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