diff options
Diffstat (limited to 'backends/platform/wii/gx_supp.cpp')
| -rw-r--r-- | backends/platform/wii/gx_supp.cpp | 47 |
1 files changed, 35 insertions, 12 deletions
diff --git a/backends/platform/wii/gx_supp.cpp b/backends/platform/wii/gx_supp.cpp index 4c7b8ed58a..436deddbb8 100644 --- a/backends/platform/wii/gx_supp.cpp +++ b/backends/platform/wii/gx_supp.cpp @@ -1,6 +1,7 @@ /**************************************************************************** * Generic GX Support for Emulators * softdev 2007 +* dhewg 2008 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,12 +22,13 @@ * These are pretty standard functions to setup and use GX scaling. ****************************************************************************/ -#include <gccore.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <malloc.h> +#include "gx_supp.h" + #define DEFAULT_FIFO_SIZE (256 * 1024) #define HASPECT 320 @@ -39,18 +41,19 @@ extern "C" { /*** 2D ***/ static u32 whichfb; static u32 *xfb[2]; -static GXRModeObj *vmode; +GXRModeObj *vmode = NULL; /*** 3D GX ***/ static u8 *gp_fifo; /*** Texture memory ***/ -static u8 *texturemem; +static u8 *texturemem = NULL; static u32 texturesize; -GXTexObj texobj; +static GXTexObj texobj; static Mtx view; static u16 vwidth, vheight, oldvwidth, oldvheight; +static float tex_xT = 0.0f, tex_yT = 0.0f; /* New texture based scaler */ typedef struct tagcamera { @@ -74,6 +77,10 @@ static camera cam = { void GX_InitVideo() { vmode = VIDEO_GetPreferredMode(NULL); + + vmode->viWidth = 678; + vmode->viXOrigin = (VI_MAX_WIDTH_PAL - 678) / 2; + VIDEO_Configure(vmode); xfb[0] = (u32 *) MEM_K0_TO_K1 (SYS_AllocateFramebuffer(vmode)); @@ -93,6 +100,15 @@ void GX_InitVideo() { VIDEO_WaitVSync(); } +void GX_SetTexTrans(float xT, float yT) { + tex_xT = xT; + tex_yT = yT; +} + +void GX_SetCamPosZ(float f) { + cam.pos.z = f; +} + /**************************************************************************** * Scaler Support Functions ****************************************************************************/ @@ -128,7 +144,7 @@ static void draw_square(Mtx v) { Mtx mv; guMtxIdentity(m); - guMtxTransApply(m, m, 0, 0, -100); + guMtxTransApply(m, m, tex_xT, tex_yT, -100); guMtxConcat(v, m, mv); GX_LoadPosMtxImm(mv, GX_PNMTX0); @@ -144,9 +160,9 @@ static void draw_square(Mtx v) { * StartGX ****************************************************************************/ void GX_Start(u16 width, u16 height, s16 haspect, s16 vaspect) { + static bool inited = false; Mtx p; - - GX_AbortFrame(); + GXColor gxbackground = { 0, 0, 0, 0xff }; /*** Set new aspect ***/ square[0] = square[9] = -haspect; @@ -156,9 +172,20 @@ void GX_Start(u16 width, u16 height, s16 haspect, s16 vaspect) { /*** Allocate 32byte aligned texture memory ***/ texturesize = (width * height) * 2; + + if (texturemem) + free(texturemem); + texturemem = (u8 *) memalign(32, texturesize); + memset(texturemem, 0, texturesize); - GXColor gxbackground = { 0, 0, 0, 0xff }; + /*** Setup for first call to scaler ***/ + oldvwidth = oldvheight = -1; + + if (inited) + return; + + inited = true; /*** Clear out FIFO area ***/ memset(gp_fifo, 0, DEFAULT_FIFO_SIZE); @@ -184,12 +211,8 @@ void GX_Start(u16 width, u16 height, s16 haspect, s16 vaspect) { guPerspective(p, 60, 1.33f, 10.0f, 1000.0f); GX_LoadProjectionMtx(p, GX_PERSPECTIVE); - memset(texturemem, 0, texturesize); GX_Flush(); - - /*** Setup for first call to scaler ***/ - vwidth = vheight = -1; } /**************************************************************************** |