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st/glsl_to_tgsi: handle doubles outputs in arrays.

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This handles the case where a double output is stored
in an array, and tracks it for use in the double
instruction emit code.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2015-12-19 14:43:12 +10:00
parent fc890d703e
commit aab0c6c9c4
1 changed files with 31 additions and 4 deletions
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35
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@@ -334,8 +334,24 @@ struct array_decl {
unsigned mesa_index;
unsigned array_id;
unsigned array_size;
unsigned array_type;
};
static unsigned
find_array_type(struct array_decl *arrays, unsigned count, unsigned array_id)
{
unsigned i;
for (i = 0; i < count; i++) {
struct array_decl *decl = &arrays[i];
if (array_id == decl->array_id) {
return decl->array_type;
}
}
return GLSL_TYPE_ERROR;
}
struct rename_reg_pair {
int old_reg;
int new_reg;
@@ -663,6 +679,11 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op,
dst_is_double[j] = false;
if (inst->dst[j].type == GLSL_TYPE_DOUBLE)
dst_is_double[j] = true;
else if (inst->dst[j].file == PROGRAM_OUTPUT && inst->dst[j].type == GLSL_TYPE_ARRAY) {
unsigned type = find_array_type(this->output_arrays, this->num_output_arrays, inst->dst[j].array_id);
if (type == GLSL_TYPE_DOUBLE)
dst_is_double[j] = true;
}
}
if (dst_is_double[0] || dst_is_double[1] ||
@@ -2270,10 +2291,13 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir)
decl->mesa_index = var->data.location;
decl->array_id = num_input_arrays + 1;
if (is_2d)
if (is_2d) {
decl->array_size = type_size(var->type->fields.array);
else
decl->array_type = var->type->fields.array->without_array()->base_type;
} else {
decl->array_size = type_size(var->type);
decl->array_type = var->type->without_array()->base_type;
}
num_input_arrays++;
entry = new(mem_ctx) variable_storage(var,
@@ -2296,10 +2320,13 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir)
decl->mesa_index = var->data.location;
decl->array_id = num_output_arrays + 1;
if (is_2d)
if (is_2d) {
decl->array_size = type_size(var->type->fields.array);
else
decl->array_type = var->type->fields.array->without_array()->base_type;
} else {
decl->array_size = type_size(var->type);
decl->array_type = var->type->without_array()->base_type;
}
num_output_arrays++;
entry = new(mem_ctx) variable_storage(var,