mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-15 02:28:24 +00:00
78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/**
|
|
* Looking Glass
|
|
* Copyright © 2017-2024 The Looking Glass Authors
|
|
* https://looking-glass.io
|
|
*
|
|
* 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., 59
|
|
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "egltypes.h"
|
|
|
|
//typedef struct EGL_TexSetup EGL_TexSetup;
|
|
|
|
typedef struct EGL_TexFormat
|
|
{
|
|
EGL_PixelFormat pixFmt;
|
|
|
|
size_t bpp;
|
|
GLenum format;
|
|
GLenum intFormat;
|
|
GLenum dataType;
|
|
unsigned int fourcc;
|
|
|
|
size_t dataSize;
|
|
size_t width , height;
|
|
size_t stride, pitch;
|
|
}
|
|
EGL_TexFormat;
|
|
|
|
typedef struct EGL_TexBuffer
|
|
{
|
|
size_t size;
|
|
GLuint pbo;
|
|
void * map;
|
|
bool updated;
|
|
}
|
|
EGL_TexBuffer;
|
|
|
|
bool egl_texUtilGetFormat(const EGL_TexSetup * setup, EGL_TexFormat * fmt);
|
|
bool egl_texUtilGenBuffers(const EGL_TexFormat * fmt, EGL_TexBuffer * buffers,
|
|
int count);
|
|
void egl_texUtilFreeBuffers(EGL_TexBuffer * buffers, int count);
|
|
bool egl_texUtilMapBuffer(EGL_TexBuffer * buffer);
|
|
void egl_texUtilUnmapBuffer(EGL_TexBuffer * buffer);
|
|
|
|
/**
|
|
* the following comes from drm_fourcc.h and is included here to avoid the
|
|
* external dependency for the few simple defines we need
|
|
*/
|
|
#define fourcc_code(a, b, c, d) ((uint32_t)(a) | ((uint32_t)(b) << 8) | \
|
|
((uint32_t)(c) << 16) | ((uint32_t)(d) << 24))
|
|
|
|
#define DRM_FORMAT_RGB888 fourcc_code('R', 'G', '2', '4')
|
|
#define DRM_FORMAT_ARGB8888 fourcc_code('A', 'R', '2', '4')
|
|
#define DRM_FORMAT_XRGB8888 fourcc_code('X', 'R', '2', '4')
|
|
#define DRM_FORMAT_XBGR8888 fourcc_code('X', 'B', '2', '4')
|
|
#define DRM_FORMAT_XBGR2101010 fourcc_code('X', 'B', '3', '0')
|
|
#define DRM_FORMAT_XBGR16161616F fourcc_code('X', 'B', '4', 'H')
|
|
|
|
#define DRM_FORMAT_MOD_VENDOR_NONE 0
|
|
#define fourcc_mod_code(vendor, val) \
|
|
((((uint64_t)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | \
|
|
((val) & 0x00ffffffffffffffULL))
|
|
#define DRM_FORMAT_MOD_LINEAR fourcc_mod_code(NONE, 0)
|