initial GL libraries for msm8960
Change-Id: I16451c70a079894ac326d3564d96f1fbafcd4f1b
Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/libgralloc/framebuffer.cpp b/libgralloc/framebuffer.cpp
new file mode 100644
index 0000000..b6b4a8f
--- /dev/null
+++ b/libgralloc/framebuffer.cpp
@@ -0,0 +1,937 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+* Copyright (c) 2010-2012 Code Aurora Forum. All rights reserved.
+ *
+ * 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.
+ */
+
+#include <sys/mman.h>
+
+#include <dlfcn.h>
+
+#include <cutils/ashmem.h>
+#include <cutils/log.h>
+#include <cutils/properties.h>
+#include <utils/Timers.h>
+
+#include <hardware/hardware.h>
+#include <hardware/gralloc.h>
+
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <string.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <utils/Timers.h>
+
+#include <cutils/log.h>
+#include <cutils/atomic.h>
+
+#include <linux/fb.h>
+#include <linux/msm_mdp.h>
+
+#include <GLES/gl.h>
+
+#include "gralloc_priv.h"
+#include "gr.h"
+#ifdef NO_SURFACEFLINGER_SWAPINTERVAL
+#include <cutils/properties.h>
+#endif
+
+#include <qcom_ui.h>
+
+#define FB_DEBUG 0
+
+#if defined(HDMI_DUAL_DISPLAY)
+#define EVEN_OUT(x) if (x & 0x0001) {x--;}
+using overlay::Overlay;
+/** min of int a, b */
+static inline int min(int a, int b) {
+ return (a<b) ? a : b;
+}
+/** max of int a, b */
+static inline int max(int a, int b) {
+ return (a>b) ? a : b;
+}
+#endif
+
+char framebufferStateName[] = {'S', 'R', 'A'};
+
+/*****************************************************************************/
+
+enum {
+ MDDI_PANEL = '1',
+ EBI2_PANEL = '2',
+ LCDC_PANEL = '3',
+ EXT_MDDI_PANEL = '4',
+ TV_PANEL = '5'
+};
+
+enum {
+ PAGE_FLIP = 0x00000001,
+ LOCKED = 0x00000002
+};
+
+struct fb_context_t {
+ framebuffer_device_t device;
+};
+
+static int neworientation;
+
+/*****************************************************************************/
+
+static void
+msm_copy_buffer(buffer_handle_t handle, int fd,
+ int width, int height, int format,
+ int x, int y, int w, int h);
+
+static int fb_setSwapInterval(struct framebuffer_device_t* dev,
+ int interval)
+{
+ char pval[PROPERTY_VALUE_MAX];
+ property_get("debug.gr.swapinterval", pval, "-1");
+ int property_interval = atoi(pval);
+ if (property_interval >= 0)
+ interval = property_interval;
+
+ fb_context_t* ctx = (fb_context_t*)dev;
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ dev->common.module);
+ if (interval < dev->minSwapInterval || interval > dev->maxSwapInterval)
+ return -EINVAL;
+
+ m->swapInterval = interval;
+ return 0;
+}
+
+static int fb_setUpdateRect(struct framebuffer_device_t* dev,
+ int l, int t, int w, int h)
+{
+ if (((w|h) <= 0) || ((l|t)<0))
+ return -EINVAL;
+ fb_context_t* ctx = (fb_context_t*)dev;
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ dev->common.module);
+ m->info.reserved[0] = 0x54445055; // "UPDT";
+ m->info.reserved[1] = (uint16_t)l | ((uint32_t)t << 16);
+ m->info.reserved[2] = (uint16_t)(l+w) | ((uint32_t)(t+h) << 16);
+ return 0;
+}
+
+static void *disp_loop(void *ptr)
+{
+ struct qbuf_t nxtBuf;
+ static int cur_buf=-1;
+ private_module_t *m = reinterpret_cast<private_module_t*>(ptr);
+
+ while (1) {
+ pthread_mutex_lock(&(m->qlock));
+
+ // wait (sleep) while display queue is empty;
+ if (m->disp.isEmpty()) {
+ pthread_cond_wait(&(m->qpost),&(m->qlock));
+ }
+
+ // dequeue next buff to display and lock it
+ nxtBuf = m->disp.getHeadValue();
+ m->disp.pop();
+ pthread_mutex_unlock(&(m->qlock));
+
+ // post buf out to display synchronously
+ private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>
+ (nxtBuf.buf);
+ const size_t offset = hnd->base - m->framebuffer->base;
+ m->info.activate = FB_ACTIVATE_VBL;
+ m->info.yoffset = offset / m->finfo.line_length;
+
+#if defined(HDMI_DUAL_DISPLAY)
+ pthread_mutex_lock(&m->overlayLock);
+ m->orientation = neworientation;
+ m->currentOffset = offset;
+ m->hdmiStateChanged = true;
+ pthread_cond_signal(&(m->overlayPost));
+ pthread_mutex_unlock(&m->overlayLock);
+#endif
+ if (ioctl(m->framebuffer->fd, FBIOPUT_VSCREENINFO, &m->info) == -1) {
+ ALOGE("ERROR FBIOPUT_VSCREENINFO failed; frame not displayed");
+ }
+
+ CALC_FPS();
+
+ if (cur_buf == -1) {
+ int nxtAvail = ((nxtBuf.idx + 1) % m->numBuffers);
+ pthread_mutex_lock(&(m->avail[nxtBuf.idx].lock));
+ m->avail[nxtBuf.idx].is_avail = true;
+ m->avail[nxtBuf.idx].state = REF;
+ pthread_cond_broadcast(&(m->avail[nxtBuf.idx].cond));
+ pthread_mutex_unlock(&(m->avail[nxtBuf.idx].lock));
+ } else {
+ pthread_mutex_lock(&(m->avail[nxtBuf.idx].lock));
+ if (m->avail[nxtBuf.idx].state != SUB) {
+ ALOGE_IF(m->swapInterval != 0, "[%d] state %c, expected %c", nxtBuf.idx,
+ framebufferStateName[m->avail[nxtBuf.idx].state],
+ framebufferStateName[SUB]);
+ }
+ m->avail[nxtBuf.idx].state = REF;
+ pthread_mutex_unlock(&(m->avail[nxtBuf.idx].lock));
+
+ pthread_mutex_lock(&(m->avail[cur_buf].lock));
+ m->avail[cur_buf].is_avail = true;
+ if (m->avail[cur_buf].state != REF) {
+ ALOGE_IF(m->swapInterval != 0, "[%d] state %c, expected %c", cur_buf,
+ framebufferStateName[m->avail[cur_buf].state],
+ framebufferStateName[REF]);
+ }
+ m->avail[cur_buf].state = AVL;
+ pthread_cond_broadcast(&(m->avail[cur_buf].cond));
+ pthread_mutex_unlock(&(m->avail[cur_buf].lock));
+ }
+ cur_buf = nxtBuf.idx;
+ }
+ return NULL;
+}
+
+#if defined(HDMI_DUAL_DISPLAY)
+static int closeHDMIChannel(private_module_t* m)
+{
+ Overlay* pTemp = m->pobjOverlay;
+ if(pTemp != NULL)
+ pTemp->closeChannel();
+ return 0;
+}
+
+static void getSecondaryDisplayDestinationInfo(private_module_t* m, overlay_rect&
+ rect, int& orientation)
+{
+ Overlay* pTemp = m->pobjOverlay;
+ int width = pTemp->getFBWidth();
+ int height = pTemp->getFBHeight();
+ int fbwidth = m->info.xres, fbheight = m->info.yres;
+ rect.x = 0; rect.y = 0;
+ rect.w = width; rect.h = height;
+ int rot = m->orientation;
+ switch(rot) {
+ // ROT_0
+ case 0:
+ // ROT_180
+ case HAL_TRANSFORM_ROT_180:
+ pTemp->getAspectRatioPosition(fbwidth, fbheight,
+ &rect);
+ if(rot == HAL_TRANSFORM_ROT_180)
+ orientation = HAL_TRANSFORM_ROT_180;
+ else
+ orientation = 0;
+ break;
+ // ROT_90
+ case HAL_TRANSFORM_ROT_90:
+ // ROT_270
+ case HAL_TRANSFORM_ROT_270:
+ //Calculate the Aspectratio for the UI
+ //in the landscape mode
+ //Width and height will be swapped as there
+ //is rotation
+ pTemp->getAspectRatioPosition(fbheight, fbwidth,
+ &rect);
+
+ if(rot == HAL_TRANSFORM_ROT_90)
+ orientation = HAL_TRANSFORM_ROT_270;
+ else if(rot == HAL_TRANSFORM_ROT_270)
+ orientation = HAL_TRANSFORM_ROT_90;
+ break;
+ }
+ return;
+}
+
+static void *hdmi_ui_loop(void *ptr)
+{
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ ptr);
+ while (1) {
+ pthread_mutex_lock(&m->overlayLock);
+ while(!(m->hdmiStateChanged))
+ pthread_cond_wait(&(m->overlayPost), &(m->overlayLock));
+ m->hdmiStateChanged = false;
+ if (m->exitHDMIUILoop) {
+ pthread_mutex_unlock(&m->overlayLock);
+ return NULL;
+ }
+ bool waitForVsync = true;
+ int flags = WAIT_FOR_VSYNC;
+ if (m->pobjOverlay) {
+ Overlay* pTemp = m->pobjOverlay;
+ if (m->hdmiMirroringState == HDMI_NO_MIRRORING)
+ closeHDMIChannel(m);
+ else if(m->hdmiMirroringState == HDMI_UI_MIRRORING) {
+ if (!pTemp->isChannelUP()) {
+ int alignedW = ALIGN(m->info.xres, 32);
+
+ private_handle_t const* hnd =
+ reinterpret_cast<private_handle_t const*>(m->framebuffer);
+ overlay_buffer_info info;
+ info.width = alignedW;
+ info.height = hnd->height;
+ info.format = hnd->format;
+ info.size = hnd->size;
+
+ if (m->trueMirrorSupport)
+ flags &= ~WAIT_FOR_VSYNC;
+ // start the overlay Channel for mirroring
+ // m->enableHDMIOutput corresponds to the fbnum
+ if (pTemp->startChannel(info, m->enableHDMIOutput,
+ false, true, 0, VG0_PIPE, flags)) {
+ pTemp->setFd(m->framebuffer->fd);
+ pTemp->setCrop(0, 0, m->info.xres, m->info.yres);
+ } else
+ closeHDMIChannel(m);
+ }
+
+ if (pTemp->isChannelUP()) {
+ overlay_rect destRect;
+ int rot = 0;
+ int currOrientation = 0;
+ getSecondaryDisplayDestinationInfo(m, destRect, rot);
+ pTemp->getOrientation(currOrientation);
+ if(rot != currOrientation) {
+ pTemp->setTransform(rot);
+ }
+ EVEN_OUT(destRect.x);
+ EVEN_OUT(destRect.y);
+ EVEN_OUT(destRect.w);
+ EVEN_OUT(destRect.h);
+ int currentX = 0, currentY = 0;
+ uint32_t currentW = 0, currentH = 0;
+ if (pTemp->getPosition(currentX, currentY, currentW, currentH)) {
+ if ((currentX != destRect.x) || (currentY != destRect.y) ||
+ (currentW != destRect.w) || (currentH != destRect.h)) {
+ pTemp->setPosition(destRect.x, destRect.y, destRect.w,
+ destRect.h);
+ }
+ }
+ if (m->trueMirrorSupport) {
+ // if video is started the UI channel should be NO_WAIT.
+ flags = !m->videoOverlay ? WAIT_FOR_VSYNC : 0;
+ pTemp->updateOverlayFlags(flags);
+ }
+ pTemp->queueBuffer(m->currentOffset);
+ }
+ }
+ else
+ closeHDMIChannel(m);
+ }
+ pthread_mutex_unlock(&m->overlayLock);
+ }
+ return NULL;
+}
+
+static int fb_videoOverlayStarted(struct framebuffer_device_t* dev, int started)
+{
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ dev->common.module);
+ pthread_mutex_lock(&m->overlayLock);
+ Overlay* pTemp = m->pobjOverlay;
+ if(started != m->videoOverlay) {
+ m->videoOverlay = started;
+ if (!m->trueMirrorSupport) {
+ m->hdmiStateChanged = true;
+ if (started && pTemp) {
+ m->hdmiMirroringState = HDMI_NO_MIRRORING;
+ closeHDMIChannel(m);
+ } else if (m->enableHDMIOutput)
+ m->hdmiMirroringState = HDMI_UI_MIRRORING;
+ pthread_cond_signal(&(m->overlayPost));
+ }
+ }
+ pthread_mutex_unlock(&m->overlayLock);
+ return 0;
+}
+
+static int fb_enableHDMIOutput(struct framebuffer_device_t* dev, int externaltype)
+{
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ dev->common.module);
+ pthread_mutex_lock(&m->overlayLock);
+ Overlay* pTemp = m->pobjOverlay;
+ //Check if true mirroring can be supported
+ m->trueMirrorSupport = FrameBufferInfo::getInstance()->canSupportTrueMirroring();
+ m->enableHDMIOutput = externaltype;
+ ALOGE("In fb_enableHDMIOutput: externaltype = %d", m->enableHDMIOutput);
+ if(externaltype) {
+ if (m->trueMirrorSupport) {
+ m->hdmiMirroringState = HDMI_UI_MIRRORING;
+ } else {
+ if(!m->videoOverlay)
+ m->hdmiMirroringState = HDMI_UI_MIRRORING;
+ }
+ } else if (!externaltype && pTemp) {
+ m->hdmiMirroringState = HDMI_NO_MIRRORING;
+ closeHDMIChannel(m);
+ }
+ m->hdmiStateChanged = true;
+ pthread_cond_signal(&(m->overlayPost));
+ pthread_mutex_unlock(&m->overlayLock);
+ return 0;
+}
+
+
+static int fb_setActionSafeWidthRatio(struct framebuffer_device_t* dev, float asWidthRatio)
+{
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ dev->common.module);
+ pthread_mutex_lock(&m->overlayLock);
+ m->actionsafeWidthRatio = asWidthRatio;
+ pthread_mutex_unlock(&m->overlayLock);
+ return 0;
+}
+
+static int fb_setActionSafeHeightRatio(struct framebuffer_device_t* dev, float asHeightRatio)
+{
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ dev->common.module);
+ pthread_mutex_lock(&m->overlayLock);
+ m->actionsafeHeightRatio = asHeightRatio;
+ pthread_mutex_unlock(&m->overlayLock);
+ return 0;
+}
+
+static int fb_orientationChanged(struct framebuffer_device_t* dev, int orientation)
+{
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ dev->common.module);
+ pthread_mutex_lock(&m->overlayLock);
+ neworientation = orientation;
+ pthread_mutex_unlock(&m->overlayLock);
+ return 0;
+}
+#endif
+
+static int fb_post(struct framebuffer_device_t* dev, buffer_handle_t buffer)
+{
+ if (private_handle_t::validate(buffer) < 0)
+ return -EINVAL;
+
+ int nxtIdx, futureIdx = -1;
+ bool reuse;
+ struct qbuf_t qb;
+ fb_context_t* ctx = (fb_context_t*)dev;
+
+ private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(buffer);
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ dev->common.module);
+
+ if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
+
+ reuse = false;
+ nxtIdx = (m->currentIdx + 1) % m->numBuffers;
+ futureIdx = (nxtIdx + 1) % m->numBuffers;
+
+ if (m->swapInterval == 0) {
+ // if SwapInterval = 0 and no buffers available then reuse
+ // current buf for next rendering so don't post new buffer
+ if (pthread_mutex_trylock(&(m->avail[nxtIdx].lock))) {
+ reuse = true;
+ } else {
+ if (! m->avail[nxtIdx].is_avail)
+ reuse = true;
+ pthread_mutex_unlock(&(m->avail[nxtIdx].lock));
+ }
+ }
+
+ if(!reuse){
+ // unlock previous ("current") Buffer and lock the new buffer
+ m->base.lock(&m->base, buffer,
+ private_module_t::PRIV_USAGE_LOCKED_FOR_POST,
+ 0,0, m->info.xres, m->info.yres, NULL);
+
+ // post/queue the new buffer
+ pthread_mutex_lock(&(m->avail[nxtIdx].lock));
+ if (m->avail[nxtIdx].is_avail != true) {
+ ALOGE_IF(m->swapInterval != 0, "Found %d buf to be not avail", nxtIdx);
+ }
+
+ m->avail[nxtIdx].is_avail = false;
+
+ if (m->avail[nxtIdx].state != AVL) {
+ ALOGD("[%d] state %c, expected %c", nxtIdx,
+ framebufferStateName[m->avail[nxtIdx].state],
+ framebufferStateName[AVL]);
+ }
+
+ m->avail[nxtIdx].state = SUB;
+ pthread_mutex_unlock(&(m->avail[nxtIdx].lock));
+
+ qb.idx = nxtIdx;
+ qb.buf = buffer;
+ pthread_mutex_lock(&(m->qlock));
+ m->disp.push(qb);
+ pthread_cond_signal(&(m->qpost));
+ pthread_mutex_unlock(&(m->qlock));
+
+ if (m->currentBuffer)
+ m->base.unlock(&m->base, m->currentBuffer);
+
+ m->currentBuffer = buffer;
+ m->currentIdx = nxtIdx;
+ } else {
+ if (m->currentBuffer)
+ m->base.unlock(&m->base, m->currentBuffer);
+ m->base.lock(&m->base, buffer,
+ private_module_t::PRIV_USAGE_LOCKED_FOR_POST,
+ 0,0, m->info.xres, m->info.yres, NULL);
+ m->currentBuffer = buffer;
+ }
+
+ } else {
+ void* fb_vaddr;
+ void* buffer_vaddr;
+ m->base.lock(&m->base, m->framebuffer,
+ GRALLOC_USAGE_SW_WRITE_RARELY,
+ 0, 0, m->info.xres, m->info.yres,
+ &fb_vaddr);
+
+ m->base.lock(&m->base, buffer,
+ GRALLOC_USAGE_SW_READ_RARELY,
+ 0, 0, m->info.xres, m->info.yres,
+ &buffer_vaddr);
+
+ //memcpy(fb_vaddr, buffer_vaddr, m->finfo.line_length * m->info.yres);
+
+ msm_copy_buffer(
+ m->framebuffer, m->framebuffer->fd,
+ m->info.xres, m->info.yres, m->fbFormat,
+ m->info.xoffset, m->info.yoffset,
+ m->info.width, m->info.height);
+
+ m->base.unlock(&m->base, buffer);
+ m->base.unlock(&m->base, m->framebuffer);
+ }
+
+ ALOGD_IF(FB_DEBUG, "Framebuffer state: [0] = %c [1] = %c [2] = %c",
+ framebufferStateName[m->avail[0].state],
+ framebufferStateName[m->avail[1].state],
+ framebufferStateName[m->avail[2].state]);
+ return 0;
+}
+
+static int fb_compositionComplete(struct framebuffer_device_t* dev)
+{
+ // TODO: Properly implement composition complete callback
+ glFinish();
+
+ return 0;
+}
+
+static int fb_lockBuffer(struct framebuffer_device_t* dev, int index)
+{
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ dev->common.module);
+
+ // Return immediately if the buffer is available
+ if ((m->avail[index].state == AVL) || (m->swapInterval == 0))
+ return 0;
+
+ pthread_mutex_lock(&(m->avail[index].lock));
+ while (m->avail[index].state != AVL) {
+ pthread_cond_wait(&(m->avail[index].cond),
+ &(m->avail[index].lock));
+ }
+ pthread_mutex_unlock(&(m->avail[index].lock));
+
+ return 0;
+}
+
+/*****************************************************************************/
+
+int mapFrameBufferLocked(struct private_module_t* module)
+{
+ // already initialized...
+ if (module->framebuffer) {
+ return 0;
+ }
+ char const * const device_template[] = {
+ "/dev/graphics/fb%u",
+ "/dev/fb%u",
+ 0 };
+
+ int fd = -1;
+ int i=0;
+ char name[64];
+ char property[PROPERTY_VALUE_MAX];
+
+ while ((fd==-1) && device_template[i]) {
+ snprintf(name, 64, device_template[i], 0);
+ fd = open(name, O_RDWR, 0);
+ i++;
+ }
+ if (fd < 0)
+ return -errno;
+
+ struct fb_fix_screeninfo finfo;
+ if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) == -1)
+ return -errno;
+
+ struct fb_var_screeninfo info;
+ if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1)
+ return -errno;
+
+ info.reserved[0] = 0;
+ info.reserved[1] = 0;
+ info.reserved[2] = 0;
+ info.xoffset = 0;
+ info.yoffset = 0;
+ info.activate = FB_ACTIVATE_NOW;
+
+ /* Interpretation of offset for color fields: All offsets are from the right,
+ * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
+ * can use the offset as right argument to <<). A pixel afterwards is a bit
+ * stream and is written to video memory as that unmodified. This implies
+ * big-endian byte order if bits_per_pixel is greater than 8.
+ */
+
+ if(info.bits_per_pixel == 32) {
+ /*
+ * Explicitly request RGBA_8888
+ */
+ info.bits_per_pixel = 32;
+ info.red.offset = 24;
+ info.red.length = 8;
+ info.green.offset = 16;
+ info.green.length = 8;
+ info.blue.offset = 8;
+ info.blue.length = 8;
+ info.transp.offset = 0;
+ info.transp.length = 8;
+
+ /* Note: the GL driver does not have a r=8 g=8 b=8 a=0 config, so if we do
+ * not use the MDP for composition (i.e. hw composition == 0), ask for
+ * RGBA instead of RGBX. */
+ if (property_get("debug.sf.hw", property, NULL) > 0 && atoi(property) == 0)
+ module->fbFormat = HAL_PIXEL_FORMAT_RGBX_8888;
+ else if(property_get("debug.composition.type", property, NULL) > 0 && (strncmp(property, "mdp", 3) == 0))
+ module->fbFormat = HAL_PIXEL_FORMAT_RGBX_8888;
+ else
+ module->fbFormat = HAL_PIXEL_FORMAT_RGBA_8888;
+ } else {
+ /*
+ * Explicitly request 5/6/5
+ */
+ info.bits_per_pixel = 16;
+ info.red.offset = 11;
+ info.red.length = 5;
+ info.green.offset = 5;
+ info.green.length = 6;
+ info.blue.offset = 0;
+ info.blue.length = 5;
+ info.transp.offset = 0;
+ info.transp.length = 0;
+ module->fbFormat = HAL_PIXEL_FORMAT_RGB_565;
+ }
+
+ //adreno needs 4k aligned offsets. Max hole size is 4096-1
+ int size = roundUpToPageSize(info.yres * info.xres * (info.bits_per_pixel/8));
+
+ /*
+ * Request NUM_BUFFERS screens (at lest 2 for page flipping)
+ */
+ int numberOfBuffers = (int)(finfo.smem_len/size);
+ ALOGV("num supported framebuffers in kernel = %d", numberOfBuffers);
+
+ if (property_get("debug.gr.numframebuffers", property, NULL) > 0) {
+ int num = atoi(property);
+ if ((num >= NUM_FRAMEBUFFERS_MIN) && (num <= NUM_FRAMEBUFFERS_MAX)) {
+ numberOfBuffers = num;
+ }
+ }
+ if (numberOfBuffers > NUM_FRAMEBUFFERS_MAX)
+ numberOfBuffers = NUM_FRAMEBUFFERS_MAX;
+
+ ALOGV("We support %d buffers", numberOfBuffers);
+
+ //consider the included hole by 4k alignment
+ uint32_t line_length = (info.xres * info.bits_per_pixel / 8);
+ info.yres_virtual = (size * numberOfBuffers) / line_length;
+
+ uint32_t flags = PAGE_FLIP;
+ if (ioctl(fd, FBIOPUT_VSCREENINFO, &info) == -1) {
+ info.yres_virtual = size / line_length;
+ flags &= ~PAGE_FLIP;
+ ALOGW("FBIOPUT_VSCREENINFO failed, page flipping not supported");
+ }
+
+ if (info.yres_virtual < ((size * 2) / line_length) ) {
+ // we need at least 2 for page-flipping
+ info.yres_virtual = size / line_length;
+ flags &= ~PAGE_FLIP;
+ ALOGW("page flipping not supported (yres_virtual=%d, requested=%d)",
+ info.yres_virtual, info.yres*2);
+ }
+
+ if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1)
+ return -errno;
+
+ if (int(info.width) <= 0 || int(info.height) <= 0) {
+ // the driver doesn't return that information
+ // default to 160 dpi
+ info.width = ((info.xres * 25.4f)/160.0f + 0.5f);
+ info.height = ((info.yres * 25.4f)/160.0f + 0.5f);
+ }
+
+ float xdpi = (info.xres * 25.4f) / info.width;
+ float ydpi = (info.yres * 25.4f) / info.height;
+ //The reserved[4] field is used to store FPS by the driver.
+ float fps = info.reserved[4];
+
+ ALOGI( "using (fd=%d)\n"
+ "id = %s\n"
+ "xres = %d px\n"
+ "yres = %d px\n"
+ "xres_virtual = %d px\n"
+ "yres_virtual = %d px\n"
+ "bpp = %d\n"
+ "r = %2u:%u\n"
+ "g = %2u:%u\n"
+ "b = %2u:%u\n",
+ fd,
+ finfo.id,
+ info.xres,
+ info.yres,
+ info.xres_virtual,
+ info.yres_virtual,
+ info.bits_per_pixel,
+ info.red.offset, info.red.length,
+ info.green.offset, info.green.length,
+ info.blue.offset, info.blue.length
+ );
+
+ ALOGI( "width = %d mm (%f dpi)\n"
+ "height = %d mm (%f dpi)\n"
+ "refresh rate = %.2f Hz\n",
+ info.width, xdpi,
+ info.height, ydpi,
+ fps
+ );
+
+
+ if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) == -1)
+ return -errno;
+
+ if (finfo.smem_len <= 0)
+ return -errno;
+
+ module->flags = flags;
+ module->info = info;
+ module->finfo = finfo;
+ module->xdpi = xdpi;
+ module->ydpi = ydpi;
+ module->fps = fps;
+
+#ifdef NO_SURFACEFLINGER_SWAPINTERVAL
+ char pval[PROPERTY_VALUE_MAX];
+ property_get("debug.gr.swapinterval", pval, "1");
+ module->swapInterval = atoi(pval);
+ if (module->swapInterval < private_module_t::PRIV_MIN_SWAP_INTERVAL ||
+ module->swapInterval > private_module_t::PRIV_MAX_SWAP_INTERVAL) {
+ module->swapInterval = 1;
+ ALOGW("Out of range (%d to %d) value for debug.gr.swapinterval, using 1",
+ private_module_t::PRIV_MIN_SWAP_INTERVAL,
+ private_module_t::PRIV_MAX_SWAP_INTERVAL);
+ }
+
+#else
+ /* when surfaceflinger supports swapInterval then can just do this */
+ module->swapInterval = 1;
+#endif
+
+ CALC_INIT();
+
+ module->currentIdx = -1;
+ pthread_cond_init(&(module->qpost), NULL);
+ pthread_mutex_init(&(module->qlock), NULL);
+ for (i = 0; i < NUM_FRAMEBUFFERS_MAX; i++) {
+ pthread_mutex_init(&(module->avail[i].lock), NULL);
+ pthread_cond_init(&(module->avail[i].cond), NULL);
+ module->avail[i].is_avail = true;
+ module->avail[i].state = AVL;
+ }
+
+ /* create display update thread */
+ pthread_t thread1;
+ if (pthread_create(&thread1, NULL, &disp_loop, (void *) module)) {
+ return -errno;
+ }
+
+ /*
+ * map the framebuffer
+ */
+
+ int err;
+ module->numBuffers = info.yres_virtual / info.yres;
+ module->bufferMask = 0;
+ //adreno needs page aligned offsets. Align the fbsize to pagesize.
+ size_t fbSize = roundUpToPageSize(finfo.line_length * info.yres) * module->numBuffers;
+ module->framebuffer = new private_handle_t(fd, fbSize,
+ private_handle_t::PRIV_FLAGS_USES_PMEM, BUFFER_TYPE_UI,
+ module->fbFormat, info.xres, info.yres);
+ void* vaddr = mmap(0, fbSize, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+ if (vaddr == MAP_FAILED) {
+ ALOGE("Error mapping the framebuffer (%s)", strerror(errno));
+ return -errno;
+ }
+ module->framebuffer->base = intptr_t(vaddr);
+ memset(vaddr, 0, fbSize);
+
+#if defined(HDMI_DUAL_DISPLAY)
+ /* Overlay for HDMI*/
+ pthread_mutex_init(&(module->overlayLock), NULL);
+ pthread_cond_init(&(module->overlayPost), NULL);
+ module->pobjOverlay = new Overlay();
+ module->currentOffset = 0;
+ module->exitHDMIUILoop = false;
+ module->hdmiStateChanged = false;
+ pthread_t hdmiUIThread;
+ pthread_create(&hdmiUIThread, NULL, &hdmi_ui_loop, (void *) module);
+ module->hdmiMirroringState = HDMI_NO_MIRRORING;
+ module->trueMirrorSupport = false;
+#endif
+
+ return 0;
+}
+
+static int mapFrameBuffer(struct private_module_t* module)
+{
+ pthread_mutex_lock(&module->lock);
+ int err = mapFrameBufferLocked(module);
+ pthread_mutex_unlock(&module->lock);
+ return err;
+}
+
+/*****************************************************************************/
+
+static int fb_close(struct hw_device_t *dev)
+{
+ fb_context_t* ctx = (fb_context_t*)dev;
+#if defined(HDMI_DUAL_DISPLAY)
+ private_module_t* m = reinterpret_cast<private_module_t*>(
+ ctx->device.common.module);
+ pthread_mutex_lock(&m->overlayLock);
+ m->exitHDMIUILoop = true;
+ pthread_cond_signal(&(m->overlayPost));
+ pthread_mutex_unlock(&m->overlayLock);
+#endif
+ if (ctx) {
+ free(ctx);
+ }
+ return 0;
+}
+
+int fb_device_open(hw_module_t const* module, const char* name,
+ hw_device_t** device)
+{
+ int status = -EINVAL;
+ if (!strcmp(name, GRALLOC_HARDWARE_FB0)) {
+ alloc_device_t* gralloc_device;
+ status = gralloc_open(module, &gralloc_device);
+ if (status < 0)
+ return status;
+
+ /* initialize our state here */
+ fb_context_t *dev = (fb_context_t*)malloc(sizeof(*dev));
+ 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 = fb_close;
+ dev->device.setSwapInterval = fb_setSwapInterval;
+ dev->device.post = fb_post;
+ dev->device.setUpdateRect = 0;
+ dev->device.compositionComplete = fb_compositionComplete;
+ //dev->device.lockBuffer = fb_lockBuffer;
+#if defined(HDMI_DUAL_DISPLAY)
+ dev->device.orientationChanged = fb_orientationChanged;
+ dev->device.videoOverlayStarted = fb_videoOverlayStarted;
+ dev->device.enableHDMIOutput = fb_enableHDMIOutput;
+ dev->device.setActionSafeWidthRatio = fb_setActionSafeWidthRatio;
+ dev->device.setActionSafeHeightRatio = fb_setActionSafeHeightRatio;
+#endif
+
+ private_module_t* m = (private_module_t*)module;
+ status = mapFrameBuffer(m);
+ if (status >= 0) {
+ int stride = m->finfo.line_length / (m->info.bits_per_pixel >> 3);
+ const_cast<uint32_t&>(dev->device.flags) = 0;
+ const_cast<uint32_t&>(dev->device.width) = m->info.xres;
+ const_cast<uint32_t&>(dev->device.height) = m->info.yres;
+ const_cast<int&>(dev->device.stride) = stride;
+ const_cast<int&>(dev->device.format) = m->fbFormat;
+ const_cast<float&>(dev->device.xdpi) = m->xdpi;
+ const_cast<float&>(dev->device.ydpi) = m->ydpi;
+ const_cast<float&>(dev->device.fps) = m->fps;
+ const_cast<int&>(dev->device.minSwapInterval) = private_module_t::PRIV_MIN_SWAP_INTERVAL;
+ const_cast<int&>(dev->device.maxSwapInterval) = private_module_t::PRIV_MAX_SWAP_INTERVAL;
+ //const_cast<int&>(dev->device.numFramebuffers) = m->numBuffers;
+ if (m->finfo.reserved[0] == 0x5444 &&
+ m->finfo.reserved[1] == 0x5055) {
+ dev->device.setUpdateRect = fb_setUpdateRect;
+ ALOGD("UPDATE_ON_DEMAND supported");
+ }
+
+ *device = &dev->device.common;
+ }
+
+ // Close the gralloc module
+ gralloc_close(gralloc_device);
+ }
+ return status;
+}
+
+/* Copy a pmem buffer to the framebuffer */
+
+static void
+msm_copy_buffer(buffer_handle_t handle, int fd,
+ int width, int height, int format,
+ int x, int y, int w, int h)
+{
+ struct {
+ unsigned int count;
+ mdp_blit_req req;
+ } blit;
+ private_handle_t *priv = (private_handle_t*) handle;
+
+ memset(&blit, 0, sizeof(blit));
+ blit.count = 1;
+
+ blit.req.flags = 0;
+ blit.req.alpha = 0xff;
+ blit.req.transp_mask = 0xffffffff;
+
+ blit.req.src.width = width;
+ blit.req.src.height = height;
+ blit.req.src.offset = 0;
+ blit.req.src.memory_id = priv->fd;
+
+ blit.req.dst.width = width;
+ blit.req.dst.height = height;
+ blit.req.dst.offset = 0;
+ blit.req.dst.memory_id = fd;
+ blit.req.dst.format = format;
+
+ blit.req.src_rect.x = blit.req.dst_rect.x = x;
+ blit.req.src_rect.y = blit.req.dst_rect.y = y;
+ blit.req.src_rect.w = blit.req.dst_rect.w = w;
+ blit.req.src_rect.h = blit.req.dst_rect.h = h;
+
+ if (ioctl(fd, MSMFB_BLIT, &blit))
+ ALOGE("MSMFB_BLIT failed = %d", -errno);
+}