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42 lines
1.5 KiB
42 lines
1.5 KiB
#pragma once
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#include <cstdlib>
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bool set_brightness(int brightness);
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/* Display power modes */
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enum {
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/* The display is turned off (blanked). */
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HWC_POWER_MODE_OFF = 0,
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/* The display is turned on and configured in a low power state
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* that is suitable for presenting ambient information to the user,
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* possibly with lower fidelity than normal but greater efficiency. */
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HWC_POWER_MODE_DOZE = 1,
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/* The display is turned on normally. */
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HWC_POWER_MODE_NORMAL = 2,
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/* The display is configured as in HWC_POWER_MODE_DOZE but may
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* stop applying frame buffer updates from the graphics subsystem.
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* This power mode is effectively a hint from the doze dream to
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* tell the hardware that it is done drawing to the display for the
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* time being and that the display should remain on in a low power
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* state and continue showing its current contents indefinitely
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* until the mode changes.
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*
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* This mode may also be used as a signal to enable hardware-based doze
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* functionality. In this case, the doze dream is effectively
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* indicating that the hardware is free to take over the display
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* and manage it autonomously to implement low power always-on display
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* functionality. */
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HWC_POWER_MODE_DOZE_SUSPEND = 3,
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};
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struct FramebufferState;
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class FrameBuffer {
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public:
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FrameBuffer(const char *name, uint32_t layer, int alpha, int *out_w, int *out_h);
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~FrameBuffer();
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void set_power(int mode);
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void swap();
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private:
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FramebufferState *s;
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};
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