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Added a note reminder

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Ray 2026-07-18 16:43:04 +02:00
commit 0725811224
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src/rlgl.h
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@ -3793,6 +3793,10 @@ unsigned char *rlReadScreenPixels(int width, int height)
{ {
unsigned char *imgData = (unsigned char *)RL_CALLOC(width*height*4, sizeof(unsigned char)); unsigned char *imgData = (unsigned char *)RL_CALLOC(width*height*4, sizeof(unsigned char));
// NOTE: Buffer retrieved is GL_FRONT in single-buffered configurations
// and GL_BACK in double-buffered configurations, make sure to call it at the end of frame
//glReadBuffer(GL_BACK);
// NOTE: glReadPixels() returns image flipped vertically -> (0,0) is the bottom left corner of the framebuffer // NOTE: glReadPixels() returns image flipped vertically -> (0,0) is the bottom left corner of the framebuffer
// WARNING: Getting alpha channel! Be careful, it can be transparent if not cleared properly! // WARNING: Getting alpha channel! Be careful, it can be transparent if not cleared properly!
glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, imgData); glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, imgData);