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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/scummsys.h"
#if defined(USE_GLES2) || defined(USE_OPENGL_SHADERS)
namespace OpenGL {
namespace BuiltinShaders {
const char *boxVertex =
"attribute vec2 position;\n"
"attribute vec2 texcoord;\n"
"uniform vec2 offsetXY;\n"
"uniform vec2 sizeWH;\n"
"uniform vec2 texcrop;\n"
"uniform bool flipY;\n"
"varying vec2 Texcoord;\n"
"void main() {\n"
"Texcoord = texcoord * texcrop;\n"
"vec2 pos = offsetXY + position * sizeWH;\n"
"pos.x = pos.x * 2.0 - 1.0;\n"
"pos.y = pos.y * 2.0 - 1.0;\n"
"if (flipY)\n"
"pos.y *= -1.0;\n"
"gl_Position = vec4(pos, 0.0, 1.0);\n"
"}\n";
const char *boxFragment =
"#ifdef GL_ES\n"
"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
"precision highp float;\n"
"#else\n"
"precision mediump float;\n"
"#endif\n"
"#endif\n"
"varying vec2 Texcoord;\n"
"uniform sampler2D tex;\n"
"void main() {\n"
"gl_FragColor = texture2D(tex, Texcoord);\n"
"}\n";
}
} // End of namespace OpenGL
#endif
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