[build] Adding a build flag to build without GL if needed (#16120)

* [build] Adding a build flag to build without GL if needed

* [build] Moving custom layer to mbgl/gl

2 files changed, 0 insertions, 131 deletions

diff --git a/src/mbgl/renderer/layers/render_custom_layer.cpp b/src/mbgl/renderer/layers/render_custom_layer.cpp
deleted file mode 100644
index c53286a2a0..0000000000
--- a/src/mbgl/renderer/layers/render_custom_layer.cpp
+++ /dev/null
@@ -1,104 +0,0 @@
-#include <mbgl/renderer/layers/render_custom_layer.hpp>
-#include <mbgl/renderer/paint_parameters.hpp>
-#include <mbgl/gfx/renderer_backend.hpp>
-#include <mbgl/gfx/backend_scope.hpp>
-#include <mbgl/renderer/bucket.hpp>
-#include <mbgl/platform/gl_functions.hpp>
-#include <mbgl/style/layers/custom_layer_impl.hpp>
-#include <mbgl/map/transform_state.hpp>
-#include <mbgl/gl/context.hpp>
-#include <mbgl/gl/renderable_resource.hpp>
-#include <mbgl/util/mat4.hpp>
-
-namespace mbgl {
-
-using namespace style;
-
-namespace {
-
-inline const CustomLayer::Impl& impl(const Immutable<style::Layer::Impl>& impl) {
-    assert(impl->getTypeInfo() == CustomLayer::Impl::staticTypeInfo());
-    return static_cast<const CustomLayer::Impl&>(*impl);
-}
-
-} // namespace
-
-RenderCustomLayer::RenderCustomLayer(Immutable<style::CustomLayer::Impl> _impl)
-    : RenderLayer(makeMutable<CustomLayerProperties>(std::move(_impl))),
-      host(impl(baseImpl).host) {
-    assert(gfx::BackendScope::exists());
-    MBGL_CHECK_ERROR(host->initialize());
-}
-
-RenderCustomLayer::~RenderCustomLayer() {
-    assert(gfx::BackendScope::exists());
-    if (contextDestroyed) {
-        host->contextLost();
-    } else {
-        MBGL_CHECK_ERROR(host->deinitialize());
-    }
-}
-
-void RenderCustomLayer::evaluate(const PropertyEvaluationParameters&) {
-    passes = RenderPass::Translucent;
-    // It is fine to not update `evaluatedProperties`, as `baseImpl` should never be updated for this layer.
-}
-
-bool RenderCustomLayer::hasTransition() const {
-    return false;
-}
-bool RenderCustomLayer::hasCrossfade() const {
-    return false;
-}
-
-void RenderCustomLayer::markContextDestroyed() {
-    contextDestroyed = true;
-}
-
-void RenderCustomLayer::prepare(const LayerPrepareParameters&) {
-}
-
-void RenderCustomLayer::render(PaintParameters& paintParameters) {
-    if (host != impl(baseImpl).host) {
-        //If the context changed, deinitialize the previous one before initializing the new one.
-        if (host && !contextDestroyed) {
-            MBGL_CHECK_ERROR(host->deinitialize());
-        }
-        host = impl(baseImpl).host;
-        MBGL_CHECK_ERROR(host->initialize());
-    }
-
-    // TODO: remove cast
-    auto& glContext = static_cast<gl::Context&>(paintParameters.context);
-    const TransformState& state = paintParameters.state;
-
-    // Reset GL state to a known state so the CustomLayer always has a clean slate.
-    glContext.bindVertexArray = 0;
-    glContext.setDepthMode(paintParameters.depthModeForSublayer(0, gfx::DepthMaskType::ReadOnly));
-    glContext.setStencilMode(gfx::StencilMode::disabled());
-    glContext.setColorMode(paintParameters.colorModeForRenderPass());
-    glContext.setCullFaceMode(gfx::CullFaceMode::disabled());
-
-    CustomLayerRenderParameters parameters;
-
-    parameters.width = state.getSize().width;
-    parameters.height = state.getSize().height;
-    parameters.latitude = state.getLatLng().latitude();
-    parameters.longitude = state.getLatLng().longitude();
-    parameters.zoom = state.getZoom();
-    parameters.bearing = -state.getBearing() * util::RAD2DEG;
-    parameters.pitch = state.getPitch();
-    parameters.fieldOfView = state.getFieldOfView();
-    mat4 projMatrix;
-    state.getProjMatrix(projMatrix);
-    parameters.projectionMatrix = projMatrix;
-
-    MBGL_CHECK_ERROR(host->render(parameters));
-
-    // Reset the view back to our original one, just in case the CustomLayer changed
-    // the viewport or Framebuffer.
-    paintParameters.backend.getDefaultRenderable().getResource<gl::RenderableResource>().bind();
-    glContext.setDirtyState();
-}
-
-} // namespace mbgl
diff --git a/src/mbgl/renderer/layers/render_custom_layer.hpp b/src/mbgl/renderer/layers/render_custom_layer.hpp
deleted file mode 100644
index 698621eae6..0000000000
--- a/src/mbgl/renderer/layers/render_custom_layer.hpp
+++ /dev/null
@@ -1,27 +0,0 @@
-#pragma once
-
-#include <mbgl/renderer/render_layer.hpp>
-#include <mbgl/style/layers/custom_layer_impl.hpp>
-
-namespace mbgl {
-
-class RenderCustomLayer final : public RenderLayer {
-public:
-    explicit RenderCustomLayer(Immutable<style::CustomLayer::Impl>);
-    ~RenderCustomLayer() override;
-
-private:
-    void transition(const TransitionParameters&) override {}
-    void evaluate(const PropertyEvaluationParameters&) override;
-    bool hasTransition() const override;
-    bool hasCrossfade() const override;
-    void markContextDestroyed() override;
-    void prepare(const LayerPrepareParameters&) override;
-
-    void render(PaintParameters&) override;
-
-    bool contextDestroyed = false;
-    std::shared_ptr<style::CustomLayerHost> host;
-};
-
-} // namespace mbgl