diff options
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r-- | src/mesa/state_tracker/st_mesa_to_tgsi.c | 116 |
1 files changed, 61 insertions, 55 deletions
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c index 621159eb85..cb0c96169e 100644 --- a/src/mesa/state_tracker/st_mesa_to_tgsi.c +++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c @@ -572,34 +572,36 @@ make_output_decl( return decl;
}
-
-
-static struct tgsi_full_declaration
-make_temp_decl(GLuint index)
-{
- struct tgsi_full_declaration decl;
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_TEMPORARY;
- decl.Declaration.Declare = TGSI_DECLARE_RANGE;
- decl.u.DeclarationRange.First = index;
- decl.u.DeclarationRange.Last = index;
- return decl;
-}
-
+ + +static struct tgsi_full_declaration +make_temp_decl( + GLuint start_index, + GLuint end_index ) +{ + struct tgsi_full_declaration decl; + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_TEMPORARY; + decl.Declaration.Declare = TGSI_DECLARE_RANGE; + decl.u.DeclarationRange.First = start_index; + decl.u.DeclarationRange.Last = end_index; + return decl; +} + /**
* Find the temporaries which are used in the given program.
- * Put the indices of the temporaries in 'tempsUsed'.
- * \return number of temporaries used
- */
-static GLuint
-find_temporaries(const struct gl_program *program,
- GLuint tempsUsed[MAX_PROGRAM_TEMPS])
-{
- GLuint i, j, count;
-
- for (i = 0; i < MAX_PROGRAM_TEMPS; i++)
- tempsUsed[i] = GL_FALSE;
+ * Put the indices of the temporaries in 'tempsUsed'. + * \return number of temporaries used + */ +static void +find_temporaries(const struct gl_program *program, + GLboolean tempsUsed[MAX_PROGRAM_TEMPS]) +{ + GLuint i, j; + + for (i = 0; i < MAX_PROGRAM_TEMPS; i++) + tempsUsed[i] = GL_FALSE; for (i = 0; i < program->NumInstructions; i++) {
const struct prog_instruction *inst = program->Instructions + i;
@@ -608,20 +610,12 @@ find_temporaries(const struct gl_program *program, if (inst->SrcReg[j].File == PROGRAM_TEMPORARY)
tempsUsed[inst->SrcReg[j].Index] = GL_TRUE;
if (inst->DstReg.File == PROGRAM_TEMPORARY)
- tempsUsed[inst->DstReg.Index] = GL_TRUE;
- }
- }
-
- /* convert flags to list of indices */
- count = 0;
- for (i = 0; i < MAX_PROGRAM_TEMPS; i++) {
- if (tempsUsed[i])
- tempsUsed[count++] = i;
- }
- return count;
-}
-
-
+ tempsUsed[inst->DstReg.Index] = GL_TRUE; + } + } +} + + /**
@@ -781,22 +775,34 @@ tgsi_translate_mesa_program( maxTokens - ti );
}
}
-
- /* temporary decls */
- {
- GLuint tempsUsed[MAX_PROGRAM_TEMPS];
- uint numTemps = find_temporaries(program, tempsUsed);
- for (i = 0; i < numTemps; i++) {
- struct tgsi_full_declaration fulldecl;
- fulldecl = make_temp_decl(tempsUsed[i]);
- ti += tgsi_build_full_declaration(
- &fulldecl,
- &tokens[ti],
- header,
- maxTokens - ti );
- }
- }
-
+ + /* temporary decls */ + { + GLboolean tempsUsed[MAX_PROGRAM_TEMPS + 1]; + GLboolean inside_range = GL_FALSE; + GLuint start_range; + + find_temporaries(program, tempsUsed); + tempsUsed[MAX_PROGRAM_TEMPS] = GL_FALSE; + for (i = 0; i < MAX_PROGRAM_TEMPS + 1; i++) { + if (tempsUsed[i] && !inside_range) { + inside_range = GL_TRUE; + start_range = i; + } + else if (!tempsUsed[i] && inside_range) { + struct tgsi_full_declaration fulldecl; + + inside_range = GL_FALSE; + fulldecl = make_temp_decl( start_range, i - 1 ); + ti += tgsi_build_full_declaration( + &fulldecl, + &tokens[ti], + header, + maxTokens - ti ); + } + } + } + /* immediates/literals */
#if EMIT_IMMEDIATES
for (i = 0; i < program->Parameters->NumParameters; i++) {
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