glBlendColor — set the blend color
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
GL_BLEND_COLOR is set to (0, 0, 0, 0).
glGet with an argument of GL_BLEND_COLOR
| OpenGL ES API Version | ||
|---|---|---|
| Function Name | 2.0 | 3.0 |
| glBlendColor | ✔ | ✔ |
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