260 lines
4.8 KiB
C
260 lines
4.8 KiB
C
/*
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* Copyright (C) 2007-2010 The Nouveau Project.
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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
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* a 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, sublicense, 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
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __NOUVEAU_GLDEFS_H__
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#define __NOUVEAU_GLDEFS_H__
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static inline unsigned
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nvgl_blend_func(unsigned func)
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{
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switch (func) {
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case GL_ZERO:
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return 0x0000;
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case GL_ONE:
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return 0x0001;
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case GL_SRC_COLOR:
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return 0x0300;
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case GL_ONE_MINUS_SRC_COLOR:
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return 0x0301;
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case GL_SRC_ALPHA:
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return 0x0302;
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case GL_ONE_MINUS_SRC_ALPHA:
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return 0x0303;
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case GL_DST_ALPHA:
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return 0x0304;
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case GL_ONE_MINUS_DST_ALPHA:
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return 0x0305;
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case GL_DST_COLOR:
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return 0x0306;
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case GL_ONE_MINUS_DST_COLOR:
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return 0x0307;
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case GL_SRC_ALPHA_SATURATE:
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return 0x0308;
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case GL_CONSTANT_COLOR:
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return 0x8001;
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case GL_ONE_MINUS_CONSTANT_COLOR:
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return 0x8002;
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case GL_CONSTANT_ALPHA:
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return 0x8003;
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case GL_ONE_MINUS_CONSTANT_ALPHA:
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return 0x8004;
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default:
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assert(0);
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}
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}
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static inline unsigned
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nvgl_blend_eqn(unsigned eqn)
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{
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switch (eqn) {
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case GL_FUNC_ADD:
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return 0x8006;
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case GL_MIN:
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return 0x8007;
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case GL_MAX:
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return 0x8008;
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case GL_FUNC_SUBTRACT:
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return 0x800a;
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case GL_FUNC_REVERSE_SUBTRACT:
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return 0x800b;
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default:
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assert(0);
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}
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}
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static inline unsigned
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nvgl_comparison_op(unsigned op)
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{
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switch (op) {
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case GL_NEVER:
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return 0x0200;
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case GL_LESS:
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return 0x0201;
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case GL_EQUAL:
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return 0x0202;
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case GL_LEQUAL:
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return 0x0203;
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case GL_GREATER:
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return 0x0204;
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case GL_NOTEQUAL:
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return 0x0205;
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case GL_GEQUAL:
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return 0x0206;
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case GL_ALWAYS:
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return 0x0207;
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default:
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assert(0);
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}
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}
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static inline unsigned
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nvgl_polygon_mode(unsigned mode)
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{
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switch (mode) {
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case GL_POINT:
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return 0x1b00;
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case GL_LINE:
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return 0x1b01;
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case GL_FILL:
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return 0x1b02;
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default:
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assert(0);
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}
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}
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static inline unsigned
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nvgl_stencil_op(unsigned op)
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{
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switch (op) {
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case GL_ZERO:
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return 0x0000;
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case GL_INVERT:
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return 0x150a;
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case GL_KEEP:
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return 0x1e00;
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case GL_REPLACE:
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return 0x1e01;
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case GL_INCR:
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return 0x1e02;
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case GL_DECR:
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return 0x1e03;
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case GL_INCR_WRAP_EXT:
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return 0x8507;
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case GL_DECR_WRAP_EXT:
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return 0x8508;
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default:
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assert(0);
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}
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}
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static inline unsigned
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nvgl_primitive(unsigned prim)
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{
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switch (prim) {
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case GL_POINTS:
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return 0x0001;
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case GL_LINES:
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return 0x0002;
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case GL_LINE_LOOP:
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return 0x0003;
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case GL_LINE_STRIP:
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return 0x0004;
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case GL_TRIANGLES:
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return 0x0005;
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case GL_TRIANGLE_STRIP:
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return 0x0006;
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case GL_TRIANGLE_FAN:
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return 0x0007;
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case GL_QUADS:
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return 0x0008;
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case GL_QUAD_STRIP:
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return 0x0009;
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case GL_POLYGON:
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return 0x000a;
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default:
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assert(0);
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}
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}
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static inline unsigned
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nvgl_wrap_mode(unsigned wrap)
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{
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switch (wrap) {
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case GL_REPEAT:
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return 0x1;
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case GL_MIRRORED_REPEAT:
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return 0x2;
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case GL_CLAMP:
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case GL_CLAMP_TO_EDGE:
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return 0x3;
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case GL_CLAMP_TO_BORDER:
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return 0x4;
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default:
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assert(0);
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}
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}
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static inline unsigned
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nvgl_wrap_mode_nv20(unsigned wrap)
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{
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switch (wrap) {
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case GL_REPEAT:
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return 0x1;
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case GL_MIRRORED_REPEAT:
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return 0x2;
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case GL_CLAMP:
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return 0x5;
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case GL_CLAMP_TO_EDGE:
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return 0x3;
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case GL_CLAMP_TO_BORDER:
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return 0x4;
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default:
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unreachable("Bad GL texture wrap mode");
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}
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}
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static inline unsigned
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nvgl_filter_mode(unsigned filter)
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{
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switch (filter) {
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case GL_NEAREST:
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return 0x1;
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case GL_LINEAR:
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return 0x2;
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case GL_NEAREST_MIPMAP_NEAREST:
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return 0x3;
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case GL_LINEAR_MIPMAP_NEAREST:
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return 0x4;
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case GL_NEAREST_MIPMAP_LINEAR:
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return 0x5;
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case GL_LINEAR_MIPMAP_LINEAR:
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return 0x6;
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default:
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assert(0);
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}
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}
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static inline unsigned
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nvgl_texgen_mode(unsigned mode)
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{
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switch (mode) {
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case GL_EYE_LINEAR:
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return 0x2400;
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case GL_OBJECT_LINEAR:
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return 0x2401;
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case GL_SPHERE_MAP:
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return 0x2402;
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case GL_NORMAL_MAP:
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return 0x8511;
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case GL_REFLECTION_MAP:
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return 0x8512;
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default:
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assert(0);
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}
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}
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#endif
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