[wip] CMake TANGRAM_DEV_DEBUG_REDERER option

CMakeLists.txt

@@ -14,7 +14,9 @@ option(TANGRAM_MBTILES_DATASOURCE "Build MBTiles Datasource" ON)
 option(TANGRAM_BUILD_TESTS "Build unit tests" OFF)
 option(TANGRAM_BUNDLE_TESTS "Compile all tests into a single binary" ON)
 option(TANGRAM_BUILD_BENCHMARKS "Build benchmarks" OFF)
+
 option(TANGRAM_DEV_MODE "For developers only: Don't omit the frame pointer" OFF)
+option(TANGRAM_DEV_DEBUG_RENDERER "Build debug TextDisplay, RenderLayers and other things to toggle via DebugFlags" OFF)
 
 message(STATUS "Build type configuration: ${CMAKE_BUILD_TYPE}")
 
@@ -75,6 +77,10 @@ if (TANGRAM_JSCORE_AVAILABLE AND TANGRAM_USE_JSCORE)
   set(TANGRAM_JSCORE_ENABLED ON)
 endif()
 
+if (TANGRAM_OSX OR TANGRAM_LINUX)
+  set(TANGRAM_DEV_DEBUG_RENDERER ON)
+endif()
+
 # Add core library.
 add_subdirectory(core)
 

core/CMakeLists.txt

@@ -34,10 +34,6 @@ add_library(tangram-core
   src/data/formats/mvt.cpp
   src/data/formats/topoJson.h
   src/data/formats/topoJson.cpp
-  src/debug/frameInfo.h
-  src/debug/frameInfo.cpp
-  src/debug/textDisplay.h
-  src/debug/textDisplay.cpp
   src/gl/framebuffer.h
   src/gl/framebuffer.cpp
   src/gl/glError.h
@@ -48,8 +44,6 @@ add_library(tangram-core
   src/gl/hardware.cpp
   src/gl/mesh.h
   src/gl/mesh.cpp
-  src/gl/primitives.h
-  src/gl/primitives.cpp
   src/gl/renderState.h
   src/gl/renderState.cpp
   src/gl/shaderProgram.h
@@ -122,10 +116,6 @@ add_library(tangram-core
   src/selection/featureSelection.cpp
   src/selection/selectionQuery.h
   src/selection/selectionQuery.cpp
-  src/style/debugStyle.h
-  src/style/debugStyle.cpp
-  src/style/debugTextStyle.h
-  src/style/debugTextStyle.cpp
   src/style/material.h
   src/style/material.cpp
   src/style/pointStyle.h
@@ -248,6 +238,22 @@ else()
   target_link_libraries(tangram-core PRIVATE duktape)
 endif()
 
+if(TANGRAM_DEV_DEBUG_RENDERER)
+  target_compile_definitions(tangram-core PRIVATE TANGRAM_DEBUG_RENDERER=1)
+  target_sources(tangram-core
+    PRIVATE
+    src/debug/frameInfo.h
+    src/debug/frameInfo.cpp
+    src/debug/textDisplay.h
+    src/debug/textDisplay.cpp
+    src/gl/primitives.h
+    src/gl/primitives.cpp
+    src/style/debugStyle.h
+    src/style/debugStyle.cpp
+    src/style/debugTextStyle.h
+    src/style/debugTextStyle.cpp)
+endif()
+
 # Add MBTiles implementation.
 if(TANGRAM_MBTILES_DATASOURCE)
   target_sources(tangram-core PRIVATE src/data/mbtilesDataSource.cpp)

core/src/debug/frameInfo.cpp

@@ -18,6 +18,7 @@
 #define DEBUG_STATS_MAX_SIZE 128
 
 namespace Tangram {
+namespace Debug {
 
 static float s_lastUpdateTime = 0.0;
 
@@ -154,3 +155,4 @@ void FrameInfo::draw(RenderState& rs, const View& _view, const TileManager& _til
 }
 
 }
+}

core/src/debug/frameInfo.h

@@ -6,14 +6,20 @@ class RenderState;
 class TileManager;
 class View;
 
-struct FrameInfo {
+namespace Debug {
 
+struct FrameInfo {
+#ifdef TANGRAM_DEBUG_RENDERER
     static void beginUpdate();
     static void beginFrame();
-
     static void endUpdate();
-
     static void draw(RenderState& rs, const View& _view, const TileManager& _tileManager);
+#else
+    static void beginUpdate(){}
+    static void beginFrame(){}
+    static void endUpdate(){}
+    static void draw(RenderState&, const View&, TileManager&){}
+#endif
 };
-
+}
 }

core/src/debug/textDisplay.cpp

@@ -12,6 +12,7 @@
 #include "stb_easy_font.h"
 
 namespace Tangram {
+namespace Debug {
 
 TextDisplay::TextDisplay() : m_textDisplayResolution(350.0), m_initialized(false) {
     m_vertexBuffer = new char[VERTEX_BUFFER_SIZE];
@@ -142,7 +143,6 @@ void TextDisplay::draw(RenderState& rs, const std::vector<std::string>& _infos)
     rs.culling(GL_TRUE);
     rs.vertexBuffer(boundbuffer);
 }
-
 }
-
+}
 

core/src/debug/textDisplay.h

@@ -19,6 +19,8 @@ namespace Tangram {
 typedef int FontID;
 class RenderState;
 
+namespace Debug {
+
 template <typename T>
 std::string to_string_with_precision(const T a_value, const int n = 6) {
     std::ostringstream out;
@@ -36,23 +38,21 @@ class TextDisplay {
         return instance;
     }
 
-    ~TextDisplay();
 
+#ifdef TANGRAM_DEBUG_RENDERER
+    ~TextDisplay();
     void setResolution(glm::vec2 _textDisplayResolution) { m_textDisplayResolution = _textDisplayResolution; }
 
     void init();
     void deinit();
 
     /* Draw stacked messages added through log and draw _infos string list */
     void draw(RenderState& rs, const std::vector<std::string>& _infos);
-
     /* Stack the log message to be displayed in the screen log */
     void log(const char* fmt, ...);
 
 private:
-
     TextDisplay();
-
     void draw(RenderState& rs, const std::string& _text, int _posx, int _posy);
 
     glm::vec2 m_textDisplayResolution;
@@ -64,10 +64,24 @@ class TextDisplay {
 
     UniformLocation m_uOrthoProj{"u_orthoProj"};
     UniformLocation m_uColor{"u_color"};
-
+#else
+    ~TextDisplay() {}
+    void setResolution(glm::vec2) {}
+    void init() {}
+    void deinit() {}
+    void draw(RenderState&, const std::vector<std::string>&) {}
+    void log(const char* fmt, ...) {}
+private:
+    TextDisplay(){}
+#endif
 };
+}
 
+#ifdef TANGRAM_DEBUG_RENDERER
 #define LOGS(fmt, ...) \
-do { Tangram::TextDisplay::Instance().log(fmt, ## __VA_ARGS__); } while(0)
+    do { Tangram::Debug::TextDisplay::Instance().log(fmt, ## __VA_ARGS__); } while(0)
+#else
+#define LOGS(...)
+#endif
 
 }

core/src/gl/framebuffer.cpp

@@ -185,7 +185,7 @@ FrameBuffer::~FrameBuffer() {
 void FrameBuffer::drawDebug(RenderState& _rs, glm::vec2 _dim) {
 
     if (m_texture) {
-        Primitives::drawTexture(_rs, *m_texture, glm::vec2{}, _dim);
+        Debug::Primitives::drawTexture(_rs, *m_texture, glm::vec2{}, _dim);
     }
 }
 

core/src/gl/primitives.cpp

@@ -16,8 +16,7 @@
 #include "debugTexture_fs.h"
 
 namespace Tangram {
-
-namespace Primitives {
+namespace Debug {
 
 static bool s_initialized;
 static std::unique_ptr<ShaderProgram> s_shader;
@@ -32,7 +31,7 @@ static std::unique_ptr<VertexLayout> s_textureLayout;
 
 static UniformLocation s_uTextureProj{"u_proj"};
 
-void init() {
+void Primitives::init() {
 
     // lazy init
     if (!s_initialized) {
@@ -60,7 +59,7 @@ void init() {
     }
 }
 
-void deinit() {
+void Primitives::deinit() {
 
     s_shader.reset(nullptr);
     s_layout.reset(nullptr);
@@ -70,7 +69,7 @@ void deinit() {
 
 }
 
-void drawLine(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _destination) {
+void Primitives::drawLine(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _destination) {
 
     init();
 
@@ -94,14 +93,14 @@ void drawLine(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _desti
     rs.vertexBuffer(boundBuffer);
 }
 
-void drawRect(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _destination) {
+void Primitives::drawRect(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _destination) {
     drawLine(rs, _origin, {_destination.x, _origin.y});
     drawLine(rs, {_destination.x, _origin.y}, _destination);
     drawLine(rs, _destination, {_origin.x, _destination.y});
     drawLine(rs, {_origin.x,_destination.y}, _origin);
 }
 
-void drawPoly(RenderState& rs, const glm::vec2* _polygon, size_t _n) {
+void Primitives::drawPoly(RenderState& rs, const glm::vec2* _polygon, size_t _n) {
     init();
 
     if (!s_shader->use(rs)) { return; }
@@ -119,7 +118,7 @@ void drawPoly(RenderState& rs, const glm::vec2* _polygon, size_t _n) {
     rs.vertexBuffer(boundBuffer);
 }
 
-void drawTexture(RenderState& rs, Texture& _tex, glm::vec2 _pos, glm::vec2 _dim) {
+void Primitives::drawTexture(RenderState& rs, Texture& _tex, glm::vec2 _pos, glm::vec2 _dim) {
     init();
 
     if (!s_textureShader->use(rs)) { return; }
@@ -156,7 +155,7 @@ void drawTexture(RenderState& rs, Texture& _tex, glm::vec2 _pos, glm::vec2 _dim)
     rs.vertexBuffer(boundBuffer);
 }
 
-void setColor(RenderState& rs, unsigned int _color) {
+void Primitives::setColor(RenderState& rs, unsigned int _color) {
     init();
 
     float r = (_color >> 16 & 0xff) / 255.0;
@@ -166,7 +165,7 @@ void setColor(RenderState& rs, unsigned int _color) {
     s_shader->setUniformf(rs, s_uColor, r, g, b);
 }
 
-void setResolution(RenderState& rs, float _width, float _height) {
+void Primitives::setResolution(RenderState& rs, float _width, float _height) {
     init();
 
     glm::mat4 proj = glm::ortho(0.f, _width, _height, 0.f, -1.f, 1.f);
@@ -175,5 +174,5 @@ void setResolution(RenderState& rs, float _width, float _height) {
 }
 
 }
-
 }
+

core/src/gl/primitives.h

@@ -7,28 +7,39 @@ namespace Tangram {
 class RenderState;
 class Texture;
 
-namespace Primitives {
+namespace Debug {
 
-void init();
-void deinit();
+struct Primitives {
+#ifdef TANGRAM_DEBUG_RENDERER
+static void init();
+static void deinit();
 
 /* Setup the debug resolution size */
-void setResolution(RenderState& rs, float _width, float _height);
+static void setResolution(RenderState& rs, float _width, float _height);
 
 /* Sets the current primitive color */
-void setColor(RenderState& rs, unsigned int _color);
+static void setColor(RenderState& rs, unsigned int _color);
 
 /* Draws a line from _origin to _destination for the screen resolution _resolution */
-void drawLine(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _destination);
+static void drawLine(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _destination);
 
 /* Draws a rect from _origin to _destination for the screen resolution _resolution */
-void drawRect(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _destination);
+static void drawRect(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _destination);
 
 /* Draws a polyon of containing _n points in screen space for the screen resolution _resolution */
-void drawPoly(RenderState& rs, const glm::vec2* _polygon, size_t _n);
-
-void drawTexture(RenderState& rs, Texture& _tex, glm::vec2 _pos, glm::vec2 _dim);
-
+static void drawPoly(RenderState& rs, const glm::vec2* _polygon, size_t _n);
+
+static void drawTexture(RenderState& rs, Texture& _tex, glm::vec2 _pos, glm::vec2 _dim);
+#else
+static void init(){}
+static void deinit(){}
+static void setResolution(RenderState& rs, float _width, float _height){}
+static void setColor(RenderState& rs, unsigned int _color){}
+static void drawLine(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _destination){}
+static void drawRect(RenderState& rs, const glm::vec2& _origin, const glm::vec2& _destination){}
+static void drawPoly(RenderState& rs, const glm::vec2* _polygon, size_t _n){}
+static void drawTexture(RenderState& rs, Texture& _tex, glm::vec2 _pos, glm::vec2 _dim){}
+#endif
+};
 }
-
 }

core/src/labels/labelManager.cpp

@@ -495,6 +495,8 @@ void LabelManager::updateLabelSet(const ViewState& _viewState, float _dt, const
 }
 
 void LabelManager::drawDebug(RenderState& rs, const View& _view) {
+#ifdef TAGRAM_DEBUG_RENDERER
+    using Primitives = Debug::Primitives;
 
     if (!Tangram::getDebugFlag(Tangram::DebugFlags::labels)) {
         return;
@@ -622,6 +624,7 @@ void LabelManager::drawDebug(RenderState& rs, const View& _view) {
             }
         }
     }
+#endif // DEBUG_RENDERER
 }
 
 }