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2014/10/16 ¤W¤È 08:14:18
android Programming Glossary: gles20.gl_texture_2dFramebuffer FBO render to texture is very slow, using OpenGL ES 2.0 on Android, why? http://stackoverflow.com/questions/10729352/framebuffer-fbo-render-to-texture-is-very-slow-using-opengl-es-2-0-on-android 1 renderTex offset GLES20.glBindTexture GLES20.GL_TEXTURE_2D renderTex offset GLES20.glTexImage2D GLES20.GL_TEXTURE_2D 0.. GLES20.GL_TEXTURE_2D renderTex offset GLES20.glTexImage2D GLES20.GL_TEXTURE_2D 0 GLES20.GL_RGBA screenWidth screenHeight 0 GLES20.GL_RGBA.. GLES20.GL_UNSIGNED_BYTE null GLES20.glTexParameteri GLES20.GL_TEXTURE_2D GLES20.GL_TEXTURE_WRAP_S GLES20.GL_CLAMP_TO_EDGE GLES20.glTexParameteri..
YUV to RGB conversion by fragment shader http://stackoverflow.com/questions/12130790/yuv-to-rgb-conversion-by-fragment-shader method GLES20.glUniform1i yTexture 1 GLES20.glTexImage2D GLES20.GL_TEXTURE_2D 0 GLES20.GL_LUMINANCE 320 240 0 GLES20.GL_LUMINANCE GLES20.GL_UNSIGNED_BYTE.. GLES20.GL_UNSIGNED_BYTE yBuffer GLES20.glTexParameteri GLES20.GL_TEXTURE_2D GLES20.GL_TEXTURE_MIN_FILTER GLES20.GL_LINEAR GLES20.glTexParameteri.. GLES20.GL_LINEAR GLES20.glTexParameteri GLES20.GL_TEXTURE_2D GLES20.GL_TEXTURE_MAG_FILTER GLES20.GL_LINEAR GLES20.glUniform1i..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails GLES20.GL_TEXTURE0 GLES20.glBindTexture GLES20.GL_TEXTURE_2D camera_texture 0 GLES20.glUniform1i gvSamplerHandle 0 Draw the..
Framebuffer FBO render to texture is very slow, using OpenGL ES 2.0 on Android, why? http://stackoverflow.com/questions/10729352/framebuffer-fbo-render-to-texture-is-very-slow-using-opengl-es-2-0-on-android depthRb offset Create a texture to hold the frame buffer GLES20.glGenTextures 1 renderTex offset GLES20.glBindTexture GLES20.GL_TEXTURE_2D renderTex offset GLES20.glTexImage2D GLES20.GL_TEXTURE_2D 0 GLES20.GL_RGBA screenWidth screenHeight 0 GLES20.GL_RGBA GLES20.GL_UNSIGNED_BYTE.. GLES20.glGenTextures 1 renderTex offset GLES20.glBindTexture GLES20.GL_TEXTURE_2D renderTex offset GLES20.glTexImage2D GLES20.GL_TEXTURE_2D 0 GLES20.GL_RGBA screenWidth screenHeight 0 GLES20.GL_RGBA GLES20.GL_UNSIGNED_BYTE null GLES20.glTexParameteri GLES20.GL_TEXTURE_2D.. 0 GLES20.GL_RGBA screenWidth screenHeight 0 GLES20.GL_RGBA GLES20.GL_UNSIGNED_BYTE null GLES20.glTexParameteri GLES20.GL_TEXTURE_2D GLES20.GL_TEXTURE_WRAP_S GLES20.GL_CLAMP_TO_EDGE GLES20.glTexParameteri GLES20.GL_TEXTURE_2D GLES20.GL_TEXTURE_WRAP_T ..
YUV to RGB conversion by fragment shader http://stackoverflow.com/questions/12130790/yuv-to-rgb-conversion-by-fragment-shader is how I bind byte arrays to OpenGL texture in onDrawFrame method GLES20.glUniform1i yTexture 1 GLES20.glTexImage2D GLES20.GL_TEXTURE_2D 0 GLES20.GL_LUMINANCE 320 240 0 GLES20.GL_LUMINANCE GLES20.GL_UNSIGNED_BYTE yBuffer GLES20.glTexParameteri GLES20.GL_TEXTURE_2D.. 0 GLES20.GL_LUMINANCE 320 240 0 GLES20.GL_LUMINANCE GLES20.GL_UNSIGNED_BYTE yBuffer GLES20.glTexParameteri GLES20.GL_TEXTURE_2D GLES20.GL_TEXTURE_MIN_FILTER GLES20.GL_LINEAR GLES20.glTexParameteri GLES20.GL_TEXTURE_2D GLES20.GL_TEXTURE_MAG_FILTER GLES20.GL_LINEAR.. GLES20.glTexParameteri GLES20.GL_TEXTURE_2D GLES20.GL_TEXTURE_MIN_FILTER GLES20.GL_LINEAR GLES20.glTexParameteri GLES20.GL_TEXTURE_2D GLES20.GL_TEXTURE_MAG_FILTER GLES20.GL_LINEAR GLES20.glUniform1i uTexture 2 GLES20.glTexImage2D GLES20.GL_TEXTURE_2D 0 GLES20.GL_LUMINANCE..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails GLES20.glEnableVertexAttribArray gvTexCoordHandle GLES20.glActiveTexture GLES20.GL_TEXTURE0 GLES20.glBindTexture GLES20.GL_TEXTURE_2D camera_texture 0 GLES20.glUniform1i gvSamplerHandle 0 Draw the triangle GLES20.glDrawArrays GLES20.GL_TRIANGLE_STRIP 0 4..
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