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hardware-intel-hwcomposer: Commit

hardware/intel/hwcomposer


Commit MetaInfo

Revisión112e172f7eaf8ab277f0e46b762a3becffe83892 (tree)
Tiempo2013-03-07 16:20:38
AutorTapani Pälli <tapani.palli@inte...>
CommiterTapani Pälli

Log Message

hwcomposer: required hooks for display initialization

supports only 1 display and one config per display for now

Change-Id: I96f3002e4e99f9fd7931885f3014f4603681e99e
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>

Cambiar Resumen

Diferencia

--- a/hwcomposer.cpp
+++ b/hwcomposer.cpp
@@ -100,6 +100,60 @@ static int hwc_set(hwc_composer_device_1 *dev,
100100 return 0;
101101 }
102102
103+// toggle display on or off
104+static int hwc_blank(struct hwc_composer_device_1* dev, int disp, int blank)
105+{
106+ // dummy implementation for now
107+ return 0;
108+}
109+
110+// query number of different configurations available on display
111+static int hwc_get_display_cfgs(struct hwc_composer_device_1* dev, int disp,
112+ uint32_t* configs, size_t* numConfigs)
113+{
114+ // support just one config per display for now
115+ *configs = 1;
116+ *numConfigs = 1;
117+
118+ return 0;
119+}
120+
121+// query display attributes for a particular config
122+static int hwc_get_display_attrs(struct hwc_composer_device_1* dev, int disp,
123+ uint32_t config, const uint32_t* attributes, int32_t* values)
124+{
125+ int attr = 0;
126+ struct hwc_context_t* ctx = (struct hwc_context_t *) &dev->common;
127+
128+ gralloc_drm_t *drm = ctx->gralloc_module->drm;
129+
130+ // support only 1 display for now
131+ if (disp > 0)
132+ return -EINVAL;
133+
134+ while(attributes[attr] != HWC_DISPLAY_NO_ATTRIBUTE) {
135+ switch (attr) {
136+ case HWC_DISPLAY_VSYNC_PERIOD:
137+ values[attr] = drm->primary.mode.vrefresh;
138+ break;
139+ case HWC_DISPLAY_WIDTH:
140+ values[attr] = drm->primary.mode.hdisplay;
141+ break;
142+ case HWC_DISPLAY_HEIGHT:
143+ values[attr] = drm->primary.mode.vdisplay;
144+ break;
145+ case HWC_DISPLAY_DPI_X:
146+ values[attr] = drm->primary.xdpi;
147+ break;
148+ case HWC_DISPLAY_DPI_Y:
149+ values[attr] = drm->primary.ydpi;
150+ break;
151+ }
152+ attr++;
153+ }
154+ return 0;
155+}
156+
103157 static int hwc_device_close(struct hw_device_t *dev)
104158 {
105159 struct hwc_context_t* ctx = (struct hwc_context_t*)dev;
@@ -130,6 +184,9 @@ static int hwc_device_open(const struct hw_module_t* module, const char* name,
130184
131185 dev->device.prepare = hwc_prepare;
132186 dev->device.set = hwc_set;
187+ dev->device.blank = hwc_blank;
188+ dev->device.getDisplayAttributes = hwc_get_display_attrs;
189+ dev->device.getDisplayConfigs = hwc_get_display_cfgs;
133190
134191 *device = &dev->device.common;
135192
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