instruction fixup; - struct reg reg[3]; - GLuint result, i; - - assert(sizeof(*op) == sizeof(GLuint)); - - /* Need to handle SWZ, ARL specially. - */ - switch (inst->Opcode) { - /* Split into mul and add: - */ - case VP_OPCODE_MAD: - result = cvp_choose_result( cp, &inst->DstReg, &fixup ); - for (i = 0; i < 3; i++) - reg[i] = cvp_emit_arg( cp, &inst->SrcReg[i], REG_ARG0+i ); - - op = cvp_next_instruction(cp); - op->alu.opcode = VP_OPCODE_MUL; - op->alu.file0 = reg[0].file; - op->alu.idx0 = reg[0].idx; - op->alu.file1 = reg[1].file; - op->alu.idx1 = reg[1].idx; - op->alu.dst = REG_ARG0; - - op = cvp_next_instruction(cp); - op->alu.opcode = VP_OPCODE_ADD; - op->alu.file0 = FILE_REG; - op->alu.idx0 = REG_ARG0; - op->alu.file1 = reg[2].file; - op->alu.idx1 = reg[2].idx; - op->alu.dst = result; - - if (result == REG_RES) { - op = cvp_next_instruction(cp); - op->dword = fixup.dword; - } - break; - - case VP_OPCODE_ARL: - reg[0] = cvp_emit_arg( cp, &inst->SrcReg[0], REG_ARG0 ); - - op = cvp_next_instruction(cp); - op->alu.opcode = VP_OPCODE_FLR; - op->alu.dst = REG_ADDR; - op->alu.file0 = reg[0].file; - op->alu.idx0 = reg[0].idx; - break; - - case VP_OPCODE_SWZ: { - GLuint swz0 = 0, swz1 = 0; - GLuint neg0 = 0, neg1 = 0; - GLuint mask = 0; - - /* Translate 3-bit-per-element swizzle into two 2-bit swizzles, - * one from the source register the other from a constant - * {0,0,0,1}. - */ - for (i = 0; i < 4; i++) { - GLuint swzelt = GET_SWZ(inst->SrcReg[0].Swizzle, i); - if (swzelt >= SWIZZLE_ZERO) { - neg0 |= inst->SrcReg[0].Negate & (1<<i); - if (swzelt == SWIZZLE_ONE) - swz0 |= SWIZZLE_W << (i*2); - else if (i < SWIZZLE_W) - swz0 |= i << (i*2); - } - else { - mask |= 1<<i; - neg1 |= inst->SrcReg[0].Negate & (1<<i); - swz1 |= swzelt << (i*2); - } - } - - result = cvp_choose_result( cp, &inst->DstReg, &fixup ); - reg[0].file = FILE_REG; - reg[0].idx = REG_ID; - reg[1] = cvp_emit_arg( cp, &inst->SrcReg[0], REG_ARG0 ); - - if (mask == WRITEMASK_XYZW) { - cvp_emit_rsw(cp, result, reg[0], neg0, swz0, GL_TRUE); - - } - else if (mask == 0) { - cvp_emit_rsw(cp, result, reg[1], neg1, swz1, GL_TRUE); - } - else { - cvp_emit_rsw(cp, result, reg[0], neg0, swz0, GL_TRUE); - reg[1] = cvp_emit_rsw(cp, REG_ARG0, reg[1], neg1, swz1, GL_FALSE); - - op = cvp_next_instruction(cp); - op->msk.opcode = MSK; - op->msk.dst = result; - op->msk.file = reg[1].file; - op->msk.idx = reg[1].idx; - op->msk.mask = mask; - } - - if (result == REG_RES) { - op = cvp_next_instruction(cp); - op->dword = fixup.dword; - } - break; - } - - case VP_OPCODE_END: - break; - - default: - result = cvp_choose_result( cp, &inst->DstReg, &fixup ); - for (i = 0; i < info->nr_args; i++) - reg[i] = cvp_emit_arg( cp, &inst->SrcReg[i], REG_ARG0 + i ); - - op = cvp_next_instruction(cp); - op->alu.opcode = inst->Opcode; - op->alu.file0 = reg[0].file; - op->alu.idx0 = reg[0].idx; - op->alu.file1 = reg[1].file; - op->alu.idx1 = reg[1].idx; - op->alu.dst = result; - - if (result == REG_RES) { - op = cvp_next_instruction(cp); - op->dword = fixup.dword; - } - break; - } -} - -static void free_tnl_data( struct vertex_program *program ) -{ - struct tnl_compiled_program *p = program->TnlData; - if (p->compiled_func) - _mesa_free((void *)p->compiled_func); - _mesa_free(p); - program->TnlData = NULL; -} - -static void compile_vertex_program( struct vertex_program *program, - GLboolean try_codegen ) -{ - struct compilation cp; - struct tnl_compiled_program *p = CALLOC_STRUCT(tnl_compiled_program); - GLuint i; - - if (program->TnlData) - free_tnl_data( program ); - - program->TnlData = p; - - /* Initialize cp. Note that ctx and VB aren't used in compilation - * so we don't have to worry about statechanges: - */ - _mesa_memset(&cp, 0, sizeof(cp)); - cp.csr = p->instructions; - - /* Compile instructions: - */ - for (i = 0; i < program->Base.NumInstructions; i++) { - cvp_emit_inst(&cp, &program->Instructions[i]); - } - - /* Finish up: - */ - p->nr_instructions = cp.csr - p->instructions; - - /* Print/disassemble: - */ - if (DISASSEM) { - for (i = 0; i < p->nr_instructions; i++) { - _tnl_disassem_vba_insn(p->instructions[i]); - } - _mesa_printf("\n\n"); - } - -#ifdef USE_SSE_ASM - if (try_codegen) - _tnl_sse_codegen_vertex_program(p); -#endif - -} - - - - -/* ---------------------------------------------------------------------- - * Execution - */ -static void userclip( GLcontext *ctx, - GLvector4f *clip, - GLubyte *clipmask, - GLubyte *clipormask, - GLubyte *clipandmask ) -{ - GLuint p; - - for (p = 0; p < ctx->Const.MaxClipPlanes; p++) { - if (ctx->Transform.ClipPlanesEnabled & (1 << p)) { - GLuint nr, i; - const GLfloat a = ctx->Transform._ClipUserPlane[p][0]; - const GLfloat b = ctx->Transform._ClipUserPlane[p][1]; - const GLfloat c = ctx->Transform._ClipUserPlane[p][2]; - const GLfloat d = ctx->Transform._ClipUserPlane[p][3]; - GLfloat *coord = (GLfloat *)clip->data; - GLuint stride = clip->stride; - GLuint count = clip->count; - - for (nr = 0, i = 0 ; i < count ; i++) { - GLfloat dp = (coord[0] * a + - coord[1] * b + - coord[2] * c + - coord[3] * d); - - if (dp < 0) { - nr++; - clipmask[i] |= CLIP_USER_BIT; - } - - STRIDE_F(coord, stride); - } - - if (nr > 0) { - *clipormask |= CLIP_USER_BIT; - if (nr == count) { - *clipandmask |= CLIP_USER_BIT; - return; - } - } - } - } -} - - -static GLboolean do_ndc_cliptest( struct arb_vp_machine *m ) -{ - GLcontext *ctx = m->ctx; - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = m->VB; - - /* Cliptest and perspective divide. Clip functions must clear - * the clipmask. - */ - m->ormask = 0; - m->andmask = CLIP_ALL_BITS; - - if (tnl->NeedNdcCoords) { - VB->NdcPtr = - _mesa_clip_tab[VB->ClipPtr->size]( VB->ClipPtr, - &m->ndcCoords, - m->clipmask, - &m->ormask, - &m->andmask ); - } - else { - VB->NdcPtr = NULL; - _mesa_clip_np_tab[VB->ClipPtr->size]( VB->ClipPtr, - NULL, - m->clipmask, - &m->ormask, - &m->andmask ); - } - - if (m->andmask) { - /* All vertices are outside the frustum */ - return GL_FALSE; - } - - /* Test userclip planes. This contributes to VB->ClipMask. - */ - if (ctx->Transform.ClipPlanesEnabled && !ctx->VertexProgram._Enabled) { - userclip( ctx, - VB->ClipPtr, - m->clipmask, - &m->ormask, - &m->andmask ); - - if (m->andmask) { - return GL_FALSE; - } - } - - VB->ClipAndMask = m->andmask; - VB->ClipOrMask = m->ormask; - VB->ClipMask = m->clipmask; - - return GL_TRUE; -} - - -static INLINE void call_func( struct tnl_compiled_program *p, - struct arb_vp_machine *m ) -{ - p->compiled_func(m); -} - -/** - * Execute the given vertex program. - * - * TODO: Integrate the t_vertex.c code here, to build machine vertices - * directly at this point. - * - * TODO: Eliminate the VB struct entirely and just use - * struct arb_vertex_machine. - */ -static GLboolean -run_arb_vertex_program(GLcontext *ctx, struct tnl_pipeline_stage *stage) -{ - struct vertex_program *program = (ctx->VertexProgram._Enabled ? - ctx->VertexProgram.Current : - ctx->_TnlProgram); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - struct arb_vp_machine *m = ARB_VP_MACHINE(stage); - struct tnl_compiled_program *p; - GLuint i, j, outputs; - - if (!program || program->IsNVProgram) - return GL_TRUE; - - if (program->Parameters) { - _mesa_load_state_parameters(ctx, program->Parameters); - } - - p = (struct tnl_compiled_program *)program->TnlData; - assert(p); - - - m->nr_inputs = m->nr_outputs = 0; - - for (i = 0; i < _TNL_ATTRIB_MAX; i++) { - if (program->InputsRead & (1<<i)) { - GLuint j = m->nr_inputs++; - m->input[j].idx = i; - m->input[j].data = (GLfloat *)m->VB->AttribPtr[i]->data; - m->input[j].stride = m->VB->AttribPtr[i]->stride; - m->input[j].size = m->VB->AttribPtr[i]->size; - ASSIGN_4V(m->File[0][REG_IN0 + i], 0, 0, 0, 1); - } - } - - for (i = 0; i < 15; i++) { - if (program->OutputsWritten & (1<<i)) { - GLuint j = m->nr_outputs++; - m->output[j].idx = i; - m->output[j].data = (GLfloat *)m->attribs[i].data; - } - } - - - /* Run the actual program: - */ - for (m->vtx_nr = 0; m->vtx_nr < VB->Count; m->vtx_nr++) { - for (j = 0; j < m->nr_inputs; j++) { - GLuint idx = REG_IN0 + m->input[j].idx; - switch (m->input[j].size) { - case 4: m->File[0][idx][3] = m->input[j].data[3]; - case 3: m->File[0][idx][2] = m->input[j].data[2]; - case 2: m->File[0][idx][1] = m->input[j].data[1]; - case 1: m->File[0][idx][0] = m->input[j].data[0]; - } - - STRIDE_F(m->input[j].data, m->input[j].stride); - } - - if (p->compiled_func) { - call_func( p, m ); - } - else { - for (j = 0; j < p->nr_instructions; j++) { - union instruction inst = p->instructions[j]; - opcode_func[inst.alu.opcode]( m, inst ); - } - } - - for (j = 0; j < m->nr_outputs; j++) { - GLuint idx = REG_OUT0 + m->output[j].idx; - m->output[j].data[0] = m->File[0][idx][0]; - m->output[j].data[1] = m->File[0][idx][1]; - m->output[j].data[2] = m->File[0][idx][2]; - m->output[j].data[3] = m->File[0][idx][3]; - m->output[j].data += 4; - } - } - - /* Setup the VB pointers so that the next pipeline stages get - * their data from the right place (the program output arrays). - * - * TODO: 1) Have tnl use these RESULT values for outputs rather - * than trying to shoe-horn inputs and outputs into one set of - * values. - * - * TODO: 2) Integrate t_vertex.c so that we just go straight ahead - * and build machine vertices here. - */ - VB->ClipPtr = &m->attribs[VERT_RESULT_HPOS]; - VB->ClipPtr->count = VB->Count; - - outputs = program->OutputsWritten; - - if (outputs & (1<<VERT_RESULT_COL0)) { - VB->ColorPtr[0] = &m->attribs[VERT_RESULT_COL0]; - VB->AttribPtr[VERT_ATTRIB_COLOR0] = VB->ColorPtr[0]; - } - - if (outputs & (1<<VERT_RESULT_BFC0)) { - VB->ColorPtr[1] = &m->attribs[VERT_RESULT_BFC0]; - } - - if (outputs & (1<<VERT_RESULT_COL1)) { - VB->SecondaryColorPtr[0] = &m->attribs[VERT_RESULT_COL1]; - VB->AttribPtr[VERT_ATTRIB_COLOR1] = VB->SecondaryColorPtr[0]; - } - - if (outputs & (1<<VERT_RESULT_BFC1)) { - VB->SecondaryColorPtr[1] = &m->attribs[VERT_RESULT_BFC1]; - } - - if (outputs & (1<<VERT_RESULT_FOGC)) { - VB->FogCoordPtr = &m->attribs[VERT_RESULT_FOGC]; - VB->AttribPtr[VERT_ATTRIB_FOG] = VB->FogCoordPtr; - } - - if (outputs & (1<<VERT_RESULT_PSIZ)) { - VB->PointSizePtr = &m->attribs[VERT_RESULT_PSIZ]; - VB->AttribPtr[_TNL_ATTRIB_POINTSIZE] = &m->attribs[VERT_RESULT_PSIZ]; - } - - for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { - if (outputs & (1<<(VERT_RESULT_TEX0+i))) { - VB->TexCoordPtr[i] = &m->attribs[VERT_RESULT_TEX0 + i]; - VB->AttribPtr[VERT_ATTRIB_TEX0+i] = VB->TexCoordPtr[i]; - } - } - -#if 0 - for (i = 0; i < VB->Count; i++) { - printf("Out %d: %f %f %f %f %f %f %f %f\n", i, - VEC_ELT(VB->ClipPtr, GLfloat, i)[0], - VEC_ELT(VB->ClipPtr, GLfloat, i)[1], - VEC_ELT(VB->ClipPtr, GLfloat, i)[2], - VEC_ELT(VB->ClipPtr, GLfloat, i)[3], - VEC_ELT(VB->TexCoordPtr[0], GLfloat, i)[0], - VEC_ELT(VB->TexCoordPtr[0], GLfloat, i)[1], - VEC_ELT(VB->TexCoordPtr[0], GLfloat, i)[2], - VEC_ELT(VB->TexCoordPtr[0], GLfloat, i)[3]); - } -#endif - - /* Perform NDC and cliptest operations: - */ - return do_ndc_cliptest(m); -} - - -static void -validate_vertex_program( GLcontext *ctx, struct tnl_pipeline_stage *stage ) -{ - struct arb_vp_machine *m = ARB_VP_MACHINE(stage); - struct vertex_program *program = - (ctx->VertexProgram._Enabled ? ctx->VertexProgram.Current : 0); - - if (!program && ctx->_MaintainTnlProgram) { - program = ctx->_TnlProgram; - } - - if (program) { - if (!program->TnlData) - compile_vertex_program( program, m->try_codegen ); - - /* Grab the state GL state and put into registers: - */ - m->File[FILE_LOCAL_PARAM] = program->Base.LocalParams; - m->File[FILE_ENV_PARAM] = ctx->VertexProgram.Parameters; - /* GL_NV_vertex_programs can't reference GL state */ - if (program->Parameters) - m->File[FILE_STATE_PARAM] = program->Parameters->ParameterValues; - else - m->File[FILE_STATE_PARAM] = NULL; - } -} - - - - - - - -/** - * Called the first time stage->run is called. In effect, don't - * allocate data until the first time the stage is run. - */ -static GLboolean init_vertex_program( GLcontext *ctx, - struct tnl_pipeline_stage *stage ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &(tnl->vb); - struct arb_vp_machine *m; - const GLuint size = VB->Size; - GLuint i; - - stage->privatePtr = _mesa_malloc(sizeof(*m)); - m = ARB_VP_MACHINE(stage); - if (!m) - return GL_FALSE; - - /* arb_vertex_machine struct should subsume the VB: - */ - m->VB = VB; - m->ctx = ctx; - - m->File[0] = ALIGN_MALLOC(REG_MAX * sizeof(GLfloat) * 4, 16); - - /* Initialize regs where necessary: - */ - ASSIGN_4V(m->File[0][REG_ID], 0, 0, 0, 1); - ASSIGN_4V(m->File[0][REG_ONES], 1, 1, 1, 1); - ASSIGN_4V(m->File[0][REG_SWZ], -1, 1, 0, 0); - ASSIGN_4V(m->File[0][REG_NEG], -1, -1, -1, -1); - ASSIGN_4V(m->File[0][REG_LIT], 1, 0, 0, 1); - ASSIGN_4V(m->File[0][REG_LIT2], 1, .5, .2, 1); /* debug value */ - - if (_mesa_getenv("MESA_EXPERIMENTAL")) - m->try_codegen = 1; - - /* Allocate arrays of vertex output values */ - for (i = 0; i < VERT_RESULT_MAX; i++) { - _mesa_vector4f_alloc( &m->attribs[i], 0, size, 32 ); - m->attribs[i].size = 4; - } - - /* a few other misc allocations */ - _mesa_vector4f_alloc( &m->ndcCoords, 0, size, 32 ); - m->clipmask = (GLubyte *) ALIGN_MALLOC(sizeof(GLubyte)*size, 32 ); - - if (ctx->_MaintainTnlProgram) - _mesa_allow_light_in_model( ctx, GL_FALSE ); - - m->fpucntl_rnd_neg = RND_NEG_FPU; /* const value */ - m->fpucntl_restore = RESTORE_FPU; /* const value */ - - return GL_TRUE; -} - - - - -/** - * Destructor for this pipeline stage. - */ -static void dtr( struct tnl_pipeline_stage *stage ) -{ - struct arb_vp_machine *m = ARB_VP_MACHINE(stage); - - if (m) { - GLuint i; - - /* free the vertex program result arrays */ - for (i = 0; i < VERT_RESULT_MAX; i++) - _mesa_vector4f_free( &m->attribs[i] ); - - /* free misc arrays */ - _mesa_vector4f_free( &m->ndcCoords ); - ALIGN_FREE( m->clipmask ); - ALIGN_FREE( m->File[0] ); - - _mesa_free( m ); - stage->privatePtr = NULL; - } -} - -/** - * Public description of this pipeline stage. - */ -const struct tnl_pipeline_stage _tnl_arb_vertex_program_stage = -{ - "vertex-program", - NULL, /* private_data */ - init_vertex_program, /* create */ - dtr, /* destroy */ - validate_vertex_program, /* validate */ - run_arb_vertex_program /* run */ -}; - - -/** - * Called via ctx->Driver.ProgramStringNotify() after a new vertex program - * string has been parsed. - */ -void -_tnl_program_string(GLcontext *ctx, GLenum target, struct program *program) -{ - if (program->Target == GL_VERTEX_PROGRAM_ARB) { - /* free any existing tnl data hanging off the program */ - struct vertex_program *vprog = (struct vertex_program *) program; - if (vprog->TnlData) { - free_tnl_data(vprog); - } - } -} |