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mesa: pass shader centroid/invariant info through to the TGSI shader

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This commit is contained in:
Brian Paul
2008-11-24 14:36:00 -07:00
parent 77762801bc
commit c5b52b5e0e
3 changed files with 80 additions and 37 deletions
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31
src/mesa/state_tracker/st_mesa_to_tgsi.c
View File

@@ -578,7 +578,8 @@ make_input_decl(
GLuint usage_mask,
GLboolean semantic_info,
GLuint semantic_name,
GLbitfield semantic_index )
GLbitfield semantic_index,
GLbitfield input_flags)
{
struct tgsi_full_declaration decl;
@@ -597,6 +598,10 @@ make_input_decl(
if (interpolate_info) {
decl.Declaration.Interpolate = interpolate;
}
if (input_flags & PROG_PARAM_BIT_CENTROID)
decl.Declaration.Centroid = 1;
if (input_flags & PROG_PARAM_BIT_INVARIANT)
decl.Declaration.Invariant = 1;
return decl;
}
@@ -609,7 +614,8 @@ make_output_decl(
GLuint index,
GLuint semantic_name,
GLuint semantic_index,
GLbitfield usage_mask )
GLuint usage_mask,
GLbitfield output_flags)
{
struct tgsi_full_declaration decl;
@@ -623,6 +629,10 @@ make_output_decl(
decl.DeclarationRange.Last = index;
decl.Semantic.SemanticName = semantic_name;
decl.Semantic.SemanticIndex = semantic_index;
if (output_flags & PROG_PARAM_BIT_CENTROID)
decl.Declaration.Centroid = 1;
if (output_flags & PROG_PARAM_BIT_INVARIANT)
decl.Declaration.Invariant = 1;
return decl;
}
@@ -736,10 +746,12 @@ st_translate_mesa_program(
const ubyte inputSemanticName[],
const ubyte inputSemanticIndex[],
const GLuint interpMode[],
const GLbitfield inputFlags[],
GLuint numOutputs,
const GLuint outputMapping[],
const ubyte outputSemanticName[],
const ubyte outputSemanticIndex[],
const GLbitfield outputFlags[],
struct tgsi_token *tokens,
GLuint maxTokens )
{
@@ -777,7 +789,8 @@ st_translate_mesa_program(
GL_TRUE, interpMode[i],
TGSI_WRITEMASK_XYZW,
GL_TRUE, inputSemanticName[i],
inputSemanticIndex[i]);
inputSemanticIndex[i],
inputFlags[i]);
ti += tgsi_build_full_declaration(&fulldecl,
&tokens[ti],
header,
@@ -794,7 +807,8 @@ st_translate_mesa_program(
fulldecl = make_input_decl(i,
GL_FALSE, 0,
TGSI_WRITEMASK_XYZW,
GL_FALSE, 0, 0);
GL_FALSE, 0, 0,
inputFlags[i]);
ti += tgsi_build_full_declaration(&fulldecl,
&tokens[ti],
header,
@@ -813,13 +827,15 @@ st_translate_mesa_program(
fulldecl = make_output_decl(i,
TGSI_SEMANTIC_POSITION, /* Z / Depth */
outputSemanticIndex[i],
TGSI_WRITEMASK_Z );
TGSI_WRITEMASK_Z,
outputFlags[i]);
break;
case TGSI_SEMANTIC_COLOR:
fulldecl = make_output_decl(i,
TGSI_SEMANTIC_COLOR,
outputSemanticIndex[i],
TGSI_WRITEMASK_XYZW );
TGSI_WRITEMASK_XYZW,
outputFlags[i]);
break;
default:
assert(0);
@@ -838,7 +854,8 @@ st_translate_mesa_program(
fulldecl = make_output_decl(i,
outputSemanticName[i],
outputSemanticIndex[i],
TGSI_WRITEMASK_XYZW );
TGSI_WRITEMASK_XYZW,
outputFlags[i]);
ti += tgsi_build_full_declaration(&fulldecl,
&tokens[ti],
header,

2
src/mesa/state_tracker/st_mesa_to_tgsi.h
View File

@@ -48,10 +48,12 @@ st_translate_mesa_program(
const ubyte inputSemanticName[],
const ubyte inputSemanticIndex[],
const GLuint interpMode[],
const GLbitfield inputFlags[],
GLuint numOutputs,
const GLuint outputMapping[],
const ubyte outputSemanticName[],
const ubyte outputSemanticIndex[],
const GLbitfield outputFlags[],
struct tgsi_token *tokens,
GLuint maxTokens );

24
src/mesa/state_tracker/st_program.c
View File

@@ -99,7 +99,12 @@ st_translate_vertex_program(struct st_context *st,
ubyte vs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
uint vs_num_outputs = 0;
GLbitfield input_flags[MAX_PROGRAM_INPUTS];
GLbitfield output_flags[MAX_PROGRAM_OUTPUTS];
memset(&vs, 0, sizeof(vs));
memset(input_flags, 0, sizeof(input_flags));
memset(output_flags, 0, sizeof(output_flags));
if (stvp->Base.IsPositionInvariant)
_mesa_insert_mvp_code(st->ctx, &stvp->Base);
@@ -171,6 +176,8 @@ st_translate_vertex_program(struct st_context *st,
default:
assert(0);
}
input_flags[slot] = stvp->Base.Base.InputFlags[attr];
}
}
@@ -192,6 +199,7 @@ st_translate_vertex_program(struct st_context *st,
for (i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) {
vs_output_semantic_name[i] = TGSI_SEMANTIC_GENERIC;
vs_output_semantic_index[i] = 0;
output_flags[i] = 0x0;
}
num_generic = 0;
@@ -276,6 +284,8 @@ st_translate_vertex_program(struct st_context *st,
vs_output_semantic_index[slot] = num_generic++;
}
}
output_flags[slot] = stvp->Base.Base.OutputFlags[attr];
}
}
@@ -315,11 +325,13 @@ st_translate_vertex_program(struct st_context *st,
vs_input_semantic_name,
vs_input_semantic_index,
NULL,
input_flags,
/* outputs */
vs_num_outputs,
outputMapping,
vs_output_semantic_name,
vs_output_semantic_index,
output_flags,
/* tokenized result */
tokens, ST_MAX_SHADER_TOKENS);
@@ -371,7 +383,12 @@ st_translate_fragment_program(struct st_context *st,
ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
uint fs_num_outputs = 0;
GLbitfield input_flags[MAX_PROGRAM_INPUTS];
GLbitfield output_flags[MAX_PROGRAM_OUTPUTS];
memset(&fs, 0, sizeof(fs));
memset(input_flags, 0, sizeof(input_flags));
memset(output_flags, 0, sizeof(output_flags));
/* which vertex output goes to the first fragment input: */
if (inputsRead & FRAG_BIT_WPOS)
@@ -435,6 +452,8 @@ st_translate_fragment_program(struct st_context *st,
stfp->input_semantic_index[slot] = num_generic++;
interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
}
input_flags[slot] = stfp->Base.Base.InputFlags[attr];
}
}
@@ -471,6 +490,9 @@ st_translate_fragment_program(struct st_context *st,
default:
assert(0);
}
output_flags[fs_num_outputs] = stfp->Base.Base.OutputFlags[attr];
fs_num_outputs++;
}
}
@@ -489,11 +511,13 @@ st_translate_fragment_program(struct st_context *st,
stfp->input_semantic_name,
stfp->input_semantic_index,
interpMode,
input_flags,
/* outputs */
fs_num_outputs,
outputMapping,
fs_output_semantic_name,
fs_output_semantic_index,
output_flags,
/* tokenized result */
tokens, ST_MAX_SHADER_TOKENS);