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2014/10/16 ¤W¤È 08:27:25
android Programming Glossary: vpositionIs Google's Android OpenGL tutorial teaching incorrect linear algebra? http://stackoverflow.com/questions/11925647/is-googles-android-opengl-tutorial-teaching-incorrect-linear-algebra must be included as a modifier of gl_Position gl_Position vPosition uMVPMatrix Adding this all together we get gl_Position vPosition.. uMVPMatrix Adding this all together we get gl_Position vPosition mRotation mProjection mView Which is not correct by any stretch.. the shader code should be reversed gl_Position uMVPMatrix vPosition As to the application of the rotation matrix the order of the..
OpenGL ES Android Matrix Transformations http://stackoverflow.com/questions/13480043/opengl-es-android-matrix-transformations this vertex shader uniform mat4 uMVPMatrix attribute vec4 vPosition void main the matrix must be included as a modifier of gl_Position.. as a modifier of gl_Position gl_Position uMVPMatrix vPosition public void draw float mvpMatrix Add program to OpenGL environment.. GLES20.glUseProgram mProgram get handle to vertex shader's vPosition member mPositionHandle GLES20.glGetAttribLocation mProgram vPosition..
What is the easiest way to draw line using OpenGL-ES (android) http://stackoverflow.com/questions/16027455/what-is-the-easiest-way-to-draw-line-using-opengl-es-android this vertex shader uniform mat4 uMVPMatrix attribute vec4 vPosition void main the matrix must be included as a modifier of gl_Position.. as a modifier of gl_Position gl_Position uMVPMatrix vPosition private final String FragmentShaderCode precision mediump float.. GlProgram get handle to vertex shader's vPosition member PositionHandle GLES20.glGetAttribLocation GlProgram vPosition..
Is Opengl Development GPU Dependant? http://stackoverflow.com/questions/17229066/is-opengl-development-gpu-dependant class Lines final String vertexShaderCode attribute vec4 vPosition void main gl_Position vPosition final String fragmentShaderCode.. attribute vec4 vPosition void main gl_Position vPosition final String fragmentShaderCode precision mediump float uniform.. GLES20.glUseProgram mProgram get handle to vertex shader's vPosition member mPositionHandle GLES20.glGetAttribLocation mProgram vPosition..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails maPositionHandle GLES20.glGetAttribLocation mProgram vPosition gvTexCoordHandle GLES20.glGetAttribLocation mProgram a_texCoord..
Is Google's Android OpenGL tutorial teaching incorrect linear algebra? http://stackoverflow.com/questions/11925647/is-googles-android-opengl-tutorial-teaching-incorrect-linear-algebra in their shader a vector matrix multiplication the matrix must be included as a modifier of gl_Position gl_Position vPosition uMVPMatrix Adding this all together we get gl_Position vPosition mRotation mProjection mView Which is not correct by any.. be included as a modifier of gl_Position gl_Position vPosition uMVPMatrix Adding this all together we get gl_Position vPosition mRotation mProjection mView Which is not correct by any stretch of my imagination. Is there any explanation that I'm not.. code is incorrect. Specifically the order of the factors in the shader code should be reversed gl_Position uMVPMatrix vPosition As to the application of the rotation matrix the order of the factors should also be reversed so that the rotation is the..
OpenGL ES Android Matrix Transformations http://stackoverflow.com/questions/13480043/opengl-es-android-matrix-transformations a hook to manipulate the coordinates of the objects that use this vertex shader uniform mat4 uMVPMatrix attribute vec4 vPosition void main the matrix must be included as a modifier of gl_Position gl_Position uMVPMatrix vPosition public void draw float.. attribute vec4 vPosition void main the matrix must be included as a modifier of gl_Position gl_Position uMVPMatrix vPosition public void draw float mvpMatrix Add program to OpenGL environment GLES20.glUseProgram mProgram get handle to vertex shader's.. void draw float mvpMatrix Add program to OpenGL environment GLES20.glUseProgram mProgram get handle to vertex shader's vPosition member mPositionHandle GLES20.glGetAttribLocation mProgram vPosition Enable a handle to the triangle vertices GLES20.glEnableVertexAttribArray..
What is the easiest way to draw line using OpenGL-ES (android) http://stackoverflow.com/questions/16027455/what-is-the-easiest-way-to-draw-line-using-opengl-es-android a hook to manipulate the coordinates of the objects that use this vertex shader uniform mat4 uMVPMatrix attribute vec4 vPosition void main the matrix must be included as a modifier of gl_Position gl_Position uMVPMatrix vPosition private final String.. attribute vec4 vPosition void main the matrix must be included as a modifier of gl_Position gl_Position uMVPMatrix vPosition private final String FragmentShaderCode precision mediump float uniform vec4 vColor void main gl_FragColor vColor protected.. draw float mvpMatrix Add program to OpenGL ES environment GLES20.glUseProgram GlProgram get handle to vertex shader's vPosition member PositionHandle GLES20.glGetAttribLocation GlProgram vPosition Enable a handle to the triangle vertices GLES20.glEnableVertexAttribArray..
Is Opengl Development GPU Dependant? http://stackoverflow.com/questions/17229066/is-opengl-development-gpu-dependant 2 0.1f 100f Line.java Line class to draw line public class Lines final String vertexShaderCode attribute vec4 vPosition void main gl_Position vPosition final String fragmentShaderCode precision mediump float uniform vec4 vColor void main gl_FragColor.. class to draw line public class Lines final String vertexShaderCode attribute vec4 vPosition void main gl_Position vPosition final String fragmentShaderCode precision mediump float uniform vec4 vColor void main gl_FragColor vColor final FloatBuffer.. vertexBuffer.position 0 Add program to OpenGL environment GLES20.glUseProgram mProgram get handle to vertex shader's vPosition member mPositionHandle GLES20.glGetAttribLocation mProgram vPosition Enable a handle to the triangle vertices GLES20.glEnableVertexAttribArray..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails mProgram creates OpenGL program executables get handles maPositionHandle GLES20.glGetAttribLocation mProgram vPosition gvTexCoordHandle GLES20.glGetAttribLocation mProgram a_texCoord gvSamplerHandle GLES20.glGetAttribLocation mProgram s_texture..
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