mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-09 16:18:20 +00:00
[host] dxgi: refactor to support additional copy backends
This commit is contained in:
parent
36892839f3
commit
137171a8a2
@ -3,6 +3,8 @@ project(capture_DXGI LANGUAGES C)
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add_library(capture_DXGI STATIC
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src/dxgi.c
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src/d3d11.c
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src/util.c
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)
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add_definitions("-DCOBJMACROS -DINITGUID")
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198
host/platform/Windows/capture/DXGI/src/d3d11.c
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198
host/platform/Windows/capture/DXGI/src/d3d11.c
Normal file
@ -0,0 +1,198 @@
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/**
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* Looking Glass
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* Copyright © 2017-2021 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "dxgi_capture.h"
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#include <assert.h>
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#include <unistd.h>
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#include "common/debug.h"
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#include "common/runningavg.h"
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#include "common/windebug.h"
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struct D3D11Backend
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{
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RunningAvg avgMapTime;
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uint64_t usleepMapTime;
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};
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static struct DXGIInterface * dxgi = NULL;
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static struct D3D11Backend * this = NULL;
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static void d3d11_free(void);
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static bool d3d11_create(struct DXGIInterface * intf)
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{
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HRESULT status;
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dxgi = intf;
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assert(!this);
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this = calloc(1, sizeof(struct D3D11Backend));
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if (!this)
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{
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DEBUG_ERROR("failed to allocate D3D11Backend struct");
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return false;
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}
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this->avgMapTime = runningavg_new(10);
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D3D11_TEXTURE2D_DESC texDesc;
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memset(&texDesc, 0, sizeof(texDesc));
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texDesc.Width = dxgi->width;
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texDesc.Height = dxgi->height;
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texDesc.MipLevels = 1;
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texDesc.ArraySize = 1;
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texDesc.SampleDesc.Count = 1;
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texDesc.SampleDesc.Quality = 0;
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texDesc.Usage = D3D11_USAGE_STAGING;
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texDesc.Format = dxgi->dxgiFormat;
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texDesc.BindFlags = 0;
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texDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
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texDesc.MiscFlags = 0;
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for (int i = 0; i < dxgi->maxTextures; ++i)
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{
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status = ID3D11Device_CreateTexture2D(dxgi->device, &texDesc, NULL, (ID3D11Texture2D **)&dxgi->texture[i].impl);
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to create texture", status);
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goto fail;
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}
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}
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// map the texture simply to get the pitch and stride
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D3D11_MAPPED_SUBRESOURCE mapping;
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status = ID3D11DeviceContext_Map(dxgi->deviceContext, (ID3D11Resource *)dxgi->texture[0].impl, 0, D3D11_MAP_READ, 0, &mapping);
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to map the texture", status);
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goto fail;
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}
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dxgi->pitch = mapping.RowPitch;
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dxgi->stride = mapping.RowPitch / dxgi->bpp;
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ID3D11DeviceContext_Unmap(dxgi->deviceContext, (ID3D11Resource *)dxgi->texture[0].impl, 0);
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return true;
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fail:
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d3d11_free();
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return false;
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}
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static void d3d11_free(void)
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{
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assert(this);
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for (int i = 0; i < dxgi->maxTextures; ++i)
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if (dxgi->texture[i].impl)
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ID3D11Texture2D_Release((ID3D11Texture2D *) dxgi->texture[i].impl);
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runningavg_free(&this->avgMapTime);
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free(this);
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}
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static bool d3d11_copyFrame(Texture * tex, ID3D11Texture2D * src)
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{
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INTERLOCKED_SECTION(dxgi->deviceContextLock,
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{
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tex->copyTime = microtime();
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if (tex->texDamageCount < 0)
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ID3D11DeviceContext_CopyResource(dxgi->deviceContext,
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(ID3D11Resource *)tex->impl, (ID3D11Resource *)src);
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else
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{
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for (int i = 0; i < tex->texDamageCount; ++i)
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{
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FrameDamageRect * rect = tex->texDamageRects + i;
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D3D11_BOX box = {
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.left = rect->x, .top = rect->y, .front = 0, .back = 1,
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.right = rect->x + rect->width, .bottom = rect->y + rect->height,
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};
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ID3D11DeviceContext_CopySubresourceRegion(dxgi->deviceContext,
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(ID3D11Resource *)tex->impl, 0, rect->x, rect->y, 0,
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(ID3D11Resource *)src, 0, &box);
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}
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}
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ID3D11DeviceContext_Flush(dxgi->deviceContext);
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});
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return true;
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}
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static CaptureResult d3d11_mapTexture(Texture * tex)
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{
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D3D11_MAPPED_SUBRESOURCE map;
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// sleep until it's close to time to map
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const uint64_t delta = microtime() - tex->copyTime;
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if (delta < this->usleepMapTime)
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usleep(this->usleepMapTime - delta);
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// try to map the resource, but don't wait for it
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for (int i = 0; ; ++i)
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{
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HRESULT status;
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INTERLOCKED_SECTION(dxgi->deviceContextLock, {
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status = ID3D11DeviceContext_Map(dxgi->deviceContext, (ID3D11Resource *) tex->impl,
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0, D3D11_MAP_READ, 0x100000L, &map);
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});
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if (status == DXGI_ERROR_WAS_STILL_DRAWING)
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{
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if (i == 100)
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return CAPTURE_RESULT_TIMEOUT;
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usleep(1);
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continue;
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}
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to map the texture", status);
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return CAPTURE_RESULT_ERROR;
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}
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break;
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}
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tex->map = map.pData;
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// update the sleep average and sleep for 80% of the average on the next call
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runningavg_push(this->avgMapTime, microtime() - tex->copyTime);
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this->usleepMapTime = (uint64_t)(runningavg_calc(this->avgMapTime) * 0.8);
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return CAPTURE_RESULT_OK;
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}
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static void d3d11_unmapTexture(Texture * tex)
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{
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INTERLOCKED_SECTION(dxgi->deviceContextLock, {
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ID3D11DeviceContext_Unmap(dxgi->deviceContext, (ID3D11Resource *) tex->impl, 0);
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});
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tex->map = NULL;
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}
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struct DXGICopyBackend copyBackendD3D11 = {
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.name = "Direct3D 11",
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.create = d3d11_create,
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.free = d3d11_free,
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.copyFrame = d3d11_copyFrame,
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.mapTexture = d3d11_mapTexture,
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.unmapTexture = d3d11_unmapTexture,
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};
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@ -36,89 +36,23 @@
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#include <dxgi1_2.h>
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#include <dxgi1_5.h>
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#include <d3d11.h>
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#include <d3d12.h>
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#include <d3dcommon.h>
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#include <versionhelpers.h>
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#include <dwmapi.h>
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#include "dxgi_extra.h"
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#include "dxgi_capture.h"
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#define LOCKED(...) INTERLOCKED_SECTION(this->deviceContextLock, __VA_ARGS__)
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enum TextureState
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{
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TEXTURE_STATE_UNUSED,
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TEXTURE_STATE_PENDING_MAP,
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TEXTURE_STATE_MAPPED
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};
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typedef struct Texture
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{
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unsigned int formatVer;
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volatile enum TextureState state;
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ID3D11Texture2D * tex;
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D3D11_MAPPED_SUBRESOURCE map;
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uint64_t copyTime;
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uint32_t damageRectsCount;
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FrameDamageRect damageRects[KVMFR_MAX_DAMAGE_RECTS];
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int32_t texDamageCount;
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FrameDamageRect texDamageRects[KVMFR_MAX_DAMAGE_RECTS];
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}
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Texture;
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struct FrameDamage
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{
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int count;
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FrameDamageRect rects[KVMFR_MAX_DAMAGE_RECTS];
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};
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// locals
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struct iface
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{
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bool initialized;
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LARGE_INTEGER perfFreq;
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LARGE_INTEGER frameTime;
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bool stop;
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HDESK desktop;
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IDXGIFactory1 * factory;
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IDXGIAdapter1 * adapter;
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IDXGIOutput * output;
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ID3D11Device * device;
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ID3D11DeviceContext * deviceContext;
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LG_Lock deviceContextLock;
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bool useAcquireLock;
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bool dwmFlush;
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D3D_FEATURE_LEVEL featureLevel;
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IDXGIOutputDuplication * dup;
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int maxTextures;
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Texture * texture;
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int texRIndex;
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int texWIndex;
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atomic_int texReady;
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bool needsRelease;
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static struct DXGIInterface * this = NULL;
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RunningAvg avgMapTime;
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uint64_t usleepMapTime;
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CaptureGetPointerBuffer getPointerBufferFn;
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CapturePostPointerBuffer postPointerBufferFn;
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LGEvent * frameEvent;
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unsigned int formatVer;
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unsigned int width;
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unsigned int height;
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unsigned int pitch;
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unsigned int stride;
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CaptureFormat format;
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CaptureRotation rotation;
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int lastPointerX, lastPointerY;
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bool lastPointerVisible;
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struct FrameDamage frameDamage[LGMP_Q_FRAME_LEN];
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extern struct DXGICopyBackend copyBackendD3D11;
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static struct DXGICopyBackend * backends[] = {
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©BackendD3D11,
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};
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static struct iface * this = NULL;
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// forwards
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static bool dxgi_deinit();
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@ -182,7 +116,7 @@ static bool dxgi_create(CaptureGetPointerBuffer getPointerBufferFn, CapturePostP
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this = calloc(1, sizeof(*this));
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if (!this)
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{
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DEBUG_ERROR("failed to allocate iface struct");
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DEBUG_ERROR("failed to allocate DXGIInterface struct");
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return false;
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}
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@ -203,7 +137,6 @@ static bool dxgi_create(CaptureGetPointerBuffer getPointerBufferFn, CapturePostP
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this->texture = calloc(this->maxTextures, sizeof(*this->texture));
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this->getPointerBufferFn = getPointerBufferFn;
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this->postPointerBufferFn = postPointerBufferFn;
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this->avgMapTime = runningavg_new(10);
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return true;
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}
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@ -240,9 +173,6 @@ static bool dxgi_init(void)
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this->texWIndex = 0;
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atomic_store(&this->texReady, 0);
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runningavg_reset(this->avgMapTime);
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this->usleepMapTime = 0;
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lgResetEvent(this->frameEvent);
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status = CreateDXGIFactory1(&IID_IDXGIFactory1, (void **)&this->factory);
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@ -534,9 +464,11 @@ static bool dxgi_init(void)
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DXGI_OUTDUPL_DESC dupDesc;
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IDXGIOutputDuplication_GetDesc(this->dup, &dupDesc);
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DEBUG_INFO("Source Format : %s", GetDXGIFormatStr(dupDesc.ModeDesc.Format));
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uint8_t bpp = 4;
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this->dxgiFormat = dupDesc.ModeDesc.Format;
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DEBUG_INFO("Source Format : %s", GetDXGIFormatStr(this->dxgiFormat));
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this->bpp = 4;
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switch(dupDesc.ModeDesc.Format)
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{
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case DXGI_FORMAT_B8G8R8A8_UNORM : this->format = CAPTURE_FMT_BGRA ; break;
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@ -545,7 +477,7 @@ static bool dxgi_init(void)
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case DXGI_FORMAT_R16G16B16A16_FLOAT:
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this->format = CAPTURE_FMT_RGBA16F;
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bpp = 8;
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this->bpp = 8;
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break;
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default:
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@ -553,42 +485,26 @@ static bool dxgi_init(void)
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goto fail;
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}
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D3D11_TEXTURE2D_DESC texDesc;
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memset(&texDesc, 0, sizeof(texDesc));
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texDesc.Width = this->width;
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texDesc.Height = this->height;
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texDesc.MipLevels = 1;
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texDesc.ArraySize = 1;
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texDesc.SampleDesc.Count = 1;
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texDesc.SampleDesc.Quality = 0;
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texDesc.Usage = D3D11_USAGE_STAGING;
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texDesc.Format = dupDesc.ModeDesc.Format;
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texDesc.BindFlags = 0;
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texDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
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texDesc.MiscFlags = 0;
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for (int i = 0; i < this->maxTextures; ++i)
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for (int i = 0; i < ARRAY_LENGTH(backends); ++i)
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{
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this->texture[i].texDamageCount = -1;
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status = ID3D11Device_CreateTexture2D(this->device, &texDesc, NULL, &this->texture[i].tex);
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if (FAILED(status))
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if (backends[i]->create(this))
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{
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DEBUG_WINERROR("Failed to create texture", status);
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goto fail;
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this->backend = backends[i];
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break;
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}
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}
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// map the texture simply to get the pitch and stride
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D3D11_MAPPED_SUBRESOURCE mapping;
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status = ID3D11DeviceContext_Map(this->deviceContext, (ID3D11Resource *)this->texture[0].tex, 0, D3D11_MAP_READ, 0, &mapping);
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if (FAILED(status))
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if (!this->backend)
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{
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DEBUG_WINERROR("Failed to map the texture", status);
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DEBUG_ERROR("Could not find a usable copy backend");
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goto fail;
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}
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this->pitch = mapping.RowPitch;
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this->stride = mapping.RowPitch / bpp;
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ID3D11DeviceContext_Unmap(this->deviceContext, (ID3D11Resource *)this->texture[0].tex, 0);
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DEBUG_INFO("Copy backend : %s", this->backend->name);
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DEBUG_INFO("AcquireLock : %s", this->useAcquireLock ? "enabled" : "disabled");
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for (int i = 0; i < this->maxTextures; ++i)
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this->texture[i].texDamageCount = -1;
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for (int i = 0; i < LGMP_Q_FRAME_LEN; ++i)
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this->frameDamage[i].count = -1;
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@ -612,21 +528,25 @@ static bool dxgi_deinit(void)
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{
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DEBUG_ASSERT(this);
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for (int i = 0; i < this->maxTextures; ++i)
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{
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if (this->texture[i].map)
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{
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this->backend->unmapTexture(this->texture + i);
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this->texture[i].map = NULL;
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}
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}
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if (this->backend)
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{
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this->backend->free();
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this->backend = NULL;
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}
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for (int i = 0; i < this->maxTextures; ++i)
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{
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this->texture[i].state = TEXTURE_STATE_UNUSED;
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if (this->texture[i].map.pData)
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{
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ID3D11DeviceContext_Unmap(this->deviceContext, (ID3D11Resource*)this->texture[i].tex, 0);
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this->texture[i].map.pData = NULL;
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}
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if (this->texture[i].tex)
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{
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ID3D11Texture2D_Release(this->texture[i].tex);
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this->texture[i].tex = NULL;
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}
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this->texture[i].impl = NULL;
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}
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if (this->dup)
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@ -692,8 +612,6 @@ static void dxgi_free(void)
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dxgi_deinit();
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free(this->texture);
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runningavg_free(&this->avgMapTime);
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free(this);
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this = NULL;
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}
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@ -792,6 +710,20 @@ static void computeFrameDamage(Texture * tex)
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tex->damageRectsCount = dirtyRectsCount + actuallyMovedRectsCount;
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}
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static void computeTexDamage(Texture * tex)
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{
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if (tex->texDamageCount < 0 || tex->damageRectsCount == 0 ||
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tex->texDamageCount + tex->damageRectsCount > KVMFR_MAX_DAMAGE_RECTS)
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tex->texDamageCount = -1;
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else
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{
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memcpy(tex->texDamageRects + tex->texDamageCount, tex->damageRects,
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tex->damageRectsCount * sizeof(FrameDamageRect));
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tex->texDamageCount += tex->damageRectsCount;
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tex->texDamageCount = rectsMergeOverlapping(tex->texDamageRects, tex->texDamageCount);
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}
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}
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static CaptureResult dxgi_capture(void)
|
||||
{
|
||||
DEBUG_ASSERT(this);
|
||||
@ -881,57 +813,22 @@ static CaptureResult dxgi_capture(void)
|
||||
|
||||
if (copyFrame || copyPointer)
|
||||
{
|
||||
DXGI_OUTDUPL_POINTER_SHAPE_INFO shapeInfo;
|
||||
LOCKED(
|
||||
{
|
||||
if (copyFrame)
|
||||
{
|
||||
computeFrameDamage(tex);
|
||||
|
||||
if (tex->texDamageCount < 0 || tex->damageRectsCount == 0 ||
|
||||
tex->texDamageCount + tex->damageRectsCount > KVMFR_MAX_DAMAGE_RECTS)
|
||||
tex->texDamageCount = -1;
|
||||
else
|
||||
{
|
||||
memcpy(tex->texDamageRects + tex->texDamageCount, tex->damageRects,
|
||||
tex->damageRectsCount * sizeof(*tex->damageRects));
|
||||
tex->texDamageCount += tex->damageRectsCount;
|
||||
tex->texDamageCount = rectsMergeOverlapping(tex->texDamageRects, tex->texDamageCount);
|
||||
}
|
||||
|
||||
// issue the copy from GPU to CPU RAM
|
||||
tex->copyTime = microtime();
|
||||
if (tex->texDamageCount < 0)
|
||||
ID3D11DeviceContext_CopyResource(this->deviceContext,
|
||||
(ID3D11Resource *)tex->tex, (ID3D11Resource *)src);
|
||||
else
|
||||
{
|
||||
for (int i = 0; i < tex->texDamageCount; ++i)
|
||||
{
|
||||
FrameDamageRect * rect = tex->texDamageRects + i;
|
||||
D3D11_BOX box = {
|
||||
.left = rect->x, .top = rect->y, .front = 0, .back = 1,
|
||||
.right = rect->x + rect->width, .bottom = rect->y + rect->height,
|
||||
};
|
||||
ID3D11DeviceContext_CopySubresourceRegion(this->deviceContext,
|
||||
(ID3D11Resource *)tex->tex, 0, rect->x, rect->y, 0,
|
||||
(ID3D11Resource *)src, 0, &box);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (copyPointer)
|
||||
{
|
||||
// grab the pointer shape
|
||||
status = IDXGIOutputDuplication_GetFramePointerShape(
|
||||
this->dup, bufferSize, pointerShape, &pointerShapeSize, &shapeInfo);
|
||||
}
|
||||
|
||||
ID3D11DeviceContext_Flush(this->deviceContext);
|
||||
});
|
||||
|
||||
if (copyFrame)
|
||||
{
|
||||
if (this->useAcquireLock)
|
||||
{
|
||||
LOCKED({ computeFrameDamage(tex); });
|
||||
}
|
||||
else
|
||||
computeFrameDamage(tex);
|
||||
computeTexDamage(tex);
|
||||
|
||||
if (!this->backend->copyFrame(tex, src))
|
||||
{
|
||||
ID3D11Texture2D_Release(src);
|
||||
return CAPTURE_RESULT_ERROR;
|
||||
}
|
||||
|
||||
ID3D11Texture2D_Release(src);
|
||||
|
||||
for (int i = 0; i < this->maxTextures; ++i)
|
||||
@ -966,6 +863,18 @@ static CaptureResult dxgi_capture(void)
|
||||
|
||||
if (copyPointer)
|
||||
{
|
||||
DXGI_OUTDUPL_POINTER_SHAPE_INFO shapeInfo;
|
||||
if (this->useAcquireLock)
|
||||
{
|
||||
LOCKED({
|
||||
status = IDXGIOutputDuplication_GetFramePointerShape(
|
||||
this->dup, bufferSize, pointerShape, &pointerShapeSize, &shapeInfo);
|
||||
});
|
||||
}
|
||||
else
|
||||
status = IDXGIOutputDuplication_GetFramePointerShape(
|
||||
this->dup, bufferSize, pointerShape, &pointerShapeSize, &shapeInfo);
|
||||
|
||||
result = dxgi_hResultToCaptureResult(status);
|
||||
if (result != CAPTURE_RESULT_OK)
|
||||
{
|
||||
@ -1046,37 +955,9 @@ static CaptureResult dxgi_waitFrame(CaptureFrame * frame, const size_t maxFrameS
|
||||
|
||||
Texture * tex = &this->texture[this->texRIndex];
|
||||
|
||||
// sleep until it's close to time to map
|
||||
const uint64_t delta = microtime() - tex->copyTime;
|
||||
if (delta < this->usleepMapTime)
|
||||
usleep(this->usleepMapTime - delta);
|
||||
|
||||
// try to map the resource, but don't wait for it
|
||||
for (int i = 0; ; ++i)
|
||||
{
|
||||
HRESULT status;
|
||||
LOCKED({status = ID3D11DeviceContext_Map(this->deviceContext, (ID3D11Resource*)tex->tex, 0, D3D11_MAP_READ, 0x100000L, &tex->map);});
|
||||
if (status == DXGI_ERROR_WAS_STILL_DRAWING)
|
||||
{
|
||||
if (i == 100)
|
||||
return CAPTURE_RESULT_TIMEOUT;
|
||||
|
||||
usleep(1);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (FAILED(status))
|
||||
{
|
||||
DEBUG_WINERROR("Failed to map the texture", status);
|
||||
return CAPTURE_RESULT_ERROR;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
// update the sleep average and sleep for 80% of the average on the next call
|
||||
runningavg_push(this->avgMapTime, microtime() - tex->copyTime);
|
||||
this->usleepMapTime = (uint64_t)(runningavg_calc(this->avgMapTime) * 0.8);
|
||||
CaptureResult result = this->backend->mapTexture(tex);
|
||||
if (result != CAPTURE_RESULT_OK)
|
||||
return result;
|
||||
|
||||
tex->state = TEXTURE_STATE_MAPPED;
|
||||
|
||||
@ -1112,14 +993,14 @@ static CaptureResult dxgi_getFrame(FrameBuffer * frame,
|
||||
damage->count + tex->damageRectsCount > KVMFR_MAX_DAMAGE_RECTS;
|
||||
|
||||
if (damageAll)
|
||||
framebuffer_write(frame, tex->map.pData, this->pitch * height);
|
||||
framebuffer_write(frame, tex->map, this->pitch * height);
|
||||
else
|
||||
{
|
||||
memcpy(damage->rects + damage->count, tex->damageRects,
|
||||
tex->damageRectsCount * sizeof(*tex->damageRects));
|
||||
damage->count += tex->damageRectsCount;
|
||||
rectsBufferToFramebuffer(damage->rects, damage->count, frame, this->pitch,
|
||||
height, tex->map.pData, this->pitch);
|
||||
height, tex->map, this->pitch);
|
||||
}
|
||||
|
||||
for (int i = 0; i < LGMP_Q_FRAME_LEN; ++i)
|
||||
@ -1138,7 +1019,7 @@ static CaptureResult dxgi_getFrame(FrameBuffer * frame,
|
||||
damage->count = -1;
|
||||
}
|
||||
|
||||
LOCKED({ID3D11DeviceContext_Unmap(this->deviceContext, (ID3D11Resource*)tex->tex, 0);});
|
||||
this->backend->unmapTexture(tex);
|
||||
tex->state = TEXTURE_STATE_UNUSED;
|
||||
|
||||
if (++this->texRIndex == this->maxTextures)
|
||||
|
118
host/platform/Windows/capture/DXGI/src/dxgi_capture.h
Normal file
118
host/platform/Windows/capture/DXGI/src/dxgi_capture.h
Normal file
@ -0,0 +1,118 @@
|
||||
/**
|
||||
* Looking Glass
|
||||
* Copyright © 2017-2021 The Looking Glass Authors
|
||||
* https://looking-glass.io
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the Free
|
||||
* Software Foundation; either version 2 of the License, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc., 59
|
||||
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
#include <dxgi.h>
|
||||
#include <dxgi1_2.h>
|
||||
#include <d3d11.h>
|
||||
#include <d3dcommon.h>
|
||||
|
||||
#include "common/KVMFR.h"
|
||||
#include "common/event.h"
|
||||
#include "common/locking.h"
|
||||
#include "common/types.h"
|
||||
#include "interface/capture.h"
|
||||
|
||||
enum TextureState
|
||||
{
|
||||
TEXTURE_STATE_UNUSED,
|
||||
TEXTURE_STATE_PENDING_MAP,
|
||||
TEXTURE_STATE_MAPPED
|
||||
};
|
||||
|
||||
typedef struct Texture
|
||||
{
|
||||
unsigned int formatVer;
|
||||
volatile enum TextureState state;
|
||||
void * map;
|
||||
uint64_t copyTime;
|
||||
uint32_t damageRectsCount;
|
||||
FrameDamageRect damageRects[KVMFR_MAX_DAMAGE_RECTS];
|
||||
int32_t texDamageCount;
|
||||
FrameDamageRect texDamageRects[KVMFR_MAX_DAMAGE_RECTS];
|
||||
|
||||
void * impl;
|
||||
}
|
||||
Texture;
|
||||
|
||||
struct FrameDamage
|
||||
{
|
||||
int count;
|
||||
FrameDamageRect rects[KVMFR_MAX_DAMAGE_RECTS];
|
||||
};
|
||||
|
||||
struct DXGICopyBackend;
|
||||
|
||||
struct DXGIInterface
|
||||
{
|
||||
bool initialized;
|
||||
LARGE_INTEGER perfFreq;
|
||||
LARGE_INTEGER frameTime;
|
||||
bool stop;
|
||||
HDESK desktop;
|
||||
IDXGIFactory1 * factory;
|
||||
IDXGIAdapter1 * adapter;
|
||||
IDXGIOutput * output;
|
||||
ID3D11Device * device;
|
||||
ID3D11DeviceContext * deviceContext;
|
||||
LG_Lock deviceContextLock;
|
||||
bool useAcquireLock;
|
||||
bool dwmFlush;
|
||||
D3D_FEATURE_LEVEL featureLevel;
|
||||
IDXGIOutputDuplication * dup;
|
||||
int maxTextures;
|
||||
Texture * texture;
|
||||
int texRIndex;
|
||||
int texWIndex;
|
||||
atomic_int texReady;
|
||||
bool needsRelease;
|
||||
DXGI_FORMAT dxgiFormat;
|
||||
struct DXGICopyBackend * backend;
|
||||
|
||||
CaptureGetPointerBuffer getPointerBufferFn;
|
||||
CapturePostPointerBuffer postPointerBufferFn;
|
||||
LGEvent * frameEvent;
|
||||
|
||||
unsigned int formatVer;
|
||||
unsigned int width;
|
||||
unsigned int height;
|
||||
unsigned int pitch;
|
||||
unsigned int stride;
|
||||
unsigned int bpp;
|
||||
CaptureFormat format;
|
||||
CaptureRotation rotation;
|
||||
|
||||
int lastPointerX, lastPointerY;
|
||||
bool lastPointerVisible;
|
||||
|
||||
struct FrameDamage frameDamage[LGMP_Q_FRAME_LEN];
|
||||
};
|
||||
|
||||
struct DXGICopyBackend
|
||||
{
|
||||
const char * name;
|
||||
bool (*create)(struct DXGIInterface * intf);
|
||||
void (*free)(void);
|
||||
bool (*copyFrame)(Texture * tex, ID3D11Texture2D * src);
|
||||
CaptureResult (*mapTexture)(Texture * tex);
|
||||
void (*unmapTexture)(Texture * tex);
|
||||
};
|
||||
|
||||
const char * GetDXGIFormatStr(DXGI_FORMAT format);
|
@ -18,9 +18,7 @@
|
||||
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <dxgi.h>
|
||||
#include <d3d11.h>
|
||||
#include <d3dcommon.h>
|
||||
#include "dxgi_capture.h"
|
||||
|
||||
static const char * DXGI_FORMAT_STR[] = {
|
||||
"DXGI_FORMAT_UNKNOWN",
|
||||
@ -147,9 +145,9 @@ static const char * DXGI_FORMAT_STR[] = {
|
||||
"DXGI_FORMAT_V408"
|
||||
};
|
||||
|
||||
static const char * GetDXGIFormatStr(DXGI_FORMAT format)
|
||||
const char * GetDXGIFormatStr(DXGI_FORMAT format)
|
||||
{
|
||||
if (format > sizeof(DXGI_FORMAT_STR) / sizeof(const char *))
|
||||
return DXGI_FORMAT_STR[0];
|
||||
return DXGI_FORMAT_STR[format];
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue
Block a user