Fix #105661: (Regression) Materials can use fewer images than before

Skip explicit binding location for samplers in OpenGL when not needed, since drivers can usually handle more sampler declarations this way (as long as they're not actually used by the shader).

Pull Request: blender/blender#105770
This commit is contained in:
2023-03-15 13:37:19 +01:00
parent 30e517c3ca
commit c31ba08f76

View File

@@ -360,9 +360,16 @@ static std::ostream &print_qualifier(std::ostream &os, const Qualifier &qualifie
return os;
}
static void print_resource(std::ostream &os, const ShaderCreateInfo::Resource &res)
static void print_resource(std::ostream &os,
const ShaderCreateInfo::Resource &res,
bool auto_resource_location)
{
if (GLContext::explicit_location_support) {
if (auto_resource_location && res.bind_type == ShaderCreateInfo::Resource::BindType::SAMPLER) {
/* Skip explicit binding location for samplers when not needed, since drivers can usually
* handle more sampler declarations this way (as long as they're not actually used by the
* shader). See #105661. */
}
else if (GLContext::explicit_location_support) {
os << "layout(binding = " << res.slot;
if (res.bind_type == ShaderCreateInfo::Resource::BindType::IMAGE) {
os << ", " << to_string(res.image.format);
@@ -466,14 +473,14 @@ std::string GLShader::resources_declare(const ShaderCreateInfo &info) const
ss << "\n/* Pass Resources. */\n";
for (const ShaderCreateInfo::Resource &res : info.pass_resources_) {
print_resource(ss, res);
print_resource(ss, res, info.auto_resource_location_);
}
for (const ShaderCreateInfo::Resource &res : info.pass_resources_) {
print_resource_alias(ss, res);
}
ss << "\n/* Batch Resources. */\n";
for (const ShaderCreateInfo::Resource &res : info.batch_resources_) {
print_resource(ss, res);
print_resource(ss, res, info.auto_resource_location_);
}
for (const ShaderCreateInfo::Resource &res : info.batch_resources_) {
print_resource_alias(ss, res);