/**************************************************************************** * libwiigui Template * Tantric 2009 * * video.cpp * Video routines ***************************************************************************/ #include #include #include #include #include #include #include #include #include "input.h" #include "gecko.h" #include "libwiigui/gui.h" #define DEFAULT_FIFO_SIZE 256 * 1024 static unsigned int *xfb[2] = { NULL, NULL }; // Double buffered static int whichfb = 0; // Switch static GXRModeObj *vmode; // Menu video mode static unsigned char gp_fifo[DEFAULT_FIFO_SIZE] ATTRIBUTE_ALIGN ( 32 ); static Mtx GXmodelView2D; int screenheight; int screenwidth; u32 frameCount = 0; u8 * gameScreenTex = NULL; // a GX texture screen capture of the game u8 * gameScreenTex2 = NULL; // a GX texture screen capture of the game (copy) /**************************************************************************** * ResetVideo_Menu * * Reset the video/rendering mode for the menu ****************************************************************************/ void ResetVideo_Menu() { Mtx44 p; f32 yscale; u32 xfbHeight; VIDEO_Configure(vmode); VIDEO_Flush(); VIDEO_WaitVSync(); if (vmode->viTVMode & VI_NON_INTERLACE) VIDEO_WaitVSync(); else while (VIDEO_GetNextField()) VIDEO_WaitVSync(); // clears the bg to color and clears the z buffer GXColor background = { 0, 0, 0, 255 }; GX_SetCopyClear(background, 0x00ffffff); yscale = GX_GetYScaleFactor(vmode->efbHeight, vmode->xfbHeight); xfbHeight = GX_SetDispCopyYScale(yscale); GX_SetScissor(0, 0, vmode->fbWidth, vmode->efbHeight); GX_SetDispCopySrc(0, 0, vmode->fbWidth, vmode->efbHeight); GX_SetDispCopyDst(vmode->fbWidth, xfbHeight); GX_SetCopyFilter(vmode->aa, vmode->sample_pattern, GX_TRUE, vmode->vfilter); GX_SetFieldMode(vmode->field_rendering, ((vmode->viHeight == 2 * vmode->xfbHeight) ? GX_ENABLE : GX_DISABLE)); if (vmode->aa) GX_SetPixelFmt(GX_PF_RGB565_Z16, GX_ZC_LINEAR); else GX_SetPixelFmt(GX_PF_RGB8_Z24, GX_ZC_LINEAR); // setup the vertex descriptor // tells the flipper to expect direct data GX_ClearVtxDesc(); GX_InvVtxCache(); GX_InvalidateTexAll(); GX_SetVtxDesc(GX_VA_TEX0, GX_NONE); GX_SetVtxDesc(GX_VA_POS, GX_DIRECT); GX_SetVtxDesc(GX_VA_CLR0, GX_DIRECT); GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_POS_XYZ, GX_F32, 0); GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0); GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_F32, 0); GX_SetZMode(GX_FALSE, GX_LEQUAL, GX_TRUE); GX_SetNumChans(1); GX_SetNumTexGens(1); GX_SetTevOp(GX_TEVSTAGE0, GX_PASSCLR); GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0); GX_SetTexCoordGen(GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY); guMtxIdentity(GXmodelView2D); guMtxTransApply(GXmodelView2D, GXmodelView2D, 0.0F, 0.0F, -200.0F); GX_LoadPosMtxImm(GXmodelView2D, GX_PNMTX0); guOrtho(p, 0, 479, 0, 639, 0, 300); GX_LoadProjectionMtx(p, GX_ORTHOGRAPHIC); GX_SetViewport(0, 0, vmode->fbWidth, vmode->efbHeight, 0, 1); GX_SetBlendMode(GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_CLEAR); GX_SetAlphaUpdate(GX_TRUE); } /**************************************************************************** * InitVideo * * This function MUST be called at startup. * - also sets up menu video mode ***************************************************************************/ void InitVideo() { VIDEO_Init(); vmode = VIDEO_GetPreferredMode(NULL); // get default video mode if (CONF_GetAspectRatio() == CONF_ASPECT_16_9) { // widescreen fix vmode->viWidth = VI_MAX_WIDTH_PAL - 12; vmode->viXOrigin = ((VI_MAX_WIDTH_PAL - vmode->viWidth) / 2) + 2; } VIDEO_Configure(vmode); screenheight = 480; screenwidth = vmode->fbWidth; // Allocate the video buffers xfb[0] = (u32 *) MEM_K0_TO_K1 ( SYS_AllocateFramebuffer ( vmode ) ); xfb[1] = (u32 *) MEM_K0_TO_K1 ( SYS_AllocateFramebuffer ( vmode ) ); // Clear framebuffers etc. VIDEO_ClearFrameBuffer(vmode, xfb[0], COLOR_BLACK); VIDEO_ClearFrameBuffer(vmode, xfb[1], COLOR_BLACK); VIDEO_SetNextFramebuffer(xfb[0]); VIDEO_Flush(); VIDEO_WaitVSync(); if (vmode->viTVMode & VI_NON_INTERLACE) VIDEO_WaitVSync(); // Initialize GX GXColor background = { 0, 0, 0, 0xff }; memset (&gp_fifo, 0, DEFAULT_FIFO_SIZE); GX_Init (&gp_fifo, DEFAULT_FIFO_SIZE); GX_SetCopyClear (background, 0x00ffffff); GX_SetDispCopyGamma (GX_GM_1_0); GX_SetCullMode (GX_CULL_NONE); ResetVideo_Menu(); VIDEO_SetBlack(FALSE); // Finally, the video is up and ready for use :) // A console is always useful while debugging //console_init(xfb[0], 80, 100, 500, 350, vmode->fbWidth * 2); } void VIDEO_SetWidescreen(bool widescreen) { if (widescreen) { // widescreen fix vmode->viWidth = VI_MAX_WIDTH_PAL - 12; vmode->viXOrigin = ((VI_MAX_WIDTH_PAL - vmode->viWidth) / 2) + 2; } else { VIDEO_GetPreferredMode(NULL); } VIDEO_Configure(vmode); } /**************************************************************************** * StopGX * * Stops GX (when exiting) ***************************************************************************/ void StopGX() { GX_AbortFrame(); GX_Flush(); VIDEO_SetBlack(TRUE); VIDEO_Flush(); } /**************************************************************************** * Menu_Render * * Renders everything current sent to GX, and flushes video ***************************************************************************/ void Menu_Render() { whichfb ^= 1; // flip framebuffer GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE); GX_SetColorUpdate(GX_TRUE); GX_CopyDisp(xfb[whichfb], GX_TRUE); GX_DrawDone(); VIDEO_SetNextFramebuffer(xfb[whichfb]); VIDEO_Flush(); VIDEO_WaitVSync(); frameCount++; } /**************************************************************************** * Menu_DrawImg * * Draws the specified image on screen using GX ***************************************************************************/ void Menu_DrawImg(f32 xpos, f32 ypos, f32 zpos, f32 width, f32 height, u8 data[], f32 degrees, f32 scaleX, f32 scaleY, u8 alpha, int XX1, int YY1, int XX2, int YY2, int XX3, int YY3, int XX4, int YY4) { if (data == NULL) return; GXTexObj texObj; GX_InitTexObj(&texObj, data, width, height, GX_TF_RGBA8, GX_CLAMP, GX_CLAMP, GX_FALSE); GX_LoadTexObj(&texObj, GX_TEXMAP0); GX_InvalidateTexAll(); GX_SetTevOp(GX_TEVSTAGE0, GX_MODULATE); GX_SetVtxDesc(GX_VA_TEX0, GX_DIRECT); Mtx m, m1, m2, mv; width *= .5; height *= .5; guMtxIdentity(m1); guMtxScaleApply(m1, m1, scaleX, scaleY, 1.0); guVector axis = ( guVector ) { 0 , 0, 1 }; guMtxRotAxisDeg ( m2, &axis, degrees ); // guMtxConcat(m2,m1,m); guMtxConcat(m1, m2, m); guMtxTransApply(m, m, xpos + width + 0.5, ypos + height + 0.5, zpos); guMtxConcat(GXmodelView2D, m, mv); GX_LoadPosMtxImm(mv, GX_PNMTX0); // GX_Begin(GX_QUADS, GX_VTXFMT0, 4); GX_Position3f32(-width + XX1, -height + YY1, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(0, 0); GX_Position3f32(width + XX2, -height + YY2, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(1, 0); GX_Position3f32(width + XX3, height + YY3, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(1, 1); GX_Position3f32(-width + XX4, height + YY4, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(0, 1); // GX_End(); GX_LoadPosMtxImm(GXmodelView2D, GX_PNMTX0); GX_SetTevOp(GX_TEVSTAGE0, GX_PASSCLR); GX_SetVtxDesc(GX_VA_TEX0, GX_NONE); } /**************************************************************************** * Menu_DrawRectangle * * Draws a rectangle at the specified coordinates using GX ***************************************************************************/ void Menu_DrawRectangle(f32 x, f32 y, f32 width, f32 height, GXColor color, u8 filled) { u8 fmt; long n; int i; f32 x2 = x + width; f32 y2 = y + height; guVector v[] = { { x, y, 0.0f }, { x2, y, 0.0f }, { x2, y2, 0.0f }, { x, y2, 0.0f }, { x, y, 0.0f } }; if (!filled) { fmt = GX_LINESTRIP; n = 5; } else { fmt = GX_TRIANGLEFAN; n = 4; } GX_Begin(fmt, GX_VTXFMT0, n); for (i = 0; i < n; i++) { GX_Position3f32(v[i].x, v[i].y, v[i].z); GX_Color4u8(color.r, color.g, color.b, color.a); } GX_End(); } void Menu_DrawDiskCover(f32 xpos, f32 ypos, f32 zpos, u16 width, u16 height, u16 distance, u8 data[], f32 deg_alpha, f32 deg_beta, f32 scaleX, f32 scaleY, u8 alpha, bool shadow) { if (data == NULL) return; GXTexObj texObj; GX_InitTexObj(&texObj, data, width, height, GX_TF_RGBA8, GX_CLAMP, GX_CLAMP, GX_FALSE); GX_LoadTexObj(&texObj, GX_TEXMAP0); GX_InvalidateTexAll(); GX_SetTevOp(GX_TEVSTAGE0, GX_MODULATE); GX_SetVtxDesc(GX_VA_TEX0, GX_DIRECT); f32 cos_beta = cos(DegToRad( deg_beta )); f32 s_offset_y = (zpos + (cos_beta * distance)) * tan(DegToRad( 5 )); f32 s_offset_x = (cos_beta < 0 ? -cos_beta : cos_beta) * s_offset_y; f32 s_offset_z = (s_offset_y < 0 ? 0 : s_offset_y) * 2; Mtx m, m1, m2, m3, m4, mv; width *= .5; height *= .5; guMtxIdentity(m4); guMtxTransApply(m4, m4, 0, 0, distance); guMtxIdentity(m1); guMtxScaleApply(m1, m1, scaleX, scaleY, 1.0); guVector axis2 = ( guVector ) { 0 , 1, 0 }; guMtxRotAxisDeg ( m2, &axis2, deg_beta ); guVector axis = ( guVector ) { 0 , 0, 1 }; guMtxRotAxisDeg ( m3, &axis, deg_alpha ); // guMtxConcat(m2,m1,m); guMtxConcat(m3, m4, m3); // move distance then rotate z-axis guMtxConcat(m2, m3, m2); // rotate y-axis guMtxConcat(m1, m2, m); // scale if (shadow) guMtxTransApply(m, m, xpos + width + 0.5 + s_offset_x, ypos + height + 0.5 + s_offset_y, zpos - s_offset_z); else guMtxTransApply(m, m, xpos + width + 0.5, ypos + height + 0.5, zpos); guMtxConcat(GXmodelView2D, m, mv); GX_LoadPosMtxImm(mv, GX_PNMTX0); if (shadow) { GX_Begin(GX_QUADS, GX_VTXFMT0, 4); GX_Position3f32(-width, -height, 0); GX_Color4u8(0, 0, 0, alpha); GX_TexCoord2f32(0, 0); GX_Position3f32(width, -height, 0); GX_Color4u8(0, 0, 0, alpha); GX_TexCoord2f32(1, 0); GX_Position3f32(width, height, 0); GX_Color4u8(0, 0, 0, alpha); GX_TexCoord2f32(1, 1); GX_Position3f32(-width, height, 0); GX_Color4u8(0, 0, 0, alpha); GX_TexCoord2f32(0, 1); } else { GX_Begin(GX_QUADS, GX_VTXFMT0, 4); GX_Position3f32(-width, -height, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(0, 0); GX_Position3f32(width, -height, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(1, 0); GX_Position3f32(width, height, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(1, 1); GX_Position3f32(-width, height, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(0, 1); } GX_End(); GX_LoadPosMtxImm(GXmodelView2D, GX_PNMTX0); GX_SetTevOp(GX_TEVSTAGE0, GX_PASSCLR); GX_SetVtxDesc(GX_VA_TEX0, GX_NONE); } void Menu_DrawTPLImg(f32 xpos, f32 ypos, f32 zpos, f32 width, f32 height, GXTexObj *texObj, f32 degrees, f32 scaleX, f32 scaleY, u8 alpha, int XX1, int YY1, int XX2, int YY2, int XX3, int YY3, int XX4, int YY4) { GX_LoadTexObj(texObj, GX_TEXMAP0); GX_InvalidateTexAll(); GX_SetTevOp(GX_TEVSTAGE0, GX_REPLACE); GX_SetVtxDesc(GX_VA_TEX0, GX_DIRECT); Mtx m, m1, m2, mv; width *= .5; height *= .5; guMtxIdentity(m1); guMtxScaleApply(m1, m1, scaleX, scaleY, 1.0); guVector axis = ( guVector ) { 0 , 0, 1 }; guMtxRotAxisDeg ( m2, &axis, degrees ); guMtxConcat(m1, m2, m); guMtxTransApply(m, m, xpos + width + 0.5, ypos + height + 0.5, zpos); guMtxConcat(GXmodelView2D, m, mv); GX_LoadPosMtxImm(mv, GX_PNMTX0); GX_Begin(GX_QUADS, GX_VTXFMT0, 4); GX_Position3f32(-width + XX1, -height + YY1, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(0, 0); GX_Position3f32(width + XX2, -height + YY2, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(1, 0); GX_Position3f32(width + XX3, height + YY3, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(1, 1); GX_Position3f32(-width + XX4, height + YY4, 0); GX_Color4u8(0xFF, 0xFF, 0xFF, alpha); GX_TexCoord2f32(0, 1); GX_End(); GX_LoadPosMtxImm(GXmodelView2D, GX_PNMTX0); GX_SetTevOp(GX_TEVSTAGE0, GX_PASSCLR); GX_SetVtxDesc(GX_VA_TEX0, GX_NONE); } /**************************************************************************** * TakeScreenshot * * Copies the current screen into a file "path" ***************************************************************************/ s32 TakeScreenshot(const char *path) { gprintf("\nTakeScreenshot(%s)", path); IMGCTX ctx = PNGU_SelectImageFromDevice(path); s32 ret = PNGU_EncodeFromYCbYCr(ctx, vmode->fbWidth, vmode->efbHeight, xfb[whichfb], 0); PNGU_ReleaseImageContext(ctx); gprintf(":%d", ret); return 1; }