RetroArch/gfx/common/gl_common.c
2016-09-08 08:15:40 +02:00

52 lines
1.8 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2016 - Daniel De Matteis
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <gfx/math/matrix_4x4.h>
#include "../drivers/gl_capabilities.h"
#include "../video_coord_array.h"
void gl_ff_vertex(const struct video_coords *coords)
{
#ifndef NO_GL_FF_VERTEX
/* Fall back to fixed function-style if needed and possible. */
glClientActiveTexture(GL_TEXTURE1);
glTexCoordPointer(2, GL_FLOAT, 0, coords->lut_tex_coord);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glClientActiveTexture(GL_TEXTURE0);
glVertexPointer(2, GL_FLOAT, 0, coords->vertex);
glEnableClientState(GL_VERTEX_ARRAY);
glColorPointer(4, GL_FLOAT, 0, coords->color);
glEnableClientState(GL_COLOR_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, coords->tex_coord);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
#endif
}
void gl_ff_matrix(const math_matrix_4x4 *mat)
{
#ifndef NO_GL_FF_MATRIX
math_matrix_4x4 ident;
/* Fall back to fixed function-style if needed and possible. */
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(mat->data);
glMatrixMode(GL_MODELVIEW);
matrix_4x4_identity(&ident);
glLoadMatrixf(ident.data);
#endif
}