Java Code Examples for org.lwjgl.opengl.GL11#glTexParameteri()

The following examples show how to use org.lwjgl.opengl.GL11#glTexParameteri() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: Base64Renderer.java From The-5zig-Mod with GNU General Public License v3.0

6 votes

private void render(int x, int y, int width, int height, IResourceLocation resource, float r, float g, float b, float a) {
	if (dynamicImage != null) {
		The5zigMod.getVars().bindTexture(dynamicImage);
	} else {
		The5zigMod.getVars().bindTexture(resource);
	}

	GLUtil.color(r, g, b, a);
	GLUtil.disableBlend();
	if (interpolateLinear) {
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_LINEAR);
	}
	Gui.drawModalRectWithCustomSizedTexture(x, y, 0.0F, 0.0F, width, height, width, height);
	if (interpolateLinear) {
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_NEAREST);
	}
}

Example 2

Source File: Base64Renderer.java From The-5zig-Mod with MIT License

6 votes

private void render(int x, int y, int width, int height, IResourceLocation resource, float r, float g, float b, float a) {
	if (dynamicImage != null) {
		The5zigMod.getVars().bindTexture(dynamicImage);
	} else {
		The5zigMod.getVars().bindTexture(resource);
	}

	GLUtil.color(r, g, b, a);
	GLUtil.disableBlend();
	if (interpolateLinear) {
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_LINEAR);
	}
	Gui.drawModalRectWithCustomSizedTexture(x, y, 0.0F, 0.0F, width, height, width, height);
	if (interpolateLinear) {
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_NEAREST);
	}
}

Example 3

Source File: Utils.java From SkyblockAddons with MIT License

6 votes

/**
 * Draws a textured rectangle at z = 0. Args: x, y, u, v, width, height, textureWidth, textureHeight
 */
public void drawModalRectWithCustomSizedTexture(float x, float y, float u, float v, float width, float height, float textureWidth, float textureHeight, boolean linearTexture) {
    if (linearTexture) {
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    }

    float f = 1.0F / textureWidth;
    float f1 = 1.0F / textureHeight;
    Tessellator tessellator = Tessellator.getInstance();
    WorldRenderer worldrenderer = tessellator.getWorldRenderer();
    worldrenderer.begin(7, DefaultVertexFormats.POSITION_TEX);
    worldrenderer.pos(x, y + height, 0.0D).tex(u * f, (v + height) * f1).endVertex();
    worldrenderer.pos(x + width, y + height, 0.0D).tex((u + width) * f, (v + height) * f1).endVertex();
    worldrenderer.pos(x + width, y, 0.0D).tex((u + width) * f, v * f1).endVertex();
    worldrenderer.pos(x, y, 0.0D).tex(u * f, v * f1).endVertex();
    tessellator.draw();

    if (linearTexture) {
        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);
    }
}

Example 4

Source File: GuiButtonIcon.java From Hyperium with GNU Lesser General Public License v3.0

6 votes

/**
 * Draws this button to the screen.
 */
public void drawButton(Minecraft mc, int mouseX, int mouseY) {
    if (visible) {
        int width = 52;
        int height = 52;
        mc.getTextureManager().bindTexture(icon);
        GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
        GL11.glPushMatrix();
        GL11.glScalef(scale, scale, scale);
        GlStateManager.enableBlend();
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTranslatef(xPosition / scale + this.width / scale / 2, yPosition / scale + this.height / scale / 2, 0);
        GlStateManager.color(0, 0, 0, 1.0F);
        float mag = 1.25F;
        GlStateManager.scale(mag, mag, mag);
        drawTexturedModalRect(-width / 2, -height / 2, 52 * sprite, 0, width, height);
        GlStateManager.scale(1.0F / mag, 1.0F / mag, 1.0F / mag);
        GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
        drawTexturedModalRect(-width / 2, -height / 2, 52 * sprite, 0, width, height);
        GlStateManager.disableBlend();
        GL11.glPopMatrix();
    }
}

Example 5

Source File: TextureUtils.java From CodeChickenLib with GNU Lesser General Public License v2.1

6 votes

public static void prepareTexture(int target, int texture, int min_mag_filter, int wrap) {
    GL11.glTexParameteri(target, GL11.GL_TEXTURE_MIN_FILTER, min_mag_filter);
    GL11.glTexParameteri(target, GL11.GL_TEXTURE_MAG_FILTER, min_mag_filter);
    if(target == GL11.GL_TEXTURE_2D)
        GlStateManager.bindTexture(target);
    else
        GL11.glBindTexture(target, texture);

    switch (target) {
        case GL12.GL_TEXTURE_3D:
            GL11.glTexParameteri(target, GL12.GL_TEXTURE_WRAP_R, wrap);
        case GL11.GL_TEXTURE_2D:
            GL11.glTexParameteri(target, GL11.GL_TEXTURE_WRAP_T, wrap);
        case GL11.GL_TEXTURE_1D:
            GL11.glTexParameteri(target, GL11.GL_TEXTURE_WRAP_S, wrap);
    }
}

Example 6

Source File: Rendertarget.java From opsu-dance with GNU General Public License v3.0

6 votes

/**
 * Creates a Rendertarget with a Texture that it renders the color buffer in
 * and a renderbuffer that it renders the depth to.
 * @param width the width
 * @param height the height
 * @return the newly created Rendertarget instance
*/
public static Rendertarget createRTTFramebuffer(int width, int height) {
	int old_framebuffer = GL11.glGetInteger(EXTFramebufferObject.GL_FRAMEBUFFER_BINDING_EXT);
	int old_texture = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D);
	Rendertarget buffer = new Rendertarget(width,height);
	buffer.bind();

	int fboTexture = buffer.textureID;
	GL11.glBindTexture(GL11.GL_TEXTURE_2D, fboTexture);
	GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, 4, width, height, 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_INT, (ByteBuffer) null);
	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);

	EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, buffer.depthBufferID);
	EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, GL11.GL_DEPTH_COMPONENT, width, height);
	EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT, buffer.depthBufferID);

	EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, fboTexture, 0);

	GL11.glBindTexture(GL11.GL_TEXTURE_2D, old_texture);
	EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, old_framebuffer);

	return buffer;
}

Example 7

Source File: Rendertarget.java From opsu with GNU General Public License v3.0

6 votes

/**
 * Creates a Rendertarget with a Texture that it renders the color buffer in
 * and a renderbuffer that it renders the depth to.
 * @param width the width
 * @param height the height
 * @return the newly created Rendertarget instance
*/
public static Rendertarget createRTTFramebuffer(int width, int height) {
	int old_framebuffer = GL11.glGetInteger(EXTFramebufferObject.GL_FRAMEBUFFER_BINDING_EXT);
	int old_texture = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D);
	Rendertarget buffer = new Rendertarget(width,height);
	buffer.bind();

	int fboTexture = buffer.textureID;
	GL11.glBindTexture(GL11.GL_TEXTURE_2D, fboTexture);
	GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, 4, width, height, 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_INT, (ByteBuffer) null);
	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);

	EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, buffer.depthBufferID);
	EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, GL11.GL_DEPTH_COMPONENT, width, height);
	EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT, buffer.depthBufferID);

	EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, fboTexture, 0);

	GL11.glBindTexture(GL11.GL_TEXTURE_2D, old_texture);
	EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, old_framebuffer);

	return buffer;
}

Example 8

Source File: ClientDynamicTexture.java From AdvancedRocketry with MIT License

6 votes

private void init() {
	//create array, every single pixel

	ByteBuffer buffer = BufferUtils.createByteBuffer(image.getHeight() * image.getWidth() * BYTES_PER_PIXEL);

	for(int i = 0; i < image.getHeight() * image.getWidth(); i++) {
			buffer.putInt(0x00000000);
	}
	buffer.flip();
	
	GL11.glBindTexture(GL11.GL_TEXTURE_2D, getTextureId());
	
	//Just clamp to edge
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);
	
	//Scale linearly
	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);
	
	GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
	
	GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA8, image.getWidth(), image.getHeight(), 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buffer);
}

Example 9

Source File: LWJGL15DrawContext.java From settlers-remake with MIT License

5 votes

/**
 * Sets the texture parameters, assuming that the texture was just created and is bound.
 */
private void setTextureParameters() {
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S,
			GL11.GL_CLAMP);
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T,
			GL11.GL_CLAMP);
	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);
}

Example 10

Source File: Texture.java From mapwriter with MIT License

5 votes

public void setTexParameters(int minFilter, int maxFilter, int textureWrap) {
	this.bind();
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, textureWrap);
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, textureWrap);
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, minFilter);
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, maxFilter);
}

Example 11

Source File: CurveRenderState.java From opsu with GNU General Public License v3.0

5 votes

/**
 * Backup the current state of the relevant OpenGL state and change it to
 * what's needed to draw the curve.
 */
private RenderState saveRenderState() {
	RenderState state = new RenderState();
	state.smoothedPoly = GL11.glGetBoolean(GL11.GL_POLYGON_SMOOTH);
	state.blendEnabled = GL11.glGetBoolean(GL11.GL_BLEND);
	state.depthEnabled = GL11.glGetBoolean(GL11.GL_DEPTH_TEST);
	state.depthWriteEnabled = GL11.glGetBoolean(GL11.GL_DEPTH_WRITEMASK);
	state.texEnabled = GL11.glGetBoolean(GL11.GL_TEXTURE_2D);
	state.oldProgram = GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM);
	state.oldArrayBuffer = GL11.glGetInteger(GL15.GL_ARRAY_BUFFER_BINDING);
	GL11.glDisable(GL11.GL_POLYGON_SMOOTH);
	GL11.glEnable(GL11.GL_BLEND);
	GL14.glBlendEquation(GL14.GL_FUNC_ADD);
	GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
	GL11.glEnable(GL11.GL_DEPTH_TEST);
	GL11.glDepthMask(true);
	GL11.glDisable(GL11.GL_TEXTURE_2D);
	GL11.glEnable(GL11.GL_TEXTURE_1D);
	GL11.glBindTexture(GL11.GL_TEXTURE_1D, staticState.gradientTexture);
	GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_LINEAR);
	GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
	GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);

	GL20.glUseProgram(0);

	GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);

	return state;
}

Example 12

Source File: CurveRenderState.java From opsu-dance with GNU General Public License v3.0

5 votes

/**
 * Backup the current state of the relevant OpenGL state and change it to
 * what's needed to draw the curve.
 */
private RenderState saveRenderState() {
	RenderState state = new RenderState();
	state.smoothedPoly = GL11.glGetBoolean(GL11.GL_POLYGON_SMOOTH);
	state.blendEnabled = GL11.glGetBoolean(GL11.GL_BLEND);
	state.depthEnabled = GL11.glGetBoolean(GL11.GL_DEPTH_TEST);
	state.depthWriteEnabled = GL11.glGetBoolean(GL11.GL_DEPTH_WRITEMASK);
	state.texEnabled = GL11.glGetBoolean(GL11.GL_TEXTURE_2D);
	state.texUnit = GL11.glGetInteger(GL13.GL_ACTIVE_TEXTURE);
	state.oldProgram = GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM);
	state.oldArrayBuffer = GL11.glGetInteger(GL15.GL_ARRAY_BUFFER_BINDING);
	GL11.glDisable(GL11.GL_POLYGON_SMOOTH);
	GL11.glDisable(GL11.GL_BLEND);
	GL11.glEnable(GL11.GL_DEPTH_TEST);
	GL11.glDepthMask(true);
	GL11.glDisable(GL11.GL_TEXTURE_2D);
	GL11.glEnable(GL11.GL_TEXTURE_1D);
	GL11.glBindTexture(GL11.GL_TEXTURE_1D, staticState.gradientTexture);
	GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_LINEAR);
	GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
	GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);

	GL20.glUseProgram(0);

	GL11.glMatrixMode(GL11.GL_PROJECTION);
	GL11.glPushMatrix();
	GL11.glLoadIdentity();
	GL11.glMatrixMode(GL11.GL_MODELVIEW);
	GL11.glPushMatrix();
	GL11.glLoadIdentity();

	return state;
}

Example 13

Source File: TextureUtils.java From OpenGL-Animation with The Unlicense

5 votes

protected static int loadTextureToOpenGL(TextureData data, TextureBuilder builder) {
	int texID = GL11.glGenTextures();
	GL13.glActiveTexture(GL13.GL_TEXTURE0);
	GL11.glBindTexture(GL11.GL_TEXTURE_2D, texID);
	GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
	GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, data.getWidth(), data.getHeight(), 0, GL12.GL_BGRA,
			GL11.GL_UNSIGNED_BYTE, data.getBuffer());
	if (builder.isMipmap()) {
		GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_LINEAR);
		if (builder.isAnisotropic() && GLContext.getCapabilities().GL_EXT_texture_filter_anisotropic) {
			GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL14.GL_TEXTURE_LOD_BIAS, 0);
			GL11.glTexParameterf(GL11.GL_TEXTURE_2D, EXTTextureFilterAnisotropic.GL_TEXTURE_MAX_ANISOTROPY_EXT,
					4.0f);
		}
	} else if (builder.isNearest()) {
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
	} else {
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
	}
	if (builder.isClampEdges()) {
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);
	} else {
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
	}
	GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
	return texID;
}

Example 14

Source File: Texture.java From mapwriter with MIT License

5 votes

public void setLinearScaling(boolean enabled) {
	this.bind();
	if (enabled) {
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
	} else {
		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);
	}
}

Example 15

Source File: OpenGL3_TheQuadTextured.java From ldparteditor with MIT License

4 votes

private int loadPNGTexture(String filename, int textureUnit) {
    ByteBuffer buf = null;
    int tWidth = 0;
    int tHeight = 0;
     
    try {
        // Open the PNG file as an InputStream
        InputStream in = new FileInputStream(filename);
        // Link the PNG decoder to this stream
        PNGDecoder decoder = new PNGDecoder(in);
         
        // Get the width and height of the texture
        tWidth = decoder.getWidth();
        tHeight = decoder.getHeight();
         
         
        // Decode the PNG file in a ByteBuffer
        buf = ByteBuffer.allocateDirect(
                4 * decoder.getWidth() * decoder.getHeight());
        decoder.decode(buf, decoder.getWidth() * 4, Format.RGBA);
        buf.flip();
         
        in.close();
    } catch (IOException e) {
        e.printStackTrace();
        System.exit(-1);
    }
     
    // Create a new texture object in memory and bind it
    int texId = GL11.glGenTextures();
    GL13.glActiveTexture(textureUnit);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texId);
     
    // All RGB bytes are aligned to each other and each component is 1 byte
    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
     
    // Upload the texture data and generate mip maps (for scaling)
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, tWidth, tHeight, 0, 
            GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buf);
    GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
     
    // Setup the ST coordinate system
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
     
    // Setup what to do when the texture has to be scaled
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, 
            GL11.GL_NEAREST);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, 
            GL11.GL_LINEAR_MIPMAP_LINEAR);
     
    this.exitOnGLError("loadPNGTexture");
     
    return texId;
}

Example 16

Source File: SlytherClient.java From Slyther with MIT License

4 votes

@Override
public void run() {
    double delta = 0;
    long previousTime = System.nanoTime();
    long timer = System.currentTimeMillis();
    int ups = 0;
    double nanoUpdates = 1000000000.0 / 30.0;

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glShadeModel(GL11.GL_SMOOTH);
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    GL11.glDisable(GL11.GL_LIGHTING);

    GL11.glClearColor(0.0F, 0.0F, 0.0F, 0.0F);
    GL11.glClearDepth(1);

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    setupDisplay();

    boolean doResize = false;

    while (!Display.isCloseRequested()) {
        if (Display.wasResized() && doResize) {
            setupDisplay();
        }
        doResize = true;

        long currentTime = System.nanoTime();
        double currentTickDelta = (currentTime - previousTime) / nanoUpdates;
        delta += currentTickDelta;
        frameDelta = (frameDelta + currentTickDelta) % 1.0;
        previousTime = currentTime;

        while (delta >= 1) {
            update();
            renderHandler.update();
            delta--;
            ups++;
        }

        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
        GL11.glPushMatrix();

        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);

        renderHandler.render();

        fps++;

        if (System.currentTimeMillis() - timer > 1000) {
            int bytesPerSecond = 0;
            int packetsPerSecond = 0;
            if (networkManager != null) {
                bytesPerSecond = networkManager.bytesPerSecond;
                packetsPerSecond = networkManager.packetsPerSecond;
                networkManager.bytesPerSecond = 0;
                networkManager.packetsPerSecond = 0;
            }
            Display.setTitle("Slyther - FPS: " + fps + " - UPS: " + ups + " - BPS: " + bytesPerSecond + " - PPS: " + packetsPerSecond);
            fps = 0;

            timer += 1000;
            ups = 0;
        }

        GL11.glPopMatrix();
        Display.sync(60);
        Display.update();
    }
    if (networkManager != null && networkManager.isOpen()) {
        networkManager.closeConnection(ClientNetworkManager.SHUTDOWN_CODE, "");
    }
    try {
        ConfigHandler.INSTANCE.saveConfig(CONFIGURATION_FILE, configuration);
    } catch (IOException e) {
        Log.error("Failed to save config");
        Log.catching(e);
    }
    Display.destroy();
}

Example 17

Source File: LwjglTextureUtils.java From tectonicus with BSD 3-Clause "New" or "Revised" License

4 votes

public static int createTexture(BufferedImage[] mips, TextureFilter filterMode)
{
	IntBuffer buff = BufferUtils.createIntBuffer(16);
	buff.limit(1);
	GL11.glGenTextures(buff);
	
	int textureId = buff.get();
	
	GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
	if (filterMode == TextureFilter.NEAREST)
	{
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_LINEAR);
	}
	else
	{
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_LINEAR);
	}
	
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);
	
	for (int mip=0; mip<mips.length; mip++)
	{
		BufferedImage imageData = mips[mip];
		imageData = convertToGlFormat(imageData);
		
		ByteBuffer scratch = ByteBuffer.allocateDirect(4*imageData.getWidth()*imageData.getHeight());

		Raster raster = imageData.getRaster();
		byte data[] = (byte[])raster.getDataElements(0, 0, imageData.getWidth(), imageData.getHeight(), null);
		scratch.clear();
		scratch.put(data);
		scratch.rewind();
		
		GL11.glTexImage2D(GL11.GL_TEXTURE_2D, mip, GL11.GL_RGBA,				// Mip level & Internal format
							imageData.getWidth(), imageData.getHeight(), 0,		// width, height, border
							GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE,				// pixel data format
							scratch);											// pixel data
		
	//	GL11.glTexSubImage2D(GL11.GL_TEXTURE_2D, 0,
	//			0, 0,
	//			imageData.getWidth(), imageData.getHeight(),
	//			GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE,			// format, type
	//			scratch);
	}
	
	return textureId;
}

Example 18

Source File: LwjglTextureUtils.java From tectonicus with BSD 3-Clause "New" or "Revised" License

4 votes

public static int createTexture(BufferedImage imageData, TextureFilter filterMode)
{
	imageData = convertToGlFormat(imageData);
	
	IntBuffer buff = BufferUtils.createIntBuffer(16);
	buff.limit(1);
	GL11.glGenTextures(buff);
	
	int textureId = buff.get();
	
	GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
	if (filterMode == TextureFilter.NEAREST)
	{
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
	}
	else
	{
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
	}
	
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
	GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);
	
	ByteBuffer scratch = ByteBuffer.allocateDirect(4*imageData.getWidth()*imageData.getHeight());

	Raster raster = imageData.getRaster();
	byte data[] = (byte[])raster.getDataElements(0, 0, imageData.getWidth(), imageData.getHeight(), null);
	scratch.clear();
	scratch.put(data);
	scratch.rewind();
	
	GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA,					// Mip level & Internal format
						imageData.getWidth(), imageData.getHeight(), 0,		// width, height, border
						GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE,				// pixel data format
						scratch);											// pixel data
	
	GL11.glTexSubImage2D(GL11.GL_TEXTURE_2D, 0,
			0, 0,
			imageData.getWidth(), imageData.getHeight(),
			GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE,			// format, type
			scratch);
	
	return textureId;
}

Example 19

Source File: ImmediateModeOGLRenderer.java From slick2d-maven with BSD 3-Clause "New" or "Revised" License

4 votes

/**
 * @see org.newdawn.slick.opengl.renderer.SGL#glTexParameteri(int, int, int)
 */
public void glTexParameteri(int target, int param, int value) {
	GL11.glTexParameteri(target, param, value);
}

Example 20

Source File: TrueTypeFont.java From ForbiddenMagic with Do What The F*ck You Want To Public License

4 votes

public static int loadImage(BufferedImage bufferedImage) {
    try {
	    short width       = (short)bufferedImage.getWidth();
	    short height      = (short)bufferedImage.getHeight();
	    //textureLoader.bpp = bufferedImage.getColorModel().hasAlpha() ? (byte)32 : (byte)24;
	    int bpp = (byte)bufferedImage.getColorModel().getPixelSize();
	    ByteBuffer byteBuffer;
	    DataBuffer db = bufferedImage.getData().getDataBuffer();
	    if (db instanceof DataBufferInt) {
	    	int intI[] = ((DataBufferInt)(bufferedImage.getData().getDataBuffer())).getData();
	    	byte newI[] = new byte[intI.length * 4];
	    	for (int i = 0; i < intI.length; i++) {
	    		byte b[] = intToByteArray(intI[i]);
	    		int newIndex = i*4;

	    		newI[newIndex]   = b[1];
	    		newI[newIndex+1] = b[2];
	    		newI[newIndex+2] = b[3];
	    		newI[newIndex+3] = b[0];
	    	}

	    	byteBuffer  = ByteBuffer.allocateDirect(
	    			width*height*(bpp/8))
		                           .order(ByteOrder.nativeOrder())
		                            .put(newI);
	    } else {
	    	byteBuffer  = ByteBuffer.allocateDirect(
	    			width*height*(bpp/8))
		                           .order(ByteOrder.nativeOrder())
		                            .put(((DataBufferByte)(bufferedImage.getData().getDataBuffer())).getData());
	    }
	    byteBuffer.flip();


	    int internalFormat = GL11.GL_RGBA8,
		format = GL11.GL_RGBA;
		IntBuffer   textureId =  BufferUtils.createIntBuffer(1);;
		GL11.glGenTextures(textureId);
		GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId.get(0));

		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);


		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
		GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
		//GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
		//GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_NEAREST);

		//GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_LINEAR);
		//GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_LINEAR);
		//GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_NEAREST);

		GL11.glTexEnvf(GL11.GL_TEXTURE_ENV, GL11.GL_TEXTURE_ENV_MODE, GL11.GL_MODULATE);

		GLU.gluBuild2DMipmaps(GL11.GL_TEXTURE_2D, internalFormat, width, height, format, GL11.GL_UNSIGNED_BYTE, byteBuffer);
		return textureId.get(0);

	} catch (Exception e) {
    	e.printStackTrace();
    	System.exit(-1);
    }

	return -1;
}