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author | marha <marha@users.sourceforge.net> | 2011-07-01 14:21:21 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2011-07-01 14:21:21 +0200 |
commit | d9f970a847e1af706f07560ef163b229bb592307 (patch) | |
tree | 2fe2204f673487f3a8d7150f14cc456c6eb48d62 /mesalib/src/mesa/state_tracker/st_cb_viewport.c | |
parent | 0feab87a4300a3e204e259d14a0a63e58e4a3c8f (diff) | |
download | vcxsrv-d9f970a847e1af706f07560ef163b229bb592307.tar.gz vcxsrv-d9f970a847e1af706f07560ef163b229bb592307.tar.bz2 vcxsrv-d9f970a847e1af706f07560ef163b229bb592307.zip |
xwininfo libX11 mesa mkfontscale xserver xkeyboard-config git update 1 Juli
2011
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_viewport.c')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_cb_viewport.c | 149 |
1 files changed, 78 insertions, 71 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_viewport.c b/mesalib/src/mesa/state_tracker/st_cb_viewport.c index a61e3d4d4..d4742eb89 100644 --- a/mesalib/src/mesa/state_tracker/st_cb_viewport.c +++ b/mesalib/src/mesa/state_tracker/st_cb_viewport.c @@ -1,71 +1,78 @@ -/**************************************************************************
- *
- * Copyright 2009 VMware, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-#include "main/glheader.h"
-#include "st_context.h"
-#include "st_cb_viewport.h"
-
-#include "pipe/p_state.h"
-#include "pipe/p_defines.h"
-#include "util/u_atomic.h"
-
-/**
- * Cast wrapper to convert a struct gl_framebuffer to an st_framebuffer.
- * Return NULL if the struct gl_framebuffer is a user-created framebuffer.
- * We'll only return non-null for window system framebuffers.
- * Note that this function may fail.
- */
-static INLINE struct st_framebuffer *
-st_ws_framebuffer(struct gl_framebuffer *fb)
-{
- /* FBO cannot be casted. See st_new_framebuffer */
- return (struct st_framebuffer *) ((fb && !fb->Name) ? fb : NULL);
-}
-
-static void st_viewport(struct gl_context * ctx, GLint x, GLint y,
- GLsizei width, GLsizei height)
-{
- struct st_context *st = ctx->st;
- struct st_framebuffer *stdraw;
- struct st_framebuffer *stread;
-
- if (!st->invalidate_on_gl_viewport)
- return;
-
- stdraw = st_ws_framebuffer(st->ctx->DrawBuffer);
- stread = st_ws_framebuffer(st->ctx->ReadBuffer);
-
- if (stdraw)
- p_atomic_set(&stdraw->revalidate, TRUE);
- if (stread && stread != stdraw)
- p_atomic_set(&stread->revalidate, TRUE);
-}
-
-void st_init_viewport_functions(struct dd_function_table *functions)
-{
- functions->Viewport = st_viewport;
-}
+/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "main/glheader.h" +#include "st_context.h" +#include "st_cb_viewport.h" + +#include "pipe/p_state.h" +#include "pipe/p_defines.h" +#include "util/u_atomic.h" + +/** + * Cast wrapper to convert a struct gl_framebuffer to an st_framebuffer. + * Return NULL if the struct gl_framebuffer is a user-created framebuffer. + * We'll only return non-null for window system framebuffers. + * Note that this function may fail. + */ +static INLINE struct st_framebuffer * +st_ws_framebuffer(struct gl_framebuffer *fb) +{ + /* FBO cannot be casted. See st_new_framebuffer */ + return (struct st_framebuffer *) ((fb && !fb->Name) ? fb : NULL); +} + +static void st_viewport(struct gl_context * ctx, GLint x, GLint y, + GLsizei width, GLsizei height) +{ + struct st_context *st = ctx->st; + struct st_framebuffer *stdraw; + struct st_framebuffer *stread; + + if (!st->invalidate_on_gl_viewport) + return; + + /* + * Normally we'd want the state tracker manager to mark the drawables + * invalid only when needed. This will force the state tracker manager + * to revalidate the drawable, rather than just update the context with + * the latest cached drawable info. + */ + + stdraw = st_ws_framebuffer(st->ctx->DrawBuffer); + stread = st_ws_framebuffer(st->ctx->ReadBuffer); + + if (stdraw && stdraw->iface) + stdraw->iface_stamp = p_atomic_read(&stdraw->iface->stamp) - 1; + if (stread && stread != stdraw && stread->iface) + stread->iface_stamp = p_atomic_read(&stread->iface->stamp) - 1; +} + +void st_init_viewport_functions(struct dd_function_table *functions) +{ + functions->Viewport = st_viewport; +} |