void RenderTile::finishRender(PaintParameters& parameters) {
if (!used || parameters.debugOptions == MapDebugOptions::NoDebug)
return;
static const style::Properties<>::PossiblyEvaluated properties {};
static const DebugProgram::PaintPropertyBinders paintAttributeData(properties, 0);
auto& program = parameters.programs.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);
}
const auto allAttributeBindings = program.computeAllAttributeBindings(
*tile.debugBucket->vertexBuffer,
paintAttributeData,
properties
);
program.draw(
parameters.context,
gl::Lines { 4.0f * parameters.pixelRatio },
gl::DepthMode::disabled(),
parameters.stencilModeForClipping(clip),
gl::ColorMode::unblended(),
gl::CullFaceMode::disabled(),
*tile.debugBucket->indexBuffer,
tile.debugBucket->segments,
program.computeAllUniformValues(
DebugProgram::UniformValues {
uniforms::u_matrix::Value( matrix ),
uniforms::u_color::Value( Color::white() )
},
paintAttributeData,
properties,
parameters.state.getZoom()
),
allAttributeBindings,
"debug"
);
program.draw(
parameters.context,
gl::Lines { 2.0f * parameters.pixelRatio },
gl::DepthMode::disabled(),
parameters.stencilModeForClipping(clip),
gl::ColorMode::unblended(),
gl::CullFaceMode::disabled(),
*tile.debugBucket->indexBuffer,
tile.debugBucket->segments,
program.computeAllUniformValues(
DebugProgram::UniformValues {
uniforms::u_matrix::Value( matrix ),
uniforms::u_color::Value( Color::black() )
},
paintAttributeData,
properties,
parameters.state.getZoom()
),
allAttributeBindings,
"debug"
);
}
if (parameters.debugOptions & MapDebugOptions::TileBorders) {
parameters.programs.debug.draw(
parameters.context,
gl::LineStrip { 4.0f * parameters.pixelRatio },
gl::DepthMode::disabled(),
parameters.stencilModeForClipping(clip),
gl::ColorMode::unblended(),
gl::CullFaceMode::disabled(),
parameters.staticData.tileBorderIndexBuffer,
parameters.staticData.tileBorderSegments,
program.computeAllUniformValues(
DebugProgram::UniformValues {
uniforms::u_matrix::Value( matrix ),
uniforms::u_color::Value( Color::red() )
},
paintAttributeData,
properties,
parameters.state.getZoom()
),
program.computeAllAttributeBindings(
parameters.staticData.tileVertexBuffer,
paintAttributeData,
properties
),
"debug"
);
}
}
void RenderHeatmapLayer::render(PaintParameters& parameters, RenderSource*) {
if (parameters.pass == RenderPass::Opaque) {
return;
}
if (parameters.pass == RenderPass::Pass3D) {
const auto& viewportSize = parameters.staticData.backendSize;
const auto size = Size{viewportSize.width / 4, viewportSize.height / 4};
if (!renderTexture || renderTexture->getSize() != size) {
if (parameters.context.supportsHalfFloatTextures) {
renderTexture = OffscreenTexture(parameters.context, size, gl::TextureType::HalfFloat);
try {
renderTexture->bind();
} catch (const std::runtime_error& ex) {
// can't render to a half-float texture; falling back to unsigned byte one
renderTexture = nullopt;
parameters.context.supportsHalfFloatTextures = false;
}
}
if (!parameters.context.supportsHalfFloatTextures || !renderTexture) {
renderTexture = OffscreenTexture(parameters.context, size, gl::TextureType::UnsignedByte);
renderTexture->bind();
}
} else {
renderTexture->bind();
}
if (!colorRampTexture) {
colorRampTexture = parameters.context.createTexture(colorRamp, 1, gl::TextureType::UnsignedByte);
}
parameters.context.clear(Color{ 0.0f, 0.0f, 0.0f, 1.0f }, {}, {});
for (const RenderTile& tile : renderTiles) {
auto bucket_ = tile.tile.getBucket<HeatmapBucket>(*baseImpl);
if (!bucket_) {
continue;
}
HeatmapBucket& bucket = *bucket_;
const auto extrudeScale = tile.id.pixelsToTileUnits(1, parameters.state.getZoom());
const auto stencilMode = parameters.mapMode != MapMode::Continuous
? parameters.stencilModeForClipping(tile.clip)
: gl::StencilMode::disabled();
const auto& paintPropertyBinders = bucket.paintPropertyBinders.at(getID());
auto& programInstance = parameters.programs.heatmap.get(evaluated);
const auto allUniformValues = programInstance.computeAllUniformValues(
HeatmapProgram::UniformValues {
uniforms::u_intensity::Value( evaluated.get<style::HeatmapIntensity>() ),
uniforms::u_matrix::Value( tile.matrix ),
uniforms::heatmap::u_extrude_scale::Value( extrudeScale )
},
paintPropertyBinders,
evaluated,
parameters.state.getZoom()
);
const auto allAttributeBindings = programInstance.computeAllAttributeBindings(
*bucket.vertexBuffer,
paintPropertyBinders,
evaluated
);
checkRenderability(parameters, programInstance.activeBindingCount(allAttributeBindings));
programInstance.draw(
parameters.context,
gl::Triangles(),
parameters.depthModeForSublayer(0, gl::DepthMode::ReadOnly),
stencilMode,
gl::ColorMode::additive(),
gl::CullFaceMode::disabled(),
*bucket.indexBuffer,
bucket.segments,
allUniformValues,
allAttributeBindings,
getID()
);
}
} else if (parameters.pass == RenderPass::Translucent) {
parameters.context.bindTexture(renderTexture->getTexture(), 0, gl::TextureFilter::Linear);
parameters.context.bindTexture(*colorRampTexture, 1, gl::TextureFilter::Linear);
const auto& size = parameters.staticData.backendSize;
mat4 viewportMat;
matrix::ortho(viewportMat, 0, size.width, size.height, 0, 0, 1);
const Properties<>::PossiblyEvaluated properties;
const HeatmapTextureProgram::PaintPropertyBinders paintAttributeData{ properties, 0 };
auto& programInstance = parameters.programs.heatmapTexture;
const auto allUniformValues = programInstance.computeAllUniformValues(
HeatmapTextureProgram::UniformValues{
uniforms::u_matrix::Value( viewportMat ), uniforms::u_world::Value( size ),
uniforms::u_image::Value( 0 ),
uniforms::u_color_ramp::Value( 1 ),
uniforms::u_opacity::Value( evaluated.get<HeatmapOpacity>() )
},
paintAttributeData,
properties,
parameters.state.getZoom()
);
const auto allAttributeBindings = programInstance.computeAllAttributeBindings(
parameters.staticData.extrusionTextureVertexBuffer,
paintAttributeData,
properties
);
checkRenderability(parameters, programInstance.activeBindingCount(allAttributeBindings));
programInstance.draw(
parameters.context,
gl::Triangles(),
gl::DepthMode::disabled(),
gl::StencilMode::disabled(),
parameters.colorModeForRenderPass(),
gl::CullFaceMode::disabled(),
parameters.staticData.quadTriangleIndexBuffer,
parameters.staticData.extrusionTextureSegments,
allUniformValues,
allAttributeBindings,
getID()
);
}
}
void RenderFillLayer::render(PaintParameters& parameters, RenderSource*) {
if (evaluated.get<FillPattern>().from.empty()) {
for (const RenderTile& tile : renderTiles) {
assert(dynamic_cast<FillBucket*>(tile.tile.getBucket(*baseImpl)));
FillBucket& bucket = *reinterpret_cast<FillBucket*>(tile.tile.getBucket(*baseImpl));
auto draw = [&] (auto& program,
const auto& drawMode,
const auto& depthMode,
const auto& indexBuffer,
const auto& segments) {
program.get(evaluated).draw(
parameters.context,
drawMode,
depthMode,
parameters.stencilModeForClipping(tile.clip),
parameters.colorModeForRenderPass(),
FillProgram::UniformValues {
uniforms::u_matrix::Value{
tile.translatedMatrix(evaluated.get<FillTranslate>(),
evaluated.get<FillTranslateAnchor>(),
parameters.state)
},
uniforms::u_world::Value{ parameters.context.viewport.getCurrentValue().size },
},
*bucket.vertexBuffer,
indexBuffer,
segments,
bucket.paintPropertyBinders.at(getID()),
evaluated,
parameters.state.getZoom(),
getID()
);
};
// Only draw the fill when it's opaque and we're drawing opaque fragments,
// or when it's translucent and we're drawing translucent fragments.
if ((evaluated.get<FillColor>().constantOr(Color()).a >= 1.0f
&& evaluated.get<FillOpacity>().constantOr(0) >= 1.0f) == (parameters.pass == RenderPass::Opaque)) {
draw(parameters.programs.fill,
gl::Triangles(),
parameters.depthModeForSublayer(1, parameters.pass == RenderPass::Opaque
? gl::DepthMode::ReadWrite
: gl::DepthMode::ReadOnly),
*bucket.triangleIndexBuffer,
bucket.triangleSegments);
}
if (evaluated.get<FillAntialias>() && parameters.pass == RenderPass::Translucent) {
draw(parameters.programs.fillOutline,
gl::Lines{ 2.0f },
parameters.depthModeForSublayer(
unevaluated.get<FillOutlineColor>().isUndefined() ? 2 : 0,
gl::DepthMode::ReadOnly),
*bucket.lineIndexBuffer,
bucket.lineSegments);
}
}
} else {
if (parameters.pass != RenderPass::Translucent) {
return;
}
optional<ImagePosition> imagePosA = parameters.imageManager.getPattern(evaluated.get<FillPattern>().from);
optional<ImagePosition> imagePosB = parameters.imageManager.getPattern(evaluated.get<FillPattern>().to);
if (!imagePosA || !imagePosB) {
return;
}
parameters.imageManager.bind(parameters.context, 0);
for (const RenderTile& tile : renderTiles) {
assert(dynamic_cast<FillBucket*>(tile.tile.getBucket(*baseImpl)));
FillBucket& bucket = *reinterpret_cast<FillBucket*>(tile.tile.getBucket(*baseImpl));
auto draw = [&] (auto& program,
const auto& drawMode,
const auto& depthMode,
const auto& indexBuffer,
const auto& segments) {
program.get(evaluated).draw(
parameters.context,
drawMode,
depthMode,
parameters.stencilModeForClipping(tile.clip),
parameters.colorModeForRenderPass(),
FillPatternUniforms::values(
tile.translatedMatrix(evaluated.get<FillTranslate>(),
evaluated.get<FillTranslateAnchor>(),
parameters.state),
parameters.context.viewport.getCurrentValue().size,
parameters.imageManager.getPixelSize(),
*imagePosA,
*imagePosB,
evaluated.get<FillPattern>(),
tile.id,
parameters.state
),
*bucket.vertexBuffer,
indexBuffer,
segments,
bucket.paintPropertyBinders.at(getID()),
evaluated,
parameters.state.getZoom(),
getID()
);
};
draw(parameters.programs.fillPattern,
gl::Triangles(),
parameters.depthModeForSublayer(1, gl::DepthMode::ReadWrite),
*bucket.triangleIndexBuffer,
bucket.triangleSegments);
if (evaluated.get<FillAntialias>() && unevaluated.get<FillOutlineColor>().isUndefined()) {
draw(parameters.programs.fillOutlinePattern,
gl::Lines { 2.0f },
parameters.depthModeForSublayer(2, gl::DepthMode::ReadOnly),
*bucket.lineIndexBuffer,
bucket.lineSegments);
}
}
}
}
