| /************************************************************************** |
| * |
| * Copyright 2003 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 "main/glheader.h" |
| #include "main/context.h" |
| #include "main/macros.h" |
| #include "main/enums.h" |
| #include "main/colormac.h" |
| #include "main/dd.h" |
| |
| #include "intel_screen.h" |
| #include "intel_context.h" |
| |
| int |
| intel_translate_shadow_compare_func(GLenum func) |
| { |
| switch (func) { |
| case GL_NEVER: |
| return COMPAREFUNC_ALWAYS; |
| case GL_LESS: |
| return COMPAREFUNC_LEQUAL; |
| case GL_LEQUAL: |
| return COMPAREFUNC_LESS; |
| case GL_GREATER: |
| return COMPAREFUNC_GEQUAL; |
| case GL_GEQUAL: |
| return COMPAREFUNC_GREATER; |
| case GL_NOTEQUAL: |
| return COMPAREFUNC_EQUAL; |
| case GL_EQUAL: |
| return COMPAREFUNC_NOTEQUAL; |
| case GL_ALWAYS: |
| return COMPAREFUNC_NEVER; |
| } |
| |
| fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func); |
| return COMPAREFUNC_NEVER; |
| } |
| |
| int |
| intel_translate_compare_func(GLenum func) |
| { |
| switch (func) { |
| case GL_NEVER: |
| return COMPAREFUNC_NEVER; |
| case GL_LESS: |
| return COMPAREFUNC_LESS; |
| case GL_LEQUAL: |
| return COMPAREFUNC_LEQUAL; |
| case GL_GREATER: |
| return COMPAREFUNC_GREATER; |
| case GL_GEQUAL: |
| return COMPAREFUNC_GEQUAL; |
| case GL_NOTEQUAL: |
| return COMPAREFUNC_NOTEQUAL; |
| case GL_EQUAL: |
| return COMPAREFUNC_EQUAL; |
| case GL_ALWAYS: |
| return COMPAREFUNC_ALWAYS; |
| } |
| |
| fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func); |
| return COMPAREFUNC_ALWAYS; |
| } |
| |
| int |
| intel_translate_stencil_op(GLenum op) |
| { |
| switch (op) { |
| case GL_KEEP: |
| return STENCILOP_KEEP; |
| case GL_ZERO: |
| return STENCILOP_ZERO; |
| case GL_REPLACE: |
| return STENCILOP_REPLACE; |
| case GL_INCR: |
| return STENCILOP_INCRSAT; |
| case GL_DECR: |
| return STENCILOP_DECRSAT; |
| case GL_INCR_WRAP: |
| return STENCILOP_INCR; |
| case GL_DECR_WRAP: |
| return STENCILOP_DECR; |
| case GL_INVERT: |
| return STENCILOP_INVERT; |
| default: |
| return STENCILOP_ZERO; |
| } |
| } |
| |
| int |
| intel_translate_blend_factor(GLenum factor) |
| { |
| switch (factor) { |
| case GL_ZERO: |
| return BLENDFACT_ZERO; |
| case GL_SRC_ALPHA: |
| return BLENDFACT_SRC_ALPHA; |
| case GL_ONE: |
| return BLENDFACT_ONE; |
| case GL_SRC_COLOR: |
| return BLENDFACT_SRC_COLR; |
| case GL_ONE_MINUS_SRC_COLOR: |
| return BLENDFACT_INV_SRC_COLR; |
| case GL_DST_COLOR: |
| return BLENDFACT_DST_COLR; |
| case GL_ONE_MINUS_DST_COLOR: |
| return BLENDFACT_INV_DST_COLR; |
| case GL_ONE_MINUS_SRC_ALPHA: |
| return BLENDFACT_INV_SRC_ALPHA; |
| case GL_DST_ALPHA: |
| return BLENDFACT_DST_ALPHA; |
| case GL_ONE_MINUS_DST_ALPHA: |
| return BLENDFACT_INV_DST_ALPHA; |
| case GL_SRC_ALPHA_SATURATE: |
| return BLENDFACT_SRC_ALPHA_SATURATE; |
| case GL_CONSTANT_COLOR: |
| return BLENDFACT_CONST_COLOR; |
| case GL_ONE_MINUS_CONSTANT_COLOR: |
| return BLENDFACT_INV_CONST_COLOR; |
| case GL_CONSTANT_ALPHA: |
| return BLENDFACT_CONST_ALPHA; |
| case GL_ONE_MINUS_CONSTANT_ALPHA: |
| return BLENDFACT_INV_CONST_ALPHA; |
| } |
| |
| fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, factor); |
| return BLENDFACT_ZERO; |
| } |
| |
| int |
| intel_translate_logic_op(GLenum opcode) |
| { |
| switch (opcode) { |
| case GL_CLEAR: |
| return LOGICOP_CLEAR; |
| case GL_AND: |
| return LOGICOP_AND; |
| case GL_AND_REVERSE: |
| return LOGICOP_AND_RVRSE; |
| case GL_COPY: |
| return LOGICOP_COPY; |
| case GL_COPY_INVERTED: |
| return LOGICOP_COPY_INV; |
| case GL_AND_INVERTED: |
| return LOGICOP_AND_INV; |
| case GL_NOOP: |
| return LOGICOP_NOOP; |
| case GL_XOR: |
| return LOGICOP_XOR; |
| case GL_OR: |
| return LOGICOP_OR; |
| case GL_OR_INVERTED: |
| return LOGICOP_OR_INV; |
| case GL_NOR: |
| return LOGICOP_NOR; |
| case GL_EQUIV: |
| return LOGICOP_EQUIV; |
| case GL_INVERT: |
| return LOGICOP_INV; |
| case GL_OR_REVERSE: |
| return LOGICOP_OR_RVRSE; |
| case GL_NAND: |
| return LOGICOP_NAND; |
| case GL_SET: |
| return LOGICOP_SET; |
| default: |
| return LOGICOP_SET; |
| } |
| } |