From 46021ace514cf2ba91733dfcfd258073b90c0354 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Mon, 5 Oct 2015 02:47:37 +0200 Subject: [PATCH] st/mesa: translate vertex shaders into TGSI when we get them The translate functions is split into two: - translation to TGSI - creating the variant (TGSI transformations only) Reviewed-by: Dave Airlie Reviewed-by: Brian Paul Tested-by: Brian Paul --- src/mesa/state_tracker/st_cb_program.c | 4 +- src/mesa/state_tracker/st_program.c | 72 +++++++++++++++++----------------- src/mesa/state_tracker/st_program.h | 4 ++ 3 files changed, 44 insertions(+), 36 deletions(-) diff --git a/src/mesa/state_tracker/st_cb_program.c b/src/mesa/state_tracker/st_cb_program.c index 3029909..745b447 100644 --- a/src/mesa/state_tracker/st_cb_program.c +++ b/src/mesa/state_tracker/st_cb_program.c @@ -249,7 +249,9 @@ st_program_string_notify( struct gl_context *ctx, else if (target == GL_VERTEX_PROGRAM_ARB) { struct st_vertex_program *stvp = (struct st_vertex_program *) prog; - st_release_vp_variants( st, stvp ); + st_release_vp_variants(st, stvp); + if (!st_translate_vertex_program(st, stvp)) + return false; if (st->vp == stvp) st->dirty.st |= ST_NEW_VERTEX_PROGRAM; diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index 95ad2f4..4bdbf85 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -94,6 +94,11 @@ st_release_vp_variants( struct st_context *st, } stvp->variants = NULL; + + if (stvp->tgsi.tokens) { + tgsi_free_tokens(stvp->tgsi.tokens); + stvp->tgsi.tokens = NULL; + } } @@ -230,15 +235,12 @@ st_release_tep_variants(struct st_context *st, struct st_tesseval_program *sttep /** - * Translate a vertex program to create a new variant. + * Translate a vertex program. */ -static struct st_vp_variant * +bool st_translate_vertex_program(struct st_context *st, - struct st_vertex_program *stvp, - const struct st_vp_variant_key *key) + struct st_vertex_program *stvp) { - struct st_vp_variant *vpv = CALLOC_STRUCT(st_vp_variant); - struct pipe_context *pipe = st->pipe; struct ureg_program *ureg; enum pipe_error error; unsigned num_outputs = 0; @@ -372,12 +374,8 @@ st_translate_vertex_program(struct st_context *st, _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_OUTPUT); ureg = ureg_create_with_screen(TGSI_PROCESSOR_VERTEX, st->pipe->screen); - if (ureg == NULL) { - free(vpv); - return NULL; - } - - vpv->key = *key; + if (ureg == NULL) + return false; if (ST_DEBUG & DEBUG_MESA) { _mesa_print_program(&stvp->Base.Base); @@ -385,7 +383,7 @@ st_translate_vertex_program(struct st_context *st, debug_printf("\n"); } - if (stvp->glsl_to_tgsi) + if (stvp->glsl_to_tgsi) { error = st_translate_program(st->ctx, TGSI_PROCESSOR_VERTEX, ureg, @@ -405,7 +403,11 @@ st_translate_vertex_program(struct st_context *st, output_slot_to_attr, output_semantic_name, output_semantic_index); - else + + st_translate_stream_output_info(stvp->glsl_to_tgsi, + stvp->result_to_output, + &stvp->tgsi.stream_output); + } else error = st_translate_mesa_program(st->ctx, TGSI_PROCESSOR_VERTEX, ureg, @@ -422,21 +424,29 @@ st_translate_vertex_program(struct st_context *st, output_semantic_name, output_semantic_index); - if (error) - goto fail; - - vpv->tgsi.tokens = ureg_get_tokens( ureg, NULL ); - if (!vpv->tgsi.tokens) - goto fail; + if (error) { + debug_printf("%s: failed to translate Mesa program:\n", __func__); + _mesa_print_program(&stvp->Base.Base); + debug_assert(0); + return false; + } - ureg_destroy( ureg ); + stvp->tgsi.tokens = ureg_get_tokens(ureg, NULL); + ureg_destroy(ureg); + return stvp->tgsi.tokens != NULL; +} - if (stvp->glsl_to_tgsi) { - st_translate_stream_output_info(stvp->glsl_to_tgsi, - stvp->result_to_output, - &vpv->tgsi.stream_output); - } +static struct st_vp_variant * +st_create_vp_variant(struct st_context *st, + struct st_vertex_program *stvp, + const struct st_vp_variant_key *key) +{ + struct st_vp_variant *vpv = CALLOC_STRUCT(st_vp_variant); + struct pipe_context *pipe = st->pipe; + vpv->key = *key; + vpv->tgsi.tokens = tgsi_dup_tokens(stvp->tgsi.tokens); + vpv->tgsi.stream_output = stvp->tgsi.stream_output; vpv->num_inputs = stvp->num_inputs; /* Emulate features. */ @@ -465,14 +475,6 @@ st_translate_vertex_program(struct st_context *st, vpv->driver_shader = pipe->create_vs_state(pipe, &vpv->tgsi); return vpv; - -fail: - debug_printf("%s: failed to translate Mesa program:\n", __func__); - _mesa_print_program(&stvp->Base.Base); - debug_assert(0); - - ureg_destroy( ureg ); - return NULL; } @@ -495,7 +497,7 @@ st_get_vp_variant(struct st_context *st, if (!vpv) { /* create now */ - vpv = st_translate_vertex_program(st, stvp, key); + vpv = st_create_vp_variant(st, stvp, key); if (vpv) { /* insert into list */ vpv->next = stvp->variants; diff --git a/src/mesa/state_tracker/st_program.h b/src/mesa/state_tracker/st_program.h index 33d39f0..6f4a6a1 100644 --- a/src/mesa/state_tracker/st_program.h +++ b/src/mesa/state_tracker/st_program.h @@ -155,6 +155,7 @@ struct st_vp_variant struct st_vertex_program { struct gl_vertex_program Base; /**< The Mesa vertex program */ + struct pipe_shader_state tgsi; struct glsl_to_tgsi_visitor* glsl_to_tgsi; /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */ @@ -434,6 +435,9 @@ st_release_tep_variants(struct st_context *st, extern void st_destroy_program_variants(struct st_context *st); +extern bool +st_translate_vertex_program(struct st_context *st, + struct st_vertex_program *stvp); extern void st_print_current_vertex_program(void); -- 2.7.4