Example usage for org.lwjgl.opengl GL11 glBindTexture

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glBindTexture.

Prototype

public static void glBindTexture(@NativeType("GLenum") int target, @NativeType("GLuint") int texture) 

Source Link

Document

Binds the a texture to a texture target.

Usage

From source file:mwisbest.openbase.opengl.TextureLoader.java

License:Open Source License

private TextureImplementation getTexture(InputStream in, String resourceName, int target, int minFilter,
        int magFilter, boolean flipped, int[] transparent) throws IOException {
    // create the texture ID for this texture
    ByteBuffer textureBuffer;// w w  w.ja v  a 2  s .  co m

    LoadableImageData imageData = ImageDataFactory.getImageDataFor(resourceName);
    textureBuffer = imageData.loadImage(new BufferedInputStream(in), flipped, transparent);

    int textureID = createTextureID();
    TextureImplementation texture = new TextureImplementation(resourceName, target, textureID);
    // bind this texture
    GL11.glEnable(target);
    GL11.glBindTexture(target, textureID);

    int width;
    int height;
    int texWidth;
    int texHeight;

    ImageData.Format format;

    width = imageData.getWidth();
    height = imageData.getHeight();
    format = imageData.getFormat();

    texture.setTextureWidth(imageData.getTexWidth());
    texture.setTextureHeight(imageData.getTexHeight());

    texWidth = texture.getTextureWidth();
    texHeight = texture.getTextureHeight();

    IntBuffer temp = BufferUtils.createIntBuffer(16);
    GL11.glGetInteger(GL11.GL_MAX_TEXTURE_SIZE, temp);
    int max = temp.get(0);
    if (texWidth > max || texHeight > max)
        throw new IOException("Attempt to allocate a texture to big for the current hardware");

    int srcPixelFormat = format.getOGLType();

    texture.setWidth(width);
    texture.setHeight(height);
    texture.setImageFormat(format);

    GL11.glTexParameteri(target, GL11.GL_TEXTURE_MIN_FILTER, minFilter);
    GL11.glTexParameteri(target, GL11.GL_TEXTURE_MAG_FILTER, magFilter);

    ContextCapabilities capabilities = GLContext.getCapabilities();

    if (capabilities.OpenGL30 || capabilities.GL_EXT_framebuffer_object
            || capabilities.GL_ARB_framebuffer_object || capabilities.OpenGL14) {
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_LINEAR);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL12.GL_TEXTURE_MAX_LOD, GL11.GL_POLYGON_BIT);
        if (capabilities.OpenGL30)
            GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
        else if (capabilities.GL_EXT_framebuffer_object)
            EXTFramebufferObject.glGenerateMipmapEXT(GL11.GL_TEXTURE_2D);
        else if (capabilities.GL_ARB_framebuffer_object)
            ARBFramebufferObject.glGenerateMipmap(GL11.GL_TEXTURE_2D);
        else if (capabilities.OpenGL14)
            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL14.GL_GENERATE_MIPMAP, GL11.GL_TRUE);
    }

    // produce a texture from the byte buffer
    GL11.glTexImage2D(target, 0, this.dstPixelFormat, get2Fold(width), get2Fold(height), 0, srcPixelFormat,
            GL11.GL_UNSIGNED_BYTE, textureBuffer);
    return texture;
}

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From source file:mwisbest.openbase.opengl.TextureLoader.java

License:Open Source License

/**
 * Get a texture from an image file./* w  w w.j a  v  a 2 s  .c  om*/
 * 
 * @param dataSource The image data to generate the texture from
 * @param filter The filter to use when scaling the texture
 * @return The texture created
 * @throws IOException Indicates the texture is too big for the hardware
 */
public Texture getTexture(ImageData dataSource, int filter) throws IOException {
    int target = GL11.GL_TEXTURE_2D;

    ByteBuffer textureBuffer;
    textureBuffer = dataSource.getImageBufferData();

    // create the texture ID for this texture
    int textureID = createTextureID();
    TextureImplementation texture = new TextureImplementation("generated:" + dataSource, target, textureID);

    int minFilter = filter;
    int magFilter = filter;

    // bind this texture
    GL11.glEnable(target);
    GL11.glBindTexture(target, textureID);

    int width;
    int height;
    int texWidth;
    int texHeight;

    ImageData.Format format;

    width = dataSource.getWidth();
    height = dataSource.getHeight();
    format = dataSource.getFormat();

    texture.setTextureWidth(dataSource.getTexWidth());
    texture.setTextureHeight(dataSource.getTexHeight());

    texWidth = texture.getTextureWidth();
    texHeight = texture.getTextureHeight();

    int srcPixelFormat = format.getOGLType();

    texture.setWidth(width);
    texture.setHeight(height);
    texture.setImageFormat(format);

    IntBuffer temp = BufferUtils.createIntBuffer(16);
    GL11.glGetInteger(GL11.GL_MAX_TEXTURE_SIZE, temp);
    int max = temp.get(0);
    if (texWidth > max || texHeight > max)
        throw new IOException("Attempt to allocate a texture to big for the current hardware");

    GL11.glTexParameteri(target, GL11.GL_TEXTURE_MIN_FILTER, minFilter);
    GL11.glTexParameteri(target, GL11.GL_TEXTURE_MAG_FILTER, magFilter);

    // produce a texture from the byte buffer
    GL11.glTexImage2D(target, 0, this.dstPixelFormat, get2Fold(width), get2Fold(height), 0, srcPixelFormat,
            GL11.GL_UNSIGNED_BYTE, textureBuffer);
    return texture;
}

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From source file:mwisbest.openbase.opengl.TextureLoader.java

License:Open Source License

/**
 * Reload a given texture blob; used internally with setHoldTextureData. Call TextureImpl.reload instead.
 * // www  .  j  av a 2  s.  c o m
 * @param texture The texture being reloaded
 * @param srcPixelFormat The source pixel format
 * @param componentCount The component count
 * @param minFilter The minification filter
 * @param magFilter The magnification filter
 * @param textureBuffer The pixel data
 * @return The ID of the newly created texture
 */
public int reload(TextureImplementation texture, int srcPixelFormat, int componentCount, int minFilter,
        int magFilter, ByteBuffer textureBuffer) {
    int target = GL11.GL_TEXTURE_2D;
    int textureID = createTextureID();
    GL11.glEnable(target);
    GL11.glBindTexture(target, textureID);

    GL11.glTexParameteri(target, GL11.GL_TEXTURE_MIN_FILTER, minFilter);
    GL11.glTexParameteri(target, GL11.GL_TEXTURE_MAG_FILTER, magFilter);

    // produce a texture from the byte buffer
    GL11.glTexImage2D(target, 0, this.dstPixelFormat, texture.getTextureWidth(), texture.getTextureHeight(), 0,
            srcPixelFormat, GL11.GL_UNSIGNED_BYTE, textureBuffer);
    return textureID;
}

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From source file:mwisbest.openbase.opengl.UtilsGL.java

License:Open Source License

/**
 * Draws the specified texture to positions x and y on the screen and scaled with the specified width and height
 * //from  www . j  a  v a2 s. c om
 * @param texture
 * @param x
 * @param y
 * @param width
 * @param height
 */
public static void drawTexture(Texture texture, int x, int y, int width, int height) {
    GL11.glPushMatrix();
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glDepthMask(false);
    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    if (Common.currentTextureID != texture.getTextureID()) {
        int texID = texture.getTextureID();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texID);
        Common.currentTextureID = texID;
    }
    GL11.glTranslatef(x, y, 0);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(0, 0);
    GL11.glVertex2f(0, 0);
    GL11.glTexCoord2f(0, texture.getHeight());
    GL11.glVertex2f(0, height);
    GL11.glTexCoord2f(texture.getWidth(), texture.getHeight());
    GL11.glVertex2f(width, height);
    GL11.glTexCoord2f(texture.getWidth(), 0);
    GL11.glVertex2f(width, 0);
    GL11.glEnd();
    GL11.glPopMatrix();
}

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From source file:net.betabears.the2dlibrary.graphics.Image.java

/**
 * Binds this image and prepares rendering. Make sure to call
 * glEnable(GL_TEXTURE_2D) before./*from www. j  a v  a2  s  .  c o  m*/
 */
public void bind() {
    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    GL33.glBindSampler(0, samplerID);
}

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From source file:net.BiggerOnTheInside.Binder.GameLoop.java

License:Open Source License

private void render2D() {
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    Color.white.bind();

    renderDebug();
}

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From source file:net.minecraft.client.gui.fonts.GlyphCache.java

License:Open Source License

/**
 * Allocate a new OpenGL texture for caching pre-rendered glyph images. The
 * new texture is initialized to fully transparent white so the individual
 * glyphs images within can have a transparent border between them. The new
 * texture remains bound after returning from the function.
 *
 * @todo use GL_ALPHA4 if anti-alias is turned off for even smaller textures
 */// w  w  w .  j  a va  2s  . c  o m
private void allocateGlyphCacheTexture() {
    /* Initialize the background to all white but fully transparent. */
    glyphCacheGraphics.clearRect(0, 0, TEXTURE_WIDTH, TEXTURE_HEIGHT);

    /* Allocate new OpenGL texure */
    singleIntBuffer.clear();
    GLAllocation.generateTextureNames(singleIntBuffer);
    textureName = singleIntBuffer.get(0);

    /* Load imageBuffer with pixel data ready for transfer to OpenGL texture */
    updateImageBuffer(0, 0, TEXTURE_WIDTH, TEXTURE_HEIGHT);

    /*
     * Initialize texture with the now cleared BufferedImage. Using a texture with GL_ALPHA8 internal format may result in
     * faster rendering since the GPU has to only fetch 1 byte per texel instead of 4 with a regular RGBA texture.
     */
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureName);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_ALPHA8, TEXTURE_WIDTH, TEXTURE_HEIGHT, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, imageBuffer);

    /* Explicitely disable mipmap support becuase updateTexture() will only update the base level 0 */
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
}

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From source file:net.minecraft.client.gui.GuiAchievement.java

public void updateAchievementWindow() {
    if (Minecraft.hasPaidCheckTime > 0L) {
        GL11.glDisable(2929 /*GL_DEPTH_TEST*/);
        GL11.glDepthMask(false);//from w w w. j av  a2  s  .c  o m
        RenderHelper.disableStandardItemLighting();
        this.updateAchievementWindowScale();
        String var1 = "Minecraft Beta 1.7.3   Unlicensed Copy :(";
        String var2 = "(Or logged in from another location)";
        String var3 = "Purchase at minecraft.net";
        this.theGame.fontRenderer.drawStringWithShadow(var1, 2, 2, 16777215);
        this.theGame.fontRenderer.drawStringWithShadow(var2, 2, 11, 16777215);
        this.theGame.fontRenderer.drawStringWithShadow(var3, 2, 20, 16777215);
        GL11.glDepthMask(true);
        GL11.glEnable(2929 /*GL_DEPTH_TEST*/);
    }

    if (this.theAchievement != null && this.achievementTime != 0L) {
        double var8 = (double) (System.currentTimeMillis() - this.achievementTime) / 3000.0D;
        if (!this.haveAchiement && !this.haveAchiement && (var8 < 0.0D || var8 > 1.0D)) {
            this.achievementTime = 0L;
        } else {
            this.updateAchievementWindowScale();
            GL11.glDisable(2929 /*GL_DEPTH_TEST*/);
            GL11.glDepthMask(false);
            double var9 = var8 * 2.0D;
            if (var9 > 1.0D) {
                var9 = 2.0D - var9;
            }

            var9 *= 4.0D;
            var9 = 1.0D - var9;
            if (var9 < 0.0D) {
                var9 = 0.0D;
            }

            var9 *= var9;
            var9 *= var9;
            int var5 = this.achievementWindowWidth - 160;
            int var6 = 0 - (int) (var9 * 36.0D);
            int var7 = this.theGame.renderEngine.getTexture("/achievement/bg.png");
            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
            GL11.glEnable(3553 /*GL_TEXTURE_2D*/);
            GL11.glBindTexture(3553 /*GL_TEXTURE_2D*/, var7);
            GL11.glDisable(2896 /*GL_LIGHTING*/);
            this.drawTexturedModalRect(var5, var6, 96, 202, 160, 32);
            if (this.haveAchiement) {
                this.theGame.fontRenderer.drawSplitString(this.achievementStatName, var5 + 30, var6 + 7, 120,
                        -1);
            } else {
                this.theGame.fontRenderer.drawString(this.achievementGetLocalText, var5 + 30, var6 + 7, -256);
                this.theGame.fontRenderer.drawString(this.achievementStatName, var5 + 30, var6 + 18, -1);
            }

            GL11.glPushMatrix();
            GL11.glRotatef(180.0F, 1.0F, 0.0F, 0.0F);
            RenderHelper.enableStandardItemLighting();
            GL11.glPopMatrix();
            GL11.glDisable(2896 /*GL_LIGHTING*/);
            GL11.glEnable('\u803a');
            GL11.glEnable(2903 /*GL_COLOR_MATERIAL*/);
            GL11.glEnable(2896 /*GL_LIGHTING*/);
            this.itemRender.renderItemIntoGUI(this.theGame.fontRenderer, this.theGame.renderEngine,
                    this.theAchievement.theItemStack, var5 + 8, var6 + 8);
            GL11.glDisable(2896 /*GL_LIGHTING*/);
            GL11.glDepthMask(true);
            GL11.glEnable(2929 /*GL_DEPTH_TEST*/);
        }
    }
}

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From source file:net.minecraft.src.betterfonts.GlyphCache.java

License:Open Source License

/**
 * Update a portion of the current glyph cache texture using the contents of the glyphCacheImage with glTexSubImage2D().
 *
 * @param dirty The rectangular region in glyphCacheImage that has changed and needs to be copied into the texture
 *
 * @todo Add mip-mapping support here//from w  w  w  .ja va2 s  . c o  m
 * @todo Test with bilinear texture interpolation and possibly add a 1 pixel transparent border around each glyph to avoid
 * bleedover when interpolation is active or add a small "fudge factor" to the UV coordinates like already n FontRenderer
 */
private void updateTexture(Rectangle dirty) {
    /* Only update OpenGL texture if changes were made to the texture */
    if (dirty != null) {
        /* Load imageBuffer with pixel data ready for transfer to OpenGL texture */
        updateImageBuffer(dirty.x, dirty.y, dirty.width, dirty.height);

        /*
        * NOTE: Since the text is drawn in white with full alpha, each pixel is always all 0s or all 1s
        * and there is no need to manually convert from Java's ARGB layout to OpenGLs RGBA. This avoids
        * having to copy into an extra byte array first; instead the int array is copied straight to a
        * direct int buffer.
        */

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureName);
        GL11.glTexSubImage2D(GL11.GL_TEXTURE_2D, 0, dirty.x, dirty.y, dirty.width, dirty.height, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, imageBuffer);
    }
}

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From source file:net.minecraft.src.forge.ForgeHooksClient.java

License:Minecraft Forge Public License

protected static void bindTexture(String texture, int subID) {
    Integer texID = textures.get(texture);
    if (texID == null) {
        texID = ModLoader.getMinecraftInstance().renderEngine.getTexture(texture);
        textures.put(texture, texID);// w  ww .  j ava  2  s . co m
    }
    if (!inWorld) {
        if (unbindContext != null) {
            unbindContext.afterRenderContext();
            unbindContext = null;
        }
        if (Tessellator.instance.isDrawing) {
            int mode = Tessellator.instance.drawMode;
            Tessellator.instance.draw();
            Tessellator.instance.startDrawing(mode);
        }
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texID);
        unbindContext = renderHandlers.get(new TesKey(texID, subID));
        if (unbindContext != null) {
            unbindContext.beforeRenderContext();
        }
        return;
    }
    bindTessellator(texID, subID);
}

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