diff options
| -rw-r--r-- | src/mesa/main/buffers.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c index 7eafaf88fc5..e930531bf10 100644 --- a/src/mesa/main/buffers.c +++ b/src/mesa/main/buffers.c @@ -320,11 +320,12 @@ read_buffer_enum_to_bitmask(GLenum buffer) /** - * Specify which color buffer(s) to draw into for the first color output. - * Recall that fragment programs can write to multiple outputs. + * Called by glDrawBuffer(). + * Specify which renderbuffer(s) to draw into for the first color output. + * <buffer> can name zero, one, two or four renderbuffers! * \sa _mesa_DrawBuffersARB * - * \param buffer color buffer, such as GL_LEFT or GL_FRONT_AND_BACK. + * \param buffer buffer token such as GL_LEFT or GL_FRONT_AND_BACK, etc. */ void GLAPIENTRY _mesa_DrawBuffer(GLenum buffer) @@ -365,9 +366,13 @@ _mesa_DrawBuffer(GLenum buffer) /** - * Called by glDrawBuffersARB; specifies the destination color buffers + * Called by glDrawBuffersARB; specifies the destination color renderbuffers * for N fragment program color outputs. * \sa _mesa_DrawBuffer + * \param n number of outputs + * \param buffers array [n] of renderbuffer names. Unlike glDrawBuffer, the + * names cannot specify more than one buffer. For example, + * GL_FRONT_AND_BACK is illegal. */ void GLAPIENTRY _mesa_DrawBuffersARB(GLsizei n, const GLenum *buffers) @@ -513,12 +518,8 @@ _mesa_drawbuffers(GLcontext *ctx, GLsizei n, const GLenum *buffers, /** - * Set the color buffer source for reading pixels. - * - * \param mode color buffer. - * - * \sa glReadBuffer(). - * + * Called by glReadBuffer to set the source renderbuffer for reading pixels. + * \param mode color buffer such as GL_FRONT, GL_BACK, etc. */ void GLAPIENTRY _mesa_ReadBuffer(GLenum buffer) |