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Add ActiveRatio to be used where CheckRatio is used today

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This commit is contained in:
Magnus Norddahl 2016-09-12 13:59:01 +02:00
parent b003c47e3e
commit 5720634045
2 changed files with 58 additions and 25 deletions
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81
src/v_video.cpp
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@ -1603,6 +1603,59 @@ CUSTOM_CVAR (Int, vid_aspect, 0, CVAR_GLOBALCONFIG|CVAR_ARCHIVE)
}
}
// Helper for ActiveRatio and CheckRatio. Returns the forced ratio type, or -1 if none.
int ActiveFakeRatio(int width, int height)
{
int fakeratio = -1;
if ((vid_aspect >= 1) && (vid_aspect <= 6))
{
// [SP] User wants to force aspect ratio; let them.
fakeratio = int(vid_aspect);
if (fakeratio == 3)
{
fakeratio = 0;
}
else if (fakeratio == 5)
{
fakeratio = 3;
}
}
if (vid_nowidescreen)
{
if (!vid_tft)
{
fakeratio = 0;
}
else
{
fakeratio = (height * 5 / 4 == width) ? 4 : 0;
}
}
return fakeratio;
}
// Active screen ratio based on cvars and size
float ActiveRatio(int width, int height, float *trueratio)
{
static float forcedRatioTypes[] =
{
4 / 3.0f,
16 / 9.0f,
16 / 10.0f,
17 / 10.0f,
5 / 4.0f,
17 / 10.0f,
21 / 9.0f
};
float ratio = width / (float)height;
int fakeratio = ActiveFakeRatio(width, height);
if (trueratio)
*trueratio = ratio;
return (fakeratio != -1) ? forcedRatioTypes[fakeratio] : ratio;
}
// Tries to guess the physical dimensions of the screen based on the
// screen's pixel dimensions. Can return:
// 0: 4:3
@ -1639,31 +1692,9 @@ int CheckRatio (int width, int height, int *trueratio)
}
}
int fakeratio = ratio;
if ((vid_aspect >= 1) && (vid_aspect <= 6))
{
// [SP] User wants to force aspect ratio; let them.
fakeratio = int(vid_aspect);
if (fakeratio == 3)
{
fakeratio = 0;
}
else if (fakeratio == 5)
{
fakeratio = 3;
}
}
if (vid_nowidescreen)
{
if (!vid_tft)
{
fakeratio = 0;
}
else
{
fakeratio = (height * 5 / 4 == width) ? 4 : 0;
}
}
int fakeratio = ActiveFakeRatio(width, height);
if (fakeratio == -1)
fakeratio = ratio;
if (trueratio)
*trueratio = ratio;

2
src/v_video.h
View file

@ -516,6 +516,8 @@ extern "C" void ASM_PatchPitch (void);
int CheckRatio (int width, int height, int *trueratio=NULL);
static inline int CheckRatio (double width, double height) { return CheckRatio(int(width), int(height)); }
float ActiveRatio (int width, int height, float *trueratio = NULL);
static inline double ActiveRatio (double width, double height) { return ActiveRatio(int(width), int(height)); }
extern const int BaseRatioSizes[7][4];
inline bool IsRatioWidescreen(int ratio) {