hwc: Set GPU performance hint.
1. Set the GPU hint flag to high for MIXED/GPU composition only for
first frame after MDP to GPU/MIXED mode transition.
2. Set the GPU hint to default if the current composition type is GPU
due to idle fallback or MDP composition.
Change-Id: I208a778017435a5a4620142da9d9fb3c50e09155
diff --git a/libhwcomposer/hwc_utils.h b/libhwcomposer/hwc_utils.h
index b4b5232..ad023ad 100644
--- a/libhwcomposer/hwc_utils.h
+++ b/libhwcomposer/hwc_utils.h
@@ -30,6 +30,8 @@
#include <utils/String8.h>
#include "qdMetaData.h"
#include <overlayUtils.h>
+#include <EGL/egl.h>
+
#define ALIGN_TO(x, align) (((x) + ((align)-1)) & ~((align)-1))
#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
@@ -341,6 +343,12 @@
bool isDisplaySplit(hwc_context_t* ctx, int dpy);
+// Set the GPU hint flag to high for MIXED/GPU composition only for
+// first frame after MDP to GPU/MIXED mode transition.
+// Set the GPU hint to default if the current composition type is GPU
+// due to idle fallback or MDP composition.
+void setGPUHint(hwc_context_t* ctx, hwc_display_contents_1_t* list);
+
// Inline utility functions
static inline bool isSkipLayer(const hwc_layer_1_t* l) {
return (UNLIKELY(l && (l->flags & HWC_SKIP_LAYER)));
@@ -439,6 +447,20 @@
ANIMATION_STARTED,
};
+// Structure holds the information about the GPU hint.
+struct gpu_hint_info {
+ // system level flag to enable gpu_perf_mode
+ bool mGpuPerfModeEnable;
+ // Stores the current GPU performance mode DEFAULT/HIGH
+ bool mCurrGPUPerfMode;
+ // true if previous composition used GPU
+ bool mPrevCompositionGLES;
+ // Stores the EGLContext of current process
+ EGLContext mEGLContext;
+ // Stores the EGLDisplay of current process
+ EGLDisplay mEGLDisplay;
+};
+
// -----------------------------------------------------------------------------
// HWC context
// This structure contains overall state
@@ -502,6 +524,7 @@
// Downscale feature switch, set via system the property
// sys.hwc.mdp_downscale_enabled
bool mMDPDownscaleEnabled;
+ struct gpu_hint_info mGPUHintInfo;
};
namespace qhwc {