Re-added "pixeleffect" graphics isSupported string for compatibility

src/modules/graphics/Graphics.cpp

@@ -158,6 +158,7 @@ StringMap<Graphics::Support, Graphics::SUPPORT_MAX_ENUM>::Entry Graphics::suppor
 	{ "canvas", Graphics::SUPPORT_CANVAS },
 	{ "hdrcanvas", Graphics::SUPPORT_HDR_CANVAS },
 	{ "shadereffect", Graphics::SUPPORT_SHADEREFFECT },
+	{ "pixeleffect", Graphics::SUPPORT_SHADEREFFECT }, // for compatibility
 	{ "npot", Graphics::SUPPORT_NPOT },
 	{ "subtractive", Graphics::SUPPORT_SUBTRACTIVE },
 };

src/modules/graphics/opengl/ShaderEffect.cpp

@@ -167,7 +167,7 @@ void ShaderEffect::createProgram(const std::vector<GLuint> &shaderids)
 	glLinkProgram(_program);
 	
 	for (it = shaderids.begin(); it != shaderids.end(); ++it)
-		glDeleteShader(*it); // flag shaders for deletion as soon as program object is deleted
+		glDeleteShader(*it); // flag shaders for auto-deletion when program object is deleted
 	
 	GLint link_ok;
 	glGetProgramiv(_program, GL_LINK_STATUS, &link_ok);
@@ -251,7 +251,6 @@ std::string ShaderEffect::getGLSLVersion()
 	return versionString.substr(0, minorEndPos);
 }
 
-
 bool ShaderEffect::isSupported()
 {
 	return GLEE_VERSION_2_0 && getGLSLVersion() >= "1.2";

src/scripts/graphics.lua

@@ -1323,20 +1323,20 @@ void main() {
 		if vertcode then
 			local s = vertcode:gsub("\r\n\t", " ")
 			s = s:gsub("%w+(%s+)%(", "")
-			if s:match("vec4 effect%(") then
+			if s:match("vec4%s*effect%(") then
 				fragcode = vertcode -- first argument contains frag shader code
 			end
-			if not s:match("vec4 transform%(") then
+			if not s:match("vec4%s*transform%(") then
 				vertcode = nil -- first argument doesn't contain vert shader code
 			end
 		end
 		if fragcode then
 			local s = fragcode:gsub("\r\n\t", " ")
 			s = s:gsub("%w+(%s+)%(", "")
-			if s:match("vec4 transform%(") then
+			if s:match("vec4%s*transform%(") then
 				vertcode = fragcode -- second argument contains vert shader code
 			end
-			if not s:match("vec4 effect%(") then
+			if not s:match("vec4%s*effect%(") then
 				fragcode = nil -- second argument doesn't contain frag shader code
 			end
 		end
@@ -1382,6 +1382,8 @@ void main() {
 	-- {a, b, c, d, e, f, ...}
 	local function flattenMatrices(mat, ...)
 		if not mat then return end
+		
+		local tonumber = tonumber
 
 		local ret,l = {}, 1
 		ret.dimension = #mat
@@ -1438,6 +1440,9 @@ void main() {
 		return effect
 	end
 	
+	
+	-- compatibility functions
+	
 	function love.graphics.newPixelEffect(fragcode)
 		return love.graphics.newShaderEffect(nil, fragcode)
 	end

src/scripts/graphics.lua.h

@@ -6333,15 +6333,16 @@ const unsigned char graphics_lua[] =
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@@ -6355,16 +6356,16 @@ const unsigned char graphics_lua[] =
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@@ -6475,6 +6476,9 @@ const unsigned char graphics_lua[] =
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@@ -6595,6 +6599,10 @@ const unsigned char graphics_lua[] =
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