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Fix ImageData:getPixel and ImageData:mapPixel when 1- and 2-component formats are used and the JIT compiler isn't available.

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This commit is contained in:
Alex Szpakowski
2019-09-18 20:23:32 -03:00
parent 58e26280c2
commit 0d2de019c3
1 changed files with 14 additions and 4 deletions
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src/modules/image/wrap_ImageData.cpp
+14 -4
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@@ -184,12 +184,16 @@ static void luax_checkpixel_rgba32f(lua_State *L, int startidx, Pixel &p)
luax_checkpixel_float32<4>(L, startidx, p);
}
static lua_Number fillValues[] = {0.0, 0.0, 0.0, 1.0};
template <int components>
static int luax_pushpixel_unorm8(lua_State *L, const Pixel &p)
{
for (int i = 0; i < components; i++)
lua_pushnumber(L, (lua_Number) p.rgba8[i] / 255.0);
return components;
for (int i = components; i < 4; i++)
lua_pushnumber(L, fillValues[i]);
return 4;
}
template <int components>
@@ -197,7 +201,9 @@ static int luax_pushpixel_unorm16(lua_State *L, const Pixel &p)
{
for (int i = 0; i < components; i++)
lua_pushnumber(L, (lua_Number) p.rgba16[i] / 65535.0);
return components;
for (int i = components; i < 4; i++)
lua_pushnumber(L, fillValues[i]);
return 4;
}
template <int components>
@@ -205,7 +211,9 @@ static int luax_pushpixel_float16(lua_State *L, const Pixel &p)
{
for (int i = 0; i < components; i++)
lua_pushnumber(L, (lua_Number) halfToFloat(p.rgba16f[i]));
return components;
for (int i = components; i < 4; i++)
lua_pushnumber(L, fillValues[i]);
return 4;
}
template <int components>
@@ -213,7 +221,9 @@ static int luax_pushpixel_float32(lua_State *L, const Pixel &p)
{
for (int i = 0; i < components; i++)
lua_pushnumber(L, (lua_Number) p.rgba32f[i]);
return components;
for (int i = components; i < 4; i++)
lua_pushnumber(L, fillValues[i]);
return 4;
}
static int luax_pushpixel_r8(lua_State *L, const Pixel &p)