/libhwcomposer/SecHWC.cpp
C++ | 567 lines | 411 code | 93 blank | 63 comment | 87 complexity | 240b73590db12d8c16467d7a44fbd255 MD5 | raw file
Possible License(s): LGPL-2.0
- /*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- /*
- *
- * @author Rama, Meka(v.meka@samsung.com)
- Sangwoo, Park(sw5771.park@samsung.com)
- Jamie Oh (jung-min.oh@samsung.com)
- * @date 2011-07-28
- *
- */
- #include <cutils/log.h>
- #include <cutils/atomic.h>
- #include <EGL/egl.h>
- #include <GLES/gl.h>
- #include "SecHWCUtils.h"
- static IMG_gralloc_module_public_t *gpsGrallocModule;
- static int hwc_device_open(const struct hw_module_t* module, const char* name,
- struct hw_device_t** device);
- static struct hw_module_methods_t hwc_module_methods = {
- open: hwc_device_open
- };
- hwc_module_t HAL_MODULE_INFO_SYM = {
- common: {
- tag: HARDWARE_MODULE_TAG,
- version_major: 1,
- version_minor: 0,
- id: HWC_HARDWARE_MODULE_ID,
- name: "Samsung S5PC11X hwcomposer module",
- author: "SAMSUNG",
- methods: &hwc_module_methods,
- }
- };
- static void dump_layer(hwc_layer_t const* l) {
- LOGD("\ttype=%d, flags=%08x, handle=%p, tr=%02x, blend=%04x, {%d,%d,%d,%d}, {%d,%d,%d,%d}",
- l->compositionType, l->flags, l->handle, l->transform, l->blending,
- l->sourceCrop.left,
- l->sourceCrop.top,
- l->sourceCrop.right,
- l->sourceCrop.bottom,
- l->displayFrame.left,
- l->displayFrame.top,
- l->displayFrame.right,
- l->displayFrame.bottom);
- }
- static int set_src_dst_info(hwc_layer_t *cur,
- struct hwc_win_info_t *win,
- struct sec_img *src_img,
- struct sec_img *dst_img,
- struct sec_rect *src_rect,
- struct sec_rect *dst_rect,
- int win_idx)
- {
- IMG_native_handle_t *prev_handle = (IMG_native_handle_t *)(cur->handle);
- // set src image
- src_img->w = prev_handle->iWidth;
- src_img->h = prev_handle->iHeight;
- src_img->format = prev_handle->iFormat;
- src_img->base = NULL;
- src_img->offset = 0;
- src_img->mem_id =0;
- src_img->mem_type = HWC_PHYS_MEM_TYPE;
- src_img->w = (src_img->w + 15) & (~15);
- src_img->h = (src_img->h + 1) & (~1) ;
- //set src rect
- src_rect->x = SEC_MAX(cur->sourceCrop.left, 0);
- src_rect->y = SEC_MAX(cur->sourceCrop.top, 0);
- src_rect->w = SEC_MAX(cur->sourceCrop.right - cur->sourceCrop.left, 0);
- src_rect->w = SEC_MIN(src_rect->w, src_img->w - src_rect->x);
- src_rect->h = SEC_MAX(cur->sourceCrop.bottom - cur->sourceCrop.top, 0);
- src_rect->h = SEC_MIN(src_rect->h, src_img->h - src_rect->y);
- //set dst image
- dst_img->w = win->lcd_info.xres;
- dst_img->h = win->lcd_info.yres;
- switch (win->lcd_info.bits_per_pixel) {
- case 32:
- dst_img->format = HAL_PIXEL_FORMAT_RGBX_8888;
- break;
- default:
- dst_img->format = HAL_PIXEL_FORMAT_RGB_565;
- break;
- }
- dst_img->base = win->addr[win->buf_index];
- dst_img->offset = 0;
- dst_img->mem_id = 0;
- dst_img->mem_type = HWC_PHYS_MEM_TYPE;
- //set dst rect
- //fimc dst image will be stored from left top corner
- dst_rect->x = 0;
- dst_rect->y = 0;
- dst_rect->w = win->rect_info.w;
- dst_rect->h = win->rect_info.h;
- LOGV("%s::sr_x %d sr_y %d sr_w %d sr_h %d dr_x %d dr_y %d dr_w %d dr_h %d ",
- __func__, src_rect->x, src_rect->y, src_rect->w, src_rect->h,
- dst_rect->x, dst_rect->y, dst_rect->w, dst_rect->h);
- return 0;
- }
- static int get_hwc_compos_decision(hwc_layer_t* cur)
- {
- if(cur->flags & HWC_SKIP_LAYER || !cur->handle) {
- LOGV("%s::is_skip_layer %d cur->handle %x",
- __func__, cur->flags & HWC_SKIP_LAYER, (uint32_t)cur->handle);
- return HWC_FRAMEBUFFER;
- }
- IMG_native_handle_t *prev_handle = (IMG_native_handle_t *)(cur->handle);
- int compositionType = HWC_FRAMEBUFFER;
- /* check here....if we have any resolution constraints */
- if (((cur->sourceCrop.right - cur->sourceCrop.left) < 16) ||
- ((cur->sourceCrop.bottom - cur->sourceCrop.top) < 8))
- return compositionType;
- if ((cur->transform == HAL_TRANSFORM_ROT_90) ||
- (cur->transform == HAL_TRANSFORM_ROT_270)) {
- if(((cur->displayFrame.right - cur->displayFrame.left) < 4)||
- ((cur->displayFrame.bottom - cur->displayFrame.top) < 8))
- return compositionType;
- } else if (((cur->displayFrame.right - cur->displayFrame.left) < 8) ||
- ((cur->displayFrame.bottom - cur->displayFrame.top) < 4))
- return compositionType;
- if((prev_handle->usage & GRALLOC_USAGE_PHYS_CONTIG) &&
- (cur->blending == HWC_BLENDING_NONE))
- compositionType = HWC_OVERLAY;
- else
- compositionType = HWC_FRAMEBUFFER;
- LOGV("%s::compositionType %d bpp %d format %x usage %x",
- __func__,compositionType, prev_handle->uiBpp, prev_handle->iFormat,
- prev_handle->usage & GRALLOC_USAGE_PHYS_CONTIG);
- return compositionType;
- }
- static int assign_overlay_window(struct hwc_context_t *ctx,
- hwc_layer_t *cur,
- int win_idx,
- int layer_idx)
- {
- struct hwc_win_info_t *win;
- sec_rect rect;
- int ret = 0;
- if(NUM_OF_WIN <= win_idx)
- return -1;
- win = &ctx->win[win_idx];
- rect.x = SEC_MAX(cur->displayFrame.left, 0);
- rect.y = SEC_MAX(cur->displayFrame.top, 0);
- rect.w = SEC_MIN(cur->displayFrame.right - rect.x, win->lcd_info.xres - rect.x);
- rect.h = SEC_MIN(cur->displayFrame.bottom - rect.y, win->lcd_info.yres - rect.y);
- win->set_win_flag = 0;
- if((rect.x != win->rect_info.x) || (rect.y != win->rect_info.y) ||
- (rect.w != win->rect_info.w) || (rect.h != win->rect_info.h)){
- win->rect_info.x = rect.x;
- win->rect_info.y = rect.y;
- win->rect_info.w = rect.w;
- win->rect_info.h = rect.h;
- win->set_win_flag = 1;
- win->layer_prev_buf = 0;
- }
- win->layer_index = layer_idx;
- win->status = HWC_WIN_RESERVED;
- LOGV("%s:: win_x %d win_y %d win_w %d win_h %d lay_idx %d win_idx %d",
- __func__, win->rect_info.x, win->rect_info.y, win->rect_info.w,
- win->rect_info.h, win->layer_index, win_idx );
- return 0;
- }
- static void reset_win_rect_info(hwc_win_info_t *win)
- {
- win->rect_info.x = 0;
- win->rect_info.y = 0;
- win->rect_info.w = 0;
- win->rect_info.h = 0;
- return;
- }
- static int hwc_prepare(hwc_composer_device_t *dev, hwc_layer_list_t* list)
- {
- struct hwc_context_t* ctx = (struct hwc_context_t*)dev;
- int overlay_win_cnt = 0;
- int compositionType = 0;
- int ret;
- //if geometry is not changed, there is no need to do any work here
- if( !list || (!(list->flags & HWC_GEOMETRY_CHANGED)))
- return 0;
- //all the windows are free here....
- for (int i = 0; i < NUM_OF_WIN; i++) {
- ctx->win[i].status = HWC_WIN_FREE;
- ctx->win[i].buf_index = 0;
- }
- ctx->num_of_hwc_layer = 0;
- ctx->num_of_fb_layer = 0;
- LOGV("%s:: hwc_prepare list->numHwLayers %d", __func__, list->numHwLayers);
- for (int i = 0; i < list->numHwLayers ; i++) {
- hwc_layer_t* cur = &list->hwLayers[i];
- if (overlay_win_cnt < NUM_OF_WIN) {
- compositionType = get_hwc_compos_decision(cur);
- if (compositionType == HWC_FRAMEBUFFER) {
- cur->compositionType = HWC_FRAMEBUFFER;
- ctx->num_of_fb_layer++;
- } else {
- ret = assign_overlay_window(ctx, cur, overlay_win_cnt, i);
- if (ret != 0) {
- cur->compositionType = HWC_FRAMEBUFFER;
- ctx->num_of_fb_layer++;
- continue;
- }
- cur->compositionType = HWC_OVERLAY;
- cur->hints = HWC_HINT_CLEAR_FB;
- overlay_win_cnt++;
- ctx->num_of_hwc_layer++;
- }
- } else {
- cur->compositionType = HWC_FRAMEBUFFER;
- ctx->num_of_fb_layer++;
- }
- }
- if(list->numHwLayers != (ctx->num_of_fb_layer + ctx->num_of_hwc_layer))
- LOGV("%s:: numHwLayers %d num_of_fb_layer %d num_of_hwc_layer %d ",
- __func__, list->numHwLayers, ctx->num_of_fb_layer,
- ctx->num_of_hwc_layer);
- if (overlay_win_cnt < NUM_OF_WIN) {
- //turn off the free windows
- for (int i = overlay_win_cnt; i < NUM_OF_WIN; i++) {
- window_hide(&ctx->win[i]);
- reset_win_rect_info(&ctx->win[i]);
- }
- }
- return 0;
- }
- static int hwc_set(hwc_composer_device_t *dev,
- hwc_display_t dpy,
- hwc_surface_t sur,
- hwc_layer_list_t* list)
- {
- struct hwc_context_t *ctx = (struct hwc_context_t *)dev;
- unsigned int phyAddr[MAX_NUM_PLANES];
- int skipped_window_mask = 0;
- hwc_layer_t* cur;
- struct hwc_win_info_t *win;
- int ret;
- struct sec_img src_img;
- struct sec_img dst_img;
- struct sec_rect src_rect;
- struct sec_rect dst_rect;
- if (dpy == NULL && sur == NULL && list == NULL) {
- // release our resources, the screen is turning off
- // in our case, there is nothing to do.
- ctx->num_of_fb_layer_prev = 0;
- return 0;
- }
- bool need_swap_buffers = ctx->num_of_fb_layer > 0;
- /*
- * H/W composer documentation states:
- * There is an implicit layer containing opaque black
- * pixels behind all the layers in the list.
- * It is the responsibility of the hwcomposer module to make
- * sure black pixels are output (or blended from).
- *
- * Since we're using a blitter, we need to erase the frame-buffer when
- * switching to all-overlay mode.
- *
- */
- if (ctx->num_of_hwc_layer &&
- ctx->num_of_fb_layer==0 && ctx->num_of_fb_layer_prev) {
- /* we're clearing the screen using GLES here, this is very
- * hack-ish, ideal we would use the fimc (if it can do it) */
- glDisable(GL_SCISSOR_TEST);
- glClearColor(0, 0, 0, 0);
- glClear(GL_COLOR_BUFFER_BIT);
- glEnable(GL_SCISSOR_TEST);
- need_swap_buffers = true;
- }
- ctx->num_of_fb_layer_prev = ctx->num_of_fb_layer;
- if (need_swap_buffers || !list) {
- EGLBoolean sucess = eglSwapBuffers((EGLDisplay)dpy, (EGLSurface)sur);
- if (!sucess) {
- return HWC_EGL_ERROR;
- }
- }
- if (!list) {
- /* turn off the all windows */
- for (int i = 0; i < NUM_OF_WIN; i++) {
- window_hide(&ctx->win[i]);
- reset_win_rect_info(&ctx->win[i]);
- ctx->win[i].status = HWC_WIN_FREE;
- }
- ctx->num_of_hwc_layer = 0;
- return 0;
- }
- if(ctx->num_of_hwc_layer > NUM_OF_WIN)
- ctx->num_of_hwc_layer = NUM_OF_WIN;
- /* compose hardware layers here */
- for (uint32_t i = 0; i < ctx->num_of_hwc_layer; i++) {
- win = &ctx->win[i];
- if (win->status == HWC_WIN_RESERVED) {
- cur = &list->hwLayers[win->layer_index];
- if (cur->compositionType == HWC_OVERLAY) {
- ret = gpsGrallocModule->GetPhyAddrs(gpsGrallocModule,
- cur->handle, phyAddr);
- if (ret) {
- LOGE("%s::GetPhyAddrs fail : ret=%d\n", __func__, ret);
- skipped_window_mask |= (1 << i);
- continue;
- }
- /* initialize the src & dist context for fimc */
- set_src_dst_info (cur, win, &src_img, &dst_img, &src_rect,
- &dst_rect, i);
- ret = runFimc(ctx, &src_img, &src_rect, &dst_img, &dst_rect,
- phyAddr, cur->transform);
- if (ret < 0){
- LOGE("%s::runFimc fail : ret=%d\n", __func__, ret);
- skipped_window_mask |= (1 << i);
- continue;
- }
- if (win->set_win_flag == 1) {
- /* turnoff the window and set the window position with new conf... */
- if (window_set_pos(win) < 0) {
- LOGE("%s::window_set_pos is failed : %s", __func__,
- strerror(errno));
- skipped_window_mask |= (1 << i);
- continue;
- }
- win->set_win_flag = 0;
- }
- /* is the frame didn't change, it needs to be composited
- * because something else below it could have changed, however
- * it doesn't need to be swapped.
- */
- if (win->layer_prev_buf != (uint32_t)cur->handle) {
- win->layer_prev_buf = (uint32_t)cur->handle;
- window_pan_display(win);
- win->buf_index = (win->buf_index + 1) % NUM_OF_WIN_BUF;
- }
- if(win->power_state == 0)
- window_show(win);
- } else {
- LOGE("%s:: error : layer %d compositionType should have been \
- HWC_OVERLAY", __func__, win->layer_index);
- skipped_window_mask |= (1 << i);
- continue;
- }
- } else {
- LOGE("%s:: error : window status should have been HWC_WIN_RESERVED \
- by now... ", __func__);
- skipped_window_mask |= (1 << i);
- continue;
- }
- }
- if (skipped_window_mask) {
- //turn off the free windows
- for (int i = 0; i < NUM_OF_WIN; i++) {
- if (skipped_window_mask & (1 << i))
- window_hide(&ctx->win[i]);
- }
- }
- return 0;
- }
- static int hwc_device_close(struct hw_device_t *dev)
- {
- struct hwc_context_t* ctx = (struct hwc_context_t*)dev;
- int ret = 0;
- int i;
- if (ctx) {
- if (destroyFimc(&ctx->fimc) < 0) {
- LOGE("%s::destroyFimc fail", __func__);
- ret = -1;
- }
- for (i = 0; i < NUM_OF_WIN; i++) {
- if (window_close(&ctx->win[i]) < 0) {
- LOGE("%s::window_close() fail", __func__);
- ret = -1;
- }
- }
- free(ctx);
- }
- return ret;
- }
- static int hwc_device_open(const struct hw_module_t* module, const char* name,
- struct hw_device_t** device)
- {
- int status = 0;
- struct hwc_win_info_t *win;
- if(hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
- (const hw_module_t**)&gpsGrallocModule))
- return -EINVAL;
- if(strcmp(gpsGrallocModule->base.common.author, "Imagination Technologies"))
- return -EINVAL;
- if (strcmp(name, HWC_HARDWARE_COMPOSER))
- return -EINVAL;
- struct hwc_context_t *dev;
- dev = (hwc_context_t*)malloc(sizeof(*dev));
- /* initialize our state here */
- memset(dev, 0, sizeof(*dev));
- /* initialize the procs */
- dev->device.common.tag = HARDWARE_DEVICE_TAG;
- dev->device.common.version = 0;
- dev->device.common.module = const_cast<hw_module_t*>(module);
- dev->device.common.close = hwc_device_close;
- dev->device.prepare = hwc_prepare;
- dev->device.set = hwc_set;
- *device = &dev->device.common;
- /* initializing */
- memset(&(dev->fimc), 0, sizeof(s5p_fimc_t));
- dev->fimc.dev_fd = -1;
- /* open WIN0 & WIN1 here */
- for (int i = 0; i < NUM_OF_WIN; i++) {
- if (window_open(&(dev->win[i]), i) < 0) {
- LOGE("%s:: Failed to open window %d device ", __func__, i);
- status = -EINVAL;
- goto err;
- }
- }
- /* get default window config */
- if (window_get_global_lcd_info(&dev->lcd_info) < 0) {
- LOGE("%s::window_get_global_lcd_info is failed : %s",
- __func__, strerror(errno));
- status = -EINVAL;
- goto err;
- }
- dev->lcd_info.yres_virtual = dev->lcd_info.yres * NUM_OF_WIN_BUF;
- /* initialize the window context */
- for (int i = 0; i < NUM_OF_WIN; i++) {
- win = &dev->win[i];
- memcpy(&win->lcd_info, &dev->lcd_info, sizeof(struct fb_var_screeninfo));
- memcpy(&win->var_info, &dev->lcd_info, sizeof(struct fb_var_screeninfo));
- win->rect_info.x = 0;
- win->rect_info.y = 0;
- win->rect_info.w = win->var_info.xres;
- win->rect_info.h = win->var_info.yres;
- if (window_set_pos(win) < 0) {
- LOGE("%s::window_set_pos is failed : %s",
- __func__, strerror(errno));
- status = -EINVAL;
- goto err;
- }
- if (window_get_info(win) < 0) {
- LOGE("%s::window_get_info is failed : %s",
- __func__, strerror(errno));
- status = -EINVAL;
- goto err;
- }
- win->size = win->fix_info.line_length * win->var_info.yres;
- if (!win->fix_info.smem_start){
- LOGE("%s:: win-%d failed to get the reserved memory", __func__, i);
- status = -EINVAL;
- goto err;
- }
- for (int j = 0; j < NUM_OF_WIN_BUF; j++) {
- win->addr[j] = win->fix_info.smem_start + (win->size * j);
- LOGI("%s::win-%d add[%d] %x ", __func__, i, j, win->addr[j]);
- }
- }
- /* open pp */
- if (createFimc(&dev->fimc) < 0) {
- LOGE("%s::creatFimc() fail", __func__);
- status = -EINVAL;
- goto err;
- }
- LOGD("%s:: success\n", __func__);
- return 0;
- err:
- if (destroyFimc(&dev->fimc) < 0)
- LOGE("%s::destroyFimc() fail", __func__);
- for (int i = 0; i < NUM_OF_WIN; i++) {
- if (window_close(&dev->win[i]) < 0)
- LOGE("%s::window_close() fail", __func__);
- }
- return status;
- }