Apple

On Oct 23, 2013 12:00 PM, "Darrin Cardani" <email@hidden> wrote:

Ardo,

In the call the glBindTexture(), you're using GL_TEXTURE_2D as the target, but the texture returned by -[parmsApi getTexture:::::] will (currently) always have a target of GL_TEXTURE_RECTANGLE_ARB. You should ask the texture for its target, if you need it, but in this case, you might not even need it. You can just tell the texture to bind:

[linkedTexture bind];

and it will do the right thing. If you need to pass the target to some other method, you can call

[linkedTexture target];

Also, I don't understand why you're calling glTexImage2D(). The texture will already have data in it and will be the right width and height. What are you trying to accomplish there?

Darrin

On Oct 23, 2013, at 11:44 AM, Ardo Avancena <email@hidden> wrote:

I'm trying to link an use an image from the media and fill it with the shape I drew.

//I first take the texture in the parameter
[parmsApi getTexture:&linkedTexture

  layerOffsetX:NULL
  layerOffsetY:NULL
     requestInfo:linkedImageRenderInfo
  fromParm:imageReferenceID

  atTime:renderInfo.frame];

GLuint imageTexture = [linkedTexture textureId];

**The compound points is GLFloat[4][4][3]; it was quite big but this creates a square I can use bezier.

GLfloat texpts[2][2][2] = {{{0.0, 0.0}, {0.0, 1.0}},
{{1.0, 0.0}, {1.0, 1.0}}};

glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4,
0, 1, 12, 4, &compoundPoints[0][0][0]);

glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2,
0, 1, 4, 2, &texpts[0][0][0]);

glEnable(GL_MAP2_TEXTURE_COORD_2);
glEnable(GL_MAP2_VERTEX_3);
glMapGrid2f(20, 0.0, 1.0, 20, 0.0, 1.0);

//Then I try to bind it the texture I got from the parameter and load the texImage2D

glBindTexture(GL_TEXTURE_2D, imageTexture);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,

GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,

  GL_NEAREST);

glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA_FLOAT16_APPLE, [linkedTexture width], [linkedTexture height], 0, GL_RGB, GL_UNSIGNED_BYTE, 0);

When I do this, I get a square with weird pictures.

Also is there an example included in FxPlug that shows how to create a published parameter that can be carried over to FCPX?

Thanks!

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References:
	>Using image to fill shape and Published parameters (From: Ardo Avancena <email@hidden>)
	>Re: Using image to fill shape and Published parameters (From: Darrin Cardani <email@hidden>)
	>Re: Using image to fill shape and Published parameters (From: Ardo Avancena <email@hidden>)