diff options
| -rw-r--r-- | src/glsl/link_interface_blocks.cpp | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/src/glsl/link_interface_blocks.cpp b/src/glsl/link_interface_blocks.cpp index 0ce502d4fdd..07f5b4223a8 100644 --- a/src/glsl/link_interface_blocks.cpp +++ b/src/glsl/link_interface_blocks.cpp @@ -50,18 +50,20 @@ struct interface_block_definition * represents either the interface instance (for named interfaces), or a * member of the interface (for unnamed interfaces). */ - explicit interface_block_definition(const ir_variable *var) - : type(var->get_interface_type()), - instance_name(NULL), - array_size(-1) + explicit interface_block_definition(ir_variable *var) + : var(var), + type(var->get_interface_type()), + instance_name(NULL) { if (var->is_interface_instance()) { instance_name = var->name; - if (var->type->is_array()) - array_size = var->type->length; } explicitly_declared = (var->data.how_declared != ir_var_declared_implicitly); } + /** + * Interface block ir_variable + */ + ir_variable *var; /** * Interface block type @@ -74,12 +76,6 @@ struct interface_block_definition const char *instance_name; /** - * For an interface block array, the array size (or 0 if unsized). - * Otherwise -1. - */ - int array_size; - - /** * True if this interface block was explicitly declared in the shader; * false if it was an implicitly declared built-in interface block. */ @@ -95,7 +91,8 @@ struct interface_block_definition bool intrastage_match(interface_block_definition *a, const interface_block_definition *b, - ir_variable_mode mode) + ir_variable_mode mode, + struct gl_shader_program *prog) { /* Types must match. */ if (a->type != b->type) { @@ -120,18 +117,13 @@ intrastage_match(interface_block_definition *a, return false; } - /* Array vs. nonarray must be consistent, and sizes must be - * consistent, with the exception that unsized arrays match sized - * arrays. + /* If a block is an array then it must match across the shader. + * Unsized arrays are also processed and matched agaist sized arrays. */ - if ((a->array_size == -1) != (b->array_size == -1)) + if (b->var->type != a->var->type && + (b->instance_name != NULL || a->instance_name != NULL) && + !validate_intrastage_arrays(prog, b->var, a->var)) return false; - if (b->array_size != 0) { - if (a->array_size == 0) - a->array_size = b->array_size; - else if (a->array_size != b->array_size) - return false; - } return true; } @@ -153,8 +145,8 @@ interstage_match(const interface_block_definition *producer, /* Unsized arrays should not occur during interstage linking. They * should have all been assigned a size by link_intrastage_shaders. */ - assert(consumer->array_size != 0); - assert(producer->array_size != 0); + assert(!consumer->var->type->is_unsized_array()); + assert(!producer->var->type->is_unsized_array()); /* Types must match. */ if (consumer->type != producer->type) { @@ -165,20 +157,27 @@ interstage_match(const interface_block_definition *producer, if (consumer->explicitly_declared || producer->explicitly_declared) return false; } + + /* Ignore outermost array if geom shader */ + const glsl_type *consumer_instance_type; if (extra_array_level) { - /* Consumer must be an array, and producer must not. */ - if (consumer->array_size == -1) - return false; - if (producer->array_size != -1) - return false; + consumer_instance_type = consumer->var->type->fields.array; } else { - /* Array vs. nonarray must be consistent, and sizes must be consistent. - * Since unsized arrays have been ruled out, we can check this by just - * making sure the sizes are equal. - */ - if (consumer->array_size != producer->array_size) + consumer_instance_type = consumer->var->type; + } + + /* If a block is an array then it must match across shaders. + * Since unsized arrays have been ruled out, we can check this by just + * making sure the types are equal. + */ + if ((consumer->instance_name != NULL && + consumer_instance_type->is_array()) || + (producer->instance_name != NULL && + producer->var->type->is_array())) { + if (consumer_instance_type != producer->var->type) return false; } + return true; } @@ -298,7 +297,8 @@ validate_intrastage_interface_blocks(struct gl_shader_program *prog, */ definitions->store(def); } else if (!intrastage_match(prev_def, &def, - (ir_variable_mode) var->data.mode)) { + (ir_variable_mode) var->data.mode, + prog)) { linker_error(prog, "definitions of interface block `%s' do not" " match\n", iface_type->name); return; @@ -374,7 +374,7 @@ validate_interstage_uniform_blocks(struct gl_shader_program *prog, * uniform matchin rules (for uniforms, it is as though all * shaders are in the same shader stage). */ - if (!intrastage_match(old_def, &new_def, ir_var_uniform)) { + if (!intrastage_match(old_def, &new_def, ir_var_uniform, prog)) { linker_error(prog, "definitions of interface block `%s' do not " "match\n", var->get_interface_type()->name); return; |