aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/glsl
diff options
context:
space:
mode:
Diffstat (limited to 'mesalib/src/glsl')
-rw-r--r--mesalib/src/glsl/ast.h13
-rw-r--r--mesalib/src/glsl/ast_to_hir.cpp180
-rw-r--r--mesalib/src/glsl/glsl_parser_extras.cpp21
-rw-r--r--mesalib/src/glsl/glsl_parser_extras.h4
-rw-r--r--mesalib/src/glsl/ir.cpp9
-rw-r--r--mesalib/src/glsl/ir.h15
-rw-r--r--mesalib/src/glsl/ir_optimization.h6
-rw-r--r--mesalib/src/glsl/ir_validate.cpp3
-rw-r--r--mesalib/src/glsl/link_uniform_block_active_visitor.cpp8
-rw-r--r--mesalib/src/glsl/link_uniform_block_active_visitor.h3
-rw-r--r--mesalib/src/glsl/link_uniform_blocks.cpp14
-rw-r--r--mesalib/src/glsl/link_uniform_initializers.cpp117
-rw-r--r--mesalib/src/glsl/linker.cpp6
-rw-r--r--mesalib/src/glsl/loop_analysis.h3
-rw-r--r--mesalib/src/glsl/loop_unroll.cpp86
-rw-r--r--mesalib/src/glsl/lower_ubo_reference.cpp10
-rw-r--r--mesalib/src/glsl/opt_algebraic.cpp30
-rw-r--r--mesalib/src/glsl/opt_tree_grafting.cpp30
-rw-r--r--mesalib/src/glsl/opt_vectorize.cpp1
-rw-r--r--mesalib/src/glsl/test_optpass.cpp7
20 files changed, 413 insertions, 153 deletions
diff --git a/mesalib/src/glsl/ast.h b/mesalib/src/glsl/ast.h
index eb047e0a2..a59ebcb9f 100644
--- a/mesalib/src/glsl/ast.h
+++ b/mesalib/src/glsl/ast.h
@@ -221,6 +221,13 @@ public:
virtual ir_rvalue *hir(exec_list *instructions,
struct _mesa_glsl_parse_state *state);
+ virtual void hir_no_rvalue(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
+
+ ir_rvalue *do_hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state,
+ bool needs_rvalue);
+
virtual void print(void) const;
enum ast_operators oper;
@@ -291,6 +298,9 @@ public:
virtual ir_rvalue *hir(exec_list *instructions,
struct _mesa_glsl_parse_state *state);
+ virtual void hir_no_rvalue(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
+
private:
/**
* Is this function call actually a constructor?
@@ -363,6 +373,9 @@ public:
virtual ir_rvalue *hir(exec_list *instructions,
struct _mesa_glsl_parse_state *state);
+
+ virtual void hir_no_rvalue(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
};
/**
diff --git a/mesalib/src/glsl/ast_to_hir.cpp b/mesalib/src/glsl/ast_to_hir.cpp
index 8f6e90174..717dc68ea 100644
--- a/mesalib/src/glsl/ast_to_hir.cpp
+++ b/mesalib/src/glsl/ast_to_hir.cpp
@@ -56,6 +56,9 @@
#include "glsl_types.h"
#include "program/hash_table.h"
#include "ir.h"
+#include "ir_builder.h"
+
+using namespace ir_builder;
static void
detect_conflicting_assignments(struct _mesa_glsl_parse_state *state,
@@ -733,10 +736,12 @@ mark_whole_array_access(ir_rvalue *access)
}
}
-ir_rvalue *
+static bool
do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state,
const char *non_lvalue_description,
- ir_rvalue *lhs, ir_rvalue *rhs, bool is_initializer,
+ ir_rvalue *lhs, ir_rvalue *rhs,
+ ir_rvalue **out_rvalue, bool needs_rvalue,
+ bool is_initializer,
YYLTYPE lhs_loc)
{
void *ctx = state;
@@ -855,27 +860,33 @@ do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state,
* to handle things like:
*
* i = j += 1;
- *
- * So we always just store the computed value being assigned to a
- * temporary and return a deref of that temporary. If the rvalue
- * ends up not being used, the temp will get copy-propagated out.
*/
- ir_variable *var = new(ctx) ir_variable(rhs->type, "assignment_tmp",
- ir_var_temporary);
- ir_dereference_variable *deref_var = new(ctx) ir_dereference_variable(var);
- instructions->push_tail(var);
- instructions->push_tail(new(ctx) ir_assignment(deref_var, rhs));
- deref_var = new(ctx) ir_dereference_variable(var);
+ if (needs_rvalue) {
+ ir_variable *var = new(ctx) ir_variable(rhs->type, "assignment_tmp",
+ ir_var_temporary);
+ instructions->push_tail(var);
+ instructions->push_tail(assign(var, rhs));
+
+ if (!error_emitted) {
+ ir_dereference_variable *deref_var = new(ctx) ir_dereference_variable(var);
+ instructions->push_tail(new(ctx) ir_assignment(lhs, deref_var));
+ }
+ ir_rvalue *rvalue = new(ctx) ir_dereference_variable(var);
- if (!error_emitted)
- instructions->push_tail(new(ctx) ir_assignment(lhs, deref_var));
+ if (extract_channel) {
+ rvalue = new(ctx) ir_expression(ir_binop_vector_extract,
+ rvalue,
+ extract_channel->clone(ctx, NULL));
+ }
- if (extract_channel) {
- return new(ctx) ir_expression(ir_binop_vector_extract,
- new(ctx) ir_dereference_variable(var),
- extract_channel->clone(ctx, NULL));
+ *out_rvalue = rvalue;
+ } else {
+ if (!error_emitted)
+ instructions->push_tail(new(ctx) ir_assignment(lhs, rhs));
+ *out_rvalue = NULL;
}
- return new(ctx) ir_dereference_variable(var);
+
+ return error_emitted;
}
static ir_rvalue *
@@ -906,6 +917,20 @@ ast_node::hir(exec_list *instructions,
return NULL;
}
+void
+ast_function_expression::hir_no_rvalue(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state)
+{
+ (void)hir(instructions, state);
+}
+
+void
+ast_aggregate_initializer::hir_no_rvalue(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state)
+{
+ (void)hir(instructions, state);
+}
+
static ir_rvalue *
do_comparison(void *mem_ctx, int operation, ir_rvalue *op0, ir_rvalue *op1)
{
@@ -1075,6 +1100,21 @@ ir_rvalue *
ast_expression::hir(exec_list *instructions,
struct _mesa_glsl_parse_state *state)
{
+ return do_hir(instructions, state, true);
+}
+
+void
+ast_expression::hir_no_rvalue(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state)
+{
+ do_hir(instructions, state, false);
+}
+
+ir_rvalue *
+ast_expression::do_hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state,
+ bool needs_rvalue)
+{
void *ctx = state;
static const int operations[AST_NUM_OPERATORS] = {
-1, /* ast_assign doesn't convert to ir_expression. */
@@ -1148,11 +1188,11 @@ ast_expression::hir(exec_list *instructions,
op[0] = this->subexpressions[0]->hir(instructions, state);
op[1] = this->subexpressions[1]->hir(instructions, state);
- result = do_assignment(instructions, state,
- this->subexpressions[0]->non_lvalue_description,
- op[0], op[1], false,
- this->subexpressions[0]->get_location());
- error_emitted = result->type->is_error();
+ error_emitted =
+ do_assignment(instructions, state,
+ this->subexpressions[0]->non_lvalue_description,
+ op[0], op[1], &result, needs_rvalue, false,
+ this->subexpressions[0]->get_location());
break;
}
@@ -1418,11 +1458,12 @@ ast_expression::hir(exec_list *instructions,
ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper], type,
op[0], op[1]);
- result = do_assignment(instructions, state,
- this->subexpressions[0]->non_lvalue_description,
- op[0]->clone(ctx, NULL), temp_rhs, false,
- this->subexpressions[0]->get_location());
- error_emitted = (op[0]->type->is_error());
+ error_emitted =
+ do_assignment(instructions, state,
+ this->subexpressions[0]->non_lvalue_description,
+ op[0]->clone(ctx, NULL), temp_rhs,
+ &result, needs_rvalue, false,
+ this->subexpressions[0]->get_location());
/* GLSL 1.10 does not allow array assignment. However, we don't have to
* explicitly test for this because none of the binary expression
@@ -1444,11 +1485,12 @@ ast_expression::hir(exec_list *instructions,
temp_rhs = new(ctx) ir_expression(operations[this->oper], type,
op[0], op[1]);
- result = do_assignment(instructions, state,
- this->subexpressions[0]->non_lvalue_description,
- op[0]->clone(ctx, NULL), temp_rhs, false,
- this->subexpressions[0]->get_location());
- error_emitted = type->is_error();
+ error_emitted =
+ do_assignment(instructions, state,
+ this->subexpressions[0]->non_lvalue_description,
+ op[0]->clone(ctx, NULL), temp_rhs,
+ &result, needs_rvalue, false,
+ this->subexpressions[0]->get_location());
break;
}
@@ -1460,11 +1502,12 @@ ast_expression::hir(exec_list *instructions,
&loc);
ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper],
type, op[0], op[1]);
- result = do_assignment(instructions, state,
- this->subexpressions[0]->non_lvalue_description,
- op[0]->clone(ctx, NULL), temp_rhs, false,
- this->subexpressions[0]->get_location());
- error_emitted = op[0]->type->is_error() || op[1]->type->is_error();
+ error_emitted =
+ do_assignment(instructions, state,
+ this->subexpressions[0]->non_lvalue_description,
+ op[0]->clone(ctx, NULL), temp_rhs,
+ &result, needs_rvalue, false,
+ this->subexpressions[0]->get_location());
break;
}
@@ -1477,11 +1520,12 @@ ast_expression::hir(exec_list *instructions,
state, &loc);
ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper],
type, op[0], op[1]);
- result = do_assignment(instructions, state,
- this->subexpressions[0]->non_lvalue_description,
- op[0]->clone(ctx, NULL), temp_rhs, false,
- this->subexpressions[0]->get_location());
- error_emitted = op[0]->type->is_error() || op[1]->type->is_error();
+ error_emitted =
+ do_assignment(instructions, state,
+ this->subexpressions[0]->non_lvalue_description,
+ op[0]->clone(ctx, NULL), temp_rhs,
+ &result, needs_rvalue, false,
+ this->subexpressions[0]->get_location());
break;
}
@@ -1589,11 +1633,12 @@ ast_expression::hir(exec_list *instructions,
temp_rhs = new(ctx) ir_expression(operations[this->oper], type,
op[0], op[1]);
- result = do_assignment(instructions, state,
- this->subexpressions[0]->non_lvalue_description,
- op[0]->clone(ctx, NULL), temp_rhs, false,
- this->subexpressions[0]->get_location());
- error_emitted = op[0]->type->is_error();
+ error_emitted =
+ do_assignment(instructions, state,
+ this->subexpressions[0]->non_lvalue_description,
+ op[0]->clone(ctx, NULL), temp_rhs,
+ &result, needs_rvalue, false,
+ this->subexpressions[0]->get_location());
break;
}
@@ -1617,12 +1662,14 @@ ast_expression::hir(exec_list *instructions,
*/
result = get_lvalue_copy(instructions, op[0]->clone(ctx, NULL));
- (void)do_assignment(instructions, state,
- this->subexpressions[0]->non_lvalue_description,
- op[0]->clone(ctx, NULL), temp_rhs, false,
- this->subexpressions[0]->get_location());
+ ir_rvalue *junk_rvalue;
+ error_emitted =
+ do_assignment(instructions, state,
+ this->subexpressions[0]->non_lvalue_description,
+ op[0]->clone(ctx, NULL), temp_rhs,
+ &junk_rvalue, false, false,
+ this->subexpressions[0]->get_location());
- error_emitted = op[0]->type->is_error();
break;
}
@@ -1744,9 +1791,9 @@ ast_expression::hir(exec_list *instructions,
}
}
type = NULL; /* use result->type, not type. */
- assert(result != NULL);
+ assert(result != NULL || !needs_rvalue);
- if (result->type->is_error() && !error_emitted)
+ if (result && result->type->is_error() && !error_emitted)
_mesa_glsl_error(& loc, state, "type mismatch");
return result;
@@ -1767,7 +1814,7 @@ ast_expression_statement::hir(exec_list *instructions,
* anything in that case.
*/
if (expression != NULL)
- expression->hir(instructions, state);
+ expression->hir_no_rvalue(instructions, state);
/* Statements do not have r-values.
*/
@@ -2831,10 +2878,12 @@ process_initializer(ir_variable *var, ast_declaration *decl,
*/
const glsl_type *initializer_type;
if (!type->qualifier.flags.q.uniform) {
- result = do_assignment(initializer_instructions, state,
- NULL,
- lhs, rhs, true,
- type->get_location());
+ do_assignment(initializer_instructions, state,
+ NULL,
+ lhs, rhs,
+ &result, true,
+ true,
+ type->get_location());
initializer_type = result->type;
} else
initializer_type = rhs->type;
@@ -5267,12 +5316,19 @@ ast_interface_block::hir(exec_list *instructions,
earlier->reinit_interface_type(block_type);
delete var;
} else {
+ /* Propagate the "binding" keyword into this UBO's fields;
+ * the UBO declaration itself doesn't get an ir_variable unless it
+ * has an instance name. This is ugly.
+ */
+ var->data.explicit_binding = this->layout.flags.q.explicit_binding;
+ var->data.binding = this->layout.binding;
+
state->symbols->add_variable(var);
instructions->push_tail(var);
}
} else {
/* In order to have an array size, the block must also be declared with
- * an instane name.
+ * an instance name.
*/
assert(this->array_specifier == NULL);
diff --git a/mesalib/src/glsl/glsl_parser_extras.cpp b/mesalib/src/glsl/glsl_parser_extras.cpp
index 61ae62150..03c2a972a 100644
--- a/mesalib/src/glsl/glsl_parser_extras.cpp
+++ b/mesalib/src/glsl/glsl_parser_extras.cpp
@@ -66,10 +66,6 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx,
this->translation_unit.make_empty();
this->symbols = new(mem_ctx) glsl_symbol_table;
- this->num_uniform_blocks = 0;
- this->uniform_block_array_size = 0;
- this->uniform_blocks = NULL;
-
this->info_log = ralloc_strdup(mem_ctx, "");
this->error = false;
this->loop_nesting_ast = NULL;
@@ -1448,7 +1444,8 @@ _mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader,
/* Do some optimization at compile time to reduce shader IR size
* and reduce later work if the same shader is linked multiple times
*/
- while (do_common_optimization(shader->ir, false, false, 32, options))
+ while (do_common_optimization(shader->ir, false, false, options,
+ ctx->Const.NativeIntegers))
;
validate_ir_tree(shader->ir);
@@ -1464,12 +1461,6 @@ _mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader,
shader->IsES = state->es_shader;
shader->uses_builtin_functions = state->uses_builtin_functions;
- if (shader->UniformBlocks)
- ralloc_free(shader->UniformBlocks);
- shader->NumUniformBlocks = state->num_uniform_blocks;
- shader->UniformBlocks = state->uniform_blocks;
- ralloc_steal(shader, shader->UniformBlocks);
-
if (!state->error)
set_shader_inout_layout(shader, state);
@@ -1501,8 +1492,8 @@ _mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader,
bool
do_common_optimization(exec_list *ir, bool linked,
bool uniform_locations_assigned,
- unsigned max_unroll_iterations,
- const struct gl_shader_compiler_options *options)
+ const struct gl_shader_compiler_options *options,
+ bool native_integers)
{
GLboolean progress = GL_FALSE;
@@ -1538,7 +1529,7 @@ do_common_optimization(exec_list *ir, bool linked,
progress = do_constant_variable_unlinked(ir) || progress;
progress = do_constant_folding(ir) || progress;
progress = do_cse(ir) || progress;
- progress = do_algebraic(ir) || progress;
+ progress = do_algebraic(ir, native_integers) || progress;
progress = do_lower_jumps(ir) || progress;
progress = do_vec_index_to_swizzle(ir) || progress;
progress = lower_vector_insert(ir, false) || progress;
@@ -1551,7 +1542,7 @@ do_common_optimization(exec_list *ir, bool linked,
loop_state *ls = analyze_loop_variables(ir);
if (ls->loop_found) {
progress = set_loop_controls(ir, ls) || progress;
- progress = unroll_loops(ir, ls, max_unroll_iterations) || progress;
+ progress = unroll_loops(ir, ls, options) || progress;
}
delete ls;
diff --git a/mesalib/src/glsl/glsl_parser_extras.h b/mesalib/src/glsl/glsl_parser_extras.h
index 2e22c8c91..0fd778dc3 100644
--- a/mesalib/src/glsl/glsl_parser_extras.h
+++ b/mesalib/src/glsl/glsl_parser_extras.h
@@ -179,10 +179,6 @@ struct _mesa_glsl_parse_state {
exec_list translation_unit;
glsl_symbol_table *symbols;
- unsigned num_uniform_blocks;
- unsigned uniform_block_array_size;
- struct gl_uniform_block *uniform_blocks;
-
unsigned num_supported_versions;
struct {
unsigned ver;
diff --git a/mesalib/src/glsl/ir.cpp b/mesalib/src/glsl/ir.cpp
index 85fbfa9c4..f8f661d5e 100644
--- a/mesalib/src/glsl/ir.cpp
+++ b/mesalib/src/glsl/ir.cpp
@@ -1223,6 +1223,15 @@ ir_constant::is_basis() const
return ones == 1;
}
+bool
+ir_constant::is_uint16_constant() const
+{
+ if (!type->is_integer())
+ return false;
+
+ return value.u[0] < (1 << 16);
+}
+
ir_loop::ir_loop()
{
this->ir_type = ir_type_loop;
diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h
index ee276d2be..6c7c60a27 100644
--- a/mesalib/src/glsl/ir.h
+++ b/mesalib/src/glsl/ir.h
@@ -265,6 +265,13 @@ public:
*/
virtual bool is_basis() const;
+ /**
+ * Determine if an r-value is an unsigned integer constant which can be
+ * stored in 16 bits.
+ *
+ * \sa ir_constant::is_uint16_constant.
+ */
+ virtual bool is_uint16_constant() const { return false; }
/**
* Return a generic value of error_type.
@@ -2165,6 +2172,14 @@ public:
virtual bool is_basis() const;
/**
+ * Return true for constants that could be stored as 16-bit unsigned values.
+ *
+ * Note that this will return true even for signed integer ir_constants, as
+ * long as the value is non-negative and fits in 16-bits.
+ */
+ virtual bool is_uint16_constant() const;
+
+ /**
* Value of the constant.
*
* The field used to back the values supplied by the constant is determined
diff --git a/mesalib/src/glsl/ir_optimization.h b/mesalib/src/glsl/ir_optimization.h
index 5f4a2f405..40bb61392 100644
--- a/mesalib/src/glsl/ir_optimization.h
+++ b/mesalib/src/glsl/ir_optimization.h
@@ -66,10 +66,10 @@ enum lower_packing_builtins_op {
bool do_common_optimization(exec_list *ir, bool linked,
bool uniform_locations_assigned,
- unsigned max_unroll_iterations,
- const struct gl_shader_compiler_options *options);
+ const struct gl_shader_compiler_options *options,
+ bool native_integers);
-bool do_algebraic(exec_list *instructions);
+bool do_algebraic(exec_list *instructions, bool native_integers);
bool do_constant_folding(exec_list *instructions);
bool do_constant_variable(exec_list *instructions);
bool do_constant_variable_unlinked(exec_list *instructions);
diff --git a/mesalib/src/glsl/ir_validate.cpp b/mesalib/src/glsl/ir_validate.cpp
index 527acea4c..71defc815 100644
--- a/mesalib/src/glsl/ir_validate.cpp
+++ b/mesalib/src/glsl/ir_validate.cpp
@@ -381,6 +381,9 @@ ir_validate::visit_leave(ir_expression *ir)
case ir_binop_min:
case ir_binop_max:
case ir_binop_pow:
+ assert(ir->operands[0]->type->base_type ==
+ ir->operands[1]->type->base_type);
+
if (ir->operands[0]->type->is_scalar())
assert(ir->operands[1]->type == ir->type);
else if (ir->operands[1]->type->is_scalar())
diff --git a/mesalib/src/glsl/link_uniform_block_active_visitor.cpp b/mesalib/src/glsl/link_uniform_block_active_visitor.cpp
index f2f46a211..d19ce20c7 100644
--- a/mesalib/src/glsl/link_uniform_block_active_visitor.cpp
+++ b/mesalib/src/glsl/link_uniform_block_active_visitor.cpp
@@ -46,6 +46,14 @@ process_block(void *mem_ctx, struct hash_table *ht, ir_variable *var)
b->type = block_type;
b->has_instance_name = var->is_interface_instance();
+ if (var->data.explicit_binding) {
+ b->has_binding = true;
+ b->binding = var->data.binding;
+ } else {
+ b->has_binding = false;
+ b->binding = 0;
+ }
+
_mesa_hash_table_insert(ht, h, var->get_interface_type()->name,
(void *) b);
return b;
diff --git a/mesalib/src/glsl/link_uniform_block_active_visitor.h b/mesalib/src/glsl/link_uniform_block_active_visitor.h
index fba628a8f..d76dbcaf1 100644
--- a/mesalib/src/glsl/link_uniform_block_active_visitor.h
+++ b/mesalib/src/glsl/link_uniform_block_active_visitor.h
@@ -36,7 +36,10 @@ struct link_uniform_block_active {
unsigned *array_elements;
unsigned num_array_elements;
+ unsigned binding;
+
bool has_instance_name;
+ bool has_binding;
};
class link_uniform_block_active_visitor : public ir_hierarchical_visitor {
diff --git a/mesalib/src/glsl/link_uniform_blocks.cpp b/mesalib/src/glsl/link_uniform_blocks.cpp
index 72d6c5323..1a0e64318 100644
--- a/mesalib/src/glsl/link_uniform_blocks.cpp
+++ b/mesalib/src/glsl/link_uniform_blocks.cpp
@@ -251,7 +251,17 @@ link_uniform_blocks(void *mem_ctx,
blocks[i].Name = ralloc_asprintf(blocks, "%s[%u]", name,
b->array_elements[j]);
blocks[i].Uniforms = &variables[parcel.index];
- blocks[i].Binding = 0;
+
+ /* The GL_ARB_shading_language_420pack spec says:
+ *
+ * "If the binding identifier is used with a uniform block
+ * instanced as an array then the first element of the array
+ * takes the specified block binding and each subsequent
+ * element takes the next consecutive uniform block binding
+ * point."
+ */
+ blocks[i].Binding = (b->has_binding) ? b->binding + j : 0;
+
blocks[i].UniformBufferSize = 0;
blocks[i]._Packing =
gl_uniform_block_packing(block_type->interface_packing);
@@ -269,7 +279,7 @@ link_uniform_blocks(void *mem_ctx,
} else {
blocks[i].Name = ralloc_strdup(blocks, block_type->name);
blocks[i].Uniforms = &variables[parcel.index];
- blocks[i].Binding = 0;
+ blocks[i].Binding = (b->has_binding) ? b->binding : 0;
blocks[i].UniformBufferSize = 0;
blocks[i]._Packing =
gl_uniform_block_packing(block_type->interface_packing);
diff --git a/mesalib/src/glsl/link_uniform_initializers.cpp b/mesalib/src/glsl/link_uniform_initializers.cpp
index 9d6977d57..e60bb64bc 100644
--- a/mesalib/src/glsl/link_uniform_initializers.cpp
+++ b/mesalib/src/glsl/link_uniform_initializers.cpp
@@ -46,6 +46,18 @@ get_storage(gl_uniform_storage *storage, unsigned num_storage,
return NULL;
}
+static unsigned
+get_uniform_block_index(const gl_shader_program *shProg,
+ const char *uniformBlockName)
+{
+ for (unsigned i = 0; i < shProg->NumUniformBlocks; i++) {
+ if (!strcmp(shProg->UniformBlocks[i].Name, uniformBlockName))
+ return i;
+ }
+
+ return GL_INVALID_INDEX;
+}
+
void
copy_constant_to_storage(union gl_constant_value *storage,
const ir_constant *val,
@@ -84,8 +96,7 @@ copy_constant_to_storage(union gl_constant_value *storage,
}
void
-set_uniform_binding(void *mem_ctx, gl_shader_program *prog,
- const char *name, const glsl_type *type, int binding)
+set_sampler_binding(gl_shader_program *prog, const char *name, int binding)
{
struct gl_uniform_storage *const storage =
get_storage(prog->UniformStorage, prog->NumUserUniformStorage, name);
@@ -95,42 +106,53 @@ set_uniform_binding(void *mem_ctx, gl_shader_program *prog,
return;
}
- if (storage->type->is_sampler()) {
- unsigned elements = MAX2(storage->array_elements, 1);
+ const unsigned elements = MAX2(storage->array_elements, 1);
- /* From section 4.4.4 of the GLSL 4.20 specification:
- * "If the binding identifier is used with an array, the first element
- * of the array takes the specified unit and each subsequent element
- * takes the next consecutive unit."
- */
- for (unsigned int i = 0; i < elements; i++) {
- storage->storage[i].i = binding + i;
- }
+ /* Section 4.4.4 (Opaque-Uniform Layout Qualifiers) of the GLSL 4.20 spec
+ * says:
+ *
+ * "If the binding identifier is used with an array, the first element
+ * of the array takes the specified unit and each subsequent element
+ * takes the next consecutive unit."
+ */
+ for (unsigned int i = 0; i < elements; i++) {
+ storage->storage[i].i = binding + i;
+ }
- for (int sh = 0; sh < MESA_SHADER_STAGES; sh++) {
- gl_shader *shader = prog->_LinkedShaders[sh];
+ for (int sh = 0; sh < MESA_SHADER_STAGES; sh++) {
+ gl_shader *shader = prog->_LinkedShaders[sh];
- if (shader && storage->sampler[sh].active) {
- for (unsigned i = 0; i < elements; i++) {
- unsigned index = storage->sampler[sh].index + i;
+ if (shader && storage->sampler[sh].active) {
+ for (unsigned i = 0; i < elements; i++) {
+ unsigned index = storage->sampler[sh].index + i;
- shader->SamplerUnits[index] = storage->storage[i].i;
- }
+ shader->SamplerUnits[index] = storage->storage[i].i;
}
}
- } else if (storage->block_index != -1) {
+ }
+
+ storage->initialized = true;
+}
+
+void
+set_block_binding(gl_shader_program *prog, const char *block_name, int binding)
+{
+ const unsigned block_index = get_uniform_block_index(prog, block_name);
+
+ if (block_index == GL_INVALID_INDEX) {
+ assert(block_index != GL_INVALID_INDEX);
+ return;
+ }
+
/* This is a field of a UBO. val is the binding index. */
for (int i = 0; i < MESA_SHADER_STAGES; i++) {
- int stage_index = prog->UniformBlockStageIndex[i][storage->block_index];
+ int stage_index = prog->UniformBlockStageIndex[i][block_index];
if (stage_index != -1) {
struct gl_shader *sh = prog->_LinkedShaders[i];
sh->UniformBlocks[stage_index].Binding = binding;
}
}
- }
-
- storage->initialized = true;
}
void
@@ -232,8 +254,51 @@ link_set_uniform_initializers(struct gl_shader_program *prog)
mem_ctx = ralloc_context(NULL);
if (var->data.explicit_binding) {
- linker::set_uniform_binding(mem_ctx, prog, var->name,
- var->type, var->data.binding);
+ const glsl_type *const type = var->type;
+
+ if (type->is_sampler()
+ || (type->is_array() && type->fields.array->is_sampler())) {
+ linker::set_sampler_binding(prog, var->name, var->data.binding);
+ } else if (var->is_in_uniform_block()) {
+ const glsl_type *const iface_type = var->get_interface_type();
+
+ /* If the variable is an array and it is an interface instance,
+ * we need to set the binding for each array element. Just
+ * checking that the variable is an array is not sufficient.
+ * The variable could be an array element of a uniform block
+ * that lacks an instance name. For example:
+ *
+ * uniform U {
+ * float f[4];
+ * };
+ *
+ * In this case "f" would pass is_in_uniform_block (above) and
+ * type->is_array(), but it will fail is_interface_instance().
+ */
+ if (var->is_interface_instance() && var->type->is_array()) {
+ for (unsigned i = 0; i < var->type->length; i++) {
+ const char *name =
+ ralloc_asprintf(mem_ctx, "%s[%u]", iface_type->name, i);
+
+ /* Section 4.4.3 (Uniform Block Layout Qualifiers) of the
+ * GLSL 4.20 spec says:
+ *
+ * "If the binding identifier is used with a uniform
+ * block instanced as an array then the first element
+ * of the array takes the specified block binding and
+ * each subsequent element takes the next consecutive
+ * uniform block binding point."
+ */
+ linker::set_block_binding(prog, name,
+ var->data.binding + i);
+ }
+ } else {
+ linker::set_block_binding(prog, iface_type->name,
+ var->data.binding);
+ }
+ } else {
+ assert(!"Explicit binding not on a sampler or UBO.");
+ }
} else if (var->constant_value) {
linker::set_uniform_initializer(mem_ctx, prog, var->name,
var->type, var->constant_value);
diff --git a/mesalib/src/glsl/linker.cpp b/mesalib/src/glsl/linker.cpp
index 3bf278965..c8dc0661d 100644
--- a/mesalib/src/glsl/linker.cpp
+++ b/mesalib/src/glsl/linker.cpp
@@ -2296,9 +2296,9 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog)
lower_clip_distance(prog->_LinkedShaders[i]);
}
- unsigned max_unroll = ctx->ShaderCompilerOptions[i].MaxUnrollIterations;
-
- while (do_common_optimization(prog->_LinkedShaders[i]->ir, true, false, max_unroll, &ctx->ShaderCompilerOptions[i]))
+ while (do_common_optimization(prog->_LinkedShaders[i]->ir, true, false,
+ &ctx->ShaderCompilerOptions[i],
+ ctx->Const.NativeIntegers))
;
}
diff --git a/mesalib/src/glsl/loop_analysis.h b/mesalib/src/glsl/loop_analysis.h
index f841042f0..295dc797c 100644
--- a/mesalib/src/glsl/loop_analysis.h
+++ b/mesalib/src/glsl/loop_analysis.h
@@ -53,7 +53,8 @@ set_loop_controls(exec_list *instructions, loop_state *ls);
extern bool
-unroll_loops(exec_list *instructions, loop_state *ls, unsigned max_iterations);
+unroll_loops(exec_list *instructions, loop_state *ls,
+ const struct gl_shader_compiler_options *options);
ir_rvalue *
find_initial_value(ir_loop *loop, ir_variable *var);
diff --git a/mesalib/src/glsl/loop_unroll.cpp b/mesalib/src/glsl/loop_unroll.cpp
index 789655ebd..da532804a 100644
--- a/mesalib/src/glsl/loop_unroll.cpp
+++ b/mesalib/src/glsl/loop_unroll.cpp
@@ -25,15 +25,18 @@
#include "loop_analysis.h"
#include "ir_hierarchical_visitor.h"
+#include "main/mtypes.h"
+
namespace {
class loop_unroll_visitor : public ir_hierarchical_visitor {
public:
- loop_unroll_visitor(loop_state *state, unsigned max_iterations)
+ loop_unroll_visitor(loop_state *state,
+ const struct gl_shader_compiler_options *options)
{
this->state = state;
this->progress = false;
- this->max_iterations = max_iterations;
+ this->options = options;
}
virtual ir_visitor_status visit_leave(ir_loop *ir);
@@ -45,7 +48,7 @@ public:
loop_state *state;
bool progress;
- unsigned max_iterations;
+ const struct gl_shader_compiler_options *options;
};
} /* anonymous namespace */
@@ -60,12 +63,17 @@ is_break(ir_instruction *ir)
class loop_unroll_count : public ir_hierarchical_visitor {
public:
int nodes;
- bool fail;
+ bool unsupported_variable_indexing;
+ /* If there are nested loops, the node count will be inaccurate. */
+ bool nested_loop;
- loop_unroll_count(exec_list *list)
+ loop_unroll_count(exec_list *list, loop_variable_state *ls,
+ const struct gl_shader_compiler_options *options)
+ : ls(ls), options(options)
{
nodes = 0;
- fail = false;
+ nested_loop = false;
+ unsupported_variable_indexing = false;
run(list);
}
@@ -84,9 +92,57 @@ public:
virtual ir_visitor_status visit_enter(ir_loop *)
{
- fail = true;
+ nested_loop = true;
+ return visit_continue;
+ }
+
+ virtual ir_visitor_status visit_enter(ir_dereference_array *ir)
+ {
+ /* Check for arrays variably-indexed by a loop induction variable.
+ * Unrolling the loop may convert that access into constant-indexing.
+ *
+ * Many drivers don't support particular kinds of variable indexing,
+ * and have to resort to using lower_variable_index_to_cond_assign to
+ * handle it. This results in huge amounts of horrible code, so we'd
+ * like to avoid that if possible. Here, we just note that it will
+ * happen.
+ */
+ if ((ir->array->type->is_array() || ir->array->type->is_matrix()) &&
+ !ir->array_index->as_constant()) {
+ ir_variable *array = ir->array->variable_referenced();
+ loop_variable *lv = ls->get(ir->array_index->variable_referenced());
+ if (array && lv && lv->is_induction_var()) {
+ switch (array->data.mode) {
+ case ir_var_auto:
+ case ir_var_temporary:
+ case ir_var_const_in:
+ case ir_var_function_in:
+ case ir_var_function_out:
+ case ir_var_function_inout:
+ if (options->EmitNoIndirectTemp)
+ unsupported_variable_indexing = true;
+ break;
+ case ir_var_uniform:
+ if (options->EmitNoIndirectUniform)
+ unsupported_variable_indexing = true;
+ break;
+ case ir_var_shader_in:
+ if (options->EmitNoIndirectInput)
+ unsupported_variable_indexing = true;
+ break;
+ case ir_var_shader_out:
+ if (options->EmitNoIndirectOutput)
+ unsupported_variable_indexing = true;
+ break;
+ }
+ }
+ }
return visit_continue;
}
+
+private:
+ loop_variable_state *ls;
+ const struct gl_shader_compiler_options *options;
};
@@ -244,16 +300,21 @@ loop_unroll_visitor::visit_leave(ir_loop *ir)
iterations = ls->limiting_terminator->iterations;
+ const int max_iterations = options->MaxUnrollIterations;
+
/* Don't try to unroll loops that have zillions of iterations either.
*/
- if (iterations > (int) max_iterations)
+ if (iterations > max_iterations)
return visit_continue;
/* Don't try to unroll nested loops and loops with a huge body.
*/
- loop_unroll_count count(&ir->body_instructions);
+ loop_unroll_count count(&ir->body_instructions, ls, options);
+
+ bool loop_too_large =
+ count.nested_loop || count.nodes * iterations > max_iterations * 5;
- if (count.fail || count.nodes * iterations > (int)max_iterations * 5)
+ if (loop_too_large && !count.unsupported_variable_indexing)
return visit_continue;
/* Note: the limiting terminator contributes 1 to ls->num_loop_jumps.
@@ -338,9 +399,10 @@ loop_unroll_visitor::visit_leave(ir_loop *ir)
bool
-unroll_loops(exec_list *instructions, loop_state *ls, unsigned max_iterations)
+unroll_loops(exec_list *instructions, loop_state *ls,
+ const struct gl_shader_compiler_options *options)
{
- loop_unroll_visitor v(ls, max_iterations);
+ loop_unroll_visitor v(ls, options);
v.run(instructions);
diff --git a/mesalib/src/glsl/lower_ubo_reference.cpp b/mesalib/src/glsl/lower_ubo_reference.cpp
index c73b148b0..90e65bd0e 100644
--- a/mesalib/src/glsl/lower_ubo_reference.cpp
+++ b/mesalib/src/glsl/lower_ubo_reference.cpp
@@ -194,12 +194,16 @@ lower_ubo_reference_visitor::handle_rvalue(ir_rvalue **rvalue)
array_stride = glsl_align(array_stride, 16);
}
- ir_constant *const_index = deref_array->array_index->as_constant();
+ ir_rvalue *array_index = deref_array->array_index;
+ if (array_index->type->base_type == GLSL_TYPE_INT)
+ array_index = i2u(array_index);
+
+ ir_constant *const_index = array_index->as_constant();
if (const_index) {
- const_offset += array_stride * const_index->value.i[0];
+ const_offset += array_stride * const_index->value.u[0];
} else {
offset = add(offset,
- mul(deref_array->array_index,
+ mul(array_index,
new(mem_ctx) ir_constant(array_stride)));
}
deref = deref_array->array->as_dereference();
diff --git a/mesalib/src/glsl/opt_algebraic.cpp b/mesalib/src/glsl/opt_algebraic.cpp
index 8494bd9ec..9d5539252 100644
--- a/mesalib/src/glsl/opt_algebraic.cpp
+++ b/mesalib/src/glsl/opt_algebraic.cpp
@@ -45,10 +45,11 @@ namespace {
class ir_algebraic_visitor : public ir_rvalue_visitor {
public:
- ir_algebraic_visitor()
+ ir_algebraic_visitor(bool native_integers)
{
this->progress = false;
this->mem_ctx = NULL;
+ this->native_integers = native_integers;
}
virtual ~ir_algebraic_visitor()
@@ -70,6 +71,7 @@ public:
void *mem_ctx;
+ bool native_integers;
bool progress;
};
@@ -445,6 +447,28 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
}
break;
+ case ir_binop_less:
+ case ir_binop_lequal:
+ case ir_binop_greater:
+ case ir_binop_gequal:
+ case ir_binop_equal:
+ case ir_binop_nequal:
+ for (int add_pos = 0; add_pos < 2; add_pos++) {
+ ir_expression *add = op_expr[add_pos];
+
+ if (!add || add->operation != ir_binop_add)
+ continue;
+
+ ir_constant *zero = op_const[1 - add_pos];
+ if (!is_vec_zero(zero))
+ continue;
+
+ return new(mem_ctx) ir_expression(ir->operation,
+ add->operands[0],
+ neg(add->operands[1]));
+ }
+ break;
+
case ir_binop_rshift:
case ir_binop_lshift:
/* 0 >> x == 0 */
@@ -623,9 +647,9 @@ ir_algebraic_visitor::handle_rvalue(ir_rvalue **rvalue)
}
bool
-do_algebraic(exec_list *instructions)
+do_algebraic(exec_list *instructions, bool native_integers)
{
- ir_algebraic_visitor v;
+ ir_algebraic_visitor v(native_integers);
visit_list_elements(&v, instructions);
diff --git a/mesalib/src/glsl/opt_tree_grafting.cpp b/mesalib/src/glsl/opt_tree_grafting.cpp
index f3bd580af..d47613c21 100644
--- a/mesalib/src/glsl/opt_tree_grafting.cpp
+++ b/mesalib/src/glsl/opt_tree_grafting.cpp
@@ -127,12 +127,12 @@ ir_tree_grafting_visitor::do_graft(ir_rvalue **rvalue)
return false;
if (debug) {
- printf("GRAFTING:\n");
- this->graft_assign->print();
- printf("\n");
- printf("TO:\n");
- (*rvalue)->print();
- printf("\n");
+ fprintf(stderr, "GRAFTING:\n");
+ this->graft_assign->fprint(stderr);
+ fprintf(stderr, "\n");
+ fprintf(stderr, "TO:\n");
+ (*rvalue)->fprint(stderr);
+ fprintf(stderr, "\n");
}
this->graft_assign->remove();
@@ -164,9 +164,9 @@ ir_tree_grafting_visitor::check_graft(ir_instruction *ir, ir_variable *var)
{
if (dereferences_variable(this->graft_assign->rhs, var)) {
if (debug) {
- printf("graft killed by: ");
- ir->print();
- printf("\n");
+ fprintf(stderr, "graft killed by: ");
+ ir->fprint(stderr);
+ fprintf(stderr, "\n");
}
return visit_stop;
}
@@ -316,9 +316,9 @@ try_tree_grafting(ir_assignment *start,
ir_tree_grafting_visitor v(start, lhs_var);
if (debug) {
- printf("trying to graft: ");
- lhs_var->print();
- printf("\n");
+ fprintf(stderr, "trying to graft: ");
+ lhs_var->fprint(stderr);
+ fprintf(stderr, "\n");
}
for (ir_instruction *ir = (ir_instruction *)start->next;
@@ -326,9 +326,9 @@ try_tree_grafting(ir_assignment *start,
ir = (ir_instruction *)ir->next) {
if (debug) {
- printf("- ");
- ir->print();
- printf("\n");
+ fprintf(stderr, "- ");
+ ir->fprint(stderr);
+ fprintf(stderr, "\n");
}
ir_visitor_status s = ir->accept(&v);
diff --git a/mesalib/src/glsl/opt_vectorize.cpp b/mesalib/src/glsl/opt_vectorize.cpp
index 3306397fd..f9a3b6183 100644
--- a/mesalib/src/glsl/opt_vectorize.cpp
+++ b/mesalib/src/glsl/opt_vectorize.cpp
@@ -260,6 +260,7 @@ ir_vectorize_visitor::visit_enter(ir_assignment *ir)
if (ir->condition ||
this->channels >= 4 ||
!single_channel_write_mask(ir->write_mask) ||
+ this->assignment[write_mask_to_swizzle(ir->write_mask)] != NULL ||
(lhs && !ir->lhs->equals(lhs)) ||
(rhs && !ir->rhs->equals(rhs, ir_type_swizzle))) {
try_vectorize();
diff --git a/mesalib/src/glsl/test_optpass.cpp b/mesalib/src/glsl/test_optpass.cpp
index f1b9579cd..db5cb2662 100644
--- a/mesalib/src/glsl/test_optpass.cpp
+++ b/mesalib/src/glsl/test_optpass.cpp
@@ -62,11 +62,10 @@ do_optimization(struct exec_list *ir, const char *optimization,
int int_3;
int int_4;
- if (sscanf(optimization, "do_common_optimization ( %d , %d ) ",
- &int_0, &int_1) == 2) {
- return do_common_optimization(ir, int_0 != 0, false, int_1, options);
+ if (sscanf(optimization, "do_common_optimization ( %d ) ", &int_0) == 1) {
+ return do_common_optimization(ir, int_0 != 0, false, options, true);
} else if (strcmp(optimization, "do_algebraic") == 0) {
- return do_algebraic(ir);
+ return do_algebraic(ir, true);
} else if (strcmp(optimization, "do_constant_folding") == 0) {
return do_constant_folding(ir);
} else if (strcmp(optimization, "do_constant_variable") == 0) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 19:01:21 +0000