1 /**************************************************************************
3 * Copyright 2005 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "main/glheader.h"
29 #include "main/context.h"
30 #include "main/enums.h"
31 #include "main/imports.h"
32 #include "main/macros.h"
33 #include "main/mtypes.h"
35 #include "swrast_setup/swrast_setup.h"
36 #include "swrast/swrast.h"
38 #include "brw_context.h"
40 #define FILE_DEBUG_FLAG DEBUG_FALLBACKS
42 static GLboolean do_check_fallback(struct brw_context *brw)
44 struct gl_context *ctx = &brw->intel.ctx;
47 if (brw->intel.no_rast) {
48 DBG("FALLBACK: rasterization disabled\n");
54 if (ctx->RenderMode != GL_RENDER) {
55 DBG("FALLBACK: render mode\n");
61 for (i = 0; i < BRW_MAX_TEX_UNIT; i++) {
62 struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
63 if (texUnit->_ReallyEnabled) {
64 struct gl_texture_object *tex_obj = texUnit->_Current;
65 struct gl_texture_image *texImage = tex_obj->Image[0][tex_obj->BaseLevel];
66 if (texImage->Border) {
67 DBG("FALLBACK: texture border\n");
76 static void check_fallback(struct brw_context *brw)
78 brw->intel.Fallback = do_check_fallback(brw);
81 const struct brw_tracked_state brw_check_fallback = {
83 .mesa = _NEW_RENDERMODE | _NEW_TEXTURE | _NEW_STENCIL,
87 .prepare = check_fallback
94 * Called by the INTEL_FALLBACK() macro.
95 * NOTE: this is a no-op for the i965 driver. The brw->intel.Fallback
96 * field is treated as a boolean, not a bitmask. It's only set in a
99 void intelFallback( struct intel_context *intel, GLuint bit, GLboolean mode )