continue implementing new graphics engine

* implement OpenGL ES 1.1 and OpenGL ES 2.0 support
* new framebuffer that can run on any opengl implementation
* fixes in outfit size rendering

CMakeLists.txt

@@ -7,7 +7,7 @@ INCLUDE(src/otclient/CMakeLists.txt)
 # functions map for reading backtraces
 SET(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -Wl,-Map=otclient.map")
 
-OPTION(USE_PCH "Use precompiled header (speed up compile)" OFF)
+OPTION(PCH "Use precompiled header (speed up compile)" OFF)
 
 SET(executable_SOURCES src/main.cpp)
 
@@ -27,13 +27,13 @@ ADD_EXECUTABLE(otclient ${framework_SOURCES} ${otclient_SOURCES} ${executable_SO
 # target link libraries
 TARGET_LINK_LIBRARIES(otclient ${framework_LIBRARIES})
 
-IF(USE_PCH)
+IF(PCH)
     FIND_PACKAGE(PCHSupport REQUIRED)
     ADD_PRECOMPILED_HEADER(otclient ${CMAKE_CURRENT_SOURCE_DIR}/src/framework/pch.h)
     MESSAGE(STATUS "Use precompiled header: ON")
-ELSEIF(USE_PCH)
+ELSE()
     MESSAGE(STATUS "Use precompiled header: OFF")
-ENDIF(USE_PCH)
+ENDIF()
 
 # installation
 SET(DATA_INSTALL_DIR share/otclient)

modules/game_outfit/outfit.otui

@@ -23,7 +23,7 @@ Window
     anchors.top: outfitName.bottom
     anchors.left: outfitName.left
     margin-top: 5
-    padding: 16 4 4 16
+    padding: 4 4 4 4
     fixed-creature-size: true
 
   Panel

src/framework/CMakeLists.txt

@@ -6,43 +6,79 @@ ENDIF(${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 6)
 # add framework cmake modules
 SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake;${CMAKE_MODULE_PATH}")
 
-OPTION(USE_OPENGL_ES2 "Use OpenGL ES 2.0 (for mobiles devices)" OFF)
 OPTION(CRASH_HANDLER "Generate crash reports" ON)
-SET(BUILD_REVISION "custom" CACHE "Git revision string (intended for releases)" STRING)
-
 OPTION(LUAJIT "Use lua jit" OFF)
+SET(OPENGLES "OFF" CACHE "Use OpenGL ES 1.0 or 2.0 (for mobiles devices)" STRING)
+SET(BUILD_REVISION "custom" CACHE "Git revision string (intended for releases)" STRING)
 
 # set debug as default build type
 IF(NOT CMAKE_BUILD_TYPE)
     SET(CMAKE_BUILD_TYPE RelWithDebInfo)
 ENDIF()
 
+# setup compiler options
+SET(CXX_WARNS "-Wall -Wextra -Werror -Wno-unused-parameter -Wno-unused-but-set-variable")
+SET(CMAKE_CXX_FLAGS                   "${CMAKE_CXX_FLAGS} ${CXX_WARNS} -std=gnu++0x -pipe")
+SET(CMAKE_C_FLAGS                     "${CMAKE_C_FLAGS} ${CXX_WARNS} -pipe")
+SET(CMAKE_CXX_FLAGS_DEBUG             "-O0 -ggdb")
+SET(CMAKE_C_FLAGS_DEBUG               "-O0 -ggdb")
+SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO    "-O1 -ggdb")
+SET(CMAKE_C_FLAGS_RELWITHDEBINFO      "-O1 -ggdb")
+SET(CMAKE_CXX_FLAGS_RELEASE           "-Os -ffast-math")
+SET(CMAKE_C_FLAGS_RELEASE             "-Os -ffast-math")
+SET(CMAKE_CXX_FLAGS_RELFORPERFORMANCE "-Ofast -mmmx -msse -msse2")
+SET(CMAKE_C_FLAGS_RELFORPERFORMANCE   "-Ofast -mmmx -msse -msse2")
+SET(CMAKE_CXX_LINK_FLAGS              "${CMAKE_CXX_LINK_FLAGS} -static-libgcc -static-libstdc++ -Wl,--as-needed")
+
+MESSAGE(STATUS "Build type: " ${CMAKE_BUILD_TYPE})
+ADD_DEFINITIONS(-D"BUILD_TYPE=\\\"${CMAKE_BUILD_TYPE}\\\"")
+
+MESSAGE(STATUS "Build revision: ${BUILD_REVISION}")
+ADD_DEFINITIONS(-D"BUILD_REVISION=\\\"${BUILD_REVISION}\\\"")
+
 # find needed libraries
 IF(WIN32)
     SET(Boost_THREADAPI win32)
 ENDIF()
-
 SET(Boost_USE_MULTITHREADED ON)
 SET(Boost_USE_STATIC_LIBS ON)
 FIND_PACKAGE(Boost COMPONENTS system REQUIRED)
 
-IF(USE_OPENGL_ES2)
+IF(OPENGLES STREQUAL "2.0")
     FIND_PACKAGE(OpenGLES2 REQUIRED)
     FIND_PACKAGE(EGL REQUIRED)
-    ADD_DEFINITIONS(-DOPENGL_ES2)
+    ADD_DEFINITIONS(-DOPENGL_ES=2)
-    SET(OPENGL_INCLUDE_DIR ${EGL_INCLUDE_DIR} ${OPENGLES_INCLUDE_DIR})
+    SET(OPENGL_INCLUDE_DIR ${EGL_INCLUDE_DIR} ${OPENGLES2_INCLUDE_DIR})
-    SET(OPENGL_LIBRARIES ${EGL_LIBRARY} ${OPENGLES_LIBRARY})
+    SET(OPENGL_LIBRARIES ${EGL_LIBRARY} ${OPENGLES2_LIBRARY})
+
+    SET(framework_SOURCES ${framework_SOURCES}
+        ${CMAKE_CURRENT_LIST_DIR}/graphics/painterogl2.cpp)
+ELSEIF(OPENGLES STREQUAL "1.0")
+    FIND_PACKAGE(OpenGLES1 REQUIRED)
+    FIND_PACKAGE(EGL REQUIRED)
+    ADD_DEFINITIONS(-DOPENGL_ES=1)
+    SET(OPENGL_INCLUDE_DIR ${EGL_INCLUDE_DIR} ${OPENGLES1_INCLUDE_DIR})
+    SET(OPENGL_LIBRARIES ${EGL_LIBRARY} ${OPENGLES1_LIBRARY})
+
+    SET(framework_SOURCES ${framework_SOURCES}
+        ${CMAKE_CURRENT_LIST_DIR}/graphics/painterogl1.cpp)
 ELSE()
     FIND_PACKAGE(OpenGL REQUIRED)
     FIND_PACKAGE(GLEW REQUIRED)
     SET(OPENGL_LIBRARIES ${GLEW_LIBRARY} ${OPENGL_LIBRARIES})
+
+    SET(framework_SOURCES ${framework_SOURCES}
+        ${CMAKE_CURRENT_LIST_DIR}/graphics/painterogl1.cpp
+        ${CMAKE_CURRENT_LIST_DIR}/graphics/painterogl2.cpp)
 ENDIF()
+MESSAGE(STATUS "OpenGL ES: " ${OPENGLES})
 
 IF(LUAJIT)
     FIND_PACKAGE(LuaJIT REQUIRED)
 ELSE()
     FIND_PACKAGE(Lua REQUIRED)
 ENDIF()
+MESSAGE(STATUS "LuaJIT: " ${LUAJIT})
 
 FIND_PACKAGE(PhysFS REQUIRED)
 FIND_PACKAGE(GMP REQUIRED)
@@ -52,33 +88,6 @@ FIND_PACKAGE(VorbisFile REQUIRED)
 FIND_PACKAGE(Vorbis REQUIRED)
 FIND_PACKAGE(Ogg REQUIRED)
 
-# setup compiler options
-SET(CXX_WARNS "-Wall -Wextra -Werror -Wno-unused-parameter -Wno-unused-but-set-variable")
-SET(CMAKE_CXX_FLAGS                   "${CMAKE_CXX_FLAGS} ${CXX_WARNS} -std=gnu++0x -pipe")
-SET(CMAKE_C_FLAGS                     "${CMAKE_C_FLAGS} ${CXX_WARNS} -pipe")
-SET(CMAKE_CXX_FLAGS_DEBUG             "-O0 -ggdb")
-SET(CMAKE_C_FLAGS_DEBUG               "-O0 -ggdb")
-SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO    "-O1 -ggdb")
-SET(CMAKE_C_FLAGS_RELWITHDEBINFO      "-O1 -ggdb")
-SET(CMAKE_CXX_FLAGS_RELEASE           "-Os -ffast-math")
-SET(CMAKE_C_FLAGS_RELEASE             "-Os -ffast-math")
-SET(CMAKE_CXX_FLAGS_RELFORPERFORMANCE "-Ofast -mmmx -msse -msse2")
-SET(CMAKE_C_FLAGS_RELFORPERFORMANCE   "-Ofast -mmmx -msse -msse2")
-SET(CMAKE_CXX_LINK_FLAGS              "${CMAKE_CXX_LINK_FLAGS} -static-libgcc -static-libstdc++ -Wl,--as-needed")
-
-MESSAGE(STATUS "Build type: " ${CMAKE_BUILD_TYPE})
-ADD_DEFINITIONS(-D"BUILD_TYPE=\\\"${CMAKE_BUILD_TYPE}\\\"")
-
-MESSAGE(STATUS "Build revision: ${BUILD_REVISION}")
-ADD_DEFINITIONS(-D"BUILD_REVISION=\\\"${BUILD_REVISION}\\\"")
-
-IF(USE_OPENGL_ES2)
-    MESSAGE(STATUS "Renderer: OpenGL ES 2.0")
-ELSE()
-    MESSAGE(STATUS "Renderer: OpenGL")
-ENDIF()
-
-
 IF(CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
     MESSAGE(STATUS "Debug information: ON")
     ADD_DEFINITIONS(-DDEBUG)
@@ -189,8 +198,6 @@ SET(framework_SOURCES ${framework_SOURCES}
     ${CMAKE_CURRENT_LIST_DIR}/graphics/fontmanager.cpp
     ${CMAKE_CURRENT_LIST_DIR}/graphics/graphics.cpp
     ${CMAKE_CURRENT_LIST_DIR}/graphics/painter.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/graphics/painterogl1.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/graphics/painterogl2.cpp
     ${CMAKE_CURRENT_LIST_DIR}/graphics/texture.cpp
     ${CMAKE_CURRENT_LIST_DIR}/graphics/framebuffer.cpp
     ${CMAKE_CURRENT_LIST_DIR}/graphics/animatedtexture.cpp
@@ -205,6 +212,7 @@ SET(framework_SOURCES ${framework_SOURCES}
     ${CMAKE_CURRENT_LIST_DIR}/graphics/paintershaderprogram.cpp
     ${CMAKE_CURRENT_LIST_DIR}/graphics/paintershadermanager.cpp
     ${CMAKE_CURRENT_LIST_DIR}/graphics/coordsbuffer.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/graphics/image.cpp
 
     # framework sound
     ${CMAKE_CURRENT_LIST_DIR}/sound/soundsource.cpp

src/framework/cmake/FindOpenGLES1.cmake

@@ -0,0 +1,10 @@
+# Try to find the OpenGLES2 librairy
+#  OPENGLES1_FOUND - system has OpenGL ES 1.0
+#  OPENGLES1_INCLUDE_DIR - the OpenGL ES 1.0 include directory
+#  OPENGLES1_LIBRARY - the OpenGL ES 1.0 library
+
+FIND_PATH(OPENGLES1_INCLUDE_DIR NAMES GLES/gl.h)
+FIND_LIBRARY(OPENGLES1_LIBRARY NAMES GLESv1_CM)
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenGLES2 DEFAULT_MSG OPENGLES1_LIBRARY OPENGLES1_INCLUDE_DIR)
+MARK_AS_ADVANCED(OPENGLES1_LIBRARY OPENGLES1_INCLUDE_DIR)

src/framework/cmake/FindOpenGLES2.cmake

@@ -1,10 +1,10 @@
-# Try to find the OpenGLES librairy
+# Try to find the OpenGLES2 librairy
-#  OPENGLES_FOUND - system has OpenGLES
+#  OPENGLES2_FOUND - system has OpenGL ES 2.0
-#  OPENGLES_INCLUDE_DIR - the OpenGLES include directory
+#  OPENGLES2_INCLUDE_DIR - the OpenGL ES 2.0 include directory
-#  OPENGLES_LIBRARY - the OpenGLES library
+#  OPENGLES2_LIBRARY - the OpenGL ES 2.0 library
 
-FIND_PATH(OPENGLES_INCLUDE_DIR NAMES GLES2/gl2.h)
+FIND_PATH(OPENGLES2_INCLUDE_DIR NAMES GLES2/gl2.h)
-FIND_LIBRARY(OPENGLES_LIBRARY NAMES GLESv2)
+FIND_LIBRARY(OPENGLES2_LIBRARY NAMES GLESv2)
 INCLUDE(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenGLES DEFAULT_MSG OPENGLES_LIBRARY OPENGLES_INCLUDE_DIR)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenGLES2 DEFAULT_MSG OPENGLES2_LIBRARY OPENGLES2_INCLUDE_DIR)
-MARK_AS_ADVANCED(OPENGLES_LIBRARY OPENGLES_INCLUDE_DIR)
+MARK_AS_ADVANCED(OPENGLES2_LIBRARY OPENGLES2_INCLUDE_DIR)

src/framework/graphics/declarations.h

@@ -27,6 +27,7 @@
 #include "glutil.h"
 
 class Texture;
+class Image;
 class AnimatedTexture;
 class Font;
 class FrameBuffer;
@@ -41,6 +42,7 @@ class ParticleSystem;
 typedef std::weak_ptr<Texture> TextureWeakPtr;
 typedef std::weak_ptr<ParticleSystem> ParticleSystemWeakPtr;
 
+typedef std::shared_ptr<Image> ImagePtr;
 typedef std::shared_ptr<Texture> TexturePtr;
 typedef std::shared_ptr<AnimatedTexture> AnimatedTexturePtr;
 typedef std::shared_ptr<Font> FontPtr;

src/framework/graphics/font.cpp

@@ -23,6 +23,7 @@
 #include "font.h"
 #include "texturemanager.h"
 #include "graphics.h"
+#include "image.h"
 
 #include <framework/otml/otml.h>
 
@@ -42,8 +43,9 @@ void Font::load(const OTMLNodePtr& fontNode)
     if(OTMLNodePtr node = fontNode->get("fixed-glyph-width")) {
         for(int glyph = m_firstGlyph; glyph < 256; ++glyph)
             m_glyphsSize[glyph] = Size(node->value<int>(), m_glyphHeight);
-    } else
+    } else {
-        calculateGlyphsWidthsAutomatically(glyphSize);
+        calculateGlyphsWidthsAutomatically(Image::load(textureFile), glyphSize);
+    }
 
     // new line actually has a size that will be useful in multiline algorithm
     m_glyphsSize[(uchar)'\n'] = Size(1, m_glyphHeight);
@@ -247,10 +249,10 @@ Size Font::calculateTextRectSize(const std::string& text)
     return size;
 }
 
-void Font::calculateGlyphsWidthsAutomatically(const Size& glyphSize)
+void Font::calculateGlyphsWidthsAutomatically(const ImagePtr& image, const Size& glyphSize)
 {
-    int numHorizontalGlyphs = m_texture->getSize().width() / glyphSize.width();
+    int numHorizontalGlyphs = image->getSize().width() / glyphSize.width();
-    auto texturePixels = m_texture->getPixels();
+    auto texturePixels = image->getPixels();
 
     // small AI to auto calculate pixels widths
     for(int glyph = m_firstGlyph; glyph< 256; ++glyph) {
@@ -266,7 +268,7 @@ void Font::calculateGlyphsWidthsAutomatically(const Size& glyphSize)
 
             // check if all vertical pixels are alpha
             for(int y = glyphCoords.top(); y <= glyphCoords.bottom(); ++y) {
-                if(texturePixels[(y * m_texture->getSize().width() * 4) + (x*4) + 3] != 0) {
+                if(texturePixels[(y * image->getSize().width() * 4) + (x*4) + 3] != 0) {
                     columnFilledPixels++;
                     foundAnything = true;
                 }

src/framework/graphics/font.h

@@ -64,7 +64,7 @@ public:
 
 private:
     /// Calculates each font character by inspecting font bitmap
-    void calculateGlyphsWidthsAutomatically(const Size& glyphSize);
+    void calculateGlyphsWidthsAutomatically(const ImagePtr& image, const Size& glyphSize);
 
     std::string m_name;
     int m_glyphHeight;

src/framework/graphics/framebuffer.cpp

@@ -26,7 +26,6 @@
 #include <framework/platform/platformwindow.h>
 
 uint FrameBuffer::boundFbo = 0;
-std::vector<bool> auxBuffers;
 
 FrameBuffer::FrameBuffer()
 {
@@ -41,42 +40,19 @@ FrameBuffer::FrameBuffer(const Size& size)
 
 void FrameBuffer::internalCreate()
 {
+    m_prevBoundFbo = 0;
+    m_fbo = 0;
     if(g_graphics.canUseFBO()) {
         glGenFramebuffers(1, &m_fbo);
         if(!m_fbo)
             logFatal("Unable to create framebuffer object");
     }
-#ifndef OPENGL_ES2
-    else { // use auxiliar buffers when FBOs are not supported
-        m_fbo = 0;
-        if(auxBuffers.size() == 0) {
-            int maxAuxs = 0;
-            glGetIntegerv(GL_AUX_BUFFERS, &maxAuxs);
-            auxBuffers.resize(maxAuxs+1, false);
-        }
-        for(uint i=1;i<auxBuffers.size();++i) {
-            if(auxBuffers[i] == false) {
-                m_fbo = i;
-                auxBuffers[i] = true;
-                break;
-            }
-        }
-        if(!m_fbo)
-            logFatal("There is no available auxiliar buffer for a new framebuffer, total AUXs: ", auxBuffers.size()-1);
-    }
-#endif
 }
 
 FrameBuffer::~FrameBuffer()
 {
-    if(g_graphics.canUseFBO()) {
+    if(m_fbo != 0)
         glDeleteFramebuffers(1, &m_fbo);
-    }
-#ifndef OPENGL_ES2
-    else {
-        auxBuffers[m_fbo] = false;
-    }
-#endif
 }
 
 void FrameBuffer::resize(const Size& size)
@@ -90,7 +66,7 @@ void FrameBuffer::resize(const Size& size)
     m_texture = TexturePtr(new Texture(size.width(), size.height(), 4));
     m_texture->setSmooth(true);
 
-    if(g_graphics.canUseFBO()) {
+    if(m_fbo) {
         internalBind();
         glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_texture->getId(), 0);
 
@@ -98,6 +74,8 @@ void FrameBuffer::resize(const Size& size)
         if(status != GL_FRAMEBUFFER_COMPLETE)
             logFatal("Unable to setup framebuffer object");
         internalRelease();
+    } else {
+        m_screenBackup = TexturePtr(new Texture(size.width(), size.height(), 4));
     }
 }
 
@@ -147,58 +125,43 @@ void FrameBuffer::draw(const Rect& dest)
 
 void FrameBuffer::internalBind()
 {
-    if(boundFbo == m_fbo)
+    if(m_fbo) {
-        return;
+        assert(boundFbo != m_fbo);
-    assert(boundFbo != m_fbo);
-
-    if(g_graphics.canUseFBO()) {
         glBindFramebuffer(GL_FRAMEBUFFER, m_fbo);
+        m_prevBoundFbo = boundFbo;
+        boundFbo = m_fbo;
+    } else {
+        // backup screen color buffer into a texture
+        m_screenBackup->bind();
+        Size size = getSize();
+        glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, size.width(), size.height());
     }
-#ifndef OPENGL_ES2
-    else {
-        int buffer = GL_AUX0 + m_fbo - 1;
-        glDrawBuffer(buffer);
-        glReadBuffer(buffer);
-    }
-#endif
-
-    m_prevBoundFbo = boundFbo;
-    boundFbo = m_fbo;
 }
 
 void FrameBuffer::internalRelease()
 {
-    assert(boundFbo == m_fbo);
+    if(m_fbo) {
-    if(g_graphics.canUseFBO()) {
+        assert(boundFbo == m_fbo);
         glBindFramebuffer(GL_FRAMEBUFFER, m_prevBoundFbo);
-    }
+        boundFbo = m_prevBoundFbo;
-#ifndef OPENGL_ES2
+    } else {
-    else {
-        m_texture->bind();
-
         Size size = getSize();
-        glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, size.width(), size.height());
 
-        int buffer = GL_BACK;
+        // copy the drawn color buffer into the framebuffer texture
-        if(m_prevBoundFbo != 0)
+        m_texture->bind();
-            buffer = GL_AUX0 + m_fbo - 1;
+        glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, size.width(), size.height());
 
-        glDrawBuffer(buffer);
+        // restore screen original content
-        glReadBuffer(buffer);
+        g_painter->drawTexturedRect(Rect(0, 0, size), m_screenBackup, Rect(0, 0, size));
     }
-#endif
-
-    boundFbo = m_prevBoundFbo;
 }
 
 Size FrameBuffer::getSize()
 {
-#ifndef OPENGL_ES2
+    if(m_fbo == 0) {
-    if(!g_graphics.canUseFBO()) {
         // the buffer size is limited by the window size
         return Size(std::min(m_texture->getWidth(), g_window.getWidth()),
                     std::min(m_texture->getHeight(), g_window.getHeight()));
     }
-#endif
     return m_texture->getSize();
 }

src/framework/graphics/glutil.h

@@ -24,12 +24,71 @@
 #ifndef GLUTIL_H
 #define GLUTIL_H
 
-#ifndef OPENGL_ES2
+#include <GLES2/gl2.h>
+#if OPENGL_ES==2
+#include <GLES2/gl2.h>
+#elif OPENGL_ES==1
+#include <GLES/gl.h>
+
+// define OpenGL 2.0 API just to make compile, it wont actually be used
+inline void glBindFramebuffer (GLenum target, GLuint framebuffer) { }
+inline void glDeleteFramebuffers (GLsizei n, const GLuint* framebuffers) { }
+inline void glFramebufferTexture2D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level) { }
+inline void glGenFramebuffers (GLsizei n, GLuint* framebuffers) { }
+inline void glGenerateMipmap (GLenum target) { }
+inline GLenum GL_APIENTRY glCheckFramebufferStatus (GLenum target) { return GL_NONE; }
+inline GLuint glCreateShader (GLenum type) { return 0; }
+inline void glDeleteShader (GLuint shader) { }
+inline void glCompileShader (GLuint shader) { }
+inline void glAttachShader (GLuint program, GLuint shader) { }
+inline void glDetachShader (GLuint program, GLuint shader) { }
+inline void glShaderSource (GLuint shader, GLsizei count, const GLchar** string, const GLint* length) { }
+inline void glGetShaderiv (GLuint shader, GLenum pname, GLint* params) { }
+inline void glGetShaderInfoLog (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog) { }
+inline void glGetShaderPrecisionFormat (GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision) { }
+inline void glGetShaderSource (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source) { }
+inline GLuint glCreateProgram (void) { return 0; }
+inline void glDeleteProgram (GLuint program) { }
+inline void glUseProgram (GLuint program) { }
+inline void glValidateProgram (GLuint program) { }
+inline void glLinkProgram (GLuint program) { }
+inline void glGetProgramiv (GLuint program, GLenum pname, GLint* params) { }
+inline void glGetProgramInfoLog (GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog) { }
+inline void glBindAttribLocation (GLuint program, GLuint index, const GLchar* name) { }
+inline int  glGetAttribLocation (GLuint program, const GLchar* name) { return 0; }
+inline int  glGetUniformLocation (GLuint program, const GLchar* name) { return 0; }
+inline void glUniform1f (GLint location, GLfloat x) { }
+inline void glUniform1fv (GLint location, GLsizei count, const GLfloat* v) { }
+inline void glUniform1i (GLint location, GLint x) { }
+inline void glUniform1iv (GLint location, GLsizei count, const GLint* v) { }
+inline void glUniform2f (GLint location, GLfloat x, GLfloat y) { }
+inline void glUniform2fv (GLint location, GLsizei count, const GLfloat* v) { }
+inline void glUniform2i (GLint location, GLint x, GLint y) { }
+inline void glUniform2iv (GLint location, GLsizei count, const GLint* v) { }
+inline void glUniform3f (GLint location, GLfloat x, GLfloat y, GLfloat z) { }
+inline void glUniform3fv (GLint location, GLsizei count, const GLfloat* v) { }
+inline void glUniform3i (GLint location, GLint x, GLint y, GLint z) { }
+inline void glUniform3iv (GLint location, GLsizei count, const GLint* v) { }
+inline void glUniform4f (GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w) { }
+inline void glUniform4fv (GLint location, GLsizei count, const GLfloat* v) { }
+inline void glUniform4i (GLint location, GLint x, GLint y, GLint z, GLint w) { }
+inline void glUniform4iv (GLint location, GLsizei count, const GLint* v) { }
+inline void glUniformMatrix2fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) { }
+inline void glUniformMatrix3fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) { }
+inline void glUniformMatrix4fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) { }
+inline void glVertexAttrib1f (GLuint indx, GLfloat x) { }
+inline void glVertexAttrib1fv (GLuint indx, const GLfloat* values) { }
+inline void glVertexAttrib2f (GLuint indx, GLfloat x, GLfloat y) { }
+inline void glVertexAttrib2fv (GLuint indx, const GLfloat* values) { }
+inline void glVertexAttrib3f (GLuint indx, GLfloat x, GLfloat y, GLfloat z) { }
+inline void glVertexAttrib3fv (GLuint indx, const GLfloat* values) { }
+inline void glVertexAttrib4f (GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w) { }
+inline void glVertexAttrib4fv (GLuint indx, const GLfloat* values) { }
+inline void glVertexAttribPointer (GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr) { }
+
+#else
 #define GLEW_STATIC
 #include <GL/glew.h>
-#else
-#include <GLES2/gl2.h>
-//#include <GLES2/gl2ext.h>
 #endif
 
 #endif

src/framework/graphics/graphics.cpp

@@ -21,8 +21,15 @@
  */
 
 #include "fontmanager.h"
+
+#if OPENGL_ES==2
+#include "painterogl2.h"
+#elif OPENGL_ES==1
+#include "painterogl1.h"
+#else
 #include "painterogl1.h"
 #include "painterogl2.h"
+#endif
 
 #include <framework/graphics/graphics.h>
 #include <framework/graphics/texture.h>
@@ -30,14 +37,10 @@
 
 Graphics g_graphics;
 
-void oglDebugCallback(unsigned int source, unsigned int type, unsigned int id, unsigned int severity, int length, const char* message, void* userParam)
-{
-    logWarning("OGL: ", message);
-}
-
 Graphics::Graphics()
 {
     m_maxTextureSize = -1;
+    m_selectedPainterEngine = Painter_Any;
 }
 
 void Graphics::init()
@@ -45,18 +48,16 @@ void Graphics::init()
     logInfo("GPU ", glGetString(GL_RENDERER));
     logInfo("OpenGL ", glGetString(GL_VERSION));
 
-
+#if OPENGL_ES==2
-#ifndef OPENGL_ES2
+    g_painterOGL2 = new PainterOGL2;
+#elif OPENGL_ES==1
+    g_painterOGL1 = new PainterOGL1;
+#else
     // init GL extensions
     GLenum err = glewInit();
     if(err != GLEW_OK)
         logFatal("Unable to init GLEW: ", glewGetErrorString(err));
 
-#ifdef DEBUG_OPENGL
-    if(GLEW_ARB_debug_output)
-        glDebugMessageCallbackARB(oglDebugCallback, NULL);
-#endif
-
     // overwrite framebuffer API if needed
     if(GLEW_EXT_framebuffer_object && !GLEW_ARB_framebuffer_object) {
         glGenFramebuffers = glGenFramebuffersEXT;
@@ -73,8 +74,6 @@ void Graphics::init()
     // opengl 2 is only supported in newer hardware
     if(GLEW_VERSION_2_0)
         g_painterOGL2 = new PainterOGL2;
-#else
-    g_painterOGL2 = new PainterOGL2;
 #endif
 
     // determine max texture size
@@ -84,9 +83,6 @@ void Graphics::init()
     if(m_maxTextureSize == -1 || m_maxTextureSize > maxTextureSize)
         m_maxTextureSize = maxTextureSize;
 
-    //glClear(GL_COLOR_BUFFER_BIT);
-    //m_prefferedPainterEngine = Painter_OpenGL1;
-
     selectPainterEngine(m_prefferedPainterEngine);
     m_emptyTexture = TexturePtr(new Texture);
 
@@ -96,15 +92,19 @@ void Graphics::terminate()
 {
     g_fonts.releaseFonts();
 
-    if(g_painterOGL1) {
+#ifdef PAINTER_OGL2
-        delete g_painterOGL1;
-        g_painterOGL1 = nullptr;
-    }
-
     if(g_painterOGL2) {
         delete g_painterOGL2;
         g_painterOGL2 = nullptr;
     }
+#endif
+
+#ifdef PAINTER_OGL1
+    if(g_painterOGL1) {
+        delete g_painterOGL1;
+        g_painterOGL1 = nullptr;
+    }
+#endif
 
     g_painter = nullptr;
 
@@ -127,6 +127,8 @@ bool Graphics::parseOption(const std::string& option)
         m_useHardwareBuffers = false;
     else if(option == "-no-non-power-of-two-textures")
         m_useNonPowerOfTwoTextures = false;
+    else if(option == "-no-clamp-to-edge")
+        m_useClampToEdge = false;
     else if(option == "-opengl1")
         m_prefferedPainterEngine = Painter_OpenGL1;
     else if(option == "-opengl2")
@@ -138,13 +140,26 @@ bool Graphics::parseOption(const std::string& option)
 
 bool Graphics::selectPainterEngine(PainterEngine painterEngine)
 {
+    bool found = false;
+#ifdef PAINTER_OGL2
     // always prefer OpenGL 2 over OpenGL 1
-    if(g_painterOGL2 && (painterEngine == Painter_OpenGL2 || painterEngine == Painter_Any))
+    if(!found && g_painterOGL2 && (painterEngine == Painter_OpenGL2 || painterEngine == Painter_Any)) {
+        m_selectedPainterEngine = Painter_OpenGL2;
         g_painter = g_painterOGL2;
+        found = true;
+    }
+#endif
+
+#ifdef PAINTER_OGL1
     // fallback to OpenGL 1 in older hardwares
-    else if(g_painterOGL1 && (painterEngine == Painter_OpenGL1 || painterEngine == Painter_Any))
+    if(!found && g_painterOGL1 && (painterEngine == Painter_OpenGL1 || painterEngine == Painter_Any)) {
+        m_selectedPainterEngine = Painter_OpenGL1;
         g_painter = g_painterOGL1;
-    else
+        found = true;
+    }
+#endif
+
+    if(!found)
         logFatal("Neither OpenGL 1.0 nor OpenGL 2.0 painter engine is supported by your platform, "
                  "try updating your graphics drivers or your hardware and then run again.");
 
@@ -158,14 +173,6 @@ bool Graphics::selectPainterEngine(PainterEngine painterEngine)
     return getPainterEngine() == painterEngine;
 }
 
-Graphics::PainterEngine Graphics::getPainterEngine()
-{
-    if(g_painter == g_painterOGL2)
-        return Painter_OpenGL2;
-    else
-        return Painter_OpenGL1;
-}
-
 void Graphics::resize(const Size& size)
 {
     setViewportSize(size);
@@ -187,11 +194,15 @@ void Graphics::resize(const Size& size)
                                  0.0f,              -2.0f/size.height(),   0.0f,
                                 -1.0f,               1.0f,                 1.0f };
 
+#ifdef PAINTER_OGL1
     if(g_painterOGL1)
         g_painterOGL1->setProjectionMatrix(projectionMatrix);
+#endif
 
+#ifdef PAINTER_OGL2
     if(g_painterOGL2)
         g_painterOGL2->setProjectionMatrix(projectionMatrix);
+#endif
 }
 
 void Graphics::beginRender()
@@ -212,43 +223,55 @@ void Graphics::setViewportSize(const Size& size)
 
 bool Graphics::canUseDrawArrays()
 {
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
+    return true;
+#else
+    // glDrawArrays is supported by OpenGL 1.1
     if(!GLEW_VERSION_1_1)
         return false;
-#else
-    return false;
-#endif
     return m_useDrawArrays;
+#endif
 }
 
 bool Graphics::canUseShaders()
 {
-#ifndef OPENGL_ES2
+#if OPENGL_ES==2
+    return true;
+#elif OPENGL_ES==1
+    return false;
+#else
+    // fragment and vertex programs are supported by OpenGL 2.0
     if(GLEW_ARB_vertex_program && GLEW_ARB_vertex_shader && GLEW_ARB_fragment_shader)
         return true;
-#else
-    return true;
-#endif
     return false;
+#endif
 }
 
 bool Graphics::canUseFBO()
 {
-#ifndef OPENGL_ES2
+#if OPENGL_ES==2
+    return m_useFBO;
+#elif OPENGL_ES==1
+    return false;
+#else
+    // FBOs are supported by OpenGL 3.0
+    // or by OpenGL 2.0 with EXT_framebuffer_object (most of the OpenGL 2.0 implementations have this extension)
     if(!GLEW_ARB_framebuffer_object || !GLEW_EXT_framebuffer_object)
         return false;
-#endif
     return m_useFBO;
+#endif
 }
 
 bool Graphics::canUseBilinearFiltering()
 {
+    // bilinear filtering is supported by any OpenGL implementation
     return m_useBilinearFiltering;
 }
 
 bool Graphics::canUseHardwareBuffers()
 {
-#ifndef OPENGL_ES2
+#ifndef OPENGL_ES
+    // vertex buffer objects is supported by OpenGL 1.5
     if(!GLEW_ARB_vertex_buffer_object)
         return false;
 #endif
@@ -257,24 +280,46 @@ bool Graphics::canUseHardwareBuffers()
 
 bool Graphics::canUseNonPowerOfTwoTextures()
 {
-#ifndef OPENGL_ES2
+#if OPENGL_ES==2
+    return m_useNonPowerOfTwoTextures;
+#elif OPENGL_ES==1
+    return false;
+#else
+    // power of two textures is supported by OpenGL 2.0
     if(!GLEW_ARB_texture_non_power_of_two)
         return false;
-#endif
     return m_useNonPowerOfTwoTextures;
+#endif
 }
 
 bool Graphics::canUseMipmaps()
 {
+    // mipmaps is supported by any OpenGL implementation
     return m_useMipmaps;
 }
 
 bool Graphics::canUseHardwareMipmaps()
 {
-#ifndef OPENGL_ES2
+#if OPENGL_ES==2
-    // glGenerateMipmap is supported when framebuffers are too
+    return m_useHardwareMipmaps;
+#elif OPENGL_ES==1
+    return false;
+#else
+    // glGenerateMipmap is supported when FBOs are
     if(!GLEW_ARB_framebuffer_object || !GLEW_EXT_framebuffer_object)
         return false;
-#endif
     return m_useHardwareMipmaps;
+#endif
+}
+
+bool Graphics::canUseClampToEdge()
+{
+#ifdef OPENGL_ES
+    return m_useClampToEdge;
+#else
+    // GL_CLAMP_TO_EDGE is present in OpenGL 1.2
+    if(!GLEW_VERSION_1_2)
+        return false;
+    return m_useClampToEdge;
+#endif
 }

src/framework/graphics/graphics.h

@@ -42,7 +42,6 @@ public:
     bool parseOption(const std::string& option);
 
     bool selectPainterEngine(PainterEngine painterEngine);
-    PainterEngine getPainterEngine();
  
     void resize(const Size& size);
     void beginRender();
@@ -53,6 +52,7 @@ public:
     int getMaxTextureSize() { return m_maxTextureSize; }
     const Size& getViewportSize() { return m_viewportSize; }
     TexturePtr& getEmptyTexture() { return m_emptyTexture; }
+    PainterEngine getPainterEngine() { return m_selectedPainterEngine; }
 
     bool canUseDrawArrays();
     bool canUseShaders();
@@ -62,6 +62,7 @@ public:
     bool canUseNonPowerOfTwoTextures();
     bool canUseMipmaps();
     bool canUseHardwareMipmaps();
+    bool canUseClampToEdge();
 
 private:
     Size m_viewportSize;
@@ -75,7 +76,9 @@ private:
     Boolean<true> m_useNonPowerOfTwoTextures;
     Boolean<true> m_useMipmaps;
     Boolean<true> m_useHardwareMipmaps;
+    Boolean<true> m_useClampToEdge;
     PainterEngine m_prefferedPainterEngine;
+    PainterEngine m_selectedPainterEngine;
 };
 
 extern Graphics g_graphics;

src/framework/graphics/image.cpp

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#include "image.h"
+
+#include <framework/core/resourcemanager.h>
+#include <framework/thirdparty/apngloader.h>
+
+Image::Image(const Size& size, int bpp, uint8 *pixels)
+{
+    m_size = size;
+    m_bpp = bpp;
+    m_pixels.resize(size.area() * bpp);
+    memcpy(&m_pixels[0], pixels, m_pixels.size());
+}
+
+ImagePtr Image::load(const std::string& file)
+{
+    ImagePtr image;
+    try {
+        // currently only png images are supported
+        if(!boost::ends_with(file, ".png"))
+            Fw::throwException("image file format no supported");
+
+        // load image file data
+        image = loadPNG(file);
+    } catch(Exception& e) {
+        logError("unable to load image '", file, "': ", e.what());
+    }
+    return image;
+}
+
+ImagePtr Image::loadPNG(const std::string& file)
+{
+    std::stringstream fin;
+    g_resources.loadFile(file, fin);
+    ImagePtr image;
+    apng_data apng;
+    if(load_apng(fin, &apng) == 0) {
+        image = ImagePtr(new Image(Size(apng.width, apng.height), apng.bpp, apng.pdata));
+        free_apng(&apng);
+    }
+    return image;
+}

src/framework/graphics/image.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef IMAGE_H
+#define IMAGE_H
+
+#include "declarations.h"
+#include <framework/util/databuffer.h>
+
+class Image
+{
+public:
+    Image(const Size& size, int bpp, uint8 *pixels);
+
+    static ImagePtr load(const std::string& file);
+    static ImagePtr loadPNG(const std::string& file);
+
+    const std::vector<uint8>& getPixels() { return m_pixels; }
+    const Size& getSize() { return m_size; }
+    int getBpp() { return m_bpp; }
+
+private:
+    std::vector<uint8> m_pixels;
+    Size m_size;
+    int m_bpp;
+};
+
+#endif

src/framework/graphics/painterogl1.cpp

@@ -63,10 +63,13 @@ void PainterOGL1::drawCoords(CoordsBuffer& coordsBuffer, DrawMode drawMode)
         return;
 
     bool textured = coordsBuffer.getTextureCoordCount() != 0;
-    if(textured)
+    if(textured != m_textureEnabled) {
-        glEnable(GL_TEXTURE_2D);
+        if(textured)
-    else
+            glEnable(GL_TEXTURE_2D);
-        glDisable(GL_TEXTURE_2D);
+        else
+            glDisable(GL_TEXTURE_2D);
+        m_textureEnabled = textured;
+    }
 
     // use vertex arrays if possible, much faster
     if(g_graphics.canUseDrawArrays()) {
@@ -95,7 +98,9 @@ void PainterOGL1::drawCoords(CoordsBuffer& coordsBuffer, DrawMode drawMode)
 
         // draw the element in coords buffers
         glDrawArrays(drawMode, 0, vertexCount);
-    } else {
+    }
+#ifndef OPENGL_ES
+    else {
         int verticesSize = vertexCount*2;
         float *vertices = coordsBuffer.getVertexArray();
         float *texCoords = coordsBuffer.getTextureCoordArray();
@@ -111,6 +116,7 @@ void PainterOGL1::drawCoords(CoordsBuffer& coordsBuffer, DrawMode drawMode)
         }
         glEnd();
     }
+#endif
 }
 
 void PainterOGL1::drawTextureCoords(CoordsBuffer& coordsBuffer, const TexturePtr& texture)

src/framework/graphics/painterogl1.h

@@ -23,6 +23,8 @@
 #ifndef PAINTEROGL1_H
 #define PAINTEROGL1_H
 
+#define PAINTER_OGL1
+
 #include "painter.h"
 
 /**
@@ -35,8 +37,8 @@ class PainterOGL1 : public Painter
 {
 public:
     enum MatrixMode {
-        MatrixProjection = GL_PROJECTION,
+        MatrixProjection = 0x1701, //GL_PROJECTION
-        MatrixTexture = GL_TEXTURE
+        MatrixTexture = 0x1702, //GL_TEXTURE
     };
 
     PainterOGL1();
@@ -66,6 +68,7 @@ private:
     void updateGlTextureMatrix();
 
     GLenum m_matrixMode;
+    Boolean<false> m_textureEnabled;
 };
 
 extern PainterOGL1 *g_painterOGL1;

src/framework/graphics/painterogl2.h

@@ -23,6 +23,8 @@
 #ifndef PAINTEROGL2_H
 #define PAINTEROGL2_H
 
+#define PAINTER_OGL2
+
 #include "painter.h"
 
 /**

src/framework/graphics/paintershadersources.h

@@ -1,67 +0,0 @@
-/*
- * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-static const std::string glslMainVertexShader = "\n\
-    highp vec4 calculatePosition();\n\
-    void main() {\n\
-        gl_Position = calculatePosition();\n\
-    }\n";
-
-static const std::string glslMainWithTexCoordsVertexShader = "\n\
-    attribute highp vec2 a_texCoord;\n\
-    uniform highp mat2 texTransformMatrix;\n\
-    varying highp vec2 texCoord;\n\
-    highp vec4 calculatePosition();\n\
-    void main()\n\
-    {\n\
-        gl_Position = calculatePosition();\n\
-        texCoord = texTransformMatrix * a_texCoord;\n\
-    }\n";
-
-static std::string glslPositionOnlyVertexShader = "\n\
-    attribute highp vec2 a_vertex;\n\
-    uniform highp mat3 projectionMatrix;\n\
-    highp vec4 calculatePosition() {\n\
-        return vec4(projectionMatrix * vec3(a_vertex.xy, 1), 1);\n\
-    }\n";
-
-static const std::string glslMainFragmentShader = "\n\
-    uniform lowp float opacity;\n\
-    lowp vec4 calculatePixel();\n\
-    void main()\n\
-    {\n\
-        gl_FragColor = calculatePixel() * opacity;\n\
-    }\n";
-
-static const std::string glslTextureSrcFragmentShader = "\n\
-    varying mediump vec2 texCoord;\n\
-    uniform lowp vec4 color;\n\
-    uniform sampler2D tex0;\n\
-    lowp vec4 calculatePixel() {\n\
-        return texture2D(tex0, texCoord) * color;\n\
-    }\n";
-
-static const std::string glslSolidColorFragmentShader = "\n\
-    uniform lowp vec4 color;\n\
-    lowp vec4 calculatePixel() {\n\
-        return color;\n\
-    }\n";

src/framework/graphics/shader.cpp

@@ -46,7 +46,7 @@ Shader::~Shader()
 
 bool Shader::compileSourceCode(const std::string& sourceCode)
 {
-#ifndef OPENGL_ES2
+#ifndef OPENGL_ES
     static const char *qualifierDefines =
         "#define lowp\n"
         "#define mediump\n"
@@ -65,7 +65,7 @@ bool Shader::compileSourceCode(const std::string& sourceCode)
     glShaderSource(m_shaderId, 1, &c_source, NULL);
     glCompileShader(m_shaderId);
 
-    int res;
+    int res = GL_FALSE;
     glGetShaderiv(m_shaderId, GL_COMPILE_STATUS, &res);
     return (res == GL_TRUE);
 }
@@ -79,7 +79,7 @@ bool Shader::compileSourceFile(const std::string& sourceFile)
 std::string Shader::log()
 {
     std::string infoLog;
-    GLint infoLogLength;
+    GLint infoLogLength = 0;
     glGetShaderiv(m_shaderId, GL_INFO_LOG_LENGTH, &infoLogLength);
     if(infoLogLength > 1) {
         std::vector<char> buf(infoLogLength);

src/framework/graphics/shaderprogram.cpp

@@ -87,7 +87,7 @@ bool ShaderProgram::link()
 
     glLinkProgram(m_programId);
 
-    GLint value;
+    GLint value = GL_FALSE;
     glGetProgramiv(m_programId, GL_LINK_STATUS, &value);
     m_linked = (value != GL_FALSE);
 
@@ -118,7 +118,7 @@ void ShaderProgram::release()
 std::string ShaderProgram::log()
 {
     std::string infoLog;
-    GLint infoLogLength;
+    GLint infoLogLength = 0;
     glGetProgramiv(m_programId, GL_INFO_LOG_LENGTH, &infoLogLength);
     if(infoLogLength > 1) {
         std::vector<char> buf(infoLogLength);

src/framework/graphics/texture.cpp

@@ -32,7 +32,7 @@ Texture::Texture()
 Texture::Texture(int width, int height, int channels, uchar *pixels)
 {
     // generate opengl texture
-    m_textureId = internalLoadGLTexture(pixels, channels, width, height);
+    internalLoadGLTexture(pixels, channels, width, height);
 }
 
 Texture::~Texture()
@@ -66,7 +66,8 @@ uint Texture::internalLoadGLTexture(uchar *pixels, int channels, int width, int
     GLuint id;
     glGenTextures(1, &id);
     assert(id != 0);
-    glBindTexture(GL_TEXTURE_2D, id);
+    m_textureId = id;
+    bind();
 
     // detect pixels GL format
     GLenum format = 0;
@@ -88,15 +89,25 @@ uint Texture::internalLoadGLTexture(uchar *pixels, int channels, int width, int
     // load pixels into gl memory
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_size.width(), m_size.height(), 0, format, GL_UNSIGNED_BYTE, pixels);
 
-    // disable texture border
+    GLint texParam = GL_REPEAT;
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    if(g_graphics.canUseClampToEdge())
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+        texParam = GL_CLAMP_TO_EDGE; // disable texture borders by default
+
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, texParam);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, texParam);
 
     setupFilters();
 
     return id;
 }
 
+void Texture::bind()
+{
+    // must reset painter texture state
+    //g_painter->setTexture(this);
+    glBindTexture(GL_TEXTURE_2D, m_textureId);
+}
+
 void Texture::generateMipmaps()
 {
     if(!generateHardwareMipmaps()) {
@@ -112,11 +123,6 @@ bool Texture::generateHardwareMipmaps()
     if(!g_graphics.canUseHardwareMipmaps())
         return false;
 
-#ifndef OPENGL_ES2
-    if(!GLEW_ARB_framebuffer_object)
-        return false;
-#endif
-
     bind();
 
     if(!m_hasMipmaps) {
@@ -141,28 +147,6 @@ void Texture::setSmooth(bool smooth)
     setupFilters();
 }
 
-std::vector<uint8> Texture::getPixels()
-{
-    std::vector<uint8> pixels(m_size.area()*4, 0);
-#ifdef OPENGL_ES2
-    // hack to copy pixels from opengl memory in opengl es
-    // NOTE: this can be slow, but its the only way to get pixels from a texture in OpenGL ES
-    FrameBufferPtr fb(new FrameBuffer(m_size));
-    fb->bind();
-    fb->clear(Color::alpha);
-    g_painter->saveAndResetState();
-    g_painter->drawTexturedRect(Rect(0,0,m_size), shared_from_this());
-    glReadPixels(0, 0, m_size.width(), m_size.height(), GL_RGBA, GL_UNSIGNED_BYTE, &pixels[0]);
-    g_painter->restoreSavedState();
-    fb->release();
-#else
-    // copy pixels from opengl memory
-    glBindTexture(GL_TEXTURE_2D, m_textureId);
-    glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, &pixels[0]);
-#endif
-    return pixels;
-}
-
 void Texture::generateSoftwareMipmaps(std::vector<uint8> inPixels)
 {
     bind();

src/framework/graphics/texture.h

@@ -32,7 +32,7 @@ public:
     Texture(int width, int height, int channels, uchar* pixels = NULL);
     virtual ~Texture();
 
-    void bind() { glBindTexture(GL_TEXTURE_2D, m_textureId); }
+    void bind();
 
     /// Tries to generate mipmaps via hardware, otherwise fallback to software implementation
     void generateMipmaps();
@@ -43,10 +43,8 @@ public:
 
     /// Activate texture anti-aliasing giving a better look when they are resized
     void setSmooth(bool smooth);
-    GLuint getId()  { return m_textureId; }
 
-    /// Return actual texture pixels
+    GLuint getId()  { return m_textureId; }
-    std::vector<uint8> getPixels();
 
     int getWidth() { return m_size.width(); }
     int getHeight() { return m_size.height(); }

src/framework/platform/x11window.cpp

@@ -41,14 +41,14 @@ X11Window::X11Window()
     m_wmDelete = 0;
     m_size = Size(600,480);
 
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
-    m_fbConfig = 0;
-    m_glxContext = 0;
-#else
     m_eglConfig = 0;
     m_eglContext = 0;
     m_eglDisplay = 0;
     m_eglSurface = 0;
+#else
+    m_fbConfig = 0;
+    m_glxContext = 0;
 #endif
 
     m_keyMap[XK_Escape] = Fw::KeyEscape;
@@ -350,27 +350,43 @@ bool X11Window::internalSetupWindowInput()
 
 void X11Window::internalCheckGL()
 {
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
-    if(!glXQueryExtension(m_display, NULL, NULL))
-        logFatal("GLX not supported");
-#else
     m_eglDisplay = eglGetDisplay((EGLNativeDisplayType)m_display);
     if(m_eglDisplay == EGL_NO_DISPLAY)
         logFatal("EGL not supported");
 
     if(!eglInitialize(m_eglDisplay, NULL, NULL))
         logFatal("Unable to initialize EGL");
+#else
+    if(!glXQueryExtension(m_display, NULL, NULL))
+        logFatal("GLX not supported");
 #endif
 }
 
 void X11Window::internalChooseGLVisual()
 {
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
+    static int attrList[] = {
+#if OPENGL_ES==2
+        EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+#else
+        EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT,
+#endif
+        EGL_NONE
+    };
+
+    EGLint numConfig;
+    if(!eglChooseConfig(m_eglDisplay, attrList, &m_eglConfig, 1, &numConfig))
+        logFatal("Failed to choose EGL config");
+
+    if(numConfig != 1)
+        logWarning("Didn't got the exact EGL config");
+
+    m_rootWindow = DefaultRootWindow(m_display);
+#else
     static int attrList[] = {
         GLX_RENDER_TYPE, GLX_RGBA_BIT,
         GLX_DOUBLEBUFFER, True,
-        //GLX_DEPTH_SIZE, 24,
-        //GLX_STENCIL_SIZE, 8,
         None
     };
 
@@ -384,67 +400,38 @@ void X11Window::internalChooseGLVisual()
         logFatal("Couldn't choose RGBA, double buffered visual");
 
     m_rootWindow = RootWindow(m_display, m_visual->screen);
-#else
-    static int attrList[] = {
-        EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
-        //EGL_STENCIL_SIZE, 8,
-        EGL_NONE
-    };
-
-    EGLint numConfig;
-    if(!eglChooseConfig(m_eglDisplay, attrList, &m_eglConfig, 1, &numConfig))
-        logFatal("Failed to choose EGL config");
-
-    if(numConfig != 1)
-        logWarning("Didn't got the exact EGL config");
-
-    m_rootWindow = DefaultRootWindow(m_display);
 #endif
 }
 
 void X11Window::internalCreateGLContext()
 {
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
-#ifdef DEBUG_OPENGL
-    typedef GLXContext (*GLXCREATECONTEXTATTRIBSARBPROC)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
-    GLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = NULL;
-    glXCreateContextAttribsARB = (GLXCREATECONTEXTATTRIBSARBPROC)glXGetProcAddress((const GLubyte*) "glXCreateContextAttribsARB");
-    if(glXCreateContextAttribsARB) {
-        int attrs[] = {
-            GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_DEBUG_BIT_ARB,
-            None
-        };
-        m_glxContext = glXCreateContextAttribsARB(m_display, *m_fbConfig, NULL, True, attrs);
-    } else
-#endif
-        m_glxContext = glXCreateContext(m_display, m_visual, NULL, True);
-
-    if(!m_glxContext)
-        logFatal("Unable to create GLX context");
-
-    if(!glXIsDirect(m_display, m_glxContext))
-        logWarning("GL direct rendering is not possible");
-#else
     EGLint attrList[] = {
+#if OPENGL_ES==2
         EGL_CONTEXT_CLIENT_VERSION, 2,
+#else
+        EGL_CONTEXT_CLIENT_VERSION, 1,
+#endif
         EGL_NONE
     };
 
     m_eglContext = eglCreateContext(m_eglDisplay, m_eglConfig, EGL_NO_CONTEXT, attrList);
     if(m_eglContext == EGL_NO_CONTEXT )
         logFatal("Unable to create EGL context: ", eglGetError());
+#else
+    m_glxContext = glXCreateContext(m_display, m_visual, NULL, True);
+
+    if(!m_glxContext)
+        logFatal("Unable to create GLX context");
+
+    if(!glXIsDirect(m_display, m_glxContext))
+        logWarning("GL direct rendering is not possible");
 #endif
 }
 
 void X11Window::internalDestroyGLContext()
 {
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
-    if(m_glxContext) {
-        glXMakeCurrent(m_display, None, NULL);
-        glXDestroyContext(m_display, m_glxContext);
-        m_glxContext = 0;
-    }
-#else
     if(m_eglDisplay) {
         if(m_eglContext) {
             eglDestroyContext(m_eglDisplay, m_eglContext);
@@ -457,41 +444,48 @@ void X11Window::internalDestroyGLContext()
         eglTerminate(m_eglDisplay);
         m_eglDisplay = 0;
     }
+#else
+    if(m_glxContext) {
+        glXMakeCurrent(m_display, None, NULL);
+        glXDestroyContext(m_display, m_glxContext);
+        m_glxContext = 0;
+    }
 #endif
 }
 
 void X11Window::internalConnectGLContext()
 {
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
-    if(!glXMakeCurrent(m_display, m_window, m_glxContext))
-        logFatal("Unable to set GLX context on X11 window");
-#else
     m_eglSurface = eglCreateWindowSurface(m_eglDisplay, m_eglConfig, m_window, NULL);
     if(m_eglSurface == EGL_NO_SURFACE)
         logFatal("Unable to create EGL surface: ", eglGetError());
     if(!eglMakeCurrent(m_eglDisplay, m_eglSurface, m_eglSurface, m_eglContext))
         logFatal("Unable to connect EGL context into X11 window");
+#else
+    if(!glXMakeCurrent(m_display, m_window, m_glxContext))
+        logFatal("Unable to set GLX context on X11 window");
 #endif
 }
 
 void *X11Window::getExtensionProcAddress(const char *ext)
 {
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
-    return (void *)glXGetProcAddressARB((const GLubyte*)ext);
-#else
     //TODO
     return NULL;
+#else
+    return (void *)glXGetProcAddressARB((const GLubyte*)ext);
 #endif
 }
 
 bool X11Window::isExtensionSupported(const char *ext)
 {
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
+    //TODO
+    return false;
+#else
     const char *exts = glXQueryExtensionsString(m_display, m_screen);
     if(strstr(exts, ext))
         return true;
-#else
-    //TODO
 #endif
     return false;
 }
@@ -805,23 +799,11 @@ void X11Window::poll()
 
 void X11Window::swapBuffers()
 {
-#if 0
+#ifdef OPENGL_ES
-    auto now = std::chrono::high_resolution_clock::now();
+    eglSwapBuffers(m_eglDisplay, m_eglSurface);
-    auto gpuStart = now;
+#else
-    static decltype(now) cpuStart;
-    int cpu = std::chrono::duration_cast<std::chrono::nanoseconds>(now - cpuStart).count();
-#endif
-#ifndef OPENGL_ES2
     glFinish();
     glXSwapBuffers(m_display, m_window);
-#else
-    eglSwapBuffers(m_eglDisplay, m_eglSurface);
-#endif
-#if 0
-    now = std::chrono::high_resolution_clock::now();
-    int gpu = std::chrono::duration_cast<std::chrono::nanoseconds>(now - gpuStart).count();
-    cpuStart = now;
-    dump << "cpu" << cpu << "gpu" << gpu;
 #endif
 }
 
@@ -956,7 +938,9 @@ void X11Window::setFullscreen(bool fullscreen)
 
 void X11Window::setVerticalSync(bool enable)
 {
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
+    //TODO
+#else
     typedef GLint (*glSwapIntervalProc)(GLint);
     glSwapIntervalProc glSwapInterval = NULL;
 
@@ -967,8 +951,6 @@ void X11Window::setVerticalSync(bool enable)
 
     if(glSwapInterval)
         glSwapInterval(enable ? 1 : 0);
-#else
-    //TODO
 #endif
 }
 
@@ -1059,7 +1041,7 @@ std::string X11Window::getClipboardText()
 
 std::string X11Window::getPlatformType()
 {
-#ifndef OPENGL_ES2
+#ifndef OPENGL_ES
     return "X11-GLX";
 #else
     return "X11-EGL";

src/framework/platform/x11window.h

@@ -29,10 +29,10 @@
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>
 
-#ifndef OPENGL_ES2
+#ifdef OPENGL_ES
-#include <GL/glx.h>
-#else
 #include <EGL/egl.h>
+#else
+#include <GL/glx.h>
 #endif
 
 class X11Window : public PlatformWindow
@@ -94,7 +94,7 @@ private:
     Atom m_wmDelete;
     std::string m_clipboardText;
 
-#ifndef OPENGL_ES2
+#ifndef OPENGL_ES
     GLXContext m_glxContext;
     GLXFBConfig *m_fbConfig;
 #else

src/otclient/core/creature.cpp

@@ -184,27 +184,33 @@ void Creature::internalDrawOutfit(const Point& dest, float scaleFactor, bool ani
 
 void Creature::drawOutfit(const Rect& destRect, bool resize)
 {
-    static FrameBufferPtr outfitBuffer;
+    if(g_graphics.canUseFBO()) {
-    if(!outfitBuffer)
+        static FrameBufferPtr outfitBuffer;
-        outfitBuffer = FrameBufferPtr(new FrameBuffer(Size(2*Otc::TILE_PIXELS, 2*Otc::TILE_PIXELS)));
+        if(!outfitBuffer)
-
+            outfitBuffer = FrameBufferPtr(new FrameBuffer(Size(2*Otc::TILE_PIXELS, 2*Otc::TILE_PIXELS)));
-    g_painter->saveAndResetState();
+
-    outfitBuffer->bind();
+        g_painter->saveAndResetState();
-    outfitBuffer->clear(Color::alpha);
+        outfitBuffer->bind();
-    internalDrawOutfit(Point(Otc::TILE_PIXELS,Otc::TILE_PIXELS) + getDisplacement(), 1, false, true, Otc::South);
+        outfitBuffer->clear(Color::alpha);
-    outfitBuffer->release();
+        internalDrawOutfit(Point(Otc::TILE_PIXELS,Otc::TILE_PIXELS) + getDisplacement(), 1, false, true, Otc::South);
-    g_painter->restoreSavedState();
+        outfitBuffer->release();
-
+        g_painter->restoreSavedState();
-    if(resize) {
+
         Rect srcRect;
-        srcRect.resize(getExactSize(), getExactSize());
+        if(resize)
-        srcRect.moveBottomRight(Point(2*Otc::TILE_PIXELS, 2*Otc::TILE_PIXELS));
+            srcRect.resize(getExactSize(), getExactSize());
+        else
+            srcRect.resize(2*Otc::TILE_PIXELS*0.75f, 2*Otc::TILE_PIXELS*0.75f);
+        srcRect.moveBottomRight(Point(2*Otc::TILE_PIXELS - 1, 2*Otc::TILE_PIXELS - 1));
         outfitBuffer->draw(destRect, srcRect);
     } else {
-        Rect dest = destRect;
+        float scaleFactor;
-        dest.expandTop(Otc::TILE_PIXELS);
+        if(resize)
-        dest.expandLeft(Otc::TILE_PIXELS);
+            scaleFactor = destRect.width() / (float)getExactSize();
-        outfitBuffer->draw(dest);
+        else
+            scaleFactor = destRect.width() / (float)(2*Otc::TILE_PIXELS*0.75f);
+        Point dest = destRect.bottomRight() - (Point(Otc::TILE_PIXELS,Otc::TILE_PIXELS) - getDisplacement())*scaleFactor;
+        internalDrawOutfit(dest, scaleFactor, false, true, Otc::South);
     }
 }