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Diffstat (limited to 'src/gallium/state_trackers/xorg/xorg_exa.c')
-rw-r--r--src/gallium/state_trackers/xorg/xorg_exa.c534
1 files changed, 534 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 00000000000..ac0bfc88a4d
--- /dev/null
+++ b/src/gallium/state_trackers/xorg/xorg_exa.c
@@ -0,0 +1,534 @@
+/*
+ * 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;
+};
+
+/*
+ * Helper functions
+ */
+
+static enum pipe_format
+exa_get_pipe_format(int depth)
+{
+ switch (depth) {
+ case 32:
+ return PIPE_FORMAT_A8R8G8B8_UNORM;
+ case 24:
+ return PIPE_FORMAT_X8R8G8B8_UNORM;
+ case 16:
+ return PIPE_FORMAT_R5G6B5_UNORM;
+ case 15:
+ return PIPE_FORMAT_A1R5G5B5_UNORM;
+ case 8:
+ case 4:
+ case 1:
+ return PIPE_FORMAT_A8R8G8B8_UNORM; /* bad bad bad */
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+/*
+ * 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;
+ {
+ 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;
+
+ exa->scrn->transfer_unmap(exa->scrn, priv->map_transfer);
+ pipe_transfer_reference(&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_release(exa->scrn, &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_release(exa->scrn, &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 FALSE;
+}
+
+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_release(exa->scrn, &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_release(exa->scrn, &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_hocks.buffer_from_texture(priv->tex, &buffer, &stride);
+ drm_api_hocks.handle_from_buffer(ms->screen, buffer, &handle);
+ pipe_buffer_reference(ms->screen, &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;
+ template.format = exa_get_pipe_format(depth);
+ 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_hocks.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: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 03:12:27 +0000