1 files changed, 260 insertions, 0 deletions
diff --git a/src/uxa/intel_hwmc.c b/src/uxa/intel_hwmc.c
new file mode 100644
index 00000000..f991aa65
--- /dev/null
+++ b/src/uxa/intel_hwmc.c
@@ -0,0 +1,260 @@
+/*
+ * Copyright © 2007 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Zhenyu Wang <zhenyu.z.wang@intel.com>
+ *
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define _INTEL_XVMC_SERVER_
+#include "intel.h"
+#include "intel_xvmc.h"
+
+#include <X11/extensions/Xv.h>
+#include <X11/extensions/XvMC.h>
+#include <fourcc.h>
+
+static int create_subpicture(ScrnInfoPtr scrn, XvMCSubpicturePtr subpicture,
+			     int *num_priv, CARD32 ** priv)
+{
+	return Success;
+}
+
+static void destroy_subpicture(ScrnInfoPtr scrn, XvMCSubpicturePtr subpicture)
+{
+}
+
+static int create_surface(ScrnInfoPtr scrn, XvMCSurfacePtr surface,
+			  int *num_priv, CARD32 ** priv)
+{
+	return Success;
+}
+
+static void destroy_surface(ScrnInfoPtr scrn, XvMCSurfacePtr surface)
+{
+}
+
+static int create_context(ScrnInfoPtr scrn, XvMCContextPtr pContext,
+				    int *num_priv, CARD32 **priv)
+{
+	intel_screen_private *intel = intel_get_screen_private(scrn);
+	struct intel_xvmc_hw_context *contextRec;
+
+	*priv = calloc(1, sizeof(struct intel_xvmc_hw_context));
+	contextRec = (struct intel_xvmc_hw_context *) *priv;
+	if (!contextRec) {
+		*num_priv = 0;
+		return BadAlloc;
+	}
+
+	*num_priv = sizeof(struct intel_xvmc_hw_context) >> 2;
+
+	if (IS_GEN3(intel)) {
+		contextRec->type = XVMC_I915_MPEG2_MC;
+		contextRec->i915.use_phys_addr = 0;
+	} else {
+		if (INTEL_INFO(intel)->gen >= 045)
+			contextRec->type = XVMC_I965_MPEG2_VLD;
+		else
+			contextRec->type = XVMC_I965_MPEG2_MC;
+		contextRec->i965.is_g4x = INTEL_INFO(intel)->gen == 045;
+		contextRec->i965.is_965_q = IS_965_Q(intel);
+		contextRec->i965.is_igdng = IS_GEN5(intel);
+	}
+
+	return Success;
+}
+
+static void destroy_context(ScrnInfoPtr scrn, XvMCContextPtr context)
+{
+}
+
+/* i915 hwmc support */
+static XF86MCSurfaceInfoRec i915_YV12_mpg2_surface = {
+	FOURCC_YV12,
+	XVMC_CHROMA_FORMAT_420,
+	0,
+	720,
+	576,
+	720,
+	576,
+	XVMC_MPEG_2,
+	/* XVMC_OVERLAID_SURFACE | XVMC_SUBPICTURE_INDEPENDENT_SCALING, */
+	0,
+	/* &yv12_subpicture_list */
+	NULL,
+};
+
+static XF86MCSurfaceInfoRec i915_YV12_mpg1_surface = {
+	FOURCC_YV12,
+	XVMC_CHROMA_FORMAT_420,
+	0,
+	720,
+	576,
+	720,
+	576,
+	XVMC_MPEG_1,
+	/* XVMC_OVERLAID_SURFACE | XVMC_SUBPICTURE_INDEPENDENT_SCALING, */
+	0,
+	NULL,
+};
+
+static XF86MCSurfaceInfoPtr surface_info_i915[2] = {
+	(XF86MCSurfaceInfoPtr) & i915_YV12_mpg2_surface,
+	(XF86MCSurfaceInfoPtr) & i915_YV12_mpg1_surface
+};
+
+/* i965 and later hwmc support */
+#ifndef XVMC_VLD
+#define XVMC_VLD  0x00020000
+#endif
+
+static XF86MCSurfaceInfoRec yv12_mpeg2_vld_surface = {
+	FOURCC_YV12,
+	XVMC_CHROMA_FORMAT_420,
+	0,
+	1936,
+	1096,
+	1920,
+	1080,
+	XVMC_MPEG_2 | XVMC_VLD,
+	XVMC_INTRA_UNSIGNED,
+	NULL
+};
+
+static XF86MCSurfaceInfoRec yv12_mpeg2_i965_surface = {
+	FOURCC_YV12,
+	XVMC_CHROMA_FORMAT_420,
+	0,
+	1936,
+	1096,
+	1920,
+	1080,
+	XVMC_MPEG_2 | XVMC_MOCOMP,
+	/* XVMC_OVERLAID_SURFACE | XVMC_SUBPICTURE_INDEPENDENT_SCALING, */
+	XVMC_INTRA_UNSIGNED,
+	/* &yv12_subpicture_list */
+	NULL
+};
+
+static XF86MCSurfaceInfoRec yv12_mpeg1_i965_surface = {
+	FOURCC_YV12,
+	XVMC_CHROMA_FORMAT_420,
+	0,
+	1920,
+	1080,
+	1920,
+	1080,
+	XVMC_MPEG_1 | XVMC_MOCOMP,
+	/*XVMC_OVERLAID_SURFACE | XVMC_SUBPICTURE_INDEPENDENT_SCALING |
+	   XVMC_INTRA_UNSIGNED, */
+	XVMC_INTRA_UNSIGNED,
+
+	/*&yv12_subpicture_list */
+	NULL
+};
+
+static XF86MCSurfaceInfoPtr surface_info_i965[] = {
+	&yv12_mpeg2_i965_surface,
+	&yv12_mpeg1_i965_surface
+};
+
+static XF86MCSurfaceInfoPtr surface_info_vld[] = {
+	&yv12_mpeg2_vld_surface,
+	&yv12_mpeg2_i965_surface,
+};
+
+/* check chip type and load xvmc driver */
+Bool intel_xvmc_adaptor_init(ScreenPtr pScreen)
+{
+	ScrnInfoPtr scrn = xf86ScreenToScrn(pScreen);
+	intel_screen_private *intel = intel_get_screen_private(scrn);
+	static XF86MCAdaptorRec *pAdapt;
+	char *name;
+	char buf[64];
+
+	if (!intel->XvMCEnabled)
+		return FALSE;
+
+	/* Needs KMS support. */
+	if (IS_I915G(intel) || IS_I915GM(intel))
+		return FALSE;
+
+	if (IS_GEN2(intel)) {
+		ErrorF("Your chipset doesn't support XvMC.\n");
+		return FALSE;
+	}
+
+	pAdapt = calloc(1, sizeof(XF86MCAdaptorRec));
+	if (!pAdapt) {
+		ErrorF("Allocation error.\n");
+		return FALSE;
+	}
+
+	pAdapt->name = "Intel(R) Textured Video";
+	pAdapt->num_subpictures = 0;
+	pAdapt->subpictures = NULL;
+	pAdapt->CreateContext = create_context;
+	pAdapt->DestroyContext = destroy_context;
+	pAdapt->CreateSurface = create_surface;
+	pAdapt->DestroySurface = destroy_surface;
+	pAdapt->CreateSubpicture =  create_subpicture;
+	pAdapt->DestroySubpicture = destroy_subpicture;
+
+	if (IS_GEN3(intel)) {
+		name = "i915_xvmc",
+		pAdapt->num_surfaces = ARRAY_SIZE(surface_info_i915);
+		pAdapt->surfaces = surface_info_i915;
+	} else if (INTEL_INFO(intel)->gen >= 045) {
+		name = "xvmc_vld",
+		pAdapt->num_surfaces = ARRAY_SIZE(surface_info_vld);
+		pAdapt->surfaces = surface_info_vld;
+	} else {
+		name = "i965_xvmc",
+		pAdapt->num_surfaces = ARRAY_SIZE(surface_info_i965);
+		pAdapt->surfaces = surface_info_i965;
+	}
+
+	if (xf86XvMCScreenInit(pScreen, 1, &pAdapt)) {
+		xf86DrvMsg(scrn->scrnIndex, X_INFO,
+			   "[XvMC] %s driver initialized.\n",
+			   name);
+	} else {
+		intel->XvMCEnabled = FALSE;
+		xf86DrvMsg(scrn->scrnIndex, X_INFO,
+			   "[XvMC] Failed to initialize XvMC.\n");
+		return FALSE;
+	}
+
+	sprintf(buf, "pci:%04x:%02x:%02x.%d",
+		intel->PciInfo->domain,
+		intel->PciInfo->bus, intel->PciInfo->dev, intel->PciInfo->func);
+
+	xf86XvMCRegisterDRInfo(pScreen, INTEL_XVMC_LIBNAME,
+			       buf,
+			       INTEL_XVMC_MAJOR, INTEL_XVMC_MINOR,
+			       INTEL_XVMC_PATCHLEVEL);
+	return TRUE;
+}