RetroArch/gfx/common/gl_common.c
2017-05-11 02:56:11 +02:00

84 lines
2.4 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - 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 <gfx/gl_capabilities.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include "../drivers/gl_symlinks.h"
#include "../video_coord_array.h"
static void gl_size_format(GLint* internalFormat)
{
#ifndef HAVE_PSGL
switch (*internalFormat)
{
case GL_RGB:
/* FIXME: PS3 does not support this, neither does it have GL_RGB565_OES. */
*internalFormat = GL_RGB565;
break;
case GL_RGBA:
#ifdef HAVE_OPENGLES2
*internalFormat = GL_RGBA8_OES;
#else
*internalFormat = GL_RGBA8;
#endif
break;
}
#endif
}
/* This function should only be used without mipmaps
and when data == NULL */
void gl_load_texture_image(GLenum target,
GLint level,
GLint internalFormat,
GLsizei width,
GLsizei height,
GLint border,
GLenum format,
GLenum type,
const GLvoid * data)
{
#ifndef HAVE_PSGL
#ifdef HAVE_OPENGLES2
if (gl_check_capability(GL_CAPS_TEX_STORAGE_EXT) && internalFormat != GL_BGRA_EXT)
{
gl_size_format(&internalFormat);
glTexStorage2DEXT(target, 1, internalFormat, width, height);
}
#else
if (gl_check_capability(GL_CAPS_TEX_STORAGE) && internalFormat != GL_BGRA_EXT)
{
gl_size_format(&internalFormat);
glTexStorage2D(target, 1, internalFormat, width, height);
}
#endif
else
#endif
{
#ifdef HAVE_OPENGLES
if (gl_check_capability(GL_CAPS_GLES3_SUPPORTED))
#endif
gl_size_format(&internalFormat);
glTexImage2D(target, level, internalFormat, width, height, border, format, type, data);
}
}