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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& properties = layer.impl->paint;
if (!properties.fillPattern.value.from.empty()) {
if (pass != RenderPass::Translucent) {
return;
}
optional<SpriteAtlasPosition> imagePosA = spriteAtlas->getPosition(
properties.fillPattern.value.from, SpritePatternMode::Repeating);
optional<SpriteAtlasPosition> imagePosB = spriteAtlas->getPosition(
properties.fillPattern.value.to, SpritePatternMode::Repeating);
if (!imagePosA || !imagePosB) {
return;
}
spriteAtlas->bind(true, context, 0);
auto draw = [&] (uint8_t sublayer,
auto& program,
const auto& drawMode,
const auto& vertexBuffer,
const auto& indexBuffer,
const auto& segments) {
program.draw(
context,
drawMode,
depthModeForSublayer(sublayer, gl::DepthMode::ReadWrite),
stencilModeForClipping(tile.clip),
colorModeForRenderPass(),
FillPatternUniforms::values(
tile.translatedMatrix(properties.fillTranslate.value,
properties.fillTranslateAnchor.value,
state),
properties.fillOpacity.value,
context.viewport.getCurrentValue().size,
*imagePosA,
*imagePosB,
properties.fillPattern.value,
tile.id,
state
),
vertexBuffer,
indexBuffer,
segments
);
};
draw(0,
parameters.programs.fillPattern,
gl::Triangles(),
*bucket.vertexBuffer,
*bucket.triangleIndexBuffer,
bucket.triangleSegments);
if (!properties.fillAntialias.value || !properties.fillOutlineColor.isUndefined()) {
return;
}
draw(2,
parameters.programs.fillOutlinePattern,
gl::Lines { 2.0f },
*bucket.vertexBuffer,
*bucket.lineIndexBuffer,
bucket.lineSegments);
} else {
auto draw = [&] (uint8_t sublayer,
auto& program,
Color outlineColor,
const auto& drawMode,
const auto& vertexBuffer,
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.fillTranslate.value,
properties.fillTranslateAnchor.value,
state) },
uniforms::u_opacity::Value{ properties.fillOpacity.value },
uniforms::u_color::Value{ properties.fillColor.value },
uniforms::u_outline_color::Value{ outlineColor },
uniforms::u_world::Value{ context.viewport.getCurrentValue().size },
},
vertexBuffer,
indexBuffer,
segments
);
};
if (properties.fillAntialias.value && !properties.fillOutlineColor.isUndefined() && pass == RenderPass::Translucent) {
draw(2,
parameters.programs.fillOutline,
properties.fillOutlineColor.value,
gl::Lines { 2.0f },
*bucket.vertexBuffer,
*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.fillColor.value.a >= 1.0f && properties.fillOpacity.value >= 1.0f) == (pass == RenderPass::Opaque)) {
draw(1,
parameters.programs.fill,
properties.fillOutlineColor.value,
gl::Triangles(),
*bucket.vertexBuffer,
*bucket.triangleIndexBuffer,
bucket.triangleSegments);
}
if (properties.fillAntialias.value && properties.fillOutlineColor.isUndefined() && pass == RenderPass::Translucent) {
draw(2,
parameters.programs.fillOutline,
properties.fillColor.value,
gl::Lines { 2.0f },
*bucket.vertexBuffer,
*bucket.lineIndexBuffer,
bucket.lineSegments);
}
}
}
} // namespace mbgl
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