diff options
Diffstat (limited to 'src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwswsegl.c')
| -rw-r--r-- | src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwswsegl.c | 402 |
1 files changed, 402 insertions, 0 deletions
diff --git a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwswsegl.c b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwswsegl.c new file mode 100644 index 0000000000..f861838e90 --- /dev/null +++ b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwswsegl.c @@ -0,0 +1,402 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <GLES/eglplatform.h> +#include <wsegl.h> +#include <pvr2d.h> +#include <string.h> +#include <sys/mman.h> +#include "pvrqwsdrawable_p.h" + +#define WSEGL_UNUSED(x) (void)x; + +// If the PVR2D version is not specified, then assume MBX-style headers. +// If the version is defined, then we assume that we have SGX-style headers. +#if !defined(PVR2D_REV_MAJOR) +#define WSEGL_CAP_WINDOWS_USE_HW_SYNC WSEGL_CAP_WINDOWS_USE_MBX_SYNC +#define WSEGL_CAP_PIXMAPS_USE_HW_SYNC WSEGL_CAP_PIXMAPS_USE_MBX_SYNC +#endif + +/* Capability information for the display */ +static WSEGLCaps const wseglDisplayCaps[] = { + {WSEGL_CAP_WINDOWS_USE_HW_SYNC, 1}, + {WSEGL_CAP_PIXMAPS_USE_HW_SYNC, 1}, + {WSEGL_NO_CAPS, 0} +}; + +/* Configuration information for the display */ +static WSEGLConfig wseglDisplayConfigs[] = { + {WSEGL_DRAWABLE_WINDOW, WSEGL_PIXELFORMAT_565, WSEGL_FALSE, + 0, 0, 0, WSEGL_OPAQUE, 0}, + {WSEGL_DRAWABLE_PIXMAP, WSEGL_PIXELFORMAT_565, WSEGL_FALSE, + 0, 0, 0, WSEGL_OPAQUE, 0}, + {WSEGL_NO_DRAWABLE, 0, 0, 0, 0, 0, 0, 0} +}; + +/* Determine if nativeDisplay is a valid display handle */ +static WSEGLError wseglIsDisplayValid(NativeDisplayType nativeDisplay) +{ + /* We only have the default display in this system */ + if (nativeDisplay == WSEGL_DEFAULT_DISPLAY) + return WSEGL_SUCCESS; + else + return WSEGL_BAD_NATIVE_DISPLAY; +} + +/* Initialize a native display for use with WSEGL */ +static WSEGLError wseglInitializeDisplay + (NativeDisplayType nativeDisplay, WSEGLDisplayHandle *display, + const WSEGLCaps **caps, WSEGLConfig **configs) +{ + WSEGLPixelFormat pixelFormat; + + /* Bail out if the native display is incorrect */ + if (nativeDisplay != WSEGL_DEFAULT_DISPLAY) + return WSEGL_CANNOT_INITIALISE; + + /* Open the PVR/QWS display, which will initialize the framebuffer */ + if (!pvrQwsDisplayOpen()) + return WSEGL_CANNOT_INITIALISE; + + /* Convert the PVR2D pixel format into a WSEGL pixel format */ + switch (pvrQwsDisplay.screens[0].pixelFormat) { + case PVR2D_RGB565: + pixelFormat = WSEGL_PIXELFORMAT_565; + break; + + case PVR2D_ARGB4444: + pixelFormat = WSEGL_PIXELFORMAT_4444; + break; + + case PVR2D_ARGB8888: + pixelFormat = WSEGL_PIXELFORMAT_8888; + break; + + default: + pvrQwsDisplayClose(); + return WSEGL_CANNOT_INITIALISE; + } + wseglDisplayConfigs[0].ePixelFormat = pixelFormat; + wseglDisplayConfigs[1].ePixelFormat = pixelFormat; + + /* The display has been initialized */ + *display = (WSEGLDisplayHandle)&pvrQwsDisplay; + *caps = wseglDisplayCaps; + *configs = wseglDisplayConfigs; + return WSEGL_SUCCESS; +} + +/* Close the WSEGL display */ +static WSEGLError wseglCloseDisplay(WSEGLDisplayHandle display) +{ + if (display == (WSEGLDisplayHandle)&pvrQwsDisplay) + pvrQwsDisplayClose(); + return WSEGL_SUCCESS; +} + +static WSEGLRotationAngle wseglRotationValue(int degrees) +{ + switch (degrees) { + case 90: return WSEGL_ROTATE_90; + case 180: return WSEGL_ROTATE_180; + case 270: return WSEGL_ROTATE_270; + default: return WSEGL_ROTATE_0; + } +} + +/* Create the WSEGL drawable version of a native window */ +static WSEGLError wseglCreateWindowDrawable + (WSEGLDisplayHandle display, WSEGLConfig *config, + WSEGLDrawableHandle *drawable, NativeWindowType nativeWindow, + WSEGLRotationAngle *rotationAngle) +{ + PvrQwsDrawable *draw; + + WSEGL_UNUSED(display); + WSEGL_UNUSED(config); + + /* Check for special handles that indicate framebuffer screens */ + if (nativeWindow >= (NativeWindowType)0 && + nativeWindow < (NativeWindowType)PVRQWS_MAX_SCREENS) { + PvrQwsDrawable *screen = pvrQwsScreenWindow((int)nativeWindow); + if (!screen) + return WSEGL_OUT_OF_MEMORY; + *drawable = (WSEGLDrawableHandle)screen; + if (!pvrQwsAllocBuffers(screen)) + return WSEGL_OUT_OF_MEMORY; + *rotationAngle = wseglRotationValue(screen->rotationAngle); + return WSEGL_SUCCESS; + } + + /* The native window is the winId - fetch the underlying drawable */ + draw = pvrQwsFetchWindow((long)nativeWindow); + if (!draw) + return WSEGL_BAD_DRAWABLE; + + /* The drawable is ready to go */ + *drawable = (WSEGLDrawableHandle)draw; + *rotationAngle = wseglRotationValue(draw->rotationAngle); + if (!pvrQwsAllocBuffers(draw)) + return WSEGL_OUT_OF_MEMORY; + return WSEGL_SUCCESS; +} + +/* Create the WSEGL drawable version of a native pixmap */ +static WSEGLError wseglCreatePixmapDrawable + (WSEGLDisplayHandle display, WSEGLConfig *config, + WSEGLDrawableHandle *drawable, NativePixmapType nativePixmap, + WSEGLRotationAngle *rotationAngle) +{ + WSEGL_UNUSED(display); + WSEGL_UNUSED(config); + if (!nativePixmap) + return WSEGL_BAD_NATIVE_PIXMAP; + if (!pvrQwsAllocBuffers((PvrQwsDrawable *)nativePixmap)) + return WSEGL_OUT_OF_MEMORY; + *drawable = (WSEGLDrawableHandle)nativePixmap; + *rotationAngle = WSEGL_ROTATE_0; + return WSEGL_SUCCESS; +} + +/* Delete a specific drawable */ +static WSEGLError wseglDeleteDrawable(WSEGLDrawableHandle _drawable) +{ + PvrQwsDrawable *drawable = (PvrQwsDrawable *)_drawable; + if (!drawable || drawable->type == PvrQwsScreen) + return WSEGL_SUCCESS; + if (pvrQwsDisplay.numFlipBuffers == 0) + pvrQwsFreeBuffers(drawable); + if (pvrQwsReleaseWindow(drawable)) + pvrQwsDestroyDrawable(drawable); + return WSEGL_SUCCESS; +} + +/* Swap the contents of a drawable to the screen */ +static WSEGLError wseglSwapDrawable + (WSEGLDrawableHandle _drawable, unsigned long data) +{ + WSEGL_UNUSED(data); + PvrQwsDrawable *drawable = (PvrQwsDrawable *)_drawable; + if (drawable->type != PvrQwsPixmap && !pvrQwsSwapBuffers(drawable, 0)) + return WSEGL_BAD_DRAWABLE; + else + return WSEGL_SUCCESS; +} + +/* Set the swap interval of a window drawable */ +static WSEGLError wseglSwapControlInterval + (WSEGLDrawableHandle drawable, unsigned long interval) +{ + WSEGL_UNUSED(drawable); + if (pvrQwsDisplay.flipChain) { + PVR2DSetPresentFlipProperties + (pvrQwsDisplay.context, pvrQwsDisplay.flipChain, + PVR2D_PRESENT_PROPERTY_INTERVAL, 0, 0, 0, NULL, interval); + } + return WSEGL_SUCCESS; +} + +/* Flush native rendering requests on a drawable */ +static WSEGLError wseglWaitNative + (WSEGLDrawableHandle drawable, unsigned long engine) +{ + WSEGL_UNUSED(drawable); + if (engine == WSEGL_DEFAULT_NATIVE_ENGINE) + return WSEGL_SUCCESS; + else + return WSEGL_BAD_NATIVE_ENGINE; +} + +/* Copy color data from a drawable to a native pixmap */ +static WSEGLError wseglCopyFromDrawable + (WSEGLDrawableHandle _drawable, NativePixmapType nativePixmap) +{ + PvrQwsDrawable *drawable = (PvrQwsDrawable *)_drawable; + PvrQwsDrawable *pixmap = (PvrQwsDrawable *)nativePixmap; + PVR2DBLTINFO blit; + + if (!drawable || !drawable->backBuffersValid) + return WSEGL_BAD_NATIVE_WINDOW; + if (!pixmap || !pixmap->backBuffersValid) + return WSEGL_BAD_NATIVE_PIXMAP; + + memset(&blit, 0, sizeof(blit)); + + blit.CopyCode = PVR2DROPcopy; + blit.BlitFlags = PVR2D_BLIT_DISABLE_ALL; + + blit.pSrcMemInfo = drawable->backBuffers[drawable->currentBackBuffer]; + blit.SrcStride = drawable->strideBytes; + blit.SrcX = 0; + blit.SrcY = 0; + blit.SizeX = drawable->rect.width; + blit.SizeY = drawable->rect.height; + blit.SrcFormat = drawable->pixelFormat; + + blit.pDstMemInfo = pixmap->backBuffers[pixmap->currentBackBuffer]; + blit.DstStride = pixmap->strideBytes; + blit.DstX = 0; + blit.DstY = 0; + blit.DSizeX = pixmap->rect.width; + blit.DSizeY = pixmap->rect.height; + blit.DstFormat = pixmap->pixelFormat; + + PVR2DBlt(pvrQwsDisplay.context, &blit); + PVR2DQueryBlitsComplete + (pvrQwsDisplay.context, pixmap->backBuffers[pixmap->currentBackBuffer], 1); + + return WSEGL_SUCCESS; +} + +/* Copy color data from a PBuffer to a native pixmap */ +static WSEGLError wseglCopyFromPBuffer + (void *address, unsigned long width, unsigned long height, + unsigned long stride, WSEGLPixelFormat format, + NativePixmapType nativePixmap) +{ + PvrQwsDrawable *pixmap = (PvrQwsDrawable *)nativePixmap; + PVR2DFORMAT pixelFormat; + + if (!pixmap) + return WSEGL_BAD_NATIVE_PIXMAP; + + /* We can only copy under certain conditions */ + switch (format) { + case WSEGL_PIXELFORMAT_565: + pixelFormat = PVR2D_RGB565; break; + case WSEGL_PIXELFORMAT_4444: + pixelFormat = PVR2D_ARGB4444; break; + case WSEGL_PIXELFORMAT_8888: + pixelFormat = PVR2D_ARGB8888; break; + default: + return WSEGL_BAD_CONFIG; + } + if (width > (unsigned long)(pixmap->rect.width) || + height > (unsigned long)(pixmap->rect.height) || + pixelFormat != pixmap->pixelFormat) { + return WSEGL_BAD_CONFIG; + } + + /* We'd like to use PVR2DBlt to do this, but there is no easy way + to map the virtual "address" into physical space to be able + to use the hardware assist. Use memcpy to do the work instead. + Note: PBuffer's are upside down, so we copy from the bottom up */ + char *srcaddr = (char *)address; + char *dstaddr = (char *)(pixmap->backBuffers[pixmap->currentBackBuffer]->pBase); + int dststride = pixmap->strideBytes; + int srcwidth = ((int)width) * pvrQwsDisplay.screens[0].bytesPerPixel; + srcaddr += height * stride; + while (height > 0) { + srcaddr -= (int)stride; + memcpy(dstaddr, srcaddr, srcwidth); + dstaddr += dststride; + --height; + } + return WSEGL_SUCCESS; +} + +/* Return the parameters of a drawable that are needed by the EGL layer */ +static WSEGLError wseglGetDrawableParameters + (WSEGLDrawableHandle _drawable, WSEGLDrawableParams *sourceParams, + WSEGLDrawableParams *renderParams) +{ + PvrQwsDrawable *drawable = (PvrQwsDrawable *)_drawable; + PVR2DMEMINFO *source, *render; + WSEGLPixelFormat pixelFormat; + + if (!pvrQwsGetBuffers(drawable, &source, &render)) + return WSEGL_BAD_DRAWABLE; + + switch (drawable->pixelFormat) { + case PVR2D_RGB565: + default: + pixelFormat = WSEGL_PIXELFORMAT_565; + break; + + case PVR2D_ARGB4444: + pixelFormat = WSEGL_PIXELFORMAT_4444; + break; + + case PVR2D_ARGB8888: + pixelFormat = WSEGL_PIXELFORMAT_8888; + break; + } + + sourceParams->ui32Width = drawable->rect.width; + sourceParams->ui32Height = drawable->rect.height; + sourceParams->ui32Stride = drawable->stridePixels; + sourceParams->ePixelFormat = pixelFormat; + sourceParams->pvLinearAddress = source->pBase; + sourceParams->ui32HWAddress = source->ui32DevAddr; + sourceParams->hPrivateData = source->hPrivateData; + + renderParams->ui32Width = drawable->rect.width; + renderParams->ui32Height = drawable->rect.height; + renderParams->ui32Stride = drawable->stridePixels; + renderParams->ePixelFormat = pixelFormat; + renderParams->pvLinearAddress = render->pBase; + renderParams->ui32HWAddress = render->ui32DevAddr; + renderParams->hPrivateData = render->hPrivateData; + + return WSEGL_SUCCESS; +} + +static WSEGL_FunctionTable const wseglFunctions = { + WSEGL_VERSION, + wseglIsDisplayValid, + wseglInitializeDisplay, + wseglCloseDisplay, + wseglCreateWindowDrawable, + wseglCreatePixmapDrawable, + wseglDeleteDrawable, + wseglSwapDrawable, + wseglSwapControlInterval, + wseglWaitNative, + wseglCopyFromDrawable, + wseglCopyFromPBuffer, + wseglGetDrawableParameters +}; + +/* Return the table of WSEGL functions to the EGL implementation */ +const WSEGL_FunctionTable *WSEGL_GetFunctionTablePointer(void) +{ + return &wseglFunctions; +} |