glsl

相关标签：javascript jquery android 多少钱 iPhone

Cannot access previously rendered texture from shader in OpenGL

I have an OpenGL program in which I am doing some augmented reality work. It works in 2 passes. First, it renders a frame using standard OpenGL calls. Next, it compares a frame from the camera to the[详细]

2023-03-30 11:31 分类：问答
Matrix components and dot product

I have the following GLSL code: uniform mat3x3 rgb2xyz = mat3x3( vec3(DEFAULT_RGB2XYZ_XR, DEFAULT_RGB2XYZ_XG, DEFAULT_RGB2XYZ_XB),[详细]

2023-03-30 06:25 分类：问答
In glsl, what is the formula used to compute gl_fragCoord from gl_position?

Please correct me if I\'m wrong. When using vertex and pixel shaders, we usually provide the code to compute the output gl_position of the vertex shader.[详细]

2023-03-29 20:16 分类：问答
Pass a Qt QImage to a glsl texture sampler

I am writing a rendering engine using Qt and am running into problems with texturing my models I have a very simple shader to test texturing:[详细]

2023-03-28 00:17 分类：问答
Ensure GLSL compatibility

How can ensure that GLSL shaders are compatible with most modern cards? I\'ve got a software where I use GLSL code from here. But even though I\'ve added #version 120 to the beginning of my final sha[详细]

2023-03-27 13:18 分类：问答
Profile GLSL fragment shader on Mac OS X?

How can I profile a GLSL fragm开发者_JAVA技巧ent shader? I\'m using Mac OS X.[详细]

2023-03-27 12:25 分类：问答
OpenGL 2.0 vs GL_ARB_vertex_program

I\'m confused about the real differences, if any, between the shader APIs integrated into the GL standard as of GL 2.0, and the shader API in the GL_ARB_vertex_program extension (and friends).[详细]

2023-03-27 09:35 分类：问答
OpenGl es 2.0 GLSL fragmentColor multiple textures

I am rendering frame, fragment color is based on two textures, i woudl开发者_开发技巧 like to increment value of one of textures in one pass, i mean can i run one program on two framebuffers in one pa[详细]

2023-03-26 13:22 分类：问答
OpenGL / GLSL - using glShaderSource with multiple source to support include files

Since GLSL doesn\'t have an include-file option I\'m trying to add this by using a \"#pragma include\" parser.(I want this because I have some generic methods I\'d like to implement only once but migh[详细]

2023-03-25 13:06 分类：问答
Use of glBindAttribLocation function in OpenGL ES

I dont get the use of glBindAttribLocation function in OpenGL ES 2.0 Can some one give me the full context ? Is it something like[详细]

2023-03-24 01:47 分类：问答