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#pragma once
#include <mbgl/map/transform_state.hpp>
#include <mbgl/tile/tile_id.hpp>
#include <mbgl/renderer/frame_history.hpp>
#include <mbgl/renderer/render_item.hpp>
#include <mbgl/renderer/bucket.hpp>
#include <mbgl/geometry/vao.hpp>
#include <mbgl/geometry/static_vertex_buffer.hpp>
#include <mbgl/gl/gl_config.hpp>
#include <mbgl/gl/gl.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <mbgl/util/chrono.hpp>
#include <mbgl/util/constants.hpp>
#include <array>
#include <vector>
#include <set>
#include <map>
namespace mbgl {
class RenderTile;
class SpriteAtlas;
class GlyphAtlas;
class LineAtlas;
struct FrameData;
class Tile;
class DebugBucket;
class FillBucket;
class LineBucket;
class CircleBucket;
class SymbolBucket;
class RasterBucket;
class Shaders;
class SDFShader;
class PaintParameters;
struct ClipID;
namespace util {
class ObjectStore;
} // namespace util
namespace style {
class Style;
class Source;
class FillLayer;
class LineLayer;
class CircleLayer;
class SymbolLayer;
class RasterLayer;
class BackgroundLayer;
} // namespace style
struct FrameData {
std::array<uint16_t, 2> framebufferSize;
TimePoint timePoint;
float pixelRatio;
MapMode mapMode;
GLContextMode contextMode;
MapDebugOptions debugOptions;
};
class Painter : private util::noncopyable {
public:
Painter(const TransformState&, gl::ObjectStore&);
~Painter();
void render(const style::Style&,
const FrameData&,
SpriteAtlas& annotationSpriteAtlas);
// Renders debug information for a tile.
void renderTileDebug(const RenderTile&);
// Renders the red debug frame around a tile, visualizing its perimeter.
void renderDebugFrame(const mat4 &matrix);
void renderClipMasks();
void renderDebugText(Tile&, const mat4&);
void renderFill(PaintParameters&, FillBucket&, const style::FillLayer&, const UnwrappedTileID&, const mat4&);
void renderLine(PaintParameters&, LineBucket&, const style::LineLayer&, const UnwrappedTileID&, const mat4&);
void renderCircle(PaintParameters&, CircleBucket&, const style::CircleLayer&, const UnwrappedTileID&, const mat4&);
void renderSymbol(PaintParameters&, SymbolBucket&, const style::SymbolLayer&, const UnwrappedTileID&, const mat4&);
void renderRaster(PaintParameters&, RasterBucket&, const style::RasterLayer&, const UnwrappedTileID&, const mat4&);
void renderBackground(PaintParameters&, const style::BackgroundLayer&);
float saturationFactor(float saturation);
float contrastFactor(float contrast);
std::array<float, 3> spinWeights(float spin_value);
void drawClippingMasks(PaintParameters&, const std::map<UnwrappedTileID, ClipID>&);
bool needsAnimation() const;
private:
mat4 translatedMatrix(const mat4& matrix,
const std::array<float, 2>& translation,
const UnwrappedTileID& id,
style::TranslateAnchorType anchor);
std::vector<RenderItem> determineRenderOrder(const style::Style&);
template <class Iterator>
void renderPass(PaintParameters&,
RenderPass,
Iterator it, Iterator end,
GLsizei i, int8_t increment);
void setClipping(const ClipID&);
void renderSDF(SymbolBucket &bucket,
const UnwrappedTileID &tileID,
const mat4 &matrixSymbol,
float scaleDivisor,
std::array<float, 2> texsize,
SDFShader& sdfShader,
void (SymbolBucket::*drawSDF)(SDFShader&, gl::ObjectStore&, bool),
// Layout
style::AlignmentType rotationAlignment,
style::AlignmentType pitchAlignment,
float layoutSize,
// Paint
float opacity,
Color color,
Color haloColor,
float haloWidth,
float haloBlur,
std::array<float, 2> translate,
style::TranslateAnchorType translateAnchor,
float paintSize);
void setDepthSublayer(int n);
bool isOverdraw() const { return frame.debugOptions & MapDebugOptions::Overdraw; }
mat4 projMatrix;
mat4 nativeMatrix;
std::array<float, 2> pixelsToGLUnits;
// used to composite images and flips the geometry upside down
const mat4 flipMatrix = []{
mat4 flip;
matrix::ortho(flip, 0, util::EXTENT, -util::EXTENT, 0, 0, 1);
matrix::translate(flip, flip, 0, -util::EXTENT, 0);
return flip;
}();
const mat4 identityMatrix = []{
mat4 identity;
matrix::identity(identity);
return identity;
}();
const TransformState& state;
gl::ObjectStore& store;
FrameData frame;
int indent = 0;
gl::Config config;
RenderPass pass = RenderPass::Opaque;
int numSublayers = 3;
GLsizei currentLayer;
float depthRangeSize;
const float depthEpsilon = 1.0f / (1 << 16);
SpriteAtlas* spriteAtlas = nullptr;
GlyphAtlas* glyphAtlas = nullptr;
LineAtlas* lineAtlas = nullptr;
FrameHistory frameHistory;
std::unique_ptr<Shaders> shaders;
std::unique_ptr<Shaders> overdrawShaders;
// Set up the stencil quad we're using to generate the stencil mask.
StaticVertexBuffer tileStencilBuffer {
// top left triangle
{{ 0, 0 }},
{{ util::EXTENT, 0 }},
{{ 0, util::EXTENT }},
// bottom right triangle
{{ util::EXTENT, 0 }},
{{ 0, util::EXTENT }},
{{ util::EXTENT, util::EXTENT }},
};
StaticRasterVertexBuffer rasterBoundsBuffer {
{{ 0, 0, 0, 0 }},
{{ util::EXTENT, 0, 32767, 0 }},
{{ 0, util::EXTENT, 0, 32767 }},
{{ util::EXTENT, util::EXTENT, 32767, 32767 }},
};
// Set up the tile boundary lines we're using to draw the tile outlines.
StaticVertexBuffer tileBorderBuffer {
{{ 0, 0 }},
{{ util::EXTENT, 0 }},
{{ util::EXTENT, util::EXTENT }},
{{ 0, util::EXTENT }},
{{ 0, 0 }},
};
VertexArrayObject tileBorderArray;
};
} // namespace mbgl
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