229 lines
6.7 KiB
C++
229 lines
6.7 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "VideoBackends/D3D/D3DBase.h"
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#include "VideoBackends/D3D/PixelShaderCache.h"
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#include "VideoBackends/D3D/Render.h"
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#include "VideoBackends/D3D/VertexManager.h"
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#include "VideoBackends/D3D/VertexShaderCache.h"
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#include "VideoCommon/BPMemory.h"
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#include "VideoCommon/Debugger.h"
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#include "VideoCommon/IndexGenerator.h"
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#include "VideoCommon/MainBase.h"
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#include "VideoCommon/PixelShaderManager.h"
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#include "VideoCommon/RenderBase.h"
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#include "VideoCommon/Statistics.h"
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#include "VideoCommon/TextureCacheBase.h"
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#include "VideoCommon/VertexLoaderManager.h"
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#include "VideoCommon/VertexShaderManager.h"
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#include "VideoCommon/VideoConfig.h"
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namespace DX11
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{
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// TODO: Find sensible values for these two
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const u32 MAX_IBUFFER_SIZE = VertexManager::MAXIBUFFERSIZE * sizeof(u16) * 8;
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const u32 MAX_VBUFFER_SIZE = VertexManager::MAXVBUFFERSIZE;
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const u32 MAX_BUFFER_SIZE = MAX_IBUFFER_SIZE + MAX_VBUFFER_SIZE;
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void VertexManager::CreateDeviceObjects()
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{
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D3D11_BUFFER_DESC bufdesc = CD3D11_BUFFER_DESC(MAX_BUFFER_SIZE,
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D3D11_BIND_INDEX_BUFFER | D3D11_BIND_VERTEX_BUFFER, D3D11_USAGE_DYNAMIC, D3D11_CPU_ACCESS_WRITE);
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m_vertexDrawOffset = 0;
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m_indexDrawOffset = 0;
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for (int i = 0; i < MAX_BUFFER_COUNT; i++)
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{
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m_buffers[i] = nullptr;
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CHECK(SUCCEEDED(D3D::device->CreateBuffer(&bufdesc, nullptr, &m_buffers[i])), "Failed to create buffer.");
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D3D::SetDebugObjectName((ID3D11DeviceChild*)m_buffers[i], "Buffer of VertexManager");
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}
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m_currentBuffer = 0;
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m_bufferCursor = MAX_BUFFER_SIZE;
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m_lineShader.Init();
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m_pointShader.Init();
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}
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void VertexManager::DestroyDeviceObjects()
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{
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m_pointShader.Shutdown();
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m_lineShader.Shutdown();
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for (int i = 0; i < MAX_BUFFER_COUNT; i++)
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{
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SAFE_RELEASE(m_buffers[i]);
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}
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}
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VertexManager::VertexManager()
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{
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LocalVBuffer.resize(MAXVBUFFERSIZE);
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s_pCurBufferPointer = s_pBaseBufferPointer = &LocalVBuffer[0];
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s_pEndBufferPointer = s_pBaseBufferPointer + LocalVBuffer.size();
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LocalIBuffer.resize(MAXIBUFFERSIZE);
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CreateDeviceObjects();
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}
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VertexManager::~VertexManager()
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{
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DestroyDeviceObjects();
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}
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void VertexManager::PrepareDrawBuffers(u32 stride)
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{
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D3D11_MAPPED_SUBRESOURCE map;
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u32 vertexBufferSize = u32(s_pCurBufferPointer - s_pBaseBufferPointer);
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u32 indexBufferSize = IndexGenerator::GetIndexLen() * sizeof(u16);
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u32 totalBufferSize = vertexBufferSize + indexBufferSize;
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u32 cursor = m_bufferCursor;
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u32 padding = m_bufferCursor % stride;
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if (padding)
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{
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cursor += stride - padding;
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}
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D3D11_MAP MapType = D3D11_MAP_WRITE_NO_OVERWRITE;
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if (cursor + totalBufferSize >= MAX_BUFFER_SIZE)
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{
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// Wrap around
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m_currentBuffer = (m_currentBuffer + 1) % MAX_BUFFER_COUNT;
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cursor = 0;
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MapType = D3D11_MAP_WRITE_DISCARD;
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}
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m_vertexDrawOffset = cursor;
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m_indexDrawOffset = cursor + vertexBufferSize;
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D3D::context->Map(m_buffers[m_currentBuffer], 0, MapType, 0, &map);
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u8* mappedData = reinterpret_cast<u8*>(map.pData);
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memcpy(mappedData + m_vertexDrawOffset, s_pBaseBufferPointer, vertexBufferSize);
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memcpy(mappedData + m_indexDrawOffset, GetIndexBuffer(), indexBufferSize);
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D3D::context->Unmap(m_buffers[m_currentBuffer], 0);
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m_bufferCursor = cursor + totalBufferSize;
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ADDSTAT(stats.thisFrame.bytesVertexStreamed, vertexBufferSize);
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ADDSTAT(stats.thisFrame.bytesIndexStreamed, indexBufferSize);
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}
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static const float LINE_PT_TEX_OFFSETS[8] = {
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0.f, 0.0625f, 0.125f, 0.25f, 0.5f, 1.f, 1.f, 1.f
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};
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void VertexManager::Draw(u32 stride)
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{
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u32 components = VertexLoaderManager::GetCurrentVertexFormat()->m_components;
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u32 indices = IndexGenerator::GetIndexLen();
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u32 zero = 0;
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D3D::context->IASetVertexBuffers(0, 1, &m_buffers[m_currentBuffer], &stride, &zero);
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D3D::context->IASetIndexBuffer(m_buffers[m_currentBuffer], DXGI_FORMAT_R16_UINT, 0);
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u32 baseVertex = m_vertexDrawOffset / stride;
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u32 startIndex = m_indexDrawOffset / sizeof(u16);
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if (current_primitive_type == PRIMITIVE_TRIANGLES)
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{
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D3D::context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
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D3D::context->DrawIndexed(indices, startIndex, baseVertex);
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INCSTAT(stats.thisFrame.numDrawCalls);
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}
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else if (current_primitive_type == PRIMITIVE_LINES)
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{
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float lineWidth = float(bpmem.lineptwidth.linesize) / 6.f;
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float texOffset = LINE_PT_TEX_OFFSETS[bpmem.lineptwidth.lineoff];
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float vpWidth = 2.0f * xfmem.viewport.wd;
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float vpHeight = -2.0f * xfmem.viewport.ht;
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bool texOffsetEnable[8];
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for (int i = 0; i < 8; ++i)
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texOffsetEnable[i] = bpmem.texcoords[i].s.line_offset;
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if (m_lineShader.SetShader(components, lineWidth,
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texOffset, vpWidth, vpHeight, texOffsetEnable))
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{
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((DX11::Renderer*)g_renderer)->ApplyCullDisable(); // Disable culling for lines and points
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D3D::context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_LINELIST);
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D3D::context->DrawIndexed(indices, startIndex, baseVertex);
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INCSTAT(stats.thisFrame.numDrawCalls);
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D3D::context->GSSetShader(nullptr, nullptr, 0);
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((DX11::Renderer*)g_renderer)->RestoreCull();
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}
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}
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else //if (current_primitive_type == PRIMITIVE_POINTS)
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{
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float pointSize = float(bpmem.lineptwidth.pointsize) / 6.f;
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float texOffset = LINE_PT_TEX_OFFSETS[bpmem.lineptwidth.pointoff];
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float vpWidth = 2.0f * xfmem.viewport.wd;
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float vpHeight = -2.0f * xfmem.viewport.ht;
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bool texOffsetEnable[8];
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for (int i = 0; i < 8; ++i)
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texOffsetEnable[i] = bpmem.texcoords[i].s.point_offset;
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if (m_pointShader.SetShader(components, pointSize,
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texOffset, vpWidth, vpHeight, texOffsetEnable))
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{
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((DX11::Renderer*)g_renderer)->ApplyCullDisable(); // Disable culling for lines and points
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D3D::context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_POINTLIST);
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D3D::context->DrawIndexed(indices, startIndex, baseVertex);
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INCSTAT(stats.thisFrame.numDrawCalls);
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D3D::context->GSSetShader(nullptr, nullptr, 0);
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((DX11::Renderer*)g_renderer)->RestoreCull();
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}
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}
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}
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void VertexManager::vFlush(bool useDstAlpha)
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{
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u32 components = VertexLoaderManager::GetCurrentVertexFormat()->m_components;
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if (!PixelShaderCache::SetShader(
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useDstAlpha ? DSTALPHA_DUAL_SOURCE_BLEND : DSTALPHA_NONE, components))
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{
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GFX_DEBUGGER_PAUSE_LOG_AT(NEXT_ERROR,true,{printf("Fail to set pixel shader\n");});
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return;
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}
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if (!VertexShaderCache::SetShader(components))
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{
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GFX_DEBUGGER_PAUSE_LOG_AT(NEXT_ERROR,true,{printf("Fail to set pixel shader\n");});
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return;
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}
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u32 stride = VertexLoaderManager::GetCurrentVertexFormat()->GetVertexStride();
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PrepareDrawBuffers(stride);
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VertexLoaderManager::GetCurrentVertexFormat()->SetupVertexPointers();
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g_renderer->ApplyState(useDstAlpha);
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Draw(stride);
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g_renderer->RestoreState();
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}
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void VertexManager::ResetBuffer(u32 stride)
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{
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s_pCurBufferPointer = s_pBaseBufferPointer;
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IndexGenerator::Start(GetIndexBuffer());
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}
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} // namespace
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