dolphin/Source/Core/VideoCommon/Src/VertexShaderManager.cpp

606 lines
20 KiB
C++

// Copyright (C) 2003 Dolphin Project.
// 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
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
#include "VideoConfig.h"
#include "MathUtil.h"
#include "Profiler.h"
#include <cmath>
#include "Statistics.h"
#include "VertexShaderGen.h"
#include "VertexShaderManager.h"
#include "BPMemory.h"
#include "CPMemory.h"
#include "XFMemory.h"
#include "VideoCommon.h"
// Temporary ugly declaration.
namespace VertexManager
{
void Flush();
}
static float GC_ALIGNED16(s_fMaterials[16]);
float GC_ALIGNED16(g_fProjectionMatrix[16]);
// track changes
static bool bTexMatricesChanged[2], bPosNormalMatrixChanged, bProjectionChanged, bViewportChanged;
static int nMaterialsChanged;
static int nTransformMatricesChanged[2]; // min,max
static int nNormalMatricesChanged[2]; // min,max
static int nPostTransformMatricesChanged[2]; // min,max
static int nLightsChanged[2]; // min,max
static Matrix33 s_viewRotationMatrix;
static Matrix33 s_viewInvRotationMatrix;
static float s_fViewTranslationVector[3];
static float s_fViewRotation[2];
void UpdateViewport();
namespace
{
// Control Variables
static bool g_ProjHack0;
static ProjectionHack g_ProjHack1;
static ProjectionHack g_ProjHack2;
} // Namespace
void UpdateProjectionHack(int iPhackvalue)
{
bool bProjHack1 = 0, bPhackvalue1 = 0, bPhackvalue2 = 0;
float fhackvalue1 = 0, fhackvalue2 = 0;
switch(iPhackvalue)
{
case PROJECTION_HACK_NONE:
bProjHack1 = 0;
bPhackvalue1 = 0;
bPhackvalue2 = 0;
break;
case PROJECTION_HACK_ZELDA_TP_BLOOM_HACK:
bPhackvalue1 = 1;
bProjHack1 = 1;
break;
case PROJECTION_HACK_SONIC_AND_THE_BLACK_KNIGHT:
bPhackvalue1 = 1;
fhackvalue1 = 0.00002f;
bPhackvalue2 = 1;
fhackvalue2 = 1.999980f;
break;
case PROJECTION_HACK_BLEACH_VERSUS_CRUSADE:
bPhackvalue2 = 1;
fhackvalue2 = 0.5f;
bPhackvalue1 = 0;
bProjHack1 = 0;
break;
/* // Unused - kept for reference
case PROJECTION_HACK_FINAL_FANTASY_CC_ECHO_OF_TIME:
bPhackvalue1 = 1;
fhackvalue1 = 0.8f;
bPhackvalue2 = 1;
fhackvalue2 = 1.2f;
bProjHack1 = 0;
break;
case PROJECTION_HACK_HARVESTMOON_MM:
bPhackvalue1 = 1;
fhackvalue1 = 0.0075f;
bPhackvalue2 = 0;
bProjHack1 = 0;
break;
case PROJECTION_HACK_BATEN_KAITOS:
bPhackvalue1 = 1;
fhackvalue1 = 0.0026f;
bPhackvalue2 = 1;
fhackvalue2 = 1.9974f;
bProjHack1 = 1;
break;
case PROJECTION_HACK_BATEN_KAITOS_ORIGIN:
bPhackvalue1 = 1;
fhackvalue1 = 0.0012f;
bPhackvalue2 = 1;
fhackvalue2 = 1.9988f;
bProjHack1 = 1;
break;
case PROJECTION_HACK_SKIES_OF_ARCADIA:
bPhackvalue1 = 1;
fhackvalue1 = 0.04f;
bPhackvalue2 = 0;
bProjHack1 = 0;
break;
*/
}
// Set the projections hacks
g_ProjHack0 = bProjHack1;
g_ProjHack1 = ProjectionHack(bPhackvalue1 == 0 ? false : true, fhackvalue1);
g_ProjHack2 = ProjectionHack(bPhackvalue2 == 0 ? false : true, fhackvalue2);
}
void VertexShaderManager::Init()
{
Dirty();
memset(&xfregs, 0, sizeof(xfregs));
memset(xfmem, 0, sizeof(xfmem));
ResetView();
}
void VertexShaderManager::Shutdown()
{
}
void VertexShaderManager::Dirty()
{
nTransformMatricesChanged[0] = 0; nTransformMatricesChanged[1] = 256;
nNormalMatricesChanged[0] = 0; nNormalMatricesChanged[1] = 96;
nPostTransformMatricesChanged[0] = 0; nPostTransformMatricesChanged[1] = 256;
nLightsChanged[0] = 0; nLightsChanged[1] = 0x80;
bPosNormalMatrixChanged = true;
bTexMatricesChanged[0] = bTexMatricesChanged[1] = true;
bProjectionChanged = true;
bPosNormalMatrixChanged = bTexMatricesChanged[0] = bTexMatricesChanged[1] = true;
nMaterialsChanged = 15;
}
// Syncs the shader constant buffers with xfmem
// TODO: A cleaner way to control the matricies without making a mess in the parameters field
void VertexShaderManager::SetConstants()
{
if (nTransformMatricesChanged[0] >= 0)
{
int startn = nTransformMatricesChanged[0] / 4;
int endn = (nTransformMatricesChanged[1] + 3) / 4;
const float* pstart = (const float*)&xfmem[startn * 4];
SetMultiVSConstant4fv(C_TRANSFORMMATRICES + startn, endn - startn, pstart);
nTransformMatricesChanged[0] = nTransformMatricesChanged[1] = -1;
}
if (nNormalMatricesChanged[0] >= 0)
{
int startn = nNormalMatricesChanged[0] / 3;
int endn = (nNormalMatricesChanged[1] + 2) / 3;
const float *pnstart = (const float*)&xfmem[XFMEM_NORMALMATRICES+3*startn];
SetMultiVSConstant3fv(C_NORMALMATRICES + startn, endn - startn, pnstart);
nNormalMatricesChanged[0] = nNormalMatricesChanged[1] = -1;
}
if (nPostTransformMatricesChanged[0] >= 0)
{
int startn = nPostTransformMatricesChanged[0] / 4;
int endn = (nPostTransformMatricesChanged[1] + 3 ) / 4;
const float* pstart = (const float*)&xfmem[XFMEM_POSTMATRICES + startn * 4];
SetMultiVSConstant4fv(C_POSTTRANSFORMMATRICES + startn, endn - startn, pstart);
}
if (nLightsChanged[0] >= 0)
{
// lights don't have a 1 to 1 mapping, the color component needs to be converted to 4 floats
int istart = nLightsChanged[0] / 0x10;
int iend = (nLightsChanged[1] + 15) / 0x10;
const float* xfmemptr = (const float*)&xfmem[0x10 * istart + XFMEM_LIGHTS];
for (int i = istart; i < iend; ++i)
{
u32 color = *(const u32*)(xfmemptr + 3);
float NormalizationCoef = 1 / 255.0f;
SetVSConstant4f(C_LIGHTS + 5 * i,
((color >> 24) & 0xFF) * NormalizationCoef,
((color >> 16) & 0xFF) * NormalizationCoef,
((color >> 8) & 0xFF) * NormalizationCoef,
((color) & 0xFF) * NormalizationCoef);
xfmemptr += 4;
for (int j = 0; j < 4; ++j, xfmemptr += 3)
{
if (j == 1 &&
fabs(xfmemptr[0]) < 0.00001f &&
fabs(xfmemptr[1]) < 0.00001f &&
fabs(xfmemptr[2]) < 0.00001f)
{
// dist attenuation, make sure not equal to 0!!!
SetVSConstant4f(C_LIGHTS+5*i+j+1, 0.00001f, xfmemptr[1], xfmemptr[2], 0);
}
else
SetVSConstant4fv(C_LIGHTS+5*i+j+1, xfmemptr);
}
}
nLightsChanged[0] = nLightsChanged[1] = -1;
}
if (nMaterialsChanged)
{
for (int i = 0; i < 4; ++i)
if (nMaterialsChanged & (1 << i))
SetVSConstant4fv(C_MATERIALS + i, &s_fMaterials[4 * i]);
nMaterialsChanged = 0;
}
if (bPosNormalMatrixChanged)
{
bPosNormalMatrixChanged = false;
const float *pos = (const float *)xfmem + MatrixIndexA.PosNormalMtxIdx * 4;
const float *norm = (const float *)xfmem + XFMEM_NORMALMATRICES + 3 * (MatrixIndexA.PosNormalMtxIdx & 31);
SetMultiVSConstant4fv(C_POSNORMALMATRIX, 3, pos);
SetMultiVSConstant3fv(C_POSNORMALMATRIX + 3, 3, norm);
}
if (bTexMatricesChanged[0])
{
bTexMatricesChanged[0] = false;
const float *fptrs[] =
{
(const float *)xfmem + MatrixIndexA.Tex0MtxIdx * 4, (const float *)xfmem + MatrixIndexA.Tex1MtxIdx * 4,
(const float *)xfmem + MatrixIndexA.Tex2MtxIdx * 4, (const float *)xfmem + MatrixIndexA.Tex3MtxIdx * 4
};
for (int i = 0; i < 4; ++i)
{
SetMultiVSConstant4fv(C_TEXMATRICES + 3 * i, 3, fptrs[i]);
}
}
if (bTexMatricesChanged[1])
{
bTexMatricesChanged[1] = false;
const float *fptrs[] = {
(const float *)xfmem + MatrixIndexB.Tex4MtxIdx * 4, (const float *)xfmem + MatrixIndexB.Tex5MtxIdx * 4,
(const float *)xfmem + MatrixIndexB.Tex6MtxIdx * 4, (const float *)xfmem + MatrixIndexB.Tex7MtxIdx * 4
};
for (int i = 0; i < 4; ++i)
{
SetMultiVSConstant4fv(C_TEXMATRICES+3 * i + 12, 3, fptrs[i]);
}
}
if (bViewportChanged)
{
bViewportChanged = false;
// This is so implementation-dependent that we can't have it here.
UpdateViewport();
}
if (bProjectionChanged)
{
bProjectionChanged = false;
if (xfregs.rawProjection[6] == 0)
{
// Perspective
g_fProjectionMatrix[0] = xfregs.rawProjection[0] * g_ActiveConfig.fAspectRatioHackW;
g_fProjectionMatrix[1] = 0.0f;
g_fProjectionMatrix[2] = xfregs.rawProjection[1];
g_fProjectionMatrix[3] = 0.0f;
g_fProjectionMatrix[4] = 0.0f;
g_fProjectionMatrix[5] = xfregs.rawProjection[2] * g_ActiveConfig.fAspectRatioHackH;
g_fProjectionMatrix[6] = xfregs.rawProjection[3];
g_fProjectionMatrix[7] = 0.0f;
g_fProjectionMatrix[8] = 0.0f;
g_fProjectionMatrix[9] = 0.0f;
g_fProjectionMatrix[10] = xfregs.rawProjection[4];
g_fProjectionMatrix[11] = xfregs.rawProjection[5];
g_fProjectionMatrix[12] = 0.0f;
g_fProjectionMatrix[13] = 0.0f;
// donkopunchstania: GC GPU rounds differently?
// -(1 + epsilon) so objects are clipped as they are on the real HW
g_fProjectionMatrix[14] = -1.00000011921f;
g_fProjectionMatrix[15] = 0.0f;
SETSTAT_FT(stats.gproj_0, g_fProjectionMatrix[0]);
SETSTAT_FT(stats.gproj_1, g_fProjectionMatrix[1]);
SETSTAT_FT(stats.gproj_2, g_fProjectionMatrix[2]);
SETSTAT_FT(stats.gproj_3, g_fProjectionMatrix[3]);
SETSTAT_FT(stats.gproj_4, g_fProjectionMatrix[4]);
SETSTAT_FT(stats.gproj_5, g_fProjectionMatrix[5]);
SETSTAT_FT(stats.gproj_6, g_fProjectionMatrix[6]);
SETSTAT_FT(stats.gproj_7, g_fProjectionMatrix[7]);
SETSTAT_FT(stats.gproj_8, g_fProjectionMatrix[8]);
SETSTAT_FT(stats.gproj_9, g_fProjectionMatrix[9]);
SETSTAT_FT(stats.gproj_10, g_fProjectionMatrix[10]);
SETSTAT_FT(stats.gproj_11, g_fProjectionMatrix[11]);
SETSTAT_FT(stats.gproj_12, g_fProjectionMatrix[12]);
SETSTAT_FT(stats.gproj_13, g_fProjectionMatrix[13]);
SETSTAT_FT(stats.gproj_14, g_fProjectionMatrix[14]);
SETSTAT_FT(stats.gproj_15, g_fProjectionMatrix[15]);
}
else
{
// Orthographic Projection
g_fProjectionMatrix[0] = xfregs.rawProjection[0];
g_fProjectionMatrix[1] = 0.0f;
g_fProjectionMatrix[2] = 0.0f;
g_fProjectionMatrix[3] = xfregs.rawProjection[1];
g_fProjectionMatrix[4] = 0.0f;
g_fProjectionMatrix[5] = xfregs.rawProjection[2];
g_fProjectionMatrix[6] = 0.0f;
g_fProjectionMatrix[7] = xfregs.rawProjection[3];
g_fProjectionMatrix[8] = 0.0f;
g_fProjectionMatrix[9] = 0.0f;
g_fProjectionMatrix[10] = (g_ProjHack1.enabled ? -(g_ProjHack1.value + xfregs.rawProjection[4]) : xfregs.rawProjection[4]);
g_fProjectionMatrix[11] = (g_ProjHack2.enabled ? -(g_ProjHack2.value + xfregs.rawProjection[5]) : xfregs.rawProjection[5]) + (g_ProjHack0 ? 0.1f : 0.0f);
g_fProjectionMatrix[12] = 0.0f;
g_fProjectionMatrix[13] = 0.0f;
g_fProjectionMatrix[14] = 0.0f;
g_fProjectionMatrix[15] = 1.0f;
SETSTAT_FT(stats.g2proj_0, g_fProjectionMatrix[0]);
SETSTAT_FT(stats.g2proj_1, g_fProjectionMatrix[1]);
SETSTAT_FT(stats.g2proj_2, g_fProjectionMatrix[2]);
SETSTAT_FT(stats.g2proj_3, g_fProjectionMatrix[3]);
SETSTAT_FT(stats.g2proj_4, g_fProjectionMatrix[4]);
SETSTAT_FT(stats.g2proj_5, g_fProjectionMatrix[5]);
SETSTAT_FT(stats.g2proj_6, g_fProjectionMatrix[6]);
SETSTAT_FT(stats.g2proj_7, g_fProjectionMatrix[7]);
SETSTAT_FT(stats.g2proj_8, g_fProjectionMatrix[8]);
SETSTAT_FT(stats.g2proj_9, g_fProjectionMatrix[9]);
SETSTAT_FT(stats.g2proj_10, g_fProjectionMatrix[10]);
SETSTAT_FT(stats.g2proj_11, g_fProjectionMatrix[11]);
SETSTAT_FT(stats.g2proj_12, g_fProjectionMatrix[12]);
SETSTAT_FT(stats.g2proj_13, g_fProjectionMatrix[13]);
SETSTAT_FT(stats.g2proj_14, g_fProjectionMatrix[14]);
SETSTAT_FT(stats.g2proj_15, g_fProjectionMatrix[15]);
SETSTAT_FT(stats.proj_0, xfregs.rawProjection[0]);
SETSTAT_FT(stats.proj_1, xfregs.rawProjection[1]);
SETSTAT_FT(stats.proj_2, xfregs.rawProjection[2]);
SETSTAT_FT(stats.proj_3, xfregs.rawProjection[3]);
SETSTAT_FT(stats.proj_4, xfregs.rawProjection[4]);
SETSTAT_FT(stats.proj_5, xfregs.rawProjection[5]);
SETSTAT_FT(stats.proj_6, xfregs.rawProjection[6]);
}
PRIM_LOG("Projection: %f %f %f %f %f %f\n", xfregs.rawProjection[0], xfregs.rawProjection[1], xfregs.rawProjection[2], xfregs.rawProjection[3], xfregs.rawProjection[4], xfregs.rawProjection[5]);
if (g_ActiveConfig.bFreeLook)
{
Matrix44 mtxA;
Matrix44 mtxB;
Matrix44 viewMtx;
Matrix44::Translate(mtxA, s_fViewTranslationVector);
Matrix44::LoadMatrix33(mtxB, s_viewRotationMatrix);
Matrix44::Multiply(mtxB, mtxA, viewMtx); // view = rotation x translation
Matrix44::Set(mtxB, g_fProjectionMatrix);
Matrix44::Multiply(mtxB, viewMtx, mtxA); // mtxA = projection x view
SetMultiVSConstant4fv(C_PROJECTION, 4, &mtxA.data[0]);
}
else
{
SetMultiVSConstant4fv(C_PROJECTION, 4, &g_fProjectionMatrix[0]);
}
}
}
void VertexShaderManager::InvalidateXFRange(int start, int end)
{
if (((u32)start >= (u32)MatrixIndexA.PosNormalMtxIdx * 4 &&
(u32)start < (u32)MatrixIndexA.PosNormalMtxIdx * 4 + 12) ||
((u32)start >= XFMEM_NORMALMATRICES + ((u32)MatrixIndexA.PosNormalMtxIdx & 31) * 3 &&
(u32)start < XFMEM_NORMALMATRICES + ((u32)MatrixIndexA.PosNormalMtxIdx & 31) * 3 + 9)) {
bPosNormalMatrixChanged = true;
}
if (((u32)start >= (u32)MatrixIndexA.Tex0MtxIdx*4 && (u32)start < (u32)MatrixIndexA.Tex0MtxIdx*4+12) ||
((u32)start >= (u32)MatrixIndexA.Tex1MtxIdx*4 && (u32)start < (u32)MatrixIndexA.Tex1MtxIdx*4+12) ||
((u32)start >= (u32)MatrixIndexA.Tex2MtxIdx*4 && (u32)start < (u32)MatrixIndexA.Tex2MtxIdx*4+12) ||
((u32)start >= (u32)MatrixIndexA.Tex3MtxIdx*4 && (u32)start < (u32)MatrixIndexA.Tex3MtxIdx*4+12)) {
bTexMatricesChanged[0] = true;
}
if (((u32)start >= (u32)MatrixIndexB.Tex4MtxIdx*4 && (u32)start < (u32)MatrixIndexB.Tex4MtxIdx*4+12) ||
((u32)start >= (u32)MatrixIndexB.Tex5MtxIdx*4 && (u32)start < (u32)MatrixIndexB.Tex5MtxIdx*4+12) ||
((u32)start >= (u32)MatrixIndexB.Tex6MtxIdx*4 && (u32)start < (u32)MatrixIndexB.Tex6MtxIdx*4+12) ||
((u32)start >= (u32)MatrixIndexB.Tex7MtxIdx*4 && (u32)start < (u32)MatrixIndexB.Tex7MtxIdx*4+12)) {
bTexMatricesChanged[1] = true;
}
if (start < XFMEM_POSMATRICES_END)
{
if (nTransformMatricesChanged[0] == -1)
{
nTransformMatricesChanged[0] = start;
nTransformMatricesChanged[1] = end>XFMEM_POSMATRICES_END?XFMEM_POSMATRICES_END:end;
}
else
{
if (nTransformMatricesChanged[0] > start) nTransformMatricesChanged[0] = start;
if (nTransformMatricesChanged[1] < end) nTransformMatricesChanged[1] = end>XFMEM_POSMATRICES_END?XFMEM_POSMATRICES_END:end;
}
}
if (start < XFMEM_NORMALMATRICES_END && end > XFMEM_NORMALMATRICES)
{
int _start = start < XFMEM_NORMALMATRICES ? 0 : start-XFMEM_NORMALMATRICES;
int _end = end < XFMEM_NORMALMATRICES_END ? end-XFMEM_NORMALMATRICES : XFMEM_NORMALMATRICES_END-XFMEM_NORMALMATRICES;
if (nNormalMatricesChanged[0] == -1)
{
nNormalMatricesChanged[0] = _start;
nNormalMatricesChanged[1] = _end;
}
else
{
if (nNormalMatricesChanged[0] > _start) nNormalMatricesChanged[0] = _start;
if (nNormalMatricesChanged[1] < _end) nNormalMatricesChanged[1] = _end;
}
}
if (start < XFMEM_POSTMATRICES_END && end > XFMEM_POSTMATRICES)
{
int _start = start < XFMEM_POSTMATRICES ? XFMEM_POSTMATRICES : start-XFMEM_POSTMATRICES;
int _end = end < XFMEM_POSTMATRICES_END ? end-XFMEM_POSTMATRICES : XFMEM_POSTMATRICES_END-XFMEM_POSTMATRICES;
if (nPostTransformMatricesChanged[0] == -1)
{
nPostTransformMatricesChanged[0] = _start;
nPostTransformMatricesChanged[1] = _end;
}
else
{
if (nPostTransformMatricesChanged[0] > _start) nPostTransformMatricesChanged[0] = _start;
if (nPostTransformMatricesChanged[1] < _end) nPostTransformMatricesChanged[1] = _end;
}
}
if (start < XFMEM_LIGHTS_END && end > XFMEM_LIGHTS)
{
int _start = start < XFMEM_LIGHTS ? XFMEM_LIGHTS : start-XFMEM_LIGHTS;
int _end = end < XFMEM_LIGHTS_END ? end-XFMEM_LIGHTS : XFMEM_LIGHTS_END-XFMEM_LIGHTS;
if (nLightsChanged[0] == -1 )
{
nLightsChanged[0] = _start;
nLightsChanged[1] = _end;
}
else
{
if (nLightsChanged[0] > _start) nLightsChanged[0] = _start;
if (nLightsChanged[1] < _end) nLightsChanged[1] = _end;
}
}
}
void VertexShaderManager::SetTexMatrixChangedA(u32 Value)
{
if (MatrixIndexA.Hex != Value)
{
VertexManager::Flush();
if (MatrixIndexA.PosNormalMtxIdx != (Value&0x3f))
bPosNormalMatrixChanged = true;
bTexMatricesChanged[0] = true;
MatrixIndexA.Hex = Value;
}
}
void VertexShaderManager::SetTexMatrixChangedB(u32 Value)
{
if (MatrixIndexB.Hex != Value)
{
VertexManager::Flush();
bTexMatricesChanged[1] = true;
MatrixIndexB.Hex = Value;
}
}
void VertexShaderManager::SetViewport(float* _Viewport, int constantIndex)
{
if(constantIndex <= 0)
{
memcpy(xfregs.rawViewport, _Viewport, sizeof(xfregs.rawViewport));
}
else
{
xfregs.rawViewport[constantIndex] = _Viewport[0];
}
/*//Tino: i think this is nod needed so let this commented til confirmed
// Workaround for paper mario, yep this is bizarre.
for (size_t i = 0; i < ARRAYSIZE(xfregs.rawViewport); ++i)
{
if (*(u32*)(_Viewport + i) == 0x7f800000) // invalid fp number
return;
}
memcpy(xfregs.rawViewport, _Viewport, sizeof(xfregs.rawViewport));*/
bViewportChanged = true;
}
void VertexShaderManager::SetViewportChanged()
{
bViewportChanged = true;
}
void VertexShaderManager::SetProjection(float* _pProjection, int constantIndex)
{
if(constantIndex <= 0)
{
memcpy(xfregs.rawProjection, _pProjection, sizeof(xfregs.rawProjection));
}
else
{
xfregs.rawProjection[constantIndex] = _pProjection[0];
}
bProjectionChanged = true;
}
void VertexShaderManager::SetMaterialColor(int index, u32 data)
{
int ind = index * 4;
nMaterialsChanged |= (1 << index);
float NormalizationCoef = 1 / 255.0f;
s_fMaterials[ind++] = ((data >> 24) & 0xFF) * NormalizationCoef;
s_fMaterials[ind++] = ((data >> 16) & 0xFF) * NormalizationCoef;
s_fMaterials[ind++] = ((data >> 8) & 0xFF) * NormalizationCoef;
s_fMaterials[ind] = ( data & 0xFF) * NormalizationCoef;
}
void VertexShaderManager::TranslateView(float x, float y)
{
float result[3];
float vector[3] = { x,0,y };
Matrix33::Multiply(s_viewInvRotationMatrix, vector, result);
for (int i = 0; i < 3; i++)
s_fViewTranslationVector[i] += result[i];
bProjectionChanged = true;
}
void VertexShaderManager::RotateView(float x, float y)
{
s_fViewRotation[0] += x;
s_fViewRotation[1] += y;
Matrix33 mx;
Matrix33 my;
Matrix33::RotateX(mx, s_fViewRotation[1]);
Matrix33::RotateY(my, s_fViewRotation[0]);
Matrix33::Multiply(mx, my, s_viewRotationMatrix);
// reverse rotation
Matrix33::RotateX(mx, -s_fViewRotation[1]);
Matrix33::RotateY(my, -s_fViewRotation[0]);
Matrix33::Multiply(my, mx, s_viewInvRotationMatrix);
bProjectionChanged = true;
}
void VertexShaderManager::ResetView()
{
memset(s_fViewTranslationVector, 0, sizeof(s_fViewTranslationVector));
Matrix33::LoadIdentity(s_viewRotationMatrix);
Matrix33::LoadIdentity(s_viewInvRotationMatrix);
s_fViewRotation[0] = s_fViewRotation[1] = 0.0f;
bProjectionChanged = true;
}