X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Fspirv.cpp;h=c6f15614f5c8a56a36c7e7236a1c785f081e0a19;hp=b86734f623365e1724a8ec430d33d0cc5e67fbdf;hb=HEAD;hpb=08d3b5a55fad7439b47fc93d8ba604cbeb7e19ca

diff --git a/source/glsl/spirv.cpp b/source/glsl/spirv.cpp
index b86734f6..4dceb971 100644
--- a/source/glsl/spirv.cpp
+++ b/source/glsl/spirv.cpp
@@ -917,9 +917,10 @@ void SpirVGenerator::visit(BinaryExpression &binary)
 
 				compare_id = write_construct(bool_vec_type_id, column_ids, n_elems);
 			}
+			else
+				throw internal_error("unsupported types for non-scalar equality comparison");
 
-			if(compare_id)
-				r_expression_result_id = write_expression(combine_op, result_type_id, compare_id);
+			r_expression_result_id = write_expression(combine_op, result_type_id, compare_id);
 			return;
 		}
 	}
@@ -1443,7 +1444,7 @@ void SpirVGenerator::visit_builtin_texture(FunctionCall &call, const vector<Id>
 
 void SpirVGenerator::visit_builtin_texture_fetch(FunctionCall &call, const vector<Id> &argument_ids)
 {
-	const ImageTypeDeclaration &image = dynamic_cast<const ImageTypeDeclaration &>(*call.arguments[0]->type);
+	ImageTypeDeclaration &image = dynamic_cast<ImageTypeDeclaration &>(*call.arguments[0]->type);
 
 	Opcode opcode;
 	if(call.name=="texelFetch")
@@ -1459,9 +1460,18 @@ void SpirVGenerator::visit_builtin_texture_fetch(FunctionCall &call, const vecto
 	if(argument_ids.size()!=2U+need_sample+need_lod)
 		throw internal_error("invalid texture fetch call");
 
+	Id image_id;
+	if(image.sampled)
+	{
+		Id image_type_id = get_item(image_type_ids, get_id(image));
+		image_id = write_expression(OP_IMAGE, image_type_id, argument_ids[0]);
+	}
+	else
+		image_id = argument_ids[0];
+
 	r_expression_result_id = begin_expression(opcode, get_id(*call.type), 2+(need_lod|need_sample)+need_lod+need_sample);
-	for(unsigned i=0; i<2; ++i)
-		writer.write(argument_ids[i]);
+	writer.write(image_id);
+	writer.write(argument_ids[1]);
 	if(need_lod || need_sample)
 	{
 		writer.write(need_lod*0x02 | need_sample*0x40);
@@ -1596,6 +1606,7 @@ void SpirVGenerator::visit(ImageTypeDeclaration &image)
 		return;
 
 	Id type_id = allocate_id(image, 0);
+	SpirVFormat format = get_format(image.format);
 
 	Id image_id = (image.sampled ? next_id++ : type_id);
 	writer.begin_op(content.globals, OP_TYPE_IMAGE, 9);
@@ -1606,7 +1617,7 @@ void SpirVGenerator::visit(ImageTypeDeclaration &image)
 	writer.write(image.array);
 	writer.write(image.multisample);
 	writer.write(image.sampled ? 1 : 2);
-	writer.write(get_format(image.format));
+	writer.write(format);
 	writer.end_op(OP_TYPE_IMAGE);
 
 	if(image.sampled)
@@ -1623,6 +1634,9 @@ void SpirVGenerator::visit(ImageTypeDeclaration &image)
 
 	if(image.multisample && !image.sampled)
 		use_capability(CAP_STORAGE_IMAGE_MULTISAMPLE);
+
+	if(format>=FORMAT_RG32F && format<=FORMAT_R8_SNORM)
+		use_capability(CAP_STORAGE_IMAGE_EXTENDED_FORMATS);
 }
 
 void SpirVGenerator::visit(StructDeclaration &strct)
@@ -1781,7 +1795,7 @@ void SpirVGenerator::visit(VariableDeclaration &var)
 			BuiltinSemantic semantic = get_builtin_semantic(var.name);
 			writer.write_op_decorate(var_id, DECO_BUILTIN, semantic);
 		}
-		if(var.sampling=="flat")
+		if(var.interpolation=="flat")
 			writer.write_op_decorate(var_id, DECO_FLAT);
 		if(var.sampling=="centroid")
 			writer.write_op_decorate(var_id, DECO_CENTROID);
@@ -1819,7 +1833,7 @@ void SpirVGenerator::visit_entry_point(FunctionDeclaration &func, Id func_id)
 	for(Node *n: dependencies)
 		if(const VariableDeclaration *var = dynamic_cast<const VariableDeclaration *>(n))
 			if(!var->interface.empty())
-				writer.write(get_id(*n));
+				writer.write(allocate_forward_id(*n));
 
 	writer.end_op(OP_ENTRY_POINT);