fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-25 00:00:11 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Declare temporaries in a more compact fashion.

Browse source 
The following declarations:
   DCL TEMP[0]
   DCL TEMP[1]
   DCL TEMP[2]
   DCL TEMP[4]
become:
   DCL TEMP[0..2]
   DCL TEMP[4]
This commit is contained in:
michal 2007-10-28 14:42:26 +00:00 • committed by Michal Krol
parent e420e9d485
commit c5ad88e9f1
1 changed files with 61 additions and 61 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

122
src/mesa/state_tracker/st_mesa_to_tgsi.c
View file

@ -572,36 +572,36 @@ make_output_decl(
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;
}
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 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;
* 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;
@ -610,12 +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;
}
}
}
tempsUsed[inst->DstReg.Index] = GL_TRUE;
}
}
}
/**
@ -775,34 +775,34 @@ tgsi_translate_mesa_program(
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 );
}
}
}
/* 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++) {