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Fixed Lua pattern matching for detecting the 'position' and 'effect' shader functions (thanks lpghatguy!)

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This commit is contained in:
Alex Szpakowski
2014-05-31 00:42:18 -03:00
parent 6971ece4cb
commit 4d0bbb97d8
2 changed files with 22 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/scripts/graphics.lua
+8 -13
View File
@@ -1387,13 +1387,14 @@ void main() {
end
local function isVertexCode(code)
return code:match("vec4%s*position%(") ~= nil
return code:match("vec4%s+position%s*%(") ~= nil
end
local function isPixelCode(code)
if code:match("vec4%s*effect%(") then
if code:match("vec4%s+effect%s*%(") then
return true
elseif code:match("void%s*effects%(") then -- render to multiple canvases simultaniously
elseif code:match("void%s+effects%s*%(") then
-- function for rendering to multiple canvases simultaneously
return true, true
else
return false
@@ -1405,14 +1406,11 @@ void main() {
local is_multicanvas = false -- whether pixel code has "effects" function instead of "effect"
if arg1 then
local s = arg1:gsub("\r\n\t", " ") -- convert whitespace to spaces for parsing
s = s:gsub("(%w+)(%s+)%(", "%1(") -- convert "func ()" to "func()"
if isVertexCode(s) then
if isVertexCode(arg1) then
vertexcode = arg1 -- first arg contains vertex shader code
end
local ispixel, isMultiCanvas = isPixelCode(s)
local ispixel, isMultiCanvas = isPixelCode(arg1)
if ispixel then
pixelcode = arg1 -- first arg contains pixel shader code
is_multicanvas = isMultiCanvas
@@ -1420,14 +1418,11 @@ void main() {
end
if arg2 then
local s = arg2:gsub("\r\n\t", " ") -- convert whitespace to spaces for parsing
s = s:gsub("(%w+)(%s+)%(", "%1(") -- convert "func ()" to "func()"
if isVertexCode(s) then
if isVertexCode(arg2) then
vertexcode = arg2 -- second arg contains vertex shader code
end
local ispixel, isMultiCanvas = isPixelCode(s)
local ispixel, isMultiCanvas = isPixelCode(arg2)
if ispixel then
pixelcode = arg2 -- second arg contains pixel shader code
is_multicanvas = isMultiCanvas
src/scripts/graphics.lua.h
+14 -30
View File
@@ -6444,20 +6444,22 @@ const unsigned char graphics_lua[] =
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@@ -6477,17 +6479,8 @@ const unsigned char graphics_lua[] =
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@@ -6495,7 +6488,7 @@ const unsigned char graphics_lua[] =
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@@ -6507,17 +6500,8 @@ const unsigned char graphics_lua[] =
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