From fb170c8bd71e649807a9e86e7290c973bc34b206 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 6 Oct 2004 15:56:38 +0000 Subject: more GL_ARB_draw_buffers updates from Michale Krol --- src/mesa/shader/arbprogram.syn | 63 ++++++++++++++++++++++++++-------------- src/mesa/shader/arbprogram_syn.h | 54 +++++++++------------------------- 2 files changed, 54 insertions(+), 63 deletions(-) (limited to 'src/mesa/shader') diff --git a/src/mesa/shader/arbprogram.syn b/src/mesa/shader/arbprogram.syn index a4e3a20222..75db7a7942 100644 --- a/src/mesa/shader/arbprogram.syn +++ b/src/mesa/shader/arbprogram.syn @@ -31,6 +31,17 @@ /* GL_ARB_fragment_program_shadow option flags */ .emtcode ARB_FRAGMENT_PROGRAM_SHADOW 0x40 +/* GL_ARB_draw_buffers option flags */ +.emtcode ARB_DRAW_BUFFERS 0x80 + +/* if we need more flags, we have three options: + 1) change the existing flags to indicate an option to a shift, so 0x01 becomes 0 (because + 1 << 0 is 0x01), 0x02 becomes 1 (1 << 1 == 0x02), and so on - this would give us + 256 flags, + 2) mark special value of 0 to say "the following byte will hold the upper 8 bit flags", + 3) expand all the existing flags to be 2 bytes long +*/ + /* GL_ARB_fragment_program instruction class */ .emtcode OP_ALU_INST 0x00 .emtcode OP_TEX_INST 0x01 @@ -400,6 +411,9 @@ /* GL_ARB_fragment_program_shadow */ .regbyte fragment_program_shadow 0x00 +/* GL_ARB_draw_buffers */ +.regbyte draw_buffers 0x00 + /* option presence condition registers */ /* they are all initially set to zero - when a particular OPTION is encountered, the appropriate */ /* register is set to 1 to indicate that the OPTION was specified. */ @@ -417,6 +431,9 @@ /* GL_ARB_fragment_program_shadow */ .regbyte ARB_fragment_program_shadow 0x00 +/* GL_ARB_draw_buffers */ +.regbyte ARB_draw_buffers 0x00 + /* program target condition register */ /* this syntax script deals with two program targets - VERTEX_PROGRAM and FRAGMENT_PROGRAM. */ /* to distinguish between them we need a register that will store for us the current target. */ @@ -482,7 +499,9 @@ fp_optionString fp_ARB_fog_exp2 .emit ARB_FOG_EXP2 .load ARB_fog_exp2 0x01 .or fp_ARB_fog_linear .emit ARB_FOG_LINEAR .load ARB_fog_linear 0x01 .or .if (fragment_program_shadow != 0x00) "ARB_fragment_program_shadow" - .emit ARB_FRAGMENT_PROGRAM_SHADOW .load ARB_fragment_program_shadow 0x01; + .emit ARB_FRAGMENT_PROGRAM_SHADOW .load ARB_fragment_program_shadow 0x01 .or + .if (draw_buffers != 0x00) "ARB_draw_buffers" .emit ARB_DRAW_BUFFERS + .load ARB_draw_buffers 0x01; vp_optionString "ARB_position_invariant" .emit ARB_POSITION_INVARIANT .load ARB_position_invariant 0x01; fp_ARB_fog_exp @@ -1952,7 +1971,7 @@ stateClipPlaneNum /* vertex program - ::= "point" . + ::= "point" "." */ statePointItem "point" .and dot .and statePointProperty .error INVALID_POINT_PROPERTY; @@ -1992,7 +2011,7 @@ optMatrixRows_1 stateMatrixRowNum .and dotdot .and stateMatrixRowNum .and rbracket; /* - ::= "matrix" . + ::= "matrix" "." */ stateMatrixItem @@ -2063,23 +2082,6 @@ stateOptModMatNum_1 stateModMatNum integer; -/* - From ARB_draw_buffers: - ::= "" - | "[" "]" -*/ -optOutputColorNum - optOutputColorNum_1 .or .true .emit 0x00; -optOutputColorNum_1 - lbracket_ne .and outputColorNum .and rbracket; - -/* - From ARB_draw_buffers: - ::= from 0 to MAX_DRAW_BUFFERS_ARB-1 -*/ -outputColorNum - integer; - /* ::= "" | "[" "]" @@ -2322,9 +2324,9 @@ vp_OUTPUT_statement vp_resultBinding .error RESULT_EXPECTED; /* - From ARB_draw_buffers: fragment program - ::= "result" "." "color" + ::= "result" "." "color" + | "result" "." "color" (if option ARB_draw_buffers present) | "result" "." "depth" vertex program @@ -2352,6 +2354,23 @@ vp_resultBinding_1 vp_resultBinding_2 "texcoord" .and optTexCoordNum; +/* +GL_ARB_draw_buffers + ::= "" + | "[" "]" +*/ +optOutputColorNum + .if (ARB_draw_buffers != 0x00) optOutputColorNum_1 .or .true .emit 0x00; +optOutputColorNum_1 + lbracket_ne .and outputColorNum .and rbracket; + +/* +GL_ARB_draw_buffers + ::= from 0 to MAX_DRAW_BUFFERS_ARB-1 +*/ +outputColorNum + integer; + /* vertex program ::= "color" diff --git a/src/mesa/shader/arbprogram_syn.h b/src/mesa/shader/arbprogram_syn.h index f7bc69e993..6bcf3989ef 100644 --- a/src/mesa/shader/arbprogram_syn.h +++ b/src/mesa/shader/arbprogram_syn.h @@ -1,34 +1,3 @@ -/* - * Mesa 3-D graphics library - * Version: 6.1 - * - * Copyright (C) 1999-2004 Brian Paul 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, sublicense, - * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL 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. - */ - -/** - * \file arbprogram_syn.h - * ARB_fragment_program/ARB_vertex_program syntax - * \author Michal Krol - */ - - ".syntax program;\n" ".emtcode REVISION 0x08\n" ".emtcode FRAGMENT_PROGRAM 0x01\n" @@ -44,6 +13,7 @@ ".emtcode ARB_FOG_LINEAR 0x10\n" ".emtcode ARB_POSITION_INVARIANT 0x20\n" ".emtcode ARB_FRAGMENT_PROGRAM_SHADOW 0x40\n" +".emtcode ARB_DRAW_BUFFERS 0x80\n" ".emtcode OP_ALU_INST 0x00\n" ".emtcode OP_TEX_INST 0x01\n" ".emtcode OP_ALU_VECTOR 0x00\n" @@ -293,6 +263,7 @@ ".regbyte fog_coord 0x00\n" ".regbyte texture_rectangle 0x00\n" ".regbyte fragment_program_shadow 0x00\n" +".regbyte draw_buffers 0x00\n" ".regbyte ARB_precision_hint_fastest 0x00\n" ".regbyte ARB_precision_hint_nicest 0x00\n" ".regbyte ARB_fog_exp 0x00\n" @@ -300,6 +271,7 @@ ".regbyte ARB_fog_linear 0x00\n" ".regbyte ARB_position_invariant 0x00\n" ".regbyte ARB_fragment_program_shadow 0x00\n" +".regbyte ARB_draw_buffers 0x00\n" ".regbyte program_target 0x00\n" "program\n" " programs .error UNKNOWN_PROGRAM_SIGNATURE .emit REVISION;\n" @@ -335,7 +307,9 @@ " fp_ARB_fog_exp2 .emit ARB_FOG_EXP2 .load ARB_fog_exp2 0x01 .or\n" " fp_ARB_fog_linear .emit ARB_FOG_LINEAR .load ARB_fog_linear 0x01 .or\n" " .if (fragment_program_shadow != 0x00) \"ARB_fragment_program_shadow\"\n" -" .emit ARB_FRAGMENT_PROGRAM_SHADOW .load ARB_fragment_program_shadow 0x01;\n" +" .emit ARB_FRAGMENT_PROGRAM_SHADOW .load ARB_fragment_program_shadow 0x01 .or\n" +" .if (draw_buffers != 0x00) \"ARB_draw_buffers\" .emit ARB_DRAW_BUFFERS\n" +" .load ARB_draw_buffers 0x01;\n" "vp_optionString\n" " \"ARB_position_invariant\" .emit ARB_POSITION_INVARIANT .load ARB_position_invariant 0x01;\n" "fp_ARB_fog_exp\n" @@ -1008,13 +982,6 @@ " lbracket_ne .and stateModMatNum .and rbracket;\n" "stateModMatNum\n" " integer;\n" -"optOutputColorNum\n" -" optOutputColorNum_1 .or .true .emit 0x00;\n" -"optOutputColorNum_1\n" -" lbracket_ne .and outputColorNum .and rbracket;\n" -" \n" -"outputColorNum\n" -" integer;\n" "optTexCoordNum\n" " optTexCoordNum_1 .or .true .emit 0x00;\n" "optTexCoordNum_1\n" @@ -1121,6 +1088,12 @@ " vp_resultBinding_2 .emit VERTEX_RESULT_TEXCOORD;\n" "vp_resultBinding_2\n" " \"texcoord\" .and optTexCoordNum;\n" +"optOutputColorNum\n" +" .if (ARB_draw_buffers != 0x00) optOutputColorNum_1 .or .true .emit 0x00;\n" +"optOutputColorNum_1\n" +" lbracket_ne .and outputColorNum .and rbracket;\n" +"outputColorNum\n" +" integer;\n" "resultColBinding\n" " \"color\" .and optFaceType .and optColorType;\n" "optFaceType\n" @@ -1351,5 +1324,4 @@ " '0'-'9';\n" "e_charordigit\n" " 'A'-'Z' .or 'a'-'z' .or '0'-'9';\n" -"" - +"" \ No newline at end of file -- cgit v1.2.3