libgui/source/video/shaders/Shader.h
2017-10-29 10:28:14 +01:00

75 lines
2.3 KiB
C++

/****************************************************************************
* Copyright (C) 2015 Dimok
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#ifndef SHADER_H_
#define SHADER_H_
#include "glm/glm.hpp"
#include "glm/gtc/matrix_transform.hpp"
#include <dynamic_libs/gx2_functions.h>
#include <utils/utils.h>
class Shader
{
protected:
Shader() {}
virtual ~Shader() {}
public:
static const u16 cuVertexAttrSize = sizeof(f32) * 3;
static const u16 cuTexCoordAttrSize = sizeof(f32) * 2;
static const u16 cuColorAttrSize = sizeof(u8) * 4;
static void setLineWidth(const f32 & width) {
GX2SetLineWidth(width);
}
static void draw(s32 primitive = GX2_PRIMITIVE_QUADS, u32 vtxCount = 4)
{
switch(primitive)
{
default:
case GX2_PRIMITIVE_QUADS:
{
GX2DrawEx(GX2_PRIMITIVE_QUADS, vtxCount, 0, 1);
break;
}
case GX2_PRIMITIVE_TRIANGLES:
{
GX2DrawEx(GX2_PRIMITIVE_TRIANGLES, vtxCount, 0, 1);
break;
}
case GX2_PRIMITIVE_TRIANGLE_FAN:
{
GX2DrawEx(GX2_PRIMITIVE_TRIANGLE_FAN, vtxCount, 0, 1);
break;
}
case GX2_PRIMITIVE_LINES:
{
GX2DrawEx(GX2_PRIMITIVE_LINES, vtxCount, 0, 1);
break;
}
case GX2_PRIMITIVE_LINE_STRIP:
{
GX2DrawEx(GX2_PRIMITIVE_LINE_STRIP, vtxCount, 0, 1);
break;
}
//! TODO: add other primitives later
};
}
};
#endif // SHADER_H_