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- always recalculate the projection matrix.

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Trying to cache this is not useful, it barely saves time and was causing display errors.

# Conflicts:
#	source/build/src/polymost.cpp
This commit is contained in:
Christoph Oelckers 2020-02-09 15:51:16 +01:00
parent 77403f3b85
commit a5fc374b59
3 changed files with 18 additions and 41 deletions
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1
source/build/include/polymost.h
View file

@ -14,7 +14,6 @@ typedef struct { float r, g, b, a; } coltypef;
extern bool playing_rr;
extern int32_t rendmode;
extern float gtang;
extern float glox1;
extern double gxyaspect;
extern float grhalfxdown10x;
extern float gcosang, gsinang, gcosang2, gsinang2;

2
source/build/src/engine.cpp
View file

@ -10137,8 +10137,6 @@ void videoClearScreen(int32_t dacol)
#ifdef USE_OPENGL
if (videoGetRenderMode() >= REND_POLYMOST)
{
glox1 = -1;
palette_t const p = paletteGetColor(dacol);
GLInterface.ClearScreen(PalEntry(255, p.r, p.g, p.b));
return;

56
source/build/src/polymost.cpp
View file

@ -157,9 +157,6 @@ void gltexapplyprops(void)
//--------------------------------------------------------------------------------------------------
float glox1;
static float gloy1, glox2, gloy2, gloyxscale, gloxyaspect, glohoriz2, glohorizcorrect, glotang;
//Use this for both initialization and uninitialization of OpenGL.
static int32_t gltexcacnum = -1;
@ -218,8 +215,6 @@ void polymost_glreset()
delete polymosttext;
polymosttext=nullptr;
glox1 = -1;
#ifdef DEBUGGINGAIDS
OSD_Printf("polymost_glreset()\n");
#endif
@ -254,42 +249,29 @@ static void resizeglcheck(void)
GLInterface.ClearScreen(0xffffff, true);
}
if ((glox1 != windowxy1.x) || (gloy1 != windowxy1.y) || (glox2 != windowxy2.x) || (gloy2 != windowxy2.y) || (gloxyaspect != gxyaspect) || (gloyxscale != gyxscale) || (glohoriz2 != ghoriz2) || (glohorizcorrect != ghorizcorrect) || (glotang != gtang))
{
const int32_t ourxdimen = (windowxy2.x-windowxy1.x+1);
float ratio = 1;
const int32_t fovcorrect = (int32_t)(ourxdimen*ratio - ourxdimen);
const int32_t ourxdimen = (windowxy2.x-windowxy1.x+1);
float ratio = 1;
const int32_t fovcorrect = (int32_t)(ourxdimen*ratio - ourxdimen);
ratio = 1.f/ratio;
ratio = 1.f/ratio;
glox1 = (float)windowxy1.x; gloy1 = (float)windowxy1.y;
glox2 = (float)windowxy2.x; gloy2 = (float)windowxy2.y;
GLInterface.SetViewport(windowxy1.x-(fovcorrect/2), ydim-(windowxy2.y+1),
ourxdimen+fovcorrect, windowxy2.y-windowxy1.y+1);
GLInterface.SetViewport(windowxy1.x-(fovcorrect/2), ydim-(windowxy2.y+1),
ourxdimen+fovcorrect, windowxy2.y-windowxy1.y+1);
float m[4][4]{};
float m[4][4];
Bmemset(m,0,sizeof(m));
float const nearclip = 4.0f / (gxyaspect * gyxscale * 1024.f);
float const farclip = 64.f;
float const nearclip = 4.0f / (gxyaspect * gyxscale * 1024.f);
float const farclip = 64.f;
gloxyaspect = gxyaspect;
gloyxscale = gyxscale;
glohoriz2 = ghoriz2;
glohorizcorrect = ghorizcorrect;
glotang = gtang;
m[0][0] = 1.f;
m[1][1] = fxdimen / (fydimen * ratio);
m[2][0] = 2.f * ghoriz2 * gstang / fxdimen;
m[2][1] = 2.f * (ghoriz2 * gctang + ghorizcorrect) / fydimen;
m[2][2] = (farclip + nearclip) / (farclip - nearclip);
m[2][3] = 1.f;
m[3][2] = -(2.f * farclip * nearclip) / (farclip - nearclip);
GLInterface.SetMatrix(Matrix_Projection, &m[0][0]);
GLInterface.SetIdentityMatrix(Matrix_Model);
}
m[0][0] = 1.f;
m[1][1] = fxdimen / (fydimen * ratio);
m[2][0] = 2.f * ghoriz2 * gstang / fxdimen;
m[2][1] = 2.f * (ghoriz2 * gctang + ghorizcorrect) / fydimen;
m[2][2] = (farclip + nearclip) / (farclip - nearclip);
m[2][3] = 1.f;
m[3][2] = -(2.f * farclip * nearclip) / (farclip - nearclip);
GLInterface.SetMatrix(Matrix_Projection, &m[0][0]);
GLInterface.SetIdentityMatrix(Matrix_Model);
}
void uploadbasepalette(int32_t basepalnum)
@ -4562,12 +4544,10 @@ void polymost_dorotatespritemodel(int32_t sx, int32_t sy, int32_t z, int16_t a,
if ((dastat&(RS_AUTO|RS_NOCLIP)) == RS_AUTO)
{
GLInterface.SetViewport(windowxy1.x, ydim-(windowxy2.y+1), windowxy2.x-windowxy1.x+1, windowxy2.y-windowxy1.y+1);
glox1 = -1;
}
else
{
GLInterface.SetViewport(0, 0, xdim, ydim);
glox1 = -1; //Force fullscreen (glox1=-1 forces it to restore)
}
{