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#include <mbgl/renderer/layers/render_fill_layer.hpp>
#include <mbgl/renderer/buckets/fill_bucket.hpp>
#include <mbgl/renderer/render_tile.hpp>
#include <mbgl/renderer/paint_parameters.hpp>
#include <mbgl/renderer/image_manager.hpp>
#include <mbgl/programs/programs.hpp>
#include <mbgl/programs/fill_program.hpp>
#include <mbgl/tile/tile.hpp>
#include <mbgl/style/layers/fill_layer_impl.hpp>
#include <mbgl/geometry/feature_index.hpp>
#include <mbgl/util/math.hpp>
#include <mbgl/util/intersection_tests.hpp>
namespace mbgl {
using namespace style;
RenderFillLayer::RenderFillLayer(Immutable<style::FillLayer::Impl> _impl)
: RenderLayer(style::LayerType::Fill, _impl),
unevaluated(impl().paint.untransitioned()) {
}
const style::FillLayer::Impl& RenderFillLayer::impl() const {
return static_cast<const style::FillLayer::Impl&>(*baseImpl);
}
std::unique_ptr<Bucket> RenderFillLayer::createBucket(const BucketParameters& parameters, const std::vector<const RenderLayer*>& layers) const {
return std::make_unique<FillBucket>(parameters, layers);
}
void RenderFillLayer::transition(const TransitionParameters& parameters) {
unevaluated = impl().paint.transitioned(parameters, std::move(unevaluated));
}
void RenderFillLayer::evaluate(const PropertyEvaluationParameters& parameters) {
evaluated = unevaluated.evaluate(parameters);
if (unevaluated.get<style::FillOutlineColor>().isUndefined()) {
evaluated.get<style::FillOutlineColor>() = evaluated.get<style::FillColor>();
}
passes = RenderPass::None;
if (evaluated.get<style::FillAntialias>()) {
passes |= RenderPass::Translucent;
}
if (!unevaluated.get<style::FillPattern>().isUndefined()
|| evaluated.get<style::FillColor>().constantOr(Color()).a < 1.0f
|| evaluated.get<style::FillOpacity>().constantOr(0) < 1.0f) {
passes |= RenderPass::Translucent;
} else {
passes |= RenderPass::Opaque;
}
}
bool RenderFillLayer::hasTransition() const {
return unevaluated.hasTransition();
}
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) {
auto& programInstance = program.get(evaluated);
const auto& paintPropertyBinders = bucket.paintPropertyBinders.at(getID());
const auto allUniformValues = programInstance.computeAllUniformValues(
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 },
},
paintPropertyBinders,
evaluated,
parameters.state.getZoom()
);
const auto allAttributeBindings = programInstance.computeAllAttributeBindings(
*bucket.vertexBuffer,
paintPropertyBinders,
evaluated
);
checkRenderability(parameters, programInstance.activeBindingCount(allAttributeBindings));
programInstance.draw(
parameters.context,
drawMode,
depthMode,
parameters.stencilModeForClipping(tile.clip),
parameters.colorModeForRenderPass(),
indexBuffer,
segments,
allUniformValues,
allAttributeBindings,
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) {
auto& programInstance = program.get(evaluated);
const auto& paintPropertyBinders = bucket.paintPropertyBinders.at(getID());
const auto allUniformValues = programInstance.computeAllUniformValues(
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
),
paintPropertyBinders,
evaluated,
parameters.state.getZoom()
);
const auto allAttributeBindings = programInstance.computeAllAttributeBindings(
*bucket.vertexBuffer,
paintPropertyBinders,
evaluated
);
checkRenderability(parameters, programInstance.activeBindingCount(allAttributeBindings));
programInstance.draw(
parameters.context,
drawMode,
depthMode,
parameters.stencilModeForClipping(tile.clip),
parameters.colorModeForRenderPass(),
indexBuffer,
segments,
allUniformValues,
allAttributeBindings,
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);
}
}
}
}
bool RenderFillLayer::queryIntersectsFeature(
const GeometryCoordinates& queryGeometry,
const GeometryTileFeature& feature,
const float,
const TransformState& transformState,
const float pixelsToTileUnits,
const mat4&) const {
auto translatedQueryGeometry = FeatureIndex::translateQueryGeometry(
queryGeometry,
evaluated.get<style::FillTranslate>(),
evaluated.get<style::FillTranslateAnchor>(),
transformState.getAngle(),
pixelsToTileUnits);
return util::polygonIntersectsMultiPolygon(translatedQueryGeometry.value_or(queryGeometry), feature.getGeometries());
}
} // namespace mbgl
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