Add qemu 2.4.0

[kvmfornfv.git] / qemu / pixman / pixman / pixman-noop.c

diff --git a/qemu/pixman/pixman/pixman-noop.c b/qemu/pixman/pixman/pixman-noop.c
new file mode 100644 (file)
index 0000000..e598904
--- /dev/null
+++ b/qemu/pixman/pixman/pixman-noop.c
@@ -0,0 +1,161 @@
+/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */
+/*
+ * Copyright © 2011 Red Hat, Inc.
+ *
+ * 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.
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <string.h>
+#include <stdlib.h>
+#include "pixman-private.h"
+#include "pixman-combine32.h"
+#include "pixman-inlines.h"
+
+static void
+noop_composite (pixman_implementation_t *imp,
+               pixman_composite_info_t *info)
+{
+    return;
+}
+
+static uint32_t *
+noop_get_scanline (pixman_iter_t *iter, const uint32_t *mask)
+{
+    uint32_t *result = iter->buffer;
+
+    iter->buffer += iter->image->bits.rowstride;
+
+    return result;
+}
+
+static void
+noop_init_solid_narrow (pixman_iter_t *iter,
+                       const pixman_iter_info_t *info)
+{ 
+    pixman_image_t *image = iter->image;
+    uint32_t *buffer = iter->buffer;
+    uint32_t *end = buffer + iter->width;
+    uint32_t color;
+
+    if (iter->image->type == SOLID)
+       color = image->solid.color_32;
+    else
+       color = image->bits.fetch_pixel_32 (&image->bits, 0, 0);
+
+    while (buffer < end)
+       *(buffer++) = color;
+}
+
+static void
+noop_init_solid_wide (pixman_iter_t *iter,
+                     const pixman_iter_info_t *info)
+{
+    pixman_image_t *image = iter->image;
+    argb_t *buffer = (argb_t *)iter->buffer;
+    argb_t *end = buffer + iter->width;
+    argb_t color;
+
+    if (iter->image->type == SOLID)
+       color = image->solid.color_float;
+    else
+       color = image->bits.fetch_pixel_float (&image->bits, 0, 0);
+
+    while (buffer < end)
+       *(buffer++) = color;
+}
+
+static void
+noop_init_direct_buffer (pixman_iter_t *iter, const pixman_iter_info_t *info)
+{
+    pixman_image_t *image = iter->image;
+
+    iter->buffer =
+       image->bits.bits + iter->y * image->bits.rowstride + iter->x;
+}
+
+static void
+dest_write_back_direct (pixman_iter_t *iter)
+{
+    iter->buffer += iter->image->bits.rowstride;
+}
+
+static const pixman_iter_info_t noop_iters[] =
+{
+    /* Source iters */
+    { PIXMAN_any,
+      0, ITER_IGNORE_ALPHA | ITER_IGNORE_RGB | ITER_SRC,
+      NULL,
+      _pixman_iter_get_scanline_noop,
+      NULL
+    },
+    { PIXMAN_solid,
+      FAST_PATH_NO_ALPHA_MAP, ITER_NARROW | ITER_SRC,
+      noop_init_solid_narrow,
+      _pixman_iter_get_scanline_noop,
+      NULL,
+    },
+    { PIXMAN_solid,
+      FAST_PATH_NO_ALPHA_MAP, ITER_WIDE | ITER_SRC,
+      noop_init_solid_wide,
+      _pixman_iter_get_scanline_noop,
+      NULL
+    },
+    { PIXMAN_a8r8g8b8,
+      FAST_PATH_STANDARD_FLAGS | FAST_PATH_ID_TRANSFORM |
+          FAST_PATH_BITS_IMAGE | FAST_PATH_SAMPLES_COVER_CLIP_NEAREST,
+      ITER_NARROW | ITER_SRC,
+      noop_init_direct_buffer,
+      noop_get_scanline,
+      NULL
+    },
+    /* Dest iters */
+    { PIXMAN_a8r8g8b8,
+      FAST_PATH_STD_DEST_FLAGS, ITER_NARROW | ITER_DEST,
+      noop_init_direct_buffer,
+      _pixman_iter_get_scanline_noop,
+      dest_write_back_direct
+    },
+    { PIXMAN_x8r8g8b8,
+      FAST_PATH_STD_DEST_FLAGS, ITER_NARROW | ITER_DEST | ITER_LOCALIZED_ALPHA,
+      noop_init_direct_buffer,
+      _pixman_iter_get_scanline_noop,
+      dest_write_back_direct
+    },
+    { PIXMAN_null },
+};
+
+static const pixman_fast_path_t noop_fast_paths[] =
+{
+    { PIXMAN_OP_DST, PIXMAN_any, 0, PIXMAN_any, 0, PIXMAN_any, 0, noop_composite },
+    { PIXMAN_OP_NONE },
+};
+
+pixman_implementation_t *
+_pixman_implementation_create_noop (pixman_implementation_t *fallback)
+{
+    pixman_implementation_t *imp =
+       _pixman_implementation_create (fallback, noop_fast_paths);
+ 
+    imp->iter_info = noop_iters;
+
+    return imp;
+}