diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/tnl/t_vb_arbprogram.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/mesa/tnl/t_vb_arbprogram.c b/src/mesa/tnl/t_vb_arbprogram.c index 79baa3728a..cb7639c33d 100644 --- a/src/mesa/tnl/t_vb_arbprogram.c +++ b/src/mesa/tnl/t_vb_arbprogram.c @@ -42,7 +42,9 @@ #include "t_pipeline.h" #include "t_vp_build.h" - +/* Define to see the compiled program on stderr: + */ +#define DISASSEM 0 /* New, internal instructions: @@ -193,8 +195,6 @@ struct arb_vp_machine { GLint AddressReg; union instruction store[1024]; -/* GLuint store_size; */ - union instruction *instructions; GLint nr_instructions; @@ -489,6 +489,21 @@ static void do_DP3( struct arb_vp_machine *m, union instruction op ) PUFF(result); } +#if 0 +static void do_MAT4( struct arb_vp_machine *m, union instruction op ) +{ + GLfloat *result = m->reg[op.scl.dst]; + const GLfloat *arg0 = m->reg[op.scl.arg0]; + const GLfloat *mat[] = m->reg[op.scl.arg1]; + + result[0] = (arg0[0] * mat0[0] + arg0[1] * mat0[1] + arg0[2] * mat0[2] + arg0[3] * mat0[3]); + result[1] = (arg0[0] * mat1[0] + arg0[1] * mat1[1] + arg0[2] * mat1[2] + arg0[3] * mat1[3]); + result[2] = (arg0[0] * mat2[0] + arg0[1] * mat2[1] + arg0[2] * mat2[2] + arg0[3] * mat2[3]); + result[3] = (arg0[0] * mat3[0] + arg0[1] * mat3[1] + arg0[2] * mat3[2] + arg0[3] * mat3[3]); +} +#endif + + static void do_DP4( struct arb_vp_machine *m, union instruction op ) { GLfloat *result = m->reg[op.scl.dst]; @@ -546,8 +561,8 @@ static void do_EXP( struct arb_vp_machine *m, union instruction op ) GLfloat tmp = arg0[0]; GLfloat flr_tmp = FLOORF(tmp); - /* KW: previous definition of this instruction was really messed - * up... Maybe the nv instruction is quite different? + /* KW: nvvertexec has an optimized version of this which is pretty + * hard to understand/validate, but avoids the RoughApproxPow2. */ result[0] = (GLfloat) (1 << (int)flr_tmp); result[1] = tmp - flr_tmp; @@ -1236,7 +1251,7 @@ static void compile_vertex_program( struct arb_vp_machine *m, /* Print/disassemble: */ - if (0) { + if (DISASSEM) { for (i = 0; i < m->nr_instructions; i++) { union instruction insn = m->instructions[i]; const struct opcode_info *info = &opcode_info[insn.vec.opcode]; |