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-rw-r--r--src/compiler/glsl/ir_optimization.h4
-rw-r--r--src/compiler/glsl/link_varyings.cpp16
-rw-r--r--src/compiler/glsl/lower_packed_varyings.cpp21
3 files changed, 32 insertions, 9 deletions
diff --git a/src/compiler/glsl/ir_optimization.h b/src/compiler/glsl/ir_optimization.h
index 6f2bc321fa7..8cee41843dc 100644
--- a/src/compiler/glsl/ir_optimization.h
+++ b/src/compiler/glsl/ir_optimization.h
@@ -136,7 +136,9 @@ void lower_shared_reference(struct gl_linked_shader *shader,
void lower_ubo_reference(struct gl_linked_shader *shader,
bool clamp_block_indices);
void lower_packed_varyings(void *mem_ctx,
- unsigned locations_used, ir_variable_mode mode,
+ unsigned locations_used,
+ const uint8_t *components,
+ ir_variable_mode mode,
unsigned gs_input_vertices,
gl_linked_shader *shader,
bool disable_varying_packing, bool xfb_enabled);
diff --git a/src/compiler/glsl/link_varyings.cpp b/src/compiler/glsl/link_varyings.cpp
index 43204a7c3f2..87d7c91604e 100644
--- a/src/compiler/glsl/link_varyings.cpp
+++ b/src/compiler/glsl/link_varyings.cpp
@@ -1217,6 +1217,7 @@ public:
~varying_matches();
void record(ir_variable *producer_var, ir_variable *consumer_var);
unsigned assign_locations(struct gl_shader_program *prog,
+ uint8_t *components,
uint64_t reserved_slots);
void store_locations() const;
@@ -1482,6 +1483,7 @@ varying_matches::record(ir_variable *producer_var, ir_variable *consumer_var)
*/
unsigned
varying_matches::assign_locations(struct gl_shader_program *prog,
+ uint8_t *components,
uint64_t reserved_slots)
{
/* If packing has been disabled then we cannot safely sort the varyings by
@@ -1585,6 +1587,12 @@ varying_matches::assign_locations(struct gl_shader_program *prog,
var->name);
}
+ if (slot_end < MAX_VARYINGS_INCL_PATCH * 4u) {
+ for (unsigned j = *location / 4u; j < slot_end / 4u; j++)
+ components[j] = 4;
+ components[slot_end / 4u] = (slot_end & 3) + 1;
+ }
+
this->matches[i].generic_location = *location;
*location = slot_end + 1;
@@ -2203,7 +2211,9 @@ assign_varying_locations(struct gl_context *ctx,
}
}
- const unsigned slots_used = matches.assign_locations(prog, reserved_slots);
+ uint8_t components[MAX_VARYINGS_INCL_PATCH] = {0};
+ const unsigned slots_used = matches.assign_locations(
+ prog, components, reserved_slots);
matches.store_locations();
for (unsigned i = 0; i < num_tfeedback_decls; ++i) {
@@ -2263,13 +2273,13 @@ assign_varying_locations(struct gl_context *ctx,
}
if (producer) {
- lower_packed_varyings(mem_ctx, slots_used, ir_var_shader_out,
+ lower_packed_varyings(mem_ctx, slots_used, components, ir_var_shader_out,
0, producer, disable_varying_packing,
xfb_enabled);
}
if (consumer) {
- lower_packed_varyings(mem_ctx, slots_used, ir_var_shader_in,
+ lower_packed_varyings(mem_ctx, slots_used, components, ir_var_shader_in,
consumer_vertices, consumer,
disable_varying_packing, xfb_enabled);
}
diff --git a/src/compiler/glsl/lower_packed_varyings.cpp b/src/compiler/glsl/lower_packed_varyings.cpp
index 19bbe576a69..b16f25fc93d 100644
--- a/src/compiler/glsl/lower_packed_varyings.cpp
+++ b/src/compiler/glsl/lower_packed_varyings.cpp
@@ -164,7 +164,9 @@ namespace {
class lower_packed_varyings_visitor
{
public:
- lower_packed_varyings_visitor(void *mem_ctx, unsigned locations_used,
+ lower_packed_varyings_visitor(void *mem_ctx,
+ unsigned locations_used,
+ const uint8_t *components,
ir_variable_mode mode,
unsigned gs_input_vertices,
exec_list *out_instructions,
@@ -203,6 +205,8 @@ private:
*/
const unsigned locations_used;
+ const uint8_t* components;
+
/**
* Array of pointers to the packed varyings that have been created for each
* generic varying slot. NULL entries in this array indicate varying slots
@@ -241,12 +245,14 @@ private:
} /* anonymous namespace */
lower_packed_varyings_visitor::lower_packed_varyings_visitor(
- void *mem_ctx, unsigned locations_used, ir_variable_mode mode,
+ void *mem_ctx, unsigned locations_used, const uint8_t *components,
+ ir_variable_mode mode,
unsigned gs_input_vertices, exec_list *out_instructions,
exec_list *out_variables, bool disable_varying_packing,
bool xfb_enabled)
: mem_ctx(mem_ctx),
locations_used(locations_used),
+ components(components),
packed_varyings((ir_variable **)
rzalloc_array_size(mem_ctx, sizeof(*packed_varyings),
locations_used)),
@@ -607,10 +613,11 @@ lower_packed_varyings_visitor::get_packed_varying_deref(
if (this->packed_varyings[slot] == NULL) {
char *packed_name = ralloc_asprintf(this->mem_ctx, "packed:%s", name);
const glsl_type *packed_type;
+ assert(components[slot] != 0);
if (unpacked_var->is_interpolation_flat())
- packed_type = glsl_type::ivec4_type;
+ packed_type = glsl_type::get_instance(GLSL_TYPE_INT, components[slot], 1);
else
- packed_type = glsl_type::vec4_type;
+ packed_type = glsl_type::get_instance(GLSL_TYPE_FLOAT, components[slot], 1);
if (this->gs_input_vertices != 0) {
packed_type =
glsl_type::get_array_instance(packed_type,
@@ -771,6 +778,7 @@ lower_packed_varyings_return_splicer::visit_leave(ir_return *ret)
void
lower_packed_varyings(void *mem_ctx, unsigned locations_used,
+ const uint8_t *components,
ir_variable_mode mode, unsigned gs_input_vertices,
gl_linked_shader *shader, bool disable_varying_packing,
bool xfb_enabled)
@@ -781,7 +789,10 @@ lower_packed_varyings(void *mem_ctx, unsigned locations_used,
ir_function_signature *main_func_sig
= main_func->matching_signature(NULL, &void_parameters, false);
exec_list new_instructions, new_variables;
- lower_packed_varyings_visitor visitor(mem_ctx, locations_used, mode,
+ lower_packed_varyings_visitor visitor(mem_ctx,
+ locations_used,
+ components,
+ mode,
gs_input_vertices,
&new_instructions,
&new_variables,