diff options
Diffstat (limited to 'src/gallium/state_trackers/xorg/xorg_exa.c')
-rw-r--r-- | src/gallium/state_trackers/xorg/xorg_exa.c | 528 |
1 files changed, 528 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_exa.c b/src/gallium/state_trackers/xorg/xorg_exa.c new file mode 100644 index 0000000000..56c8fdccb2 --- /dev/null +++ b/src/gallium/state_trackers/xorg/xorg_exa.c @@ -0,0 +1,528 @@ +/* + * 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 "xf86.h" +#include "xorg_tracker.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); + struct exa_entity *exa = ms->exa; + struct PixmapPriv *priv; + + 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, 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; +} + +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); + + 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); + 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->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: */ |