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-rw-r--r--minui/graphics_overlay.c311
1 files changed, 311 insertions, 0 deletions
diff --git a/minui/graphics_overlay.c b/minui/graphics_overlay.c
new file mode 100644
index 000000000..02ef0b959
--- /dev/null
+++ b/minui/graphics_overlay.c
@@ -0,0 +1,311 @@
+/*
+ * 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;
+
+static int overlay_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_RGBX)
+ format = MDP_RGBA_8888;
+#endif
+ return format;
+}
+#endif // #ifdef MSM_BSP
+
+static bool overlay_supported = false;
+
+bool target_has_overlay(char *version)
+{
+ int ret;
+ 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;
+ }
+ }
+
+ return overlay_supported;
+}
+
+#ifdef MSM_BSP
+
+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);
+ ionAllocData.heap_mask =
+ 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[])
+{
+ if (!overlay_supported)
+ return -EINVAL;
+
+ struct mdp_overlay overlay;
+ int ret = 0;
+
+ memset(&overlay, 0 , sizeof (struct mdp_overlay));
+
+ /* Fill Overlay Data */
+
+ overlay.src.width = ALIGN(gr_fb[0].width, 32);
+ overlay.src.height = gr_fb[0].height;
+ overlay.src.format = map_mdp_pixel_format();
+ overlay.src_rect.w = gr_fb[0].width;
+ overlay.src_rect.h = gr_fb[0].height;
+ overlay.dst_rect.w = gr_fb[0].width;
+ overlay.dst_rect.h = gr_fb[0].height;
+ overlay.alpha = 0xFF;
+ overlay.transp_mask = MDP_TRANSP_NOP;
+ overlay.id = MSMFB_NEW_REQUEST;
+ ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlay);
+ if (ret < 0) {
+ perror("Overlay Set Failed");
+ return ret;
+ }
+
+ overlay_id = overlay.id;
+ return 0;
+}
+
+int free_overlay(int fd)
+{
+ if (!overlay_supported)
+ return -EINVAL;
+
+ int ret = 0;
+ struct mdp_display_commit ext_commit;
+
+ if (overlay_id != MSMFB_NEW_REQUEST) {
+ ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlay_id);
+ if (ret) {
+ perror("Overlay Unset Failed");
+ overlay_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!");
+ overlay_id = MSMFB_NEW_REQUEST;
+ return ret;
+ }
+
+ overlay_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 ovdata;
+ struct mdp_display_commit ext_commit;
+
+ if (overlay_id == MSMFB_NEW_REQUEST) {
+ perror("display_frame failed, no overlay\n");
+ return 0;
+ }
+
+ memcpy(mem_info.mem_buf, data, size);
+
+ memset(&ovdata, 0, sizeof(struct msmfb_overlay_data));
+
+ ovdata.id = overlay_id;
+ ovdata.data.flags = 0;
+ ovdata.data.offset = 0;
+ ovdata.data.memory_id = mem_info.mem_fd;
+ ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdata);
+ if (ret < 0) {
+ perror("overlay_display_frame failed, overlay play Failed\n");
+ return 0;
+ }
+
+ 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 0;
+ }
+
+ return 0;
+}
+
+#else
+
+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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 03:44:45 +0100