diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/ffvertex_prog.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c index a627a21f650..a790d4b1427 100644 --- a/src/mesa/main/ffvertex_prog.c +++ b/src/mesa/main/ffvertex_prog.c @@ -305,7 +305,7 @@ static struct state_key *make_state_key( GLcontext *ctx ) * generated program with line/function references for each * instruction back into this file: */ -#define DISASSEM (MESA_VERBOSE&VERBOSE_DISASSEM) +#define DISASSEM 1 /* Should be tunable by the driver - do we want to do matrix * multiplications with DP4's or with MUL/MAD's? SSE works better @@ -344,6 +344,7 @@ struct tnl_program { GLuint temp_reserved; struct ureg eye_position; + struct ureg eye_position_z; struct ureg eye_position_normalized; struct ureg transformed_normal; struct ureg identity; @@ -728,6 +729,28 @@ static struct ureg get_eye_position( struct tnl_program *p ) } +static struct ureg get_eye_position_z( struct tnl_program *p ) +{ + if (!is_undef(p->eye_position)) + return swizzle1(p->eye_position, Z); + + if (is_undef(p->eye_position_z)) { + struct ureg pos = register_input( p, VERT_ATTRIB_POS ); + struct ureg modelview[4]; + + p->eye_position_z = reserve_temp(p); + + register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 3, + 0, modelview ); + + emit_op2(p, OPCODE_DP4, p->eye_position_z, 0, pos, modelview[2]); + } + + return p->eye_position_z; +} + + + static struct ureg get_eye_position_normalized( struct tnl_program *p ) { if (is_undef(p->eye_position_normalized)) { @@ -1240,7 +1263,7 @@ static void build_fog( struct tnl_program *p ) struct ureg input; if (p->state->fog_source_is_depth) { - input = swizzle1(get_eye_position(p), Z); + input = get_eye_position_z(p); } else { input = swizzle1(register_input(p, VERT_ATTRIB_FOG), X); @@ -1470,7 +1493,7 @@ static void build_texture_transform( struct tnl_program *p ) static void build_pointsize( struct tnl_program *p ) { - struct ureg eye = get_eye_position(p); + struct ureg eye = get_eye_position_z(p); struct ureg state_size = register_param1(p, STATE_POINT_SIZE); struct ureg state_attenuation = register_param1(p, STATE_POINT_ATTENUATION); struct ureg out = register_output(p, VERT_RESULT_PSIZ); @@ -1568,6 +1591,7 @@ create_new_program( const struct state_key *key, p.state = key; p.program = program; p.eye_position = undef; + p.eye_position_z = undef; p.eye_position_normalized = undef; p.transformed_normal = undef; p.identity = undef; |