95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
/************************************************************************
|
|
* Copyright (c) 2005-2007 tok@openlinux.org.uk *
|
|
* *
|
|
* This software is provided as-is, without any express or implied *
|
|
* warranty. In no event will the authors be held liable for any *
|
|
* damages arising from the use of this software. *
|
|
* *
|
|
* Permission is granted to anyone to use this software for any purpose, *
|
|
* including commercial applications, and to alter it and redistribute *
|
|
* it freely, subject to the following restrictions: *
|
|
* *
|
|
* 1. The origin of this software must not be misrepresented; you must *
|
|
* not claim that you wrote the original software. If you use this *
|
|
* software in a product, an acknowledgment in the product documentation *
|
|
* would be appreciated but is not required. *
|
|
* *
|
|
* 2. Altered source versions must be plainly marked as such, and must *
|
|
* not be misrepresented as being the original software. *
|
|
* *
|
|
* 3. This notice may not be removed or altered from any source *
|
|
* distribution. *
|
|
************************************************************************/
|
|
#ifndef GL_BASE_H
|
|
#define GL_BASE_H
|
|
#include <SDL_opengl.h>
|
|
|
|
namespace OpenGL {
|
|
/*
|
|
template<GLenum target>
|
|
struct TexOps
|
|
{
|
|
static GLuint create();
|
|
static void bind(GLuint id);
|
|
static void destropy(GLuint id);
|
|
};
|
|
*/
|
|
|
|
template<typename vertex_type, int entries_per_vertex>
|
|
struct Quad
|
|
{
|
|
vertex_type vertices[4][entries_per_vertex];
|
|
static const GLenum primitiveType = GL_QUADS;
|
|
};
|
|
template<typename normal_type, int entries_per_vertex>
|
|
struct QuadNormals
|
|
{
|
|
normal_type normals[4][entries_per_vertex];
|
|
};
|
|
template<typename color_type, int num_colors>
|
|
struct QuadColors
|
|
{
|
|
color_type colors[4][num_colors];
|
|
};
|
|
template<typename texcoord_type, int num_coords>
|
|
struct QuadTexCoords
|
|
{
|
|
texcoord_type texCoords[4][num_coords];
|
|
GLuint texId;
|
|
};
|
|
|
|
template<typename vertex_type, int entries_per_vertex, typename color_type, int num_colors>
|
|
struct ColoredQuad : public Quad<vertex_type, entries_per_vertex>,
|
|
public QuadColors<color_type, num_colors>
|
|
{
|
|
};
|
|
|
|
template<typename vertex_type, int entries_per_vertex, typename texcoord_type, int num_coords>
|
|
struct TexturedQuad : public Quad<vertex_type, entries_per_vertex>,
|
|
public QuadTexCoords<texcoord_type, num_coords>
|
|
{
|
|
};
|
|
|
|
typedef Quad<GLint, 2> Quad2Int;
|
|
typedef ColoredQuad<GLint, 2, GLfloat, 3> ColoredQuad2Int;
|
|
typedef TexturedQuad<GLint, 2, GLfloat, 2> FontQuad;
|
|
|
|
|
|
template<class T> class ImmediateRenderer
|
|
{
|
|
public:
|
|
static void draw(const T & t);
|
|
static void begin(GLenum type);
|
|
static void end();
|
|
protected:
|
|
static GLenum currentPrimitiveType;
|
|
static bool insideBegin;
|
|
static void assertCorrectPrimitive(GLenum newType);
|
|
};
|
|
|
|
// ugly as hell, but seems to work
|
|
#define Renderer ImmediateRenderer
|
|
|
|
}
|
|
#endif
|