summaryrefslogtreecommitdiffstats
path: root/src/intel/vulkan/anv_gem_stubs.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/intel/vulkan/anv_gem_stubs.c')
-rw-r--r--src/intel/vulkan/anv_gem_stubs.c159
1 files changed, 159 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_gem_stubs.c b/src/intel/vulkan/anv_gem_stubs.c
new file mode 100644
index 0000000..3204fef
--- /dev/null
+++ b/src/intel/vulkan/anv_gem_stubs.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright © 2015 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.
+ */
+
+#define _DEFAULT_SOURCE
+
+#include <linux/memfd.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+
+#include "anv_private.h"
+
+static inline int
+memfd_create(const char *name, unsigned int flags)
+{
+ return syscall(SYS_memfd_create, name, flags);
+}
+
+uint32_t
+anv_gem_create(struct anv_device *device, size_t size)
+{
+ int fd = memfd_create("fake bo", MFD_CLOEXEC);
+ if (fd == -1)
+ return 0;
+
+ assert(fd != 0);
+
+ if (ftruncate(fd, size) == -1)
+ return 0;
+
+ return fd;
+}
+
+void
+anv_gem_close(struct anv_device *device, uint32_t gem_handle)
+{
+ close(gem_handle);
+}
+
+void*
+anv_gem_mmap(struct anv_device *device, uint32_t gem_handle,
+ uint64_t offset, uint64_t size, uint32_t flags)
+{
+ /* Ignore flags, as they're specific to I915_GEM_MMAP. */
+ (void) flags;
+
+ return mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ gem_handle, offset);
+}
+
+/* This is just a wrapper around munmap, but it also notifies valgrind that
+ * this map is no longer valid. Pair this with anv_gem_mmap().
+ */
+void
+anv_gem_munmap(void *p, uint64_t size)
+{
+ munmap(p, size);
+}
+
+uint32_t
+anv_gem_userptr(struct anv_device *device, void *mem, size_t size)
+{
+ return -1;
+}
+
+int
+anv_gem_wait(struct anv_device *device, uint32_t gem_handle, int64_t *timeout_ns)
+{
+ return 0;
+}
+
+int
+anv_gem_execbuffer(struct anv_device *device,
+ struct drm_i915_gem_execbuffer2 *execbuf)
+{
+ return 0;
+}
+
+int
+anv_gem_set_tiling(struct anv_device *device,
+ uint32_t gem_handle, uint32_t stride, uint32_t tiling)
+{
+ return 0;
+}
+
+int
+anv_gem_set_caching(struct anv_device *device, uint32_t gem_handle,
+ uint32_t caching)
+{
+ return 0;
+}
+
+int
+anv_gem_set_domain(struct anv_device *device, uint32_t gem_handle,
+ uint32_t read_domains, uint32_t write_domain)
+{
+ return 0;
+}
+
+int
+anv_gem_get_param(int fd, uint32_t param)
+{
+ unreachable("Unused");
+}
+
+bool
+anv_gem_get_bit6_swizzle(int fd, uint32_t tiling)
+{
+ unreachable("Unused");
+}
+
+int
+anv_gem_create_context(struct anv_device *device)
+{
+ unreachable("Unused");
+}
+
+int
+anv_gem_destroy_context(struct anv_device *device, int context)
+{
+ unreachable("Unused");
+}
+
+int
+anv_gem_get_aperture(int fd, uint64_t *size)
+{
+ unreachable("Unused");
+}
+
+int
+anv_gem_handle_to_fd(struct anv_device *device, uint32_t gem_handle)
+{
+ unreachable("Unused");
+}
+
+uint32_t
+anv_gem_fd_to_handle(struct anv_device *device, int fd)
+{
+ unreachable("Unused");
+}