| // |
| // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // SwapChain9.cpp: Implements a back-end specific class for the D3D9 swap chain. |
| |
| #include "libGLESv2/renderer/SwapChain9.h" |
| |
| #include "common/debug.h" |
| #include "libGLESv2/utilities.h" |
| #include "libGLESv2/renderer/renderer9_utils.h" |
| #include "libGLESv2/renderer/Renderer9.h" |
| #include "libGLESv2/renderer/RenderTarget9.h" |
| #include "libGLESv2/Context.h" |
| #include "libGLESv2/main.h" |
| |
| namespace rx |
| { |
| |
| SwapChain9::SwapChain9(Renderer9 *renderer, HWND window, HANDLE shareHandle, |
| GLenum backBufferFormat, GLenum depthBufferFormat) |
| : mRenderer(renderer), SwapChain(window, shareHandle, backBufferFormat, depthBufferFormat) |
| { |
| mSwapChain = NULL; |
| mBackBuffer = NULL; |
| mDepthStencil = NULL; |
| mRenderTarget = NULL; |
| mOffscreenTexture = NULL; |
| mWidth = -1; |
| mHeight = -1; |
| } |
| |
| SwapChain9::~SwapChain9() |
| { |
| release(); |
| } |
| |
| void SwapChain9::release() |
| { |
| if (mSwapChain) |
| { |
| mSwapChain->Release(); |
| mSwapChain = NULL; |
| } |
| |
| if (mBackBuffer) |
| { |
| mBackBuffer->Release(); |
| mBackBuffer = NULL; |
| } |
| |
| if (mDepthStencil) |
| { |
| mDepthStencil->Release(); |
| mDepthStencil = NULL; |
| } |
| |
| if (mRenderTarget) |
| { |
| mRenderTarget->Release(); |
| mRenderTarget = NULL; |
| } |
| |
| if (mOffscreenTexture) |
| { |
| mOffscreenTexture->Release(); |
| mOffscreenTexture = NULL; |
| } |
| |
| if (mWindow) |
| mShareHandle = NULL; |
| } |
| |
| static DWORD convertInterval(EGLint interval) |
| { |
| switch(interval) |
| { |
| case 0: return D3DPRESENT_INTERVAL_IMMEDIATE; |
| case 1: return D3DPRESENT_INTERVAL_ONE; |
| case 2: return D3DPRESENT_INTERVAL_TWO; |
| case 3: return D3DPRESENT_INTERVAL_THREE; |
| case 4: return D3DPRESENT_INTERVAL_FOUR; |
| default: UNREACHABLE(); |
| } |
| |
| return D3DPRESENT_INTERVAL_DEFAULT; |
| } |
| |
| EGLint SwapChain9::reset(int backbufferWidth, int backbufferHeight, EGLint swapInterval) |
| { |
| IDirect3DDevice9 *device = mRenderer->getDevice(); |
| |
| if (device == NULL) |
| { |
| return EGL_BAD_ACCESS; |
| } |
| |
| // Evict all non-render target textures to system memory and release all resources |
| // before reallocating them to free up as much video memory as possible. |
| device->EvictManagedResources(); |
| |
| HRESULT result; |
| |
| // Release specific resources to free up memory for the new render target, while the |
| // old render target still exists for the purpose of preserving its contents. |
| if (mSwapChain) |
| { |
| mSwapChain->Release(); |
| mSwapChain = NULL; |
| } |
| |
| if (mBackBuffer) |
| { |
| mBackBuffer->Release(); |
| mBackBuffer = NULL; |
| } |
| |
| if (mOffscreenTexture) |
| { |
| mOffscreenTexture->Release(); |
| mOffscreenTexture = NULL; |
| } |
| |
| if (mDepthStencil) |
| { |
| mDepthStencil->Release(); |
| mDepthStencil = NULL; |
| } |
| |
| HANDLE *pShareHandle = NULL; |
| if (!mWindow && mRenderer->getShareHandleSupport()) |
| { |
| pShareHandle = &mShareHandle; |
| } |
| |
| result = device->CreateTexture(backbufferWidth, backbufferHeight, 1, D3DUSAGE_RENDERTARGET, |
| gl_d3d9::ConvertRenderbufferFormat(mBackBufferFormat), D3DPOOL_DEFAULT, |
| &mOffscreenTexture, pShareHandle); |
| if (FAILED(result)) |
| { |
| ERR("Could not create offscreen texture: %08lX", result); |
| release(); |
| |
| if(isDeviceLostError(result)) |
| { |
| return EGL_CONTEXT_LOST; |
| } |
| else |
| { |
| return EGL_BAD_ALLOC; |
| } |
| } |
| |
| IDirect3DSurface9 *oldRenderTarget = mRenderTarget; |
| |
| result = mOffscreenTexture->GetSurfaceLevel(0, &mRenderTarget); |
| ASSERT(SUCCEEDED(result)); |
| |
| if (oldRenderTarget) |
| { |
| RECT rect = |
| { |
| 0, 0, |
| mWidth, mHeight |
| }; |
| |
| if (rect.right > static_cast<LONG>(backbufferWidth)) |
| { |
| rect.right = backbufferWidth; |
| } |
| |
| if (rect.bottom > static_cast<LONG>(backbufferHeight)) |
| { |
| rect.bottom = backbufferHeight; |
| } |
| |
| mRenderer->endScene(); |
| |
| result = device->StretchRect(oldRenderTarget, &rect, mRenderTarget, &rect, D3DTEXF_NONE); |
| ASSERT(SUCCEEDED(result)); |
| |
| oldRenderTarget->Release(); |
| } |
| |
| if (mWindow) |
| { |
| D3DPRESENT_PARAMETERS presentParameters = {0}; |
| presentParameters.AutoDepthStencilFormat = gl_d3d9::ConvertRenderbufferFormat(mDepthBufferFormat); |
| presentParameters.BackBufferCount = 1; |
| presentParameters.BackBufferFormat = gl_d3d9::ConvertRenderbufferFormat(mBackBufferFormat); |
| presentParameters.EnableAutoDepthStencil = FALSE; |
| presentParameters.Flags = 0; |
| presentParameters.hDeviceWindow = mWindow; |
| presentParameters.MultiSampleQuality = 0; // FIXME: Unimplemented |
| presentParameters.MultiSampleType = D3DMULTISAMPLE_NONE; // FIXME: Unimplemented |
| presentParameters.PresentationInterval = convertInterval(swapInterval); |
| presentParameters.SwapEffect = D3DSWAPEFFECT_DISCARD; |
| presentParameters.Windowed = TRUE; |
| presentParameters.BackBufferWidth = backbufferWidth; |
| presentParameters.BackBufferHeight = backbufferHeight; |
| |
| // http://crbug.com/140239 |
| // http://crbug.com/143434 |
| // |
| // Some AMD/Intel switchable systems / drivers appear to round swap chain surfaces to a multiple of 64 pixels in width |
| // when using the integrated Intel. This rounds the width up rather than down. |
| // |
| // Some non-switchable AMD GPUs / drivers do not respect the source rectangle to Present. Therefore, when the vendor ID |
| // is not Intel, the back buffer width must be exactly the same width as the window or horizontal scaling will occur. |
| if (mRenderer->getAdapterVendor() == VENDOR_ID_INTEL) |
| { |
| presentParameters.BackBufferWidth = (presentParameters.BackBufferWidth + 63) / 64 * 64; |
| } |
| |
| result = device->CreateAdditionalSwapChain(&presentParameters, &mSwapChain); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_INVALIDCALL || result == D3DERR_DEVICELOST); |
| |
| ERR("Could not create additional swap chains or offscreen surfaces: %08lX", result); |
| release(); |
| |
| if(isDeviceLostError(result)) |
| { |
| return EGL_CONTEXT_LOST; |
| } |
| else |
| { |
| return EGL_BAD_ALLOC; |
| } |
| } |
| |
| result = mSwapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &mBackBuffer); |
| ASSERT(SUCCEEDED(result)); |
| InvalidateRect(mWindow, NULL, FALSE); |
| } |
| |
| if (mDepthBufferFormat != GL_NONE) |
| { |
| result = device->CreateDepthStencilSurface(backbufferWidth, backbufferHeight, |
| gl_d3d9::ConvertRenderbufferFormat(mDepthBufferFormat), |
| D3DMULTISAMPLE_NONE, 0, FALSE, &mDepthStencil, NULL); |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_INVALIDCALL); |
| |
| ERR("Could not create depthstencil surface for new swap chain: 0x%08X", result); |
| release(); |
| |
| if (isDeviceLostError(result)) |
| { |
| return EGL_CONTEXT_LOST; |
| } |
| else |
| { |
| return EGL_BAD_ALLOC; |
| } |
| } |
| } |
| |
| mWidth = backbufferWidth; |
| mHeight = backbufferHeight; |
| |
| return EGL_SUCCESS; |
| } |
| |
| // parameters should be validated/clamped by caller |
| EGLint SwapChain9::swapRect(EGLint x, EGLint y, EGLint width, EGLint height) |
| { |
| if (!mSwapChain) |
| { |
| return EGL_SUCCESS; |
| } |
| |
| IDirect3DDevice9 *device = mRenderer->getDevice(); |
| |
| // Disable all pipeline operations |
| device->SetRenderState(D3DRS_ZENABLE, D3DZB_FALSE); |
| device->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID); |
| device->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE); |
| device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE); |
| device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE); |
| device->SetRenderState(D3DRS_STENCILENABLE, FALSE); |
| device->SetRenderState(D3DRS_CLIPPLANEENABLE, 0); |
| device->SetRenderState(D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_ALPHA | D3DCOLORWRITEENABLE_BLUE | D3DCOLORWRITEENABLE_GREEN | D3DCOLORWRITEENABLE_RED); |
| device->SetRenderState(D3DRS_SRGBWRITEENABLE, FALSE); |
| device->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE); |
| device->SetPixelShader(NULL); |
| device->SetVertexShader(NULL); |
| |
| device->SetRenderTarget(0, mBackBuffer); |
| device->SetDepthStencilSurface(NULL); |
| |
| device->SetTexture(0, mOffscreenTexture); |
| device->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1); |
| device->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE); |
| device->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_DISABLE); |
| device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT); |
| device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT); |
| device->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP); |
| device->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP); |
| device->SetFVF(D3DFVF_XYZRHW | D3DFVF_TEX1); |
| |
| D3DVIEWPORT9 viewport = {0, 0, mWidth, mHeight, 0.0f, 1.0f}; |
| device->SetViewport(&viewport); |
| |
| float x1 = x - 0.5f; |
| float y1 = (mHeight - y - height) - 0.5f; |
| float x2 = (x + width) - 0.5f; |
| float y2 = (mHeight - y) - 0.5f; |
| |
| float u1 = x / float(mWidth); |
| float v1 = y / float(mHeight); |
| float u2 = (x + width) / float(mWidth); |
| float v2 = (y + height) / float(mHeight); |
| |
| float quad[4][6] = {{x1, y1, 0.0f, 1.0f, u1, v2}, |
| {x2, y1, 0.0f, 1.0f, u2, v2}, |
| {x2, y2, 0.0f, 1.0f, u2, v1}, |
| {x1, y2, 0.0f, 1.0f, u1, v1}}; // x, y, z, rhw, u, v |
| |
| mRenderer->startScene(); |
| device->DrawPrimitiveUP(D3DPT_TRIANGLEFAN, 2, quad, 6 * sizeof(float)); |
| mRenderer->endScene(); |
| |
| device->SetTexture(0, NULL); |
| |
| RECT rect = |
| { |
| x, mHeight - y - height, |
| x + width, mHeight - y |
| }; |
| |
| HRESULT result = mSwapChain->Present(&rect, &rect, NULL, NULL, 0); |
| |
| gl::Context *context = static_cast<gl::Context*>(glGetCurrentContext()); |
| if (context) |
| { |
| context->markAllStateDirty(); |
| } |
| mRenderer->markAllStateDirty(); |
| |
| if (isDeviceLostError(result)) |
| { |
| return EGL_CONTEXT_LOST; |
| } |
| |
| if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_DRIVERINTERNALERROR) |
| { |
| return EGL_BAD_ALLOC; |
| } |
| |
| ASSERT(SUCCEEDED(result)); |
| |
| return EGL_SUCCESS; |
| } |
| |
| // Increments refcount on surface. |
| // caller must Release() the returned surface |
| IDirect3DSurface9 *SwapChain9::getRenderTarget() |
| { |
| if (mRenderTarget) |
| { |
| mRenderTarget->AddRef(); |
| } |
| |
| return mRenderTarget; |
| } |
| |
| // Increments refcount on surface. |
| // caller must Release() the returned surface |
| IDirect3DSurface9 *SwapChain9::getDepthStencil() |
| { |
| if (mDepthStencil) |
| { |
| mDepthStencil->AddRef(); |
| } |
| |
| return mDepthStencil; |
| } |
| |
| // Increments refcount on texture. |
| // caller must Release() the returned texture |
| IDirect3DTexture9 *SwapChain9::getOffscreenTexture() |
| { |
| if (mOffscreenTexture) |
| { |
| mOffscreenTexture->AddRef(); |
| } |
| |
| return mOffscreenTexture; |
| } |
| |
| SwapChain9 *SwapChain9::makeSwapChain9(SwapChain *swapChain) |
| { |
| ASSERT(dynamic_cast<rx::SwapChain9*>(swapChain) != NULL); |
| return static_cast<rx::SwapChain9*>(swapChain); |
| } |
| |
| } |