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implement tile wrapping

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fixes #14
This commit is contained in:
Konstantin Käfer
2014-03-05 09:40:32 +01:00
parent b0ddabd6ac
commit 027c6f33b3
9 changed files with 106 additions and 69 deletions
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31
src/renderer/painter.cpp
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@@ -130,24 +130,25 @@ void Painter::clear() {
glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
void Painter::render(const TileData::Ptr& tile) {
if (tile->state != TileData::parsed) {
void Painter::render(const Tile& tile) {
assert(tile.data);
if (tile.data->state != TileData::parsed) {
return;
}
matrix = tile->matrix;
glStencilFunc(GL_EQUAL, tile->clip_id, 0xFF);
matrix = tile.matrix;
glStencilFunc(GL_EQUAL, tile.clip_id, 0xFF);
renderLayers(tile, style.layers);
renderLayers(tile.data, style.layers);
if (settings.debug) {
renderDebug(tile);
renderDebug(tile.data);
}
renderBackground();
}
void Painter::renderLayers(const std::shared_ptr<TileData>& tile, const std::vector<LayerDescription>& layers) {
void Painter::renderLayers(const std::shared_ptr<TileData>& tile_data, const std::vector<LayerDescription>& layers) {
// Render everything top-to-bottom by using reverse iterators
typedef std::vector<LayerDescription>::const_reverse_iterator iterator;
for (iterator it = layers.rbegin(), end = layers.rend(); it != end; ++it) {
@@ -156,15 +157,15 @@ void Painter::renderLayers(const std::shared_ptr<TileData>& tile, const std::vec
if (layer_desc.child_layer.size()) {
// This is a layer group.
// TODO: create framebuffer
renderLayers(tile, layer_desc.child_layer);
renderLayers(tile_data, layer_desc.child_layer);
// TODO: render framebuffer on previous framebuffer
} else {
// This is a singular layer. Try to find the bucket associated with
// this layer and render it.
auto bucket_it = tile->buckets.find(layer_desc.bucket_name);
if (bucket_it != tile->buckets.end()) {
auto bucket_it = tile_data->buckets.find(layer_desc.bucket_name);
if (bucket_it != tile_data->buckets.end()) {
assert(bucket_it->second);
bucket_it->second->render(*this, layer_desc.name, tile->id);
bucket_it->second->render(*this, layer_desc.name, tile_data->id);
}
}
}
@@ -423,7 +424,7 @@ void Painter::renderPoint(PointBucket& bucket, const std::string& layer_name, co
bucket.drawPoints(*pointShader);
}
void Painter::renderDebug(const TileData::Ptr& tile) {
void Painter::renderDebug(const TileData::Ptr& tile_data) {
// Disable depth test and don't count this towards the depth buffer,
// but *don't* disable stencil test, as we want to clip the red tile border
// to the tile viewport.
@@ -442,13 +443,13 @@ void Painter::renderDebug(const TileData::Ptr& tile) {
glDrawArrays(GL_LINE_STRIP, 0, (GLsizei)tileBorderBuffer.index());
// draw debug info
tile->debugFontArray.bind(*plainShader, tile->debugFontBuffer, BUFFER_OFFSET(0));
tile_data->debugFontArray.bind(*plainShader, tile_data->debugFontBuffer, BUFFER_OFFSET(0));
plainShader->setColor(1.0f, 1.0f, 1.0f, 1.0f);
lineWidth(4.0f * transform.pixelRatio);
glDrawArrays(GL_LINES, 0, (GLsizei)tile->debugFontBuffer.index());
glDrawArrays(GL_LINES, 0, (GLsizei)tile_data->debugFontBuffer.index());
plainShader->setColor(0.0f, 0.0f, 0.0f, 1.0f);
lineWidth(2.0f * transform.pixelRatio);
glDrawArrays(GL_LINES, 0, (GLsizei)tile->debugFontBuffer.index());
glDrawArrays(GL_LINES, 0, (GLsizei)tile_data->debugFontBuffer.index());
// Revert blending mode to blend to the back.
glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_ONE);