minuitwrp/graphics_overlay.c - android_bootable_recovery - Gitiles

 /*
  * Copyright (c) 2013, The Linux Foundation. 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 Linux Foundation 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 "AS IS" AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
 */

 #include <stdbool.h>
 #include <stdlib.h>
 #include <unistd.h>

 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>

 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <sys/types.h>

 #include <linux/fb.h>
 #include <linux/kd.h>

 #ifdef MSM_BSP
 #include <linux/msm_mdp.h>
 #include <linux/msm_ion.h>
 #endif

 #include <pixelflinger/pixelflinger.h>

 #include "minui.h"

 #define MDP_V4_0 400

 #ifdef MSM_BSP
 #define ALIGN(x, align) (((x) + ((align)-1)) & ~((align)-1))

 typedef struct {
     unsigned char *mem_buf;
     int size;
     int ion_fd;
     int mem_fd;
     struct ion_handle_data handle_data;
 } memInfo;

 //Left and right overlay id
 static int overlayL_id = MSMFB_NEW_REQUEST;
 static int overlayR_id = MSMFB_NEW_REQUEST;

 static memInfo mem_info;

 static int map_mdp_pixel_format()
 {
     int format = MDP_RGB_565;
 #if defined(RECOVERY_BGRA)
     format = MDP_BGRA_8888;
 #elif defined(RECOVERY_RGBA)
     format = MDP_RGBA_8888;
 #elif defined(RECOVERY_RGBX)
     format = MDP_RGBA_8888;
 #endif
     return format;
 }

 static bool overlay_supported = false;
 static bool isMDP5 = false;

 bool target_has_overlay(char *version)
 {
     int mdp_version;

     if (strlen(version) >= 8) {
         if(!strncmp(version, "msmfb", strlen("msmfb"))) {
             char str_ver[4];
             memcpy(str_ver, version + strlen("msmfb"), 3);
             str_ver[3] = '\0';
             mdp_version = atoi(str_ver);
             if (mdp_version >= MDP_V4_0) {
                 overlay_supported = true;
             }
         } else if (!strncmp(version, "mdssfb", strlen("mdssfb"))) {
             overlay_supported = true;
             isMDP5 = true;
         }
     }
     if (overlay_supported) printf("Using qcomm overlay\n");
     return overlay_supported;
 }

 bool isTargetMdp5()
 {
     if (isMDP5)
         return true;

     return false;
 }

 int free_ion_mem(void) {
     if (!overlay_supported)
         return -EINVAL;

     int ret = 0;

     if (mem_info.mem_buf)
         munmap(mem_info.mem_buf, mem_info.size);

     if (mem_info.ion_fd >= 0) {
         ret = ioctl(mem_info.ion_fd, ION_IOC_FREE, &mem_info.handle_data);
         if (ret < 0)
             perror("free_mem failed ");
     }

     if (mem_info.mem_fd >= 0)
         close(mem_info.mem_fd);
     if (mem_info.ion_fd >= 0)
         close(mem_info.ion_fd);

     memset(&mem_info, 0, sizeof(mem_info));
     mem_info.mem_fd = -1;
     mem_info.ion_fd = -1;
     return 0;
 }

 int alloc_ion_mem(unsigned int size)
 {
     if (!overlay_supported)
         return -EINVAL;
     int result;
     struct ion_fd_data fd_data;
     struct ion_allocation_data ionAllocData;

     mem_info.ion_fd = open("/dev/ion", O_RDWR|O_DSYNC);
     if (mem_info.ion_fd < 0) {
         perror("ERROR: Can't open ion ");
         return -errno;
     }

     ionAllocData.flags = 0;
     ionAllocData.len = size;
     ionAllocData.align = sysconf(_SC_PAGESIZE);
 #ifdef NEW_ION_HEAP
     ionAllocData.heap_id_mask =
 #else
     ionAllocData.heap_mask =
 #endif
             ION_HEAP(ION_IOMMU_HEAP_ID) |
             ION_HEAP(ION_SYSTEM_CONTIG_HEAP_ID);

     result = ioctl(mem_info.ion_fd, ION_IOC_ALLOC,  &ionAllocData);
     if(result){
         perror("ION_IOC_ALLOC Failed ");
         close(mem_info.ion_fd);
         return result;
     }

     fd_data.handle = ionAllocData.handle;
     mem_info.handle_data.handle = ionAllocData.handle;
     result = ioctl(mem_info.ion_fd, ION_IOC_MAP, &fd_data);
     if (result) {
         perror("ION_IOC_MAP Failed ");
         free_ion_mem();
         return result;
     }
     mem_info.mem_buf = (unsigned char *)mmap(NULL, size, PROT_READ |
                 PROT_WRITE, MAP_SHARED, fd_data.fd, 0);
     mem_info.mem_fd = fd_data.fd;

     if (!mem_info.mem_buf) {
         perror("ERROR: mem_buf MAP_FAILED ");
         free_ion_mem();
         return -ENOMEM;
     }

     return 0;
 }

 int allocate_overlay(int fd, GGLSurface gr_fb[])
 {
     int ret = 0;

     if (!overlay_supported)
         return -EINVAL;

     if (!isDisplaySplit()) {
         // Check if overlay is already allocated
         if (MSMFB_NEW_REQUEST == overlayL_id) {
             struct mdp_overlay overlayL;

             memset(&overlayL, 0 , sizeof (struct mdp_overlay));

             /* Fill Overlay Data */
             overlayL.src.width  = ALIGN(gr_fb[0].width, 32);
             overlayL.src.height = gr_fb[0].height;
             overlayL.src.format = map_mdp_pixel_format();
             overlayL.src_rect.w = gr_fb[0].width;
             overlayL.src_rect.h = gr_fb[0].height;
             overlayL.dst_rect.w = gr_fb[0].width;
             overlayL.dst_rect.h = gr_fb[0].height;
             overlayL.alpha = 0xFF;
             overlayL.transp_mask = MDP_TRANSP_NOP;
             overlayL.id = MSMFB_NEW_REQUEST;
             ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayL);
             if (ret < 0) {
                 perror("Overlay Set Failed");
                 return ret;
             }
             overlayL_id = overlayL.id;
         }
     } else {
         float xres = getFbXres();
         int lSplit = getLeftSplit();
         float lSplitRatio = lSplit / xres;
         float lCropWidth = gr_fb[0].width * lSplitRatio;
         int lWidth = lSplit;
         int rWidth = gr_fb[0].width - lSplit;
         int height = gr_fb[0].height;

         if (MSMFB_NEW_REQUEST == overlayL_id) {

             struct mdp_overlay overlayL;

             memset(&overlayL, 0 , sizeof (struct mdp_overlay));

             /* Fill OverlayL Data */
             overlayL.src.width  = ALIGN(gr_fb[0].width, 32);
             overlayL.src.height = gr_fb[0].height;
             overlayL.src.format = map_mdp_pixel_format();
             overlayL.src_rect.x = 0;
             overlayL.src_rect.y = 0;
             overlayL.src_rect.w = lCropWidth;
             overlayL.src_rect.h = gr_fb[0].height;
             overlayL.dst_rect.x = 0;
             overlayL.dst_rect.y = 0;
             overlayL.dst_rect.w = lWidth;
             overlayL.dst_rect.h = height;
             overlayL.alpha = 0xFF;
             overlayL.transp_mask = MDP_TRANSP_NOP;
             overlayL.id = MSMFB_NEW_REQUEST;
             ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayL);
             if (ret < 0) {
                 perror("OverlayL Set Failed");
                 return ret;
             }
             overlayL_id = overlayL.id;
         }
         if (MSMFB_NEW_REQUEST == overlayR_id) {
             struct mdp_overlay overlayR;

             memset(&overlayR, 0 , sizeof (struct mdp_overlay));

             /* Fill OverlayR Data */
             overlayR.src.width  = ALIGN(gr_fb[0].width, 32);
             overlayR.src.height = gr_fb[0].height;
             overlayR.src.format = map_mdp_pixel_format();
             overlayR.src_rect.x = lCropWidth;
             overlayR.src_rect.y = 0;
             overlayR.src_rect.w = gr_fb[0].width - lCropWidth;
             overlayR.src_rect.h = gr_fb[0].height;
             overlayR.dst_rect.x = 0;
             overlayR.dst_rect.y = 0;
             overlayR.dst_rect.w = rWidth;
             overlayR.dst_rect.h = height;
             overlayR.alpha = 0xFF;
             overlayR.flags = MDSS_MDP_RIGHT_MIXER;
             overlayR.transp_mask = MDP_TRANSP_NOP;
             overlayR.id = MSMFB_NEW_REQUEST;
             ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayR);
             if (ret < 0) {
                 perror("OverlayR Set Failed");
                 return ret;
             }
             overlayR_id = overlayR.id;
         }

     }
     return 0;
 }

 int free_overlay(int fd)
 {
     if (!overlay_supported)
         return -EINVAL;

     int ret = 0;
     struct mdp_display_commit ext_commit;

     if (!isDisplaySplit()) {
         if (overlayL_id != MSMFB_NEW_REQUEST) {
             ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayL_id);
             if (ret) {
                 perror("Overlay Unset Failed");
                 overlayL_id = MSMFB_NEW_REQUEST;
                 return ret;
             }
         }
     } else {

         if (overlayL_id != MSMFB_NEW_REQUEST) {
             ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayL_id);
             if (ret) {
                 perror("OverlayL Unset Failed");
                 overlayL_id = MSMFB_NEW_REQUEST;
                 return ret;
             }
         }

         if (overlayR_id != MSMFB_NEW_REQUEST) {
             ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayR_id);
             if (ret) {
                 perror("OverlayR Unset Failed");
                 overlayR_id = MSMFB_NEW_REQUEST;
                 return ret;
             }
         }
     }
     memset(&ext_commit, 0, sizeof(struct mdp_display_commit));
     ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
     ext_commit.wait_for_finish = 1;
     ret = ioctl(fd, MSMFB_DISPLAY_COMMIT, &ext_commit);
     if (ret < 0) {
         perror("ERROR: Clear MSMFB_DISPLAY_COMMIT failed!");
         overlayL_id = MSMFB_NEW_REQUEST;
         overlayR_id = MSMFB_NEW_REQUEST;
         return ret;
     }
     overlayL_id = MSMFB_NEW_REQUEST;
     overlayR_id = MSMFB_NEW_REQUEST;

     return 0;
 }

 int overlay_display_frame(int fd, GGLubyte* data, size_t size)
 {
     if (!overlay_supported)
         return -EINVAL;

     int ret = 0;
     struct msmfb_overlay_data ovdataL, ovdataR;
     struct mdp_display_commit ext_commit;

     if (!isDisplaySplit()) {
         if (overlayL_id == MSMFB_NEW_REQUEST) {
             perror("display_frame failed, no overlay\n");
             return -EINVAL;
         }

         memcpy(mem_info.mem_buf, data, size);

         memset(&ovdataL, 0, sizeof(struct msmfb_overlay_data));

         ovdataL.id = overlayL_id;
         ovdataL.data.flags = 0;
         ovdataL.data.offset = 0;
         ovdataL.data.memory_id = mem_info.mem_fd;
         ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataL);
         if (ret < 0) {
             perror("overlay_display_frame failed, overlay play Failed\n");
             return ret;
         }
     } else {

         if (overlayL_id == MSMFB_NEW_REQUEST) {
             perror("display_frame failed, no overlayL \n");
             return -EINVAL;
         }

         memcpy(mem_info.mem_buf, data, size);

         memset(&ovdataL, 0, sizeof(struct msmfb_overlay_data));

         ovdataL.id = overlayL_id;
         ovdataL.data.flags = 0;
         ovdataL.data.offset = 0;
         ovdataL.data.memory_id = mem_info.mem_fd;
         ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataL);
         if (ret < 0) {
             perror("overlay_display_frame failed, overlayL play Failed\n");
             return ret;
         }

         if (overlayR_id == MSMFB_NEW_REQUEST) {
             perror("display_frame failed, no overlayR \n");
             return -EINVAL;
         }
         memset(&ovdataR, 0, sizeof(struct msmfb_overlay_data));

         ovdataR.id = overlayR_id;
         ovdataR.data.flags = 0;
         ovdataR.data.offset = 0;
         ovdataR.data.memory_id = mem_info.mem_fd;
         ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataR);
         if (ret < 0) {
             perror("overlay_display_frame failed, overlayR play Failed\n");
             return ret;
         }
     }
     memset(&ext_commit, 0, sizeof(struct mdp_display_commit));
     ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
     ext_commit.wait_for_finish = 1;
     ret = ioctl(fd, MSMFB_DISPLAY_COMMIT, &ext_commit);
     if (ret < 0) {
         perror("overlay_display_frame failed, overlay commit Failed\n!");
     }

     return ret;
 }

 #else

 bool target_has_overlay(char *version) {
     return false;
 }

 bool isTargetMdp5() {
     return false;
 }

 int free_ion_mem(void) {
     return -EINVAL;
 }

 int alloc_ion_mem(unsigned int size)
 {
     return -EINVAL;
 }

 int allocate_overlay(int fd, GGLSurface gr_fb[])
 {
     return -EINVAL;
 }

 int free_overlay(int fd)
 {
     return -EINVAL;
 }

 int overlay_display_frame(int fd, GGLubyte* data, size_t size)
 {
     return -EINVAL;
 }

 #endif //#ifdef MSM_BSP
	/*
	* Copyright (c) 2013, The Linux Foundation. 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 Linux Foundation 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 "AS IS" AND ANY EXPRESS OR IMPLIED
	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
	*/

	#include <stdbool.h>
	#include <stdlib.h>
	#include <unistd.h>

	#include <errno.h>
	#include <fcntl.h>
	#include <stdio.h>

	#include <sys/ioctl.h>
	#include <sys/mman.h>
	#include <sys/types.h>

	#include <linux/fb.h>
	#include <linux/kd.h>

	#ifdef MSM_BSP
	#include <linux/msm_mdp.h>
	#include <linux/msm_ion.h>
	#endif

	#include <pixelflinger/pixelflinger.h>

	#include "minui.h"

	#define MDP_V4_0 400

	#ifdef MSM_BSP
	#define ALIGN(x, align) (((x) + ((align)-1)) & ~((align)-1))

	typedef struct {
	unsigned char *mem_buf;
	int size;
	int ion_fd;
	int mem_fd;
	struct ion_handle_data handle_data;
	} memInfo;

	//Left and right overlay id
	static int overlayL_id = MSMFB_NEW_REQUEST;
	static int overlayR_id = MSMFB_NEW_REQUEST;

	static memInfo mem_info;

	static int map_mdp_pixel_format()
	{
	int format = MDP_RGB_565;
	#if defined(RECOVERY_BGRA)
	format = MDP_BGRA_8888;
	#elif defined(RECOVERY_RGBA)
	format = MDP_RGBA_8888;
	#elif defined(RECOVERY_RGBX)
	format = MDP_RGBA_8888;
	#endif
	return format;
	}

	static bool overlay_supported = false;
	static bool isMDP5 = false;

	bool target_has_overlay(char *version)
	{
	int mdp_version;

	if (strlen(version) >= 8) {
	if(!strncmp(version, "msmfb", strlen("msmfb"))) {
	char str_ver[4];
	memcpy(str_ver, version + strlen("msmfb"), 3);
	str_ver[3] = '\0';
	mdp_version = atoi(str_ver);
	if (mdp_version >= MDP_V4_0) {
	overlay_supported = true;
	}
	} else if (!strncmp(version, "mdssfb", strlen("mdssfb"))) {
	overlay_supported = true;
	isMDP5 = true;
	}
	}
	if (overlay_supported) printf("Using qcomm overlay\n");
	return overlay_supported;
	}

	bool isTargetMdp5()
	{
	if (isMDP5)
	return true;

	return false;
	}

	int free_ion_mem(void) {
	if (!overlay_supported)
	return -EINVAL;

	int ret = 0;

	if (mem_info.mem_buf)
	munmap(mem_info.mem_buf, mem_info.size);

	if (mem_info.ion_fd >= 0) {
	ret = ioctl(mem_info.ion_fd, ION_IOC_FREE, &mem_info.handle_data);
	if (ret < 0)
	perror("free_mem failed ");
	}

	if (mem_info.mem_fd >= 0)
	close(mem_info.mem_fd);
	if (mem_info.ion_fd >= 0)
	close(mem_info.ion_fd);

	memset(&mem_info, 0, sizeof(mem_info));
	mem_info.mem_fd = -1;
	mem_info.ion_fd = -1;
	return 0;
	}

	int alloc_ion_mem(unsigned int size)
	{
	if (!overlay_supported)
	return -EINVAL;
	int result;
	struct ion_fd_data fd_data;
	struct ion_allocation_data ionAllocData;

	mem_info.ion_fd = open("/dev/ion", O_RDWR\|O_DSYNC);
	if (mem_info.ion_fd < 0) {
	perror("ERROR: Can't open ion ");
	return -errno;
	}

	ionAllocData.flags = 0;
	ionAllocData.len = size;
	ionAllocData.align = sysconf(_SC_PAGESIZE);
	#ifdef NEW_ION_HEAP
	ionAllocData.heap_id_mask =
	#else
	ionAllocData.heap_mask =
	#endif
	ION_HEAP(ION_IOMMU_HEAP_ID) \|
	ION_HEAP(ION_SYSTEM_CONTIG_HEAP_ID);

	result = ioctl(mem_info.ion_fd, ION_IOC_ALLOC, &ionAllocData);
	if(result){
	perror("ION_IOC_ALLOC Failed ");
	close(mem_info.ion_fd);
	return result;
	}

	fd_data.handle = ionAllocData.handle;
	mem_info.handle_data.handle = ionAllocData.handle;
	result = ioctl(mem_info.ion_fd, ION_IOC_MAP, &fd_data);
	if (result) {
	perror("ION_IOC_MAP Failed ");
	free_ion_mem();
	return result;
	}
	mem_info.mem_buf = (unsigned char *)mmap(NULL, size, PROT_READ \|
	PROT_WRITE, MAP_SHARED, fd_data.fd, 0);
	mem_info.mem_fd = fd_data.fd;

	if (!mem_info.mem_buf) {
	perror("ERROR: mem_buf MAP_FAILED ");
	free_ion_mem();
	return -ENOMEM;
	}

	return 0;
	}

	int allocate_overlay(int fd, GGLSurface gr_fb[])
	{
	int ret = 0;

	if (!overlay_supported)
	return -EINVAL;

	if (!isDisplaySplit()) {
	// Check if overlay is already allocated
	if (MSMFB_NEW_REQUEST == overlayL_id) {
	struct mdp_overlay overlayL;

	memset(&overlayL, 0 , sizeof (struct mdp_overlay));

	/* Fill Overlay Data */
	overlayL.src.width = ALIGN(gr_fb[0].width, 32);
	overlayL.src.height = gr_fb[0].height;
	overlayL.src.format = map_mdp_pixel_format();
	overlayL.src_rect.w = gr_fb[0].width;
	overlayL.src_rect.h = gr_fb[0].height;
	overlayL.dst_rect.w = gr_fb[0].width;
	overlayL.dst_rect.h = gr_fb[0].height;
	overlayL.alpha = 0xFF;
	overlayL.transp_mask = MDP_TRANSP_NOP;
	overlayL.id = MSMFB_NEW_REQUEST;
	ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayL);
	if (ret < 0) {
	perror("Overlay Set Failed");
	return ret;
	}
	overlayL_id = overlayL.id;
	}
	} else {
	float xres = getFbXres();
	int lSplit = getLeftSplit();
	float lSplitRatio = lSplit / xres;
	float lCropWidth = gr_fb[0].width * lSplitRatio;
	int lWidth = lSplit;
	int rWidth = gr_fb[0].width - lSplit;
	int height = gr_fb[0].height;

	if (MSMFB_NEW_REQUEST == overlayL_id) {

	struct mdp_overlay overlayL;

	memset(&overlayL, 0 , sizeof (struct mdp_overlay));

	/* Fill OverlayL Data */
	overlayL.src.width = ALIGN(gr_fb[0].width, 32);
	overlayL.src.height = gr_fb[0].height;
	overlayL.src.format = map_mdp_pixel_format();
	overlayL.src_rect.x = 0;
	overlayL.src_rect.y = 0;
	overlayL.src_rect.w = lCropWidth;
	overlayL.src_rect.h = gr_fb[0].height;
	overlayL.dst_rect.x = 0;
	overlayL.dst_rect.y = 0;
	overlayL.dst_rect.w = lWidth;
	overlayL.dst_rect.h = height;
	overlayL.alpha = 0xFF;
	overlayL.transp_mask = MDP_TRANSP_NOP;
	overlayL.id = MSMFB_NEW_REQUEST;
	ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayL);
	if (ret < 0) {
	perror("OverlayL Set Failed");
	return ret;
	}
	overlayL_id = overlayL.id;
	}
	if (MSMFB_NEW_REQUEST == overlayR_id) {
	struct mdp_overlay overlayR;

	memset(&overlayR, 0 , sizeof (struct mdp_overlay));

	/* Fill OverlayR Data */
	overlayR.src.width = ALIGN(gr_fb[0].width, 32);
	overlayR.src.height = gr_fb[0].height;
	overlayR.src.format = map_mdp_pixel_format();
	overlayR.src_rect.x = lCropWidth;
	overlayR.src_rect.y = 0;
	overlayR.src_rect.w = gr_fb[0].width - lCropWidth;
	overlayR.src_rect.h = gr_fb[0].height;
	overlayR.dst_rect.x = 0;
	overlayR.dst_rect.y = 0;
	overlayR.dst_rect.w = rWidth;
	overlayR.dst_rect.h = height;
	overlayR.alpha = 0xFF;
	overlayR.flags = MDSS_MDP_RIGHT_MIXER;
	overlayR.transp_mask = MDP_TRANSP_NOP;
	overlayR.id = MSMFB_NEW_REQUEST;
	ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayR);
	if (ret < 0) {
	perror("OverlayR Set Failed");
	return ret;
	}
	overlayR_id = overlayR.id;
	}

	}
	return 0;
	}

	int free_overlay(int fd)
	{
	if (!overlay_supported)
	return -EINVAL;

	int ret = 0;
	struct mdp_display_commit ext_commit;

	if (!isDisplaySplit()) {
	if (overlayL_id != MSMFB_NEW_REQUEST) {
	ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayL_id);
	if (ret) {
	perror("Overlay Unset Failed");
	overlayL_id = MSMFB_NEW_REQUEST;
	return ret;
	}
	}
	} else {

	if (overlayL_id != MSMFB_NEW_REQUEST) {
	ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayL_id);
	if (ret) {
	perror("OverlayL Unset Failed");
	overlayL_id = MSMFB_NEW_REQUEST;
	return ret;
	}
	}

	if (overlayR_id != MSMFB_NEW_REQUEST) {
	ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayR_id);
	if (ret) {
	perror("OverlayR Unset Failed");
	overlayR_id = MSMFB_NEW_REQUEST;
	return ret;
	}
	}
	}
	memset(&ext_commit, 0, sizeof(struct mdp_display_commit));
	ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
	ext_commit.wait_for_finish = 1;
	ret = ioctl(fd, MSMFB_DISPLAY_COMMIT, &ext_commit);
	if (ret < 0) {
	perror("ERROR: Clear MSMFB_DISPLAY_COMMIT failed!");
	overlayL_id = MSMFB_NEW_REQUEST;
	overlayR_id = MSMFB_NEW_REQUEST;
	return ret;
	}
	overlayL_id = MSMFB_NEW_REQUEST;
	overlayR_id = MSMFB_NEW_REQUEST;

	return 0;
	}

	int overlay_display_frame(int fd, GGLubyte* data, size_t size)
	{
	if (!overlay_supported)
	return -EINVAL;

	int ret = 0;
	struct msmfb_overlay_data ovdataL, ovdataR;
	struct mdp_display_commit ext_commit;

	if (!isDisplaySplit()) {
	if (overlayL_id == MSMFB_NEW_REQUEST) {
	perror("display_frame failed, no overlay\n");
	return -EINVAL;
	}

	memcpy(mem_info.mem_buf, data, size);

	memset(&ovdataL, 0, sizeof(struct msmfb_overlay_data));

	ovdataL.id = overlayL_id;
	ovdataL.data.flags = 0;
	ovdataL.data.offset = 0;
	ovdataL.data.memory_id = mem_info.mem_fd;
	ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataL);
	if (ret < 0) {
	perror("overlay_display_frame failed, overlay play Failed\n");
	return ret;
	}
	} else {

	if (overlayL_id == MSMFB_NEW_REQUEST) {
	perror("display_frame failed, no overlayL \n");
	return -EINVAL;
	}

	memcpy(mem_info.mem_buf, data, size);

	memset(&ovdataL, 0, sizeof(struct msmfb_overlay_data));

	ovdataL.id = overlayL_id;
	ovdataL.data.flags = 0;
	ovdataL.data.offset = 0;
	ovdataL.data.memory_id = mem_info.mem_fd;
	ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataL);
	if (ret < 0) {
	perror("overlay_display_frame failed, overlayL play Failed\n");
	return ret;
	}

	if (overlayR_id == MSMFB_NEW_REQUEST) {
	perror("display_frame failed, no overlayR \n");
	return -EINVAL;
	}
	memset(&ovdataR, 0, sizeof(struct msmfb_overlay_data));

	ovdataR.id = overlayR_id;
	ovdataR.data.flags = 0;
	ovdataR.data.offset = 0;
	ovdataR.data.memory_id = mem_info.mem_fd;
	ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataR);
	if (ret < 0) {
	perror("overlay_display_frame failed, overlayR play Failed\n");
	return ret;
	}
	}
	memset(&ext_commit, 0, sizeof(struct mdp_display_commit));
	ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
	ext_commit.wait_for_finish = 1;
	ret = ioctl(fd, MSMFB_DISPLAY_COMMIT, &ext_commit);
	if (ret < 0) {
	perror("overlay_display_frame failed, overlay commit Failed\n!");
	}

	return ret;
	}

	#else

	bool target_has_overlay(char *version) {
	return false;
	}

	bool isTargetMdp5() {
	return false;
	}

	int free_ion_mem(void) {
	return -EINVAL;
	}

	int alloc_ion_mem(unsigned int size)
	{
	return -EINVAL;
	}

	int allocate_overlay(int fd, GGLSurface gr_fb[])
	{
	return -EINVAL;
	}

	int free_overlay(int fd)
	{
	return -EINVAL;
	}

	int overlay_display_frame(int fd, GGLubyte* data, size_t size)
	{
	return -EINVAL;
	}

	#endif //#ifdef MSM_BSP