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Resolution switching

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Implement actual resolution switching!
Not as good as I'd like, but it works for now
Also destroy everything on shutdown instead of relying on sdl.quit for
that
This commit is contained in:
gamax92 2015-06-26 17:45:44 -06:00
parent 4e9d49bce7
commit 2f11080f1f
1 changed files with 85 additions and 28 deletions
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103
src/component/screen_sdl2.lua
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@ -98,35 +98,57 @@ function elsa.mousewheel(event)
table.insert(machine.signals,{"scroll",address,math.floor(x[0]/8)+1,math.floor(y[0]/16)+1,mwevent.y})
end
local window = SDL.createWindow("OCEmu - screen@" .. address, SDL.WINDOWPOS_CENTERED, SDL.WINDOWPOS_CENTERED, width*8, height*16, SDL.WINDOW_SHOWN)
if window == ffi.C.NULL then
local window, renderer, texture, copytexture
local function createWindow()
if not window then
window = SDL.createWindow("OCEmu - screen@" .. address, SDL.WINDOWPOS_CENTERED, SDL.WINDOWPOS_CENTERED, width*8, height*16, SDL.WINDOW_SHOWN)
if window == ffi.C.NULL then
error(ffi.string(SDL.getError()))
end
local flags = SDL.RENDERER_TARGETTEXTURE
if ffi.os == "Windows" then -- TODO: Investigate why
end
end
local flags = SDL.RENDERER_TARGETTEXTURE
if ffi.os == "Windows" then -- TODO: Investigate why
flags = flags + SDL.RENDERER_SOFTWARE
end
local renderer = SDL.createRenderer(window, -1, flags)
if renderer == ffi.C.NULL then
end
renderer = SDL.createRenderer(window, -1, flags)
if renderer == ffi.C.NULL then
error(ffi.string(SDL.getError()))
end
local texture = SDL.createTexture(renderer, SDL.PIXELFORMAT_ARGB8888, SDL.TEXTUREACCESS_TARGET, width*8, height*16);
if texture == ffi.C.NULL then
end
texture = SDL.createTexture(renderer, SDL.PIXELFORMAT_ARGB8888, SDL.TEXTUREACCESS_TARGET, width*8, height*16);
if texture == ffi.C.NULL then
error(ffi.string(SDL.getError()))
end
local copytexture = SDL.createTexture(renderer, SDL.PIXELFORMAT_ARGB8888, SDL.TEXTUREACCESS_TARGET, width*8, height*16);
if copytexture == ffi.C.NULL then
end
copytexture = SDL.createTexture(renderer, SDL.PIXELFORMAT_ARGB8888, SDL.TEXTUREACCESS_TARGET, width*8, height*16);
if copytexture == ffi.C.NULL then
error(ffi.string(SDL.getError()))
end
-- Initialize all the textures to black
SDL.setRenderDrawColor(renderer, 0, 0, 0, 255)
SDL.renderFillRect(renderer, ffi.C.NULL)
SDL.setRenderTarget(renderer, texture);
SDL.renderFillRect(renderer, ffi.C.NULL)
SDL.setRenderTarget(renderer, copytexture);
SDL.renderFillRect(renderer, ffi.C.NULL)
SDL.setRenderTarget(renderer, ffi.C.NULL);
end
-- Initialize all the textures to black
SDL.setRenderDrawColor(renderer, 0, 0, 0, 255)
SDL.renderFillRect(renderer, ffi.C.NULL)
SDL.setRenderTarget(renderer, texture);
SDL.renderFillRect(renderer, ffi.C.NULL)
SDL.setRenderTarget(renderer, copytexture);
SDL.renderFillRect(renderer, ffi.C.NULL)
SDL.setRenderTarget(renderer, ffi.C.NULL);
local function cleanUpWindow(wind)
SDL.destroyTexture(texture)
SDL.destroyTexture(copytexture)
SDL.destroyRenderer(renderer)
if wind then
SDL.destroyWindow(window)
window = nil
end
texture, copytexture, renderer = nil
end
createWindow()
elsa.cleanup[#elsa.cleanup+1] = function()
cleanUpWindow(true)
end
function elsa.draw()
SDL.renderCopy(renderer, texture, ffi.C.NULL, ffi.C.NULL)
@ -412,7 +434,42 @@ function cec.setResolution(newwidth, newheight) -- Set the screen resolution. Re
newwidth,newheight = math.floor(newwidth),math.floor(newheight)
local oldwidth, oldheight = width, height
width, height = newwidth, newheight
return oldwidth ~= width or oldheight ~= height
local changed = oldwidth ~= width or oldheight ~= height
if changed then
-- TODO: What magical SDL hacks can I do to make this faster?
cleanUpWindow()
SDL.setWindowSize(window, width*8, height*16)
local xpos, ypos = ffi.new("int[1]"), ffi.new("int[1]")
SDL.getWindowPosition(window, xpos, ypos)
SDL.setWindowPosition(window, xpos[0] - (width-oldwidth)*4, ypos[0] - (height-oldheight)*4)
createWindow()
for y = 1,math.min(oldheight,height) do
for x = 1,math.min(oldwidth,width) do
if (screen.txt[y][x] ~= " " and screen.fg[y][x] ~= 0) or screen.bg[y][x] ~= 0 then
renderChar(utf8.byte(screen.txt[y][x]),(x-1)*8,(y-1)*16,screen.fg[y][x],screen.bg[y][x])
end
end
end
for y = 1,height do
for x = oldwidth+1,width do
screen.txt[y][x] = " "
screen.fg[y][x] = scrfgc
screen.bg[y][x] = scrbgc
screen.fgp[y][x] = scrfgp
screen.bgp[y][x] = scrbgp
end
end
for y = oldheight+1,height do
for x = 1,oldwidth do
screen.txt[y][x] = " "
screen.fg[y][x] = scrfgc
screen.bg[y][x] = scrbgc
screen.fgp[y][x] = scrfgp
screen.bgp[y][x] = scrbgp
end
end
end
return changed
end
function cec.maxResolution() -- Get the maximum screen resolution.
cprint("(cec) screen.maxResolution")