TEST(Buckets, FillBucket) {
HeadlessBackend backend({ 512, 256 });
BackendScope scope { backend };
gl::Context context;
FillBucket bucket { { {0, 0, 0}, MapMode::Static, 1.0 }, {} };
ASSERT_FALSE(bucket.hasData());
ASSERT_FALSE(bucket.needsUpload());
GeometryCollection polygon { { { 0, 0 }, { 0, 1 }, { 1, 1 } } };
bucket.addFeature(StubGeometryTileFeature { {}, FeatureType::Polygon, polygon, properties }, polygon);
ASSERT_TRUE(bucket.hasData());
ASSERT_TRUE(bucket.needsUpload());
bucket.upload(context);
ASSERT_FALSE(bucket.needsUpload());
}
void Painter::renderFill(FillBucket& bucket, const FillLayer& layer, const TileID& id, const mat4& matrix) {
const FillPaintProperties& properties = layer.properties;
mat4 vtxMatrix = translatedMatrix(matrix, properties.translate, id, properties.translateAnchor);
Color fill_color = properties.fill_color;
fill_color[0] *= properties.opacity;
fill_color[1] *= properties.opacity;
fill_color[2] *= properties.opacity;
fill_color[3] *= properties.opacity;
Color stroke_color = properties.stroke_color;
if (stroke_color[3] < 0) {
stroke_color = fill_color;
} else {
stroke_color[0] *= properties.opacity;
stroke_color[1] *= properties.opacity;
stroke_color[2] *= properties.opacity;
stroke_color[3] *= properties.opacity;
}
const bool pattern = !properties.image.from.empty();
bool outline = properties.antialias && !pattern && stroke_color != fill_color;
bool fringeline = properties.antialias && !pattern && stroke_color == fill_color;
config.stencilTest = true;
config.depthTest = true;
// Because we're drawing top-to-bottom, and we update the stencil mask
// befrom, we have to draw the outline first (!)
if (outline && pass == RenderPass::Translucent) {
config.program = outlineShader->program;
outlineShader->u_matrix = vtxMatrix;
config.lineWidth = 2.0f; // This is always fixed and does not depend on the pixelRatio!
outlineShader->u_color = stroke_color;
// Draw the entire line
outlineShader->u_world = {{
static_cast<float>(frame.framebufferSize[0]),
static_cast<float>(frame.framebufferSize[1])
}};
setDepthSublayer(0);
bucket.drawVertices(*outlineShader);
}
if (pattern) {
// Image fill.
if (pass == RenderPass::Translucent) {
const SpriteAtlasPosition posA = spriteAtlas->getPosition(properties.image.from, true);
const SpriteAtlasPosition posB = spriteAtlas->getPosition(properties.image.to, true);
float factor = 8.0 / std::pow(2, state.getIntegerZoom() - id.z) / id.overscaling;
mat3 patternMatrixA;
matrix::identity(patternMatrixA);
matrix::scale(patternMatrixA, patternMatrixA,
1.0f / (posA.size[0] * factor * properties.image.fromScale),
1.0f / (posA.size[1] * factor * properties.image.fromScale));
mat3 patternMatrixB;
matrix::identity(patternMatrixB);
matrix::scale(patternMatrixB, patternMatrixB,
1.0f / (posB.size[0] * factor * properties.image.toScale),
1.0f / (posB.size[1] * factor * properties.image.toScale));
config.program = patternShader->program;
patternShader->u_matrix = vtxMatrix;
patternShader->u_pattern_tl_a = posA.tl;
patternShader->u_pattern_br_a = posA.br;
patternShader->u_pattern_tl_b = posB.tl;
patternShader->u_pattern_br_b = posB.br;
patternShader->u_opacity = properties.opacity;
patternShader->u_image = 0;
patternShader->u_mix = properties.image.t;
patternShader->u_patternmatrix_a = patternMatrixA;
patternShader->u_patternmatrix_b = patternMatrixB;
MBGL_CHECK_ERROR(glActiveTexture(GL_TEXTURE0));
spriteAtlas->bind(true);
// Draw the actual triangles into the color & stencil buffer.
config.depthMask = GL_TRUE;
setDepthSublayer(0);
bucket.drawElements(*patternShader);
}
}
else {
// No image fill.
if ((fill_color[3] >= 1.0f) == (pass == RenderPass::Opaque)) {
// Only draw the fill when it's either opaque and we're drawing opaque
// fragments or when it's translucent and we're drawing translucent
// fragments
// Draw filling rectangle.
config.program = plainShader->program;
plainShader->u_matrix = vtxMatrix;
plainShader->u_color = fill_color;
// Draw the actual triangles into the color & stencil buffer.
config.depthMask = GL_TRUE;
setDepthSublayer(1);
bucket.drawElements(*plainShader);
}
}
// Because we're drawing top-to-bottom, and we update the stencil mask
// below, we have to draw the outline first (!)
if (fringeline && pass == RenderPass::Translucent) {
config.program = outlineShader->program;
outlineShader->u_matrix = vtxMatrix;
config.lineWidth = 2.0f; // This is always fixed and does not depend on the pixelRatio!
outlineShader->u_color = fill_color;
// Draw the entire line
outlineShader->u_world = {{
static_cast<float>(frame.framebufferSize[0]),
static_cast<float>(frame.framebufferSize[1])
}};
setDepthSublayer(2);
bucket.drawVertices(*outlineShader);
}
}
void Painter::renderFill(FillBucket& bucket,
const FillLayer& layer,
const UnwrappedTileID& tileID,
const mat4& matrix) {
const FillPaintProperties& properties = layer.paint;
mat4 vtxMatrix =
translatedMatrix(matrix, properties.fillTranslate, tileID, properties.fillTranslateAnchor);
Color fill_color = properties.fillColor;
float opacity = properties.fillOpacity;
Color stroke_color = properties.fillOutlineColor;
if (stroke_color[3] < 0) {
stroke_color = fill_color;
}
bool pattern = !properties.fillPattern.value.from.empty();
bool outline = properties.fillAntialias && !pattern && stroke_color != fill_color;
bool fringeline = properties.fillAntialias && !pattern && stroke_color == fill_color;
bool wireframe = frame.debugOptions & MapDebugOptions::Wireframe;
if (wireframe) {
fill_color = {{ 1.0f, 1.0f, 1.0f, 1.0f }};
stroke_color = {{ 1.0f, 1.0f, 1.0f, 1.0f }};
opacity = 1.0f;
pattern = false;
outline = true;
fringeline = true;
}
config.stencilOp.reset();
config.stencilTest = GL_TRUE;
config.depthFunc.reset();
config.depthTest = GL_TRUE;
config.depthMask = GL_TRUE;
// Because we're drawing top-to-bottom, and we update the stencil mask
// befrom, we have to draw the outline first (!)
if (outline && pass == RenderPass::Translucent) {
config.program = outlineShader->getID();
outlineShader->u_matrix = vtxMatrix;
config.lineWidth = 2.0f; // This is always fixed and does not depend on the pixelRatio!
outlineShader->u_color = stroke_color;
outlineShader->u_opacity = opacity;
// Draw the entire line
outlineShader->u_world = {{
static_cast<float>(frame.framebufferSize[0]),
static_cast<float>(frame.framebufferSize[1])
}};
setDepthSublayer(0);
bucket.drawVertices(*outlineShader, store);
}
if (pattern) {
optional<SpriteAtlasPosition> posA = spriteAtlas->getPosition(properties.fillPattern.value.from, true);
optional<SpriteAtlasPosition> posB = spriteAtlas->getPosition(properties.fillPattern.value.to, true);
// Image fill.
if (pass == RenderPass::Translucent && posA && posB) {
config.program = patternShader->getID();
patternShader->u_matrix = vtxMatrix;
patternShader->u_pattern_tl_a = (*posA).tl;
patternShader->u_pattern_br_a = (*posA).br;
patternShader->u_pattern_tl_b = (*posB).tl;
patternShader->u_pattern_br_b = (*posB).br;
patternShader->u_opacity = properties.fillOpacity;
patternShader->u_image = 0;
patternShader->u_mix = properties.fillPattern.value.t;
std::array<int, 2> imageSizeScaledA = {{
(int)((*posA).size[0] * properties.fillPattern.value.fromScale),
(int)((*posA).size[1] * properties.fillPattern.value.fromScale)
}};
std::array<int, 2> imageSizeScaledB = {{
(int)((*posB).size[0] * properties.fillPattern.value.toScale),
(int)((*posB).size[1] * properties.fillPattern.value.toScale)
}};
patternShader->u_patternscale_a = {
{ 1.0f / tileID.pixelsToTileUnits(imageSizeScaledA[0], state.getIntegerZoom()),
1.0f / tileID.pixelsToTileUnits(imageSizeScaledB[1], state.getIntegerZoom()) }
};
patternShader->u_patternscale_b = {
{ 1.0f / tileID.pixelsToTileUnits(imageSizeScaledB[0], state.getIntegerZoom()),
1.0f / tileID.pixelsToTileUnits(imageSizeScaledB[1], state.getIntegerZoom()) }
};
float offsetAx = (std::fmod(util::tileSize, imageSizeScaledA[0]) * tileID.canonical.x) /
(float)imageSizeScaledA[0];
float offsetAy = (std::fmod(util::tileSize, imageSizeScaledA[1]) * tileID.canonical.y) /
(float)imageSizeScaledA[1];
float offsetBx = (std::fmod(util::tileSize, imageSizeScaledB[0]) * tileID.canonical.x) /
(float)imageSizeScaledB[0];
float offsetBy = (std::fmod(util::tileSize, imageSizeScaledB[1]) * tileID.canonical.y) /
(float)imageSizeScaledB[1];
patternShader->u_offset_a = std::array<float, 2>{{offsetAx, offsetAy}};
patternShader->u_offset_b = std::array<float, 2>{{offsetBx, offsetBy}};
config.activeTexture = GL_TEXTURE0;
spriteAtlas->bind(true, store);
// Draw the actual triangles into the color & stencil buffer.
setDepthSublayer(0);
bucket.drawElements(*patternShader, store);
if (properties.fillAntialias && stroke_color == fill_color) {
config.program = outlinePatternShader->getID();
outlinePatternShader->u_matrix = vtxMatrix;
config.lineWidth = 2.0f;
// Draw the entire line
outlinePatternShader->u_world = {{
static_cast<float>(frame.framebufferSize[0]),
static_cast<float>(frame.framebufferSize[1])
}};
outlinePatternShader->u_pattern_tl_a = (*posA).tl;
outlinePatternShader->u_pattern_br_a = (*posA).br;
outlinePatternShader->u_pattern_tl_b = (*posB).tl;
outlinePatternShader->u_pattern_br_b = (*posB).br;
outlinePatternShader->u_opacity = properties.fillOpacity;
outlinePatternShader->u_image = 0;
outlinePatternShader->u_mix = properties.fillPattern.value.t;
outlinePatternShader->u_patternscale_a = {{
1.0f / tileID.pixelsToTileUnits(imageSizeScaledA[0], state.getIntegerZoom()),
1.0f / tileID.pixelsToTileUnits(imageSizeScaledB[1], state.getIntegerZoom())
}};
outlinePatternShader->u_patternscale_b = {{
1.0f / tileID.pixelsToTileUnits(imageSizeScaledB[0], state.getIntegerZoom()),
1.0f / tileID.pixelsToTileUnits(imageSizeScaledB[1], state.getIntegerZoom())
}};
outlinePatternShader->u_offset_a = std::array<float, 2>{{offsetAx, offsetAy}};
outlinePatternShader->u_offset_b = std::array<float, 2>{{offsetBx, offsetBy}};
config.activeTexture = GL_TEXTURE0;
spriteAtlas->bind(true, store);
setDepthSublayer(2);
bucket.drawVertices(*outlinePatternShader, store);
}
}
} else if (!wireframe) {
// No image fill.
if ((fill_color[3] >= 1.0f && opacity >= 1.0f) == (pass == RenderPass::Opaque)) {
// Only draw the fill when it's either opaque and we're drawing opaque
// fragments or when it's translucent and we're drawing translucent
// fragments
// Draw filling rectangle.
config.program = plainShader->getID();
plainShader->u_matrix = vtxMatrix;
plainShader->u_color = fill_color;
plainShader->u_opacity = opacity;
// Draw the actual triangles into the color & stencil buffer.
setDepthSublayer(1);
bucket.drawElements(*plainShader, store);
}
}
// Because we're drawing top-to-bottom, and we update the stencil mask
// below, we have to draw the outline first (!)
if (fringeline && pass == RenderPass::Translucent) {
config.program = outlineShader->getID();
outlineShader->u_matrix = vtxMatrix;
config.lineWidth = 2.0f; // This is always fixed and does not depend on the pixelRatio!
outlineShader->u_color = fill_color;
outlineShader->u_opacity = opacity;
// Draw the entire line
outlineShader->u_world = {{
static_cast<float>(frame.framebufferSize[0]),
static_cast<float>(frame.framebufferSize[1])
}};
setDepthSublayer(2);
bucket.drawVertices(*outlineShader, store);
}
}