Initial commit

src/shader.h

@@ -0,0 +1,120 @@
+/*
+** shader.h
+**
+** This file is part of mkxp.
+**
+** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
+**
+** mkxp is free software: you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation, either version 2 of the License, or
+** (at your option) any later version.
+**
+** mkxp is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with mkxp.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef SHADER_H
+#define SHADER_H
+
+#include "etc-internal.h"
+#include "gl-util.h"
+
+class FragShader
+{
+public:
+	void bind();
+	static void unbind();
+
+protected:
+	~FragShader();
+
+	void init(const unsigned char *source, int length);
+	void initFromFile(const char *filename);
+
+	void setVec4Uniform(GLint location, const Vec4 &vec);
+	void setTexUniform(GLint location, unsigned unitIndex, Tex::ID texture);
+
+	GLuint shader;
+	GLuint program;
+};
+
+class TransShader : public FragShader
+{
+public:
+	TransShader();
+
+	void setCurrentScene(Tex::ID tex);
+	void setFrozenScene(Tex::ID tex);
+	void setTransMap(Tex::ID tex);
+	void setProg(float value);
+	void setVague(float value);
+
+private:
+	GLint u_currentScene, u_frozenScene, u_transMap, u_prog, u_vague;
+};
+
+class SimpleTransShader : public FragShader
+{
+public:
+	SimpleTransShader();
+
+	void setCurrentScene(Tex::ID tex);
+	void setFrozenScene(Tex::ID tex);
+	void setProg(float value);
+
+private:
+	GLint u_currentScene, u_frozenScene, u_prog;
+};
+
+class SpriteShader : public FragShader
+{
+public:
+	SpriteShader();
+
+	void resetUniforms();
+	void setTone(const Vec4 &value);
+	void setColor(const Vec4 &value);
+	void setFlash(const Vec4 &value);
+	void setOpacity(float value);
+	void setBushDepth(float value);
+	void setBushOpacity(float value);
+
+private:
+	GLint u_tone, u_opacity, u_color, u_flash, u_bushDepth, u_bushOpacity;
+};
+
+class HueShader : public FragShader
+{
+public:
+	HueShader();
+
+	void setHueAdjust(float value);
+	void setInputTexture(Tex::ID tex);
+
+private:
+	GLint u_hueAdjust, u_inputTexture;
+};
+
+/* Bitmap blit */
+class BltShader : public FragShader
+{
+public:
+	BltShader();
+
+	void setSource();
+	void setDestination(const Tex::ID value);
+	void setDestCoorF(const Vec2 &value);
+	void setSubRect(const FloatRect &value);
+	void setOpacity(float value);
+
+private:
+	GLint u_source, u_destination, u_subRect, u_opacity;
+};
+
+#endif // SHADER_H