void DiGBuffer::Create()
{
// create RTs
DiString gbName;
gbName = "_gb_0";
DiTexturePtr tex;
tex = DiAssetManager::GetInstance().CreateOrReplaceAsset<DiTexture>(gbName);
tex->SetDimensions(0,0);
tex->SetAdaptedRT(mParentWnd->GetRenderBuffer());
tex->SetViewportScale(DiVec2(1,1));
tex->SetFormat(PF_A32B32G32R32F);
tex->SetResourceUsage(RU_NONE);
tex->SetUsage(TU_RENDER_TARGET);
tex->CreateTexture();
tex->SetAddressing(AM_BORDER);
DiRenderTarget* rt = tex->GetRenderTarget();
rt->SetShouldUpdate(false);
//rt->SetDepthBufferPool(DiDepthBuffer::POOL_DEFAULT);
//rt->AttachDepthBuffer(mParentWnd->GetRenderBuffer()->GetDepthBuffer());
mTexture.push_back(tex);
mRenderTargets.push_back(rt);
// create materials
mMaterial = DiMaterial::QuickCreate("gbuffer.vsh","gbuffer.psh");
mMaterial->SetDepthWrite(TRUE);
mMaterial->SetDepthCheck(TRUE);
}
void DiPostEffectPass::BuildTexture( int scale, DiPixelFormat format )
{
DiString texname = mPassName + "_t";
mQuadScale = scale;
mTexture = DiAssetManager::GetInstance().CreateOrReplaceAsset<DiTexture>(texname);
mTexture->SetDimensions(0,0);
mTexture->SetAdaptedRT(mParent->GetPostEffectManager(
)->GetRenderWindow()->GetRenderBuffer());
mTexture->SetViewportScale(DiVec2(1,1));
mTexture->SetFormat(format);
mTexture->SetResourceUsage(RU_NONE);
mTexture->SetUsage(TU_RENDER_TARGET);
mTexture->CreateTexture();
mTexture->SetAddressing(AM_BORDER);
mRenderTarget = mTexture->GetRenderTarget();
mRenderTarget->SetShouldUpdate(false);
mRenderTarget->SetDepthBufferPool(0);
}
void DiMaterial::LoadShader(const DiString& vsname, const DiString& psname)
{
if (!DiShaderManager::GetInstancePtr())
return;
// no need to release these pointers since we have shader manager
mVertexShader = DiShaderManager::GetInstance().LoadShader(vsname, SHADER_VERTEX, mShaderFlag);
mPixelShader = DiShaderManager::GetInstance().LoadShader(psname, SHADER_PIXEL , mShaderFlag);
mVSName = vsname;
mPSName = psname;
mShaderParameter->LoadParameters();
if(mShaderFlag & SHADER_FLAG_SHADOW_RECEIVER)
{
mShaderParameter->WriteTexture2D("shadowMap", "_shad_tex_0");
mShaderParameter->WriteFloat2("invShadowMapSize", DiVec2(1/1024.0f, 1/1024.0f)); // todo
}
}
void DiSprite::UpdateGeometry(DiRenderTarget* rt)
{
if (mQuads.empty())
{
mPrimitiveCount = 0;
return;
}
if (!rt)
return;
ReleaseSourceData();
auto vb = Driver->CreateVertexBuffer();
if (!vb)
return;
mSourceData.push_back(vb);
mVerticesNum = 6 * mQuads.size();
mPrimitiveCount = 2 * mQuads.size();
uint32 vertSize = (3 + 2) * sizeof(float) + sizeof(ARGB);
mSourceData[0]->Create(mVerticesNum*vertSize);
uint8* lockedData = DI_NEW uint8[mVerticesNum*vertSize];
uint32 w = (uint32)(rt->GetWidth() * rt->GetViewport().mWidth);
uint32 h = (uint32)(rt->GetHeight() * rt->GetViewport().mHeight);
DiVec2 invScreenSize;
invScreenSize = DiVec2(1.0f / (float)w, 1.0f / (float)h);
DiVec2 posAdjust(1, -1);
float* dest = (float*)lockedData;
if (!mMaterial || mMaterial->HasTexture())
{
for (auto it = mQuads.begin(); it != mQuads.end(); ++it)
{
DiQuadElement quad = *it;
DiVec2 topLeft, bottomRight, topLeftUv, bottomRightUv;
quad.top *= -1;
quad.bottom *= -1;
if (!quad.absCoord)
{
quad.left *= (float)w;
quad.right *= (float)w;
quad.top *= (float)h;
quad.bottom *= (float)h;
}
topLeft = (DiVec2((float)quad.left, (float)quad.top)/*+DiVec2(0.5f,0.5f)*/) * invScreenSize*2;
bottomRight = (DiVec2((float)quad.right, (float)quad.bottom)/*+DiVec2(0.5f,0.5f)*/) * invScreenSize*2;
topLeft -= posAdjust;
bottomRight -= posAdjust;
topLeftUv = DiVec2((float)quad.leftUv, (float)quad.topUv);
bottomRightUv = DiVec2((float)quad.rightUv, (float)quad.bottomUv);
*dest++ = topLeft.x; *dest++ = topLeft.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.topLeftColor; dest++;
*dest++ = topLeftUv.x; *dest++ = topLeftUv.y;
*dest++ = topLeft.x; *dest++ = bottomRight.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.bottomLeftColor; dest++;
*dest++ = topLeftUv.x; *dest++ = bottomRightUv.y;
*dest++ = bottomRight.x; *dest++ = topLeft.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.topRightColor; dest++;
*dest++ = bottomRightUv.x; *dest++ = topLeftUv.y;
*dest++ = bottomRight.x; *dest++ = topLeft.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.topRightColor; dest++;
*dest++ = bottomRightUv.x; *dest++ = topLeftUv.y;
*dest++ = topLeft.x; *dest++ = bottomRight.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.bottomLeftColor; dest++;
*dest++ = topLeftUv.x; *dest++ = bottomRightUv.y;
*dest++ = bottomRight.x; *dest++ = bottomRight.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.bottomRightColor; dest++;
*dest++ = bottomRightUv.x; *dest++ = bottomRightUv.y;
}
}
else
{
for (auto it = mQuads.begin(); it != mQuads.end(); ++it)
{
DiQuadElement quad = *it;
quad.top *= -1;
quad.bottom *= -1;
if (!quad.absCoord)
{
quad.left *= (float)w;
quad.right *= (float)w;
quad.top *= (float)h;
quad.bottom *= (float)h;
}
DiVec2 topLeft, bottomRight, topLeftUV, bottomRightUV;
topLeft = (DiVec2((float)quad.left, (float)quad.top)) * invScreenSize*2;
bottomRight = (DiVec2((float)quad.right, (float)quad.bottom)) * invScreenSize*2;
topLeft -= posAdjust;
bottomRight -= posAdjust;
*dest++ = topLeft.x; *dest++ = topLeft.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.topLeftColor; dest++;
dest += 2;
*dest++ = topLeft.x; *dest++ = bottomRight.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.bottomLeftColor; dest++;
dest += 2;
*dest++ = bottomRight.x; *dest++ = topLeft.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.topRightColor; dest++;
dest += 2;
*dest++ = bottomRight.x; *dest++ = topLeft.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.topRightColor; dest++;
dest += 2;
*dest++ = topLeft.x; *dest++ = bottomRight.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.bottomLeftColor; dest++;
dest += 2;
*dest++ = bottomRight.x; *dest++ = bottomRight.y; *dest++ = 0.0f;
*((ARGB*)dest) = quad.bottomRightColor; dest++;
dest += 2;
}
}
mSourceData[0]->WriteData(0, mVerticesNum*vertSize, lockedData);
DI_DELETE[] lockedData;
mSourceData[0]->SetStride(vertSize);
}
