fragment-shader

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Why same fragment shader gives different results on different android phones?

I am trying to implement a blur filter with OpenGL ES 2.0 on Android. Here is the code i am using: varying highp vec2 fragTexCoord;[详细]

2023-04-04 15:22 分类：问答
gl_fragColor with multiple textures

I currently have two textures being applied to a single object.Eventually there will be a couple more added to that, but I am having trouble getting the current two to work properly.[详细]

2023-04-01 12:24 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
How to create a high-resolution offscreen fragment shader?

I figured out my fragment shader is limited to the pixel dimensions of the OpenGL ES viewport. Could I create an \"offscreen fragment shader\" or rendering environment which has 开发者_JAVA百科a lot[详细]

2023-03-23 12:08 分类：问答
How can a fragment shader use the color values of the previously rendered frame?

I am learning to use shaders in OpenGL ES. As an example: Here\'s my playground fragment shader which takes the current video frame and makes it grayscale:[详细]

2023-03-22 14:01 分类：问答
Smooth points OpenGL ES 2.0 using shaders

I am drawing 开发者_C百科some points using glDrawArrays(GL_POINTS, ...) and I would like to make them smooth round points instead of the squares. I know that there is no fixed function pipeline in Ope[详细]

2023-03-21 17:47 分类：问答
OpenGl Fragment Shader Texture Speed

I have the following fragment shader. varying highp vec2 tCoord; void main() { vec4 hc = texture2D(hair, tCoord);[详细]

2023-03-14 17:35 分类：问答
Why the following will drag the performance of Fragment Shader (Open GL ES 2.0)

I have the following code in the Fragment Shader: precision lowp float; varying vec2 v_texCoord; uniform sampler2D s_texture;[详细]

2023-03-03 05:19 分类：问答
GLSL: vertex shader to fragment shader without varing

How to transfer data from vertex shader to fragment shader without changes? I need to say to the vertex p开发者_运维知识库ixels that they have this color. This color I can obtain only in the vertex sh[详细]

2023-03-02 18:19 分类：问答
GLSL: Which is more optimal? Ping-ponging with loops on the CPU or loops in the fragment shader?

I have a fragment shader which is doing a for loop with the number of passes passed in as a uniform int variabl开发者_运维百科e.[详细]

2023-03-01 22:15 分类：问答