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.cpp b/libhwcomposer/hwc_utils.cpp
index 751aef3..d9e75dc 100644
--- a/libhwcomposer/hwc_utils.cpp
+++ b/libhwcomposer/hwc_utils.cpp
@@ -52,6 +52,26 @@
using namespace overlay::utils;
namespace ovutils = overlay::utils;
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+EGLAPI EGLBoolean eglGpuPerfHintQCOM(EGLDisplay dpy, EGLContext ctx,
+ EGLint *attrib_list);
+#define EGL_GPU_HINT_1 0x32D0
+#define EGL_GPU_HINT_2 0x32D1
+
+#define EGL_GPU_LEVEL_0 0x0
+#define EGL_GPU_LEVEL_1 0x1
+#define EGL_GPU_LEVEL_2 0x2
+#define EGL_GPU_LEVEL_3 0x3
+#define EGL_GPU_LEVEL_4 0x4
+#define EGL_GPU_LEVEL_5 0x5
+
+#ifdef __cplusplus
+}
+#endif
+
namespace qhwc {
bool isValidResolution(hwc_context_t *ctx, uint32_t xres, uint32_t yres)
@@ -245,6 +265,15 @@
ctx->mMDPDownscaleEnabled = true;
}
+ // Initialize gpu perfomance hint related parameters
+ property_get("sys.hwc.gpu_perf_mode", value, "0");
+ ctx->mGPUHintInfo.mGpuPerfModeEnable = atoi(value)? true : false;
+
+ ctx->mGPUHintInfo.mEGLDisplay = NULL;
+ ctx->mGPUHintInfo.mEGLContext = NULL;
+ ctx->mGPUHintInfo.mPrevCompositionGLES = false;
+ ctx->mGPUHintInfo.mCurrGPUPerfMode = EGL_GPU_LEVEL_0;
+
ALOGI("Initializing Qualcomm Hardware Composer");
ALOGI("MDP version: %d", ctx->mMDP.version);
}
@@ -1981,6 +2010,78 @@
return true;
}
+bool isGLESComp(hwc_context_t *ctx,
+ hwc_display_contents_1_t* list) {
+ int numAppLayers = ctx->listStats[HWC_DISPLAY_PRIMARY].numAppLayers;
+ for(int index = 0; index < numAppLayers; index++) {
+ hwc_layer_1_t* layer = &(list->hwLayers[index]);
+ if(layer->compositionType == HWC_FRAMEBUFFER)
+ return true;
+ }
+ return false;
+}
+
+void setGPUHint(hwc_context_t* ctx, hwc_display_contents_1_t* list) {
+ struct gpu_hint_info *gpuHint = &ctx->mGPUHintInfo;
+ if(!gpuHint->mGpuPerfModeEnable)
+ return;
+ /* Set the GPU hint flag to high for MIXED/GPU composition only for
+ first frame after MDP -> GPU/MIXED mode transition. Set the GPU
+ hint to default if the previous composition is GPU or current GPU
+ composition is due to idle fallback */
+ if(!gpuHint->mEGLDisplay || !gpuHint->mEGLContext) {
+ gpuHint->mEGLDisplay = eglGetCurrentDisplay();
+ if(!gpuHint->mEGLDisplay) {
+ ALOGW("%s Warning: EGL current display is NULL", __FUNCTION__);
+ return;
+ }
+ gpuHint->mEGLContext = eglGetCurrentContext();
+ if(!gpuHint->mEGLContext) {
+ ALOGW("%s Warning: EGL current context is NULL", __FUNCTION__);
+ return;
+ }
+ }
+ if(isGLESComp(ctx, list)) {
+ if(!gpuHint->mPrevCompositionGLES && !MDPComp::isIdleFallback()) {
+ EGLint attr_list[] = {EGL_GPU_HINT_1,
+ EGL_GPU_LEVEL_3,
+ EGL_NONE };
+ if((gpuHint->mCurrGPUPerfMode != EGL_GPU_LEVEL_3) &&
+ !eglGpuPerfHintQCOM(gpuHint->mEGLDisplay,
+ gpuHint->mEGLContext, attr_list)) {
+ ALOGW("eglGpuPerfHintQCOM failed for Built in display");
+ } else {
+ gpuHint->mCurrGPUPerfMode = EGL_GPU_LEVEL_3;
+ gpuHint->mPrevCompositionGLES = true;
+ }
+ } else {
+ EGLint attr_list[] = {EGL_GPU_HINT_1,
+ EGL_GPU_LEVEL_0,
+ EGL_NONE };
+ if((gpuHint->mCurrGPUPerfMode != EGL_GPU_LEVEL_0) &&
+ !eglGpuPerfHintQCOM(gpuHint->mEGLDisplay,
+ gpuHint->mEGLContext, attr_list)) {
+ ALOGW("eglGpuPerfHintQCOM failed for Built in display");
+ } else {
+ gpuHint->mCurrGPUPerfMode = EGL_GPU_LEVEL_0;
+ }
+ }
+ } else {
+ /* set the GPU hint flag to default for MDP composition */
+ EGLint attr_list[] = {EGL_GPU_HINT_1,
+ EGL_GPU_LEVEL_0,
+ EGL_NONE };
+ if((gpuHint->mCurrGPUPerfMode != EGL_GPU_LEVEL_0) &&
+ !eglGpuPerfHintQCOM(gpuHint->mEGLDisplay,
+ gpuHint->mEGLContext, attr_list)) {
+ ALOGW("eglGpuPerfHintQCOM failed for Built in display");
+ } else {
+ gpuHint->mCurrGPUPerfMode = EGL_GPU_LEVEL_0;
+ }
+ gpuHint->mPrevCompositionGLES = false;
+ }
+}
+
void BwcPM::setBwc(const hwc_rect_t& crop,
const hwc_rect_t& dst, const int& transform,
ovutils::eMdpFlags& mdpFlags) {