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[drape] reduce OGL state changes. Reduce count of tile reading

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ExMix 2014-11-18 11:10:43 +03:00 • committed by Alex Zolotarev
parent ba05a5cdc4
commit f74693640e
1 changed files with 6 additions and 1 deletions
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7
drape_frontend/frontend_renderer.cpp
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@ -213,6 +213,7 @@ void FrontendRenderer::RenderScene()
if (prevLayer != layer && layer == dp::GLState::OverlayLayer)
GLFunctions::glClearDepth();
prevLayer = layer;
ASSERT_LESS_OR_EQUAL(prevLayer, layer, ());
dp::RefPointer<dp::GpuProgram> program = m_gpuProgramManager->GetProgram(state.GetProgramIndex());
@ -278,7 +279,11 @@ void FrontendRenderer::ResolveTileKeys(set<TileKey> & keyStorage, int tileScale)
for (int tileY = minTileY; tileY < maxTileY; ++tileY)
{
for (int tileX = minTileX; tileX < maxTileX; ++tileX)
keyStorage.insert(TileKey(tileX, tileY, tileScale));
{
TileKey key(tileX, tileY, tileScale);
if (clipRect.IsIntersect(key.GetGlobalRect()))
keyStorage.insert(key);
}
}
}