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mesa: minor bug fixes, null ptr checks, dead code removal

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This commit is contained in:
Brian Paul 2008-05-14 16:03:38 -06:00
parent 6c536b9924
commit c4ceb4e4f3
1 changed files with 8 additions and 11 deletions
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19
src/mesa/shader/slang/slang_codegen.c
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@ -495,6 +495,9 @@ new_node0(slang_ir_opcode op)
}
/**
* Create sequence of two nodes.
*/
static slang_ir_node *
new_seq(slang_ir_node *left, slang_ir_node *right)
{
@ -1844,6 +1847,7 @@ _slang_gen_var_decl(slang_assemble_ctx *A, slang_variable *var)
n->Store->File = PROGRAM_TEMPORARY;
n->Store->Size = _slang_sizeof_type_specifier(&n->Var->type.specifier);
A->program->NumTemporaries++;
assert(n->Store->Size > 0);
}
return n;
@ -2060,7 +2064,8 @@ _slang_gen_declaration(slang_assemble_ctx *A, slang_operation *oper)
}
/* XXX make copy of this initializer? */
rhs = _slang_gen_operation(A, &oper->children[0]);
assert(rhs);
if (!rhs)
return NULL; /* must have found an error */
init = new_node2(IR_MOVE, var, rhs);
/*assert(rhs->Opcode != IR_SEQ);*/
n = new_seq(varDecl, init);
@ -2347,7 +2352,8 @@ _slang_gen_field(slang_assemble_ctx * A, slang_operation *oper)
return n;
}
else if ( ti.spec.type == SLANG_SPEC_FLOAT
|| ti.spec.type == SLANG_SPEC_INT) {
|| ti.spec.type == SLANG_SPEC_INT
|| ti.spec.type == SLANG_SPEC_BOOL) {
const GLuint rows = 1;
slang_swizzle swz;
slang_ir_node *n;
@ -2879,17 +2885,8 @@ _slang_codegen_global_variable(slang_assemble_ctx *A, slang_variable *var,
* store->Index = sampler number (0..7, typically)
* store->Size = texture type index (1D, 2D, 3D, cube, etc)
*/
#if 0
GLint samplerUniform
= _mesa_add_sampler(prog->Parameters, varName, datatype);
#elif 0
GLint samplerUniform
= _mesa_add_sampler(prog->Samplers, varName, datatype);
(void) _mesa_add_sampler(prog->Parameters, varName, datatype); /* dummy entry */
#else
const GLint sampNum = A->numSamplers++;
_mesa_add_sampler(prog->Parameters, varName, datatype, sampNum);
#endif
store = _slang_new_ir_storage(PROGRAM_SAMPLER, sampNum, texIndex);
if (dbg) printf("SAMPLER ");
}