optimize graphics performance

modules/game_shaders/item.frag

@@ -1,11 +1,11 @@
 uniform float opacity; // painter opacity
 uniform vec4 color; // painter color
 uniform float time; // time in seconds since shader linkage
-uniform sampler2D texture; // map texture
+uniform sampler2D tex0; // map texture
+varying vec2 texCoord; // map texture coords
 //uniform int itemId; // item id
-varying vec2 textureCoords; // map texture coords
 
 void main()
 {
-    gl_FragColor = texture2D(texture, textureCoords);
+    gl_FragColor = texture2D(tex0, texCoord);
 }

modules/game_shaders/map.frag

@@ -1,13 +1,13 @@
 uniform float opacity; // painter opacity
 uniform vec4 color; // painter color
 uniform float time; // time in seconds since shader linkage
-uniform sampler2D texture; // map texture
-varying vec2 textureCoords; // map texture coords
+uniform sampler2D tex0; // map texture
+varying vec2 texCoord; // map texture coords
 //uniform vec4 awareArea;
 
 void main()
 {
-    gl_FragColor = texture2D(texture, textureCoords);
+    gl_FragColor = texture2D(tex0, texCoord);
 }
 
 /*

modules/game_shaders/outfit.frag

@@ -2,9 +2,9 @@ uniform float opacity; // painter opacity
 uniform vec4 color; // painter color
 uniform float time; // time in seconds since shader linkage
 
-uniform sampler2D texture; // outfit texture
-varying vec2 textureCoords; // outfit texture coords
-uniform sampler2D maskTexture; // outfit color mask
+uniform sampler2D tex0; // outfit texture
+uniform sampler2D tex1; // outfit color mask
+varying vec2 texCoord; // outfit texture coords
 
 uniform vec4 headColor;
 uniform vec4 bodyColor;
@@ -14,8 +14,8 @@ uniform vec4 feetColor;
 
 vec4 calcOutfitPixel()
 {
-    vec4 pixel = texture2D(texture, textureCoords);
-    vec4 maskColor = texture2D(maskTexture, textureCoords);
+    vec4 pixel = texture2D(tex0, texCoord);
+    vec4 maskColor = texture2D(tex1, texCoord);
 
     vec4 outColor = vec4(1.0, 1.0, 1.0, 1.0);
     if(maskColor.r > 0.1 && maskColor.g > 0.1)

src/framework/graphics/coordsbuffer.h

@@ -47,6 +47,11 @@ public:
         m_textureVertexBuffer.addRect(src);
         m_hardwareCached = false;
     }
+    void addQuad(const Rect& dest, const Rect& src) {
+        m_vertexBuffer.addQuad(dest);
+        m_textureVertexBuffer.addQuad(src);
+        m_hardwareCached = false;
+    }
 
     void addBoudingRect(const Rect& dest, int innerLineWidth);
     void addRepeatedRects(const Rect& dest, const Rect& src);

src/framework/graphics/painter.cpp

@@ -77,8 +77,10 @@ void Painter::drawTexturedRect(const Rect& dest, const TexturePtr& texture, cons
         return;
 
     m_coordsBuffer.clear();
-    m_coordsBuffer.addRect(dest, src);
-    drawTextureCoords(m_coordsBuffer, texture);
+    m_coordsBuffer.addQuad(dest, src);
+    PainterShaderProgramPtr& program = m_customProgram ? m_customProgram : m_drawTexturedProgram;
+    program->setTexture(texture);
+    drawProgram(program, m_coordsBuffer, PainterShaderProgram::TriangleStrip);
 }
 
 void Painter::drawRepeatedTexturedRect(const Rect& dest, const TexturePtr& texture, const Rect& src)

src/framework/graphics/paintershaderprogram.cpp

@@ -28,69 +28,99 @@
 
 PainterShaderProgram::PainterShaderProgram()
 {
-    m_textures.fill(std::make_tuple(-1, 0));
     m_startTime = g_clock.time();
+    m_opacity = 1;
+    m_color = Color::white;
+    m_time = 0;
     m_lastTexture = -1;
 }
 
 bool PainterShaderProgram::link()
 {
-    bindAttributeLocation(VERTEX_COORDS_ATTR, "vertexCoord");
-    bindAttributeLocation(TEXTURE_COORDS_ATTR, "textureCoord");
+    m_startTime = g_clock.time();
+    bindAttributeLocation(VERTEX_ATTR, "a_vertex");
+    bindAttributeLocation(TEXCOORD_ATTR, "a_texCoord");
     if(ShaderProgram::link()) {
         bindUniformLocation(PROJECTION_MATRIX_UNIFORM, "projectionMatrix");
-        bindUniformLocation(TEXTURE_TRANSFORM_MATRIX_UNIFORM, "textureTransformMatrix");
+        bindUniformLocation(TEXTURE_TRANSFORM_MATRIX_UNIFORM, "texTransformMatrix");
         bindUniformLocation(COLOR_UNIFORM, "color");
         bindUniformLocation(OPACITY_UNIFORM, "opacity");
-        bindUniformLocation(TEXTURE_UNIFORM, "texture");
         bindUniformLocation(TIME_UNIFORM, "time");
+        bindUniformLocation(TEX0_UNIFORM, "tex0");
+        bindUniformLocation(TEX1_UNIFORM, "tex1");
+
+        bind();
+        setUniformValue(PROJECTION_MATRIX_UNIFORM, m_projectionMatrix);
+        setUniformValue(TEXTURE_TRANSFORM_MATRIX_UNIFORM, m_textureTransformMatrix);
+        setUniformValue(COLOR_UNIFORM, m_color);
+        setUniformValue(OPACITY_UNIFORM, m_opacity);
+        setUniformValue(TIME_UNIFORM, m_time);
+        setUniformValue(TEX0_UNIFORM, 0);
+        setUniformValue(TEX1_UNIFORM, 1);
         return true;
     }
-    m_startTime = g_clock.time();
     return false;
 }
 
 void PainterShaderProgram::setProjectionMatrix(const Matrix3& projectionMatrix)
 {
+    if(projectionMatrix == m_projectionMatrix)
+        return;
+
     bind();
     setUniformValue(PROJECTION_MATRIX_UNIFORM, projectionMatrix);
+    m_projectionMatrix = projectionMatrix;
 }
 
 void PainterShaderProgram::setColor(const Color& color)
 {
+    if(color == m_color)
+        return;
+
     bind();
     setUniformValue(COLOR_UNIFORM, color);
+    m_color = color;
 }
 
 void PainterShaderProgram::setOpacity(float opacity)
 {
+    if(m_opacity == opacity)
+        return;
+
     bind();
     setUniformValue(OPACITY_UNIFORM, opacity);
+    m_opacity = opacity;
 }
 
-void PainterShaderProgram::setUniformTexture(int location, const TexturePtr& texture, int index)
+void PainterShaderProgram::setTexture(const TexturePtr& texture, int index)
 {
     assert(index >= 0 && index <= 1);
 
-    m_textures[index] = std::make_tuple(location, texture ? texture->getId() : 0);
-    m_lastTexture = std::max(m_lastTexture, index);
-}
-
-void PainterShaderProgram::setTexture(const TexturePtr& texture)
-{
-    if(!texture)
+    if(m_textures[index] == texture)
         return;
 
-    bind();
-    setUniformTexture(TEXTURE_UNIFORM, texture, 0);
-    setUniformValue(TEXTURE_TRANSFORM_MATRIX_UNIFORM, texture->getTransformMatrix());
+    m_textures[index] = texture;
+    m_lastTexture = std::max(m_lastTexture, index);
+
+    if(texture && index == 0) {
+        const Matrix2& textureTransformMatrix = texture->getTransformMatrix();
+        if(m_textureTransformMatrix != textureTransformMatrix) {
+            bind();
+            setUniformValue(TEXTURE_TRANSFORM_MATRIX_UNIFORM, textureTransformMatrix);
+            m_textureTransformMatrix = textureTransformMatrix;
+        }
+    }
 }
 
 void PainterShaderProgram::draw(CoordsBuffer& coordsBuffer, DrawMode drawMode)
 {
     bind();
 
-    setUniformValue(TIME_UNIFORM, g_clock.timeElapsed(m_startTime));
+    float time = g_clock.timeElapsed(m_startTime);
+    if(m_time != time) {
+        setUniformValue(TIME_UNIFORM, time);
+        m_time = time;
+    }
 
     int vertexCount = coordsBuffer.getVertexCount();
     if(vertexCount == 0)
@@ -99,37 +129,36 @@ void PainterShaderProgram::draw(CoordsBuffer& coordsBuffer, DrawMode drawMode)
     coordsBuffer.updateCaches();
     bool hardwareCached = coordsBuffer.isHardwareCached();
 
-    enableAttributeArray(PainterShaderProgram::VERTEX_COORDS_ATTR);
+    enableAttributeArray(PainterShaderProgram::VERTEX_ATTR);
     if(hardwareCached)
         coordsBuffer.getHardwareVertexBuffer()->bind();
-    setAttributeArray(PainterShaderProgram::VERTEX_COORDS_ATTR, hardwareCached ? 0 : coordsBuffer.getVertexBuffer(), 2);
+    setAttributeArray(PainterShaderProgram::VERTEX_ATTR, hardwareCached ? 0 : coordsBuffer.getVertexBuffer(), 2);
 
     bool hasTexture = coordsBuffer.getTextureVertexCount() != 0;
     if(hasTexture) {
-        enableAttributeArray(PainterShaderProgram::TEXTURE_COORDS_ATTR);
+        enableAttributeArray(PainterShaderProgram::TEXCOORD_ATTR);
         if(hardwareCached)
             coordsBuffer.getHardwareTextureVertexBuffer()->bind();
-        setAttributeArray(PainterShaderProgram::TEXTURE_COORDS_ATTR, hardwareCached ? 0 : coordsBuffer.getTextureVertexBuffer(), 2);
+        setAttributeArray(PainterShaderProgram::TEXCOORD_ATTR, hardwareCached ? 0 : coordsBuffer.getTextureVertexBuffer(), 2);
     }
 
     if(hardwareCached)
         HardwareBuffer::unbind(HardwareBuffer::VertexBuffer);
 
-    for(int i=m_lastTexture;i>=0;--i) {
-        int location = std::get<0>(m_textures[i]);
-        uint id = std::get<1>(m_textures[i]);
-        setUniformValue(location, i);
-
-        if(m_lastTexture > 0)
-            glActiveTexture(GL_TEXTURE0+i);
-        glBindTexture(GL_TEXTURE_2D, id);
+    if(m_lastTexture == 0) {
+        glBindTexture(GL_TEXTURE_2D, m_textures[0] ? m_textures[0]->getId() : 0);
+    } else {
+        glActiveTexture(GL_TEXTURE1);
+        glBindTexture(GL_TEXTURE_2D, m_textures[1] ? m_textures[1]->getId() : 0);
+        glActiveTexture(GL_TEXTURE0);
+        glBindTexture(GL_TEXTURE_2D, m_textures[0] ? m_textures[0]->getId() : 0);
     }
 
     glDrawArrays(drawMode, 0, vertexCount);
 
-    disableAttributeArray(PainterShaderProgram::VERTEX_COORDS_ATTR);
+    disableAttributeArray(PainterShaderProgram::VERTEX_ATTR);
 
     if(hasTexture)
-        disableAttributeArray(PainterShaderProgram::TEXTURE_COORDS_ATTR);
+        disableAttributeArray(PainterShaderProgram::TEXCOORD_ATTR);
 }
 

src/framework/graphics/paintershaderprogram.h

@@ -30,14 +30,17 @@
 class PainterShaderProgram : public ShaderProgram
 {
     enum {
-        VERTEX_COORDS_ATTR = 0,
-        TEXTURE_COORDS_ATTR = 1,
+        VERTEX_ATTR = 0,
+        TEXCOORD_ATTR = 1,
         PROJECTION_MATRIX_UNIFORM = 0,
         TEXTURE_TRANSFORM_MATRIX_UNIFORM = 1,
         COLOR_UNIFORM = 2,
         OPACITY_UNIFORM = 3,
-        TEXTURE_UNIFORM = 4,
-        TIME_UNIFORM = 5
+        TIME_UNIFORM = 4,
+        TEX0_UNIFORM = 5,
+        TEX1_UNIFORM = 6,
+        //TEX2_UNIFORM = 7,
+        //TEX3_UNIFORM = 8,
     };
 public:
     enum DrawMode {
@@ -52,14 +55,20 @@ public:
     void setProjectionMatrix(const Matrix3& projectionMatrix);
     void setColor(const Color& color);
     void setOpacity(float opacity);
-    void setTexture(const TexturePtr& texture);
+    void setTexture(const TexturePtr& texture, int index = 0);
     void setUniformTexture(int location, const TexturePtr& texture, int index);
     void draw(CoordsBuffer& coordsBuffer, DrawMode drawMode = Triangles);
 
 private:
     DrawMode m_drawMode;
     float m_startTime;
-    std::array<std::tuple<int, uint>, 4> m_textures;
+    TexturePtr m_textures[2];
+
+    Color m_color;
+    float m_opacity;
+    Matrix3 m_projectionMatrix;
+    Matrix2 m_textureTransformMatrix;
+    float m_time;
     int m_lastTexture;
 };
 

src/framework/graphics/paintershadersources.h

@@ -20,15 +20,6 @@
  * THE SOFTWARE.
  */
 
-const static int VERTEX_COORDS_ATTR = 0;
-const static int TEXTURE_COORDS_ATTR = 1;
-
-const static int PROJECTION_MATRIX_UNIFORM = 0;
-const static int TEXTURE_TRANSFORM_MATRIX_UNIFORM = 1;
-const static int COLOR_UNIFORM = 2;
-const static int OPACITY_UNIFORM = 3;
-const static int TEXTURE_UNIFORM = 4;
-
 static const std::string glslMainVertexShader = "\n\
     highp vec4 calculatePosition();\n\
     void main() {\n\
@@ -36,21 +27,21 @@ static const std::string glslMainVertexShader = "\n\
     }\n";
 
 static const std::string glslMainWithTexCoordsVertexShader = "\n\
-    attribute highp vec2 textureCoord;\n\
-    uniform highp mat2 textureTransformMatrix;\n\
-    varying highp vec2 textureCoords;\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\
-        textureCoords = textureTransformMatrix * textureCoord;\n\
+        texCoord = texTransformMatrix * a_texCoord;\n\
     }\n";
 
 static std::string glslPositionOnlyVertexShader = "\n\
-    attribute highp vec2 vertexCoord;\n\
+    attribute highp vec2 a_vertex;\n\
     uniform highp mat3 projectionMatrix;\n\
     highp vec4 calculatePosition() {\n\
-        return vec4(projectionMatrix * vec3(vertexCoord.xy, 1), 1);\n\
+        return vec4(projectionMatrix * vec3(a_vertex.xy, 1), 1);\n\
     }\n";
 
 static const std::string glslMainFragmentShader = "\n\
@@ -62,11 +53,11 @@ static const std::string glslMainFragmentShader = "\n\
     }\n";
 
 static const std::string glslTextureSrcFragmentShader = "\n\
-    varying mediump vec2 textureCoords;\n\
+    varying mediump vec2 texCoord;\n\
     uniform lowp vec4 color;\n\
-    uniform sampler2D texture;\n\
+    uniform sampler2D tex0;\n\
     lowp vec4 calculatePixel() {\n\
-        return texture2D(texture, textureCoords) * color;\n\
+        return texture2D(tex0, texCoord) * color;\n\
     }\n";
 
 static const std::string glslSolidColorFragmentShader = "\n\

src/framework/graphics/shaderprogram.cpp

@@ -109,8 +109,10 @@ bool ShaderProgram::bind()
 
 void ShaderProgram::release()
 {
-    m_currentProgram = 0;
-    glUseProgram(0);
+    if(m_currentProgram != 0) {
+        m_currentProgram = 0;
+        glUseProgram(0);
+    }
 }
 
 std::string ShaderProgram::log()

src/framework/graphics/shaderprogram.h

@@ -41,7 +41,7 @@ public:
     void removeAllShaders();
     virtual bool link();
     bool bind();
-    void release();
+    static void release();
     std::string log();
 
     void disableAttributeArray(int location) { glDisableVertexAttribArray(location); }

src/framework/graphics/texture.cpp

@@ -46,7 +46,7 @@ uint Texture::internalLoadGLTexture(uchar *pixels, int channels, int width, int
 {
     m_size.resize(width, height);
     m_transformMatrix = { 1.0f/width,  0.0f,
-                               0.0f,        1.0f/height };
+                          0.0f,        1.0f/height };
 
     // gets max texture size supported by the driver
     static GLint maxTexSize = -1;

src/framework/ui/uiframecounter.cpp

@@ -44,6 +44,7 @@ void UIFrameCounter::drawSelf()
         m_fpsText = Fw::formatString("FPS: %d", m_frameCount);
         m_lastFrameTicks = g_clock.ticks();
         m_frameCount = 0;
+        dump << m_fpsText;
     }
     m_frameCount++;
 

src/otclient/core/creature.cpp

@@ -96,7 +96,6 @@ void Creature::internalDrawOutfit(const Point& dest, float scaleFactor, bool ani
         outfitProgram->bindUniformLocation(BODY_COLOR_UNIFORM, "bodyColor");
         outfitProgram->bindUniformLocation(LEGS_COLOR_UNIFORM, "legsColor");
         outfitProgram->bindUniformLocation(FEET_COLOR_UNIFORM, "feetColor");
-        outfitProgram->bindUniformLocation(MASK_TEXTURE_UNIFORM, "maskTexture");
     }
 
     int xPattern = 0, yPattern = 0, zPattern = 0;
@@ -141,7 +140,7 @@ void Creature::internalDrawOutfit(const Point& dest, float scaleFactor, bool ani
                         int maskId = getSpriteId(w, h, 1, xPattern, yPattern, zPattern, animationPhase);
                         maskTex = g_sprites.getSpriteTexture(maskId);
                     }
-                    outfitProgram->setUniformTexture(MASK_TEXTURE_UNIFORM, maskTex, 1);
+                    outfitProgram->setTexture(maskTex, 1);
 
                     internalDraw(dest + (-Point(w,h)*Otc::TILE_PIXELS)*scaleFactor,
                                  scaleFactor, w, h, xPattern, yPattern, zPattern, 0, animationPhase);

src/otclient/core/item.cpp

@@ -170,8 +170,8 @@ void Item::draw(const Point& dest, float scaleFactor, bool animate)
         itemProgram->bindUniformLocation(ITEM_ID_UNIFORM, "itemId");
     }
     g_painter.setCustomProgram(itemProgram);
-    itemProgram->bind();
-    itemProgram->setUniformValue(ITEM_ID_UNIFORM, (int)m_id);
+    //itemProgram->bind();
+    //itemProgram->setUniformValue(ITEM_ID_UNIFORM, (int)m_id);
 
     // now we can draw the item
     internalDraw(dest, scaleFactor, xPattern, yPattern, zPattern, animationPhase);