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|
/*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Author: Alan Hourihane <alanh@tungstengraphics.com>
* Author: Jakob Bornecrantz <wallbraker@gmail.com>
*
*/
/* FIXME ! */
#define DRI_DRIVER_PATH "/ISO/X.Org/modular/i386/lib/dri"
#include "xf86.h"
//#include "xf86_OSproc.h"
#include "xorg_tracker.h"
//#include "pipe/p_winsys.h"
#include "pipe/p_format.h"
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "pipe/p_inlines.h"
struct exa_entity
{
ExaDriverPtr pExa;
struct pipe_context *ctx;
struct pipe_screen *scrn;
};
struct PixmapPriv
{
int flags;
struct pipe_texture *tex;
unsigned int color;
struct pipe_surface *src_surf; /* for copies */
struct pipe_transfer *map_transfer;
unsigned map_count;
};
/*
* Helper functions
*/
static void
exa_get_pipe_format(int depth, enum pipe_format *format, int *bbp)
{
switch (depth) {
case 32:
*format = PIPE_FORMAT_A8R8G8B8_UNORM;
assert(*bbp == 32);
break;
case 24:
*format = PIPE_FORMAT_X8R8G8B8_UNORM;
assert(*bbp == 32);
break;
case 16:
*format = PIPE_FORMAT_R5G6B5_UNORM;
assert(*bbp == 16);
break;
case 15:
*format = PIPE_FORMAT_A1R5G5B5_UNORM;
assert(*bbp == 16);
break;
case 8:
case 4:
case 1:
*format = PIPE_FORMAT_A8R8G8B8_UNORM; /* bad bad bad */
break;
default:
assert(0);
break;
}
}
/*
* Static exported EXA functions
*/
static void
ExaWaitMarker(ScreenPtr pScreen, int marker)
{
}
static int
ExaMarkSync(ScreenPtr pScreen)
{
return 1;
}
static Bool
ExaPrepareAccess(PixmapPtr pPix, int index)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
//PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
struct exa_entity *exa = ms->exa;
struct PixmapPriv *priv;
//int ret;
priv = exaGetPixmapDriverPrivate(pPix);
if (!priv)
return FALSE;
if (!priv->tex)
return FALSE;
if (priv->map_count++ == 0)
{
priv->map_transfer =
exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
PIPE_TRANSFER_READ_WRITE,
0, 0, priv->tex->width[0], priv->tex->height[0]);
pPix->devPrivate.ptr =
exa->scrn->transfer_map(exa->scrn, priv->map_transfer);
pPix->devKind = priv->map_transfer->stride;
}
return TRUE;
}
static void
ExaFinishAccess(PixmapPtr pPix, int index)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_entity *exa = ms->exa;
struct PixmapPriv *priv;
priv = exaGetPixmapDriverPrivate(pPix);
if (!priv)
return;
if (!priv->map_transfer)
return;
if (--priv->map_count == 0) {
assert(priv->map_transfer);
exa->scrn->transfer_unmap(exa->scrn, priv->map_transfer);
exa->scrn->tex_transfer_destroy(priv->map_transfer);
priv->map_transfer = NULL;
}
}
static void
ExaDone(PixmapPtr pPixmap)
{
ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pPixmap);
struct exa_entity *exa = ms->exa;
if (!priv)
return;
if (priv->src_surf)
exa->scrn->tex_surface_destroy(priv->src_surf);
priv->src_surf = NULL;
}
static void
ExaDoneComposite(PixmapPtr pPixmap)
{
}
static Bool
ExaPrepareSolid(PixmapPtr pPixmap, int alu, Pixel planeMask, Pixel fg)
{
ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pPixmap);
struct exa_entity *exa = ms->exa;
if (1)
return FALSE;
if (pPixmap->drawable.depth < 15)
return FALSE;
if (!EXA_PM_IS_SOLID(&pPixmap->drawable, planeMask))
return FALSE;
if (!priv || !priv->tex)
return FALSE;
if (alu != GXcopy)
return FALSE;
if (!exa->ctx || !exa->ctx->surface_fill)
return FALSE;
priv->color = fg;
return TRUE;
}
static void
ExaSolid(PixmapPtr pPixmap, int x0, int y0, int x1, int y1)
{
ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_entity *exa = ms->exa;
struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pPixmap);
struct pipe_surface *surf =
exa->scrn->get_tex_surface(exa->scrn, priv->tex, 0, 0, 0,
PIPE_BUFFER_USAGE_GPU_READ |
PIPE_BUFFER_USAGE_GPU_WRITE);
exa->ctx->surface_fill(exa->ctx, surf, x0, y0, x1 - x0, y1 - y0,
priv->color);
exa->scrn->tex_surface_destroy(surf);
}
static Bool
ExaPrepareCopy(PixmapPtr pSrcPixmap, PixmapPtr pDstPixmap, int xdir,
int ydir, int alu, Pixel planeMask)
{
ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_entity *exa = ms->exa;
struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
struct PixmapPriv *src_priv = exaGetPixmapDriverPrivate(pSrcPixmap);
if (1)
return FALSE;
if (alu != GXcopy)
return FALSE;
if (pSrcPixmap->drawable.depth < 15 || pDstPixmap->drawable.depth < 15)
return FALSE;
if (!EXA_PM_IS_SOLID(&pSrcPixmap->drawable, planeMask))
return FALSE;
if (!priv || !src_priv)
return FALSE;
if (!priv->tex || !src_priv->tex)
return FALSE;
if (!exa->ctx || !exa->ctx->surface_copy)
return FALSE;
priv->src_surf =
exa->scrn->get_tex_surface(exa->scrn, src_priv->tex, 0, 0, 0,
PIPE_BUFFER_USAGE_GPU_READ |
PIPE_BUFFER_USAGE_GPU_WRITE);
return TRUE;
}
static void
ExaCopy(PixmapPtr pDstPixmap, int srcX, int srcY, int dstX, int dstY,
int width, int height)
{
ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_entity *exa = ms->exa;
struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
struct pipe_surface *surf =
exa->scrn->get_tex_surface(exa->scrn, priv->tex, 0, 0, 0,
PIPE_BUFFER_USAGE_GPU_READ |
PIPE_BUFFER_USAGE_GPU_WRITE);
exa->ctx->surface_copy(exa->ctx, 0, surf, dstX, dstY, priv->src_surf,
srcX, srcY, width, height);
exa->scrn->tex_surface_destroy(surf);
}
static Bool
ExaPrepareComposite(int op, PicturePtr pSrcPicture,
PicturePtr pMaskPicture, PicturePtr pDstPicture,
PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
{
return FALSE;
}
#if 0
static Bool
ExaUploadToScreen(PixmapPtr pDst, int x, int y, int w, int h, char *src,
int src_pitch)
{
ErrorF("UPLOAD\n");
return FALSE;
}
#endif
static void
ExaComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
int dstX, int dstY, int width, int height)
{
}
static Bool
ExaCheckComposite(int op,
PicturePtr pSrcPicture, PicturePtr pMaskPicture,
PicturePtr pDstPicture)
{
return FALSE;
}
static void *
ExaCreatePixmap(ScreenPtr pScreen, int size, int align)
{
struct PixmapPriv *priv;
priv = xcalloc(1, sizeof(struct PixmapPriv));
if (!priv)
return NULL;
return priv;
}
static void
ExaDestroyPixmap(ScreenPtr pScreen, void *dPriv)
{
struct PixmapPriv *priv = (struct PixmapPriv *)dPriv;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_entity *exa = ms->exa;
if (!priv)
return;
if (priv->tex)
ms->screen->texture_destroy(priv->tex);
xfree(priv);
}
static Bool
ExaPixmapIsOffscreen(PixmapPtr pPixmap)
{
struct PixmapPriv *priv;
priv = exaGetPixmapDriverPrivate(pPixmap);
if (!priv)
return FALSE;
if (priv->tex)
return TRUE;
return FALSE;
}
unsigned
xorg_exa_get_pixmap_handle(PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct PixmapPriv *priv;
struct pipe_buffer *buffer = NULL;
unsigned handle;
unsigned stride;
if (!ms->exa) {
FatalError("NO MS->EXA\n");
return 0;
}
priv = exaGetPixmapDriverPrivate(pPixmap);
if (!priv) {
FatalError("NO PIXMAP PRIVATE\n");
return 0;
}
drm_api_hooks.buffer_from_texture(priv->tex, &buffer, &stride);
drm_api_hooks.handle_from_buffer(ms->screen, buffer, &handle);
pipe_buffer_reference(&buffer, NULL);
return handle;
}
static Bool
ExaModifyPixmapHeader(PixmapPtr pPixmap, int width, int height,
int depth, int bitsPerPixel, int devKind,
pointer pPixData)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pPixmap);
modesettingPtr ms = modesettingPTR(pScrn);
//PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
struct exa_entity *exa = ms->exa;
if (!priv)
return FALSE;
if (depth <= 0)
depth = pPixmap->drawable.depth;
if (bitsPerPixel <= 0)
bitsPerPixel = pPixmap->drawable.bitsPerPixel;
if (width <= 0)
width = pPixmap->drawable.width;
if (height <= 0)
height = pPixmap->drawable.height;
if (width <= 0 || height <= 0 || depth <= 0)
return FALSE;
miModifyPixmapHeader(pPixmap, width, height, depth,
bitsPerPixel, devKind, NULL);
/* Deal with screen resize */
if (priv->tex && (priv->tex->width[0] != width || priv->tex->height[0] != height)) {
pipe_texture_reference(&priv->tex, NULL);
}
if (!priv->tex) {
struct pipe_texture template;
memset(&template, 0, sizeof(template));
template.target = PIPE_TEXTURE_2D;
template.compressed = 0;
exa_get_pipe_format(depth, &template.format, &bitsPerPixel);
pf_get_block(template.format, &template.block);
template.width[0] = width;
template.height[0] = height;
template.depth[0] = 1;
template.last_level = 0;
template.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
priv->tex = exa->scrn->texture_create(exa->scrn, &template);
}
return TRUE;
}
struct pipe_texture *
xorg_exa_get_texture(PixmapPtr pPixmap)
{
struct PixmapPriv *priv = exaGetPixmapDriverPrivate(pPixmap);
struct pipe_texture *tex = NULL;
pipe_texture_reference(&tex, priv->tex);
return tex;
}
void
xorg_exa_close(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_entity *exa = ms->exa;
if (exa->ctx)
exa->ctx->destroy(exa->ctx);
exaDriverFini(pScrn->pScreen);
xfree(exa);
ms->exa = NULL;
}
void *
xorg_exa_init(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_entity *exa;
ExaDriverPtr pExa;
exa = xcalloc(1, sizeof(struct exa_entity));
if (!exa)
return NULL;
pExa = exaDriverAlloc();
if (!pExa) {
goto out_err;
}
memset(pExa, 0, sizeof(*pExa));
pExa->exa_major = 2;
pExa->exa_minor = 2;
pExa->memoryBase = 0;
pExa->memorySize = 0;
pExa->offScreenBase = 0;
pExa->pixmapOffsetAlign = 0;
pExa->pixmapPitchAlign = 1;
pExa->flags = EXA_OFFSCREEN_PIXMAPS | EXA_HANDLES_PIXMAPS;
pExa->maxX = 8191; /* FIXME */
pExa->maxY = 8191; /* FIXME */
pExa->WaitMarker = ExaWaitMarker;
pExa->MarkSync = ExaMarkSync;
pExa->PrepareSolid = ExaPrepareSolid;
pExa->Solid = ExaSolid;
pExa->DoneSolid = ExaDone;
pExa->PrepareCopy = ExaPrepareCopy;
pExa->Copy = ExaCopy;
pExa->DoneCopy = ExaDone;
pExa->CheckComposite = ExaCheckComposite;
pExa->PrepareComposite = ExaPrepareComposite;
pExa->Composite = ExaComposite;
pExa->DoneComposite = ExaDoneComposite;
pExa->PixmapIsOffscreen = ExaPixmapIsOffscreen;
pExa->PrepareAccess = ExaPrepareAccess;
pExa->FinishAccess = ExaFinishAccess;
//pExa->UploadToScreen = ExaUploadToScreen;
pExa->UploadToScreen = NULL;
pExa->CreatePixmap = ExaCreatePixmap;
pExa->DestroyPixmap = ExaDestroyPixmap;
pExa->ModifyPixmapHeader = ExaModifyPixmapHeader;
if (!exaDriverInit(pScrn->pScreen, pExa)) {
goto out_err;
}
exa->scrn = ms->screen;
exa->ctx = drm_api_hooks.create_context(exa->scrn);
/* Share context with DRI */
ms->ctx = exa->ctx;
return (void *)exa;
out_err:
xorg_exa_close(pScrn);
return NULL;
}
/* vim: set sw=4 ts=8 sts=4: */
|