experimental map shaders

modules/game/game.otmod

@@ -8,7 +8,6 @@ Module
     - client_extended
     - game_tibiafiles
     - client_background
-    //- game_shaders
 
   load-later:
     - game_textmessage
@@ -29,6 +28,7 @@ Module
     - game_questlog
     - game_ruleviolation
     - game_bugreport
+    - game_shaders
 
   @onLoad: |
     importStyle 'styles/items.otui'

modules/game_shaders/map.frag

@@ -1,105 +0,0 @@
-uniform float opacity; // painter opacity
-uniform vec4 color; // painter color
-uniform float time; // time in seconds since shader linkage
-uniform sampler2D tex0; // map texture
-varying vec2 texCoord; // map texture coords
-//uniform vec4 awareArea;
-
-
-void main()
-{
-    gl_FragColor = texture2D(tex0, texCoord);
-}
-
-/*
-vec4 grayScale(vec4 color, float factor)
-{
-    float gray = dot(color.rgb, vec3(0.299, 0.587, 0.114));
-    return vec4(gray*factor + (1-factor)*color.r,
-                gray*factor + (1-factor)*color.g,
-                gray*factor + (1-factor)*color.b, 1);
-}
-
-// grayscale fog
-void main()
-{
-    vec4 color = texture2D(texture, textureCoords);
-    float dist = 0;
-    // left
-    if(textureCoords.x < awareArea.x && textureCoords.y < awareArea.y)
-        dist = distance(textureCoords, awareArea.xy);
-    else if(textureCoords.x < awareArea.x && textureCoords.y < awareArea.w)
-        dist = distance(textureCoords, vec2(awareArea.x, textureCoords.y));
-    else if(textureCoords.x < awareArea.x)
-        dist = distance(textureCoords, awareArea.xw);
-    // right
-    else if(textureCoords.x > awareArea.z && textureCoords.y < awareArea.y)
-        dist = distance(textureCoords, awareArea.zy);
-    else if(textureCoords.x > awareArea.z && textureCoords.y < awareArea.w)
-        dist = distance(textureCoords, vec2(awareArea.z, textureCoords.y));
-    else if(textureCoords.x > awareArea.z)
-        dist = distance(textureCoords, awareArea.zw);
-    // top
-    else if(textureCoords.y < awareArea.y)
-        dist = distance(textureCoords, vec2(textureCoords.x, awareArea.y));
-    // bottom
-    else if(textureCoords.y > awareArea.w)
-        dist = distance(textureCoords, vec2(textureCoords.x, awareArea.w));
-    if(dist > 0) {
-        float range = 0.01;
-        float factor = min(dist/range, 1.0);
-        color = grayScale(color, factor);
-        //color.rgb *= 1 - (factor * 0.5);
-    }
-    gl_FragColor = color;
-}
-*/
-
-/*
-sepia
-void main()
-{
-    vec4 color = texture2D(texture, textureCoords);
-    if(textureCoords.x < awareArea.x || textureCoords.y < awareArea.y || textureCoords.x > awareArea.z || textureCoords.y > awareArea.w) {
-        gl_FragColor.r = dot(color, vec4(.393, .769, .189, .0));
-        gl_FragColor.g = dot(color, vec4(.349, .686, .168, .0));
-        gl_FragColor.b = dot(color, vec4(.272, .534, .131, .0));
-        gl_FragColor.a = 1;
-    } else
-        gl_FragColor = color;
-}
-*/
-
-/*
-void main()
-{
-    vec4 color = texture2D(texture, textureCoords);
-    vec2 awareRange = (awareArea.zw - awareArea.xy)/2.0;
-    float dist = distance(textureCoords, awareArea.xy + awareRange);
-    float start = min(awareRange.x, awareRange.y);
-    float range = awareRange*0.1;
-    float endFactor = 0.3;
-    if(dist >= start) {
-        color.rgb *= 1 - (min((dist - start)/range, 1.0) * (2.0 - endFactor));
-    }
-    gl_FragColor = color;
-}
-*/
-/*
-void main()
-{
-   vec4 sum = vec4(0);
-   vec2 texcoord = texCoord;
-   int j;
-   int i;
-
-   for( i= -4 ;i < 4; i++)
-   {
-        for (j = -4; j < 4; j++)
-        {
-            sum += texture2D(tex0, texcoord + vec2(j, i)*0.0025) * 0.0125;
-        }
-   }
-   gl_FragColor = texture2D(tex0, texCoord) + sum;
-}
-*/

modules/game_shaders/shaders.lua

@@ -0,0 +1,56 @@
+Shaders = {}
+
+local HOTKEY = 'Ctrl+X'
+local SHADERS = {
+  ['Default'] = 'shaders/default.frag',
+  ['Bloom'] = 'shaders/bloom.frag',
+  ['Sepia'] = 'shaders/sepia.frag',
+  ['Grayscale'] = 'shaders/grayscale.frag',
+  ['Pulse'] = 'shaders/pulse.frag',
+  ['Old Tv'] = 'shaders/oldtv.frag',
+  ['Fog'] = 'shaders/fog.frag',
+  ['Party'] = 'shaders/party.frag',
+  ['Radial Blur'] = 'shaders/radialblur.frag',
+  ['Zomg'] = 'shaders/zomg.frag',
+}
+
+local shadersPanel
+
+function Shaders.init()
+  importStyle 'shaders.otui'
+
+
+  Keyboard.bindKeyDown(HOTKEY, Shaders.toggle)
+
+  shadersPanel = createWidget('ShadersPanel', GameInterface.getMapPanel())
+  shadersPanel:hide()
+
+  local mapComboBox = shadersPanel:getChildById('mapComboBox')
+  mapComboBox.onOptionChange = function(combobox, option)
+    local map = GameInterface.getMapPanel()
+    map:setMapShader(g_shaders.getShader(option))
+    print(option)
+  end
+
+  for name,file in pairs(SHADERS) do
+    local shader = g_shaders.createFragmentShader(name, file)
+    mapComboBox:addOption(name)
+
+    if name == 'Fog' then
+      shader:addMultiTexture('images/clouds.png')
+    end
+  end
+
+  local map = GameInterface.getMapPanel()
+  map:setMapShader(g_shaders.getShader('Default'))
+end
+
+function Shaders.terminate()
+  Keyboard.unbindKeyDown(HOTKEY)
+  shadersPanel:destroy()
+  shadersPanel = nil
+end
+
+function Shaders.toggle()
+  shadersPanel:setVisible(not shadersPanel:isVisible())
+end

modules/game_shaders/shaders.otmod

@@ -0,0 +1,15 @@
+Module
+  name: game_shaders
+  description: Manage game shaders
+  author: edubart
+  website: www.otclient.info
+
+  dependencies:
+    - game
+
+  @onLoad: |
+    dofile 'shaders'
+    Shaders.init()
+
+  @onUnload: |
+    Shaders.terminate()

modules/game_shaders/shaders.otui

@@ -0,0 +1,15 @@
+ShadersPanel < UIWidget
+  focusable: false
+
+  anchors.top: parent.top
+  anchors.left: parent.left
+  border-color: red
+  border-width: 1
+
+  width: 100
+  layout:
+    type: verticalBox
+    fit-children: true
+
+  ComboBox
+    id: mapComboBox

modules/game_shaders/shaders/bloom.frag

@@ -0,0 +1,16 @@
+uniform float u_Time;
+uniform sampler2D u_Tex0;
+varying vec2 v_TexCoord;
+
+void main()
+{
+    vec4 color = texture2D(u_Tex0, v_TexCoord);
+    int j;
+    int i;
+
+    for(i = -2 ;i <= 2; i++)
+        for(j = -2; j <= 2; j++)
+            color += texture2D(u_Tex0, v_TexCoord + vec2(i, j)*0.0025) * 0.025;
+
+    gl_FragColor = color;
+}

modules/game_shaders/shaders/default.frag

@@ -0,0 +1,8 @@
+uniform float u_Time;
+uniform sampler2D u_Tex0;
+varying vec2 v_TexCoord;
+
+void main()
+{
+    gl_FragColor = texture2D(u_Tex0, v_TexCoord);
+}

modules/game_shaders/shaders/fog.frag

@@ -0,0 +1,18 @@
+uniform float u_Time;
+uniform sampler2D u_Tex0;
+uniform sampler2D u_Tex1;
+varying vec2 v_TexCoord;
+
+vec2 direction = vec2(1.0,0.3);
+float speed = 0.05;
+float pressure = 0.6;
+float zoom = 0.5;
+
+void main(void)
+{
+    vec2 offset = (v_TexCoord + (direction * u_Time * speed)) / zoom;
+    vec3 bgcol = texture2D(u_Tex0, v_TexCoord).xyz;
+    vec3 fogcol = texture2D(u_Tex1, offset).xyz;
+    vec3 col = bgcol + fogcol*pressure;
+    gl_FragColor = vec4(col,1.0);
+}

modules/game_shaders/shaders/grayscale.frag

@@ -0,0 +1,14 @@
+uniform float u_Time;
+uniform sampler2D u_Tex0;
+varying vec2 v_TexCoord;
+
+vec4 grayscale(vec4 color)
+{
+    float gray = dot(color.rgb, vec3(0.299, 0.587, 0.114));
+    return vec4(gray, gray, gray, 1);
+}
+
+void main()
+{
+    gl_FragColor = grayscale(texture2D(u_Tex0, v_TexCoord));
+}

modules/game_shaders/shaders/oldtv.frag

@@ -0,0 +1,24 @@
+uniform float u_Time;
+varying vec2 v_TexCoord;
+uniform sampler2D u_Tex0;
+
+void main(void)
+{
+    vec2 q = v_TexCoord;
+    vec2 uv = 0.5 + (q-0.5)*(0.9 + 0.1*sin(0.2*u_Time));
+
+    vec3 oricol = texture2D(u_Tex0,vec2(q.x,q.y)).xyz;
+    vec3 col = oricol;
+
+    col = clamp(col*0.5+0.5*col*col*1.2,0.0,1.0);
+
+    col *= 0.5 + 0.5*16.0*uv.x*uv.y*(1.0-uv.x)*(1.0-uv.y);
+
+    col *= vec3(0.8,1.0,0.7);
+
+    col *= 0.9+0.1*sin(10.0*u_Time+uv.y*1000.0);
+
+    col *= 0.97+0.03*sin(110.0*u_Time);
+
+    gl_FragColor = vec4(col,1.0);
+}

modules/game_shaders/shaders/party.frag

@@ -0,0 +1,13 @@
+uniform float u_Time;
+uniform sampler2D u_Tex0;
+varying vec2 v_TexCoord;
+
+void main()
+{
+    vec4 col = texture2D(u_Tex0, v_TexCoord);
+    float d = u_Time * 2;
+    col.x += (1.0 + sin(d))*0.25;
+    col.y += (1.0 + sin(d*2))*0.25;
+    col.z += (1.0 + sin(d*4))*0.25;
+    gl_FragColor = col;
+}

modules/game_shaders/shaders/pulse.frag

@@ -0,0 +1,19 @@
+uniform float u_Time;
+uniform vec2 u_Resolution;
+uniform sampler2D u_Tex0;
+varying vec2 v_TexCoord;
+
+void main(void)
+{
+    vec2 halfres = u_Resolution.xy/2.0;
+    vec2 cPos = v_TexCoord.xy * u_Resolution;
+
+    cPos.x -= 0.5*halfres.x*sin(u_Time/2.0)+0.3*halfres.x*cos(u_Time)+halfres.x;
+    cPos.y -= 0.4*halfres.y*sin(u_Time/5.0)+0.3*halfres.y*cos(u_Time)+halfres.y;
+    float cLength = length(cPos);
+
+    vec2 uv = v_TexCoord.xy+ ((cPos/cLength)*sin(cLength/30.0-u_Time*10.0)/25.0)*0.15;
+    vec3 col = texture2D(u_Tex0,uv).xyz * 250.0/cLength;
+
+    gl_FragColor = vec4(col,1.0);
+}

modules/game_shaders/shaders/radialblur.frag

@@ -0,0 +1,46 @@
+uniform sampler2D u_Tex0;
+varying vec2 v_TexCoord;
+
+// some const, tweak for best look
+const float sampleDist = 1.0;
+const float sampleStrength = 2.2;
+
+void main(void)
+{
+    // some sample positions
+    float samples[10] =
+    float[](-0.08,-0.05,-0.03,-0.02,-0.01,0.01,0.02,0.03,0.05,0.08);
+
+    // 0.5,0.5 is the center of the screen
+    // so substracting v_TexCoord from it will result in
+    // a vector pointing to the middle of the screen
+    vec2 dir = 0.5 - v_TexCoord;
+
+    // calculate the distance to the center of the screen
+    float dist = sqrt(dir.x*dir.x + dir.y*dir.y);
+
+    // normalize the direction (reuse the distance)
+    dir = dir/dist;
+
+    // this is the original colour of this fragment
+    // using only this would result in a nonblurred version
+    vec4 color = texture2D(u_Tex0,v_TexCoord);
+
+    vec4 sum = color;
+
+    // take 10 additional blur samples in the direction towards
+    // the center of the screen
+    for(int i = 0; i < 10; i++)
+        sum += texture2D(u_Tex0, v_TexCoord + dir * samples[i] * sampleDist);
+
+    // we have taken eleven samples
+    sum *= 1.0/11.0;
+
+    // weighten the blur effect with the distance to the
+    // center of the screen ( further out is blurred more)
+    float t = dist * sampleStrength;
+    t = clamp(t ,0.0,1.0); //0 &lt;= t &lt;= 1
+
+    //Blend the original color with the averaged pixels
+    gl_FragColor = mix(color, sum, t);
+} 

modules/game_shaders/shaders/sepia.frag

@@ -0,0 +1,16 @@
+uniform float u_Time;
+uniform sampler2D u_Tex0;
+varying vec2 v_TexCoord;
+
+vec4 sepia(vec4 color)
+{
+    return vec4(dot(color, vec4(.393, .769, .189, .0)),
+                dot(color, vec4(.349, .686, .168, .0)),
+                dot(color, vec4(.272, .534, .131, .0)),
+                1);
+}
+
+void main()
+{
+    gl_FragColor = sepia(texture2D(u_Tex0, v_TexCoord));
+}

modules/game_shaders/shaders/zomg.frag

@@ -0,0 +1,13 @@
+uniform sampler2D u_Tex0;
+uniform float u_Time;
+varying vec2 v_TexCoord;
+
+vec2 tibiaDir = vec2(1.0, 1.0);
+void main(void)
+{
+    vec2 dir = 0.5 - v_TexCoord;
+    float dist = sqrt(dir.x*dir.x + dir.y*dir.y);
+    float scale = 0.8 + dist*0.5;
+    vec4 color = texture2D(u_Tex0, -(dir*scale - 0.5));
+    gl_FragColor = color;
+}

src/framework/CMakeLists.txt

@@ -16,12 +16,17 @@ 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} ${CXX_WARNS} -std=gnu++0x -pipe")
+IF(CMAKE_SIZEOF_VOID_P EQUAL 8)
+    SET(ARCH_FLAGS "-m64 -march=x86-64 -mtune=generic")
+ELSE()
+    SET(ARCH_FLAGS "-m32 -march=i686 -mtune=generic")
+ENDIF()
+SET(WARNS_FLAGS "-Wall -Wextra -Werror -Wno-unused-parameter -Wno-unused-but-set-variable")
+SET(SECURE_FLAGS "-fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2")
+SET(CMAKE_CXX_FLAGS                   "${CMAKE_CXX_FLAGS} ${CXX_WARNS} ${SECURE_FLAGS} ${ARCH_FLAGS} -std=gnu++0x -pipe")
 SET(CMAKE_CXX_FLAGS_DEBUG             "-O0 -ggdb")
 SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO    "-O1 -ggdb -fno-omit-frame-pointer")
-SET(CMAKE_CXX_FLAGS_RELEASE           "-O3")
+SET(CMAKE_CXX_FLAGS_RELEASE           "-O2")
 
 SET(CMAKE_CXX_LINK_FLAGS              "${CMAKE_CXX_LINK_FLAGS} -static-libgcc -static-libstdc++ -Wl,--as-needed")
 
@@ -222,8 +227,6 @@ SET(framework_SOURCES ${framework_SOURCES}
     ${CMAKE_CURRENT_LIST_DIR}/graphics/painterogl2.cpp
     ${CMAKE_CURRENT_LIST_DIR}/graphics/painterogl2.h
     ${CMAKE_CURRENT_LIST_DIR}/graphics/painterogl2_shadersources.h
-    ${CMAKE_CURRENT_LIST_DIR}/graphics/paintershadermanager.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/graphics/paintershadermanager.h
     ${CMAKE_CURRENT_LIST_DIR}/graphics/paintershaderprogram.cpp
     ${CMAKE_CURRENT_LIST_DIR}/graphics/paintershaderprogram.h
     ${CMAKE_CURRENT_LIST_DIR}/graphics/particleaffector.cpp

src/framework/application.cpp

@@ -201,10 +201,8 @@ void Application::run()
             }
 
             if(redraw) {
-                g_graphics.beginRender();
-
                 if(cacheForeground) {
-                    Rect viewportRect(0, 0, g_graphics.getViewportSize());
+                    Rect viewportRect(0, 0, g_painter->getResolution());
 
                     // draw the foreground into a texture
                     if(updateForeground) {
@@ -236,8 +234,6 @@ void Application::run()
                     g_ui.render(Fw::BothPanes);
                 }
 
-                g_graphics.endRender();
-
                 // update screen pixels
                 g_window.swapBuffers();
             }

src/framework/graphics/font.cpp

@@ -68,7 +68,7 @@ void Font::load(const OTMLNodePtr& fontNode)
 
 void Font::drawText(const std::string& text, const Point& startPos)
 {
-    Size boxSize = g_graphics.getViewportSize() - startPos.toSize();
+    Size boxSize = g_painter->getResolution() - startPos.toSize();
     Rect screenCoords(startPos, boxSize);
     drawText(text, screenCoords, Fw::AlignTopLeft);
 }

src/framework/graphics/framebuffer.cpp

@@ -86,22 +86,13 @@ void FrameBuffer::resize(const Size& size)
 void FrameBuffer::bind()
 {
     g_painter->saveAndResetState();
-
     internalBind();
-
-    Matrix3 projectionMatrix = { 2.0f/m_texture->getWidth(),  0.0f,                         0.0f,
-                                 0.0f,                       -2.0f/m_texture->getHeight(),  0.0f,
-                                -1.0f,                        1.0f,                         1.0f };
-    g_painter->setProjectionMatrix(projectionMatrix);
-
-    m_oldViewportSize = g_graphics.getViewportSize();
-    g_graphics.setViewportSize(m_texture->getSize());
+    g_painter->setResolution(m_texture->getSize());
 }
 
 void FrameBuffer::release()
 {
     internalRelease();
-    g_graphics.setViewportSize(m_oldViewportSize);
     g_painter->restoreSavedState();
 }
 

src/framework/graphics/graphics.cpp

@@ -195,51 +195,18 @@ bool Graphics::selectPainterEngine(PainterEngine painterEngine)
 
 void Graphics::resize(const Size& size)
 {
-    setViewportSize(size);
-
-    // The projection matrix converts from Painter's coordinate system to GL's coordinate system
-    //    * GL's viewport is 2x2, Painter's is width x height
-    //    * GL has +y -> -y going from bottom -> top, Painter is the other way round
-    //    * GL has [0,0] in the center, Painter has it in the top-left
-    //
-    // This results in the Projection matrix below.
-    //
-    //                                    Projection Matrix
-    //   Painter Coord     ------------------------------------------------        GL Coord
-    //   -------------     | 2.0 / width  |      0.0      |      0.0      |     ---------------
-    //   |  x  y  1  |  *  |     0.0      | -2.0 / height |      0.0      |  =  |  x'  y'  1  |
-    //   -------------     |    -1.0      |      1.0      |      1.0      |     ---------------
-    //                     ------------------------------------------------
-    Matrix3 projectionMatrix = { 2.0f/size.width(),  0.0f,                 0.0f,
-                                 0.0f,              -2.0f/size.height(),   0.0f,
-                                -1.0f,               1.0f,                 1.0f };
-
+    m_viewportSize = size;
 #ifdef PAINTER_OGL1
     if(g_painterOGL1)
-        g_painterOGL1->setProjectionMatrix(projectionMatrix);
+        g_painterOGL1->setResolution(size);
 #endif
 
 #ifdef PAINTER_OGL2
     if(g_painterOGL2)
-        g_painterOGL2->setProjectionMatrix(projectionMatrix);
+        g_painterOGL2->setResolution(size);
 #endif
 }
 
-void Graphics::beginRender()
-{
-    //g_painter->clear(Color::black);
-}
-
-void Graphics::endRender()
-{
-}
-
-void Graphics::setViewportSize(const Size& size)
-{
-    glViewport(0, 0, size.width(), size.height());
-    m_viewportSize = size;
-}
-
 bool Graphics::canUseDrawArrays()
 {
 #ifdef OPENGL_ES

src/framework/graphics/graphics.h

@@ -46,8 +46,6 @@ public:
     PainterEngine getPainterEngine() { return m_selectedPainterEngine; }
 
     void resize(const Size& size);
-    void beginRender();
-    void endRender();
 
     void setViewportSize(const Size& size);
 

src/framework/graphics/painter.cpp

@@ -54,6 +54,7 @@ void Painter::refreshState()
     updateGlClipRect();
     updateGlTexture();
     updateGlAlphaWriting();
+    updateGlViewport();
 }
 
 void Painter::saveState()
@@ -68,6 +69,7 @@ void Painter::saveState()
     m_olderStates[m_oldStateIndex].shaderProgram = m_shaderProgram;
     m_olderStates[m_oldStateIndex].texture = m_texture;
     m_olderStates[m_oldStateIndex].alphaWriting = m_alphaWriting;
+    m_olderStates[m_oldStateIndex].resolution = m_resolution;
     m_oldStateIndex++;
 }
 
@@ -88,6 +90,7 @@ void Painter::restoreSavedState()
     setClipRect(m_olderStates[m_oldStateIndex].clipRect);
     setShaderProgram(m_olderStates[m_oldStateIndex].shaderProgram);
     setTexture(m_olderStates[m_oldStateIndex].texture);
+    setResolution(m_olderStates[m_oldStateIndex].resolution);
 }
 
 void Painter::clear(const Color& color)
@@ -150,6 +153,36 @@ void Painter::setAlphaWriting(bool enable)
     updateGlAlphaWriting();
 }
 
+void Painter::setResolution(const Size& resolution)
+{
+    if(m_resolution == resolution)
+        return;
+
+
+    // The projection matrix converts from Painter's coordinate system to GL's coordinate system
+    //    * GL's viewport is 2x2, Painter's is width x height
+    //    * GL has +y -> -y going from bottom -> top, Painter is the other way round
+    //    * GL has [0,0] in the center, Painter has it in the top-left
+    //
+    // This results in the Projection matrix below.
+    //
+    //                                    Projection Matrix
+    //   Painter Coord     ------------------------------------------------        GL Coord
+    //   -------------     | 2.0 / width  |      0.0      |      0.0      |     ---------------
+    //   |  x  y  1  |  *  |     0.0      | -2.0 / height |      0.0      |  =  |  x'  y'  1  |
+    //   -------------     |    -1.0      |      1.0      |      1.0      |     ---------------
+
+    Matrix3 projectionMatrix = { 2.0f/resolution.width(),  0.0f,                      0.0f,
+                                 0.0f,                    -2.0f/resolution.height(),  0.0f,
+                                -1.0f,                     1.0f,                      1.0f };
+
+    m_resolution = resolution;
+
+    setProjectionMatrix(projectionMatrix);
+    if(g_painter == this)
+        updateGlViewport();
+}
+
 void Painter::updateGlTexture()
 {
     if(m_glTextureId != 0)
@@ -184,7 +217,7 @@ void Painter::updateGlClipRect()
 {
     if(m_clipRect.isValid()) {
         glEnable(GL_SCISSOR_TEST);
-        glScissor(m_clipRect.left(), g_graphics.getViewportSize().height() - m_clipRect.bottom() - 1, m_clipRect.width(), m_clipRect.height());
+        glScissor(m_clipRect.left(), m_resolution.height() - m_clipRect.bottom() - 1, m_clipRect.width(), m_clipRect.height());
     } else {
         glDisable(GL_SCISSOR_TEST);
     }
@@ -197,3 +230,8 @@ void Painter::updateGlAlphaWriting()
     else
         glColorMask(1,1,1,0);
 }
+
+void Painter::updateGlViewport()
+{
+    glViewport(0, 0, m_resolution.width(), m_resolution.height());
+}

src/framework/graphics/painter.h

@@ -53,6 +53,7 @@ public:
         Texture *texture;
         PainterShaderProgram *shaderProgram;
         bool alphaWriting;
+        Size resolution;
     };
 
     Painter();
@@ -91,6 +92,7 @@ public:
 
     void setShaderProgram(const PainterShaderProgramPtr& shaderProgram) { setShaderProgram(shaderProgram.get()); }
     void setTexture(const TexturePtr& texture) { setTexture(texture.get()); }
+    void setResolution(const Size& resolution);
 
     Matrix3 getProjectionMatrix() { return m_projectionMatrix; }
     Matrix3 getTextureMatrix() { return m_textureMatrix; }
@@ -100,6 +102,7 @@ public:
     Rect getClipRect() { return m_clipRect; }
     PainterShaderProgram *getShaderProgram() { return m_shaderProgram; }
     bool getAlphaWriting() { return m_alphaWriting; }
+    Size getResolution() { return m_resolution; };
 
     void resetColor() { setColor(Color::white); }
     void resetOpacity() { setOpacity(1.0f); }
@@ -109,11 +112,14 @@ public:
     void resetTexture() { setTexture(nullptr); }
     void resetAlphaWriting() { setAlphaWriting(false); }
 
+    virtual bool hasShaders() = 0;
+
 protected:
     void updateGlTexture();
     void updateGlCompositionMode();
     void updateGlClipRect();
     void updateGlAlphaWriting();
+    void updateGlViewport();
 
     CoordsBuffer m_coordsBuffer;
 
@@ -126,6 +132,7 @@ protected:
     Texture *m_texture;
     PainterShaderProgram *m_shaderProgram;
     bool m_alphaWriting;
+    Size m_resolution;
 
     PainterState m_olderStates[10];
     int m_oldStateIndex;

src/framework/graphics/painterogl1.h

@@ -62,6 +62,8 @@ public:
     void setColor(const Color& color);
     void setOpacity(float opacity);
 
+    bool hasShaders() { return false; }
+
 private:
     void updateGlColor();
     void updateGlMatrixMode();

src/framework/graphics/painterogl2.cpp

@@ -22,7 +22,9 @@
 
 #include "painterogl2.h"
 #include "texture.h"
-#include "paintershadermanager.h"
+#include "graphics.h"
+#include "painterogl2_shadersources.h"
+#include <framework/platform/platformwindow.h>
 
 PainterOGL2 *g_painterOGL2 = nullptr;
 
@@ -31,12 +33,25 @@ PainterOGL2::PainterOGL2()
     m_drawProgram = nullptr;
     resetState();
 
-    g_shaders.init();
+    m_drawTexturedProgram = PainterShaderProgramPtr(new PainterShaderProgram);
+    assert(m_drawTexturedProgram);
+    m_drawTexturedProgram->addShaderFromSourceCode(Shader::Vertex, glslMainWithTexCoordsVertexShader + glslPositionOnlyVertexShader);
+    m_drawTexturedProgram->addShaderFromSourceCode(Shader::Fragment, glslMainFragmentShader + glslTextureSrcFragmentShader);
+    m_drawTexturedProgram->link();
+
+    m_drawSolidColorProgram = PainterShaderProgramPtr(new PainterShaderProgram);
+    assert(m_drawSolidColorProgram);
+    m_drawSolidColorProgram->addShaderFromSourceCode(Shader::Vertex, glslMainVertexShader + glslPositionOnlyVertexShader);
+    m_drawSolidColorProgram->addShaderFromSourceCode(Shader::Fragment, glslMainFragmentShader + glslSolidColorFragmentShader);
+    m_drawSolidColorProgram->link();
+
+    PainterShaderProgram::release();
 }
 
 PainterOGL2::~PainterOGL2()
 {
-    g_shaders.terminate();
+    m_drawTexturedProgram = nullptr;
+    m_drawSolidColorProgram = nullptr;
 }
 
 void PainterOGL2::bind()
@@ -71,10 +86,13 @@ void PainterOGL2::drawCoords(CoordsBuffer& coordsBuffer, DrawMode drawMode)
     // update shader with the current painter state
     m_drawProgram->bind();
     m_drawProgram->setProjectionMatrix(m_projectionMatrix);
-    if(textured)
+    if(textured) {
         m_drawProgram->setTextureMatrix(m_textureMatrix);
+        m_drawProgram->bindMultiTextures();
+    }
     m_drawProgram->setOpacity(m_opacity);
     m_drawProgram->setColor(m_color);
+    m_drawProgram->setResolution(m_resolution);
     m_drawProgram->updateTime();
 
     // update coords buffer hardware caches if enabled
@@ -107,7 +125,7 @@ void PainterOGL2::drawTextureCoords(CoordsBuffer& coordsBuffer, const TexturePtr
     if(texture->isEmpty())
         return;
 
-    setDrawProgram(m_shaderProgram ? m_shaderProgram : g_shaders.getDrawTexturedProgram().get());
+    setDrawProgram(m_shaderProgram ? m_shaderProgram : m_drawTexturedProgram.get());
     setTexture(texture);
     drawCoords(coordsBuffer);
 }
@@ -117,7 +135,7 @@ void PainterOGL2::drawTexturedRect(const Rect& dest, const TexturePtr& texture,
     if(dest.isEmpty() || src.isEmpty() || texture->isEmpty())
         return;
 
-    setDrawProgram(m_shaderProgram ? m_shaderProgram : g_shaders.getDrawTexturedProgram().get());
+    setDrawProgram(m_shaderProgram ? m_shaderProgram : m_drawTexturedProgram.get());
     setTexture(texture);
 
     m_coordsBuffer.clear();
@@ -130,7 +148,7 @@ void PainterOGL2::drawRepeatedTexturedRect(const Rect& dest, const TexturePtr& t
     if(dest.isEmpty() || src.isEmpty() || texture->isEmpty())
         return;
 
-    setDrawProgram(m_shaderProgram ? m_shaderProgram : g_shaders.getDrawTexturedProgram().get());
+    setDrawProgram(m_shaderProgram ? m_shaderProgram : m_drawTexturedProgram.get());
     setTexture(texture);
 
     m_coordsBuffer.clear();
@@ -143,7 +161,7 @@ void PainterOGL2::drawFilledRect(const Rect& dest)
     if(dest.isEmpty())
         return;
 
-    setDrawProgram(m_shaderProgram ? m_shaderProgram : g_shaders.getDrawSolidColorProgram().get());
+    setDrawProgram(m_shaderProgram ? m_shaderProgram : m_drawSolidColorProgram.get());
 
     m_coordsBuffer.clear();
     m_coordsBuffer.addRect(dest);
@@ -155,7 +173,7 @@ void PainterOGL2::drawFilledTriangle(const Point& a, const Point& b, const Point
     if(a == b || a == c || b == c)
         return;
 
-    setDrawProgram(m_shaderProgram ? m_shaderProgram : g_shaders.getDrawSolidColorProgram().get());
+    setDrawProgram(m_shaderProgram ? m_shaderProgram : m_drawSolidColorProgram.get());
 
     m_coordsBuffer.clear();
     m_coordsBuffer.addTriangle(a, b, c);
@@ -167,7 +185,7 @@ void PainterOGL2::drawBoundingRect(const Rect& dest, int innerLineWidth)
     if(dest.isEmpty() || innerLineWidth == 0)
         return;
 
-    setDrawProgram(m_shaderProgram ? m_shaderProgram : g_shaders.getDrawSolidColorProgram().get());
+    setDrawProgram(m_shaderProgram ? m_shaderProgram : m_drawSolidColorProgram.get());
 
     m_coordsBuffer.clear();
     m_coordsBuffer.addBoudingRect(dest, innerLineWidth);

src/framework/graphics/painterogl2.h

@@ -51,8 +51,12 @@ public:
 
     void setDrawProgram(PainterShaderProgram *drawProgram) { m_drawProgram = drawProgram; }
 
+    bool hasShaders() { return true; }
+
 private:
     PainterShaderProgram *m_drawProgram;
+    PainterShaderProgramPtr m_drawTexturedProgram;
+    PainterShaderProgramPtr m_drawSolidColorProgram;
 };
 
 extern PainterOGL2 *g_painterOGL2;

src/framework/graphics/painterogl2_shadersources.h

@@ -27,42 +27,42 @@ static const std::string glslMainVertexShader = "\n\
     }\n";
 
 static const std::string glslMainWithTexCoordsVertexShader = "\n\
-    attribute highp vec2 a_texCoord;\n\
-    uniform highp mat3 textureMatrix;\n\
-    varying highp vec2 texCoord;\n\
+    attribute highp vec2 a_TexCoord;\n\
+    uniform highp mat3 u_TextureMatrix;\n\
+    varying highp vec2 v_TexCoord;\n\
     highp vec4 calculatePosition();\n\
     void main()\n\
     {\n\
         gl_Position = calculatePosition();\n\
-        texCoord = (textureMatrix * vec3(a_texCoord,1)).xy;\n\
+        v_TexCoord = (u_TextureMatrix * vec3(a_TexCoord,1)).xy;\n\
     }\n";
 
 static std::string glslPositionOnlyVertexShader = "\n\
-    attribute highp vec2 a_vertex;\n\
-    uniform highp mat3 projectionMatrix;\n\
+    attribute highp vec2 a_Vertex;\n\
+    uniform highp mat3 u_ProjectionMatrix;\n\
     highp vec4 calculatePosition() {\n\
-        return vec4(projectionMatrix * vec3(a_vertex.xy, 1), 1);\n\
+        return vec4(u_ProjectionMatrix * vec3(a_Vertex.xy, 1), 1);\n\
     }\n";
 
 static const std::string glslMainFragmentShader = "\n\
-    uniform lowp float opacity;\n\
+    uniform lowp float u_Opacity;\n\
     lowp vec4 calculatePixel();\n\
     void main()\n\
     {\n\
         gl_FragColor = calculatePixel();\n\
-        gl_FragColor.a *= opacity;\n\
+        gl_FragColor.a *= u_Opacity;\n\
     }\n";
 
 static const std::string glslTextureSrcFragmentShader = "\n\
-    varying mediump vec2 texCoord;\n\
-    uniform lowp vec4 color;\n\
-    uniform sampler2D tex0;\n\
+    varying mediump vec2 v_TexCoord;\n\
+    uniform lowp vec4 u_Color;\n\
+    uniform sampler2D u_Tex0;\n\
     lowp vec4 calculatePixel() {\n\
-        return texture2D(tex0, texCoord) * color;\n\
+        return texture2D(u_Tex0, v_TexCoord) * u_Color;\n\
     }\n";
 
 static const std::string glslSolidColorFragmentShader = "\n\
-    uniform lowp vec4 color;\n\
+    uniform lowp vec4 u_Color;\n\
     lowp vec4 calculatePixel() {\n\
-        return color;\n\
+        return u_Color;\n\
     }\n";

src/framework/graphics/paintershadermanager.cpp

@@ -1,76 +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.
- */
-
-#include "paintershadermanager.h"
-#include "painterogl2.h"
-#include "texture.h"
-#include "painterogl2_shadersources.h"
-#include "paintershaderprogram.h"
-#include "shaderprogram.h"
-#include "graphics.h"
-
-PainterShaderManager g_shaders;
-
-void PainterShaderManager::init()
-{
-    m_drawTexturedProgram = createShader();
-    assert(m_drawTexturedProgram);
-    m_drawTexturedProgram->addShaderFromSourceCode(Shader::Vertex, glslMainWithTexCoordsVertexShader + glslPositionOnlyVertexShader);
-    m_drawTexturedProgram->addShaderFromSourceCode(Shader::Fragment, glslMainFragmentShader + glslTextureSrcFragmentShader);
-    m_drawTexturedProgram->link();
-
-    m_drawSolidColorProgram = createShader();
-    assert(m_drawSolidColorProgram);
-    m_drawSolidColorProgram->addShaderFromSourceCode(Shader::Vertex, glslMainVertexShader + glslPositionOnlyVertexShader);
-    m_drawSolidColorProgram->addShaderFromSourceCode(Shader::Fragment, glslMainFragmentShader + glslSolidColorFragmentShader);
-    m_drawSolidColorProgram->link();
-
-    PainterShaderProgram::release();
-}
-
-void PainterShaderManager::terminate()
-{
-    m_drawTexturedProgram = nullptr;
-    m_drawSolidColorProgram = nullptr;
-}
-
-PainterShaderProgramPtr PainterShaderManager::createShader()
-{
-    if(!g_graphics.canUseShaders())
-        return nullptr;
-    return PainterShaderProgramPtr(new PainterShaderProgram);
-}
-
-PainterShaderProgramPtr PainterShaderManager::createTexturedFragmentShader(const std::string& shaderFile)
-{
-    PainterShaderProgramPtr shader = createShader();
-    if(!shader)
-        return nullptr;
-
-    shader->addShaderFromSourceCode(Shader::Vertex, glslMainWithTexCoordsVertexShader + glslPositionOnlyVertexShader);
-    shader->addShaderFromSourceFile(Shader::Fragment, shaderFile);
-
-    if(!shader->link())
-        return nullptr;
-
-    return shader;
-}

src/framework/graphics/paintershaderprogram.cpp

@@ -24,7 +24,9 @@
 #include "painter.h"
 #include "texture.h"
 #include "texturemanager.h"
+#include "graphics.h"
 #include <framework/core/clock.h>
+#include <framework/platform/platformwindow.h>
 
 PainterShaderProgram::PainterShaderProgram()
 {
@@ -34,28 +36,35 @@ PainterShaderProgram::PainterShaderProgram()
     m_time = 0;
 }
 
+void PainterShaderProgram::setupUniforms()
+{
+    bindUniformLocation(PROJECTION_MATRIX_UNIFORM, "u_ProjectionMatrix");
+    bindUniformLocation(TEXTURE_MATRIX_UNIFORM, "u_TextureMatrix");
+    bindUniformLocation(COLOR_UNIFORM, "u_Color");
+    bindUniformLocation(OPACITY_UNIFORM, "u_Opacity");
+    bindUniformLocation(TIME_UNIFORM, "u_Time");
+    bindUniformLocation(TEX0_UNIFORM, "u_Tex0");
+    bindUniformLocation(TEX1_UNIFORM, "u_Tex1");
+    bindUniformLocation(RESOLUTION_UNIFORM, "u_Resolution");
+
+    setUniformValue(PROJECTION_MATRIX_UNIFORM, m_projectionMatrix);
+    setUniformValue(TEXTURE_MATRIX_UNIFORM, m_textureMatrix);
+    setUniformValue(COLOR_UNIFORM, m_color);
+    setUniformValue(OPACITY_UNIFORM, m_opacity);
+    setUniformValue(TIME_UNIFORM, m_time);
+    setUniformValue(TEX0_UNIFORM, 0);
+    setUniformValue(TEX1_UNIFORM, 1);
+    setUniformValue(RESOLUTION_UNIFORM, (float)m_resolution.width(), (float)m_resolution.height());
+}
+
 bool PainterShaderProgram::link()
 {
     m_startTime = g_clock.seconds();
-    bindAttributeLocation(VERTEX_ATTR, "a_vertex");
-    bindAttributeLocation(TEXCOORD_ATTR, "a_texCoord");
+    bindAttributeLocation(VERTEX_ATTR, "a_Vertex");
+    bindAttributeLocation(TEXCOORD_ATTR, "a_TexCoord");
     if(ShaderProgram::link()) {
-        bindUniformLocation(PROJECTION_MATRIX_UNIFORM, "projectionMatrix");
-        bindUniformLocation(TEXTURE_MATRIX_UNIFORM, "textureMatrix");
-        bindUniformLocation(COLOR_UNIFORM, "color");
-        bindUniformLocation(OPACITY_UNIFORM, "opacity");
-        bindUniformLocation(TIME_UNIFORM, "time");
-        bindUniformLocation(TEX0_UNIFORM, "tex0");
-        bindUniformLocation(TEX1_UNIFORM, "tex1");
-
         bind();
-        setUniformValue(PROJECTION_MATRIX_UNIFORM, m_projectionMatrix);
-        setUniformValue(TEXTURE_MATRIX_UNIFORM, m_textureMatrix);
-        setUniformValue(COLOR_UNIFORM, m_color);
-        setUniformValue(OPACITY_UNIFORM, m_opacity);
-        setUniformValue(TIME_UNIFORM, m_time);
-        setUniformValue(TEX0_UNIFORM, 0);
-        setUniformValue(TEX1_UNIFORM, 1);
+        setupUniforms();
         release();
         return true;
     }
@@ -102,6 +111,16 @@ void PainterShaderProgram::setOpacity(float opacity)
     m_opacity = opacity;
 }
 
+void PainterShaderProgram::setResolution(const Size& resolution)
+{
+    if(m_resolution == resolution)
+        return;
+
+    bind();
+    setUniformValue(RESOLUTION_UNIFORM, (float)resolution.width(), (float)resolution.height());
+    m_resolution = resolution;
+}
+
 void PainterShaderProgram::updateTime()
 {
     float time = g_clock.seconds() - m_startTime;
@@ -112,3 +131,32 @@ void PainterShaderProgram::updateTime()
     setUniformValue(TIME_UNIFORM, time);
     m_time = time;
 }
+
+void PainterShaderProgram::addMultiTexture(const std::string& file)
+{
+    if(m_multiTextures.size() > 3)
+        g_logger.error("cannot add more multi textures to shader, the max is 3");
+
+    TexturePtr texture = g_textures.getTexture(file);
+    if(!texture)
+        return;
+
+    texture->setSmooth(true);
+    texture->setRepeat(true);
+
+    m_multiTextures.push_back(texture);
+}
+
+void PainterShaderProgram::bindMultiTextures()
+{
+    if(m_multiTextures.size() == 0)
+        return;
+
+    int i=1;
+    for(const TexturePtr& tex : m_multiTextures) {
+        glActiveTexture(GL_TEXTURE0 + 1);
+        glBindTexture(GL_TEXTURE_2D, tex->getId());
+    }
+
+    glActiveTexture(GL_TEXTURE0);
+}

src/framework/graphics/paintershaderprogram.h

@@ -40,12 +40,13 @@ protected:
         TIME_UNIFORM = 4,
         TEX0_UNIFORM = 5,
         TEX1_UNIFORM = 6,
-        //TEX2_UNIFORM = 7,
-        //TEX3_UNIFORM = 8,
+        RESOLUTION_UNIFORM = 7,
     };
 
     friend class PainterOGL2;
 
+    virtual void setupUniforms();
+
 public:
     PainterShaderProgram();
 
@@ -55,8 +56,12 @@ public:
     void setTextureMatrix(const Matrix3& textureMatrix);
     void setColor(const Color& color);
     void setOpacity(float opacity);
+    void setResolution(const Size& resolution);
     void updateTime();
 
+    void addMultiTexture(const std::string& file);
+    void bindMultiTextures();
+
 private:
     float m_startTime;
 
@@ -64,7 +69,9 @@ private:
     float m_opacity;
     Matrix3 m_projectionMatrix;
     Matrix3 m_textureMatrix;
+    Size m_resolution;
     float m_time;
+    std::vector<TexturePtr> m_multiTextures;
 };
 
 #endif

src/framework/graphics/shader.cpp

@@ -72,8 +72,12 @@ bool Shader::compileSourceCode(const std::string& sourceCode)
 
 bool Shader::compileSourceFile(const std::string& sourceFile)
 {
-    std::string sourceCode = g_resources.loadFile(sourceFile);
-    return compileSourceCode(sourceCode);
+    try {
+        std::string sourceCode = g_resources.loadFile(sourceFile);
+        return compileSourceCode(sourceCode);
+    } catch(stdext::exception& e) {
+        g_logger.error(stdext::format("unable to load shader source form file: %s", sourceFile));
+    }
 }
 
 std::string Shader::log()

src/framework/graphics/shaderprogram.h

@@ -24,12 +24,14 @@
 #define SHADERPROGRAM_H
 
 #include "shader.h"
+#include <framework/luascript/luaobject.h>
 
-class ShaderProgram
+class ShaderProgram : public LuaObject
 {
     enum {
         MAX_UNIFORM_LOCATIONS = 30
     };
+
 public:
     ShaderProgram();
     ~ShaderProgram();

src/framework/graphics/texture.cpp

@@ -124,6 +124,16 @@ void Texture::setSmooth(bool smooth)
     setupFilters();
 }
 
+void Texture::setRepeat(bool repeat)
+{
+    if(m_repeat == repeat)
+        return;
+
+    m_repeat = repeat;
+    bind();
+    setupWrap();
+}
+
 void Texture::setUpsideDown(bool upsideDown)
 {
     if(m_upsideDown == upsideDown)
@@ -163,9 +173,11 @@ bool Texture::setupSize(const Size& size, bool forcePowerOfTwo)
 
 void Texture::setupWrap()
 {
-    GLint texParam = GL_REPEAT;
-    if(g_graphics.canUseClampToEdge())
-        texParam = GL_CLAMP_TO_EDGE; // disable texture borders by default
+    GLint texParam;
+    if(!m_repeat && g_graphics.canUseClampToEdge())
+        texParam = GL_CLAMP_TO_EDGE;
+    else
+        texParam = GL_REPEAT;
 
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, texParam);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, texParam);

src/framework/graphics/texture.h

@@ -38,6 +38,7 @@ public:
     bool buildHardwareMipmaps();
 
     void setSmooth(bool smooth);
+    void setRepeat(bool repeat);
     void setUpsideDown(bool upsideDown);
 
     GLuint getId()  { return m_id; }
@@ -47,6 +48,7 @@ public:
     const Size& getGlSize() { return m_glSize; }
     const Matrix3& getTransformMatrix() { return m_transformMatrix; }
     bool isEmpty() { return m_id == 0; }
+    bool hasRepeat() { return m_repeat; }
     bool hasMipmaps() { return m_hasMipmaps; }
 
 protected:
@@ -64,6 +66,7 @@ protected:
     Boolean<false> m_hasMipmaps;
     Boolean<false> m_smooth;
     Boolean<false> m_upsideDown;
+    Boolean<false> m_repeat;
 };
 
 #endif

src/framework/luafunctions.cpp

@@ -473,6 +473,10 @@ void Application::registerLuaFunctions()
     g_lua.bindClassMemberFunction<OutputMessage>("encryptRSA", &OutputMessage::encryptRSA);
     g_lua.bindClassMemberFunction<OutputMessage>("getMessageSize", &OutputMessage::getMessageSize);
 
+    g_lua.registerClass<ShaderProgram>();
+    g_lua.registerClass<PainterShaderProgram>();
+    g_lua.bindClassMemberFunction<PainterShaderProgram>("addMultiTexture", &PainterShaderProgram::addMultiTexture);
+
     // Application
     g_lua.registerStaticClass("g_app");
     g_lua.bindClassStaticFunction("g_app", "exit", std::bind(&Application::exit, g_app));

src/otclient/CMakeLists.txt

@@ -44,8 +44,8 @@ SET(otclient_SOURCES ${otclient_SOURCES}
     ${CMAKE_CURRENT_LIST_DIR}/core/effect.h
     ${CMAKE_CURRENT_LIST_DIR}/core/game.cpp
     ${CMAKE_CURRENT_LIST_DIR}/core/game.h
-    ${CMAKE_CURRENT_LIST_DIR}/core/gameshadermanager.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/core/gameshadermanager.h
+    ${CMAKE_CURRENT_LIST_DIR}/core/shadermanager.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/core/shadermanager.h
     ${CMAKE_CURRENT_LIST_DIR}/core/item.cpp
     ${CMAKE_CURRENT_LIST_DIR}/core/item.h
     ${CMAKE_CURRENT_LIST_DIR}/core/localplayer.cpp

src/otclient/core/declarations.h

@@ -43,6 +43,7 @@ class AnimatedText;
 class StaticText;
 class ThingType;
 class ThingsType;
+class ItemShader;
 
 typedef std::shared_ptr<MapView> MapViewPtr;
 typedef std::shared_ptr<Tile> TilePtr;
@@ -58,6 +59,7 @@ typedef std::shared_ptr<Effect> EffectPtr;
 typedef std::shared_ptr<Missile> MissilePtr;
 typedef std::shared_ptr<AnimatedText> AnimatedTextPtr;
 typedef std::shared_ptr<StaticText> StaticTextPtr;
+typedef std::shared_ptr<ItemShader> ItemShaderPtr;
 
 typedef std::vector<ThingPtr> ThingList;
 

src/otclient/core/gameshadermanager.cpp

@@ -1,24 +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.
- */
-
-#include "gameshadermanager.h"
-

src/otclient/core/gameshadermanager.h

@@ -1,30 +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.
- */
-
-#ifndef GAMESHADERMANAGER_H
-#define GAMESHADERMANAGER_H
-
-class GameShaderManager
-{
-};
-
-#endif

src/otclient/core/item.cpp

@@ -25,16 +25,16 @@
 #include "spritemanager.h"
 #include "thing.h"
 #include "tile.h"
+#include "shadermanager.h"
 #include <framework/core/clock.h>
 #include <framework/core/eventdispatcher.h>
 #include <framework/graphics/graphics.h>
-#include <framework/graphics/paintershaderprogram.h>
-#include <framework/graphics/painterogl2_shadersources.h>
 
 Item::Item() : Thing()
 {
     m_id = 0;
     m_countOrSubType = 1;
+    m_shaderProgram = g_shaders.getDefaultItemShader();
 }
 
 ItemPtr Item::create(int id)
@@ -48,10 +48,6 @@ ItemPtr Item::create(int id)
     return item;
 }
 
-/*
-PainterShaderProgramPtr itemProgram;
-int ITEM_ID_UNIFORM = 10;
-*/
 void Item::draw(const Point& dest, float scaleFactor, bool animate)
 {
     if(m_id == 0)
@@ -166,25 +162,18 @@ void Item::draw(const Point& dest, float scaleFactor, bool animate)
         zPattern = m_position.z % getNumPatternsZ();
     }
 
-    // setup item drawing shader
-    /*
-    if(!itemProgram) {
-        itemProgram = PainterShaderProgramPtr(new PainterShaderProgram);
-        itemProgram->addShaderFromSourceCode(Shader::Vertex, glslMainWithTexCoordsVertexShader + glslPositionOnlyVertexShader);
-        itemProgram->addShaderFromSourceFile(Shader::Fragment, "/game_shaders/item.frag");
-        itemProgram->link();
-        itemProgram->bindUniformLocation(ITEM_ID_UNIFORM, "itemId");
-    }
-    g_painter->setShaderProgram(itemProgram);
-    //itemProgram->bind();
-    //itemProgram->setUniformValue(ITEM_ID_UNIFORM, (int)m_id);
-    */
+    bool useShader = g_painter->hasShaders() && m_shaderProgram;
+    if(useShader) {
+        m_shaderProgram->bind();
+        m_shaderProgram->setUniformValue(ShaderManager::ITEM_ID_UNIFORM, (int)m_id);
+
+        g_painter->setShaderProgram(m_shaderProgram);
+    }
 
-    // now we can draw the item
     m_type->draw(dest, scaleFactor, 0, xPattern, yPattern, zPattern, animationPhase);
 
-    // release draw shader
-    //g_painter->resetShaderProgram();
+    if(useShader)
+        g_painter->resetShaderProgram();
 }
 
 void Item::setId(uint32 id)

src/otclient/core/item.h

@@ -51,6 +51,7 @@ public:
 private:
     uint16 m_id;
     uint8 m_countOrSubType;
+    PainterShaderProgramPtr m_shaderProgram;
 };
 
 #endif

src/otclient/core/mapview.cpp

@@ -24,13 +24,13 @@
 
 #include <framework/graphics/graphics.h>
 #include <framework/graphics/framebuffer.h>
-#include <framework/graphics/paintershadermanager.h>
 #include "creature.h"
 #include "map.h"
 #include "tile.h"
 #include "statictext.h"
 #include "animatedtext.h"
 #include "missile.h"
+#include "shadermanager.h"
 #include <framework/core/eventdispatcher.h>
 
 MapView::MapView()
@@ -44,7 +44,7 @@ MapView::MapView()
     m_framebuffer = FrameBufferPtr(new FrameBuffer());
     setVisibleDimension(Size(15, 11));
 
-    m_shaderProgram = g_shaders.createTexturedFragmentShader("/game_shaders/map.frag");
+    m_shader = g_shaders.getDefaultMapShader();
 }
 
 void MapView::draw(const Rect& rect)
@@ -109,12 +109,11 @@ void MapView::draw(const Rect& rect)
         m_framebuffer->release();
 
         // generating mipmaps each frame can be slow in older cards
-        //m_framebuffer->getTexture()->generateHardwareMipmaps();
+        //m_framebuffer->getTexture()->buildHardwareMipmaps();
 
         m_mustDrawVisibleTilesCache = false;
     }
 
-    //g_painter->setShaderProgram(m_shaderProgram);
 
     Point drawOffset = ((m_drawDimension - m_visibleDimension - Size(1,1)).toPoint()/2) * m_tileSize;
     if(m_followingCreature)
@@ -129,6 +128,7 @@ void MapView::draw(const Rect& rect)
 
     g_painter->setColor(Color::white);
     glDisable(GL_BLEND);
+    g_painter->setShaderProgram(m_shader);
 #if 0
     // debug source area
     g_painter->saveAndResetState();
@@ -141,9 +141,9 @@ void MapView::draw(const Rect& rect)
 #else
     m_framebuffer->draw(rect, srcRect);
 #endif
+    g_painter->resetShaderProgram();
     glEnable(GL_BLEND);
 
-    //g_painter->resetShaderProgram();
 
     // this could happen if the player position is not known yet
     if(!cameraPosition.isValid())

src/otclient/core/mapview.h

@@ -103,6 +103,9 @@ public:
     void setAnimated(bool animated) { m_animated = animated; requestVisibleTilesCacheUpdate(); }
     bool isAnimating() { return m_animated; }
 
+    void setShader(const PainterShaderProgramPtr& shader) { m_shader = shader; }
+    PainterShaderProgramPtr getShader() { return m_shader; }
+
     // get tile
     TilePtr getTile(const Point& mousePos, const Rect& mapRect);
 
@@ -139,7 +142,7 @@ private:
     EventPtr m_updateTilesCacheEvent;
     CreaturePtr m_followingCreature;
     FrameBufferPtr m_framebuffer;
-    PainterShaderProgramPtr m_shaderProgram;
+    PainterShaderProgramPtr m_shader;
     ViewMode m_viewMode;
     Otc::DrawFlags m_drawFlags;
 };

src/otclient/core/shadermanager.cpp

@@ -0,0 +1,124 @@
+/*
+ * 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 "shadermanager.h"
+#include <framework/graphics/paintershaderprogram.h>
+#include <framework/graphics/graphics.h>
+#include <framework/graphics/painterogl2_shadersources.h>
+
+ShaderManager g_shaders;
+
+void ShaderManager::init()
+{
+    if(!g_graphics.canUseShaders())
+        return;
+
+    m_defaultItemShader = createFragmentShaderFromCode("Item", glslMainFragmentShader + glslTextureSrcFragmentShader);
+    setupItemShader(m_defaultItemShader);
+
+    m_defaultMapShader = createFragmentShaderFromCode("Map", glslMainFragmentShader + glslTextureSrcFragmentShader);
+
+    PainterShaderProgram::release();
+}
+
+void ShaderManager::terminate()
+{
+    m_defaultItemShader = nullptr;
+    m_defaultMapShader = nullptr;
+}
+
+PainterShaderProgramPtr ShaderManager::createShader(const std::string& name)
+{
+    if(!g_graphics.canUseShaders()) {
+        g_logger.error(stdext::format("unable to create shader, shaders are not supported"));
+        return nullptr;
+    }
+
+    PainterShaderProgramPtr shader(new PainterShaderProgram);
+    m_shaders[name] = shader;
+    return shader;
+}
+
+PainterShaderProgramPtr ShaderManager::createFragmentShader(const std::string& name, const std::string& file)
+{
+    PainterShaderProgramPtr shader = createShader(name);
+    if(!shader)
+        return nullptr;
+
+    shader->addShaderFromSourceCode(Shader::Vertex, glslMainWithTexCoordsVertexShader + glslPositionOnlyVertexShader);
+    if(!shader->addShaderFromSourceFile(Shader::Fragment, file)) {
+        g_logger.error(stdext::format("unable to load fragment shader '%s' from source file '%s'", name, file));
+        return nullptr;
+    }
+
+    if(!shader->link()) {
+        g_logger.error(stdext::format("unable to link shader '%s' from file '%s'", name, file));
+        return nullptr;
+    }
+
+    m_shaders[name] = shader;
+    return shader;
+}
+
+PainterShaderProgramPtr ShaderManager::createFragmentShaderFromCode(const std::string& name, const std::string& code)
+{
+    PainterShaderProgramPtr shader = createShader(name);
+    if(!shader)
+        return nullptr;
+
+    shader->addShaderFromSourceCode(Shader::Vertex, glslMainWithTexCoordsVertexShader + glslPositionOnlyVertexShader);
+    if(!shader->addShaderFromSourceCode(Shader::Fragment, code)) {
+        g_logger.error(stdext::format("unable to load fragment shader '%s'", name));
+        return nullptr;
+    }
+
+    if(!shader->link()) {
+        g_logger.error(stdext::format("unable to link shader '%s'", name));
+        return nullptr;
+    }
+
+    m_shaders[name] = shader;
+    return shader;
+}
+
+PainterShaderProgramPtr ShaderManager::createItemShader(const std::string& name, const std::string& file)
+{
+    PainterShaderProgramPtr shader = createFragmentShader(name, file);
+    if(shader)
+        setupItemShader(shader);
+    return shader;
+}
+
+void ShaderManager::setupItemShader(const PainterShaderProgramPtr& shader)
+{
+    if(!shader)
+        return;
+    shader->bindUniformLocation(ITEM_ID_UNIFORM, "u_ItemId");
+}
+
+PainterShaderProgramPtr ShaderManager::getShader(const std::string& name)
+{
+    auto it = m_shaders.find(name);
+    if(it != m_shaders.end())
+        return it->second;
+    return nullptr;
+}

src/otclient/core/shadermanager.h

@@ -0,0 +1,62 @@
+/*
+ * 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 GAMESHADERS_H
+#define GAMESHADERS_H
+
+#include "declarations.h"
+#include <framework/graphics/paintershaderprogram.h>
+
+class ShaderManager
+{
+public:
+    enum {
+        ITEM_ID_UNIFORM = 10
+    };
+
+    void init();
+    void terminate();
+
+    PainterShaderProgramPtr createShader(const std::string& name);
+    PainterShaderProgramPtr createFragmentShader(const std::string& name, const std::string& file);
+    PainterShaderProgramPtr createFragmentShaderFromCode(const std::string& name, const std::string& code);
+
+    PainterShaderProgramPtr createItemShader(const std::string& name, const std::string& file);
+    PainterShaderProgramPtr createMapShader(const std::string& name, const std::string& file) { return createFragmentShader(name, file); }
+
+    PainterShaderProgramPtr getDefaultItemShader() { return m_defaultItemShader; }
+    PainterShaderProgramPtr getDefaultMapShader() { return m_defaultMapShader; }
+
+    PainterShaderProgramPtr getShader(const std::string& name);
+
+private:
+    void setupItemShader(const PainterShaderProgramPtr& shader);
+
+    PainterShaderProgramPtr m_defaultItemShader;
+    PainterShaderProgramPtr m_defaultMapShader;
+    std::unordered_map<std::string, PainterShaderProgramPtr> m_shaders;
+};
+
+
+extern ShaderManager g_shaders;
+
+#endif

src/otclient/luafunctions.cpp

@@ -37,6 +37,7 @@
 #include <otclient/core/map.h>
 #include <otclient/core/thingstype.h>
 #include <otclient/core/spritemanager.h>
+#include <otclient/core/shadermanager.h>
 #include <otclient/net/protocolgame.h>
 #include <otclient/ui/uiitem.h>
 #include <otclient/ui/uicreature.h>
@@ -171,6 +172,16 @@ void OTClient::registerLuaFunctions()
     g_lua.bindClassStaticFunction("g_game", "getClientVersion", std::bind(&Game::getClientVersion, &g_game));
     g_lua.bindClassStaticFunction("g_game", "getFeature", std::bind(&Game::getFeature, &g_game, std::placeholders::_1));
 
+    g_lua.registerStaticClass("g_shaders");
+    g_lua.bindClassStaticFunction("g_shaders", "createShader", std::bind(&ShaderManager::createShader, &g_shaders, std::placeholders::_1));
+    g_lua.bindClassStaticFunction("g_shaders", "createFragmentShader", std::bind(&ShaderManager::createFragmentShader, &g_shaders, std::placeholders::_1, std::placeholders::_2));
+    g_lua.bindClassStaticFunction("g_shaders", "createFragmentShaderFromCode", std::bind(&ShaderManager::createFragmentShaderFromCode, &g_shaders, std::placeholders::_1, std::placeholders::_2));
+    g_lua.bindClassStaticFunction("g_shaders", "createItemShader", std::bind(&ShaderManager::createItemShader, &g_shaders, std::placeholders::_1, std::placeholders::_2));
+    g_lua.bindClassStaticFunction("g_shaders", "createMapShader", std::bind(&ShaderManager::createMapShader, &g_shaders, std::placeholders::_1, std::placeholders::_2));
+    g_lua.bindClassStaticFunction("g_shaders", "getDefaultItemShader", std::bind(&ShaderManager::getDefaultItemShader, &g_shaders));
+    g_lua.bindClassStaticFunction("g_shaders", "getDefaultMapShader", std::bind(&ShaderManager::getDefaultMapShader, &g_shaders));
+    g_lua.bindClassStaticFunction("g_shaders", "getShader", std::bind(&ShaderManager::getShader, &g_shaders, std::placeholders::_1));
+
     g_lua.bindGlobalFunction("getOufitColor", Outfit::getColor);
 
     g_lua.registerClass<ProtocolGame, Protocol>();
@@ -375,6 +386,7 @@ void OTClient::registerLuaFunctions()
     g_lua.bindClassMemberFunction<UIMap>("setDrawMinimapColors", &UIMap::setDrawMinimapColors);
     g_lua.bindClassMemberFunction<UIMap>("setAnimated", &UIMap::setAnimated);
     g_lua.bindClassMemberFunction<UIMap>("setKeepAspectRatio", &UIMap::setKeepAspectRatio);
+    g_lua.bindClassMemberFunction<UIMap>("setMapShader", &UIMap::setMapShader);
     g_lua.bindClassMemberFunction<UIMap>("isMultifloor", &UIMap::isMultifloor);
     g_lua.bindClassMemberFunction<UIMap>("isAutoViewModeEnabled", &UIMap::isAutoViewModeEnabled);
     g_lua.bindClassMemberFunction<UIMap>("isDrawingTexts", &UIMap::isDrawingTexts);
@@ -390,6 +402,7 @@ void OTClient::registerLuaFunctions()
     g_lua.bindClassMemberFunction<UIMap>("getMaxZoomIn", &UIMap::getMaxZoomIn);
     g_lua.bindClassMemberFunction<UIMap>("getMaxZoomOut", &UIMap::getMaxZoomOut);
     g_lua.bindClassMemberFunction<UIMap>("getZoom", &UIMap::getZoom);
+    g_lua.bindClassMemberFunction<UIMap>("getMapShader", &UIMap::getMapShader);
 
     g_lua.registerClass<UIProgressRect, UIWidget>();
     g_lua.bindClassStaticFunction<UIProgressRect>("create", []{ return UIProgressRectPtr(new UIProgressRect); } );

src/otclient/otclient.cpp

@@ -26,6 +26,7 @@
 #include <framework/graphics/graphics.h>
 #include "core/game.h"
 #include "core/map.h"
+#include "core/shadermanager.h"
 
 OTClient::OTClient() : Application(Otc::AppCompactName)
 {
@@ -87,6 +88,8 @@ void OTClient::init(const std::vector<std::string>& args)
     g_logger.setLogFile(stdext::format("%s.txt", Otc::AppCompactName));
     Application::init(args);
 
+    g_shaders.init();
+
     g_modules.discoverModules();
 
     // core modules 0-99
@@ -110,3 +113,9 @@ void OTClient::init(const std::vector<std::string>& args)
         }
     }
 }
+
+void OTClient::terminate()
+{
+    g_shaders.terminate();
+    Application::terminate();
+}

src/otclient/otclient.h

@@ -31,6 +31,7 @@ class OTClient : public Application
 public:
     OTClient();
     void init(const std::vector<std::string>& args);
+    void terminate();
     void registerLuaFunctions();
 };
 

src/otclient/ui/uimap.h

@@ -54,6 +54,7 @@ public:
     void setDrawMinimapColors(bool enable) { m_mapView->setDrawMinimapColors(enable); }
     void setAnimated(bool enable) { m_mapView->setAnimated(enable); }
     void setKeepAspectRatio(bool enable);
+    void setMapShader(const PainterShaderProgramPtr& shader) { m_mapView->setShader(shader); }
 
     bool isMultifloor() { return m_mapView->isMultifloor(); }
     bool isAutoViewModeEnabled() { return m_mapView->isAutoViewModeEnabled(); }
@@ -71,6 +72,7 @@ public:
     int getMaxZoomIn() { return m_maxZoomIn; }
     int getMaxZoomOut() { return m_maxZoomOut; }
     int getZoom() { return m_zoom; }
+    PainterShaderProgramPtr getMapShader() { return m_mapView->getShader(); }
 
 protected:
     virtual void onStyleApply(const std::string& styleName, const OTMLNodePtr& styleNode);