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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>
*
*/
#include "xorg_exa.h"
#include "xorg_tracker.h"
#include "xorg_composite.h"
#include "xorg_exa_tgsi.h"
#include <xorg-server.h>
#include <xf86.h>
#include <picturestr.h>
#include <picture.h>
#include "pipe/p_format.h"
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "pipe/p_inlines.h"
#include "util/u_rect.h"
#define DEBUG_PRINT 0
#define DEBUG_SOLID 0
#define DISABLE_ACCEL 0
/*
* 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:
*format = PIPE_FORMAT_A8_UNORM;
assert(*bbp == 8);
break;
case 4:
case 1:
*format = PIPE_FORMAT_A8R8G8B8_UNORM; /* bad bad bad */
break;
default:
assert(0);
break;
}
}
static void
xorg_exa_common_done(struct exa_context *exa)
{
exa->copy.src = NULL;
exa->copy.dst = NULL;
exa->has_solid_color = FALSE;
exa->num_bound_samplers = 0;
}
/*
* Static exported EXA functions
*/
static void
ExaWaitMarker(ScreenPtr pScreen, int marker)
{
}
static int
ExaMarkSync(ScreenPtr pScreen)
{
return 1;
}
static Bool
ExaDownloadFromScreen(PixmapPtr pPix, int x, int y, int w, int h, char *dst,
int dst_pitch)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_context *exa = ms->exa;
struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPix);
struct pipe_transfer *transfer;
if (!priv || !priv->tex)
return FALSE;
if (exa->pipe->is_texture_referenced(exa->pipe, priv->tex, 0, 0) &
PIPE_REFERENCED_FOR_WRITE)
exa->pipe->flush(exa->pipe, 0, NULL);
transfer = exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
PIPE_TRANSFER_READ, x, y, w, h);
if (!transfer)
return FALSE;
util_copy_rect((unsigned char*)dst, &priv->tex->block, dst_pitch, 0, 0,
w, h, exa->scrn->transfer_map(exa->scrn, transfer),
transfer->stride, 0, 0);
exa->scrn->transfer_unmap(exa->scrn, transfer);
exa->scrn->tex_transfer_destroy(transfer);
return TRUE;
}
static Bool
ExaUploadToScreen(PixmapPtr pPix, int x, int y, int w, int h, char *src,
int src_pitch)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_context *exa = ms->exa;
struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPix);
struct pipe_transfer *transfer;
if (!priv || !priv->tex)
return FALSE;
transfer = exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
PIPE_TRANSFER_WRITE, x, y, w, h);
if (!transfer)
return FALSE;
util_copy_rect(exa->scrn->transfer_map(exa->scrn, transfer),
&priv->tex->block, transfer->stride, 0, 0, w, h,
(unsigned char*)src, src_pitch, 0, 0);
exa->scrn->transfer_unmap(exa->scrn, transfer);
exa->scrn->tex_transfer_destroy(transfer);
return TRUE;
}
static Bool
ExaPrepareAccess(PixmapPtr pPix, int index)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_context *exa = ms->exa;
struct exa_pixmap_priv *priv;
priv = exaGetPixmapDriverPrivate(pPix);
if (!priv)
return FALSE;
if (!priv->tex)
return FALSE;
if (priv->map_count == 0)
{
if (exa->pipe->is_texture_referenced(exa->pipe, priv->tex, 0, 0) &
PIPE_REFERENCED_FOR_WRITE)
exa->pipe->flush(exa->pipe, 0, NULL);
priv->map_transfer =
exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
#ifdef EXA_MIXED_PIXMAPS
PIPE_TRANSFER_MAP_DIRECTLY |
#endif
PIPE_TRANSFER_READ_WRITE,
0, 0, priv->tex->width[0], priv->tex->height[0]);
if (!priv->map_transfer)
#ifdef EXA_MIXED_PIXMAPS
return FALSE;
#else
FatalError("failed to create transfer\n");
#endif
pPix->devPrivate.ptr =
exa->scrn->transfer_map(exa->scrn, priv->map_transfer);
pPix->devKind = priv->map_transfer->stride;
}
priv->map_count++;
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_context *exa = ms->exa;
struct exa_pixmap_priv *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;
pPix->devPrivate.ptr = NULL;
}
}
static void
ExaDone(PixmapPtr pPixmap)
{
ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
struct exa_context *exa = ms->exa;
if (!priv)
return;
#if 1
xorg_exa_flush(exa, PIPE_FLUSH_RENDER_CACHE, NULL);
#else
xorg_exa_finish(exa);
#endif
xorg_exa_common_done(exa);
}
static void
ExaDoneComposite(PixmapPtr pPixmap)
{
ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_context *exa = ms->exa;
xorg_exa_common_done(exa);
}
static Bool
ExaPrepareSolid(PixmapPtr pPixmap, int alu, Pixel planeMask, Pixel fg)
{
ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
struct exa_context *exa = ms->exa;
#if DEBUG_PRINT
debug_printf("ExaPrepareSolid(0x%x)\n", fg);
#endif
if (!exa->pipe)
XORG_FALLBACK("accle not enabled");
if (!priv || !priv->tex)
XORG_FALLBACK("%s", !priv ? "!priv" : "!priv->tex");
if (!EXA_PM_IS_SOLID(&pPixmap->drawable, planeMask))
XORG_FALLBACK("planeMask is not solid");
if (alu != GXcopy)
XORG_FALLBACK("not GXcopy");
if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
priv->tex->target,
PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) {
XORG_FALLBACK("format %s", pf_name(priv->tex->format));
}
#if DEBUG_SOLID
fg = 0xffff0000;
#endif
#if DISABLE_ACCEL
return FALSE;
#else
return xorg_solid_bind_state(exa, priv, fg);
#endif
}
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_context *exa = ms->exa;
struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
#if DEBUG_PRINT
debug_printf("\tExaSolid(%d, %d, %d, %d)\n", x0, y0, x1, y1);
#endif
#if 0
if (x0 == 0 && y0 == 0 &&
x1 == priv->tex->width[0] &&
y1 == priv->tex->height[0]) {
exa->ctx->clear(exa->pipe, PIPE_CLEAR_COLOR,
exa->solid_color, 1., 0);
} else
#endif
#if DEBUG_SOLID
exa->solid_color[0] = 0.f;
exa->solid_color[1] = 1.f;
exa->solid_color[2] = 0.f;
exa->solid_color[3] = 1.f;
xorg_solid(exa, priv, 0, 0, 1024, 768);
exa->solid_color[0] = 1.f;
exa->solid_color[1] = 0.f;
exa->solid_color[2] = 0.f;
exa->solid_color[3] = 1.f;
xorg_solid(exa, priv, 0, 0, 300, 300);
xorg_solid(exa, priv, 300, 300, 350, 350);
xorg_solid(exa, priv, 350, 350, 500, 500);
xorg_solid(exa, priv,
priv->tex->width[0] - 10,
priv->tex->height[0] - 10,
priv->tex->width[0],
priv->tex->height[0]);
exa->solid_color[0] = 0.f;
exa->solid_color[1] = 0.f;
exa->solid_color[2] = 1.f;
exa->solid_color[3] = 1.f;
exa->has_solid_color = FALSE;
ExaPrepareCopy(pPixmap, pPixmap, 0, 0, GXcopy, 0xffffffff);
ExaCopy(pPixmap, 0, 0, 50, 50, 500, 500);
#else
xorg_solid(exa, priv, x0, y0, x1, y1) ;
#endif
}
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_context *exa = ms->exa;
struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
struct exa_pixmap_priv *src_priv = exaGetPixmapDriverPrivate(pSrcPixmap);
#if DEBUG_PRINT
debug_printf("ExaPrepareCopy\n");
#endif
if (!exa->pipe)
XORG_FALLBACK("accle not enabled");
if (!priv || !priv->tex)
XORG_FALLBACK("pDst %s", !priv ? "!priv" : "!priv->tex");
if (!src_priv || !src_priv->tex)
XORG_FALLBACK("pSrc %s", !src_priv ? "!priv" : "!priv->tex");
if (!EXA_PM_IS_SOLID(&pSrcPixmap->drawable, planeMask))
XORG_FALLBACK("planeMask is not solid");
if (alu != GXcopy)
XORG_FALLBACK("alu not GXcopy");
if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
priv->tex->target,
PIPE_TEXTURE_USAGE_RENDER_TARGET, 0))
XORG_FALLBACK("pDst format %s", pf_name(priv->tex->format));
if (!exa->scrn->is_format_supported(exa->scrn, src_priv->tex->format,
src_priv->tex->target,
PIPE_TEXTURE_USAGE_SAMPLER, 0))
XORG_FALLBACK("pSrc format %s", pf_name(src_priv->tex->format));
exa->copy.src = src_priv;
exa->copy.dst = priv;
#if DISABLE_ACCEL
return FALSE;
#else
return TRUE;
#endif
}
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_context *exa = ms->exa;
struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
#if DEBUG_PRINT
debug_printf("\tExaCopy(srcx=%d, srcy=%d, dstX=%d, dstY=%d, w=%d, h=%d)\n",
srcX, srcY, dstX, dstY, width, height);
#endif
debug_assert(priv == exa->copy.dst);
renderer_copy_pixmap(exa->renderer, exa->copy.dst, dstX, dstY,
exa->copy.src, srcX, srcY,
width, height);
}
static Bool
ExaPrepareComposite(int op, PicturePtr pSrcPicture,
PicturePtr pMaskPicture, PicturePtr pDstPicture,
PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
{
ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_context *exa = ms->exa;
struct exa_pixmap_priv *priv;
#if DEBUG_PRINT
debug_printf("ExaPrepareComposite\n");
#endif
if (!exa->pipe)
XORG_FALLBACK("accle not enabled");
priv = exaGetPixmapDriverPrivate(pDst);
if (!priv || !priv->tex)
XORG_FALLBACK("pDst %s", !priv ? "!priv" : "!priv->tex");
if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
priv->tex->target,
PIPE_TEXTURE_USAGE_RENDER_TARGET, 0))
XORG_FALLBACK("pDst format: %s", pf_name(priv->tex->format));
if (pSrc) {
priv = exaGetPixmapDriverPrivate(pSrc);
if (!priv || !priv->tex)
XORG_FALLBACK("pSrc %s", !priv ? "!priv" : "!priv->tex");
if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
priv->tex->target,
PIPE_TEXTURE_USAGE_SAMPLER, 0))
XORG_FALLBACK("pSrc format: %s", pf_name(priv->tex->format));
}
if (pMask) {
priv = exaGetPixmapDriverPrivate(pMask);
if (!priv || !priv->tex)
XORG_FALLBACK("pMask %s", !priv ? "!priv" : "!priv->tex");
if (!exa->scrn->is_format_supported(exa->scrn, priv->tex->format,
priv->tex->target,
PIPE_TEXTURE_USAGE_SAMPLER, 0))
XORG_FALLBACK("pMask format: %s", pf_name(priv->tex->format));
}
#if DISABLE_ACCEL
(void) exa;
return FALSE;
#else
return xorg_composite_bind_state(exa, op, pSrcPicture, pMaskPicture,
pDstPicture,
pSrc ? exaGetPixmapDriverPrivate(pSrc) : NULL,
pMask ? exaGetPixmapDriverPrivate(pMask) : NULL,
exaGetPixmapDriverPrivate(pDst));
#endif
}
static void
ExaComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
int dstX, int dstY, int width, int height)
{
ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_context *exa = ms->exa;
struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDst);
#if DEBUG_PRINT
debug_printf("\tExaComposite(src[%d,%d], mask=[%d, %d], dst=[%d, %d], dim=[%d, %d])\n", srcX, srcY, maskX, maskY, dstX, dstY, width, height);
#endif
xorg_composite(exa, priv, srcX, srcY, maskX, maskY,
dstX, dstY, width, height);
}
static Bool
ExaCheckComposite(int op,
PicturePtr pSrcPicture, PicturePtr pMaskPicture,
PicturePtr pDstPicture)
{
boolean accelerated = xorg_composite_accelerated(op,
pSrcPicture,
pMaskPicture,
pDstPicture);
#if DEBUG_PRINT
debug_printf("ExaCheckComposite(%d, %p, %p, %p) = %d\n",
op, pSrcPicture, pMaskPicture, pDstPicture, accelerated);
#endif
#if DISABLE_ACCEL
accelerated = FALSE;
#endif
return accelerated;
}
static void *
ExaCreatePixmap(ScreenPtr pScreen, int size, int align)
{
struct exa_pixmap_priv *priv;
priv = xcalloc(1, sizeof(struct exa_pixmap_priv));
if (!priv)
return NULL;
return priv;
}
static void
ExaDestroyPixmap(ScreenPtr pScreen, void *dPriv)
{
struct exa_pixmap_priv *priv = (struct exa_pixmap_priv *)dPriv;
if (!priv)
return;
pipe_texture_reference(&priv->tex, NULL);
xfree(priv);
}
static Bool
ExaPixmapIsOffscreen(PixmapPtr pPixmap)
{
struct exa_pixmap_priv *priv;
priv = exaGetPixmapDriverPrivate(pPixmap);
if (!priv)
return FALSE;
if (priv->tex)
return TRUE;
return FALSE;
}
int
xorg_exa_set_displayed_usage(PixmapPtr pPixmap)
{
struct exa_pixmap_priv *priv;
priv = exaGetPixmapDriverPrivate(pPixmap);
if (!priv) {
FatalError("NO PIXMAP PRIVATE\n");
return 0;
}
priv->flags |= PIPE_TEXTURE_USAGE_PRIMARY;
return 0;
}
int
xorg_exa_set_shared_usage(PixmapPtr pPixmap)
{
struct exa_pixmap_priv *priv;
priv = exaGetPixmapDriverPrivate(pPixmap);
if (!priv) {
FatalError("NO PIXMAP PRIVATE\n");
return 0;
}
priv->flags |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
return 0;
}
unsigned
xorg_exa_get_pixmap_handle(PixmapPtr pPixmap, unsigned *stride_out)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_pixmap_priv *priv;
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;
}
ms->api->local_handle_from_texture(ms->api, ms->screen, priv->tex, &stride, &handle);
if (stride_out)
*stride_out = stride;
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 exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_context *exa = ms->exa;
if (!priv || pPixData)
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 ||
priv->tex_flags != priv->flags)) {
struct pipe_texture *texture = NULL;
struct pipe_texture template;
memset(&template, 0, sizeof(template));
template.target = PIPE_TEXTURE_2D;
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->flags;
priv->tex_flags = priv->flags;
texture = exa->scrn->texture_create(exa->scrn, &template);
if (priv->tex) {
struct pipe_surface *dst_surf;
struct pipe_surface *src_surf;
dst_surf = exa->scrn->get_tex_surface(
exa->scrn, texture, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE);
src_surf = xorg_gpu_surface(exa->pipe->screen, priv);
if (exa->pipe->surface_copy) {
exa->pipe->surface_copy(exa->pipe, dst_surf, 0, 0, src_surf,
0, 0, min(width, texture->width[0]),
min(height, texture->height[0]));
} else {
util_surface_copy(exa->pipe, FALSE, dst_surf, 0, 0, src_surf,
0, 0, min(width, texture->width[0]),
min(height, texture->height[0]));
}
exa->scrn->tex_surface_destroy(dst_surf);
exa->scrn->tex_surface_destroy(src_surf);
}
pipe_texture_reference(&priv->tex, texture);
/* the texture we create has one reference */
pipe_texture_reference(&texture, NULL);
}
return TRUE;
}
struct pipe_texture *
xorg_exa_get_texture(PixmapPtr pPixmap)
{
struct exa_pixmap_priv *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_context *exa = ms->exa;
renderer_destroy(exa->renderer);
if (exa->pipe)
exa->pipe->destroy(exa->pipe);
exaDriverFini(pScrn->pScreen);
xfree(exa);
ms->exa = NULL;
}
void *
xorg_exa_init(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_context *exa;
ExaDriverPtr pExa;
exa = xcalloc(1, sizeof(struct exa_context));
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;
#ifdef EXA_SUPPORTS_PREPARE_AUX
pExa->flags |= EXA_SUPPORTS_PREPARE_AUX;
#endif
#ifdef EXA_MIXED_PIXMAPS
pExa->flags |= EXA_MIXED_PIXMAPS;
#endif
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->DownloadFromScreen = ExaDownloadFromScreen;
pExa->UploadToScreen = ExaUploadToScreen;
pExa->PrepareAccess = ExaPrepareAccess;
pExa->FinishAccess = ExaFinishAccess;
pExa->CreatePixmap = ExaCreatePixmap;
pExa->DestroyPixmap = ExaDestroyPixmap;
pExa->ModifyPixmapHeader = ExaModifyPixmapHeader;
if (!exaDriverInit(pScrn->pScreen, pExa)) {
goto out_err;
}
exa->scrn = ms->screen;
exa->pipe = ms->api->create_context(ms->api, exa->scrn);
/* Share context with DRI */
ms->ctx = exa->pipe;
exa->renderer = renderer_create(exa->pipe);
return (void *)exa;
out_err:
xorg_exa_close(pScrn);
return NULL;
}
struct pipe_surface *
xorg_gpu_surface(struct pipe_screen *scrn, struct exa_pixmap_priv *priv)
{
return scrn->get_tex_surface(scrn, priv->tex, 0, 0, 0,
PIPE_BUFFER_USAGE_GPU_READ |
PIPE_BUFFER_USAGE_GPU_WRITE);
}
void xorg_exa_flush(struct exa_context *exa, uint pipeFlushFlags,
struct pipe_fence_handle **fence)
{
exa->pipe->flush(exa->pipe, pipeFlushFlags, fence);
}
void xorg_exa_finish(struct exa_context *exa)
{
struct pipe_fence_handle *fence = NULL;
xorg_exa_flush(exa, PIPE_FLUSH_RENDER_CACHE, &fence);
exa->pipe->screen->fence_finish(exa->pipe->screen, fence, 0);
exa->pipe->screen->fence_reference(exa->pipe->screen, &fence, NULL);
}
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