LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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Merge "hwc: Support for reading FB format from driver"

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Linux Build Service Account
2015-03-23 00:01:29 -07:00
committed by Gerrit - the friendly Code Review server
parent 3c5a16f718 c3198ff918
commit 2ce22c9b76
7 changed files with 64 additions and 5 deletions
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45
libhwcomposer/hwc_utils.cpp
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@@ -86,6 +86,32 @@ namespace qhwc {
// Std refresh rates for digital videos- 24p, 30p, 48p and 60p
uint32_t stdRefreshRates[] = { 30, 24, 48, 60 };
static uint32_t getFBformat(fb_var_screeninfo vinfo) {
uint32_t fbformat = HAL_PIXEL_FORMAT_RGBA_8888;
#ifdef GET_FRAMEBUFFER_FORMAT_FROM_HWC
// Here, we are adding the formats that are supported by both GPU and MDP.
// The formats that fall in this category are RGBA_8888, RGB_565, RGB_888
switch(vinfo.bits_per_pixel) {
case 16:
fbformat = HAL_PIXEL_FORMAT_RGB_565;
break;
case 24:
if ((vinfo.transp.offset == 0) && (vinfo.transp.length == 0))
fbformat = HAL_PIXEL_FORMAT_RGB_888;
break;
case 32:
if ((vinfo.red.offset == 0) && (vinfo.green.offset == 8) &&
(vinfo.blue.offset == 16) && (vinfo.transp.offset == 24))
fbformat = HAL_PIXEL_FORMAT_RGBA_8888;
break;
default:
fbformat = HAL_PIXEL_FORMAT_RGBA_8888;
}
#endif
return fbformat;
}
bool isValidResolution(hwc_context_t *ctx, uint32_t xres, uint32_t yres)
{
return !((xres > qdutils::MDPVersion::getInstance().getMaxPipeWidth() &&
@@ -130,6 +156,14 @@ static void handleFbScaling(hwc_context_t *ctx, int xresPanel, int yresPanel,
// Initialize hdmi display attributes based on
// hdmi display class state
void updateDisplayInfo(hwc_context_t* ctx, int dpy) {
struct fb_var_screeninfo info;
if (ioctl(ctx->mHDMIDisplay->getFd(), FBIOGET_VSCREENINFO, &info) == -1) {
ALOGE("%s:Error in ioctl FBIOGET_VSCREENINFO: %s",
__FUNCTION__, strerror(errno));
}
ctx->dpyAttr[dpy].fbformat = getFBformat(info);
ctx->dpyAttr[dpy].fd = ctx->mHDMIDisplay->getFd();
ctx->dpyAttr[dpy].xres = ctx->mHDMIDisplay->getWidth();
ctx->dpyAttr[dpy].yres = ctx->mHDMIDisplay->getHeight();
@@ -238,6 +272,7 @@ static int openFramebufferDevice(hwc_context_t *ctx)
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].secure = true;
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period =
(uint32_t)(1000000000l / fps);
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fbformat = getFBformat(info);
handleFbScaling(ctx, info.xres, info.yres, info.width, info.height);
@@ -992,6 +1027,16 @@ bool isAlphaPresent(hwc_layer_1_t const* layer) {
return false;
}
bool isAlphaPresentinFB(hwc_context_t *ctx, int dpy) {
switch(ctx->dpyAttr[dpy].fbformat) {
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
return true;
default : return false;
}
return false;
}
static void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
hwc_rect_t& crop, hwc_rect_t& dst) {
int hw_w = ctx->dpyAttr[dpy].xres;