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-rw-r--r--src/gallium/targets/d3dadapter9/drm.c327
1 files changed, 327 insertions, 0 deletions
diff --git a/src/gallium/targets/d3dadapter9/drm.c b/src/gallium/targets/d3dadapter9/drm.c
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index 00000000000..d0b72e07bc2
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+++ b/src/gallium/targets/d3dadapter9/drm.c
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+/*
+ * Copyright 2011 Joakim Sindholt <[email protected]>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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. */
+
+#include "loader.h"
+
+#include "adapter9.h"
+
+#include "pipe-loader/pipe_loader.h"
+
+#include "pipe/p_screen.h"
+#include "pipe/p_state.h"
+
+#include "target-helpers/inline_drm_helper.h"
+#include "target-helpers/inline_sw_helper.h"
+#include "state_tracker/drm_driver.h"
+
+#include "d3dadapter/d3dadapter9.h"
+#include "d3dadapter/drm.h"
+
+#include <libdrm/drm.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+#define DBG_CHANNEL DBG_ADAPTER
+
+#define VERSION_DWORD(hi, lo) \
+ ((DWORD)( \
+ ((DWORD)((hi) & 0xFFFF) << 16) | \
+ (DWORD)((lo) & 0xFFFF) \
+ ))
+
+/* Regarding os versions, we should not define our own as that would simply be
+ * weird. Defaulting to Win2k/XP seems sane considering the origin of D3D9. The
+ * driver also defaults to being a generic D3D9 driver, which of course only
+ * matters if you're actually using the DDI. */
+#define VERSION_HIGH VERSION_DWORD(0x0006, 0x000E) /* winxp, d3d9 */
+#define VERSION_LOW VERSION_DWORD(0x0000, 0x0001) /* version, build */
+
+struct d3dadapter9drm_context
+{
+ struct d3dadapter9_context base;
+ struct pipe_loader_device *dev, *swdev;
+};
+
+static void
+drm_destroy( struct d3dadapter9_context *ctx )
+{
+#if !GALLIUM_STATIC_TARGETS
+ struct d3dadapter9drm_context *drm = (struct d3dadapter9drm_context *)ctx;
+
+ /* pipe_loader_sw destroys the context */
+ if (drm->swdev)
+ pipe_loader_release(&drm->swdev, 1);
+ if (drm->dev)
+ pipe_loader_release(&drm->dev, 1);
+#endif
+
+ FREE(ctx);
+}
+
+/* read a DWORD in the form 0xnnnnnnnn, which is how sysfs pci id stuff is
+ * formatted. */
+static INLINE DWORD
+read_file_dword( const char *name )
+{
+ char buf[32];
+ int fd, r;
+
+ fd = open(name, O_RDONLY);
+ if (fd < 0) {
+ DBG("Unable to get PCI information from `%s'\n", name);
+ return 0;
+ }
+
+ r = read(fd, buf, 32);
+ close(fd);
+
+ return (r > 0) ? (DWORD)strtol(buf, NULL, 0) : 0;
+}
+
+/* sysfs doesn't expose the revision as its own file, so this function grabs a
+ * dword at an offset in the raw PCI header. The reason this isn't used for all
+ * data is that the kernel will make corrections but not expose them in the raw
+ * header bytes. */
+static INLINE DWORD
+read_config_dword( int fd,
+ unsigned offset )
+{
+ DWORD r = 0;
+
+ if (lseek(fd, offset, SEEK_SET) != offset) { return 0; }
+ if (read(fd, &r, 4) != 4) { return 0; }
+
+ return r;
+}
+
+static INLINE void
+get_bus_info( int fd,
+ DWORD *vendorid,
+ DWORD *deviceid,
+ DWORD *subsysid,
+ DWORD *revision )
+{
+ drm_unique_t u;
+
+ u.unique_len = 0;
+ u.unique = NULL;
+
+ if (ioctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) { return; }
+ u.unique = CALLOC(u.unique_len+1, 1);
+
+ if (ioctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) { return; }
+ u.unique[u.unique_len] = '\0';
+
+ DBG("DRM Device BusID: %s\n", u.unique);
+ if (strncmp("pci:", u.unique, 4) == 0) {
+ char fname[512]; /* this ought to be enough */
+ int l = snprintf(fname, 512, "/sys/bus/pci/devices/%s/", u.unique+4);
+
+ /* VendorId */
+ snprintf(fname+l, 512-l, "vendor");
+ *vendorid = read_file_dword(fname);
+ /* DeviceId */
+ snprintf(fname+l, 512-l, "device");
+ *deviceid = read_file_dword(fname);
+ /* SubSysId */
+ snprintf(fname+l, 512-l, "subsystem_device");
+ *subsysid = (read_file_dword(fname) << 16) & 0xFFFF0000;
+ snprintf(fname+l, 512-l, "subsystem_vendor");
+ *subsysid |= read_file_dword(fname) & 0x0000FFFF;
+ /* Revision */
+ {
+ int cfgfd;
+
+ snprintf(fname+l, 512-l, "config");
+ cfgfd = open(fname, O_RDONLY);
+ if (cfgfd >= 0) {
+ *revision = read_config_dword(cfgfd, 0x8) & 0x000000FF;
+ close(cfgfd);
+ } else {
+ DBG("Unable to get raw PCI information from `%s'\n", fname);
+ }
+ }
+ DBG("PCI info: vendor=0x%04x, device=0x%04x, subsys=0x%08x, rev=%d\n",
+ *vendorid, *deviceid, *subsysid, *revision);
+ } else {
+ DBG("Unsupported BusID type.\n");
+ }
+
+ FREE(u.unique);
+}
+
+static INLINE void
+read_descriptor( struct d3dadapter9_context *ctx,
+ int fd )
+{
+ D3DADAPTER_IDENTIFIER9 *drvid = &ctx->identifier;
+
+ memset(drvid, 0, sizeof(*drvid));
+ get_bus_info(fd, &drvid->VendorId, &drvid->DeviceId,
+ &drvid->SubSysId, &drvid->Revision);
+
+ strncpy(drvid->Driver, "libd3dadapter9.so", sizeof(drvid->Driver));
+ strncpy(drvid->DeviceName, ctx->hal->get_name(ctx->hal), 32);
+ snprintf(drvid->Description, sizeof(drvid->Description),
+ "Gallium 0.4 with %s", ctx->hal->get_vendor(ctx->hal));
+
+ drvid->DriverVersionLowPart = VERSION_LOW;
+ drvid->DriverVersionHighPart = VERSION_HIGH;
+
+ /* To make a pseudo-real GUID we use the PCI bus data and some string */
+ drvid->DeviceIdentifier.Data1 = drvid->VendorId;
+ drvid->DeviceIdentifier.Data2 = drvid->DeviceId;
+ drvid->DeviceIdentifier.Data3 = drvid->SubSysId;
+ memcpy(drvid->DeviceIdentifier.Data4, "Gallium3D", 8);
+
+ drvid->WHQLLevel = 1; /* This fakes WHQL validaion */
+
+ /* XXX Fake NVIDIA binary driver on Windows.
+ *
+ * OS version: 4=95/98/NT4, 5=2000, 6=2000/XP, 7=Vista, 8=Win7
+ */
+ strncpy(drvid->Driver, "nvd3dum.dll", sizeof(drvid->Driver));
+ strncpy(drvid->Description, "NVIDIA GeForce GTX 680", sizeof(drvid->Description));
+ drvid->DriverVersionLowPart = VERSION_DWORD(12, 6658); /* minor, build */
+ drvid->DriverVersionHighPart = VERSION_DWORD(6, 15); /* OS, major */
+ drvid->SubSysId = 0;
+ drvid->Revision = 0;
+ drvid->DeviceIdentifier.Data1 = 0xaeb2cdd4;
+ drvid->DeviceIdentifier.Data2 = 0x6e41;
+ drvid->DeviceIdentifier.Data3 = 0x43ea;
+ drvid->DeviceIdentifier.Data4[0] = 0x94;
+ drvid->DeviceIdentifier.Data4[1] = 0x1c;
+ drvid->DeviceIdentifier.Data4[2] = 0x83;
+ drvid->DeviceIdentifier.Data4[3] = 0x61;
+ drvid->DeviceIdentifier.Data4[4] = 0xcc;
+ drvid->DeviceIdentifier.Data4[5] = 0x76;
+ drvid->DeviceIdentifier.Data4[6] = 0x07;
+ drvid->DeviceIdentifier.Data4[7] = 0x81;
+ drvid->WHQLLevel = 0;
+}
+
+static HRESULT WINAPI
+drm_create_adapter( int fd,
+ ID3DAdapter9 **ppAdapter )
+{
+ struct d3dadapter9drm_context *ctx = CALLOC_STRUCT(d3dadapter9drm_context);
+ HRESULT hr;
+ int i, different_device;
+ const struct drm_conf_ret *throttle_ret = NULL;
+ const struct drm_conf_ret *dmabuf_ret = NULL;
+
+#if !GALLIUM_STATIC_TARGETS
+ const char *paths[] = {
+ getenv("D3D9_DRIVERS_PATH"),
+ getenv("D3D9_DRIVERS_DIR"),
+ PIPE_SEARCH_DIR
+ };
+#endif
+
+ if (!ctx) { return E_OUTOFMEMORY; }
+
+ ctx->base.destroy = drm_destroy;
+
+ fd = loader_get_user_preferred_fd(fd, &different_device);
+ ctx->base.linear_framebuffer = !!different_device;
+
+#if GALLIUM_STATIC_TARGETS
+ ctx->base.hal = dd_create_screen(fd);
+#else
+ /* use pipe-loader to dlopen appropriate drm driver */
+ if (!pipe_loader_drm_probe_fd(&ctx->dev, fd, FALSE)) {
+ ERR("Failed to probe drm fd %d.\n", fd);
+ FREE(ctx);
+ close(fd);
+ return D3DERR_DRIVERINTERNALERROR;
+ }
+
+ /* use pipe-loader to create a drm screen (hal) */
+ ctx->base.hal = NULL;
+ for (i = 0; !ctx->base.hal && i < Elements(paths); ++i) {
+ if (!paths[i]) { continue; }
+ ctx->base.hal = pipe_loader_create_screen(ctx->dev, paths[i]);
+ }
+#endif
+ if (!ctx->base.hal) {
+ ERR("Unable to load requested driver.\n");
+ drm_destroy(&ctx->base);
+ return D3DERR_DRIVERINTERNALERROR;
+ }
+
+#if GALLIUM_STATIC_TARGETS
+ dmabuf_ret = dd_configuration(DRM_CONF_SHARE_FD);
+ throttle_ret = dd_configuration(DRM_CONF_THROTTLE);
+#else
+ dmabuf_ret = pipe_loader_configuration(ctx->dev, DRM_CONF_SHARE_FD);
+ throttle_ret = pipe_loader_configuration(ctx->dev, DRM_CONF_THROTTLE);
+#endif // GALLIUM_STATIC_TARGETS
+ if (!dmabuf_ret || !dmabuf_ret->val.val_bool) {
+ ERR("The driver is not capable of dma-buf sharing."
+ "Abandon to load nine state tracker\n");
+ drm_destroy(&ctx->base);
+ return D3DERR_DRIVERINTERNALERROR;
+ }
+
+ if (throttle_ret && throttle_ret->val.val_int != -1) {
+ ctx->base.throttling = TRUE;
+ ctx->base.throttling_value = throttle_ret->val.val_int;
+ } else
+ ctx->base.throttling = FALSE;
+
+
+#if GALLIUM_STATIC_TARGETS
+ ctx->base.ref = ninesw_create_screen(ctx->base.hal);
+#else
+ /* wrap it to create a software screen that can share resources */
+ if (pipe_loader_sw_probe_wrapped(&ctx->swdev, ctx->base.hal)) {
+ ctx->base.ref = NULL;
+ for (i = 0; !ctx->base.ref && i < Elements(paths); ++i) {
+ if (!paths[i]) { continue; }
+ ctx->base.ref = pipe_loader_create_screen(ctx->swdev, paths[i]);
+ }
+ }
+#endif
+ if (!ctx->base.ref) {
+ ERR("Couldn't wrap drm screen to swrast screen. Software devices "
+ "will be unavailable.\n");
+ }
+
+ /* read out PCI info */
+ read_descriptor(&ctx->base, fd);
+
+ /* create and return new ID3DAdapter9 */
+ hr = NineAdapter9_new(&ctx->base, (struct NineAdapter9 **)ppAdapter);
+ if (FAILED(hr)) {
+ drm_destroy(&ctx->base);
+ return hr;
+ }
+
+ return D3D_OK;
+}
+
+const struct D3DAdapter9DRM drm9_desc = {
+ .major_version = D3DADAPTER9DRM_MAJOR,
+ .minor_version = D3DADAPTER9DRM_MINOR,
+ .create_adapter = drm_create_adapter
+};
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