mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-05 02:55:07 +01:00
422 lines
11 KiB
C++
422 lines
11 KiB
C++
/****************************************************************************
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* libwiigui Template
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* Tantric 2009
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*
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* video.cpp
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* Video routines
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***************************************************************************/
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#include <gccore.h>
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#include <ogcsys.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <wiiuse/wpad.h>
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#include "input.h"
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#include "libwiigui/gui.h"
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#include "cfg.h"
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#define DEFAULT_FIFO_SIZE 256 * 1024
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static unsigned int *xfb[2] = { NULL, NULL }; // Double buffered
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static int whichfb = 0; // Switch
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static GXRModeObj *vmode; // Menu video mode
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static unsigned char gp_fifo[DEFAULT_FIFO_SIZE] ATTRIBUTE_ALIGN (32);
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static Mtx GXmodelView2D;
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int screenheight;
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int screenwidth;
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/****************************************************************************
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* UpdatePadsCB
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*
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* called by postRetraceCallback in InitGCVideo - scans gcpad and wpad
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***************************************************************************/
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static void
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UpdatePadsCB ()
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{
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#ifdef HW_RVL
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WPAD_ScanPads();
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#endif
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PAD_ScanPads();
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for(int i=3; i >= 0; i--)
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{
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#ifdef HW_RVL
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memcpy(&userInput[i].wpad, WPAD_Data(i), sizeof(WPADData));
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#endif
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userInput[i].chan = i;
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userInput[i].pad.btns_d = PAD_ButtonsDown(i);
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userInput[i].pad.btns_u = PAD_ButtonsUp(i);
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userInput[i].pad.btns_h = PAD_ButtonsHeld(i);
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userInput[i].pad.stickX = PAD_StickX(i);
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userInput[i].pad.stickY = PAD_StickY(i);
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userInput[i].pad.substickX = PAD_SubStickX(i);
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userInput[i].pad.substickY = PAD_SubStickY(i);
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userInput[i].pad.triggerL = PAD_TriggerL(i);
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userInput[i].pad.triggerR = PAD_TriggerR(i);
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}
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}
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/****************************************************************************
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* StartGX
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*
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* Initialises GX and sets it up for use
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***************************************************************************/
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static void
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StartGX ()
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{
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GXColor background = { 0, 0, 0, 0xff };
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/*** Clear out FIFO area ***/
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memset (&gp_fifo, 0, DEFAULT_FIFO_SIZE);
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/*** Initialise GX ***/
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GX_Init (&gp_fifo, DEFAULT_FIFO_SIZE);
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GX_SetCopyClear (background, 0x00ffffff);
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GX_SetDispCopyGamma (GX_GM_1_0);
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GX_SetCullMode (GX_CULL_NONE);
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}
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/****************************************************************************
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* ResetVideo_Menu
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*
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* Reset the video/rendering mode for the menu
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****************************************************************************/
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void
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ResetVideo_Menu()
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{
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Mtx44 p;
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f32 yscale;
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u32 xfbHeight;
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VIDEO_Configure (vmode);
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VIDEO_Flush();
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VIDEO_WaitVSync();
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if (vmode->viTVMode & VI_NON_INTERLACE)
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VIDEO_WaitVSync();
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else
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while (VIDEO_GetNextField())
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VIDEO_WaitVSync();
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// clears the bg to color and clears the z buffer
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GXColor background = {0, 0, 0, 255};
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GX_SetCopyClear (background, 0x00ffffff);
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yscale = GX_GetYScaleFactor(vmode->efbHeight,vmode->xfbHeight);
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xfbHeight = GX_SetDispCopyYScale(yscale);
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GX_SetScissor(0,0,vmode->fbWidth,vmode->efbHeight);
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GX_SetDispCopySrc(0,0,vmode->fbWidth,vmode->efbHeight);
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GX_SetDispCopyDst(vmode->fbWidth,xfbHeight);
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GX_SetCopyFilter(vmode->aa,vmode->sample_pattern,GX_TRUE,vmode->vfilter);
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GX_SetFieldMode(vmode->field_rendering,((vmode->viHeight==2*vmode->xfbHeight)?GX_ENABLE:GX_DISABLE));
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if (vmode->aa)
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GX_SetPixelFmt(GX_PF_RGB565_Z16, GX_ZC_LINEAR);
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else
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GX_SetPixelFmt(GX_PF_RGB8_Z24, GX_ZC_LINEAR);
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// setup the vertex descriptor
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// tells the flipper to expect direct data
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GX_ClearVtxDesc();
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GX_InvVtxCache ();
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GX_InvalidateTexAll();
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GX_SetVtxDesc(GX_VA_TEX0, GX_NONE);
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GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
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GX_SetVtxDesc (GX_VA_CLR0, GX_DIRECT);
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GX_SetVtxAttrFmt (GX_VTXFMT0, GX_VA_POS, GX_POS_XYZ, GX_F32, 0);
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GX_SetVtxAttrFmt (GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
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GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_F32, 0);
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GX_SetZMode (GX_FALSE, GX_LEQUAL, GX_TRUE);
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GX_SetNumChans(1);
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GX_SetNumTexGens(1);
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GX_SetTevOp (GX_TEVSTAGE0, GX_PASSCLR);
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GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
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GX_SetTexCoordGen(GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY);
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guMtxIdentity(GXmodelView2D);
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guMtxTransApply (GXmodelView2D, GXmodelView2D, 0.0F, 0.0F, -200.0F);
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GX_LoadPosMtxImm(GXmodelView2D,GX_PNMTX0);
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guOrtho(p,0,479,0,639,0,300);
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GX_LoadProjectionMtx(p, GX_ORTHOGRAPHIC);
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GX_SetViewport(0,0,vmode->fbWidth,vmode->efbHeight,0,1);
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GX_SetBlendMode(GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_CLEAR);
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GX_SetAlphaUpdate(GX_TRUE);
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}
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/****************************************************************************
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* InitVideo
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*
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* This function MUST be called at startup.
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* - also sets up menu video mode
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***************************************************************************/
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void
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InitVideo ()
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{
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VIDEO_Init();
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vmode = VIDEO_GetPreferredMode(NULL); // get default video mode
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// widescreen fix
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if(CFG.widescreen)
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{
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vmode->viWidth = VI_MAX_WIDTH_PAL-12;
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vmode->viXOrigin = ((VI_MAX_WIDTH_PAL - vmode->viWidth) / 2) + 2;
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}
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VIDEO_Configure (vmode);
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screenheight = 480;
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screenwidth = vmode->fbWidth;
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// Allocate the video buffers
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xfb[0] = (u32 *) MEM_K0_TO_K1 (SYS_AllocateFramebuffer (vmode));
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xfb[1] = (u32 *) MEM_K0_TO_K1 (SYS_AllocateFramebuffer (vmode));
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// A console is always useful while debugging
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console_init (xfb[0], 20, 64, vmode->fbWidth, vmode->xfbHeight, vmode->fbWidth * 2);
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// Clear framebuffers etc.
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VIDEO_ClearFrameBuffer (vmode, xfb[0], COLOR_BLACK);
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VIDEO_ClearFrameBuffer (vmode, xfb[1], COLOR_BLACK);
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VIDEO_SetNextFramebuffer (xfb[0]);
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// video callback
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VIDEO_SetPostRetraceCallback ((VIRetraceCallback)UpdatePadsCB);
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VIDEO_SetBlack (FALSE);
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VIDEO_Flush ();
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VIDEO_WaitVSync ();
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if (vmode->viTVMode & VI_NON_INTERLACE)
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VIDEO_WaitVSync ();
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StartGX();
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ResetVideo_Menu();
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// Finally, the video is up and ready for use :)
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}
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/****************************************************************************
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* StopGX
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*
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* Stops GX (when exiting)
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***************************************************************************/
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void StopGX()
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{
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GX_AbortFrame();
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GX_Flush();
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VIDEO_SetBlack(TRUE);
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VIDEO_Flush();
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}
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/****************************************************************************
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* Menu_Render
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*
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* Renders everything current sent to GX, and flushes video
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***************************************************************************/
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void Menu_Render()
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{
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GX_DrawDone ();
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whichfb ^= 1; // flip framebuffer
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GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE);
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GX_SetColorUpdate(GX_TRUE);
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GX_CopyDisp(xfb[whichfb],GX_TRUE);
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VIDEO_SetNextFramebuffer(xfb[whichfb]);
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VIDEO_Flush();
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VIDEO_WaitVSync();
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}
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/****************************************************************************
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* Menu_DrawImg
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*
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* Draws the specified image on screen using GX
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***************************************************************************/
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void Menu_DrawImg(f32 xpos, f32 ypos, f32 zpos, u16 width, u16 height, u8 data[],
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f32 degrees, f32 scaleX, f32 scaleY, u8 alpha)
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{
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if(data == NULL)
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return;
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GXTexObj texObj;
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GX_InitTexObj(&texObj, data, width,height, GX_TF_RGBA8,GX_CLAMP, GX_CLAMP,GX_FALSE);
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GX_LoadTexObj(&texObj, GX_TEXMAP0);
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GX_InvalidateTexAll();
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GX_SetTevOp (GX_TEVSTAGE0, GX_MODULATE);
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GX_SetVtxDesc (GX_VA_TEX0, GX_DIRECT);
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Mtx m,m1,m2, mv;
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width *=.5;
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height*=.5;
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guMtxIdentity (m1);
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guMtxScaleApply(m1,m1,scaleX,scaleY,1.0);
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Vector axis = (Vector) {0 , 0, 1 };
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guMtxRotAxisDeg (m2, &axis, degrees);
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// guMtxConcat(m2,m1,m);
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guMtxConcat(m1,m2,m);
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guMtxTransApply(m,m, xpos+width+0.5,ypos+height+0.5,zpos);
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guMtxConcat (GXmodelView2D, m, mv);
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GX_LoadPosMtxImm (mv, GX_PNMTX0);
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GX_Begin(GX_QUADS, GX_VTXFMT0,4);
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GX_Position3f32(-width, -height, 0);
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GX_Color4u8(0xFF,0xFF,0xFF,alpha);
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GX_TexCoord2f32(0, 0);
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GX_Position3f32(width, -height, 0);
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GX_Color4u8(0xFF,0xFF,0xFF,alpha);
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GX_TexCoord2f32(1, 0);
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GX_Position3f32(width, height, 0);
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GX_Color4u8(0xFF,0xFF,0xFF,alpha);
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GX_TexCoord2f32(1, 1);
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GX_Position3f32(-width, height, 0);
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GX_Color4u8(0xFF,0xFF,0xFF,alpha);
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GX_TexCoord2f32(0, 1);
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GX_End();
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GX_LoadPosMtxImm (GXmodelView2D, GX_PNMTX0);
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GX_SetTevOp (GX_TEVSTAGE0, GX_PASSCLR);
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GX_SetVtxDesc (GX_VA_TEX0, GX_NONE);
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}
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/****************************************************************************
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* Menu_DrawRectangle
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*
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* Draws a rectangle at the specified coordinates using GX
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***************************************************************************/
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void Menu_DrawRectangle(f32 x, f32 y, f32 width, f32 height, GXColor color, u8 filled)
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{
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u8 fmt;
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long n;
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int i;
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f32 x2 = x+width;
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f32 y2 = y+height;
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Vector v[] = {{x,y,0.0f}, {x2,y,0.0f}, {x2,y2,0.0f}, {x,y2,0.0f}, {x,y,0.0f}};
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if(!filled)
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{
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fmt = GX_LINESTRIP;
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n = 5;
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}
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else
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{
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fmt = GX_TRIANGLEFAN;
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n = 4;
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}
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GX_Begin(fmt, GX_VTXFMT0, n);
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for(i=0; i<n; i++)
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{
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GX_Position3f32(v[i].x, v[i].y, v[i].z);
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GX_Color4u8(color.r, color.g, color.b, color.a);
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}
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GX_End();
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}
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void Menu_DrawDiskCover(f32 xpos, f32 ypos, f32 zpos, u16 width, u16 height, u16 distance,u8 data[],
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f32 deg_alpha, f32 deg_beta, f32 scaleX, f32 scaleY, u8 alpha, bool shadow)
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{
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if(data == NULL)
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return;
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GXTexObj texObj;
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GX_InitTexObj(&texObj, data, width,height, GX_TF_RGBA8,GX_CLAMP, GX_CLAMP,GX_FALSE);
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GX_LoadTexObj(&texObj, GX_TEXMAP0);
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GX_InvalidateTexAll();
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GX_SetTevOp (GX_TEVSTAGE0, GX_MODULATE);
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GX_SetVtxDesc (GX_VA_TEX0, GX_DIRECT);
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f32 cos_beta = cos(DegToRad(deg_beta));
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f32 s_offset_y = (zpos + (cos_beta * distance)) * tan(DegToRad(5));
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f32 s_offset_x = (cos_beta<0?-cos_beta:cos_beta) * s_offset_y;
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f32 s_offset_z = (s_offset_y<0 ? 0 : s_offset_y)*2;
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Mtx m,m1,m2,m3,m4, mv;
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width *=.5;
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height*=.5;
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guMtxIdentity (m4);
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guMtxTransApply(m4,m4, 0, 0, distance);
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guMtxIdentity (m1);
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guMtxScaleApply(m1,m1,scaleX,scaleY,1.0);
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Vector axis2 = (Vector) {0 , 1, 0 };
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guMtxRotAxisDeg (m2, &axis2, deg_beta);
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Vector axis = (Vector) {0 , 0, 1 };
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guMtxRotAxisDeg (m3, &axis, deg_alpha);
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// guMtxConcat(m2,m1,m);
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guMtxConcat(m3,m4,m3); // move distance then rotate z-axis
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guMtxConcat(m2,m3,m2); // rotate y-axis
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guMtxConcat(m1,m2,m); // scale
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if(shadow)
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guMtxTransApply(m,m, xpos+width+0.5+s_offset_x,ypos+height+0.5+s_offset_y,zpos-s_offset_z);
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else
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guMtxTransApply(m,m, xpos+width+0.5,ypos+height+0.5,zpos);
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guMtxConcat (GXmodelView2D, m, mv);
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GX_LoadPosMtxImm (mv, GX_PNMTX0);
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if(shadow)
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{
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GX_Begin(GX_QUADS, GX_VTXFMT0,4);
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GX_Position3f32(-width, -height, 0);
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GX_Color4u8(0,0,0,alpha);
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GX_TexCoord2f32(0, 0);
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GX_Position3f32(width, -height, 0);
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GX_Color4u8(0,0,0,alpha);
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GX_TexCoord2f32(1, 0);
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GX_Position3f32(width, height, 0);
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GX_Color4u8(0,0,0,alpha);
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GX_TexCoord2f32(1, 1);
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GX_Position3f32(-width, height, 0);
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GX_Color4u8(0,0,0,alpha);
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GX_TexCoord2f32(0, 1);
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}
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else
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{
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GX_Begin(GX_QUADS, GX_VTXFMT0,4);
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GX_Position3f32(-width, -height, 0);
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GX_Color4u8(0xFF,0xFF,0xFF,alpha);
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GX_TexCoord2f32(0, 0);
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GX_Position3f32(width, -height, 0);
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GX_Color4u8(0xFF,0xFF,0xFF,alpha);
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GX_TexCoord2f32(1, 0);
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GX_Position3f32(width, height, 0);
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GX_Color4u8(0xFF,0xFF,0xFF,alpha);
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GX_TexCoord2f32(1, 1);
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GX_Position3f32(-width, height, 0);
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GX_Color4u8(0xFF,0xFF,0xFF,alpha);
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GX_TexCoord2f32(0, 1);
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}
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GX_End();
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GX_LoadPosMtxImm (GXmodelView2D, GX_PNMTX0);
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GX_SetTevOp (GX_TEVSTAGE0, GX_PASSCLR);
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GX_SetVtxDesc (GX_VA_TEX0, GX_NONE);
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}
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