diff options
Diffstat (limited to 'src/mesa/state_tracker/st_atom_shader.c')
| -rw-r--r-- | src/mesa/state_tracker/st_atom_shader.c | 145 |
1 files changed, 39 insertions, 106 deletions
diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c index 05442ef91b..c311d04393 100644 --- a/src/mesa/state_tracker/st_atom_shader.c +++ b/src/mesa/state_tracker/st_atom_shader.c @@ -50,99 +50,6 @@ #include "st_program.h" - -/** - * Translate fragment program if needed. - */ -static void -translate_fp(struct st_context *st, - struct st_fragment_program *stfp) -{ - if (!stfp->tgsi.tokens) { - assert(stfp->Base.Base.NumInstructions > 0); - - st_translate_fragment_program(st, stfp); - } -} - -/* - * Translate geometry program if needed. - */ -static void -translate_gp(struct st_context *st, - struct st_geometry_program *stgp) -{ - if (!stgp->tgsi.tokens) { - assert(stgp->Base.Base.NumInstructions > 1); - - st_translate_geometry_program(st, stgp); - } -} - -/** - * Find a translated vertex program that corresponds to stvp and - * has outputs matched to stfp's inputs. - * This performs vertex and fragment translation (to TGSI) when needed. - */ -static struct st_vp_varient * -find_translated_vp(struct st_context *st, - struct st_vertex_program *stvp ) -{ - struct st_vp_varient *vpv; - struct st_vp_varient_key key; - - /* Nothing in our key yet. This will change: - */ - memset(&key, 0, sizeof key); - - /* When this is true, we will add an extra input to the vertex - * shader translation (for edgeflags), an extra output with - * edgeflag semantics, and extend the vertex shader to pass through - * the input to the output. We'll need to use similar logic to set - * up the extra vertex_element input for edgeflags. - * _NEW_POLYGON, ST_NEW_EDGEFLAGS_DATA - */ - key.passthrough_edgeflags = (st->vertdata_edgeflags && ( - st->ctx->Polygon.FrontMode != GL_FILL || - st->ctx->Polygon.BackMode != GL_FILL)); - - - /* Do we need to throw away old translations after a change in the - * GL program string? - */ - if (stvp->serialNo != stvp->lastSerialNo) { - /* These may have changed if the program string changed. - */ - st_prepare_vertex_program( st, stvp ); - - /* We are now up-to-date: - */ - stvp->lastSerialNo = stvp->serialNo; - } - - /* See if we've got a translated vertex program whose outputs match - * the fragment program's inputs. - */ - for (vpv = stvp->varients; vpv; vpv = vpv->next) { - if (memcmp(&vpv->key, &key, sizeof key) == 0) { - break; - } - } - - /* No? Perform new translation here. */ - if (!vpv) { - vpv = st_translate_vertex_program(st, stvp, &key); - if (!vpv) - return NULL; - - vpv->next = stvp->varients; - stvp->varients = vpv; - } - - return vpv; -} - - /** * Return pointer to a pass-through fragment shader. * This shader is used when a texture is missing/incomplete. @@ -167,12 +74,16 @@ static void update_fp( struct st_context *st ) { struct st_fragment_program *stfp; + struct st_fp_variant_key key; assert(st->ctx->FragmentProgram._Current); stfp = st_fragment_program(st->ctx->FragmentProgram._Current); assert(stfp->Base.Base.Target == GL_FRAGMENT_PROGRAM_ARB); - translate_fp(st, stfp); + memset(&key, 0, sizeof(key)); + key.st = st; + + st->fp_variant = st_get_fp_variant(st, stfp, &key); st_reference_fragprog(st, &st->fp, stfp); @@ -182,7 +93,8 @@ update_fp( struct st_context *st ) cso_set_fragment_shader_handle(st->cso_context, fs); } else { - cso_set_fragment_shader_handle(st->cso_context, stfp->driver_shader); + cso_set_fragment_shader_handle(st->cso_context, + st->fp_variant->driver_shader); } } @@ -206,6 +118,7 @@ static void update_vp( struct st_context *st ) { struct st_vertex_program *stvp; + struct st_vp_variant_key key; /* find active shader and params -- Should be covered by * ST_NEW_VERTEX_PROGRAM @@ -214,12 +127,26 @@ update_vp( struct st_context *st ) stvp = st_vertex_program(st->ctx->VertexProgram._Current); assert(stvp->Base.Base.Target == GL_VERTEX_PROGRAM_ARB); - st->vp_varient = find_translated_vp(st, stvp); + memset(&key, 0, sizeof key); + key.st = st; /* variants are per-context */ + + /* When this is true, we will add an extra input to the vertex + * shader translation (for edgeflags), an extra output with + * edgeflag semantics, and extend the vertex shader to pass through + * the input to the output. We'll need to use similar logic to set + * up the extra vertex_element input for edgeflags. + * _NEW_POLYGON, ST_NEW_EDGEFLAGS_DATA + */ + key.passthrough_edgeflags = (st->vertdata_edgeflags && ( + st->ctx->Polygon.FrontMode != GL_FILL || + st->ctx->Polygon.BackMode != GL_FILL)); + + st->vp_variant = st_get_vp_variant(st, stvp, &key); st_reference_vertprog(st, &st->vp, stvp); cso_set_vertex_shader_handle(st->cso_context, - st->vp_varient->driver_shader); + st->vp_variant->driver_shader); st->vertex_result_to_slot = stvp->result_to_output; } @@ -231,14 +158,16 @@ const struct st_tracked_state st_update_vp = { _NEW_POLYGON, /* mesa */ ST_NEW_VERTEX_PROGRAM | ST_NEW_EDGEFLAGS_DATA /* st */ }, - update_vp /* update */ + update_vp /* update */ }; + + static void update_gp( struct st_context *st ) { - struct st_geometry_program *stgp; + struct st_gp_variant_key key; if (!st->ctx->GeometryProgram._Current) { cso_set_geometry_shader_handle(st->cso_context, NULL); @@ -248,18 +177,22 @@ update_gp( struct st_context *st ) stgp = st_geometry_program(st->ctx->GeometryProgram._Current); assert(stgp->Base.Base.Target == MESA_GEOMETRY_PROGRAM); - translate_gp(st, stgp); + memset(&key, 0, sizeof(key)); + key.st = st; + + st->gp_variant = st_get_gp_variant(st, stgp, &key); st_reference_geomprog(st, &st->gp, stgp); - cso_set_geometry_shader_handle(st->cso_context, stgp->driver_shader); + cso_set_geometry_shader_handle(st->cso_context, + st->gp_variant->driver_shader); } const struct st_tracked_state st_update_gp = { - "st_update_gp", /* name */ - { /* dirty */ - 0, /* mesa */ - ST_NEW_GEOMETRY_PROGRAM /* st */ + "st_update_gp", /* name */ + { /* dirty */ + 0, /* mesa */ + ST_NEW_GEOMETRY_PROGRAM /* st */ }, - update_gp /* update */ + update_gp /* update */ }; |