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linepattern in progress

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This commit is contained in:
Lauren Budorick
2014-07-25 18:17:37 -07:00
committed by John Firebaugh
parent c1280f0b38
commit 71c31cee24
9 changed files with 333 additions and 13 deletions
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57
src/renderer/painter_line.cpp
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@@ -1,6 +1,9 @@
#include <mbgl/renderer/painter.hpp>
#include <mbgl/renderer/line_bucket.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/style/style_layer.hpp>
#include <mbgl/map/sprite.hpp>
#include <mbgl/geometry/sprite_atlas.hpp>
#include <mbgl/map/map.hpp>
using namespace mbgl;
@@ -60,20 +63,50 @@ void Painter::renderLine(LineBucket& bucket, std::shared_ptr<StyleLayer> layer_d
bucket.drawPoints(*linejoinShader);
}
// var imagePos = properties.image && imageSprite.getPosition(properties.image);
bool imagePos = false;
if (imagePos) {
// var factor = 8 / Math.pow(2, painter.transform.zoom - params.z);
const std::shared_ptr<Sprite> &sprite = map.getSprite();
if (properties.image.size() && sprite) {
SpriteAtlas &spriteAtlas = *map.getSpriteAtlas();
Rect<uint16_t> imagePos = spriteAtlas.getImage(properties.image, *sprite);
float factor = 8.0 / std::pow(2, map.getState().getIntegerZoom() - id.z);
float fade = std::fmod(map.getState().getZoom(), 1.0);
// imageSprite.bind(gl, true);
std::array<float, 2> imageSize = {{
imagePos.w * factor,
imagePos.h * factor
}
};
// //factor = Math.pow(2, 4 - painter.transform.zoom + params.z);
// gl.switchShader(painter.linepatternShader, painter.translatedMatrix || painter.posMatrix, painter.extrudeMatrix);
// shader = painter.linepatternShader;
// glUniform2fv(painter.linepatternShader.u_pattern_size, [imagePos.size[0] * factor, imagePos.size[1] ]);
// glUniform2fv(painter.linepatternShader.u_pattern_tl, imagePos.tl);
// glUniform2fv(painter.linepatternShader.u_pattern_br, imagePos.br);
// glUniform1f(painter.linepatternShader.u_fade, painter.transform.z % 1.0);
std::array<float, 2> offset = {{
(float)std::fmod(id.x * 4096, imageSize[0]),
(float)std::fmod(id.y * 4096, imageSize[1])
}
};
useProgram(linepatternShader->program);
linepatternShader->setMatrix(vtxMatrix);
linepatternShader->setExtrudeMatrix(extrudeMatrix);
lineShader->setDashArray({{ dash_length, dash_gap }});
linepatternShader->setLineWidth({{ outset, inset }});
linepatternShader->setRatio(map.getState().getPixelRatio());
linepatternShader->setPatternSize(imageSize);
linepatternShader->setPatternTopLeft({{
float(imagePos.x) / spriteAtlas.getWidth(),
float(imagePos.y) / spriteAtlas.getHeight(),
}});
linepatternShader->setPatternBottomRight({{
float(imagePos.x + imagePos.w) / spriteAtlas.getWidth(),
float(imagePos.y + imagePos.h) / spriteAtlas.getHeight(),
}});
linepatternShader->setOffset(offset);
linepatternShader->setGamma(map.getState().getPixelRatio());
linepatternShader->setFade(fade);
spriteAtlas.bind(true);
glDepthRange(strata + strata_epsilon, 1.0f); // may or may not matter
bucket.drawLinePatterns(*linepatternShader);
} else {
useProgram(lineShader->program);