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OpenGL: Added option to adjust the screen size and position. I need this to calibrate the Wiimote.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2307 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
John Peterson
2009-02-19 02:58:29 +00:00
parent c5aed83513
commit 14b6cadf46
7 changed files with 224 additions and 47 deletions
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67
Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
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@ -1153,7 +1153,9 @@ void UpdateViewport()
2 * rawViewport[0], 2 * rawViewport[1],
(rawViewport[5] - rawViewport[2]) / 16777215.0f, rawViewport[5] / 16777215.0f);*/
// -----------------------------------------------------------------------
// Keep aspect ratio at 4:3
// ------------------
// rawViewport[0] = 320, rawViewport[1] = -240
int scissorXOff = bpmem.scissorOffset.x * 2 - 342;
int scissorYOff = bpmem.scissorOffset.y * 2 - 342;
@ -1164,13 +1166,15 @@ void UpdateViewport()
int xoffs = 0, yoffs = 0;
int wid, hei, actualWid, actualHei;
// The rendering window width and height
int winw = OpenGL_GetWidth();
int winh = OpenGL_GetHeight();
// The rendering window aspect ratio
float ratio = (float)winw / (float)winh / fourThree;
if (g_Config.bKeepAR)
{
// Check if height or width is the limiting factor
if (ratio > 1) // then we are to wide and have to limit the width
// Check if height or width is the limiting factor. If ratio > 1 the picture is to wide and have to limit the width.
if (ratio > 1)
{
wAdj = ratio;
hAdj = 1;
@ -1183,7 +1187,8 @@ void UpdateViewport()
overfl = (winw - actualWid) / actualRatiow;
xoffs = overfl / 2;
}
else // the window is to high, we have to limit the height
// The window is to high, we have to limit the height
else
{
ratio = 1 / ratio;
@ -1204,24 +1209,62 @@ void UpdateViewport()
wid = ceil(fabs(2 * xfregs.rawViewport[0]));
hei = ceil(fabs(2 * xfregs.rawViewport[1]));
}
// -------------------------------------
// -----------------------------------------------------------------------
// GLViewPort variables
// ------------------
int GLWidth, GLHeight, GLx, GLy;
// -------------------------------------
// -----------------------------------------------------------------------
// Stretch picture while keeping the native resolution
// ------------------
if (g_Config.bStretchToFit)
{
glViewport(
(int)(xfregs.rawViewport[3]-xfregs.rawViewport[0]-342-scissorXOff) + xoffs,
Renderer::GetTargetHeight() - ((int)(xfregs.rawViewport[4]-xfregs.rawViewport[1]-342-scissorYOff)) + yoffs,
wid, // width
hei // height
);
GLx = (int)(xfregs.rawViewport[3]-xfregs.rawViewport[0]-342-scissorXOff) + xoffs;
GLy = Renderer::GetTargetHeight() - ((int)(xfregs.rawViewport[4]-xfregs.rawViewport[1]-342-scissorYOff)) + yoffs;
GLWidth = wid; // width
GLHeight = hei; // height
}
else
{
float MValueX = OpenGL_GetXmax();
float MValueY = OpenGL_GetYmax();
glViewport((int)(xfregs.rawViewport[3]-xfregs.rawViewport[0]-342-scissorXOff) * MValueX,
Renderer::GetTargetHeight()-((int)(xfregs.rawViewport[4]-xfregs.rawViewport[1]-342-scissorYOff)) * MValueY,
abs((int)(2 * xfregs.rawViewport[0])) * MValueX, abs((int)(2 * xfregs.rawViewport[1])) * MValueY);
GLx = (int)(xfregs.rawViewport[3]-xfregs.rawViewport[0]-342-scissorXOff) * MValueX;
GLy = Renderer::GetTargetHeight()-((int)(xfregs.rawViewport[4]-xfregs.rawViewport[1]-342-scissorYOff)) * MValueY;
GLWidth = abs((int)(2 * xfregs.rawViewport[0])) * MValueX;
GLHeight = abs((int)(2 * xfregs.rawViewport[1])) * MValueY;
}
// -------------------------------------
// -----------------------------------------------------------------------
// Adjust the screen size. If someone figures out how to correctly adjust the screen size as the GC or Wii does, this may not be needed.
// ------------------
if (g_Config.bScreenSize)
{
// Calculate width and height as a fraction of the current
float Width = (float)GLWidth * ((float)g_Config.iScreenWidth / 100.0);
float Height = (float)GLHeight * ((float)g_Config.iScreenHeight / 100.0);
// Adjust X and Y
GLx = GLx + g_Config.iScreenLeft;
GLy = GLy - g_Config.iScreenTop;
GLWidth = (int)Width;
GLHeight = (int)Height;
//Console::Print("W:%i H:%i W:%f H:%f Wid:%i Hei:%i x:%i y:%i\n", g_Config.iScreenWidth, g_Config.iScreenHeight, Width, Height, GLWidth, GLHeight, GLx, GLy);
}
// -------------------------------------
glViewport(
GLx, GLy,
GLWidth, GLHeight
);
glDepthRange((xfregs.rawViewport[5]- xfregs.rawViewport[2])/16777215.0f, xfregs.rawViewport[5]/16777215.0f);
}