C++ EFBRectangle::GetWidth方法代码示例

void FramebufferManagerBase::CopyToVirtualXFB(u32 xfbAddr, u32 fbStride, u32 fbHeight, const EFBRectangle& sourceRc, float Gamma)
{
	if (!g_framebuffer_manager)
		return;

	VirtualXFBListType::iterator vxfb = FindVirtualXFB(xfbAddr, sourceRc.GetWidth(), fbHeight);

	if (m_virtualXFBList.end() == vxfb)
	{
		if (m_virtualXFBList.size() < MAX_VIRTUAL_XFB)
		{
			// create a new Virtual XFB and place it at the front of the list
			m_virtualXFBList.emplace_front();
			vxfb = m_virtualXFBList.begin();
		}
		else
		{
			// Replace the last virtual XFB
			--vxfb;
		}
	}
	//else // replace existing virtual XFB

	// move this Virtual XFB to the front of the list.
	if (m_virtualXFBList.begin() != vxfb)
		m_virtualXFBList.splice(m_virtualXFBList.begin(), m_virtualXFBList, vxfb);

	unsigned int target_width, target_height;
	g_framebuffer_manager->GetTargetSize(&target_width, &target_height);

	// recreate if needed
	if (vxfb->xfbSource && (vxfb->xfbSource->texWidth != target_width || vxfb->xfbSource->texHeight != target_height))
		vxfb->xfbSource.reset();

	if (!vxfb->xfbSource)
	{
		vxfb->xfbSource = g_framebuffer_manager->CreateXFBSource(target_width, target_height, m_EFBLayers);
		if (!vxfb->xfbSource)
			return;

		vxfb->xfbSource->texWidth = target_width;
		vxfb->xfbSource->texHeight = target_height;
	}

	vxfb->xfbSource->srcAddr = vxfb->xfbAddr = xfbAddr;
	vxfb->xfbSource->srcWidth = vxfb->xfbWidth = sourceRc.GetWidth();
	vxfb->xfbSource->srcHeight = vxfb->xfbHeight = fbHeight;

	vxfb->xfbSource->sourceRc = g_renderer->ConvertEFBRectangle(sourceRc);

	// keep stale XFB data from being used
	ReplaceVirtualXFB();

	// Copy EFB data to XFB and restore render target again
	vxfb->xfbSource->CopyEFB(Gamma);
}

void FramebufferManager::CopyToRealXFB(u32 xfbAddr, u32 fbStride, u32 fbHeight, const EFBRectangle& sourceRc, float Gamma)
{
    u8* xfb_in_ram = Memory::GetPointer(xfbAddr);
    if (!xfb_in_ram)
    {
        WARN_LOG(VIDEO, "Tried to copy to invalid XFB address");
        return;
    }

    TargetRectangle targetRc = g_renderer->ConvertEFBRectangle(sourceRc);
    std::swap(targetRc.top, targetRc.bottom);
    TextureConverter::EncodeToRamYUYV(GetEFBColorTexture(), targetRc, xfb_in_ram, sourceRc.GetWidth(), fbStride, fbHeight, Gamma);
}

//.........这里部分代码省略.........
			colmat[1] = colmat[5] = colmat[9] = colmat[13] = 1.0f;
			cbufid = 22;
			break;
		case 10: // B8
			colmat[2] = colmat[6] = colmat[10] = colmat[14] = 1.0f;
			cbufid = 23;
			break;

		case 11: // RG8
			colmat[0] = colmat[4] = colmat[8] = colmat[13] = 1.0f;
			cbufid = 24;
			break;

		case 12: // GB8
			colmat[1] = colmat[5] = colmat[9] = colmat[14] = 1.0f;
			cbufid = 25;
			break;

		case 4: // RGB565
			colmat[0] = colmat[5] = colmat[10] = 1.0f;
			ColorMask[0] = ColorMask[2] = 31.0f;
			ColorMask[4] = ColorMask[6] = 1.0f / 31.0f;
			ColorMask[1] = 63.0f;
			ColorMask[5] = 1.0f / 63.0f;
			fConstAdd[3] = 1.0f; // set alpha to 1
			cbufid = 26;
			break;

		case 5: // RGB5A3
			colmat[0] = colmat[5] = colmat[10] = colmat[15] = 1.0f;
			ColorMask[0] = ColorMask[1] = ColorMask[2] = 31.0f;
			ColorMask[4] = ColorMask[5] = ColorMask[6] = 1.0f / 31.0f;
			ColorMask[3] = 7.0f;
			ColorMask[7] = 1.0f / 7.0f;

			cbufid = 27;
			if (!efbHasAlpha) {
				ColorMask[3] = 0.0f;
				fConstAdd[3] = 1.0f;
				cbufid = 28;
			}
			break;
		case 6: // RGBA8
			colmat[0] = colmat[5] = colmat[10] = colmat[15] = 1.0f;

			cbufid = 29;
			if (!efbHasAlpha) {
				ColorMask[3] = 0.0f;
				fConstAdd[3] = 1.0f;
				cbufid = 30;
			}
			break;

		default:
			ERROR_LOG(VIDEO, "Unknown copy color format: 0x%x", dstFormat);
			colmat[0] = colmat[5] = colmat[10] = colmat[15] = 1.0f;
			cbufid = 31;
			break;
		}
	}

	const unsigned int tex_w = scaleByHalf ? srcRect.GetWidth()/2 : srcRect.GetWidth();
	const unsigned int tex_h = scaleByHalf ? srcRect.GetHeight()/2 : srcRect.GetHeight();

	unsigned int scaled_tex_w = g_ActiveConfig.bCopyEFBScaled ? Renderer::EFBToScaledX(tex_w) : tex_w;
	unsigned int scaled_tex_h = g_ActiveConfig.bCopyEFBScaled ? Renderer::EFBToScaledY(tex_h) : tex_h;


	TCacheEntryBase *entry = textures[dstAddr];
	if (entry)
	{
		if (entry->type == TCET_EC_DYNAMIC && entry->native_width == tex_w && entry->native_height == tex_h)
		{
			scaled_tex_w = tex_w;
			scaled_tex_h = tex_h;
		}
		else if (!(entry->type == TCET_EC_VRAM && entry->virtual_width == scaled_tex_w && entry->virtual_height == scaled_tex_h))
		{
			// remove it and recreate it as a render target
			delete entry;
			entry = nullptr;
		}
	}

	if (nullptr == entry)
	{
		// create the texture
		textures[dstAddr] = entry = g_texture_cache->CreateRenderTargetTexture(scaled_tex_w, scaled_tex_h);

		// TODO: Using the wrong dstFormat, dumb...
		entry->SetGeneralParameters(dstAddr, 0, dstFormat, 1);
		entry->SetDimensions(tex_w, tex_h, scaled_tex_w, scaled_tex_h);
		entry->SetHashes(TEXHASH_INVALID);
		entry->type = TCET_EC_VRAM;
	}

	entry->frameCount = frameCount;

	entry->FromRenderTarget(dstAddr, dstFormat, srcFormat, srcRect, isIntensity, scaleByHalf, cbufid, colmat);
}

//.........这里部分代码省略.........
			{
				ColorMask[3] = 0.0f;
				fConstAdd[3] = 1.0f;
				cbufid = 28;
			}
			break;
		case 6: // RGBA8
			colmat[0] = colmat[5] = colmat[10] = colmat[15] = 1.0f;

			cbufid = 29;
			if (!efbHasAlpha)
			{
				ColorMask[3] = 0.0f;
				fConstAdd[3] = 1.0f;
				cbufid = 30;
			}
			break;

		default:
			ERROR_LOG(VIDEO, "Unknown copy color format: 0x%x", dstFormat);
			colmat[0] = colmat[5] = colmat[10] = colmat[15] = 1.0f;
			cbufid = 31;
			break;
		}
	}

	u8* dst = Memory::GetPointer(dstAddr);
	if (dst == nullptr)
	{
		ERROR_LOG(VIDEO, "Trying to copy from EFB to invalid address 0x%8x", dstAddr);
		return;
	}

	const unsigned int tex_w = scaleByHalf ? srcRect.GetWidth() / 2 : srcRect.GetWidth();
	const unsigned int tex_h = scaleByHalf ? srcRect.GetHeight() / 2 : srcRect.GetHeight();

	unsigned int scaled_tex_w = g_ActiveConfig.bCopyEFBScaled ? Renderer::EFBToScaledX(tex_w) : tex_w;
	unsigned int scaled_tex_h = g_ActiveConfig.bCopyEFBScaled ? Renderer::EFBToScaledY(tex_h) : tex_h;

	// remove all texture cache entries at dstAddr
	{
		std::pair<TexCache::iterator, TexCache::iterator> iter_range = textures_by_address.equal_range((u64)dstAddr);
		TexCache::iterator iter = iter_range.first;
		while (iter != iter_range.second)
		{
			iter = FreeTexture(iter);
		}
	}

	// create the texture
	TCacheEntryConfig config;
	config.rendertarget = true;
	config.width = scaled_tex_w;
	config.height = scaled_tex_h;
	config.layers = FramebufferManagerBase::GetEFBLayers();

	TCacheEntryBase* entry = AllocateTexture(config);

	entry->SetGeneralParameters(dstAddr, 0, dstFormat);
	entry->SetDimensions(tex_w, tex_h, 1);

	entry->frameCount = FRAMECOUNT_INVALID;
	entry->SetEfbCopy(dstStride);
	entry->is_custom_tex = false;

	entry->FromRenderTarget(dst, dstFormat, dstStride, srcFormat, srcRect, isIntensity, scaleByHalf, cbufid, colmat);

//.........这里部分代码省略.........
			{
				ColorMask[3] = 0.0f;
				fConstAdd[3] = 1.0f;
				cbufid = 28;
			}
			break;
		case 6: // RGBA8
			colmat[0] = colmat[5] = colmat[10] = colmat[15] = 1.0f;

			cbufid = 29;
			if (!efbHasAlpha)
			{
				ColorMask[3] = 0.0f;
				fConstAdd[3] = 1.0f;
				cbufid = 30;
			}
			break;

		default:
			ERROR_LOG(VIDEO, "Unknown copy color format: 0x%x", dstFormat);
			colmat[0] = colmat[5] = colmat[10] = colmat[15] = 1.0f;
			cbufid = 31;
			break;
		}
	}

	u8* dst = Memory::GetPointer(dstAddr);
	if (dst == nullptr)
	{
		ERROR_LOG(VIDEO, "Trying to copy from EFB to invalid address 0x%8x", dstAddr);
		return;
	}

	const unsigned int tex_w = scaleByHalf ? srcRect.GetWidth() / 2 : srcRect.GetWidth();
	const unsigned int tex_h = scaleByHalf ? srcRect.GetHeight() / 2 : srcRect.GetHeight();

	unsigned int scaled_tex_w = g_ActiveConfig.bCopyEFBScaled ? Renderer::EFBToScaledX(tex_w) : tex_w;
	unsigned int scaled_tex_h = g_ActiveConfig.bCopyEFBScaled ? Renderer::EFBToScaledY(tex_h) : tex_h;

	// Remove all texture cache entries at dstAddr
	//   It's not possible to have two EFB copies at the same address, this makes sure any old efb copies
	//   (or normal textures) are removed from texture cache. They are also un-linked from any partially
	//   updated textures, which forces that partially updated texture to be updated.
	// TODO: This also wipes out non-efb copies, which is counterproductive.
	{
		std::pair<TexCache::iterator, TexCache::iterator> iter_range = textures_by_address.equal_range((u64)dstAddr);
		TexCache::iterator iter = iter_range.first;
		while (iter != iter_range.second)
		{
			iter = InvalidateTexture(iter);
		}
	}

	// Get the base (in memory) format of this efb copy.
	int baseFormat = TexDecoder_GetEfbCopyBaseFormat(dstFormat);

	u32 blockH = TexDecoder_GetBlockHeightInTexels(baseFormat);
	const u32 blockW = TexDecoder_GetBlockWidthInTexels(baseFormat);

	// Round up source height to multiple of block size
	u32 actualHeight = ROUND_UP(tex_h, blockH);
	const u32 actualWidth = ROUND_UP(tex_w, blockW);

	u32 num_blocks_y = actualHeight / blockH;
	const u32 num_blocks_x = actualWidth / blockW;

size_t PSTextureEncoder::Encode(u8* dst, unsigned int dstFormat,
	PEControl::PixelFormat srcFormat, const EFBRectangle& srcRect,
	bool isIntensity, bool scaleByHalf)
{
	if (!m_ready) // Make sure we initialized OK
		return 0;

	// Clamp srcRect to 640x528. BPS: The Strike tries to encode an 800x600
	// texture, which is invalid.
	EFBRectangle correctSrc = srcRect;
	correctSrc.ClampUL(0, 0, EFB_WIDTH, EFB_HEIGHT);

	// Validate source rect size
	if (correctSrc.GetWidth() <= 0 || correctSrc.GetHeight() <= 0)
		return 0;

	HRESULT hr;

	unsigned int blockW = BLOCK_WIDTHS[dstFormat];
	unsigned int blockH = BLOCK_HEIGHTS[dstFormat];

	// Round up source dims to multiple of block size
	unsigned int actualWidth = correctSrc.GetWidth() / (scaleByHalf ? 2 : 1);
	actualWidth = (actualWidth + blockW-1) & ~(blockW-1);
	unsigned int actualHeight = correctSrc.GetHeight() / (scaleByHalf ? 2 : 1);
	actualHeight = (actualHeight + blockH-1) & ~(blockH-1);

	unsigned int numBlocksX = actualWidth/blockW;
	unsigned int numBlocksY = actualHeight/blockH;

	unsigned int cacheLinesPerRow;
	if (dstFormat == 0x6) // RGBA takes two cache lines per block; all others take one
		cacheLinesPerRow = numBlocksX*2;
	else
		cacheLinesPerRow = numBlocksX;
	_assert_msg_(VIDEO, cacheLinesPerRow*32 <= MAX_BYTES_PER_BLOCK_ROW, "cache lines per row sanity check");

	unsigned int totalCacheLines = cacheLinesPerRow * numBlocksY;
	_assert_msg_(VIDEO, totalCacheLines*32 <= MAX_BYTES_PER_ENCODE, "total encode size sanity check");

	size_t encodeSize = 0;

	// Reset API
	g_renderer->ResetAPIState();

	// Set up all the state for EFB encoding

	{
		D3D11_VIEWPORT vp = CD3D11_VIEWPORT(0.f, 0.f, FLOAT(cacheLinesPerRow * 8), FLOAT(numBlocksY));
		D3D::context->RSSetViewports(1, &vp);

		EFBRectangle fullSrcRect;
		fullSrcRect.left = 0;
		fullSrcRect.top = 0;
		fullSrcRect.right = EFB_WIDTH;
		fullSrcRect.bottom = EFB_HEIGHT;
		TargetRectangle targetRect = g_renderer->ConvertEFBRectangle(fullSrcRect);

		D3D::context->OMSetRenderTargets(1, &m_outRTV, nullptr);

		ID3D11ShaderResourceView* pEFB = (srcFormat == PEControl::Z24) ?
			FramebufferManager::GetResolvedEFBDepthTexture()->GetSRV() :
			// FIXME: Instead of resolving EFB, it would be better to pick out a
			// single sample from each pixel. The game may break if it isn't
			// expecting the blurred edges around multisampled shapes.
			FramebufferManager::GetResolvedEFBColorTexture()->GetSRV();

		EFBEncodeParams params;
		params.SrcLeft = correctSrc.left;
		params.SrcTop = correctSrc.top;
		params.DestWidth = actualWidth;
		params.ScaleFactor = scaleByHalf ? 2 : 1;
		D3D::context->UpdateSubresource(m_encodeParams, 0, nullptr, &params, 0, 0);
		D3D::stateman->SetPixelConstants(m_encodeParams);

		// Use linear filtering if (bScaleByHalf), use point filtering otherwise
		if (scaleByHalf)
			D3D::SetLinearCopySampler();
		else
			D3D::SetPointCopySampler();

		D3D::drawShadedTexQuad(pEFB,
			targetRect.AsRECT(),
			Renderer::GetTargetWidth(),
			Renderer::GetTargetHeight(),
			SetStaticShader(dstFormat, srcFormat, isIntensity, scaleByHalf),
			VertexShaderCache::GetSimpleVertexShader(),
			VertexShaderCache::GetSimpleInputLayout());

		// Copy to staging buffer
		D3D11_BOX srcBox = CD3D11_BOX(0, 0, 0, cacheLinesPerRow * 8, numBlocksY, 1);
		D3D::context->CopySubresourceRegion(m_outStage, 0, 0, 0, 0, m_out, 0, &srcBox);

		// Transfer staging buffer to GameCube/Wii RAM
		D3D11_MAPPED_SUBRESOURCE map = { 0 };
		hr = D3D::context->Map(m_outStage, 0, D3D11_MAP_READ, 0, &map);
		CHECK(SUCCEEDED(hr), "map staging buffer (0x%x)", hr);

		u8* src = (u8*)map.pData;
		for (unsigned int y = 0; y < numBlocksY; ++y)
//.........这里部分代码省略.........