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glBlendColor — set the blend color

C Specification

void glBlendColor(GLclampf red,
 GLclampf green,
 GLclampf blue,
 GLclampf 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. The color components are clamped to the range 0 1 before being stored. 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

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