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Move Canvas:renderTo to Texture:renderTo.

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This commit is contained in:
Alex Szpakowski
2020-02-04 20:05:31 -04:00
parent 0304bdf450
commit 61a5f0c7e2
2 changed files with 59 additions and 48 deletions
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src/modules/graphics/wrap_Canvas.cpp
-48
View File
@@ -31,56 +31,8 @@ Canvas *luax_checkcanvas(lua_State *L, int idx)
return luax_checktype<Canvas>(L, idx);
}
int w_Canvas_renderTo(lua_State *L)
{
Graphics::RenderTarget rt(luax_checkcanvas(L, 1));
int startidx = 2;
if (rt.texture->getTextureType() != TEXTURE_2D)
{
rt.slice = (int) luaL_checkinteger(L, 2) - 1;
startidx++;
}
luaL_checktype(L, startidx, LUA_TFUNCTION);
auto graphics = Module::getInstance<Graphics>(Module::M_GRAPHICS);
if (graphics)
{
// Save the current render targets so we can restore them when we're done.
Graphics::RenderTargets oldtargets = graphics->getCanvas();
for (auto c : oldtargets.colors)
c.texture->retain();
if (oldtargets.depthStencil.texture != nullptr)
oldtargets.depthStencil.texture->retain();
luax_catchexcept(L, [&](){ graphics->setCanvas(rt, false); });
lua_settop(L, 2); // make sure the function is on top of the stack
int status = lua_pcall(L, 0, 0, 0);
graphics->setCanvas(oldtargets);
for (auto c : oldtargets.colors)
c.texture->release();
if (oldtargets.depthStencil.texture != nullptr)
oldtargets.depthStencil.texture->release();
if (status != 0)
return lua_error(L);
}
return 0;
}
static const luaL_Reg w_Canvas_functions[] =
{
{ "renderTo", w_Canvas_renderTo },
{ 0, 0 }
};
src/modules/graphics/wrap_Texture.cpp
+59
View File
@@ -19,6 +19,7 @@
**/
#include "wrap_Texture.h"
#include "Graphics.h"
namespace love
{
@@ -398,6 +399,63 @@ int w_Texture_newImageData(lua_State *L)
return 1;
}
int w_Texture_renderTo(lua_State *L)
{
Graphics::RenderTarget rt(luax_checktexture(L, 1));
int startidx = 2;
if (rt.texture->getTextureType() != TEXTURE_2D)
{
rt.slice = (int) luaL_checkinteger(L, 2) - 1;
startidx++;
}
luaL_checktype(L, startidx, LUA_TFUNCTION);
auto graphics = Module::getInstance<Graphics>(Module::M_GRAPHICS);
if (graphics)
{
// Save the current render targets so we can restore them when we're done.
Graphics::RenderTargets oldtargets = graphics->getCanvas();
for (auto c : oldtargets.colors)
c.texture->retain();
if (oldtargets.depthStencil.texture != nullptr)
oldtargets.depthStencil.texture->retain();
luax_catchexcept(L,
[&]() { graphics->setCanvas(rt, 0); },
[&](bool err)
{
if (err)
{
for (auto c : oldtargets.colors)
c.texture->release();
}
}
);
lua_settop(L, 2); // make sure the function is on top of the stack
int status = lua_pcall(L, 0, 0, 0);
graphics->setCanvas(oldtargets);
for (auto c : oldtargets.colors)
c.texture->release();
if (oldtargets.depthStencil.texture != nullptr)
oldtargets.depthStencil.texture->release();
if (status != 0)
return lua_error(L);
}
return 0;
}
const luaL_Reg w_Texture_functions[] =
{
{ "getTextureType", w_Texture_getTextureType },
@@ -428,6 +486,7 @@ const luaL_Reg w_Texture_functions[] =
{ "generateMipmaps", w_Texture_generateMipmaps },
{ "replacePixels", w_Texture_replacePixels },
{ "newImageData", w_Texture_newImageData },
{ "renderTo", w_Texture_renderTo },
{ 0, 0 }
};