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-rw-r--r--DEVELOPING.md11
-rw-r--r--src/mbgl/renderer/render_tile.cpp86
2 files changed, 63 insertions, 34 deletions
diff --git a/DEVELOPING.md b/DEVELOPING.md
index c5c5c53f8a..f70d1f94ea 100644
--- a/DEVELOPING.md
+++ b/DEVELOPING.md
@@ -110,3 +110,14 @@ constexpr bool test2(int i) {
- Either remove `constexpr` specifier or replace it with `inline` in case of
functions
+
+
+## [Polymorphic lambdas](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68278)
+
+GCC 5.2.0 crashes with polymorphic lambdas and this version of the compiler
+is currently used in Qt Automotive. Luckily polymorphic lambdas are rarely
+used/needed but we had one incident fixed by #9665.
+
+### Workarounds
+
+- Copy & Paste™ the code.
diff --git a/src/mbgl/renderer/render_tile.cpp b/src/mbgl/renderer/render_tile.cpp
index c9912f0563..8df31f8d7c 100644
--- a/src/mbgl/renderer/render_tile.cpp
+++ b/src/mbgl/renderer/render_tile.cpp
@@ -74,57 +74,75 @@ void RenderTile::finishRender(PaintParameters& parameters) {
static const style::Properties<>::PossiblyEvaluated properties {};
static const DebugProgram::PaintPropertyBinders paintAttibuteData(properties, 0);
- auto draw = [&] (Color color, const auto& vertexBuffer, const auto& indexBuffer, const auto& segments, auto drawMode) {
+ if (parameters.debugOptions & (MapDebugOptions::Timestamps | MapDebugOptions::ParseStatus)) {
+ if (!tile.debugBucket || tile.debugBucket->renderable != tile.isRenderable() ||
+ tile.debugBucket->complete != tile.isComplete() ||
+ !(tile.debugBucket->modified == tile.modified) ||
+ !(tile.debugBucket->expires == tile.expires) ||
+ tile.debugBucket->debugMode != parameters.debugOptions) {
+ tile.debugBucket = std::make_unique<DebugBucket>(
+ tile.id, tile.isRenderable(), tile.isComplete(), tile.modified,
+ tile.expires, parameters.debugOptions, parameters.context);
+ }
+
parameters.programs.debug.draw(
parameters.context,
- drawMode,
+ gl::Lines { 4.0f * parameters.pixelRatio },
gl::DepthMode::disabled(),
parameters.stencilModeForClipping(clip),
gl::ColorMode::unblended(),
DebugProgram::UniformValues {
uniforms::u_matrix::Value{ matrix },
- uniforms::u_color::Value{ color }
+ uniforms::u_color::Value{ Color::white() }
},
- vertexBuffer,
- indexBuffer,
- segments,
+ *tile.debugBucket->vertexBuffer,
+ *tile.debugBucket->indexBuffer,
+ tile.debugBucket->segments,
paintAttibuteData,
properties,
parameters.state.getZoom(),
"debug"
);
- };
-
- if (parameters.debugOptions & (MapDebugOptions::Timestamps | MapDebugOptions::ParseStatus)) {
- if (!tile.debugBucket || tile.debugBucket->renderable != tile.isRenderable() ||
- tile.debugBucket->complete != tile.isComplete() ||
- !(tile.debugBucket->modified == tile.modified) ||
- !(tile.debugBucket->expires == tile.expires) ||
- tile.debugBucket->debugMode != parameters.debugOptions) {
- tile.debugBucket = std::make_unique<DebugBucket>(
- tile.id, tile.isRenderable(), tile.isComplete(), tile.modified,
- tile.expires, parameters.debugOptions, parameters.context);
- }
- draw(Color::white(),
- *tile.debugBucket->vertexBuffer,
- *tile.debugBucket->indexBuffer,
- tile.debugBucket->segments,
- gl::Lines { 4.0f * parameters.pixelRatio });
-
- draw(Color::black(),
- *tile.debugBucket->vertexBuffer,
- *tile.debugBucket->indexBuffer,
- tile.debugBucket->segments,
- gl::Lines { 2.0f * parameters.pixelRatio });
+ parameters.programs.debug.draw(
+ parameters.context,
+ gl::Lines { 2.0f * parameters.pixelRatio },
+ gl::DepthMode::disabled(),
+ parameters.stencilModeForClipping(clip),
+ gl::ColorMode::unblended(),
+ DebugProgram::UniformValues {
+ uniforms::u_matrix::Value{ matrix },
+ uniforms::u_color::Value{ Color::black() }
+ },
+ *tile.debugBucket->vertexBuffer,
+ *tile.debugBucket->indexBuffer,
+ tile.debugBucket->segments,
+ paintAttibuteData,
+ properties,
+ parameters.state.getZoom(),
+ "debug"
+ );
}
if (parameters.debugOptions & MapDebugOptions::TileBorders) {
- draw(Color::red(),
- parameters.staticData.tileVertexBuffer,
- parameters.staticData.tileBorderIndexBuffer,
- parameters.staticData.tileBorderSegments,
- gl::LineStrip { 4.0f * parameters.pixelRatio });
+ parameters.programs.debug.draw(
+ parameters.context,
+ gl::LineStrip { 4.0f * parameters.pixelRatio },
+ gl::DepthMode::disabled(),
+ parameters.stencilModeForClipping(clip),
+ gl::ColorMode::unblended(),
+ DebugProgram::UniformValues {
+ uniforms::u_matrix::Value{ matrix },
+ uniforms::u_color::Value{ Color::red() }
+ },
+ parameters.staticData.tileVertexBuffer,
+ parameters.staticData.tileBorderIndexBuffer,
+ parameters.staticData.tileBorderSegments,
+ paintAttibuteData,
+ properties,
+ parameters.state.getZoom(),
+ "debug"
+ );
}
}