diff -r 067180f57b12 -r 09263774e342 hostsupport/hostopengles20/src/blend.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hostsupport/hostopengles20/src/blend.c Thu Oct 07 13:58:22 2010 +0100 @@ -0,0 +1,85 @@ +/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). + * + * 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. + * + * Initial Contributors: + * Nokia Corporation - initial contribution. + * + * Contributors: + * + * Description: + * + */ + +#include "common.h" +#include "hgl.h" +#include "context.h" + +static GLboolean dglIsValidBlendMode(GLenum mode) +{ + switch(mode) + { + case GL_FUNC_ADD: + case GL_FUNC_SUBTRACT: + case GL_FUNC_REVERSE_SUBTRACT: + return GL_TRUE; + + default: + return GL_FALSE; + } +} + +GL_APICALL_BUILD void GL_APIENTRY glBlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) +{ + DGLES2_ENTER(); + ctx->hgl.BlendColor(red, green, blue, alpha); + DGLES2_LEAVE(); +} + +GL_APICALL_BUILD void GL_APIENTRY glBlendEquation(GLenum mode) +{ + DGLES2_ENTER(); + DGLES2_ERROR_IF(!dglIsValidBlendMode(mode), GL_INVALID_ENUM); + ctx->hgl.BlendEquation(mode); + DGLES2_LEAVE(); +} + +GL_APICALL_BUILD void GL_APIENTRY glBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) +{ + DGLES2_ENTER(); + DGLES2_ERROR_IF(!dglIsValidBlendMode(modeRGB), GL_INVALID_ENUM); + DGLES2_ERROR_IF(!dglIsValidBlendMode(modeAlpha), GL_INVALID_ENUM); + ctx->hgl.BlendEquationSeparate(modeRGB, modeAlpha); + DGLES2_LEAVE(); +} + +GL_APICALL_BUILD void GL_APIENTRY glBlendFunc(GLenum sfactor, GLenum dfactor) +{ + DGLES2_ENTER(); + ctx->hgl.BlendFunc(sfactor, dfactor); + DGLES2_LEAVE(); +} + +GL_APICALL_BUILD void GL_APIENTRY glBlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) +{ + DGLES2_ENTER(); + ctx->hgl.BlendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha); + DGLES2_LEAVE(); +} + +