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/****************************************************************************
*
* Copyright 2012 - 2020 Vivante Corporation, Santa Clara, California.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* 'Software'), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VIVANTE AND/OR ITS SUPPLIERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*****************************************************************************/
#include "elm_precom.h"
#include "elm_os.h"
#include "vg_lite_os.h"
#if (VG_RENDER_TEXT==1)
#include "elm_text.h"
#endif /* VG_RENDER_TEXT */
/* Prototypes */
static int _initialize_elm(uint32_t width, uint32_t height);
/* Initialize vg_lite related. */
static int _initialize_vglite(int32_t width, int32_t height)
{
vg_lite_error_t error = VG_LITE_SUCCESS;
error = vg_lite_init(width, height);
return (error == VG_LITE_SUCCESS);
}
/* Initialize elm global objects. */
static int _initialize_elm(uint32_t width, uint32_t height)
{
vg_lite_error_t error;
elm_tls_t* elm_tls;
elm_tls = (elm_tls_t *)elm_os_get_tls();
if (elm_tls == NULL) {
elm_tls = (elm_tls_t *)vg_lite_os_malloc(sizeof(elm_tls_t));
error = elm_os_set_tls((void *) elm_tls);
if(error != VG_LITE_SUCCESS)
return error;
}
int i;
elm_tls->gContext.version = VERSION;
elm_tls->gContext.currentHandle = (ELM_NULL_HANDLE + 1); /* Reserve handle 0 for error */
elm_tls->gContext.objectCount = 0;
elm_tls->gContext.tessellation_width = width;
elm_tls->gContext.tessellation_height = height;
elm_tls->gContext.vector_id = -1;
for (i = 0; i < SLOT_COUNT; i++) {
elm_tls->gContext.object_slots[i] = NULL;
}
#if (RTOS && DDRLESS) || BAREMETAL
for (i = 0; i < sizeof(elm_tls->gContext.objmap_ebo) / 4; i++) {
elm_tls->gContext.objmap_ebo[i] = 0;
}
for (i = 0; i < sizeof(elm_tls->gContext.objmap_evo) / 4; i++) {
elm_tls->gContext.objmap_evo[i] = 0;
}
for (i = 0; i < sizeof(elm_tls->gContext.objmap_group) / 4; i++) {
elm_tls->gContext.objmap_group[i] = 0;
}
for (i = 0; i < sizeof(elm_tls->gContext.objmap_grad) / 4; i++) {
elm_tls->gContext.objmap_grad[i] = 0;
}
elm_tls->gContext.objcounter_grad = 0;
elm_tls->gContext.objcounter_evo = 0;
elm_tls->gContext.objcounter_ebo = 0;
elm_tls->gContext.objcounter_group = 0;
#endif
return 1;
}
/* Terminate vg_lite related. */
static void _terminate_vglite(void)
{
vg_lite_close();
}
/* Terminate elm global objects. */
static void _terminate_elm(void)
{
#if (VG_RENDER_TEXT==1)
_release_default_text_parameters();
#endif
elm_os_reset_tls();
}
/*!
@abstract Initialize Elementary context.
@discussion
It should be called as the first function of Elemenatary libary, which initializes the library. Currently
Elementary library doesn't support context concept, neigher multi-threading. Elementary library defines
origin of coordinate system is at top-left.
@param none
@return none
*/
BOOL ElmInitialize(uint32_t width, uint32_t height)
{
BOOL result = TRUE;
do {
result = _initialize_vglite((int32_t)width, (int32_t)height);
if (!result)
break;
result = _initialize_elm(width, height);
if (!result)
break;
}
while (0);
#if (VG_RENDER_TEXT==1)
initialize_elm_text();
#endif /* VG_RENDER_TEXT */
return result;
}
/*!
@abstract Terminate Elementary context.
@discussion
This should be called when an app exits. It frees all the resource.
@param none
@return none
*/
void ElmTerminate(void)
{
_terminate_elm();
_terminate_vglite();
}
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