1 /* 2 Copyright (C) Intel Corp. 2006. All Rights Reserved. 3 Intel funded Tungsten Graphics to 4 develop this 3D driver. 5 6 Permission is hereby granted, free of charge, to any person obtaining 7 a 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, sublicense, 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: 13 14 The above copyright notice and this permission notice (including the 15 next paragraph) shall be included in all copies or substantial 16 portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 21 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 26 **********************************************************************/ 27 /* 28 * Authors: 29 * Keith Whitwell <keithw (at) vmware.com> 30 */ 31 32 33 #ifndef BRW_WM_H 34 #define BRW_WM_H 35 36 #include <stdbool.h> 37 38 #include "brw_context.h" 39 #include "brw_eu.h" 40 41 /* A big lookup table is used to figure out which and how many 42 * additional regs will inserted before the main payload in the WM 43 * program execution. These mainly relate to depth and stencil 44 * processing and the early-depth-test optimization. 45 */ 46 #define IZ_PS_KILL_ALPHATEST_BIT 0x1 47 #define IZ_PS_COMPUTES_DEPTH_BIT 0x2 48 #define IZ_DEPTH_WRITE_ENABLE_BIT 0x4 49 #define IZ_DEPTH_TEST_ENABLE_BIT 0x8 50 #define IZ_STENCIL_WRITE_ENABLE_BIT 0x10 51 #define IZ_STENCIL_TEST_ENABLE_BIT 0x20 52 #define IZ_BIT_MAX 0x40 53 54 #define AA_NEVER 0 55 #define AA_SOMETIMES 1 56 #define AA_ALWAYS 2 57 58 #ifdef __cplusplus 59 extern "C" { 60 #endif 61 62 bool brw_color_buffer_write_enabled(struct brw_context *brw); 63 64 void 65 brw_upload_wm_prog(struct brw_context *brw); 66 67 void 68 brw_wm_populate_key(struct brw_context *brw, 69 struct brw_wm_prog_key *key); 70 71 #ifdef __cplusplus 72 } // extern "C" 73 #endif 74 75 #endif 76
