Hi,
I am trying to put a background image with an object in front of it. The object uses a bump mapping shader. This is my Variable init code:
glActiveTextureARB(GL_TEXTURE0_ARB);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,glptex);
glActiveTextureARB(GL_TEXTURE1_ARB);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,glpl3d);
glActiveTextureARB(GL_TEXTURE2_ARB);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,backg);
This is the code i use to draw the background:
glUseProgramObjectARB(0);
glDisable(GL_VERTEX_PROGRAM_ARB);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,backg);
glBegin(GL_QUADS);
glNormal3f(0,0,1);
glColor3f(1.0,1.0,1.0);
glTexcoord2f(0,0);
glvertex3f(-1,-1,0);
glTexcoord2f(1,0);
glvertex3f(1,-1,0);
glTexcoord2f(1,1);
glvertex3f(1,1,0);
glTexcoord2f(0,1);
glvertex3f(-1,1,0);
glEnd;
glUseProgramObjectARB(ProgramObject);
The shader works with my object but the background is PURPLE??
The shader seems to be interfering with my normal
opengl code.
Does anyone know how to fix this?