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authorAndrei Karas <akaras@inbox.ru>2014-01-28 00:30:51 +0300
committerAndrei Karas <akaras@inbox.ru>2014-01-28 23:35:20 +0300
commita0b2deb4192bddad4d061f5d5df86411a437f01f (patch)
tree4739472959d83045eac4d7f7ddf3dc265d37b45c /src/render/graphics.cpp
parent226202ff807dc860991af0d6665ef9e9b48c1bed (diff)
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add support for screen scale in OpenGL modes.
Diffstat (limited to 'src/render/graphics.cpp')
-rw-r--r--src/render/graphics.cpp48
1 files changed, 30 insertions, 18 deletions
diff --git a/src/render/graphics.cpp b/src/render/graphics.cpp
index c88892cc4..27682f1f0 100644
--- a/src/render/graphics.cpp
+++ b/src/render/graphics.cpp
@@ -51,6 +51,8 @@ Graphics::Graphics() :
gcn::Graphics(),
mWidth(0),
mHeight(0),
+ mActualWidth(0),
+ mActualHeight(0),
mWindow(nullptr),
#ifdef USE_SDL2
mRenderer(nullptr),
@@ -72,6 +74,7 @@ Graphics::Graphics() :
mName("Unknown"),
mStartFreeMem(0),
mSync(false),
+ mScale(1),
mColor(),
mColor2()
{
@@ -105,21 +108,28 @@ void Graphics::setSync(const bool sync)
mSync = sync;
}
-void Graphics::setMainFlags(const int w, const int h, const int bpp,
- const bool fs, const bool hwaccel,
- const bool resize, const bool noFrame)
+void Graphics::setMainFlags(const int w, const int h,
+ const int scale,
+ const int bpp,
+ const bool fs,
+ const bool hwaccel,
+ const bool resize,
+ const bool noFrame)
{
logger->log("graphics backend: %s", getName().c_str());
logger->log("Setting video mode %dx%d %s",
w, h, fs ? "fullscreen" : "windowed");
- mWidth = w;
- mHeight = h;
+ mWidth = w / scale;
+ mHeight = h / scale;
mBpp = bpp;
mFullscreen = fs;
mHWAccel = hwaccel;
mEnableResize = resize;
mNoFrame = noFrame;
+ mScale = scale;
+ mActualWidth = w;
+ mActualHeight = h;
}
int Graphics::getOpenGLFlags() const
@@ -161,7 +171,8 @@ bool Graphics::setOpenGLMode()
{
#ifdef USE_OPENGL
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
- if (!(mWindow = graphicsManager.createWindow(mWidth, mHeight,
+ if (!(mWindow = graphicsManager.createWindow(
+ mActualWidth, mActualHeight,
mBpp, getOpenGLFlags())))
{
mRect.w = 0;
@@ -173,15 +184,16 @@ bool Graphics::setOpenGLMode()
int w1 = 0;
int h1 = 0;
SDL_GetWindowSize(mWindow, &w1, &h1);
- mRect.w = w1;
- mRect.h = h1;
+ mRect.w = w1 / mScale;
+ mRect.h = h1 / mScale;
mGLContext = SDL_GL_CreateContext(mWindow);
#else // USE_SDL2
- mRect.w = static_cast<uint16_t>(mWindow->w);
- mRect.h = static_cast<uint16_t>(mWindow->h);
+ mRect.w = static_cast<uint16_t>(mWindow->w / mScale);
+ mRect.h = static_cast<uint16_t>(mWindow->h / mScale);
+
#endif // USE_SDL2
#ifdef __APPLE__
@@ -196,7 +208,7 @@ bool Graphics::setOpenGLMode()
graphicsManager.logVersion();
// Setup OpenGL
- glViewport(0, 0, mWidth, mHeight);
+ glViewport(0, 0, mActualWidth, mActualHeight);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
int gotDoubleBuffer = 0;
SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &gotDoubleBuffer);
@@ -374,7 +386,7 @@ bool Graphics::setFullscreen(const bool fs)
if (mFullscreen == fs)
return true;
- return setVideoMode(mWidth, mHeight, mBpp, fs, mHWAccel,
+ return setVideoMode(mActualWidth, mActualHeight, mScale, mBpp, fs, mHWAccel,
mEnableResize, mNoFrame);
}
@@ -386,10 +398,10 @@ bool Graphics::resizeScreen(const int width, const int height)
#ifdef USE_SDL2
_endDraw();
- mRect.w = width;
- mRect.h = height;
- mWidth = width;
- mHeight = height;
+ mRect.w = width / mScale;
+ mRect.h = height / mScale;
+ mWidth = width / mScale;
+ mHeight = height / mScale;
#ifdef USE_OPENGL
// +++ probably this way will not work in windows/mac
@@ -409,14 +421,14 @@ bool Graphics::resizeScreen(const int width, const int height)
_endDraw();
- const bool success = setVideoMode(width, height, mBpp,
+ const bool success = setVideoMode(width, height, mScale, mBpp,
mFullscreen, mHWAccel, mEnableResize, mNoFrame);
// If it didn't work, try to restore the previous size. If that didn't
// work either, bail out (but then we're in deep trouble).
if (!success)
{
- if (!setVideoMode(prevWidth, prevHeight, mBpp,
+ if (!setVideoMode(prevWidth, prevHeight, mScale, mBpp,
mFullscreen, mHWAccel, mEnableResize, mNoFrame))
{
return false;