The-Homebrew-Cloud/vbagx
2
0
Fork 0
mirror of https://github.com/dborth/vbagx.git synced 2024-12-25 02:02:02 +01:00
Code Issues Packages Projects Releases Wiki Activity

quash scaling bugs, change from persp to ortho, correct AR, full widescreen support

Browse Source
This commit is contained in:
dborth 2008-11-05 07:21:50 +00:00
parent 146e2f111f
commit 625b02031f
1 changed files with 71 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

114
source/ngc/video.cpp
View File

@ -61,14 +61,14 @@ camera;
This structure controls the size of the image on the screen.
***/
static s16 square[] ATTRIBUTE_ALIGN(32) = {
/*
* X, Y, Z
* Values set are for roughly 4:3 aspect
*/
-200, 200, 0, // 0
200, 200, 0, // 1
200, -200, 0, // 2
-200, -200, 0, // 3
/*
* X, Y, Z
* Values set are for roughly 4:3 aspect
*/
-200, 200, 0, // 0
200, 200, 0, // 1
200, -200, 0, // 2
-200, -200, 0 // 3
};
static camera cam = { {0.0F, 0.0F, 0.0F},
@ -178,18 +178,14 @@ static void draw_init(void)
GX_SetArray (GX_VA_POS, square, 3 * sizeof (s16));
GX_SetNumTexGens (1);
GX_SetNumChans (0);
GX_SetTexCoordGen (GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY);
GX_SetTevOp (GX_TEVSTAGE0, GX_REPLACE);
GX_SetTevOrder (GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLORNULL);
memset (&view, 0, sizeof (Mtx));
guLookAt(view, &cam.pos, &cam.up, &cam.view);
GX_LoadPosMtxImm (view, GX_PNMTX0);
GX_InvVtxCache (); // update vertex cache
GX_InitTexObj(&texobj, texturemem, vwidth, vheight, GX_TF_RGB565,
GX_CLAMP, GX_CLAMP, GX_FALSE);
if (!(GCSettings.render&1))
GX_InitTexObjLOD(&texobj,GX_NEAR,GX_NEAR_MIP_NEAR,2.5,9.0,0.0,GX_FALSE,GX_FALSE,GX_ANISO_1); // original/unfiltered video mode: force texture filtering OFF
}
static void draw_vert(u8 pos, u8 c, f32 s, f32 t)
@ -227,13 +223,12 @@ void GX_Start()
GXColor background = { 0, 0, 0, 0xff };
/*** Clear out FIFO area ***/
memset (&gp_fifo, 0, DEFAULT_FIFO_SIZE);
memset (gp_fifo, 0, DEFAULT_FIFO_SIZE);
/*** Initialise GX ***/
GX_Init (&gp_fifo, DEFAULT_FIFO_SIZE);
GX_SetCopyClear (background, 0x00ffffff);
GX_SetViewport (0, 0, vmode->fbWidth, vmode->efbHeight, 0, 1);
GX_SetDispCopyYScale ((f32) vmode->xfbHeight / (f32) vmode->efbHeight);
GX_SetScissor (0, 0, vmode->fbWidth, vmode->efbHeight);
@ -247,13 +242,12 @@ void GX_Start()
GX_SetPixelFmt (GX_PF_RGB8_Z24, GX_ZC_LINEAR);
GX_SetCullMode (GX_CULL_NONE);
GX_SetDispCopyGamma (GX_GM_1_0);
GX_SetZMode (GX_TRUE, GX_LEQUAL, GX_TRUE);
GX_SetColorUpdate (GX_TRUE);
guPerspective(p, 60, 1.33F, 10.0F, 1000.0F);
GX_LoadProjectionMtx(p, GX_PERSPECTIVE);
guOrtho(p, vmode->efbHeight/2, -(vmode->efbHeight/2), -(vmode->fbWidth/2), vmode->fbWidth/2, 10, 1000); // matrix, t, b, l, r, n, f
GX_LoadProjectionMtx (p, GX_ORTHOGRAPHIC);
GX_CopyDisp (xfb[whichfb], GX_TRUE); // reset xfb
GX_Flush();
}
/****************************************************************************
@ -311,6 +305,10 @@ void InitialiseVideo ()
if (vmode->viTVMode == VI_TVMODE_NTSC_PROG)
progressive = true;
// widescreen fix
vmode->viWidth = 678;
vmode->viXOrigin = (VI_MAX_WIDTH_PAL - 678) / 2;
VIDEO_Configure(vmode);
screenheight = vmode->xfbHeight;
@ -347,9 +345,21 @@ void InitialiseVideo ()
void UpdateScaling()
{
// Update scaling
int xscale = video_haspect;
int yscale = video_vaspect;
int xscale;
int yscale;
// keep correct aspect ratio
// and use entire screen
if(vwidth == 240) // GBA
{
xscale = 320;
yscale = 213;
}
else // GB
{
xscale = 266;
yscale = 240;
}
if (GCSettings.widescreen)
xscale = (3*xscale)/4;
@ -358,16 +368,19 @@ void UpdateScaling()
xscale *= GCSettings.ZoomLevel;
yscale *= GCSettings.ZoomLevel;
// Set new aspect (now with crap AR hack!)
square[0] = square[9] = (-xscale - 7);
square[3] = square[6] = ( xscale + 7);
square[1] = square[4] = ( yscale + 7);
square[7] = square[10] = (-yscale - 7);
// Set new aspect
square[0] = square[9] = -xscale;
square[3] = square[6] = xscale;
square[1] = square[4] = yscale;
square[7] = square[10] = -yscale;
draw_init ();
if(updateScaling)
updateScaling--;
memset(&view, 0, sizeof(Mtx));
guLookAt(view, &cam.pos, &cam.up, &cam.view);
GX_SetViewport(0, 0, vmode->fbWidth, vmode->efbHeight, 0, 1);
updateScaling = 0;
}
/****************************************************************************
@ -398,14 +411,19 @@ ResetVideo_Emu ()
GX_SetViewport (0, 0, rmode->fbWidth, rmode->efbHeight, 0, 1);
GX_SetDispCopyYScale ((f32) rmode->xfbHeight / (f32) rmode->efbHeight);
GX_SetScissor (0, 0, rmode->fbWidth, rmode->efbHeight);
GX_SetDispCopySrc (0, 0, rmode->fbWidth, rmode->efbHeight);
GX_SetDispCopyDst (rmode->fbWidth, rmode->xfbHeight);
GX_SetCopyFilter (rmode->aa, rmode->sample_pattern, (GCSettings.render == 1) ? GX_TRUE : GX_FALSE, rmode->vfilter); // deflickering filter only for filtered mode
GX_SetFieldMode (rmode->field_rendering, ((rmode->viHeight == 2 * rmode->xfbHeight) ? GX_ENABLE : GX_DISABLE));
GX_SetPixelFmt (GX_PF_RGB8_Z24, GX_ZC_LINEAR);
guPerspective(p, 60, 1.33F, 10.0F, 1000.0F);
GX_LoadProjectionMtx(p, GX_PERSPECTIVE);
GX_SetFieldMode (rmode->field_rendering, ((rmode->viHeight == 2 * rmode->xfbHeight) ? GX_ENABLE : GX_DISABLE));
GX_SetPixelFmt (GX_PF_RGB8_Z24, GX_ZC_LINEAR);
GX_SetCullMode (GX_CULL_NONE);
GX_SetDispCopyGamma (GX_GM_1_0);
guOrtho(p, rmode->efbHeight/2, -(rmode->efbHeight/2), -(rmode->fbWidth/2), rmode->fbWidth/2, 10, 1000); // matrix, t, b, l, r, n, f
GX_LoadProjectionMtx (p, GX_ORTHOGRAPHIC);
// reinitialize texture
GX_InvalidateTexAll ();
@ -413,8 +431,10 @@ ResetVideo_Emu ()
if (!(GCSettings.render&1))
GX_InitTexObjLOD(&texobj,GX_NEAR,GX_NEAR_MIP_NEAR,2.5,9.0,0.0,GX_FALSE,GX_FALSE,GX_ANISO_1); // original/unfiltered video mode: force texture filtering OFF
GX_Flush();
// set aspect ratio
updateScaling = 5;
updateScaling = 1;
}
/****************************************************************************
@ -448,8 +468,8 @@ ResetVideo_Menu ()
GX_SetFieldMode (vmode->field_rendering, ((vmode->viHeight == 2 * vmode->xfbHeight) ? GX_ENABLE : GX_DISABLE));
GX_SetPixelFmt (GX_PF_RGB8_Z24, GX_ZC_LINEAR);
guPerspective(p, 60, 1.33F, 10.0F, 1000.0F);
GX_LoadProjectionMtx(p, GX_PERSPECTIVE);
guOrtho(p, vmode->efbHeight/2, -(vmode->efbHeight/2), -(vmode->fbWidth/2), vmode->fbWidth/2, 10, 1000); // matrix, t, b, l, r, n, f
GX_LoadProjectionMtx (p, GX_ORTHOGRAPHIC);
}
void GX_Render_Init(int width, int height, int haspect, int vaspect)
@ -502,7 +522,10 @@ void GX_Render(int width, int height, u8 * buffer, int pitch)
UpdateScaling();
// clear texture objects
GX_InvVtxCache();
GX_InvalidateTexAll();
GX_SetTevOp(GX_TEVSTAGE0, GX_DECAL);
GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
for (h = 0; h < vheight; h += 4)
{
@ -534,12 +557,17 @@ void GX_Render(int width, int height, u8 * buffer, int pitch)
// load texture into GX
DCFlushRange(texturemem, texturesize);
GX_LoadTexObj (&texobj, GX_TEXMAP0);
GX_SetNumChans(1);
GX_LoadTexObj(&texobj, GX_TEXMAP0);
// render textured quad
draw_square(view);
GX_DrawDone();
GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE);
GX_SetColorUpdate(GX_TRUE);
// EFB is ready to be copied into XFB
VIDEO_SetNextFramebuffer(xfb[whichfb]);
VIDEO_Flush();
@ -565,12 +593,12 @@ zoom (float speed)
else if (GCSettings.ZoomLevel > 2.0)
GCSettings.ZoomLevel = 2.0;
updateScaling = 5; // update video
updateScaling = 1; // update video
}
void
zoom_reset ()
{
GCSettings.ZoomLevel = 1.0;
updateScaling = 5; // update video
updateScaling = 1; // update video
}