X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_atom_shader.c;h=c311d04393107efa4ee882c7af49170e084ed44c;hb=3f9e78ac390a095d42f94b8edc02016f18b255dd;hp=09baff875bc1e7f9d58877935a89a52091be18ce;hpb=b5e256c76dea2182c82af2a4f66224735701d55a;p=mesa.git diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c index 09baff875bc..c311d043931 100644 --- a/src/mesa/state_tracker/st_atom_shader.c +++ b/src/mesa/state_tracker/st_atom_shader.c @@ -35,15 +35,11 @@ * Brian Paul */ - - #include "main/imports.h" #include "main/mtypes.h" -#include "main/macros.h" -#include "shader/program.h" +#include "program/program.h" #include "pipe/p_context.h" -#include "pipe/p_shader_tokens.h" #include "util/u_simple_shaders.h" @@ -52,100 +48,12 @@ #include "st_context.h" #include "st_atom.h" #include "st_program.h" -#include "st_atom_shader.h" -#include "st_mesa_to_tgsi.h" - - - - - -/* - * Translate fragment program if needed. - */ -static void -translate_fp(struct st_context *st, - struct st_fragment_program *stfp) -{ - const GLbitfield fragInputsRead = stfp->Base.Base.InputsRead; - - if (!stfp->state.tokens) { - GLuint inAttr, numIn = 0; - - for (inAttr = 0; inAttr < FRAG_ATTRIB_MAX; inAttr++) { - if (fragInputsRead & (1 << inAttr)) { - stfp->input_to_slot[inAttr] = numIn; - numIn++; - } - else { - stfp->input_to_slot[inAttr] = -1; - } - } - - stfp->num_input_slots = numIn; - - assert(stfp->Base.Base.NumInstructions > 1); - - st_translate_fragment_program(st, stfp, stfp->input_to_slot); - } -} - /** - * 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. + * Return pointer to a pass-through fragment shader. + * This shader is used when a texture is missing/incomplete. */ -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); - key.dummy = 0; - - /* 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; -} - - - - static void * get_passthrough_fs(struct st_context *st) { @@ -157,16 +65,25 @@ get_passthrough_fs(struct st_context *st) return st->passthrough_fs; } + +/** + * Update fragment program state/atom. This involves translating the + * Mesa fragment program into a gallium fragment program and binding it. + */ 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); @@ -176,10 +93,12 @@ 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); } } + const struct st_tracked_state st_update_fp = { "st_update_fp", /* name */ { /* dirty */ @@ -191,11 +110,15 @@ const struct st_tracked_state st_update_fp = { - +/** + * Update vertex program state/atom. This involves translating the + * Mesa vertex program into a gallium fragment program and binding it. + */ 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 @@ -204,12 +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; } @@ -218,8 +155,44 @@ update_vp( struct st_context *st ) const struct st_tracked_state st_update_vp = { "st_update_vp", /* name */ { /* dirty */ - 0, /* mesa */ - ST_NEW_VERTEX_PROGRAM /* st */ + _NEW_POLYGON, /* mesa */ + ST_NEW_VERTEX_PROGRAM | ST_NEW_EDGEFLAGS_DATA /* st */ + }, + 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); + return; + } + + stgp = st_geometry_program(st->ctx->GeometryProgram._Current); + assert(stgp->Base.Base.Target == MESA_GEOMETRY_PROGRAM); + + 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, + 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 */ }, - update_vp /* update */ + update_gp /* update */ };