1 files changed, 86 insertions, 0 deletions
diff --git a/spa/plugins/vulkan/vulkan-utils.h b/spa/plugins/vulkan/vulkan-utils.h
new file mode 100644
index 0000000..c818322
--- /dev/null
+++ b/spa/plugins/vulkan/vulkan-utils.h
@@ -0,0 +1,86 @@
+#include <vulkan/vulkan.h>
+
+#include <spa/buffer/buffer.h>
+#include <spa/node/node.h>
+
+#define MAX_STREAMS 2
+#define MAX_BUFFERS 16
+#define WORKGROUP_SIZE 32
+
+struct pixel {
+	float r, g, b, a;
+};
+
+struct push_constants {
+	float time;
+	int frame;
+	int width;
+	int height;
+};
+
+struct vulkan_buffer {
+	int fd;
+	VkImage image;
+	VkImageView view;
+	VkDeviceMemory memory;
+};
+
+struct vulkan_stream {
+	enum spa_direction direction;
+
+	uint32_t pending_buffer_id;
+	uint32_t current_buffer_id;
+	uint32_t busy_buffer_id;
+	uint32_t ready_buffer_id;
+
+	struct vulkan_buffer buffers[MAX_BUFFERS];
+	uint32_t n_buffers;
+};
+
+struct vulkan_state {
+	struct spa_log *log;
+
+	struct push_constants constants;
+
+	VkInstance instance;
+
+	VkPhysicalDevice physicalDevice;
+	VkDevice device;
+
+	VkPipeline pipeline;
+	VkPipelineLayout pipelineLayout;
+	const char *shaderName;
+	VkShaderModule computeShaderModule;
+
+	VkCommandPool commandPool;
+	VkCommandBuffer commandBuffer;
+
+	VkQueue queue;
+	uint32_t queueFamilyIndex;
+	VkFence fence;
+	unsigned int prepared:1;
+	unsigned int started:1;
+
+	VkDescriptorPool descriptorPool;
+	VkDescriptorSetLayout descriptorSetLayout;
+
+	VkSampler sampler;
+
+	uint32_t n_streams;
+	VkDescriptorSet descriptorSet;
+	struct vulkan_stream streams[MAX_STREAMS];
+};
+
+int spa_vulkan_init_stream(struct vulkan_state *s, struct vulkan_stream *stream, enum spa_direction,
+		struct spa_dict *props);
+
+int spa_vulkan_prepare(struct vulkan_state *s);
+int spa_vulkan_use_buffers(struct vulkan_state *s, struct vulkan_stream *stream, uint32_t flags,
+		uint32_t n_buffers, struct spa_buffer **buffers);
+int spa_vulkan_unprepare(struct vulkan_state *s);
+
+int spa_vulkan_start(struct vulkan_state *s);
+int spa_vulkan_stop(struct vulkan_state *s);
+int spa_vulkan_ready(struct vulkan_state *s);
+int spa_vulkan_process(struct vulkan_state *s);
+int spa_vulkan_cleanup(struct vulkan_state *s);