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glBlendColor — set the blend color

C Specification

void glBlendColor( GLfloat red,
  GLfloat green,
  GLfloat blue,
  GLfloat alpha);


red, green, blue, alpha

specify the components of GL_BLEND_COLOR


The GL_BLEND_COLOR may be used to calculate the source and destination blending factors. If destination framebuffer components use an unsigned normalized fixed-point representation, the constant color components are clamped to the range 0 1 when computing the blend factors. See glBlendFunc for a complete description of the blending operations. Initially the GL_BLEND_COLOR is set to (0, 0, 0, 0).

Associated Gets

glGet with an argument of GL_BLEND_COLOR

API Version Support

OpenGL ES API Version
Function Name 2.0 3.0 3.1
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