From da45890818ab5ae94592208e3581b5c2febaa6b4 Mon Sep 17 00:00:00 2001 From: Brian Date: Fri, 21 Sep 2007 12:06:08 -0600 Subject: Fix up some point size breakage. Start on fogcoord too. --- src/mesa/pipe/softpipe/sp_prim_setup.c | 4 +- src/mesa/pipe/softpipe/sp_state_derived.c | 62 +++++++++++++++++++++---------- src/mesa/pipe/tgsi/exec/tgsi_token.h | 5 ++- src/mesa/state_tracker/st_atom_fs.c | 4 +- src/mesa/state_tracker/st_atom_vs.c | 10 +++++ src/mesa/state_tracker/st_cb_rasterpos.c | 3 ++ 6 files changed, 63 insertions(+), 25 deletions(-) diff --git a/src/mesa/pipe/softpipe/sp_prim_setup.c b/src/mesa/pipe/softpipe/sp_prim_setup.c index f0f9cf54bd..6d63cc9412 100644 --- a/src/mesa/pipe/softpipe/sp_prim_setup.c +++ b/src/mesa/pipe/softpipe/sp_prim_setup.c @@ -907,15 +907,13 @@ setup_point(struct draw_stage *stage, struct prim_header *prim) const struct vertex_header *v0 = prim->v[0]; const int sizeAttr = setup->softpipe->psize_slot; const float halfSize - = sizeAttr ? (0.5f * v0->data[sizeAttr][0]) + = sizeAttr > 0 ? (0.5f * v0->data[sizeAttr][0]) : (0.5f * setup->softpipe->rasterizer->point_size); const boolean round = setup->softpipe->rasterizer->point_smooth; const float x = v0->data[0][0]; /* Note: data[0] is always position */ const float y = v0->data[0][1]; unsigned slot, j; - assert(sizeAttr >= 0); - /* For points, all interpolants are constant-valued. * However, for point sprites, we'll need to setup texcoords appropriately. * XXX: which coefficients are the texcoords??? diff --git a/src/mesa/pipe/softpipe/sp_state_derived.c b/src/mesa/pipe/softpipe/sp_state_derived.c index 0e78209e30..35ba32cd81 100644 --- a/src/mesa/pipe/softpipe/sp_state_derived.c +++ b/src/mesa/pipe/softpipe/sp_state_derived.c @@ -43,6 +43,7 @@ */ static void calculate_vertex_layout( struct softpipe_context *softpipe ) { + const struct pipe_shader_state *vs = softpipe->vs; const struct pipe_shader_state *fs = softpipe->fs; const interp_mode colorInterp = softpipe->rasterizer->flatshade ? INTERP_CONSTANT : INTERP_LINEAR; @@ -58,47 +59,68 @@ static void calculate_vertex_layout( struct softpipe_context *softpipe ) softpipe->need_z = FALSE; softpipe->need_w = FALSE; + if (fs->input_semantic_name[0] == TGSI_SEMANTIC_POSITION) { + /* Need Z if depth test is enabled or the fragment program uses the + * fragment position (XYZW). + */ + softpipe->need_z = TRUE; + softpipe->need_w = TRUE; + } + softpipe->psize_slot = -1; /* always emit vertex pos */ - /* TODO - Figure out if we need to do perspective divide, etc. */ draw_emit_vertex_attr(vinfo, FORMAT_4F, INTERP_LINEAR); - for (i = 0; i < fs->num_inputs; i++) { - switch (fs->input_semantic_name[i]) { + /* + * XXX I think we need to reconcile the vertex shader outputs with + * the fragment shader inputs here to make sure the slots line up. + * Might just be getting lucky so far. + * Or maybe do that in the state tracker? + */ + + for (i = 0; i < vs->num_outputs; i++) { + switch (vs->output_semantic_name[i]) { + case TGSI_SEMANTIC_POSITION: - /* Need Z if depth test is enabled or the fragment program uses the - * fragment position (XYZW). + /* vertex programs always emit position, but might not be + * needed for fragment progs. */ - softpipe->need_z = TRUE; - softpipe->need_w = TRUE; + /* no-op */ break; + case TGSI_SEMANTIC_COLOR: if (fs->input_semantic_index[i] == 0) { - front0 = draw_emit_vertex_attr(vinfo, - FORMAT_4F, colorInterp); + front0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp); + } + else { + assert(fs->input_semantic_index[i] == 1); + front1 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp); + } + break; + + case TGSI_SEMANTIC_BCOLOR: + if (fs->input_semantic_index[i] == 0) { + back0 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp); } else { assert(fs->input_semantic_index[i] == 1); - front1 = draw_emit_vertex_attr(vinfo, - FORMAT_4F, colorInterp); + back1 = draw_emit_vertex_attr(vinfo, FORMAT_4F, colorInterp); } break; + case TGSI_SEMANTIC_FOG: - draw_emit_vertex_attr(vinfo, - FORMAT_1F, INTERP_PERSPECTIVE); + draw_emit_vertex_attr(vinfo, FORMAT_1F, INTERP_PERSPECTIVE); break; -#if 0 + case TGSI_SEMANTIC_PSIZE: /* XXX only emit if drawing points or front/back polygon mode * is point mode */ - draw_emit_vertex_attr(vinfo, - FORMAT_4F, INTERP_CONSTANT); - break; -#endif + draw_emit_vertex_attr(vinfo, FORMAT_1F, INTERP_CONSTANT); softpipe->psize_slot = i; - /*case TGSI_SEMANTIC_TEXCOORD:*/ + break; + case TGSI_SEMANTIC_GENERIC: /* this includes texcoords and varying vars */ draw_emit_vertex_attr(vinfo, FORMAT_4F, INTERP_PERSPECTIVE); @@ -112,6 +134,7 @@ static void calculate_vertex_layout( struct softpipe_context *softpipe ) softpipe->nr_frag_attrs = vinfo->num_attribs; +#if 0 /* Additional attributes required for setup: Just twosided * lighting. Edgeflag is dealt with specially by setting bits in * the vertex header. @@ -124,6 +147,7 @@ static void calculate_vertex_layout( struct softpipe_context *softpipe ) back1 = draw_emit_vertex_attr(vinfo, FORMAT_OMIT, colorInterp); } } +#endif /* If the attributes have changed, tell the draw module about * the new vertex layout. diff --git a/src/mesa/pipe/tgsi/exec/tgsi_token.h b/src/mesa/pipe/tgsi/exec/tgsi_token.h index e6f884c5cf..1d99a50dde 100644 --- a/src/mesa/pipe/tgsi/exec/tgsi_token.h +++ b/src/mesa/pipe/tgsi/exec/tgsi_token.h @@ -107,8 +107,9 @@ struct tgsi_declaration_interpolation #define TGSI_SEMANTIC_COLOR 1 #define TGSI_SEMANTIC_BCOLOR 2 /**< back-face color */ #define TGSI_SEMANTIC_FOG 3 -#define TGSI_SEMANTIC_GENERIC 4 -#define TGSI_SEMANTIC_COUNT 5 /**< number of semantic values */ +#define TGSI_SEMANTIC_PSIZE 4 +#define TGSI_SEMANTIC_GENERIC 5 +#define TGSI_SEMANTIC_COUNT 6 /**< number of semantic values */ struct tgsi_declaration_semantic { diff --git a/src/mesa/state_tracker/st_atom_fs.c b/src/mesa/state_tracker/st_atom_fs.c index 1e7886a469..f8a1dc83cf 100644 --- a/src/mesa/state_tracker/st_atom_fs.c +++ b/src/mesa/state_tracker/st_atom_fs.c @@ -95,7 +95,9 @@ st_translate_fragment_shader(struct st_context *st, interpMode[fs.num_inputs] = TGSI_INTERPOLATE_LINEAR; break; case FRAG_ATTRIB_FOGC: - assert(0); + fs.input_semantic_name[fs.num_inputs] = TGSI_SEMANTIC_FOG; + fs.input_semantic_index[fs.num_inputs] = 0; + interpMode[fs.num_inputs] = TGSI_INTERPOLATE_PERSPECTIVE; break; case FRAG_ATTRIB_TEX0: case FRAG_ATTRIB_TEX1: diff --git a/src/mesa/state_tracker/st_atom_vs.c b/src/mesa/state_tracker/st_atom_vs.c index e4e9902e65..ae51e9764b 100644 --- a/src/mesa/state_tracker/st_atom_vs.c +++ b/src/mesa/state_tracker/st_atom_vs.c @@ -91,6 +91,10 @@ st_translate_vertex_shader(struct st_context *st, vs.input_semantic_name[vs.num_inputs] = TGSI_SEMANTIC_COLOR; vs.input_semantic_index[vs.num_inputs] = 1; break; + case VERT_ATTRIB_FOG: + vs.input_semantic_name[vs.num_inputs] = TGSI_SEMANTIC_FOG; + vs.input_semantic_index[vs.num_inputs] = 0; + break; case VERT_ATTRIB_TEX0: case VERT_ATTRIB_TEX1: case VERT_ATTRIB_TEX2: @@ -152,7 +156,13 @@ st_translate_vertex_shader(struct st_context *st, vs.output_semantic_index[vs.num_outputs] = 1; break; case VERT_RESULT_FOGC: + vs.output_semantic_name[vs.num_outputs] = TGSI_SEMANTIC_FOG; + vs.output_semantic_index[vs.num_outputs] = 0; + break; case VERT_RESULT_PSIZ: + vs.output_semantic_name[vs.num_outputs] = TGSI_SEMANTIC_PSIZE; + vs.output_semantic_index[vs.num_outputs] = 0; + break; case VERT_RESULT_EDGE: assert(0); break; diff --git a/src/mesa/state_tracker/st_cb_rasterpos.c b/src/mesa/state_tracker/st_cb_rasterpos.c index 56c98916ed..2311bddc65 100644 --- a/src/mesa/state_tracker/st_cb_rasterpos.c +++ b/src/mesa/state_tracker/st_cb_rasterpos.c @@ -265,6 +265,9 @@ st_RasterPos(GLcontext *ctx, const GLfloat v[4]) float *buf_map; struct pipe_feedback_buffer fb_buf; + /** XXX TEMPORARILY DISABLE */ + return; + st_validate_state(ctx->st); /* setup vertex buffers */ -- cgit v1.2.3