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The "alpha" blend mode now outputs more useful/intuitive alpha values (thanks Boolsheet)

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See https://love2d.org/forums/viewtopic.php?f=4&t=16223 and http://www.opengl.org/discussion_boards/showthread.php/167554-FBO-and-blending
This commit is contained in:
Alex Szpakowski
2013-02-26 21:44:01 -04:00
parent 0be26b7678
commit 395a1dbced
2 changed files with 122 additions and 50 deletions
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src/modules/graphics/opengl/wrap_Graphics.cpp
+25 -13
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@@ -642,13 +642,19 @@ int w_setDefaultImageFilter(lua_State *L)
int w_getBlendMode(lua_State *L)
{
Graphics::BlendMode mode = instance->getBlendMode();
const char *str;
if (!Graphics::getConstant(mode, str))
return luaL_error(L, "Invalid blend mode: %s", str);
lua_pushstring(L, str);
return 1;
try
{
Graphics::BlendMode mode = instance->getBlendMode();
const char *str;
if (!Graphics::getConstant(mode, str))
return luaL_error(L, "Unknown blend mode");
lua_pushstring(L, str);
return 1;
}
catch (love::Exception &e)
{
return luaL_error(L, "%s", e.what());
}
}
int w_getColorMode(lua_State *L)
@@ -656,8 +662,7 @@ int w_getColorMode(lua_State *L)
Graphics::ColorMode mode = instance->getColorMode();
const char *str;
if (!Graphics::getConstant(mode, str))
return luaL_error(L, "Invalid color mode: %s", str);
return luaL_error(L, "Unknown color mode");
lua_pushstring(L, str);
return 1;
}
@@ -667,8 +672,10 @@ int w_getDefaultImageFilter(lua_State *L)
const Image::Filter &f = instance->getDefaultImageFilter();
const char *minstr;
const char *magstr;
Image::getConstant(f.min, minstr);
Image::getConstant(f.mag, magstr);
if (!Image::getConstant(f.min, minstr))
return luaL_error(L, "Unknown filter mode for argument #1");
if (!Image::getConstant(f.mag, magstr))
return luaL_error(L, "Unknown filter mode for argument #2");
lua_pushstring(L, minstr);
lua_pushstring(L, magstr);
return 2;
@@ -719,7 +726,8 @@ int w_getLineStyle(lua_State *L)
{
Graphics::LineStyle style = instance->getLineStyle();
const char *str;
Graphics::getConstant(style, str);
if (!Graphics::getConstant(style, str))
return luaL_error(L, "Unknown line style");
lua_pushstring(L, str);
return 1;
}
@@ -770,7 +778,8 @@ int w_getPointStyle(lua_State *L)
{
Graphics::PointStyle style = instance->getPointStyle();
const char *str;
Graphics::getConstant(style, str);
if (!Graphics::getConstant(style, str))
return luaL_error(L, "Unknown point style");
lua_pushstring(L, str);
return 1;
}
@@ -858,7 +867,10 @@ int w_isSupported(lua_State *L)
{
const char *str = luaL_checkstring(L, i);
if (!Graphics::getConstant(str, support))
{
supported = false;
break;
}
switch (support)
{
case Graphics::SUPPORT_CANVAS: