for (int i = 0; i < len; i++) {
bool dual_slot = is_dual_slot(var);
int idx = var->data.location + var->data.index + offset + i;
- GLbitfield64 bitfield = BITFIELD64_BIT(idx);
+ bool is_patch_generic = var->data.patch &&
+ idx != VARYING_SLOT_TESS_LEVEL_INNER &&
+ idx != VARYING_SLOT_TESS_LEVEL_OUTER;
+ GLbitfield64 bitfield;
+
+ if (is_patch_generic) {
+ assert(idx >= VARYING_SLOT_PATCH0 && idx < VARYING_SLOT_TESS_MAX);
+ bitfield = BITFIELD64_BIT(idx - VARYING_SLOT_PATCH0);
+ }
+ else {
+ assert(idx < VARYING_SLOT_MAX);
+ bitfield = BITFIELD64_BIT(idx);
+ }
if (var->data.mode == ir_var_shader_in) {
- prog->InputsRead |= bitfield;
+ if (is_patch_generic)
+ prog->PatchInputsRead |= bitfield;
+ else
+ prog->InputsRead |= bitfield;
+
if (dual_slot)
prog->DoubleInputsRead |= bitfield;
if (is_fragment_shader) {
prog->SystemValuesRead |= bitfield;
} else {
assert(var->data.mode == ir_var_shader_out);
- prog->OutputsWritten |= bitfield;
+ if (is_patch_generic)
+ prog->PatchOutputsWritten |= bitfield;
+ else
+ prog->OutputsWritten |= bitfield;
}
}
}
type = type->fields.array;
}
+ /* TODO: implement proper arrays of arrays support
+ * for now let the caller mark whole variable as used.
+ */
+ if (type->is_array() && type->fields.array->is_array())
+ return false;
+
/* The code below only handles:
*
* - Indexing into matrices
prog->InputsRead = 0;
prog->OutputsWritten = 0;
+ prog->PatchInputsRead = 0;
+ prog->PatchOutputsWritten = 0;
prog->SystemValuesRead = 0;
if (shader_stage == MESA_SHADER_FRAGMENT) {
gl_fragment_program *fprog = (gl_fragment_program *) prog;