raa-eruanna
commit
81545d9b4e
22 changed files with 365 additions and 194 deletions
230
src/v_video.cpp
230
src/v_video.cpp
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@ -763,6 +763,21 @@ void DCanvas::CalcGamma (float gamma, BYTE gammalookup[256])
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DSimpleCanvas::DSimpleCanvas (int width, int height, bool bgra)
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: DCanvas (width, height, bgra)
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{
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MemBuffer = nullptr;
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Resize(width, height);
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}
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void DSimpleCanvas::Resize(int width, int height)
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{
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Width = width;
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Height = height;
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if (MemBuffer != NULL)
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{
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delete[] MemBuffer;
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MemBuffer = NULL;
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}
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// Making the pitch a power of 2 is very bad for performance
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// Try to maximize the number of cache lines that can be filled
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// for each column drawing operation by making the pitch slightly
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@ -1363,7 +1378,6 @@ CCMD(clean)
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bool V_DoModeSetup (int width, int height, int bits)
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{
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DFrameBuffer *buff = I_SetMode (width, height, screen);
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int cx1, cx2;
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if (buff == NULL)
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{
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@ -1378,6 +1392,17 @@ bool V_DoModeSetup (int width, int height, int bits)
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// if D3DFB is being used for the display.
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FFont::StaticPreloadFonts();
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DisplayBits = bits;
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V_UpdateModeSize(width, height);
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M_RefreshModesList ();
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return true;
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}
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void V_UpdateModeSize (int width, int height)
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{
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int cx1, cx2;
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V_CalcCleanFacs(320, 200, width, height, &CleanXfac, &CleanYfac, &cx1, &cx2);
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CleanWidth = width / CleanXfac;
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@ -1418,32 +1443,37 @@ bool V_DoModeSetup (int width, int height, int bits)
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DisplayWidth = width;
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DisplayHeight = height;
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DisplayBits = bits;
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R_OldBlend = ~0;
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Renderer->OnModeSet();
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M_RefreshModesList ();
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}
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return true;
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void V_OutputResized (int width, int height)
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{
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V_UpdateModeSize(width, height);
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setsizeneeded = true;
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if (StatusBar != NULL)
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{
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StatusBar->ScreenSizeChanged();
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}
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}
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void V_CalcCleanFacs (int designwidth, int designheight, int realwidth, int realheight, int *cleanx, int *cleany, int *_cx1, int *_cx2)
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{
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int ratio;
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float ratio;
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int cwidth;
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int cheight;
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int cx1, cy1, cx2, cy2;
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ratio = CheckRatio(realwidth, realheight);
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if (Is54Aspect(ratio))
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ratio = ActiveRatio(realwidth, realheight);
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if (AspectTallerThanWide(ratio))
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{
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cwidth = realwidth;
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cheight = realheight * BaseRatioSizes[ratio][3] / 48;
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cheight = realheight * AspectMultiplier(ratio) / 48;
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}
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else
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{
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cwidth = realwidth * BaseRatioSizes[ratio][3] / 48;
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cwidth = realwidth * AspectMultiplier(ratio) / 48;
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cheight = realheight;
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}
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// Use whichever pair of cwidth/cheight or width/height that produces less difference
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@ -1677,20 +1707,10 @@ CUSTOM_CVAR (Int, vid_aspect, 0, CVAR_GLOBALCONFIG|CVAR_ARCHIVE)
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}
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}
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// Tries to guess the physical dimensions of the screen based on the
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// screen's pixel dimensions. Can return:
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// 0: 4:3
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// 1: 16:9
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// 2: 16:10
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// 3: 17:10
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// 4: 5:4
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// 5: 17:10 (redundant)
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// 6: 21:9
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int CheckRatio (int width, int height, int *trueratio)
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// Helper for ActiveRatio and CheckRatio. Returns the forced ratio type, or -1 if none.
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int ActiveFakeRatio(int width, int height)
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{
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int fakeratio = -1;
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int ratio;
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if ((vid_aspect >= 1) && (vid_aspect <= 6))
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{
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// [SP] User wants to force aspect ratio; let them.
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@ -1702,7 +1722,7 @@ int CheckRatio (int width, int height, int *trueratio)
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else if (fakeratio == 5)
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{
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fakeratio = 3;
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}
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}
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}
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if (vid_nowidescreen)
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{
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@ -1712,74 +1732,112 @@ int CheckRatio (int width, int height, int *trueratio)
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}
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else
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{
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fakeratio = (height * 5/4 == width) ? 4 : 0;
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fakeratio = (height * 5 / 4 == width) ? 4 : 0;
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}
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}
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// If the size is approximately 16:9, consider it so.
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if (abs (height * 16/9 - width) < 10)
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{
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ratio = 1;
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}
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// Consider 17:10 as well.
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else if (abs (height * 17/10 - width) < 10)
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{
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ratio = 3;
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}
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// 16:10 has more variance in the pixel dimensions. Grr.
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else if (abs (height * 16/10 - width) < 60)
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{
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// 320x200 and 640x400 are always 4:3, not 16:10
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if ((width == 320 && height == 200) || (width == 640 && height == 400))
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{
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ratio = 0;
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}
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else
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{
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ratio = 2;
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}
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}
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// Unless vid_tft is set, 1280x1024 is 4:3, not 5:4.
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else if (height * 5/4 == width && vid_tft)
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{
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ratio = 4;
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}
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// test for 21:9 (actually 64:27, 21:9 is a semi-accurate ratio used in marketing)
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else if (abs (height * 64/27 - width) < 30)
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{
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ratio = 6;
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}
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// Assume anything else is 4:3. (Which is probably wrong these days...)
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else
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{
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ratio = 0;
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}
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if (trueratio != NULL)
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{
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*trueratio = ratio;
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}
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return (fakeratio >= 0) ? fakeratio : ratio;
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return fakeratio;
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}
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// First column: Base width
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// Second column: Base height (used for wall visibility multiplier)
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// Third column: Psprite offset (needed for "tallscreen" modes)
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// Fourth column: Width or height multiplier
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// For widescreen aspect ratio x:y ...
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// base_width = 240 * x / y
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// multiplier = 320 / base_width
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// base_height = 200 * multiplier
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const int BaseRatioSizes[7][4] =
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// Active screen ratio based on cvars and size
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float ActiveRatio(int width, int height, float *trueratio)
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{
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{ 960, 600, 0, 48 }, // 4:3 320, 200, multiplied by three
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{ 1280, 450, 0, 48*3/4 }, // 16:9 426.6667, 150, multiplied by three
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{ 1152, 500, 0, 48*5/6 }, // 16:10 386, 166.6667, multiplied by three
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{ 1224, 471, 0, 48*40/51 }, // 17:10 408, 156.8627, multiplied by three
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{ 960, 640, (int)(6.5*FRACUNIT), 48*15/16 }, // 5:4 320, 213.3333, multiplied by three
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{ 1224, 471, 0, 48*40/51 }, // 17:10 408, 156.8627, multiplied by three (REDUNDANT)
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{ 1707, 338, 0, 48*9/16 } // 21:9 568.8889, 337.5, multiplied by three
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};
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static float forcedRatioTypes[] =
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{
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4 / 3.0f,
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16 / 9.0f,
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16 / 10.0f,
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17 / 10.0f,
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5 / 4.0f,
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17 / 10.0f,
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21 / 9.0f
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};
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float ratio = width / (float)height;
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int fakeratio = ActiveFakeRatio(width, height);
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if (trueratio)
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*trueratio = ratio;
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return (fakeratio != -1) ? forcedRatioTypes[fakeratio] : ratio;
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}
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// Tries to guess the physical dimensions of the screen based on the
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// screen's pixel dimensions. Can return:
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// 0: 4:3
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// 1: 16:9
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// 2: 16:10
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// 3: 17:10
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// 4: 5:4
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// 5: 17:10 (redundant, never returned)
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// 6: 21:9
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int CheckRatio (int width, int height, int *trueratio)
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{
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float aspect = width / (float)height;
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static std::pair<float, int> ratioTypes[] =
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{
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{ 21 / 9.0f , 6 },
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{ 16 / 9.0f , 1 },
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{ 17 / 10.0f , 3 },
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{ 16 / 10.0f , 2 },
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{ 4 / 3.0f , 0 },
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{ 5 / 4.0f , 4 },
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{ 0.0f, 0 }
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};
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int ratio = ratioTypes[0].second;
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float distance = fabs(ratioTypes[0].first - aspect);
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for (int i = 1; ratioTypes[i].first != 0.0f; i++)
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{
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float d = fabs(ratioTypes[i].first - aspect);
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if (d < distance)
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{
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ratio = ratioTypes[i].second;
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distance = d;
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}
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}
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int fakeratio = ActiveFakeRatio(width, height);
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if (fakeratio == -1)
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fakeratio = ratio;
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if (trueratio)
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*trueratio = ratio;
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return fakeratio;
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}
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int AspectBaseWidth(float aspect)
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{
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return (int)round(240.0f * aspect * 3.0f);
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}
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int AspectBaseHeight(float aspect)
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{
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if (!AspectTallerThanWide(aspect))
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return (int)round(200.0f * (320.0f / (AspectBaseWidth(aspect) / 3.0f)) * 3.0f);
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else
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return (int)round((200.0f * (4.0f / 3.0f)) / aspect * 3.0f);
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}
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double AspectPspriteOffset(float aspect)
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{
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if (!AspectTallerThanWide(aspect))
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return 0.0;
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else
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return ((4.0 / 3.0) / aspect - 1.0) * 97.5;
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}
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int AspectMultiplier(float aspect)
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{
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if (!AspectTallerThanWide(aspect))
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return (int)round(320.0f / (AspectBaseWidth(aspect) / 3.0f) * 48.0f);
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else
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return (int)round(200.0f / (AspectBaseHeight(aspect) / 3.0f) * 48.0f);
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}
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bool AspectTallerThanWide(float aspect)
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{
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return aspect < 1.333f;
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}
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void IVideo::DumpAdapters ()
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{
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