vulkan: modify descriptor set allocation

Setting the size of each descriptor pool to one
was a hack introduced to make the code work on android.
Changing the code to now allocate all descriptor sets at once
should fix the previous crash.
Not tested yet.

src/modules/graphics/vulkan/Shader.h

@@ -12,6 +12,7 @@
 #include <memory>
 #include <iostream>
 #include <unordered_map>
+#include <queue>
 
 
 namespace love {
@@ -88,7 +89,7 @@ private:
 	// that gets dynamically increased if more memory is needed
 	std::vector<std::vector<StreamBuffer*>> streamBuffers;
 	std::vector<VkDescriptorPool> descriptorPools;
-	uint32_t currentAllocatedDescriptorSets;
+	std::queue<VkDescriptorSet> freeDescriptorSets;
 	std::vector<std::vector<VkDescriptorSet>> descriptorSetsVector;
 
 	std::vector<VkPipelineShaderStageCreateInfo> shaderStages;