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remove in-shader label flipping

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This commit is contained in:
Ansis Brammanis
2015-03-30 17:48:52 -07:00
parent fd5b2dbed0
commit 19ddaae6cc
11 changed files with 17 additions and 90 deletions
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7
src/mbgl/geometry/text_buffer.cpp
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@@ -6,9 +6,7 @@
namespace mbgl {
const double TextVertexBuffer::angleFactor = 128.0 / M_PI;
size_t TextVertexBuffer::add(int16_t x, int16_t y, float ox, float oy, uint16_t tx, uint16_t ty, float angle, float minzoom, std::array<float, 2> range, float maxzoom, float labelminzoom) {
size_t TextVertexBuffer::add(int16_t x, int16_t y, float ox, float oy, uint16_t tx, uint16_t ty, float minzoom, float maxzoom, float labelminzoom) {
const size_t idx = index();
void *data = addElement();
@@ -23,13 +21,10 @@ size_t TextVertexBuffer::add(int16_t x, int16_t y, float ox, float oy, uint16_t
ubytes[8] /* tex */ = tx / 4;
ubytes[9] /* tex */ = ty / 4;
ubytes[10] /* labelminzoom */ = labelminzoom * 10;
ubytes[11] /* angle */ = (int16_t)std::round(angle * angleFactor) % 256;
// a_data2
ubytes[12] /* minzoom */ = minzoom * 10; // 1/10 zoom levels: z16 == 160.
ubytes[13] /* maxzoom */ = std::fmin(maxzoom, 25) * 10; // 1/10 zoom levels: z16 == 160.
ubytes[14] /* rangeend */ = util::max((int16_t)std::round(range[0] * angleFactor), (int16_t)0) % 256;
ubytes[15] /* rangestart */ = util::min((int16_t)std::round(range[1] * angleFactor), (int16_t)255) % 256;
return idx;
}