From 6b90d1b1acaaf42b9c8b787d0dac54ac74d4fdcc Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Sun, 22 Aug 2010 19:04:47 -0600 Subject: [PATCH] st/mesa: fix ReadPixels crashes when reading depth/stencil from a FBO MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This is based on a patch from Marek Olšák. NOTE: This is a candidate for the Mesa 7.8 branch. --- src/mesa/state_tracker/st_cb_readpixels.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c index d5f5d422749..6ab03ec9391 100644 --- a/src/mesa/state_tracker/st_cb_readpixels.c +++ b/src/mesa/state_tracker/st_cb_readpixels.c @@ -68,6 +68,10 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y, ubyte *stmap; GLint j; + if (strb->Base.Wrapped) { + strb = st_renderbuffer(strb->Base.Wrapped); + } + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { y = ctx->DrawBuffer->Height - y - height; } @@ -359,6 +363,9 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, } else if (format == GL_DEPTH_COMPONENT) { strb = st_renderbuffer(ctx->ReadBuffer->_DepthBuffer); + if (strb->Base.Wrapped) { + strb = st_renderbuffer(strb->Base.Wrapped); + } } else { /* Read color buffer */ -- 2.30.2