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Allow property functions for prerender properties, but tie them to the tile's zoom level instead of the map zoom level

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fixes #253
This commit is contained in:
Konstantin Käfer
2014-06-01 17:43:12 +02:00
parent 2dc03c733c
commit 1be972eb15
9 changed files with 75 additions and 66 deletions
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12
src/renderer/painter_prerender.cpp
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@@ -2,7 +2,7 @@
using namespace llmr;
void Painter::preparePrerender(const GenericProperties &properties) {
void Painter::preparePrerender(PrerenderedTexture &texture) {
glDisable(GL_DEPTH_TEST);
glDisable(GL_STENCIL_TEST);
@@ -13,18 +13,18 @@ void Painter::preparePrerender(const GenericProperties &properties) {
#endif
glClear(GL_COLOR_BUFFER_BIT);
glViewport(0, 0, properties.prerenderSize, properties.prerenderSize);
glViewport(0, 0, texture.properties.size, texture.properties.size);
}
void Painter::finishPrerender(const GenericProperties &properties) {
void Painter::finishPrerender(PrerenderedTexture &texture) {
glEnable(GL_DEPTH_TEST);
glEnable(GL_STENCIL_TEST);
glViewport(0, 0, gl_viewport[0], gl_viewport[1]);
}
void Painter::renderPrerenderedTexture(Bucket &bucket, const GenericProperties &properties) {
const int buffer = 4096 * properties.prerenderBuffer;
void Painter::renderPrerenderedTexture(PrerenderedTexture &texture, const GenericProperties &properties) {
const int buffer = texture.properties.buffer * 4096.0f;
// draw the texture on a quad
useProgram(rasterShader->program);
@@ -37,7 +37,7 @@ void Painter::renderPrerenderedTexture(Bucket &bucket, const GenericProperties &
rasterShader->setImage(0);
rasterShader->setBuffer(buffer);
rasterShader->setOpacity(properties.opacity);
bucket.prerendered->bindTexture();
texture.bindTexture();
coveringRasterArray.bind(*rasterShader, tileStencilBuffer, BUFFER_OFFSET(0));
glDrawArrays(GL_TRIANGLES, 0, (GLsizei)tileStencilBuffer.index());
}