st/mesa: fix glCopyPixels(GL_STENCIL_INDEX) inverted position

If the renderbuffer orientation is Y=0=TOP we need to invert the dstY
position.
This commit is contained in:
Brian Paul 2009-09-03 14:39:53 -06:00
parent 8fc945cd84
commit beb05393c8

View file

@ -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,