X-Git-Url: https://eleni.mutantstargoat.com/git/?p=demo;a=blobdiff_plain;f=src%2Fshader.h;h=abfe36420f5f3b734e4cb13d13c258ed89a06013;hp=204d0538dab6fa523af925ef1caa84c37a1156e2;hb=369d75c73bf926a6dbcf4d740c8664bbb401602a;hpb=46cc932f7ddb0c81f352bc847973dae6b327ebeb

diff --git a/src/shader.h b/src/shader.h
index 204d053..abfe364 100644
--- a/src/shader.h
+++ b/src/shader.h
@@ -1,33 +1,82 @@
 #ifndef SHADER_H_
 #define SHADER_H_
 
+#include <vector>
+#include <string>
+
+#include <gmath/gmath.h>
+
+/*
+	Shader class
+*/
+
 enum SType {
+	SDR_UNKNOWN,
 	SDR_VERTEX,
 	SDR_FRAGMENT
 };
 
 class Shader {
-private:
-	SType type;
+protected:
+	virtual bool create(char *buf, unsigned int bsz, const char *fname) = 0;
 
 public:
+	SType type;
+
 	Shader();
-	~Shader();
+	virtual ~Shader() = 0;
 
 	virtual bool load(const char *fname, SType type);
+	virtual void destroy() = 0;
+};
+
+/* Shader Program */
+
+struct Uniform {
+	int location;
+	std::string name;
+	int state_idx;
 };
 
 class ShaderProgram {
-private:
+protected:
 	Shader *shaders[2];
+	std::vector<Uniform> uniforms;
 
 public:
 	ShaderProgram();
-	virtual ~ShaderProgram() = 0;
+	virtual ~ShaderProgram();
+
+	virtual void cache_uniforms() = 0;
+
+	virtual void add_shader(Shader *sdr);
+	virtual void delete_shaders() = 0;
+
+	virtual bool create() = 0;
+	virtual bool link() = 0;
+	virtual bool use() = 0;
+	virtual void destroy() = 0;
+	virtual void attach_shader(Shader *shader) = 0;
 
-	void add_shader(Shader *sdr, SType type);
-	bool link();
-	void bind();
+	/*
+		THIS PART MIGHT NEED SEVERAL CHANGES: on vulkan we set the uniforms
+		using descriptor sets. The current design is suitable for OpenGL and
+		it *might* have to be rewritten to work with both APIs later
+	*/
+
+	virtual void set_uniformi(int location, int value) = 0;
+	virtual void set_uniformi(int location, int x, int y) = 0;
+	virtual void set_uniformi(int location, int x, int y, int z) = 0;
+	virtual void set_uniformi(int location, int x, int y, int z, int w) = 0;
+
+	virtual void set_uniformf(int location, float value) = 0;
+	virtual void set_uniformf(int location, float x, float y) = 0;
+	virtual void set_uniformf(int location, float x, float y, float z) = 0;
+	virtual void set_uniformf(int location, float x, float y, float z, float w) = 0;
+
+	virtual void set_uniform_matrix(int location, const Mat4 &mat) = 0;
 };
 
+ShaderProgram *get_current_program();
+
 #endif // SHADER_H_