X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Fpipelinestate_backend.cpp;h=351affab103a44d38706b5763ffdb578777bcac8;hb=c1faedbdc09d000a4bff5ab33db7fabb5e835346;hp=a6a548aff42b0bee36eb0ba751f7ad3419aad5f1;hpb=370eb9e6a1e54da52047ba843e25c36be9789209;p=libs%2Fgl.git

diff --git a/source/backends/vulkan/pipelinestate_backend.cpp b/source/backends/vulkan/pipelinestate_backend.cpp
index a6a548af..351affab 100644
--- a/source/backends/vulkan/pipelinestate_backend.cpp
+++ b/source/backends/vulkan/pipelinestate_backend.cpp
@@ -77,9 +77,14 @@ void VulkanPipelineState::update() const
 		if(changed_sets)
 		{
 			descriptor_set_slots.resize(self.shprog->get_n_descriptor_sets());
+			first_changed_desc_set = descriptor_set_slots.size();
 			for(unsigned i=0; i<descriptor_set_slots.size(); ++i)
 				if(changed_sets&(1<<i))
+				{
 					descriptor_set_slots[i] = device.get_descriptor_pool().get_descriptor_set_slot(self, i);
+					first_changed_desc_set = min(first_changed_desc_set, i);
+				}
+
 			unapplied |= PipelineState::UNIFORMS;
 		}
 	}
@@ -375,7 +380,10 @@ void VulkanPipelineState::apply(VkCommandBuffer command_buffer, const VulkanPipe
 	const VulkanFunctions &vk = device.get_functions();
 
 	if(!last)
+	{
 		unapplied = ~0U;
+		first_changed_desc_set = 0;
+	}
 	else if(last!=this)
 	{
 		const PipelineState &last_ps = *static_cast<const PipelineState *>(last);
@@ -383,10 +391,11 @@ void VulkanPipelineState::apply(VkCommandBuffer command_buffer, const VulkanPipe
 			unapplied |= PipelineState::SHPROG;
 		if(self.vertex_setup!=last_ps.vertex_setup)
 			unapplied |= PipelineState::VERTEX_SETUP;
-		for(unsigned i=0; (i<descriptor_set_slots.size() && i<last->descriptor_set_slots.size()); ++i)
-			if(descriptor_set_slots[i]!=last->descriptor_set_slots[i])
+		for(unsigned i=0; i<descriptor_set_slots.size(); ++i)
+			if(i>=last->descriptor_set_slots.size() || descriptor_set_slots[i]!=last->descriptor_set_slots[i])
 			{
 				unapplied |= PipelineState::UNIFORMS;
+				first_changed_desc_set = min(first_changed_desc_set, i);
 				break;
 			}
 		if(self.viewport!=last_ps.viewport)
@@ -420,12 +429,13 @@ void VulkanPipelineState::apply(VkCommandBuffer command_buffer, const VulkanPipe
 	if((unapplied&PipelineState::UNIFORMS) && !descriptor_set_slots.empty())
 	{
 		vector<VkDescriptorSet> descriptor_set_handles;
-		descriptor_set_handles.reserve(self.descriptor_set_slots.size());
-		for(unsigned i=0; i<self.descriptor_set_slots.size(); ++i)
-			descriptor_set_handles.push_back(device.get_descriptor_pool().get_descriptor_set(self.descriptor_set_slots[i], self, i, frame));
+		descriptor_set_handles.reserve(descriptor_set_slots.size()-first_changed_desc_set);
+		for(unsigned i=first_changed_desc_set; i<descriptor_set_slots.size(); ++i)
+			descriptor_set_handles.push_back(device.get_descriptor_pool().get_descriptor_set(
+				self.descriptor_set_slots[i], self, i, frame));
 
 		vk.CmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, self.shprog->layout_handle,
-			0, descriptor_set_handles.size(), descriptor_set_handles.data(), 0, 0);
+			first_changed_desc_set, descriptor_set_handles.size(), descriptor_set_handles.data(), 0, 0);
 	}
 
 	if(unapplied&(PipelineState::VIEWPORT|PipelineState::SCISSOR))
@@ -463,6 +473,7 @@ void VulkanPipelineState::apply(VkCommandBuffer command_buffer, const VulkanPipe
 	}
 
 	unapplied = 0;
+	first_changed_desc_set = descriptor_set_slots.size();
 }
 
 } // namespace GL