LOVE/love
1
0
Fork 0
mirror of https://github.com/love2d/love.git synced 2026-08-18 11:44:15 +02:00
Code Issues Packages Projects Releases Wiki Activity

Added blend mode "screen".

Browse Source
This commit is contained in:
Alex Szpakowski
2014-03-27 23:28:36 -03:00
parent 1fd5d492fe
commit 146b3cff19
3 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/modules/graphics/opengl/Graphics.cpp
+6
View File
@@ -642,6 +642,10 @@ void Graphics::setBlendMode(Graphics::BlendMode mode)
state.srcRGB = state.srcA = GL_SRC_ALPHA;
state.dstRGB = state.dstA = GL_ONE;
break;
case BLEND_SCREEN:
state.srcRGB = state.srcA = GL_ONE;
state.dstRGB = state.dstA = GL_ONE_MINUS_SRC_COLOR;
break;
case BLEND_REPLACE:
default:
state.srcRGB = state.srcA = GL_ONE;
@@ -669,6 +673,8 @@ Graphics::BlendMode Graphics::getBlendMode() const
return BLEND_MULTIPLICATIVE;
else if (state.srcRGB == GL_ONE && state.dstRGB == GL_ONE_MINUS_SRC_ALPHA)
return BLEND_PREMULTIPLIED;
else if (state.srcRGB == GL_ONE && state.dstRGB == GL_ONE_MINUS_SRC_COLOR)
return BLEND_SCREEN;
else if (state.srcRGB == GL_ONE && state.dstRGB == GL_ZERO)
return BLEND_REPLACE;
}