| /* |
| Copyright (C) Intel Corp. 2006. All Rights Reserved. |
| Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to |
| develop this 3D driver. |
| |
| 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 (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 NONINFRINGEMENT. |
| IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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. |
| |
| **********************************************************************/ |
| /* |
| * Authors: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| |
| #include <assert.h> |
| |
| #include "main/mtypes.h" |
| #include "program/prog_parameter.h" |
| #include "brw_util.h" |
| #include "brw_defines.h" |
| |
| GLuint brw_translate_blend_equation( GLenum mode ) |
| { |
| switch (mode) { |
| case GL_FUNC_ADD: |
| return BRW_BLENDFUNCTION_ADD; |
| case GL_MIN: |
| return BRW_BLENDFUNCTION_MIN; |
| case GL_MAX: |
| return BRW_BLENDFUNCTION_MAX; |
| case GL_FUNC_SUBTRACT: |
| return BRW_BLENDFUNCTION_SUBTRACT; |
| case GL_FUNC_REVERSE_SUBTRACT: |
| return BRW_BLENDFUNCTION_REVERSE_SUBTRACT; |
| default: |
| assert(0); |
| return BRW_BLENDFUNCTION_ADD; |
| } |
| } |
| |
| GLuint brw_translate_blend_factor( GLenum factor ) |
| { |
| switch(factor) { |
| case GL_ZERO: |
| return BRW_BLENDFACTOR_ZERO; |
| case GL_SRC_ALPHA: |
| return BRW_BLENDFACTOR_SRC_ALPHA; |
| case GL_ONE: |
| return BRW_BLENDFACTOR_ONE; |
| case GL_SRC_COLOR: |
| return BRW_BLENDFACTOR_SRC_COLOR; |
| case GL_ONE_MINUS_SRC_COLOR: |
| return BRW_BLENDFACTOR_INV_SRC_COLOR; |
| case GL_DST_COLOR: |
| return BRW_BLENDFACTOR_DST_COLOR; |
| case GL_ONE_MINUS_DST_COLOR: |
| return BRW_BLENDFACTOR_INV_DST_COLOR; |
| case GL_ONE_MINUS_SRC_ALPHA: |
| return BRW_BLENDFACTOR_INV_SRC_ALPHA; |
| case GL_DST_ALPHA: |
| return BRW_BLENDFACTOR_DST_ALPHA; |
| case GL_ONE_MINUS_DST_ALPHA: |
| return BRW_BLENDFACTOR_INV_DST_ALPHA; |
| case GL_SRC_ALPHA_SATURATE: |
| return BRW_BLENDFACTOR_SRC_ALPHA_SATURATE; |
| case GL_CONSTANT_COLOR: |
| return BRW_BLENDFACTOR_CONST_COLOR; |
| case GL_ONE_MINUS_CONSTANT_COLOR: |
| return BRW_BLENDFACTOR_INV_CONST_COLOR; |
| case GL_CONSTANT_ALPHA: |
| return BRW_BLENDFACTOR_CONST_ALPHA; |
| case GL_ONE_MINUS_CONSTANT_ALPHA: |
| return BRW_BLENDFACTOR_INV_CONST_ALPHA; |
| |
| case GL_SRC1_COLOR: |
| return BRW_BLENDFACTOR_SRC1_COLOR; |
| case GL_SRC1_ALPHA: |
| return BRW_BLENDFACTOR_SRC1_ALPHA; |
| case GL_ONE_MINUS_SRC1_COLOR: |
| return BRW_BLENDFACTOR_INV_SRC1_COLOR; |
| case GL_ONE_MINUS_SRC1_ALPHA: |
| return BRW_BLENDFACTOR_INV_SRC1_ALPHA; |
| |
| default: |
| assert(0); |
| return BRW_BLENDFACTOR_ZERO; |
| } |
| } |