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/*
* $RCSfile$
*
* Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to license terms.
*
* $Revision$
* $Date$
* $State$
*/
#include "StdAfx.h"
#include "D3dVertexBuffer.hpp"
D3dVertexBuffer::D3dVertexBuffer()
{
buffer = NULL;
indexBuffer = NULL;
numVertices = NULL;
numVerticesLen = 0;
isIndexPrimitive = FALSE;
nextVB = NULL;
stripLen = 0;
totalVertexCount = 0;
ctx = NULL;
next = NULL;
previous = NULL;
isPointFlagUsed = FALSE;
primitiveType = D3DPT_FORCE_DWORD;
}
D3dVertexBuffer::~D3dVertexBuffer()
{
release();
}
VOID D3dVertexBuffer::release()
{
SafeRelease(buffer);
SafeRelease(indexBuffer);
SafeDelete(numVertices);
numVerticesLen = 0;
isIndexPrimitive = FALSE;
isPointFlagUsed = FALSE;
stripLen = 0;
totalVertexCount = 0;
// recursively free the list
SafeDelete(nextVB);
}
VOID D3dVertexBuffer::render(D3dCtx *d3dCtx)
{
D3DPRIMITIVETYPE oldPrimitiveType;
BOOL renderPoint = false;
BOOL restorePointSize = false;
float oldPointSize = 1.0f;
if ((buffer != NULL) && (numVertices != NULL)) {
// device is already check for NULL in callDisplayList
LPDIRECT3DDEVICE9 device = d3dCtx->pDevice;
BOOL setAmbientLight = false;
if (((vertexFormat & D3DFVF_DIFFUSE) == 0) &&
(!d3dCtx->isLightEnable)) {
setAmbientLight = true;
if (totalVertexCount > 0) {
// This is the first Node in the list
d3dCtx->setAmbientLightMaterial();
}
}
if ((d3dCtx->pointSize > 1) &&
((d3dCtx->fillMode == D3DFILL_POINT) ||
(primitiveType == D3DPT_POINTLIST))) {
// Some driver may cull the point away if not
// set to CULL_NONE
if (!isPointFlagUsed) {
// restore point size to 1
if (debug) {
printf("VB render with pointSize %d without D3DPOINT flag set\n", d3dCtx->pointSize);
}
device->SetRenderState(D3DRS_POINTSIZE, *((LPDWORD)
&oldPointSize));
restorePointSize = true;
} else {
device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
// workaround for driver bug, otherwise you will
// see four corner points instead of one big point
// if fill mode is POINT
device->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);
if (d3dCtx->deviceInfo->maxPointSize < d3dCtx->pointSize) {
// Use software vertex processing mode
//device->SetRenderState(D3DRS_SOFTWAREVERTEXPROCESSING, TRUE);
device->SetSoftwareVertexProcessing(TRUE);
}
oldPrimitiveType = primitiveType;
// For Polygon D3DFill_POINT mode we need to
// temporary switch primitive to point list
primitiveType = D3DPT_POINTLIST;
renderPoint = true;
}
}
device->SetStreamSource(0, buffer,0, stride);
//device->SetVertexShader(vertexFormat);
device->SetVertexShader(NULL);
device->SetFVF(vertexFormat);
int startIdx=0;
int vc, i;
if (!isIndexPrimitive ||
((indexBuffer == NULL) && renderPoint)) {
for (i = 0; i < stripLen; i++) {
vc = numVertices[i];
device->DrawPrimitive(primitiveType,
startIdx,
getPrimitiveNum(primitiveType,vc));
startIdx += vc;
}
} else {
if (indexBuffer != NULL) {
device->SetIndices(indexBuffer);
for (i = 0; i < stripLen; i++) {
vc = numVertices[i];
device->DrawIndexedPrimitive(primitiveType,0,
0,
vcount,
startIdx,
getPrimitiveNum(primitiveType, vc));
startIdx += vc;
}
} else {
if (d3dCtx->quadIndexBufferSize > 0) {
// Index is successfully set
device->SetIndices(d3dCtx->quadIndexBuffer);
device->DrawIndexedPrimitive(D3DPT_TRIANGLELIST,0,
0,
numVertices[0],
0,
numVertices[0] >> 1);
}
// Otherwise not enough memory when index buffer
// is created, so draw nothing.
}
}
if (setAmbientLight && (nextVB == NULL)) {
// This is the last Node in the list
d3dCtx->restoreDefaultLightMaterial();
}
if (renderPoint) {
device->SetRenderState(D3DRS_CULLMODE, d3dCtx->cullMode);
device->SetRenderState(D3DRS_FILLMODE, d3dCtx->fillMode);
/** device->SetRenderState(D3DRS_SOFTWAREVERTEXPROCESSING,
d3dCtx->softwareVertexProcessing);
**/
device->SetSoftwareVertexProcessing(d3dCtx->softwareVertexProcessing);
primitiveType = oldPrimitiveType;
} else if (restorePointSize) {
device->SetRenderState(D3DRS_POINTSIZE,
*((LPDWORD) &d3dCtx->pointSize));
}
}
if (nextVB != NULL) {
nextVB->render(d3dCtx);
}
}
VOID D3dVertexBuffer::addStride(int len)
{
if (numVerticesLen <= stripLen) {
if (numVerticesLen == 0) {
numVertices = new USHORT[1];
if (numVertices == NULL) {
D3dCtx::d3dWarning(OUTOFMEMORY);
return;
}
numVerticesLen = 1;
} else {
int size = numVerticesLen << 1;
USHORT *p = new USHORT[size];
if (p == NULL) {
D3dCtx::d3dWarning(OUTOFMEMORY);
return;
}
CopyMemory(p, numVertices, numVerticesLen*sizeof(USHORT));
delete numVertices;
numVertices = p;
numVerticesLen = size;
}
}
numVertices[stripLen++] = len;
}
/*
* This is used by Strip GeometryArray
* Replace all previously define stripLen by this one.
*/
VOID D3dVertexBuffer::addStrides(jint len, jint* strips)
{
int i = len;
if (numVerticesLen < len) {
if (numVertices) {
delete numVertices;
}
numVertices = new USHORT[len];
numVerticesLen = len;
}
USHORT *q = numVertices;
while (--i >= 0) {
*q++ = *strips++;
}
stripLen = len;
}
/*
* This is used by D3dDisplayList optimize()
* Append this one to the current strip define.
*/
VOID D3dVertexBuffer::appendStrides(jint len, USHORT* strips)
{
int i;
USHORT *oldVertices;
if (numVerticesLen < stripLen + len) {
oldVertices = numVertices;
numVertices = new USHORT[len + stripLen];
numVerticesLen = len + stripLen;
}
USHORT *q = numVertices;
USHORT *p = oldVertices;
if (oldVertices != NULL) {
i = stripLen;
while (--i >= 0) {
*q++ = *p++;
}
delete oldVertices;
}
i = len;
while (--i >= 0) {
*q++ = *strips++;
}
stripLen = numVerticesLen;
}
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