void RenderRasterLayer::render(PaintParameters& parameters) {
if (parameters.pass != RenderPass::Translucent)
return;
const auto& evaluated = static_cast<const RasterLayerProperties&>(*evaluatedProperties).evaluated;
RasterProgram::Binders paintAttributeData{ evaluated, 0 };
auto draw = [&] (const mat4& matrix,
const auto& vertexBuffer,
const auto& indexBuffer,
const auto& segments,
const auto& textureBindings,
const std::string& drawScopeID) {
auto& programInstance = parameters.programs.getRasterLayerPrograms().raster;
const auto allUniformValues = programInstance.computeAllUniformValues(
RasterProgram::LayoutUniformValues {
uniforms::matrix::Value( matrix ),
uniforms::opacity::Value( evaluated.get<RasterOpacity>() ),
uniforms::fade_t::Value( 1 ),
uniforms::brightness_low::Value( evaluated.get<RasterBrightnessMin>() ),
uniforms::brightness_high::Value( evaluated.get<RasterBrightnessMax>() ),
uniforms::saturation_factor::Value( saturationFactor(evaluated.get<RasterSaturation>()) ),
uniforms::contrast_factor::Value( contrastFactor(evaluated.get<RasterContrast>()) ),
uniforms::spin_weights::Value( spinWeights(evaluated.get<RasterHueRotate>()) ),
uniforms::buffer_scale::Value( 1.0f ),
uniforms::scale_parent::Value( 1.0f ),
uniforms::tl_parent::Value( std::array<float, 2> {{ 0.0f, 0.0f }} ),
},
paintAttributeData,
evaluated,
parameters.state.getZoom()
);
const auto allAttributeBindings = programInstance.computeAllAttributeBindings(
vertexBuffer,
paintAttributeData,
evaluated
);
checkRenderability(parameters, programInstance.activeBindingCount(allAttributeBindings));
programInstance.draw(
parameters.context,
*parameters.renderPass,
gfx::Triangles(),
parameters.depthModeForSublayer(0, gfx::DepthMaskType::ReadOnly),
gfx::StencilMode::disabled(),
parameters.colorModeForRenderPass(),
gfx::CullFaceMode::disabled(),
indexBuffer,
segments,
allUniformValues,
allAttributeBindings,
textureBindings,
getID() + "/" + drawScopeID
);
};
const gfx::TextureFilterType filter = evaluated.get<RasterResampling>() == RasterResamplingType::Nearest ? gfx::TextureFilterType::Nearest : gfx::TextureFilterType::Linear;
if (imageData && !imageData->bucket->needsUpload()) {
RasterBucket& bucket = *imageData->bucket;
assert(bucket.texture);
size_t i = 0;
for (const auto& matrix_ : *imageData->matrices) {
draw(matrix_,
*bucket.vertexBuffer,
*bucket.indexBuffer,
bucket.segments,
RasterProgram::TextureBindings{
textures::image0::Value{ bucket.texture->getResource(), filter },
textures::image1::Value{ bucket.texture->getResource(), filter },
},
bucket.drawScopeID + std::to_string(i++));
}
} else {
for (const RenderTile& tile : renderTiles) {
auto* bucket_ = tile.getBucket(*baseImpl);
if (!bucket_) {
continue;
}
auto& bucket = static_cast<RasterBucket&>(*bucket_);
if (!bucket.hasData())
continue;
assert(bucket.texture);
if (bucket.vertexBuffer && bucket.indexBuffer && !bucket.segments.empty()) {
// Draw only the parts of the tile that aren't drawn by another tile in the layer.
draw(parameters.matrixForTile(tile.id, true),
*bucket.vertexBuffer,
*bucket.indexBuffer,
bucket.segments,
RasterProgram::TextureBindings{
textures::image0::Value{ bucket.texture->getResource(), filter },
textures::image1::Value{ bucket.texture->getResource(), filter },
},
bucket.drawScopeID);
} else {
// Draw the full tile.
draw(parameters.matrixForTile(tile.id, true),
*parameters.staticData.rasterVertexBuffer,
*parameters.staticData.quadTriangleIndexBuffer,
parameters.staticData.rasterSegments,
RasterProgram::TextureBindings{
textures::image0::Value{ bucket.texture->getResource(), filter },
textures::image1::Value{ bucket.texture->getResource(), filter },
},
bucket.drawScopeID);
}
}
}
}
void RenderHillshadeLayer::render(PaintParameters& parameters) {
if (parameters.pass != RenderPass::Translucent && parameters.pass != RenderPass::Pass3D)
return;
const auto& evaluated = static_cast<const HillshadeLayerProperties&>(*evaluatedProperties).evaluated;
auto draw = [&] (const mat4& matrix,
const auto& vertexBuffer,
const auto& indexBuffer,
const auto& segments,
const UnwrappedTileID& id,
const auto& textureBindings) {
auto& programInstance = parameters.programs.getHillshadeLayerPrograms().hillshade;
const HillshadeProgram::Binders paintAttributeData{ evaluated, 0 };
const auto allUniformValues = programInstance.computeAllUniformValues(
HillshadeProgram::LayoutUniformValues {
uniforms::matrix::Value( matrix ),
uniforms::highlight::Value( evaluated.get<HillshadeHighlightColor>() ),
uniforms::shadow::Value( evaluated.get<HillshadeShadowColor>() ),
uniforms::accent::Value( evaluated.get<HillshadeAccentColor>() ),
uniforms::light::Value( getLight(parameters) ),
uniforms::latrange::Value( getLatRange(id) ),
},
paintAttributeData,
evaluated,
parameters.state.getZoom()
);
const auto allAttributeBindings = programInstance.computeAllAttributeBindings(
vertexBuffer,
paintAttributeData,
evaluated
);
checkRenderability(parameters, programInstance.activeBindingCount(allAttributeBindings));
programInstance.draw(
parameters.context,
*parameters.renderPass,
gfx::Triangles(),
parameters.depthModeForSublayer(0, gfx::DepthMaskType::ReadOnly),
gfx::StencilMode::disabled(),
parameters.colorModeForRenderPass(),
gfx::CullFaceMode::disabled(),
indexBuffer,
segments,
allUniformValues,
allAttributeBindings,
textureBindings,
getID()
);
};
mat4 mat;
matrix::ortho(mat, 0, util::EXTENT, -util::EXTENT, 0, 0, 1);
matrix::translate(mat, mat, 0, -util::EXTENT, 0);
for (const RenderTile& tile : renderTiles) {
auto* bucket_ = tile.getBucket(*baseImpl);
if (!bucket_) {
continue;
}
auto& bucket = static_cast<HillshadeBucket&>(*bucket_);
if (!bucket.hasData()){
continue;
}
if (!bucket.isPrepared() && parameters.pass == RenderPass::Pass3D) {
assert(bucket.dem);
const uint16_t stride = bucket.getDEMData().stride;
const uint16_t tilesize = bucket.getDEMData().dim;
auto view = parameters.context.createOffscreenTexture({ tilesize, tilesize });
auto renderPass = parameters.encoder->createRenderPass(
"hillshade prepare", { *view, Color{ 0.0f, 0.0f, 0.0f, 0.0f }, {}, {} });
const Properties<>::PossiblyEvaluated properties;
const HillshadePrepareProgram::Binders paintAttributeData{ properties, 0 };
auto& programInstance = parameters.programs.getHillshadeLayerPrograms().hillshadePrepare;
const auto allUniformValues = programInstance.computeAllUniformValues(
HillshadePrepareProgram::LayoutUniformValues {
uniforms::matrix::Value( mat ),
uniforms::dimension::Value( {{stride, stride}} ),
uniforms::zoom::Value( float(tile.id.canonical.z) ),
uniforms::maxzoom::Value( float(maxzoom) ),
},
paintAttributeData,
properties,
parameters.state.getZoom()
);
const auto allAttributeBindings = programInstance.computeAllAttributeBindings(
*parameters.staticData.rasterVertexBuffer,
paintAttributeData,
properties
);
checkRenderability(parameters, programInstance.activeBindingCount(allAttributeBindings));
programInstance.draw(
parameters.context,
*renderPass,
gfx::Triangles(),
parameters.depthModeForSublayer(0, gfx::DepthMaskType::ReadOnly),
gfx::StencilMode::disabled(),
parameters.colorModeForRenderPass(),
gfx::CullFaceMode::disabled(),
*parameters.staticData.quadTriangleIndexBuffer,
parameters.staticData.rasterSegments,
allUniformValues,
allAttributeBindings,
HillshadePrepareProgram::TextureBindings{
textures::image::Value{ bucket.dem->getResource() },
},
getID()
);
bucket.texture = std::move(view->getTexture());
bucket.setPrepared(true);
} else if (parameters.pass == RenderPass::Translucent) {
assert(bucket.texture);
if (bucket.vertexBuffer && bucket.indexBuffer && !bucket.segments.empty()) {
// Draw only the parts of the tile that aren't drawn by another tile in the layer.
draw(parameters.matrixForTile(tile.id, true),
*bucket.vertexBuffer,
*bucket.indexBuffer,
bucket.segments,
tile.id,
HillshadeProgram::TextureBindings{
textures::image::Value{ bucket.texture->getResource(), gfx::TextureFilterType::Linear },
});
} else {
// Draw the full tile.
draw(parameters.matrixForTile(tile.id, true),
*parameters.staticData.rasterVertexBuffer,
*parameters.staticData.quadTriangleIndexBuffer,
parameters.staticData.rasterSegments,
tile.id,
HillshadeProgram::TextureBindings{
textures::image::Value{ bucket.texture->getResource(), gfx::TextureFilterType::Linear },
});
}
}
}
}