/* void SetupStars() {
if (stars!=null && RPold.noStars == m_renderingParams->noStars && RPold.starStrength == m_renderingParams->starStrength && RPold.starSize == m_renderingParams->starSize && m_renderingParams->starSizeSpread == RPold.starSizeSpread)
if (m_renderingParams->size == stars._width)
return;
stars = new ColorBuffer2D(m_renderingParams->size, m_renderingParams->size);
stars.RenderStars(m_renderingParams->noStars, m_renderingParams->starSize/100f, m_renderingParams->starSizeSpread/100f,m_renderingParams->starStrength);
RPold.starSizeSpread = m_renderingParams->starSizeSpread;
RPold.starSize = m_renderingParams->starSize;
RPold.noStars = m_renderingParams->noStars;
RPold.starStrength = m_renderingParams->starStrength;
}
*/
void Rasterizer::PrepareBuffer()
{
// Do not changes buffers if rendering!
if (m_state == State::rendering) {
qDebug() << "RETURNING STILL RENDERING";
return;
}
int size = m_renderingParams->size();
if (m_imageBuffer == nullptr || m_imageBuffer->width() != size || m_imageShadowBuffer->width()!=size) {
ReleaseBuffers();
m_imageBuffer = new QImage(size,size,QImage::Format_ARGB32);
m_renderBuffer = new Buffer2D(size);
m_backBuffer = new Buffer2D(size);
m_imageShadowBuffer = new QImage(size, size,QImage::Format_ARGB32);
m_starsBuffer = new Buffer2D(size);
RenderStars();
}
m_imageBuffer->fill(QColor(0,0,0));
m_backBuffer->fill(QVector3D(0,0,0));
m_renderBuffer->fill(QVector3D(0,0,0));
m_imageShadowBuffer->fill(QColor(0,0,0));
}
//--------------------------------------------------------------------------------------
// Render the scene using the D3D11 device
//--------------------------------------------------------------------------------------
void RenderToBackBuffer(Renderer* renderer, double fTime, float fElapsedTime, void* pUserContext)
{
ID3D11DeviceContext* pContext = GetApp()->GetContext();
// Something's wrong in the shader and the tri size is out by a factor of 2. Why?!?
g_pTriSizeVar->SetInt(2 * g_tessellatedTriWidth);
const bool debugDrawPatches = false;
g_DebugShowPatchesVar->SetBool(debugDrawPatches);
const bool debugDrawTiles = false;
g_DebugShowTilesVar->SetBool(debugDrawTiles);
const float wireAlpha = 0.01f * (float)80;
// Below 1.0, we fade the lines out with blending; above 1, we increase line thickness.
if (wireAlpha < 1)
{
g_WireAlphaVar->SetFloat(wireAlpha);
g_WireWidthVar->SetFloat(1);
}
else
{
g_WireAlphaVar->SetFloat(1);
g_WireWidthVar->SetFloat(wireAlpha);
}
g_DetailNoiseVar->SetFloat(0.001f * (float)g_DetailNoiseScale);
float samplesapcing = WORLD_SCALE * g_pTileRings[g_nRings-1]->outerWidth() / (float) COARSE_HEIGHT_MAP_SIZE;
g_SampleSpacingVar->SetFloat(samplesapcing);
// If the settings dialog is being shown, then render it instead of rendering the app's scene
BaseCamera* pCam = GetApp()->ActiveCam_;
D3DXMATRIX mProj;
D3DXMATRIX mView;
const unsigned int size16 = sizeof(float) * 16;
memcpy(&mView, pCam->getViewMatrix(), size16);
memcpy(&mProj, pCam->getProjectionMatrix(), size16);
SetViewport(pContext, g_BackBufferVP);
D3DXMATRIX mViewCopy = mView;
mViewCopy._41 = mViewCopy._42 = mViewCopy._43 = 0;
D3DXMATRIX mWVP = StarWorldMatrix() * mViewCopy * mProj;
if (!g_CheckForCracks)
g_Skybox.D3D11Render(&mWVP, pContext);
RenderStars(pContext, mViewCopy, mProj, g_ScreenSize);
int vec[3] = { g_RidgeOctaves, g_fBmOctaves, g_TexTwistOctaves };
g_pFractalOctavesTVar->SetIntVector(vec);
// I'm still trying to figure out if the detail scale can be derived from any combo of ridge + twist.
// I don't think this works well (nor does ridge+twist+fBm). By contrast the relationship with fBm is
// straightforward. The -4 is a fudge factor that accounts for the frequency of the coarsest ocatve
// in the pre-rendered detail map.
const float DETAIL_UV_SCALE = powf(2.0f, std::max(g_RidgeOctaves, g_TexTwistOctaves) + g_fBmOctaves - 4.0f);
g_DetailUVVar->SetFloatVector(D3DXVECTOR2(DETAIL_UV_SCALE, 1.0f/DETAIL_UV_SCALE));
SetUVOffset(g_pUVOffsetTVar);
/*ID3D11Query* pFreeQuery = FindFreeQuery();
if (pFreeQuery)
pContext->Begin(pFreeQuery);*/
RenderTerrain(pContext, mProj, g_BackBufferVP);
//if (pFreeQuery)
// pContext->End(pFreeQuery);
//for (int i=0; i!=N_QUERIES; ++i)
//{
// if (!g_FreePipelineQueries[i] && g_PipelineQueries[i]) // in use & exists
// {
// D3D11_QUERY_DATA_PIPELINE_STATISTICS stats;
// if (S_OK == pContext->GetData(g_PipelineQueries[i], &stats, sizeof(stats), D3D11_ASYNC_GETDATA_DONOTFLUSH))
// {
// g_PrimitivesRendered = stats.CInvocations;
// g_FreePipelineQueries[i] = g_PipelineQueries[i]; // Put back on free list.
// }
// }
//}
}
