| /************************************************************************** |
| * |
| * Copyright 2005 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * 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 "swrast_setup/swrast_setup.h" |
| #include "swrast/swrast.h" |
| #include "tnl/tnl.h" |
| #include "context.h" |
| #include "brw_context.h" |
| #include "brw_fallback.h" |
| |
| #include "glheader.h" |
| #include "enums.h" |
| #include "glapi.h" |
| #include "imports.h" |
| #include "macros.h" |
| #include "mtypes.h" |
| |
| #define FILE_DEBUG_FLAG DEBUG_FALLBACKS |
| |
| static GLboolean do_check_fallback(struct brw_context *brw) |
| { |
| GLcontext *ctx = &brw->intel.ctx; |
| GLuint i; |
| |
| /* BRW_NEW_METAOPS |
| */ |
| if (brw->metaops.active) |
| return GL_FALSE; |
| |
| if (brw->intel.no_rast) { |
| DBG("FALLBACK: rasterization disabled\n"); |
| return GL_TRUE; |
| } |
| |
| /* _NEW_RENDERMODE |
| * |
| * XXX: need to save/restore RenderMode in metaops state, or |
| * somehow move to a new attribs pointer: |
| */ |
| if (ctx->RenderMode != GL_RENDER) { |
| DBG("FALLBACK: render mode\n"); |
| return GL_TRUE; |
| } |
| |
| /* _NEW_TEXTURE: |
| */ |
| for (i = 0; i < BRW_MAX_TEX_UNIT; i++) { |
| struct gl_texture_unit *texUnit = &brw->attribs.Texture->Unit[i]; |
| if (texUnit->_ReallyEnabled) { |
| struct intel_texture_object *intelObj = intel_texture_object(texUnit->_Current); |
| struct gl_texture_image *texImage = intelObj->base.Image[0][intelObj->firstLevel]; |
| if (texImage->Border || |
| ((texImage->_BaseFormat == GL_DEPTH_COMPONENT) && |
| ((texImage->TexObject->WrapS == GL_CLAMP_TO_BORDER) || |
| (texImage->TexObject->WrapT == GL_CLAMP_TO_BORDER)))) { |
| DBG("FALLBACK: texture border\n"); |
| return GL_TRUE; |
| } |
| } |
| } |
| |
| /* _NEW_STENCIL |
| */ |
| if (brw->attribs.Stencil->Enabled && |
| !brw->intel.hw_stencil) { |
| DBG("FALLBACK: stencil\n"); |
| return GL_TRUE; |
| } |
| |
| |
| return GL_FALSE; |
| } |
| |
| static int check_fallback(struct brw_context *brw) |
| { |
| brw->intel.Fallback = do_check_fallback(brw); |
| return 0; |
| } |
| |
| const struct brw_tracked_state brw_check_fallback = { |
| .dirty = { |
| .mesa = _NEW_BUFFERS | _NEW_RENDERMODE | _NEW_TEXTURE | _NEW_STENCIL, |
| .brw = BRW_NEW_METAOPS, |
| .cache = 0 |
| }, |
| .prepare = check_fallback |
| }; |
| |
| |
| |
| |
| /* Not used: |
| */ |
| void intelFallback( struct intel_context *intel, GLuint bit, GLboolean mode ) |
| { |
| } |
| |
| |
| |