View Profile: debonair - OpenGL Discussion and Help Forums

Yesterday, 11:08 PM

debonair replied to a thread Multisample textures in OpenGL coding: beginners

yes. Vertex shader: in vec3 inputtexcoord; in vec3 tk_position; out vec3 ps_texCoord; uniform mat4 tk_mvpMatrix; void main(void) {

21 replies | 938 view(s)

01-02-2013, 11:43 PM

debonair replied to a thread Multisample textures in OpenGL coding: beginners

GLfloat tex_coords={ 0.0, 0.0,0.0, 1.0, 0.0,1.0, 1.0, 1.0,1.0, 0.0, 1.0,0.0, 0.0, 0.0,0.0, 1.0, 0.0,1.0, ...

21 replies | 938 view(s)

01-02-2013, 05:31 AM

debonair replied to a thread Multisample textures in OpenGL coding: beginners

I am rendering a cube on non default FBO and creating a multisampled texture attached to this FBO. Now, i am applying this multisampled texture on a...

21 replies | 938 view(s)

01-02-2013, 02:48 AM

debonair replied to a thread Multisample textures in OpenGL coding: beginners

ohh. Thanks for pointing out. Now, i am rendering white cube with green background in non default FBO and attaching the created multisampled...

21 replies | 938 view(s)

01-01-2013, 11:38 PM

debonair replied to a thread Multisample textures in OpenGL coding: beginners

Now, if i choose to do it manually in shader with 4 samples, my shader will be: uniform sampler2DMS tk_diffuseMap; in vec3 ps_texCoord; out...

21 replies | 938 view(s)

01-01-2013, 12:30 PM

debonair replied to a thread Multisample textures in OpenGL coding: beginners

so, i should pass 3rd parameter as 0 ? and if i want "per-sample rasterization" then ?

21 replies | 938 view(s)

01-01-2013, 09:26 AM

debonair replied to a thread Multisample textures in OpenGL coding: beginners

Thanks for the reply.. as gl_samplerID is supported on after 4.0 versions, what would replace it?

21 replies | 938 view(s)

12-27-2012, 02:44 AM

debonair replied to a thread Multisample textures in OpenGL coding: beginners

i want to use multisampled textures. What will be the fragment shader and how to pass multiple samplers to shader? Also, which API can be used...

21 replies | 938 view(s)

12-27-2012, 02:26 AM

debonair started a thread glFramebufferTexture2D gives corruption with cube map textures in OpenGL coding: advanced

I am using glFramebufferTexture2D with cube map textures but it gives corruption in texture. draw_cube() function works perfectly when i draw that...

0 replies | 144 view(s)

12-26-2012, 11:41 PM

debonair replied to a thread Multisample textures in OpenGL coding: beginners

Thanks for the reply. But the code you have provided is for multi-texturing and not multisample texture :)

21 replies | 938 view(s)

12-26-2012, 12:22 AM

debonair replied to a thread Multisample textures in OpenGL coding: beginners

i am going to use shaders.

21 replies | 938 view(s)

12-25-2012, 11:28 AM

debonair replied to a thread Sampler variable for SNORM textures in OpenGL coding: beginners

Sorry it was driver bug. It works perfectly with GL_byte and "sampler"

5 replies | 460 view(s)

12-25-2012, 11:27 AM

debonair started a thread Multisample textures in OpenGL coding: beginners

I read some pages on google but still confused about working of multisample textures. Can anyone explain this concept? If possible please explain it...

21 replies | 938 view(s)

12-12-2012, 07:21 AM

debonair started a thread Problem with glTexSubImage3D() and GL_TEXTURE_2D_ARRAY in OpenGL coding: advanced

I am trying to use gltexsubimage3D with the cube. When i use target as GL_texture_2D_array i get some weird o/p, however same code works fine with...

0 replies | 241 view(s)

12-12-2012, 02:34 AM

debonair replied to a thread Sampler variable for SNORM textures in OpenGL coding: beginners

I checked for GL_ERROR also verified my texcords. It works fine when i use GL_RGBA instead of snorm textures so their is problem with shader only. ...

5 replies | 460 view(s)

12-12-2012, 02:05 AM

debonair started a thread Problem with glTexSubImage3D() and GL_TEXTURE_2D_ARRAY in OpenGL coding: beginners

I am trying to use gltexsubimage3D with the cube. When i use target as GL_texture_2D_array i get some weird o/p, however same code works fine with...

0 replies | 182 view(s)

12-12-2012, 02:02 AM

debonair replied to a thread Sampler variable for SNORM textures in OpenGL coding: beginners

I am using GL_byte as texture data type alongwith "sampler2DArray" variable. I tried with "isampler" variable too but did not get expected o/p. ...

5 replies | 460 view(s)

12-10-2012, 06:13 AM

debonair started a thread Sampler variable for SNORM textures in OpenGL coding: beginners

What will be the fragment shader for SNORM textures? If i want to use GL_TEXTURE_2D_ARRAY as a target then which type of sampler variable should be...

5 replies | 460 view(s)

12-07-2012, 06:40 AM

debonair replied to a thread Unexpected behaviour with glFramebufferTexture1D in OpenGL coding: beginners

when i change WIDTH=HEIGHT=2, and call a glreadpixels with height, width equal to 4 in draw_cube() i can see first 2 pixels with white color, next...

6 replies | 460 view(s)

12-07-2012, 05:20 AM

debonair replied to a thread Unexpected behaviour with glFramebufferTexture1D in OpenGL coding: beginners

#define WIDTH 3 #define HEIGHT 3 GLfloat vertices8={ 1.0f,1.0f,1.0f, -1.0f,1.0f,1.0f, -1.0f,-1.0f,1.0f, 1.0f,-1.0f,1.0f,//face 1 ...

6 replies | 460 view(s)

12-07-2012, 03:29 AM

debonair replied to a thread Unexpected behaviour with glFramebufferTexture1D in OpenGL coding: beginners

default FBO is glBindFramebuffer(GL_FRAMEBUFFER, 0) #define WIDTH 8 #define HEIGHT 8 GLfloat vertices8={ 1.0f,1.0f,1.0f,

6 replies | 460 view(s)

12-07-2012, 03:01 AM

safaaza posted a visitor message on safaaza's profile

i neded help in my hw please hwo can help me

12-07-2012, 12:41 AM

debonair started a thread Unexpected behaviour with glFramebufferTexture1D in OpenGL coding: beginners

I am using render to texture concept with glFramebufferTexture1D. I am drawing a cube on non-default FBO with all the vertices as -1,1 (maximum) in X...

6 replies | 460 view(s)

12-05-2012, 12:26 PM

safaaza replied to a thread Texture doesn't appear properly in OpenGL Shading Language

i apologize ,,i dont know how to open new one thats y i asked u both to help me frome here realy sorry

19 replies | 1101 view(s)

12-05-2012, 12:18 PM

safaaza replied to a thread Texture doesn't appear properly in OpenGL Shading Language

need comment and what each function do

19 replies | 1101 view(s)