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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "confighelper.h"
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#include "directgdiadapter.h"
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#include <pixelformats.h>
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#include <EGL/egltypes.h>
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#include <fbs.h>
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/**
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Symbian Config Attributes for EGL pixmaps / pbuffers / windows.
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*/
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const EGLint TConfigHelper::KSurfaceAttribs[][19] =
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{
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{
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// EColor64K == EUidPixelFormatRGB_565
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// 16 bpp: 5 bits red, 6 bits green, 5 bits blue
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//
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EGL_BUFFER_SIZE, 16,
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EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER,
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EGL_RED_SIZE, 5,
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EGL_GREEN_SIZE, 6,
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EGL_BLUE_SIZE, 5,
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EGL_ALPHA_SIZE, 0,
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EGL_LUMINANCE_SIZE, 0,
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EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
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EGL_SURFACE_TYPE, EGL_PIXMAP_BIT,
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EGL_NONE
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},
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{
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//EColor16MAP == EUidPixelFormatARGB_8888_PRE
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// 32 bpp: 8 bits premultiplied alpha, 8 bits red, 8 bits green, 8 bits blue
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//
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EGL_BUFFER_SIZE, 32,
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EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER,
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EGL_RED_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_BLUE_SIZE, 8,
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EGL_ALPHA_SIZE, 8,
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EGL_LUMINANCE_SIZE, 0,
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EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
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EGL_SURFACE_TYPE, EGL_PIXMAP_BIT | EGL_VG_ALPHA_FORMAT_PRE_BIT,
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EGL_NONE
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},
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{
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// EColor16MU == EUidPixelFormatXRGB_8888
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// 32 bpp: 8 bits alpha (ignored), 8 bits red, 8 bits green, 8 bits blue
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//
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EGL_BUFFER_SIZE, 24,
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EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER,
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EGL_RED_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_BLUE_SIZE, 8,
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EGL_ALPHA_SIZE, 0,
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EGL_LUMINANCE_SIZE, 0,
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EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
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EGL_SURFACE_TYPE, EGL_PIXMAP_BIT,
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EGL_NONE
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},
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{
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//EColor16MA == EUidPixelFormatARGB_8888
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// 32 bpp: 8 bits alpha, 8 bits red, 8 bits green, 8 bits blue
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//
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EGL_BUFFER_SIZE, 32,
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EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER,
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EGL_RED_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_BLUE_SIZE, 8,
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EGL_ALPHA_SIZE, 8,
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EGL_LUMINANCE_SIZE, 0,
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EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
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EGL_SURFACE_TYPE, EGL_PIXMAP_BIT,
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EGL_NONE
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},
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{
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// EGray256 == EUidPixelFormatL_8
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// 8 bpp: 8 bits luminance
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//
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EGL_BUFFER_SIZE, 8,
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EGL_COLOR_BUFFER_TYPE, EGL_LUMINANCE_BUFFER,
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EGL_RED_SIZE, 0,
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EGL_GREEN_SIZE, 0,
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EGL_BLUE_SIZE, 0,
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EGL_ALPHA_SIZE, 0,
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EGL_LUMINANCE_SIZE, 8,
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EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
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EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
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EGL_NONE
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},
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{
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// EGray2 == EUidPixelFormatL_1
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// 1 bpp: 1 bit luminance
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//
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EGL_BUFFER_SIZE, 1,
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EGL_COLOR_BUFFER_TYPE, EGL_LUMINANCE_BUFFER,
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EGL_RED_SIZE, 0,
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EGL_GREEN_SIZE, 0,
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EGL_BLUE_SIZE, 0,
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EGL_ALPHA_SIZE, 0,
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EGL_LUMINANCE_SIZE, 1,
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EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
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EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
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EGL_NONE
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}
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};
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/**
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Finds the exact matching configuration from the available configurations, based on the attribute values.
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@pre aConfigs should not be NULL and EGL has been initialised.
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@return The index of the matching config if successful, otherwise -1.
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*/
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TInt TConfigHelper::GetSuitablePixmapConfigIndex(EGLDisplay aDisplay, EGLConfig *aConfigs, TInt aNumConfigs, TInt aColorAttrib)
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{
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EGLint value;
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#ifdef _DEBUG_DIRECTGDI
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TBuf16<256> message;
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message.Format(_L("ColorAtrib : %d"), aColorAttrib);
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GRAPHICS_LOGD_DEBUG(message);
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const TPtrC KEglAttribs[] =
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{
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_L("EGL_BUFFER_SIZE"),
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_L("EGL_COLOR_BUFFER_TYPE"),
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_L("EGL_RED_SIZE"),
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_L("EGL_GREEN_SIZE"),
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_L("EGL_BLUE_SIZE"),
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_L("EGL_ALPHA_SIZE"),
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_L("EGL_LUMINANCE_SIZE"),
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_L("EGL_RENDERABLE_TYPE"),
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_L("EGL_SURFACE_TYPE"),
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};
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#endif
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TBool found = EFalse;
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for (TInt i=0; i<aNumConfigs && !found && aConfigs; i++)
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{
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found = ETrue;
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#ifdef _DEBUG_DIRECTGDI
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message.Format(_L("Trying to match with config number: %d"), i);
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GRAPHICS_LOGD_DEBUG(message);
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#endif
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for(TInt j=EEglBufferSize; j<ELast && found; ++++j)
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{
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eglGetConfigAttrib(aDisplay, aConfigs[i], KSurfaceAttribs[aColorAttrib][j], &value);
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found = EglAttributeMatches(KSurfaceAttribs[aColorAttrib][j], KSurfaceAttribs[aColorAttrib][j+1], value);
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#ifdef _DEBUG_DIRECTGDI
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message.Format(_L("%S: Trying to match: %d From EGL: %d\n"), &KEglAttribs[j>>1], KSurfaceAttribs[aColorAttrib][j+1], value);
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GRAPHICS_LOGD_DEBUG(message);
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#endif
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}
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if (found)
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{
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#ifdef _DEBUG_DIRECTGDI
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message.Format(_L("Found a suitable EGL Config: %d\n"), i);
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GRAPHICS_LOGD_DEBUG(message);
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#endif
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return i;
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}
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}
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return -1;
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}
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/**
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Helper function for GetSuitablePixmapConfigIndex(). Returns, for the given attribute, whether or not the
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expected value matches the value received from egl. The kind of match is dependant on the attribute being tested.
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@param aAttribute The EGL attribute ID.
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@param aExpected The value we require the attribute to have for the current config we are testing.
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@param aActual The value read from the current EGL config for this attribute.
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@return ETrue, if aActual is deemed to match aExpected, otherwise EFalse.
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*/
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TBool TConfigHelper::EglAttributeMatches(EGLint aAttribute, TInt aExpected, TInt aActual)
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{
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switch(aAttribute)
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{
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case EGL_RENDERABLE_TYPE:
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case EGL_SURFACE_TYPE:
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// These are bitwise masks, so we don't need an exact match, just the bits to be set.
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return ((aExpected & aActual) == aExpected);
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default:
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return (aExpected == aActual);
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}
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}
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/**
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Converts the pixel type into an enum of supported pixel types. If a pixel type is not supported, it
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is scaled to the nearest one.
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Six destination pixel types are supported.
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@panic DGDIAdapter 1009, if the pixel type is not supported.
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@return Equivalent pixel type, as an index into KPixmapAttribs[].
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*/
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TInt TConfigHelper::MatchPixelType(TInt aPixelType)
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{
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TInt selPixmapAttribs = 0;
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switch(aPixelType)
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{
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case EUidPixelFormatP_4:
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case EUidPixelFormatP_8:
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case EUidPixelFormatXRGB_4444:
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case EUidPixelFormatRGB_565:
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selPixmapAttribs = EPixmapAttribsColor64K;
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break;
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case EUidPixelFormatARGB_8888_PRE:
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selPixmapAttribs = EPixmapAttribsColor16MAP;
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break;
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case EUidPixelFormatRGB_888:
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case EUidPixelFormatXRGB_8888:
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selPixmapAttribs = EPixmapAttribsColor16MU;
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break;
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case EUidPixelFormatARGB_8888:
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selPixmapAttribs = EPixmapAttribsColor16MA;
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break;
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case EUidPixelFormatL_1:
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selPixmapAttribs = EPixmapAttribsLuminance1L;
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break;
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case EUidPixelFormatL_2:
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case EUidPixelFormatL_4:
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case EUidPixelFormatL_8:
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selPixmapAttribs = EPixmapAttribsLuminance8L;
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break;
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default:
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GRAPHICS_PANIC_ALWAYS(EDirectGdiPanicInvalidDisplayMode);
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}
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return selPixmapAttribs;
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}
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/**
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Given a TUidPixelFormat, returns an EGLConfig matching it.
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If no exact match can be found, then returns the first available config.
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@param aAttributeArrayIndex Index into config attribute array.
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@param aResult The resulting EGL config.
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@pre EGL has been initialised.
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@return KErrNone if a suitable config was found, otherwise one of the system-wide error codes.
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*/
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TInt TConfigHelper::GetConfig (TInt aAttributeArrayIndex, EGLConfig& aResult)
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{
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// Choose config
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EGLint numConfigs = 0;
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EGLDisplay display = eglGetCurrentDisplay();
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if (!eglGetConfigs(display, NULL, 0, &numConfigs))
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return KErrGeneral;
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if (numConfigs == 0)
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return KErrNotFound;
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EGLConfig* configs = new EGLConfig[numConfigs];
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if (configs == NULL)
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return KErrNoMemory;
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TInt match = -1;
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if (eglChooseConfig(display, KSurfaceAttribs[aAttributeArrayIndex], configs, numConfigs, &numConfigs))
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{
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match = GetSuitablePixmapConfigIndex(display, configs, numConfigs, aAttributeArrayIndex);
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//If no exact match can be found, then take the first config.
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if(match == -1)
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match = 0;
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aResult = configs[match];
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}
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delete [] configs;
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return (match == -1) ? KErrNotFound : KErrNone;
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}
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|
sl@0
|
283 |
|
|
sl@0
|
284 |
/**
|
|
sl@0
|
285 |
Given a CFbsBitmap, return an EGLConfig that matches its display mode.
|
|
sl@0
|
286 |
|
|
sl@0
|
287 |
@param aBitmap Bitmap to get config for.
|
|
sl@0
|
288 |
@param aResult The resulting EGL config, if found.
|
|
sl@0
|
289 |
|
|
sl@0
|
290 |
@pre aBitmap has already been validated by ValidateBitmap().
|
|
sl@0
|
291 |
|
|
sl@0
|
292 |
@return KErrNone if successful, otherwise one of the system-wide error codes.
|
|
sl@0
|
293 |
*/
|
|
sl@0
|
294 |
TInt TConfigHelper::GetConfigForFbsBitmap (const CFbsBitmap& aBitmap, EGLConfig& aResult)
|
|
sl@0
|
295 |
{
|
|
sl@0
|
296 |
TInt pixelType = -1;
|
|
sl@0
|
297 |
switch (aBitmap.DisplayMode())
|
|
sl@0
|
298 |
{
|
|
sl@0
|
299 |
case EGray2:
|
|
sl@0
|
300 |
pixelType = EUidPixelFormatL_1;
|
|
sl@0
|
301 |
break;
|
|
sl@0
|
302 |
case EGray4:
|
|
sl@0
|
303 |
pixelType = EUidPixelFormatL_2;
|
|
sl@0
|
304 |
break;
|
|
sl@0
|
305 |
case EGray16:
|
|
sl@0
|
306 |
pixelType = EUidPixelFormatL_4;
|
|
sl@0
|
307 |
break;
|
|
sl@0
|
308 |
case EGray256:
|
|
sl@0
|
309 |
pixelType = EUidPixelFormatL_8;
|
|
sl@0
|
310 |
break;
|
|
sl@0
|
311 |
case EColor16:
|
|
sl@0
|
312 |
pixelType = EUidPixelFormatP_4;
|
|
sl@0
|
313 |
break;
|
|
sl@0
|
314 |
case EColor256:
|
|
sl@0
|
315 |
pixelType = EUidPixelFormatP_8;
|
|
sl@0
|
316 |
break;
|
|
sl@0
|
317 |
case EColor4K:
|
|
sl@0
|
318 |
pixelType = EUidPixelFormatXRGB_4444;
|
|
sl@0
|
319 |
break;
|
|
sl@0
|
320 |
case EColor64K:
|
|
sl@0
|
321 |
pixelType = EUidPixelFormatRGB_565;
|
|
sl@0
|
322 |
break;
|
|
sl@0
|
323 |
case EColor16M:
|
|
sl@0
|
324 |
pixelType = EUidPixelFormatRGB_888;
|
|
sl@0
|
325 |
break;
|
|
sl@0
|
326 |
case EColor16MU:
|
|
sl@0
|
327 |
pixelType = EUidPixelFormatXRGB_8888;
|
|
sl@0
|
328 |
break;
|
|
sl@0
|
329 |
case EColor16MA:
|
|
sl@0
|
330 |
pixelType = EUidPixelFormatARGB_8888;
|
|
sl@0
|
331 |
break;
|
|
sl@0
|
332 |
case EColor16MAP:
|
|
sl@0
|
333 |
pixelType = EUidPixelFormatARGB_8888_PRE;
|
|
sl@0
|
334 |
break;
|
|
sl@0
|
335 |
default:
|
|
sl@0
|
336 |
return KErrNotSupported;
|
|
sl@0
|
337 |
}
|
|
sl@0
|
338 |
return GetConfig(MatchPixelType(pixelType), aResult);
|
|
sl@0
|
339 |
}
|
|
sl@0
|
340 |
|
|
sl@0
|
341 |
|
|
sl@0
|
342 |
//Currently not called anywhere. However, it may be useful for performance improvement
|
|
sl@0
|
343 |
//in the future. Will defer removing/reinstating until then.
|
|
sl@0
|
344 |
#ifdef _DEBUG
|
|
sl@0
|
345 |
/**
|
|
sl@0
|
346 |
Debug method to iterate over supported configurations and print significant attributes.
|
|
sl@0
|
347 |
Currently only EGL_OPENVG renderable types are displayed.
|
|
sl@0
|
348 |
|
|
sl@0
|
349 |
@pre EGL is initialised.
|
|
sl@0
|
350 |
@leave PushL().
|
|
sl@0
|
351 |
*/
|
|
sl@0
|
352 |
void TConfigHelper::SupportedSurfacePixelFormatsL()
|
|
sl@0
|
353 |
{
|
|
sl@0
|
354 |
EGLDisplay currentDisplay = eglGetCurrentDisplay();
|
|
sl@0
|
355 |
EGLint numConfigs;
|
|
sl@0
|
356 |
EGLConfig* configs;
|
|
sl@0
|
357 |
TInt bufferSize, depthSize, stencilSize, luminance, renderableType, surfaceType, A, R, G, B;
|
|
sl@0
|
358 |
|
|
sl@0
|
359 |
_LIT(KAttribFormat, "%3d: BDS-ARGBL: %2d, %2d, %2d - %d, %d, %d, %d, %d");
|
|
sl@0
|
360 |
_LIT(KEGL_OPENVG_BIT, ", EGL_OPENVG_BIT");
|
|
sl@0
|
361 |
_LIT(KEGL_PBUFFER_BIT, ", EGL_PBUFFER_BIT");
|
|
sl@0
|
362 |
_LIT(KEGL_PIXMAP_BIT, ", EGL_PIXMAP_BIT");
|
|
sl@0
|
363 |
_LIT(KEGL_VG_ALPHA_FORMAT_PRE_BIT, ", EGL_VG_ALPHA_FORMAT_PRE_BIT");
|
|
sl@0
|
364 |
|
|
sl@0
|
365 |
if (eglGetConfigs(currentDisplay, NULL, 0x00, &numConfigs) == EGL_TRUE)
|
|
sl@0
|
366 |
{
|
|
sl@0
|
367 |
configs = (EGLConfig*)User::Alloc (numConfigs * sizeof(EGLConfig));
|
|
sl@0
|
368 |
if (configs)
|
|
sl@0
|
369 |
{
|
|
sl@0
|
370 |
CleanupStack::PushL(configs);
|
|
sl@0
|
371 |
if (eglGetConfigs(currentDisplay, configs, numConfigs, &numConfigs) == EGL_TRUE)
|
|
sl@0
|
372 |
{
|
|
sl@0
|
373 |
for (TUint i = 0; i < numConfigs; i++)
|
|
sl@0
|
374 |
{
|
|
sl@0
|
375 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_BUFFER_SIZE, (EGLint*)&bufferSize);
|
|
sl@0
|
376 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_DEPTH_SIZE, (EGLint*)&depthSize);
|
|
sl@0
|
377 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_STENCIL_SIZE, (EGLint*)&stencilSize);
|
|
sl@0
|
378 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_ALPHA_SIZE, (EGLint*)&A);
|
|
sl@0
|
379 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_RED_SIZE, (EGLint*)&R);
|
|
sl@0
|
380 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_GREEN_SIZE, (EGLint*)&G);
|
|
sl@0
|
381 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_BLUE_SIZE, (EGLint*)&B);
|
|
sl@0
|
382 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_LUMINANCE_SIZE, (EGLint*)&luminance);
|
|
sl@0
|
383 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_RENDERABLE_TYPE, (EGLint*)&renderableType);
|
|
sl@0
|
384 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_RENDERABLE_TYPE, (EGLint*)&renderableType);
|
|
sl@0
|
385 |
eglGetConfigAttrib(currentDisplay, configs[i], EGL_SURFACE_TYPE, (EGLint*)&surfaceType);
|
|
sl@0
|
386 |
|
|
sl@0
|
387 |
if (renderableType & EGL_OPENVG_BIT)
|
|
sl@0
|
388 |
{
|
|
sl@0
|
389 |
TBuf<256> buf;
|
|
sl@0
|
390 |
buf.Format(KAttribFormat, i, bufferSize, depthSize, stencilSize, A, R, G, B, luminance);
|
|
sl@0
|
391 |
buf.Append(KEGL_OPENVG_BIT);
|
|
sl@0
|
392 |
|
|
sl@0
|
393 |
if (surfaceType & EGL_PBUFFER_BIT) buf.Append(KEGL_PBUFFER_BIT);
|
|
sl@0
|
394 |
if (surfaceType & EGL_PIXMAP_BIT) buf.Append(KEGL_PIXMAP_BIT);
|
|
sl@0
|
395 |
if (surfaceType & EGL_VG_ALPHA_FORMAT_PRE_BIT) buf.Append(KEGL_VG_ALPHA_FORMAT_PRE_BIT);
|
|
sl@0
|
396 |
RDebug::Print(buf);
|
|
sl@0
|
397 |
}
|
|
sl@0
|
398 |
}
|
|
sl@0
|
399 |
}
|
|
sl@0
|
400 |
|
|
sl@0
|
401 |
CleanupStack::PopAndDestroy(1, configs);
|
|
sl@0
|
402 |
}
|
|
sl@0
|
403 |
}
|
|
sl@0
|
404 |
}
|
|
sl@0
|
405 |
#endif
|
|
sl@0
|
406 |
|