diff options
Diffstat (limited to 'src/mbgl/renderer/layers/render_background_layer.cpp')
-rw-r--r-- | src/mbgl/renderer/layers/render_background_layer.cpp | 75 |
1 files changed, 74 insertions, 1 deletions
diff --git a/src/mbgl/renderer/layers/render_background_layer.cpp b/src/mbgl/renderer/layers/render_background_layer.cpp index f17d8d9eed..cbf8d2f074 100644 --- a/src/mbgl/renderer/layers/render_background_layer.cpp +++ b/src/mbgl/renderer/layers/render_background_layer.cpp @@ -2,9 +2,16 @@ #include <mbgl/style/layers/background_layer_impl.hpp> #include <mbgl/renderer/bucket.hpp> #include <mbgl/renderer/painter.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/util/tile_cover.hpp> namespace mbgl { +using namespace style; + RenderBackgroundLayer::RenderBackgroundLayer(Immutable<style::BackgroundLayer::Impl> _impl) : RenderLayer(style::LayerType::Background, _impl), unevaluated(impl().paint.untransitioned()) { @@ -36,7 +43,73 @@ bool RenderBackgroundLayer::hasTransition() const { } void RenderBackgroundLayer::render(Painter& painter, PaintParameters& parameters, RenderSource*) { - painter.renderBackground(parameters, *this); + // Note that for bottommost layers without a pattern, the background color is drawn with + // glClear rather than this method. + + style::FillPaintProperties::PossiblyEvaluated properties; + properties.get<FillPattern>() = evaluated.get<BackgroundPattern>(); + properties.get<FillOpacity>() = { evaluated.get<BackgroundOpacity>() }; + properties.get<FillColor>() = { evaluated.get<BackgroundColor>() }; + + const FillProgram::PaintPropertyBinders paintAttibuteData(properties, 0); + + if (!evaluated.get<BackgroundPattern>().to.empty()) { + optional<ImagePosition> imagePosA = painter.imageManager->getPattern(evaluated.get<BackgroundPattern>().from); + optional<ImagePosition> imagePosB = painter.imageManager->getPattern(evaluated.get<BackgroundPattern>().to); + + if (!imagePosA || !imagePosB) + return; + + painter.imageManager->bind(painter.context, 0); + + for (const auto& tileID : util::tileCover(painter.state, painter.state.getIntegerZoom())) { + parameters.programs.fillPattern.get(properties).draw( + painter.context, + gl::Triangles(), + painter.depthModeForSublayer(0, gl::DepthMode::ReadOnly), + gl::StencilMode::disabled(), + painter.colorModeForRenderPass(), + FillPatternUniforms::values( + painter.matrixForTile(tileID), + painter.context.viewport.getCurrentValue().size, + painter.imageManager->getPixelSize(), + *imagePosA, + *imagePosB, + evaluated.get<BackgroundPattern>(), + tileID, + painter.state + ), + painter.tileVertexBuffer, + painter.quadTriangleIndexBuffer, + painter.tileTriangleSegments, + paintAttibuteData, + properties, + painter.state.getZoom(), + getID() + ); + } + } else { + for (const auto& tileID : util::tileCover(painter.state, painter.state.getIntegerZoom())) { + parameters.programs.fill.get(properties).draw( + painter.context, + gl::Triangles(), + painter.depthModeForSublayer(0, gl::DepthMode::ReadOnly), + gl::StencilMode::disabled(), + painter.colorModeForRenderPass(), + FillProgram::UniformValues { + uniforms::u_matrix::Value{ painter.matrixForTile(tileID) }, + uniforms::u_world::Value{ painter.context.viewport.getCurrentValue().size }, + }, + painter.tileVertexBuffer, + painter.quadTriangleIndexBuffer, + painter.tileTriangleSegments, + paintAttibuteData, + properties, + painter.state.getZoom(), + getID() + ); + } + } } } // namespace mbgl |