Move the intel vulkan driver to src/intel/vulkan

src/intel/vulkan/anv_util.c

@@ -0,0 +1,195 @@
+/*
+ * 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.
+ */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "anv_private.h"
+
+/** Log an error message.  */
+void anv_printflike(1, 2)
+anv_loge(const char *format, ...)
+{
+   va_list va;
+
+   va_start(va, format);
+   anv_loge_v(format, va);
+   va_end(va);
+}
+
+/** \see anv_loge() */
+void
+anv_loge_v(const char *format, va_list va)
+{
+   fprintf(stderr, "vk: error: ");
+   vfprintf(stderr, format, va);
+   fprintf(stderr, "\n");
+}
+
+void anv_printflike(3, 4)
+__anv_finishme(const char *file, int line, const char *format, ...)
+{
+   va_list ap;
+   char buffer[256];
+
+   va_start(ap, format);
+   vsnprintf(buffer, sizeof(buffer), format, ap);
+   va_end(ap);
+
+   fprintf(stderr, "%s:%d: FINISHME: %s\n", file, line, buffer);
+}
+
+void anv_noreturn anv_printflike(1, 2)
+anv_abortf(const char *format, ...)
+{
+   va_list va;
+
+   va_start(va, format);
+   anv_abortfv(format, va);
+   va_end(va);
+}
+
+void anv_noreturn
+anv_abortfv(const char *format, va_list va)
+{
+   fprintf(stderr, "vk: error: ");
+   vfprintf(stderr, format, va);
+   fprintf(stderr, "\n");
+   abort();
+}
+
+VkResult
+__vk_errorf(VkResult error, const char *file, int line, const char *format, ...)
+{
+   va_list ap;
+   char buffer[256];
+
+#define ERROR_CASE(error) case error: error_str = #error; break;
+
+   const char *error_str;
+   switch ((int32_t)error) {
+
+   /* Core errors */
+   ERROR_CASE(VK_ERROR_OUT_OF_HOST_MEMORY)
+   ERROR_CASE(VK_ERROR_OUT_OF_DEVICE_MEMORY)
+   ERROR_CASE(VK_ERROR_INITIALIZATION_FAILED)
+   ERROR_CASE(VK_ERROR_DEVICE_LOST)
+   ERROR_CASE(VK_ERROR_MEMORY_MAP_FAILED)
+   ERROR_CASE(VK_ERROR_LAYER_NOT_PRESENT)
+   ERROR_CASE(VK_ERROR_EXTENSION_NOT_PRESENT)
+   ERROR_CASE(VK_ERROR_INCOMPATIBLE_DRIVER)
+
+   /* Extension errors */
+   ERROR_CASE(VK_ERROR_OUT_OF_DATE_KHR)
+
+   default:
+      assert(!"Unknown error");
+      error_str = "unknown error";
+   }
+
+#undef ERROR_CASE
+
+   if (format) {
+      va_start(ap, format);
+      vsnprintf(buffer, sizeof(buffer), format, ap);
+      va_end(ap);
+
+      fprintf(stderr, "%s:%d: %s (%s)\n", file, line, buffer, error_str);
+   } else {
+      fprintf(stderr, "%s:%d: %s\n", file, line, error_str);
+   }
+
+   return error;
+}
+
+int
+anv_vector_init(struct anv_vector *vector, uint32_t element_size, uint32_t size)
+{
+   assert(util_is_power_of_two(size));
+   assert(element_size < size && util_is_power_of_two(element_size));
+
+   vector->head = 0;
+   vector->tail = 0;
+   vector->element_size = element_size;
+   vector->size = size;
+   vector->data = malloc(size);
+
+   return vector->data != NULL;
+}
+
+void *
+anv_vector_add(struct anv_vector *vector)
+{
+   uint32_t offset, size, split, tail;
+   void *data;
+
+   if (vector->head - vector->tail == vector->size) {
+      size = vector->size * 2;
+      data = malloc(size);
+      if (data == NULL)
+         return NULL;
+      split = align_u32(vector->tail, vector->size);
+      tail = vector->tail & (vector->size - 1);
+      if (vector->head - split < vector->size) {
+         memcpy(data + tail,
+                vector->data + tail,
+                split - vector->tail);
+         memcpy(data + vector->size,
+                vector->data, vector->head - split);
+      } else {
+         memcpy(data + tail,
+                vector->data + tail,
+                vector->head - vector->tail);
+      }
+      free(vector->data);
+      vector->data = data;
+      vector->size = size;
+   }
+
+   assert(vector->head - vector->tail < vector->size);
+
+   offset = vector->head & (vector->size - 1);
+   vector->head += vector->element_size;
+
+   return vector->data + offset;
+}
+
+void *
+anv_vector_remove(struct anv_vector *vector)
+{
+   uint32_t offset;
+
+   if (vector->head == vector->tail)
+      return NULL;
+
+   assert(vector->head - vector->tail <= vector->size);
+
+   offset = vector->tail & (vector->size - 1);
+   vector->tail += vector->element_size;
+
+   return vector->data + offset;
+}