<commit_before>//
// Copyright (c) 2002-2010 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.
//

// Surface.cpp: Implements the egl::Surface class, representing a drawing surface
// such as the client area of a window, including any back buffers.
// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.

#include "Surface.h"

#include "main.h"
#include "debug.h"

namespace egl
{
Surface::Surface(IDirect3DDevice9 *device, IDirect3DSwapChain9 *swapChain, IDirect3DSurface9 *depthStencil, EGLint configID) 
    : mSwapChain(swapChain), mConfigID(configID), mDepthStencil(depthStencil)
{
    mBackBuffer = NULL;
    mRenderTarget = NULL;

    mPixelAspectRatio = (EGLint)(1.0 * EGL_DISPLAY_SCALING);   // FIXME: Determine actual pixel aspect ratio
    mRenderBuffer = EGL_BACK_BUFFER;
    mSwapBehavior = EGL_BUFFER_PRESERVED;

    if (mSwapChain)
    {
        mSwapChain->AddRef();
        mSwapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &mBackBuffer);

        D3DSURFACE_DESC description;
        mBackBuffer->GetDesc(&description);

        mWidth = description.Width;
        mHeight = description.Height;

        HRESULT result = device->CreateRenderTarget(mWidth, mHeight, description.Format, description.MultiSampleType, description.MultiSampleQuality, FALSE, &mRenderTarget, NULL);

        if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY)
        {
            error(EGL_BAD_ALLOC);

            return;
        }

        ASSERT(SUCCEEDED(result));
    }
}

Surface::~Surface()
{
    if (mSwapChain)
    {
        mSwapChain->Release();
    }

    if (mBackBuffer)
    {
        mBackBuffer->Release();
    }

    if (mRenderTarget)
    {
        mRenderTarget->Release();
    }

    if (mDepthStencil)
    {
        mDepthStencil->Release();
    }
}

HWND Surface::getWindowHandle()
{
    if (mSwapChain)
    {
        D3DPRESENT_PARAMETERS presentParameters;
        mSwapChain->GetPresentParameters(&presentParameters);

        return presentParameters.hDeviceWindow;
    }

    return NULL;
}

void Surface::swap()
{
    if (mSwapChain)
    {
        IDirect3DDevice9 *device;
        mSwapChain->GetDevice(&device);

        D3DSURFACE_DESC description;
        mBackBuffer->GetDesc(&description);

        // Copy the render target into a texture
        IDirect3DTexture9 *texture;
        HRESULT result = device->CreateTexture(mWidth, mHeight, 1, D3DUSAGE_RENDERTARGET, description.Format, D3DPOOL_DEFAULT, &texture, NULL);

        if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY)
        {
            return error(EGL_BAD_ALLOC);
        }

        ASSERT(SUCCEEDED(result));

        IDirect3DSurface9 *textureSurface;
        texture->GetSurfaceLevel(0, &textureSurface);

        device->StretchRect(mRenderTarget, NULL, textureSurface, NULL, D3DTEXF_POINT);

        // 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->SetPixelShader(NULL);
        device->SetVertexShader(NULL);

        // Just sample the texture
        device->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
        device->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
        device->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_DISABLE);
        device->SetTexture(0, texture);
        device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
        device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
        device->SetSamplerState(0, D3DSAMP_SRGBTEXTURE, FALSE);
        device->SetFVF(D3DFVF_XYZRHW | D3DFVF_TEX1);
        device->SetRenderTarget(0, mBackBuffer);

        // Render the texture upside down into the back buffer
        float quad[4][6] = {{     0 - 0.5f,       0 - 0.5f, 0.0f, 1.0f, 0.0f, 1.0f},
                            {mWidth - 0.5f,       0 - 0.5f, 0.0f, 1.0f, 1.0f, 1.0f},
                            {mWidth - 0.5f, mHeight - 0.5f, 0.0f, 1.0f, 1.0f, 0.0f},
                            {     0 - 0.5f, mHeight - 0.5f, 0.0f, 1.0f, 0.0f, 0.0f}};   // x, y, z, rhw, u, v

        device->BeginScene();
        device->DrawPrimitiveUP(D3DPT_TRIANGLEFAN, 2, quad, 6 * sizeof(float));
        device->EndScene();

        result = mSwapChain->Present(NULL, NULL, NULL, NULL, D3DPRESENT_INTERVAL_DEFAULT);   // FIXME: Get the swap interval from the associated Display

        if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_DRIVERINTERNALERROR)
        {
            return error(EGL_BAD_ALLOC);
        }

        textureSurface->Release();
        texture->Release();
        device->Release();
    }
}

EGLint Surface::getWidth() const
{
    return mWidth;
}

EGLint Surface::getHeight() const
{
    return mHeight;
}

IDirect3DSurface9 *Surface::getRenderTarget()
{
    if (mRenderTarget)
    {
        mRenderTarget->AddRef();
    }

    return mRenderTarget;
}

IDirect3DSurface9 *Surface::getDepthStencil()
{
    if (mDepthStencil)
    {
        mDepthStencil->AddRef();
    }

    return mDepthStencil;
}
}
<commit_msg>ANGLE | Don't perform any filtering when swapping<commit_after>//
// Copyright (c) 2002-2010 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.
//

// Surface.cpp: Implements the egl::Surface class, representing a drawing surface
// such as the client area of a window, including any back buffers.
// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.

#include "Surface.h"

#include "main.h"
#include "debug.h"

namespace egl
{
Surface::Surface(IDirect3DDevice9 *device, IDirect3DSwapChain9 *swapChain, IDirect3DSurface9 *depthStencil, EGLint configID) 
    : mSwapChain(swapChain), mConfigID(configID), mDepthStencil(depthStencil)
{
    mBackBuffer = NULL;
    mRenderTarget = NULL;

    mPixelAspectRatio = (EGLint)(1.0 * EGL_DISPLAY_SCALING);   // FIXME: Determine actual pixel aspect ratio
    mRenderBuffer = EGL_BACK_BUFFER;
    mSwapBehavior = EGL_BUFFER_PRESERVED;

    if (mSwapChain)
    {
        mSwapChain->AddRef();
        mSwapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &mBackBuffer);

        D3DSURFACE_DESC description;
        mBackBuffer->GetDesc(&description);

        mWidth = description.Width;
        mHeight = description.Height;

        HRESULT result = device->CreateRenderTarget(mWidth, mHeight, description.Format, description.MultiSampleType, description.MultiSampleQuality, FALSE, &mRenderTarget, NULL);

        if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY)
        {
            error(EGL_BAD_ALLOC);

            return;
        }

        ASSERT(SUCCEEDED(result));
    }
}

Surface::~Surface()
{
    if (mSwapChain)
    {
        mSwapChain->Release();
    }

    if (mBackBuffer)
    {
        mBackBuffer->Release();
    }

    if (mRenderTarget)
    {
        mRenderTarget->Release();
    }

    if (mDepthStencil)
    {
        mDepthStencil->Release();
    }
}

HWND Surface::getWindowHandle()
{
    if (mSwapChain)
    {
        D3DPRESENT_PARAMETERS presentParameters;
        mSwapChain->GetPresentParameters(&presentParameters);

        return presentParameters.hDeviceWindow;
    }

    return NULL;
}

void Surface::swap()
{
    if (mSwapChain)
    {
        IDirect3DDevice9 *device;
        mSwapChain->GetDevice(&device);

        D3DSURFACE_DESC description;
        mBackBuffer->GetDesc(&description);

        // Copy the render target into a texture
        IDirect3DTexture9 *texture;
        HRESULT result = device->CreateTexture(mWidth, mHeight, 1, D3DUSAGE_RENDERTARGET, description.Format, D3DPOOL_DEFAULT, &texture, NULL);

        if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY)
        {
            return error(EGL_BAD_ALLOC);
        }

        ASSERT(SUCCEEDED(result));

        IDirect3DSurface9 *textureSurface;
        texture->GetSurfaceLevel(0, &textureSurface);

        device->StretchRect(mRenderTarget, NULL, textureSurface, NULL, D3DTEXF_NONE);

        // 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->SetPixelShader(NULL);
        device->SetVertexShader(NULL);

        // Just sample the texture
        device->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
        device->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
        device->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_DISABLE);
        device->SetTexture(0, texture);
        device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
        device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
        device->SetSamplerState(0, D3DSAMP_SRGBTEXTURE, FALSE);
        device->SetFVF(D3DFVF_XYZRHW | D3DFVF_TEX1);
        device->SetRenderTarget(0, mBackBuffer);

        // Render the texture upside down into the back buffer
        float quad[4][6] = {{     0 - 0.5f,       0 - 0.5f, 0.0f, 1.0f, 0.0f, 1.0f},
                            {mWidth - 0.5f,       0 - 0.5f, 0.0f, 1.0f, 1.0f, 1.0f},
                            {mWidth - 0.5f, mHeight - 0.5f, 0.0f, 1.0f, 1.0f, 0.0f},
                            {     0 - 0.5f, mHeight - 0.5f, 0.0f, 1.0f, 0.0f, 0.0f}};   // x, y, z, rhw, u, v

        device->BeginScene();
        device->DrawPrimitiveUP(D3DPT_TRIANGLEFAN, 2, quad, 6 * sizeof(float));
        device->EndScene();

        result = mSwapChain->Present(NULL, NULL, NULL, NULL, D3DPRESENT_INTERVAL_DEFAULT);   // FIXME: Get the swap interval from the associated Display

        if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY || result == D3DERR_DRIVERINTERNALERROR)
        {
            return error(EGL_BAD_ALLOC);
        }

        textureSurface->Release();
        texture->Release();
        device->Release();
    }
}

EGLint Surface::getWidth() const
{
    return mWidth;
}

EGLint Surface::getHeight() const
{
    return mHeight;
}

IDirect3DSurface9 *Surface::getRenderTarget()
{
    if (mRenderTarget)
    {
        mRenderTarget->AddRef();
    }

    return mRenderTarget;
}

IDirect3DSurface9 *Surface::getDepthStencil()
{
    if (mDepthStencil)
    {
        mDepthStencil->AddRef();
    }

    return mDepthStencil;
}
}

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