mirror of
https://github.com/libretro/RetroArch
synced 2025-02-06 09:40:06 +00:00
130 lines
3.5 KiB
C
130 lines
3.5 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2017 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gfx/gl_capabilities.h>
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#ifdef HAVE_CONFIG_H
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#include "../../config.h"
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#endif
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#include "gl_common.h"
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static void gl_size_format(GLint* internalFormat)
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{
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#ifndef HAVE_PSGL
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switch (*internalFormat)
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{
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case GL_RGB:
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/* FIXME: PS3 does not support this, neither does it have GL_RGB565_OES. */
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*internalFormat = GL_RGB565;
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break;
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case GL_RGBA:
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#ifdef HAVE_OPENGLES2
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*internalFormat = GL_RGBA8_OES;
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#else
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*internalFormat = GL_RGBA8;
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#endif
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break;
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}
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#endif
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}
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/* This function should only be used without mipmaps
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and when data == NULL */
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void gl_load_texture_image(GLenum target,
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GLint level,
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GLint internalFormat,
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GLsizei width,
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GLsizei height,
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GLint border,
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GLenum format,
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GLenum type,
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const GLvoid * data)
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{
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#if !defined(HAVE_PSGL) && !defined(ORBIS)
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#ifdef HAVE_OPENGLES2
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if (gl_check_capability(GL_CAPS_TEX_STORAGE_EXT) && internalFormat != GL_BGRA_EXT)
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{
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gl_size_format(&internalFormat);
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glTexStorage2DEXT(target, 1, internalFormat, width, height);
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}
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#else
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if (gl_check_capability(GL_CAPS_TEX_STORAGE) && internalFormat != GL_BGRA_EXT)
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{
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gl_size_format(&internalFormat);
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glTexStorage2D(target, 1, internalFormat, width, height);
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}
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#endif
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else
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#endif
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{
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#ifdef HAVE_OPENGLES
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if (gl_check_capability(GL_CAPS_GLES3_SUPPORTED))
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#endif
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gl_size_format(&internalFormat);
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glTexImage2D(target, level, internalFormat, width,
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height, border, format, type, data);
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}
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}
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bool gl_add_lut(
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const char *lut_path,
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bool lut_mipmap,
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unsigned lut_filter,
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enum gfx_wrap_type lut_wrap_type,
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unsigned i, void *textures_data)
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{
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struct texture_image img;
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GLuint *textures_lut = (GLuint*)textures_data;
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enum texture_filter_type filter_type = TEXTURE_FILTER_LINEAR;
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img.width = 0;
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img.height = 0;
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img.pixels = NULL;
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img.supports_rgba = video_driver_supports_rgba();
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if (!image_texture_load(&img, lut_path))
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{
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RARCH_ERR("[GL]: Failed to load texture image from: \"%s\"\n",
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lut_path);
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return false;
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}
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RARCH_LOG("[GL]: Loaded texture image from: \"%s\" ...\n",
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lut_path);
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if (lut_filter == RARCH_FILTER_NEAREST)
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filter_type = TEXTURE_FILTER_NEAREST;
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if (lut_mipmap)
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{
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if (filter_type == TEXTURE_FILTER_NEAREST)
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filter_type = TEXTURE_FILTER_MIPMAP_NEAREST;
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else
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filter_type = TEXTURE_FILTER_MIPMAP_LINEAR;
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}
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gl_load_texture_data(
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textures_lut[i],
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lut_wrap_type,
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filter_type, 4,
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img.width, img.height,
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img.pixels, sizeof(uint32_t));
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image_texture_free(&img);
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return true;
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}
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