154 lines
4.2 KiB
C
154 lines
4.2 KiB
C
/**************************************************************************
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*
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* Copyright 2003 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "main/glheader.h"
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#include "main/context.h"
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#include "main/macros.h"
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#include "main/enums.h"
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#include "main/dd.h"
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#include "intel_screen.h"
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#include "intel_context.h"
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int
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intel_translate_shadow_compare_func(GLenum func)
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{
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switch (func) {
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case GL_NEVER:
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return COMPAREFUNC_ALWAYS;
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case GL_LESS:
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return COMPAREFUNC_LEQUAL;
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case GL_LEQUAL:
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return COMPAREFUNC_LESS;
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case GL_GREATER:
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return COMPAREFUNC_GEQUAL;
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case GL_GEQUAL:
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return COMPAREFUNC_GREATER;
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case GL_NOTEQUAL:
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return COMPAREFUNC_EQUAL;
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case GL_EQUAL:
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return COMPAREFUNC_NOTEQUAL;
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case GL_ALWAYS:
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return COMPAREFUNC_NEVER;
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}
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fprintf(stderr, "Unknown value in %s: %x\n", __func__, func);
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return COMPAREFUNC_NEVER;
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}
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int
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intel_translate_compare_func(GLenum func)
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{
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switch (func) {
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case GL_NEVER:
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return COMPAREFUNC_NEVER;
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case GL_LESS:
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return COMPAREFUNC_LESS;
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case GL_LEQUAL:
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return COMPAREFUNC_LEQUAL;
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case GL_GREATER:
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return COMPAREFUNC_GREATER;
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case GL_GEQUAL:
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return COMPAREFUNC_GEQUAL;
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case GL_NOTEQUAL:
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return COMPAREFUNC_NOTEQUAL;
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case GL_EQUAL:
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return COMPAREFUNC_EQUAL;
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case GL_ALWAYS:
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return COMPAREFUNC_ALWAYS;
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}
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fprintf(stderr, "Unknown value in %s: %x\n", __func__, func);
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return COMPAREFUNC_ALWAYS;
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}
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int
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intel_translate_stencil_op(GLenum op)
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{
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switch (op) {
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case GL_KEEP:
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return STENCILOP_KEEP;
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case GL_ZERO:
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return STENCILOP_ZERO;
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case GL_REPLACE:
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return STENCILOP_REPLACE;
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case GL_INCR:
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return STENCILOP_INCRSAT;
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case GL_DECR:
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return STENCILOP_DECRSAT;
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case GL_INCR_WRAP:
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return STENCILOP_INCR;
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case GL_DECR_WRAP:
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return STENCILOP_DECR;
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case GL_INVERT:
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return STENCILOP_INVERT;
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default:
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return STENCILOP_ZERO;
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}
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}
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int
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intel_translate_blend_factor(GLenum factor)
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{
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switch (factor) {
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case GL_ZERO:
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return BLENDFACT_ZERO;
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case GL_SRC_ALPHA:
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return BLENDFACT_SRC_ALPHA;
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case GL_ONE:
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return BLENDFACT_ONE;
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case GL_SRC_COLOR:
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return BLENDFACT_SRC_COLR;
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case GL_ONE_MINUS_SRC_COLOR:
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return BLENDFACT_INV_SRC_COLR;
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case GL_DST_COLOR:
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return BLENDFACT_DST_COLR;
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case GL_ONE_MINUS_DST_COLOR:
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return BLENDFACT_INV_DST_COLR;
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case GL_ONE_MINUS_SRC_ALPHA:
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return BLENDFACT_INV_SRC_ALPHA;
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case GL_DST_ALPHA:
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return BLENDFACT_DST_ALPHA;
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case GL_ONE_MINUS_DST_ALPHA:
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return BLENDFACT_INV_DST_ALPHA;
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case GL_SRC_ALPHA_SATURATE:
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return BLENDFACT_SRC_ALPHA_SATURATE;
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case GL_CONSTANT_COLOR:
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return BLENDFACT_CONST_COLOR;
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case GL_ONE_MINUS_CONSTANT_COLOR:
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return BLENDFACT_INV_CONST_COLOR;
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case GL_CONSTANT_ALPHA:
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return BLENDFACT_CONST_ALPHA;
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case GL_ONE_MINUS_CONSTANT_ALPHA:
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return BLENDFACT_INV_CONST_ALPHA;
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}
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fprintf(stderr, "Unknown value in %s: %x\n", __func__, factor);
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return BLENDFACT_ZERO;
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}
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