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ir_to_mesa: Support user-defined varyings using the linker's locations.

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Fixes glsl-reload-source.
This commit is contained in:
Eric Anholt
2010-06-28 14:47:43 -07:00
parent ad8ad338f4
commit f9ffccb06b
1 changed files with 22 additions and 8 deletions
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30
src/mesa/shader/ir_to_mesa.cpp
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@@ -929,15 +929,29 @@ ir_to_mesa_visitor::visit(ir_dereference_variable *ir)
!(var_in ^ in)) !(var_in ^ in))
break; break;
} }
if (i == ARRAY_SIZE(builtin_var_to_mesa_reg)) { if (i != ARRAY_SIZE(builtin_var_to_mesa_reg)) {
printf("Failed to find builtin for %s variable %s\n", entry = new(mem_ctx) temp_entry(ir->var,
var_in ? "in" : "out", builtin_var_to_mesa_reg[i].file,
ir->var->name); builtin_var_to_mesa_reg[i].index);
abort(); break;
} }
entry = new(mem_ctx) temp_entry(ir->var,
builtin_var_to_mesa_reg[i].file, /* If no builtin, then it's a user-generated varying
builtin_var_to_mesa_reg[i].index); * (FINISHME: or a function argument!)
*/
/* The linker-assigned location is VERT_RESULT_* or FRAG_ATTRIB*
*/
assert(ir->var->location != -1);
if (var_in) {
entry = new(mem_ctx) temp_entry(ir->var,
PROGRAM_INPUT,
ir->var->location);
} else {
entry = new(mem_ctx) temp_entry(ir->var,
PROGRAM_OUTPUT,
ir->var->location);
}
break; break;
case ir_var_auto: case ir_var_auto:
entry = new(mem_ctx) temp_entry(ir->var, PROGRAM_TEMPORARY, entry = new(mem_ctx) temp_entry(ir->var, PROGRAM_TEMPORARY,