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#include <mbgl/renderer/painter.hpp>
#include <mbgl/renderer/paint_parameters.hpp>
#include <mbgl/renderer/fill_bucket.hpp>
#include <mbgl/renderer/render_tile.hpp>
#include <mbgl/style/layers/fill_layer.hpp>
#include <mbgl/style/layers/fill_layer_impl.hpp>
#include <mbgl/sprite/sprite_atlas.hpp>
#include <mbgl/programs/programs.hpp>
#include <mbgl/programs/fill_program.hpp>
#include <mbgl/util/convert.hpp>
namespace mbgl {
using namespace style;
void Painter::renderFill(PaintParameters& parameters,
FillBucket& bucket,
const FillLayer& layer,
const RenderTile& tile) {
const FillPaintProperties::Evaluated& properties = layer.impl->paint.evaluated;
if (!properties.get<FillPattern>().from.empty()) {
if (pass != RenderPass::Translucent) {
return;
}
optional<SpriteAtlasPosition> imagePosA = spriteAtlas->getPosition(
properties.get<FillPattern>().from, SpritePatternMode::Repeating);
optional<SpriteAtlasPosition> imagePosB = spriteAtlas->getPosition(
properties.get<FillPattern>().to, SpritePatternMode::Repeating);
if (!imagePosA || !imagePosB) {
return;
}
spriteAtlas->bind(true, context, 0);
auto draw = [&] (uint8_t sublayer,
auto& program,
const auto& drawMode,
const auto& indexBuffer,
const auto& segments) {
program.draw(
context,
drawMode,
depthModeForSublayer(sublayer, gl::DepthMode::ReadWrite),
stencilModeForClipping(tile.clip),
colorModeForRenderPass(),
FillPatternUniforms::values(
tile.translatedMatrix(properties.get<FillTranslate>(),
properties.get<FillTranslateAnchor>(),
state),
context.viewport.getCurrentValue().size,
*imagePosA,
*imagePosB,
properties.get<FillPattern>(),
tile.id,
state
),
*bucket.vertexBuffer,
indexBuffer,
segments,
bucket.paintPropertyBinders.at(layer.getID()),
properties,
state.getZoom()
);
};
draw(0,
parameters.programs.fillPattern,
gl::Triangles(),
*bucket.triangleIndexBuffer,
bucket.triangleSegments);
if (!properties.get<FillAntialias>() || !layer.impl->paint.unevaluated.get<FillOutlineColor>().isUndefined()) {
return;
}
draw(2,
parameters.programs.fillOutlinePattern,
gl::Lines { 2.0f },
*bucket.lineIndexBuffer,
bucket.lineSegments);
} else {
auto draw = [&] (uint8_t sublayer,
auto& program,
const auto& drawMode,
const auto& indexBuffer,
const auto& segments) {
program.draw(
context,
drawMode,
depthModeForSublayer(sublayer, gl::DepthMode::ReadWrite),
stencilModeForClipping(tile.clip),
colorModeForRenderPass(),
FillProgram::UniformValues {
uniforms::u_matrix::Value{
tile.translatedMatrix(properties.get<FillTranslate>(),
properties.get<FillTranslateAnchor>(),
state)
},
uniforms::u_world::Value{ context.viewport.getCurrentValue().size },
},
*bucket.vertexBuffer,
indexBuffer,
segments,
bucket.paintPropertyBinders.at(layer.getID()),
properties,
state.getZoom()
);
};
if (properties.get<FillAntialias>() && !layer.impl->paint.unevaluated.get<FillOutlineColor>().isUndefined() && pass == RenderPass::Translucent) {
draw(2,
parameters.programs.fillOutline,
gl::Lines { 2.0f },
*bucket.lineIndexBuffer,
bucket.lineSegments);
}
// 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 ((properties.get<FillColor>().constantOr(Color()).a >= 1.0f
&& properties.get<FillOpacity>().constantOr(0) >= 1.0f) == (pass == RenderPass::Opaque)) {
draw(1,
parameters.programs.fill,
gl::Triangles(),
*bucket.triangleIndexBuffer,
bucket.triangleSegments);
}
if (properties.get<FillAntialias>() && layer.impl->paint.unevaluated.get<FillOutlineColor>().isUndefined() && pass == RenderPass::Translucent) {
draw(2,
parameters.programs.fillOutline,
gl::Lines { 2.0f },
*bucket.lineIndexBuffer,
bucket.lineSegments);
}
}
}
} // namespace mbgl
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