chore: prepare for Vulkan

1 files changed, 46 insertions, 0 deletions

diff --git a/src/platform/vulkan/vulkan_shader.h b/src/platform/vulkan/vulkan_shader.h
new file mode 100644
index 0000000..4a46263
--- /dev/null
+++ b/src/platform/vulkan/vulkan_shader.h
@@ -0,0 +1,46 @@
+#pragma once
+
+#include "rendering/shader.h"
+
+#include <string>
+#include <unordered_map>
+
+namespace Donut 
+{
+	class VulkanShader 
+		: public Shader
+	{
+	public:
+		VulkanShader(const std::string& filepath);
+		VulkanShader(const std::string& name, const std::string& vertex_src, const std::string& fragment_src);
+		virtual ~VulkanShader();
+
+		virtual void bind()   const override;
+		virtual void unbind() const override;
+
+		virtual void set_int(const std::string& name, int value)                        override;
+		virtual void set_int_array(const std::string& name, int* values, uint32_t count) override;
+		virtual void set_float(const std::string& name, float value)                    override;
+		virtual void set_float2(const std::string& name, const glm::vec2& value)        override;
+		virtual void set_float3(const std::string& name, const glm::vec3& value)        override;
+		virtual void set_float4(const std::string& name, const glm::vec4& value)        override;
+		virtual void set_mat4(const std::string& name, const glm::mat4& value)          override;
+
+		virtual const std::string& get_name() const override { return m_name; }
+
+		void upload_uniform_int(const std::string& name, int value);
+		void upload_uniform_int_array(const std::string& name, int* values, uint32_t count);
+		void upload_uniform_float(const std::string& name, float value);
+		void upload_uniform_float2(const std::string& name, const glm::vec2& value);
+		void upload_uniform_float3(const std::string& name, const glm::vec3& value);
+		void upload_uniform_float4(const std::string& name, const glm::vec4& value);
+		void upload_uniform_mat3(const std::string& name, const glm::mat3& matrix);
+		void upload_uniform_mat4(const std::string& name, const glm::mat4& matrix);
+	private:
+		std::string read_file(const std::string& filepath);
+		std::unordered_map<uint32_t, std::string> pre_process(const std::string& source);
+		void compile(const std::unordered_map<uint32_t, std::string>& shader_sources);
+		uint32_t    m_renderer_id;
+		std::string m_name;
+	};
+};