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Added FrameTime. (#3521)

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This commit is contained in:
Branimir Karadžić
2025-12-23 20:03:52 -08:00
committed by GitHub
parent 9d63c39a44
commit 3ddf1ed032
47 changed files with 608 additions and 590 deletions
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42
examples/02-metaballs/metaballs.cpp
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@@ -537,7 +537,7 @@ public:
m_program = bgfx::createProgram(vsh, fsh, true /* destroy shaders when program is destroyed */);
m_grid = new Grid[kMaxDims*kMaxDims*kMaxDims];
m_timeOffset = bx::getHPCounter();
m_frameTime.reset();
imguiCreate();
}
@@ -564,6 +564,9 @@ public:
if (!entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState) )
{
m_frameTime.frame();
const float time = bx::toSeconds<float>(m_frameTime.getDurationTime() );
imguiBeginFrame(m_mouseState.m_mx
, m_mouseState.m_my
, (m_mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
@@ -606,14 +609,6 @@ public:
// if no other draw calls are submitted to view 0.
bgfx::touch(0);
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
float time = (float)( (now - m_timeOffset)/double(bx::getHPFrequency() ) );
const bx::Vec3 at = { 0.0f, 0.0f, 0.0f };
const bx::Vec3 eye = { 0.0f, 0.0f, -50.0f };
@@ -632,9 +627,9 @@ public:
// Stats.
uint32_t numVertices = 0;
int64_t profUpdate = 0;
int64_t profNormal = 0;
int64_t profTriangulate = 0;
bx::Ticks profUpdate = bx::InitZero;
bx::Ticks profNormal = bx::InitZero;
bx::Ticks profTriangulate = bx::InitZero;
// Allocate 32K vertices in transient vertex buffer.
uint32_t maxVertices = (32<<10);
@@ -651,7 +646,7 @@ public:
sphere[ii][3] = 1.0f/(3.0f + (bx::sin(time*(ii*0.13f) )*0.5f+0.5f)*0.9f );
}
profUpdate = bx::getHPCounter();
profUpdate = bx::getNow();
for (uint32_t zz = 0; zz < numDims; ++zz)
{
@@ -685,9 +680,9 @@ public:
}
}
profUpdate = bx::getHPCounter() - profUpdate;
profUpdate = bx::getNow() - profUpdate;
profNormal = bx::getHPCounter();
profNormal = bx::getNow();
for (uint32_t zz = 1; zz < numDims-1; ++zz)
{
@@ -712,9 +707,9 @@ public:
}
}
profNormal = bx::getHPCounter() - profNormal;
profNormal = bx::getNow() - profNormal;
profTriangulate = bx::getHPCounter();
profTriangulate = bx::getNow();
PosNormalColorVertex* vertex = (PosNormalColorVertex*)tvb.data;
@@ -772,7 +767,7 @@ public:
}
}
profTriangulate = bx::getHPCounter() - profTriangulate;
profTriangulate = bx::getNow() - profTriangulate;
float mtx[16];
bx::mtxRotateXY(mtx, time*0.67f, time);
@@ -804,10 +799,10 @@ public:
);
ImGui::Text("Num vertices:"); ImGui::SameLine(100); ImGui::Text("%5d (%6.4f%%)", numVertices, float(numVertices)/maxVertices * 100);
ImGui::Text("Update:"); ImGui::SameLine(100); ImGui::Text("% 7.3f[ms]", double(profUpdate)*toMs);
ImGui::Text("Calc normals:"); ImGui::SameLine(100); ImGui::Text("% 7.3f[ms]", double(profNormal)*toMs);
ImGui::Text("Triangulate:"); ImGui::SameLine(100); ImGui::Text("% 7.3f[ms]", double(profTriangulate)*toMs);
ImGui::Text("Frame:"); ImGui::SameLine(100); ImGui::Text("% 7.3f[ms]", double(frameTime)*toMs);
ImGui::Text("Update:"); ImGui::SameLine(100); ImGui::Text("% 7.3f[ms]", bx::toMilliseconds<double>(profUpdate) );
ImGui::Text("Calc normals:"); ImGui::SameLine(100); ImGui::Text("% 7.3f[ms]", bx::toMilliseconds<double>(profNormal) );
ImGui::Text("Triangulate:"); ImGui::SameLine(100); ImGui::Text("% 7.3f[ms]", bx::toMilliseconds<double>(profTriangulate) );
ImGui::Text("Frame:"); ImGui::SameLine(100); ImGui::Text("% 7.3f[ms]", bx::toMilliseconds<double>(m_frameTime.getDeltaTime() ) );
ImGui::End();
@@ -832,7 +827,8 @@ public:
bgfx::ProgramHandle m_program;
Grid* m_grid;
int64_t m_timeOffset;
FrameTime m_frameTime;
};
} // namespace