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Diffstat (limited to 'src/mesa/shader/slang/slang_compile.c')
-rw-r--r--src/mesa/shader/slang/slang_compile.c77
1 files changed, 47 insertions, 30 deletions
diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c
index fd5d4afacb6..60539f19b6e 100644
--- a/src/mesa/shader/slang/slang_compile.c
+++ b/src/mesa/shader/slang/slang_compile.c
@@ -337,9 +337,10 @@ convert_to_array(slang_parse_ctx * C, slang_variable * var,
static GLboolean
parse_struct_field_var(slang_parse_ctx * C, slang_output_ctx * O,
- slang_variable * var, const slang_type_specifier * sp)
+ slang_variable * var, slang_atom a_name,
+ const slang_type_specifier * sp)
{
- var->a_name = parse_identifier(C);
+ var->a_name = a_name;
if (var->a_name == SLANG_ATOM_NULL)
return GL_FALSE;
@@ -372,12 +373,19 @@ parse_struct_field(slang_parse_ctx * C, slang_output_ctx * O,
return 0;
do {
+ slang_atom a_name;
slang_variable *var = slang_variable_scope_grow(st->fields);
if (!var) {
slang_info_log_memory(C->L);
return 0;
}
- if (!parse_struct_field_var(C, &o, var, sp))
+ a_name = parse_identifier(C);
+ if (_slang_locate_variable(st->fields, a_name, GL_FALSE)) {
+ slang_info_log_error(C->L, "duplicate field '%s'", (char *) a_name);
+ return 0;
+ }
+
+ if (!parse_struct_field_var(C, &o, var, a_name, sp))
return 0;
}
while (*C->I++ != FIELD_NONE);
@@ -1579,11 +1587,22 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
const slang_fully_specified_type * type)
{
slang_variable *var;
+ slang_atom a_name;
/* empty init declatator (without name, e.g. "float ;") */
if (*C->I++ == VARIABLE_NONE)
return 1;
+ a_name = parse_identifier(C);
+
+ /* check if name is already in this scope */
+ if (_slang_locate_variable(O->vars, a_name, GL_FALSE)) {
+ slang_info_log_error(C->L,
+ "declaration of '%s' conflicts with previous declaration",
+ (char *) a_name);
+ return 0;
+ }
+
/* make room for the new variable and initialize it */
var = slang_variable_scope_grow(O->vars);
if (!var) {
@@ -1593,7 +1612,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
/* copy the declarator qualifier type, parse the identifier */
var->type.qualifier = type->qualifier;
- var->a_name = parse_identifier(C);
+ var->a_name = a_name;
if (var->a_name == SLANG_ATOM_NULL)
return 0;
@@ -1657,6 +1676,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
A.space.vars = O->vars;
A.program = O->program;
A.vartable = O->vartable;
+ A.log = C->L;
A.curFuncEndLabel = NULL;
if (!_slang_codegen_global_variable(&A, var, C->type))
return 0;
@@ -1930,7 +1950,7 @@ parse_invariant(slang_parse_ctx * C, slang_output_ctx * O)
static GLboolean
parse_code_unit(slang_parse_ctx * C, slang_code_unit * unit,
- struct gl_program *program)
+ struct gl_shader *shader)
{
GET_CURRENT_CONTEXT(ctx);
slang_output_ctx o;
@@ -1954,7 +1974,7 @@ parse_code_unit(slang_parse_ctx * C, slang_code_unit * unit,
o.structs = &unit->structs;
o.vars = &unit->vars;
o.global_pool = &unit->object->varpool;
- o.program = program;
+ o.program = shader ? shader->Program : NULL;
o.vartable = _slang_new_var_table(maxRegs);
_slang_push_var_table(o.vartable);
@@ -2007,6 +2027,7 @@ parse_code_unit(slang_parse_ctx * C, slang_code_unit * unit,
_slang_codegen_function(&A, mainFunc);
+ shader->Main = GL_TRUE; /* this shader defines main() */
}
_slang_pop_var_table(o.vartable);
@@ -2020,7 +2041,7 @@ compile_binary(const byte * prod, slang_code_unit * unit,
GLuint version,
slang_unit_type type, slang_info_log * infolog,
slang_code_unit * builtin, slang_code_unit * downlink,
- struct gl_program *program)
+ struct gl_shader *shader)
{
slang_parse_ctx C;
@@ -2045,14 +2066,14 @@ compile_binary(const byte * prod, slang_code_unit * unit,
}
/* parse translation unit */
- return parse_code_unit(&C, unit, program);
+ return parse_code_unit(&C, unit, shader);
}
static GLboolean
compile_with_grammar(grammar id, const char *source, slang_code_unit * unit,
slang_unit_type type, slang_info_log * infolog,
slang_code_unit * builtin,
- struct gl_program *program)
+ struct gl_shader *shader)
{
byte *prod;
GLuint size, start, version;
@@ -2114,7 +2135,7 @@ compile_with_grammar(grammar id, const char *source, slang_code_unit * unit,
/* Syntax is okay - translate it to internal representation. */
if (!compile_binary(prod, unit, version, type, infolog, builtin,
&builtin[SLANG_BUILTIN_TOTAL - 1],
- program)) {
+ shader)) {
grammar_alloc_free(prod);
return GL_FALSE;
}
@@ -2153,7 +2174,7 @@ static const byte slang_vertex_builtin_gc[] = {
static GLboolean
compile_object(grammar * id, const char *source, slang_code_object * object,
slang_unit_type type, slang_info_log * infolog,
- struct gl_program *program)
+ struct gl_shader *shader)
{
slang_code_unit *builtins = NULL;
GLuint base_version = 110;
@@ -2252,7 +2273,7 @@ compile_object(grammar * id, const char *source, slang_code_object * object,
/* compile the actual shader - pass-in built-in library for external shader */
return compile_with_grammar(*id, source, &object->unit, type, infolog,
- builtins, program);
+ builtins, shader);
}
@@ -2261,22 +2282,21 @@ compile_shader(GLcontext *ctx, slang_code_object * object,
slang_unit_type type, slang_info_log * infolog,
struct gl_shader *shader)
{
- struct gl_program *program = shader->Programs[0];
GLboolean success;
grammar id = 0;
-#if 0 /* for debug */
+#if 1 /* for debug */
_mesa_printf("********* COMPILE SHADER ***********\n");
_mesa_printf("%s\n", shader->Source);
_mesa_printf("************************************\n");
#endif
- assert(program);
+ assert(shader->Program);
_slang_code_object_dtr(object);
_slang_code_object_ctr(object);
- success = compile_object(&id, shader->Source, object, type, infolog, program);
+ success = compile_object(&id, shader->Source, object, type, infolog, shader);
if (id != 0)
grammar_destroy(id);
if (!success)
@@ -2308,21 +2328,18 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader)
ctx->Shader.MemPool = _slang_new_mempool(1024*1024);
- /* XXX temporary hack */
- if (!shader->Programs) {
+ shader->Main = GL_FALSE;
+
+ if (!shader->Program) {
GLenum progTarget;
if (shader->Type == GL_VERTEX_SHADER)
progTarget = GL_VERTEX_PROGRAM_ARB;
else
progTarget = GL_FRAGMENT_PROGRAM_ARB;
- shader->Programs
- = (struct gl_program **) malloc(sizeof(struct gl_program*));
- shader->Programs[0] = ctx->Driver.NewProgram(ctx, progTarget, 1);
- shader->NumPrograms = 1;
-
- shader->Programs[0]->Parameters = _mesa_new_parameter_list();
- shader->Programs[0]->Varying = _mesa_new_parameter_list();
- shader->Programs[0]->Attributes = _mesa_new_parameter_list();
+ shader->Program = ctx->Driver.NewProgram(ctx, progTarget, 1);
+ shader->Program->Parameters = _mesa_new_parameter_list();
+ shader->Program->Varying = _mesa_new_parameter_list();
+ shader->Program->Attributes = _mesa_new_parameter_list();
}
slang_info_log_construct(&info_log);
@@ -2355,13 +2372,13 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader)
/* remove any reads of varying (output) registers */
#if 0
printf("Pre-remove output reads:\n");
- _mesa_print_program(shader->Programs[0]);
+ _mesa_print_program(shader->Programs);
#endif
- _mesa_remove_output_reads(shader->Programs[0], PROGRAM_VARYING);
- _mesa_remove_output_reads(shader->Programs[0], PROGRAM_OUTPUT);
+ _mesa_remove_output_reads(shader->Program, PROGRAM_VARYING);
+ _mesa_remove_output_reads(shader->Program, PROGRAM_OUTPUT);
#if 0
printf("Post-remove output reads:\n");
- _mesa_print_program(shader->Programs[0]);
+ _mesa_print_program(shader->Programs);
#endif
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 15:58:51 +0000