diff options
Diffstat (limited to 'src/mesa/state_tracker/st_program.c')
| -rw-r--r-- | src/mesa/state_tracker/st_program.c | 76 |
1 files changed, 46 insertions, 30 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index 59314a32322..936a6e32ea1 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -55,7 +55,7 @@ #define TGSI_DEBUG 0 -/** XXX we should use the version of this from p_util.h but including +/** XXX we should use the version of this from u_memory.h but including * that header causes symbol collisions. */ static INLINE void * @@ -71,15 +71,17 @@ mem_dup(const void *src, uint size) /** * Translate a Mesa vertex shader into a TGSI shader. - * \param outputMapping to map vertex program output registers to TGSI - * output slots + * \param outputMapping to map vertex program output registers (VERT_RESULT_x) + * to TGSI output slots * \param tokensOut destination for TGSI tokens * \return pointer to cached pipe_shader object. */ void st_translate_vertex_program(struct st_context *st, struct st_vertex_program *stvp, - const GLuint outputMapping[]) + const GLuint outputMapping[], + const ubyte *outputSemanticName, + const ubyte *outputSemanticIndex) { struct pipe_context *pipe = st->pipe; struct tgsi_token tokens[ST_MAX_SHADER_TOKENS]; @@ -172,6 +174,20 @@ st_translate_vertex_program(struct st_context *st, } } +#if 0 + if (outputMapping && outputSemanticName) { + printf("VERT_RESULT written out_slot semantic_name semantic_index\n"); + for (attr = 0; attr < VERT_RESULT_MAX; attr++) { + printf(" %-2d %c %3d %2d %2d\n", + attr, + ((stvp->Base.Base.OutputsWritten & (1 << attr)) ? 'Y' : ' '), + outputMapping[attr], + outputSemanticName[attr], + outputSemanticIndex[attr]); + } + } +#endif + /* initialize output semantics to defaults */ for (i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) { vs_output_semantic_name[i] = TGSI_SEMANTIC_GENERIC; @@ -203,10 +219,6 @@ st_translate_vertex_program(struct st_context *st, defaultOutputMapping[attr] = slot; } - /* - printf("Output %u -> slot %u\n", attr, slot); - */ - switch (attr) { case VERT_RESULT_HPOS: assert(slot == 0); @@ -248,15 +260,21 @@ st_translate_vertex_program(struct st_context *st, case VERT_RESULT_TEX5: case VERT_RESULT_TEX6: case VERT_RESULT_TEX7: - vs_output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; - vs_output_semantic_index[slot] = num_generic++; - break; + /* fall-through */ case VERT_RESULT_VAR0: /* fall-through */ default: - assert(attr - VERT_RESULT_VAR0 < MAX_VARYING); - vs_output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; - vs_output_semantic_index[slot] = num_generic++; + if (outputSemanticName) { + /* use provided semantic into */ + assert(outputSemanticName[attr] != TGSI_SEMANTIC_COUNT); + vs_output_semantic_name[slot] = outputSemanticName[attr]; + vs_output_semantic_index[slot] = outputSemanticIndex[attr]; + } + else { + /* use default semantic info */ + vs_output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + vs_output_semantic_index[slot] = num_generic++; + } } } } @@ -347,8 +365,6 @@ st_translate_fragment_program(struct st_context *st, GLuint num_generic = 0; GLuint num_tokens; - ubyte fs_input_semantic_name[PIPE_MAX_SHADER_INPUTS]; - ubyte fs_input_semantic_index[PIPE_MAX_SHADER_INPUTS]; uint fs_num_inputs = 0; ubyte fs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; @@ -378,23 +394,23 @@ st_translate_fragment_program(struct st_context *st, switch (attr) { case FRAG_ATTRIB_WPOS: - fs_input_semantic_name[slot] = TGSI_SEMANTIC_POSITION; - fs_input_semantic_index[slot] = 0; + stfp->input_semantic_name[slot] = TGSI_SEMANTIC_POSITION; + stfp->input_semantic_index[slot] = 0; interpMode[slot] = TGSI_INTERPOLATE_LINEAR; break; case FRAG_ATTRIB_COL0: - fs_input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; - fs_input_semantic_index[slot] = 0; + stfp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + stfp->input_semantic_index[slot] = 0; interpMode[slot] = TGSI_INTERPOLATE_LINEAR; break; case FRAG_ATTRIB_COL1: - fs_input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; - fs_input_semantic_index[slot] = 1; + stfp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + stfp->input_semantic_index[slot] = 1; interpMode[slot] = TGSI_INTERPOLATE_LINEAR; break; case FRAG_ATTRIB_FOGC: - fs_input_semantic_name[slot] = TGSI_SEMANTIC_FOG; - fs_input_semantic_index[slot] = 0; + stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG; + stfp->input_semantic_index[slot] = 0; interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; break; case FRAG_ATTRIB_TEX0: @@ -405,15 +421,15 @@ st_translate_fragment_program(struct st_context *st, case FRAG_ATTRIB_TEX5: case FRAG_ATTRIB_TEX6: case FRAG_ATTRIB_TEX7: - fs_input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; - fs_input_semantic_index[slot] = num_generic++; + stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + stfp->input_semantic_index[slot] = num_generic++; interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; break; case FRAG_ATTRIB_VAR0: /* fall-through */ default: - fs_input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; - fs_input_semantic_index[slot] = num_generic++; + stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + stfp->input_semantic_index[slot] = num_generic++; interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; } } @@ -467,8 +483,8 @@ st_translate_fragment_program(struct st_context *st, /* inputs */ fs_num_inputs, inputMapping, - fs_input_semantic_name, - fs_input_semantic_index, + stfp->input_semantic_name, + stfp->input_semantic_index, interpMode, /* outputs */ fs_num_outputs, |