Brooklyn/userland/interface/khronos/egl/egl_client_config.h

/*
Copyright (c) 2012, Broadcom Europe Ltd
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
    * Neither the name of the copyright holder nor the
      names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef EGL_CLIENT_CONFIG_H
#define EGL_CLIENT_CONFIG_H

#include "interface/khronos/common/khrn_client_platform.h"

#include "interface/khronos/include/EGL/egl.h"
#include "interface/khronos/include/EGL/eglext.h"

#include "interface/khronos/common/khrn_int_image.h"

#include "interface/khronos/egl/egl_int_config.h"

#if defined(__BCM2708A0__) || defined(__BCM35230A0__)
   #define EGL_NO_ALPHA_MASK_CONFIGS
#endif

#ifdef EGL_NO_ALPHA_MASK_CONFIGS
   #define EGL_MAX_CONFIGS 25
#else
   #define EGL_MAX_CONFIGS 28
#endif

/*
   EGL_CONFIG_MIN_SWAP_INTERVAL

   Khronos config attrib name: EGL_MIN_SWAP_INTERVAL

   0 <= EGL_CONFIG_MIN_SWAP_INTERVAL <= 1
*/
#define EGL_CONFIG_MIN_SWAP_INTERVAL 0

/*
   EGL_CONFIG_MAX_SWAP_INTERVAL

   Khronos config attrib name: EGL_MAX_SWAP_INTERVAL

   1 <= EGL_CONFIG_MAX_SWAP_INTERVAL
   EGL_CONFIG_MIN_SWAP_INTERVAL <= EGL_CONFIG_MAX_SWAP_INTERVAL
*/
#define EGL_CONFIG_MAX_SWAP_INTERVAL 0x7fffffff
/*
   EGL_CONFIG_MAX_WIDTH

   Khronos config attrib name: EGL_MAX_PBUFFER_WIDTH

   EGL_CONFIG_MAX_WIDTH > 0
*/
#define EGL_CONFIG_MAX_WIDTH 2048
/*
   EGL_CONFIG_MAX_HEIGHT

   Khronos config attrib name: EGL_MAX_PBUFFER_HEIGHT

   EGL_CONFIG_MAX_HEIGHT > 0
*/
#define EGL_CONFIG_MAX_HEIGHT 2048

/*
   EGLConfig egl_config_from_id(int id)

   Converts between our internally-used index and EGLConfig (by adding 1).

   Preconditions:

   0 <= id < EGL_MAX_CONFIGS

   Postconditions:

   Return value is a valid EGLConfig
*/

static INLINE EGLConfig egl_config_from_id(int id)
{
   return (EGLConfig)(size_t)(id + 1);
}

/*
   int egl_config_to_id(EGLConfig config)

   Inverse of egl_config_from_id

   Preconditions:

   config is a valid EGLConfig

   Postconditions:

   0 <= result < EGL_MAX_CONFIGS

*/

static INLINE int egl_config_to_id(EGLConfig config)
{
   return (int)(size_t)config - 1;
}

extern void egl_config_sort(int *ids, bool use_red, bool use_green, bool use_blue, bool use_alpha);
extern bool egl_config_check_attribs(const EGLint *attrib_list, bool *use_red, bool *use_green, bool *use_blue, bool *use_alpha);
extern bool egl_config_filter(int id, const EGLint *attrib_list);
extern bool egl_config_get_attrib(int id, EGLint attrib, EGLint *value);
extern void egl_config_install_configs(int type);

extern KHRN_IMAGE_FORMAT_T egl_config_get_color_format(int id);
extern KHRN_IMAGE_FORMAT_T egl_config_get_depth_format(int id);
extern KHRN_IMAGE_FORMAT_T egl_config_get_mask_format(int id);
extern KHRN_IMAGE_FORMAT_T egl_config_get_multisample_format(int id);
extern bool egl_config_get_multisample(int id);
extern bool egl_config_bindable(int id, EGLenum format);
extern bool egl_config_match_pixmap_info(int id, KHRN_IMAGE_WRAP_T *image);
extern uint32_t egl_config_get_api_support(int id);
extern bool egl_config_bpps_match(int id0, int id1); /* bpps of all buffers match */
extern uint32_t egl_config_get_api_conformance(int id);

#if EGL_KHR_lock_surface
extern KHRN_IMAGE_FORMAT_T egl_config_get_mapped_format(int id);
extern bool egl_config_is_lockable(int id);
#endif

#endif