void Painter::renderRaster(RasterBucket& bucket,
const RasterLayer& layer,
const UnwrappedTileID&,
const mat4& matrix) {
if (pass != RenderPass::Translucent) return;
const RasterPaintProperties& properties = layer.impl->paint;
if (bucket.hasData()) {
config.program = rasterShader->getID();
rasterShader->u_matrix = matrix;
rasterShader->u_buffer = 0;
rasterShader->u_opacity = properties.rasterOpacity;
rasterShader->u_brightness_low = properties.rasterBrightnessMin;
rasterShader->u_brightness_high = properties.rasterBrightnessMax;
rasterShader->u_saturation_factor = saturationFactor(properties.rasterSaturation);
rasterShader->u_contrast_factor = contrastFactor(properties.rasterContrast);
rasterShader->u_spin_weights = spinWeights(properties.rasterHueRotate);
config.stencilTest = GL_FALSE;
rasterShader->u_image = 0;
config.activeTexture = GL_TEXTURE0;
config.depthFunc.reset();
config.depthTest = GL_TRUE;
config.depthMask = GL_FALSE;
setDepthSublayer(0);
bucket.drawRaster(*rasterShader, tileStencilBuffer, coveringRasterArray, store);
}
}
void Painter::renderRaster(RasterBucket& bucket, const StyleLayer &layer_desc, const TileID&, const mat4 &matrix) {
if (pass != RenderPass::Translucent) return;
const RasterProperties &properties = layer_desc.getProperties<RasterProperties>();
if (bucket.hasData()) {
useProgram(rasterShader->program);
rasterShader->u_matrix = matrix;
rasterShader->u_buffer = 0;
rasterShader->u_opacity = properties.opacity;
rasterShader->u_brightness_low = properties.brightness[0];
rasterShader->u_brightness_high = properties.brightness[1];
rasterShader->u_saturation_factor = saturationFactor(properties.saturation);
rasterShader->u_contrast_factor = contrastFactor(properties.contrast);
rasterShader->u_spin_weights = spinWeights(properties.hue_rotate);
config.stencilTest = true;
config.depthTest = true;
setDepthSublayer(0);
bucket.drawRaster(*rasterShader, tileStencilBuffer, coveringRasterArray);
}
}
void Painter::renderRaster(RasterBucket& bucket, const RasterLayer& layer, const TileID&, const mat4& matrix) {
if (pass != RenderPass::Translucent) return;
const RasterPaintProperties& properties = layer.paint;
if (bucket.hasData()) {
config.program = rasterShader->program;
rasterShader->u_matrix = matrix;
rasterShader->u_buffer = 0;
rasterShader->u_opacity = properties.opacity;
rasterShader->u_brightness_low = properties.brightnessMin;
rasterShader->u_brightness_high = properties.brightnessMax;
rasterShader->u_saturation_factor = saturationFactor(properties.saturation);
rasterShader->u_contrast_factor = contrastFactor(properties.contrast);
rasterShader->u_spin_weights = spinWeights(properties.hueRotate);
config.stencilOp.reset();
config.stencilTest = GL_TRUE;
config.depthFunc.reset();
config.depthTest = GL_TRUE;
setDepthSublayer(0);
bucket.drawRaster(*rasterShader, tileStencilBuffer, coveringRasterArray);
}
}
TEST(Buckets, RasterBucket) {
HeadlessBackend backend({ 512, 256 });
BackendScope scope { backend };
gl::Context context;
PremultipliedImage rgba({ 1, 1 });
// RasterBucket::hasData() is always true.
RasterBucket bucket = { std::move(rgba) };
ASSERT_TRUE(bucket.hasData());
ASSERT_TRUE(bucket.needsUpload());
bucket.upload(context);
ASSERT_FALSE(bucket.needsUpload());
bucket.clear();
ASSERT_TRUE(bucket.needsUpload());
}
void Painter::renderRaster(RasterBucket& bucket, util::ptr<StyleLayer> layer_desc, const Tile::ID& id, const mat4 &matrix) {
if (pass != RenderPass::Translucent) return;
const RasterProperties &properties = layer_desc->getProperties<RasterProperties>();
if (layer_desc->layers) {
if (!bucket.texture.getTexture()) {
bucket.texture.bindFramebuffer();
preparePrerender(bucket);
const int buffer = bucket.properties.buffer * 4096.0f;
const mat4 preMatrix = [&]{
mat4 vtxMatrix;
matrix::ortho(vtxMatrix, -buffer, 4096 + buffer, -4096 - buffer, buffer, 0, 1);
matrix::translate(vtxMatrix, vtxMatrix, 0, -4096, 0);
return vtxMatrix;
}();
for (const util::ptr<StyleLayer> &layer : layer_desc->layers->layers) {
setOpaque();
renderLayer(layer, &id, &preMatrix);
setTranslucent();
renderLayer(layer, &id, &preMatrix);
}
if (bucket.properties.blur > 0) {
bucket.texture.blur(*this, bucket.properties.blur);
}
bucket.texture.unbindFramebuffer();
glEnable(GL_DEPTH_TEST);
glEnable(GL_STENCIL_TEST);
glViewport(0, 0, gl_viewport[0], gl_viewport[1]);
}
renderPrerenderedTexture(bucket, matrix, properties);
}
// Only draw non-prerendered raster here
if (bucket.hasData()) {
depthMask(false);
useProgram(rasterShader->program);
rasterShader->u_matrix = matrix;
rasterShader->u_buffer = 0;
rasterShader->u_opacity = properties.opacity;
rasterShader->u_brightness_low = properties.brightness[0];
rasterShader->u_brightness_high = properties.brightness[1];
rasterShader->u_saturation_factor = saturationFactor(properties.saturation);
rasterShader->u_contrast_factor = contrastFactor(properties.contrast);
rasterShader->u_spin_weights = spinWeights(properties.hue_rotate);
depthRange(strata + strata_epsilon, 1.0f);
bucket.drawRaster(*rasterShader, tileStencilBuffer, coveringRasterArray);
depthMask(true);
}
}
