From beb05393c8d92d71ccb0f4af0bcdbe58ae8a9cdd Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 3 Sep 2009 14:39:53 -0600 Subject: [PATCH] st/mesa: fix glCopyPixels(GL_STENCIL_INDEX) inverted position If the renderbuffer orientation is Y=0=TOP we need to invert the dstY position. --- src/mesa/state_tracker/st_cb_drawpixels.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index e00754a0365..a9cafbf8cdc 100644 --- a/src/mesa/state_tracker/st_cb_drawpixels.c +++ b/src/mesa/state_tracker/st_cb_drawpixels.c @@ -865,6 +865,10 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, usage = PIPE_TRANSFER_READ_WRITE; else usage = PIPE_TRANSFER_WRITE; + + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { + dsty = rbDraw->Base.Height - dsty - height; + } ptDraw = st_cond_flush_get_tex_transfer(st_context(ctx), rbDraw->texture, 0, 0, 0, -- 2.30.2