GLMeta: Add vertex array object support

mkxp.pro

@@ -125,7 +125,8 @@ HEADERS += \
 	src/boost-hash.h \
 	src/debugwriter.h \
 	src/gl-fun.h \
-	src/gl-meta.h
+	src/gl-meta.h \
+	src/vertex.h
 
 SOURCES += \
 	src/main.cpp \
@@ -153,7 +154,9 @@ SOURCES += \
 	src/config.cpp \
 	src/tileatlas.cpp \
 	src/sharedstate.cpp \
-	src/gl-fun.cpp
+	src/gl-fun.cpp \
+	src/gl-meta.cpp \
+	src/vertex.cpp
 
 EMBED = \
 	shader/transSimple.frag \

src/etc-internal.h

@@ -91,70 +91,6 @@ struct Vec2i
 	}
 };
 
-/* Simple Vertex */
-struct SVertex
-{
-	Vec2 pos;
-	Vec2 texPos;
-
-	static const void *posOffset()
-	{
-		return (const void*) 0;
-	}
-
-	static const void *texPosOffset()
-	{
-		return (const void*) sizeof(Vec2);
-	}
-};
-
-/* Color Vertex */
-struct CVertex
-{
-	Vec2 pos;
-	Vec4 color;
-
-	CVertex()
-	    : color(1, 1, 1, 1)
-	{}
-
-	static const void *posOffset()
-	{
-		return (const void*) 0;
-	}
-
-	static const void *colorOffset()
-	{
-		return (const void*) sizeof(Vec2);
-	}
-};
-
-struct Vertex
-{
-	Vec2 pos;
-	Vec2 texPos;
-	Vec4 color;
-
-	Vertex()
-	    : color(1, 1, 1, 1)
-	{}
-
-	static const void *posOffset()
-	{
-		return (const void*) 0;
-	}
-
-	static const void *texPosOffset()
-	{
-		return (const void*) sizeof(Vec2);
-	}
-
-	static const void *colorOffset()
-	{
-		return (const void*) sizeof(SVertex);
-	}
-};
-
 struct IntRect
 {
 	int x, y, w, h;

src/gl-fun.h

@@ -111,6 +111,7 @@ typedef void (APIENTRYP PFNGLDEBUGMESSAGECALLBACKPROC) (GLDEBUGPROC callback, co
 	/* Vertex attribute */ \
 	GL_FUN(BindAttribLocation, PFNGLBINDATTRIBLOCATIONPROC) \
 	GL_FUN(EnableVertexAttribArray, PFNGLENABLEVERTEXATTRIBARRAYPROC) \
+	GL_FUN(DisableVertexAttribArray, PFNGLDISABLEVERTEXATTRIBARRAYPROC) \
 	GL_FUN(VertexAttribPointer, PFNGLVERTEXATTRIBPOINTERPROC)
 
 #define GL_FBO_FUN \

src/gl-meta.cpp

@@ -0,0 +1,124 @@
+/*
+** gl-meta.cpp
+**
+** This file is part of mkxp.
+**
+** Copyright (C) 2014 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/>.
+*/
+
+#include "gl-meta.h"
+#include "gl-fun.h"
+
+namespace GLMeta
+{
+
+void subRectImageUpload(GLint srcW, GLint srcX, GLint srcY,
+                        GLint dstX, GLint dstY, GLsizei dstW, GLsizei dstH,
+                        SDL_Surface *src, GLenum format)
+{
+	if (gl.unpack_subimage)
+	{
+		PixelStore::setupSubImage(srcW, srcX, srcY);
+		TEX::uploadSubImage(dstX, dstY, dstW, dstH, src->pixels, format);
+	}
+	else
+	{
+		SDL_PixelFormat *form = src->format;
+		SDL_Surface *tmp = SDL_CreateRGBSurface(0, dstW, dstH, form->BitsPerPixel,
+		                                        form->Rmask, form->Gmask, form->Bmask, form->Amask);
+		SDL_Rect srcRect = { srcX, srcY, dstW, dstH };
+
+		SDL_BlitSurface(src, &srcRect, tmp, 0);
+
+		TEX::uploadSubImage(dstX, dstY, dstW, dstH, tmp->pixels, format);
+
+		SDL_FreeSurface(tmp);
+	}
+}
+
+void subRectImageFinish()
+{
+	if (gl.unpack_subimage)
+		PixelStore::reset();
+}
+
+#define HAVE_NATIVE_VAO gl.GenVertexArrays
+
+static void vaoBindRes(VAO &vao)
+{
+	VBO::bind(vao.vbo);
+	IBO::bind(vao.ibo);
+
+	for (size_t i = 0; i < vao.attrCount; ++i)
+	{
+		const VertexAttribute &va = vao.attr[i];
+
+		gl.EnableVertexAttribArray(va.index);
+		gl.VertexAttribPointer(va.index, va.size, va.type, GL_FALSE, vao.vertSize, va.offset);
+	}
+}
+
+void vaoInit(VAO &vao, bool keepBound)
+{
+	if (HAVE_NATIVE_VAO)
+	{
+		vao.vao = ::VAO::gen();
+		::VAO::bind(vao.vao);
+		vaoBindRes(vao);
+		if (!keepBound)
+			::VAO::unbind();
+	}
+	else
+	{
+		if (keepBound)
+		{
+			VBO::bind(vao.vbo);
+			IBO::bind(vao.ibo);
+		}
+	}
+}
+
+void vaoFini(VAO &vao)
+{
+	if (HAVE_NATIVE_VAO)
+		::VAO::del(vao.vao);
+}
+
+void vaoBind(VAO &vao)
+{
+	if (HAVE_NATIVE_VAO)
+		::VAO::bind(vao.vao);
+	else
+		vaoBindRes(vao);
+}
+
+void vaoUnbind(VAO &vao)
+{
+	if (HAVE_NATIVE_VAO)
+	{
+		::VAO::unbind();
+	}
+	else
+	{
+		for (size_t i = 0; i < vao.attrCount; ++i)
+			gl.DisableVertexAttribArray(vao.attr[i].index);
+
+		VBO::unbind();
+		IBO::unbind();
+	}
+}
+
+}

src/gl-meta.h

@@ -24,41 +24,45 @@
 
 #include "gl-fun.h"
 #include "gl-util.h"
+#include "vertex.h"
 
 #include <SDL_surface.h>
 
 namespace GLMeta
 {
 
-inline void subRectImageUpload(GLint srcW, GLint srcX, GLint srcY,
+/* EXT_unpack_subimage */
-                               GLint dstX, GLint dstY, GLsizei dstW, GLsizei dstH,
+void subRectImageUpload(GLint srcW, GLint srcX, GLint srcY,
-                               SDL_Surface *src, GLenum format)
+                        GLint dstX, GLint dstY, GLsizei dstW, GLsizei dstH,
+                        SDL_Surface *src, GLenum format);
+void subRectImageFinish();
+
+/* ARB_vertex_array_object */
+struct VAO
 {
-	if (gl.unpack_subimage)
+	/* Set manually, then call vaoInit() */
-	{
+	const VertexAttribute *attr;
-		PixelStore::setupSubImage(srcW, srcX, srcY);
+	size_t attrCount;
-		TEX::uploadSubImage(dstX, dstY, dstW, dstH, src->pixels, format);
+	GLsizei vertSize;
-	}
+	VBO::ID vbo;
-	else
+	IBO::ID ibo;
-	{
-		SDL_PixelFormat *form = src->format;
-		SDL_Surface *tmp = SDL_CreateRGBSurface(0, dstW, dstH, form->BitsPerPixel,
-		                                        form->Rmask, form->Gmask, form->Bmask, form->Amask);
-		SDL_Rect srcRect = { srcX, srcY, dstW, dstH };
 
-		SDL_BlitSurface(src, &srcRect, tmp, 0);
+	/* Don't touch */
+	::VAO::ID vao;
+};
 
-		TEX::uploadSubImage(dstX, dstY, dstW, dstH, tmp->pixels, format);
+template<class VertexType>
-
+inline void vaoFillInVertexData(VAO &vao)
-		SDL_FreeSurface(tmp);
+{
-	}
+	vao.attr      = VertexTraits<VertexType>::attr;
+	vao.attrCount = VertexTraits<VertexType>::attrCount;
+	vao.vertSize  = sizeof(VertexType);
 }
 
-inline void subRectImageFinish()
+void vaoInit(VAO &vao, bool keepBound = false);
-{
+void vaoFini(VAO &vao);
-	if (gl.unpack_subimage)
+void vaoBind(VAO &vao);
-		PixelStore::reset();
+void vaoUnbind(VAO &vao);
-}
 
 }
 

src/quad.h

@@ -22,8 +22,9 @@
 #ifndef QUAD_H
 #define QUAD_H
 
-#include "etc-internal.h"
+#include "vertex.h"
 #include "gl-util.h"
+#include "gl-meta.h"
 #include "sharedstate.h"
 #include "global-ibo.h"
 #include "shader.h"
@@ -32,7 +33,7 @@ struct Quad
 {
 	Vertex vert[4];
 	VBO::ID vbo;
-	VAO::ID vao;
+	GLMeta::VAO vao;
 	bool vboDirty;
 
 	static void setPosRect(CVertex *vert, const FloatRect &r)
@@ -104,33 +105,22 @@ struct Quad
 
 	Quad()
 	    : vbo(VBO::gen()),
-	      vao(VAO::gen()),
 	      vboDirty(true)
 	{
-		VAO::bind(vao);
+		GLMeta::vaoFillInVertexData<Vertex>(vao);
-		VBO::bind(vbo);
+		vao.vbo = vbo;
-		shState->bindQuadIBO();
+		vao.ibo = shState->globalIBO().ibo;
 
+		GLMeta::vaoInit(vao, true);
 		VBO::allocEmpty(sizeof(Vertex[4]), GL_DYNAMIC_DRAW);
-
+		GLMeta::vaoUnbind(vao);
-		gl.EnableVertexAttribArray(Shader::Color);
-		gl.EnableVertexAttribArray(Shader::Position);
-		gl.EnableVertexAttribArray(Shader::TexCoord);
-
-		gl.VertexAttribPointer(Shader::Color,    4, GL_FLOAT, GL_FALSE, sizeof(Vertex), Vertex::colorOffset());
-		gl.VertexAttribPointer(Shader::Position, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), Vertex::posOffset());
-		gl.VertexAttribPointer(Shader::TexCoord, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), Vertex::texPosOffset());
-
-		VAO::unbind();
-		VBO::unbind();
-		IBO::unbind();
 
 		setColor(Vec4(1, 1, 1, 1));
 	}
 
 	~Quad()
 	{
-		VAO::del(vao);
+		GLMeta::vaoFini(vao);
 		VBO::del(vbo);
 	}
 
@@ -175,9 +165,9 @@ struct Quad
 			vboDirty = false;
 		}
 
-		VAO::bind(vao);
+		GLMeta::vaoBind(vao);
 		gl.DrawElements(GL_TRIANGLES, 6, _GL_INDEX_TYPE, 0);
-		VAO::unbind();
+		GLMeta::vaoUnbind(vao);
 	}
 };
 

src/quadarray.h

@@ -22,43 +22,23 @@
 #ifndef QUADARRAY_H
 #define QUADARRAY_H
 
+#include "vertex.h"
 #include "gl-util.h"
+#include "gl-meta.h"
 #include "sharedstate.h"
 #include "global-ibo.h"
 #include "shader.h"
 
 #include <vector>
-
 #include <stdint.h>
 
-/* A small hack to get mutable QuadArray constructors */
-inline void initBufferBindings(Vertex *)
-{
-	gl.EnableVertexAttribArray(Shader::Color);
-	gl.EnableVertexAttribArray(Shader::Position);
-	gl.EnableVertexAttribArray(Shader::TexCoord);
-
-	gl.VertexAttribPointer(Shader::Color,    4, GL_FLOAT, GL_FALSE, sizeof(Vertex), Vertex::colorOffset());
-	gl.VertexAttribPointer(Shader::Position, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), Vertex::posOffset());
-	gl.VertexAttribPointer(Shader::TexCoord, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), Vertex::texPosOffset());
-}
-
-inline void initBufferBindings(SVertex *)
-{
-	gl.EnableVertexAttribArray(Shader::Position);
-	gl.EnableVertexAttribArray(Shader::TexCoord);
-
-	gl.VertexAttribPointer(Shader::Position, 2, GL_FLOAT, GL_FALSE, sizeof(SVertex), SVertex::posOffset());
-	gl.VertexAttribPointer(Shader::TexCoord, 2, GL_FLOAT, GL_FALSE, sizeof(SVertex), SVertex::texPosOffset());
-}
-
 template<class VertexType>
 struct QuadArray
 {
 	std::vector<VertexType> vertices;
 
 	VBO::ID vbo;
-	VAO::ID vao;
+	GLMeta::VAO vao;
 
 	int quadCount;
 	GLsizeiptr vboSize;
@@ -68,25 +48,18 @@ struct QuadArray
 	      vboSize(-1)
 	{
 		vbo = VBO::gen();
-		vao = VAO::gen();
 
-		VAO::bind(vao);
+		GLMeta::vaoFillInVertexData<VertexType>(vao);
-		VBO::bind(vbo);
+		vao.vbo = vbo;
-		shState->bindQuadIBO();
+		vao.ibo = shState->globalIBO().ibo;
 
-		/* Call correct implementation here via overloading */
+		GLMeta::vaoInit(vao);
-		VertexType *dummy = 0;
-		initBufferBindings(dummy);
-
-		VAO::unbind();
-		IBO::unbind();
-		VBO::unbind();
 	}
 
 	~QuadArray()
 	{
+		GLMeta::vaoFini(vao);
 		VBO::del(vbo);
-		VAO::del(vao);
 	}
 
 	void resize(int size)
@@ -129,12 +102,12 @@ struct QuadArray
 
 	void draw(size_t offset, size_t count)
 	{
-		VAO::bind(vao);
+		GLMeta::vaoBind(vao);
 
 		const char *_offset = (const char*) 0 + offset * 6 * sizeof(index_t);
 		gl.DrawElements(GL_TRIANGLES, count * 6, _GL_INDEX_TYPE, _offset);
 
-		VAO::unbind();
+		GLMeta::vaoUnbind(vao);
 	}
 
 	void draw()

src/sharedstate.cpp

@@ -42,7 +42,7 @@
 #include <string>
 
 SharedState *SharedState::instance = 0;
-static GlobalIBO *globalIBO = 0;
+static GlobalIBO *_globalIBO = 0;
 
 #define GAME_ARCHIVE "Game.rgssad"
 
@@ -153,8 +153,8 @@ void SharedState::initInstance(RGSSThreadData *threadData)
 	 * SharedState depends on GlobalIBO existing,
 	 * Font depends on SharedState existing */
 
-	globalIBO = new GlobalIBO();
+	_globalIBO = new GlobalIBO();
-	globalIBO->ensureSize(1);
+	_globalIBO->ensureSize(1);
 
 	SharedState::instance = 0;
 	Font *defaultFont = 0;
@@ -166,7 +166,7 @@ void SharedState::initInstance(RGSSThreadData *threadData)
 	}
 	catch (const Exception &exc)
 	{
-		delete globalIBO;
+		delete _globalIBO;
 		delete SharedState::instance;
 		delete defaultFont;
 
@@ -182,7 +182,7 @@ void SharedState::finiInstance()
 
 	delete SharedState::instance;
 
-	delete globalIBO;
+	delete _globalIBO;
 }
 
 void SharedState::setScreen(Scene &screen)
@@ -219,12 +219,12 @@ void SharedState::setBindingData(void *data)
 
 void SharedState::ensureQuadIBO(int minSize)
 {
-	globalIBO->ensureSize(minSize);
+	_globalIBO->ensureSize(minSize);
 }
 
-void SharedState::bindQuadIBO()
+GlobalIBO &SharedState::globalIBO()
 {
-	IBO::bind(globalIBO->ibo);
+	return *_globalIBO;
 }
 
 void SharedState::bindTex()

src/sharedstate.h

@@ -85,7 +85,7 @@ struct SharedState
 	/* Returns global quad IBO, and ensures it has indices
 	 * for at least minSize quads */
 	void ensureQuadIBO(int minSize);
-	void bindQuadIBO();
+	GlobalIBO &globalIBO();
 
 	/* Global general purpose texture */
 	void bindTex();

src/tilemap.cpp

@@ -34,6 +34,7 @@
 #include "quadarray.h"
 #include "texpool.h"
 #include "quad.h"
+#include "vertex.h"
 #include "tileatlas.h"
 
 #include <sigc++/connection.h>
@@ -282,7 +283,7 @@ struct TilemapPrivate
 	/* Shared buffers for all tiles */
 	struct
 	{
-		VAO::ID vao;
+		GLMeta::VAO vao;
 		VBO::ID vbo;
 		bool animated;
 
@@ -294,7 +295,7 @@ struct TilemapPrivate
 	/* Flash buffers */
 	struct
 	{
-		VAO::ID vao;
+		GLMeta::VAO vao;
 		VBO::ID vbo;
 		size_t quadCount;
 		uint8_t alphaIdx;
@@ -375,45 +376,24 @@ struct TilemapPrivate
 		/* Init tile buffers */
 		tiles.vbo = VBO::gen();
 
-		tiles.vao = VAO::gen();
+		GLMeta::vaoFillInVertexData<SVertex>(tiles.vao);
-		VAO::bind(tiles.vao);
+		tiles.vao.vbo = tiles.vbo;
+		tiles.vao.ibo = shState->globalIBO().ibo;
 
-		gl.EnableVertexAttribArray(Shader::Position);
+		GLMeta::vaoInit(tiles.vao);
-		gl.EnableVertexAttribArray(Shader::TexCoord);
-
-		VBO::bind(tiles.vbo);
-		shState->bindQuadIBO();
-
-		gl.VertexAttribPointer(Shader::Position, 2, GL_FLOAT, GL_FALSE, sizeof(SVertex), SVertex::posOffset());
-		gl.VertexAttribPointer(Shader::TexCoord, 2, GL_FLOAT, GL_FALSE, sizeof(SVertex), SVertex::texPosOffset());
-
-		VAO::unbind();
-		VBO::unbind();
-		IBO::unbind();
 
 		/* Init flash buffers */
 		flash.vbo = VBO::gen();
-		flash.vao = VAO::gen();
+
+		GLMeta::vaoFillInVertexData<CVertex>(flash.vao);
+		flash.vao.vbo = flash.vbo;
+		flash.vao.ibo = shState->globalIBO().ibo;
+
+		GLMeta::vaoInit(flash.vao);
+
 		flash.quadCount = 0;
 		flash.alphaIdx = 0;
 
-		VAO::bind(flash.vao);
-
-		gl.EnableVertexAttribArray(Shader::Color);
-		gl.EnableVertexAttribArray(Shader::Position);
-
-		VBO::bind(flash.vbo);
-		shState->bindQuadIBO();
-
-		gl.VertexAttribPointer(Shader::Color,    4, GL_FLOAT, GL_FALSE, sizeof(CVertex), CVertex::colorOffset());
-		gl.VertexAttribPointer(Shader::Position, 2, GL_FLOAT, GL_FALSE, sizeof(CVertex), CVertex::posOffset());
-
-		VAO::unbind();
-		VBO::unbind();
-		IBO::unbind();
-
-		elem.ground = 0;
-
 		elem.groundStamp = shState->genTimeStamp();
 		elem.scanrowStamp = shState->genTimeStamp();
 
@@ -436,11 +416,11 @@ struct TilemapPrivate
 		shState->releaseAtlasTex(atlas.gl);
 
 		/* Destroy tile buffers */
-		VAO::del(tiles.vao);
+		GLMeta::vaoFini(tiles.vao);
 		VBO::del(tiles.vbo);
 
 		/* Destroy flash buffers */
-		VAO::del(flash.vao);
+		GLMeta::vaoFini(flash.vao);
 		VBO::del(flash.vbo);
 
 		/* Disconnect signal handlers */
@@ -1099,14 +1079,16 @@ void GroundLayer::draw()
 	p->bindShader(shader);
 	p->bindAtlas(*shader);
 
-	VAO::bind(p->tiles.vao);
+	GLMeta::vaoBind(p->tiles.vao);
 
 	shader->setTranslation(p->dispPos);
 	drawInt();
 
+	GLMeta::vaoUnbind(p->tiles.vao);
+
 	if (p->flash.quadCount > 0)
 	{
-		VAO::bind(p->flash.vao);
+		GLMeta::vaoBind(p->flash.vao);
 		glState.blendMode.pushSet(BlendAddition);
 
 		FlashMapShader &shader = shState->shaders().flashMap;
@@ -1118,9 +1100,9 @@ void GroundLayer::draw()
 		drawFlashInt();
 
 		glState.blendMode.pop();
-	}
 
-	VAO::unbind();
+		GLMeta::vaoUnbind(p->flash.vao);
+	}
 }
 
 void GroundLayer::drawInt()
@@ -1169,12 +1151,12 @@ void ScanRow::draw()
 	p->bindShader(shader);
 	p->bindAtlas(*shader);
 
-	VAO::bind(p->tiles.vao);
+	GLMeta::vaoBind(p->tiles.vao);
 
 	shader->setTranslation(p->dispPos);
 	drawInt();
 
-	VAO::unbind();
+	GLMeta::vaoUnbind(p->tiles.vao);
 }
 
 void ScanRow::drawInt()

src/vertex.cpp

@@ -0,0 +1,63 @@
+/*
+** vertex.cpp
+**
+** This file is part of mkxp.
+**
+** Copyright (C) 2014 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/>.
+*/
+
+#include "vertex.h"
+
+#include <cstddef>
+
+CVertex::CVertex()
+    : color(1, 1, 1, 1)
+{}
+
+Vertex::Vertex()
+    : color(1, 1, 1, 1)
+{}
+
+#define o(type, mem) ((const GLvoid*) offsetof(type, mem))
+
+static const VertexAttribute SVertexAttribs[] =
+{
+	{ Shader::Position, 2, GL_FLOAT, o(SVertex, pos)    },
+	{ Shader::TexCoord, 2, GL_FLOAT, o(SVertex, texPos) }
+};
+
+static const VertexAttribute CVertexAttribs[] =
+{
+	{ Shader::Color,    4, GL_FLOAT, o(CVertex, color) },
+	{ Shader::Position, 2, GL_FLOAT, o(CVertex, pos)   }
+};
+
+static const VertexAttribute VertexAttribs[] =
+{
+	{ Shader::Color,    4, GL_FLOAT, o(Vertex, color)  },
+	{ Shader::Position, 2, GL_FLOAT, o(Vertex, pos)    },
+	{ Shader::TexCoord, 2, GL_FLOAT, o(Vertex, texPos) }
+};
+
+#define DEF_TRAITS(VertType) \
+	template<> \
+	const VertexAttribute *VertexTraits<VertType>::attr = VertType##Attribs; \
+	template<> \
+	const GLsizei VertexTraits<VertType>::attrCount = sizeof(VertType##Attribs) / sizeof(VertType##Attribs[0])
+
+DEF_TRAITS(SVertex);
+DEF_TRAITS(CVertex);
+DEF_TRAITS(Vertex);

src/vertex.h

@@ -0,0 +1,69 @@
+/*
+** vertex.h
+**
+** This file is part of mkxp.
+**
+** Copyright (C) 2014 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 VERTEX_H
+#define VERTEX_H
+
+#include "etc-internal.h"
+#include "gl-fun.h"
+#include "shader.h"
+
+/* Simple Vertex */
+struct SVertex
+{
+	Vec2 pos;
+	Vec2 texPos;
+};
+
+/* Color Vertex */
+struct CVertex
+{
+	Vec2 pos;
+	Vec4 color;
+
+	CVertex();
+};
+
+struct Vertex
+{
+	Vec2 pos;
+	Vec2 texPos;
+	Vec4 color;
+
+	Vertex();
+};
+
+struct VertexAttribute
+{
+	Shader::Attribute index;
+	GLint size;
+	GLenum type;
+	const GLvoid *offset;
+};
+
+template<class VertType>
+struct VertexTraits
+{
+	static const VertexAttribute *attr;
+	static const GLsizei attrCount;
+};
+
+#endif // VERTEX_H