diff options
Diffstat (limited to 'src/mesa/main/ffvertex_prog.c')
| -rw-r--r-- | src/mesa/main/ffvertex_prog.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c index 82e1c4af665..43325b13529 100644 --- a/src/mesa/main/ffvertex_prog.c +++ b/src/mesa/main/ffvertex_prog.c @@ -315,12 +315,6 @@ static void make_state_key( GLcontext *ctx, struct state_key *key ) */ #define DISASSEM 0 -/* Should be tunable by the driver - do we want to do matrix - * multiplications with DP4's or with MUL/MAD's? SSE works better - * with the latter, drivers may differ. - */ -#define PREFER_DP4 1 - /* Use uregs to represent registers internally, translate to Mesa's * expected formats on emit. @@ -348,6 +342,7 @@ struct tnl_program { const struct state_key *state; struct gl_vertex_program *program; GLint max_inst; /** number of instructions allocated for program */ + GLboolean mvp_with_dp4; GLuint temp_in_use; GLuint temp_reserved; @@ -775,7 +770,7 @@ static struct ureg get_eye_position( struct tnl_program *p ) p->eye_position = reserve_temp(p); - if (PREFER_DP4) { + if (p->mvp_with_dp4) { register_matrix_param5( p, STATE_MODELVIEW_MATRIX, 0, 0, 3, 0, modelview ); @@ -881,7 +876,7 @@ static void build_hpos( struct tnl_program *p ) struct ureg hpos = register_output( p, VERT_RESULT_HPOS ); struct ureg mvp[4]; - if (PREFER_DP4) { + if (p->mvp_with_dp4) { register_matrix_param5( p, STATE_MVP_MATRIX, 0, 0, 3, 0, mvp ); emit_matrix_transform_vec4( p, hpos, mvp, pos ); @@ -1574,7 +1569,7 @@ static void build_texture_transform( struct tnl_program *p ) struct ureg in = (!is_undef(out_texgen) ? out_texgen : register_input(p, VERT_ATTRIB_TEX0+i)); - if (PREFER_DP4) { + if (p->mvp_with_dp4) { register_matrix_param5( p, STATE_TEXTURE_MATRIX, i, 0, 3, 0, texmat ); emit_matrix_transform_vec4( p, out, texmat, in ); @@ -1708,6 +1703,7 @@ static void build_tnl_program( struct tnl_program *p ) static void create_new_program( const struct state_key *key, struct gl_vertex_program *program, + GLboolean mvp_with_dp4, GLuint max_temps) { struct tnl_program p; @@ -1721,6 +1717,7 @@ create_new_program( const struct state_key *key, p.transformed_normal = undef; p.identity = undef; p.temp_in_use = 0; + p.mvp_with_dp4 = mvp_with_dp4; if (max_temps >= sizeof(int) * 8) p.temp_reserved = 0; @@ -1776,6 +1773,7 @@ _mesa_get_fixed_func_vertex_program(GLcontext *ctx) return NULL; create_new_program( &key, prog, + ctx->mvp_with_dp4, ctx->Const.VertexProgram.MaxTemps ); #if 0 |