Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 315 insertions, 0 deletions

diff --git a/qemu/pixman/test/alphamap.c b/qemu/pixman/test/alphamap.c
new file mode 100644
index 000000000..4d09076fb
--- /dev/null
+++ b/qemu/pixman/test/alphamap.c
@@ -0,0 +1,315 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "utils.h"
+
+#define WIDTH 48
+#define HEIGHT 48
+
+static const pixman_format_code_t formats[] =
+{
+    PIXMAN_a8r8g8b8,
+    PIXMAN_a2r10g10b10,
+    PIXMAN_a4r4g4b4,
+    PIXMAN_a8
+};
+
+static const pixman_format_code_t alpha_formats[] =
+{
+    PIXMAN_null,
+    PIXMAN_a8,
+    PIXMAN_a2r10g10b10,
+    PIXMAN_a4r4g4b4
+};
+
+static const int origins[] =
+{
+    0, 10, -100
+};
+
+static void
+on_destroy (pixman_image_t *image, void *data)
+{
+    uint32_t *bits = pixman_image_get_data (image);
+
+    fence_free (bits);
+}
+
+static pixman_image_t *
+make_image (pixman_format_code_t format)
+{
+    uint32_t *bits;
+    uint8_t bpp = PIXMAN_FORMAT_BPP (format) / 8;
+    pixman_image_t *image;
+
+    bits = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * bpp);
+
+    image = pixman_image_create_bits (format, WIDTH, HEIGHT, bits, WIDTH * bpp);
+
+    if (image && bits)
+	pixman_image_set_destroy_function (image, on_destroy, NULL);
+
+    return image;
+}
+
+static uint8_t
+get_alpha (pixman_image_t *image, int x, int y, int orig_x, int orig_y)
+{
+    uint8_t *bits;
+    uint8_t r;
+
+    if (image->common.alpha_map)
+    {
+	if (x - orig_x >= 0 && x - orig_x < WIDTH &&
+	    y - orig_y >= 0 && y - orig_y < HEIGHT)
+	{
+	    image = (pixman_image_t *)image->common.alpha_map;
+
+	    x -= orig_x;
+	    y -= orig_y;
+	}
+	else
+	{
+	    return 0;
+	}
+    }
+
+    bits = (uint8_t *)image->bits.bits;
+
+    if (image->bits.format == PIXMAN_a8)
+    {
+	r = bits[y * WIDTH + x];
+    }
+    else if (image->bits.format == PIXMAN_a2r10g10b10)
+    {
+	r = ((uint32_t *)bits)[y * WIDTH + x] >> 30;
+	r |= r << 2;
+	r |= r << 4;
+    }
+    else if (image->bits.format == PIXMAN_a8r8g8b8)
+    {
+	r = ((uint32_t *)bits)[y * WIDTH + x] >> 24;
+    }
+    else if (image->bits.format == PIXMAN_a4r4g4b4)
+    {
+	r = ((uint16_t *)bits)[y * WIDTH + x] >> 12;
+	r |= r << 4;
+    }
+    else
+    {
+	assert (0);
+    }
+
+    return r;
+}
+
+static uint16_t
+get_red (pixman_image_t *image, int x, int y, int orig_x, int orig_y)
+{
+    uint8_t *bits;
+    uint16_t r;
+
+    bits = (uint8_t *)image->bits.bits;
+
+    if (image->bits.format == PIXMAN_a8)
+    {
+	r = 0x00;
+    }
+    else if (image->bits.format == PIXMAN_a2r10g10b10)
+    {
+	r = ((uint32_t *)bits)[y * WIDTH + x] >> 14;
+	r &= 0xffc0;
+	r |= (r >> 10);
+    }
+    else if (image->bits.format == PIXMAN_a8r8g8b8)
+    {
+	r = ((uint32_t *)bits)[y * WIDTH + x] >> 16;
+	r &= 0xff;
+	r |= r << 8;
+    }
+    else if (image->bits.format == PIXMAN_a4r4g4b4)
+    {
+	r = ((uint16_t *)bits)[y * WIDTH + x] >> 8;
+	r &= 0xf;
+	r |= r << 4;
+	r |= r << 8;
+    }
+    else
+    {
+	assert (0);
+    }
+
+    return r;
+}
+
+static int
+run_test (int s, int d, int sa, int da, int soff, int doff)
+{
+    pixman_format_code_t sf = formats[s];
+    pixman_format_code_t df = formats[d];
+    pixman_format_code_t saf = alpha_formats[sa];
+    pixman_format_code_t daf = alpha_formats[da];
+    pixman_image_t *src, *dst, *orig_dst, *alpha, *orig_alpha;
+    pixman_transform_t t1;
+    int j, k;
+    int n_alpha_bits, n_red_bits;
+
+    soff = origins[soff];
+    doff = origins[doff];
+
+    n_alpha_bits = PIXMAN_FORMAT_A (df);
+    if (daf != PIXMAN_null)
+	n_alpha_bits = PIXMAN_FORMAT_A (daf);
+
+    n_red_bits = PIXMAN_FORMAT_R (df);
+
+    /* Source */
+    src = make_image (sf);
+    if (saf != PIXMAN_null)
+    {
+	alpha = make_image (saf);
+	pixman_image_set_alpha_map (src, alpha, soff, soff);
+	pixman_image_unref (alpha);
+    }
+
+    /* Destination */
+    orig_dst = make_image (df);
+    dst = make_image (df);
+    pixman_image_composite (PIXMAN_OP_SRC, orig_dst, NULL, dst,
+			    0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
+
+    if (daf != PIXMAN_null)
+    {
+	orig_alpha = make_image (daf);
+	alpha = make_image (daf);
+
+	pixman_image_composite (PIXMAN_OP_SRC, orig_alpha, NULL, alpha,
+				0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
+
+	pixman_image_set_alpha_map (orig_dst, orig_alpha, doff, doff);
+	pixman_image_set_alpha_map (dst, alpha, doff, doff);
+
+	pixman_image_unref (orig_alpha);
+	pixman_image_unref (alpha);
+    }
+
+    /* Transformations, repeats and filters on destinations should be ignored,
+     * so just set some random ones.
+     */
+    pixman_transform_init_identity (&t1);
+    pixman_transform_scale (&t1, NULL, pixman_int_to_fixed (100), pixman_int_to_fixed (11));
+    pixman_transform_rotate (&t1, NULL, pixman_double_to_fixed (0.5), pixman_double_to_fixed (0.11));
+    pixman_transform_translate (&t1, NULL, pixman_int_to_fixed (11), pixman_int_to_fixed (17));
+
+    pixman_image_set_transform (dst, &t1);
+    pixman_image_set_filter (dst, PIXMAN_FILTER_BILINEAR, NULL, 0);
+    pixman_image_set_repeat (dst, PIXMAN_REPEAT_REFLECT);
+
+    pixman_image_composite (PIXMAN_OP_ADD, src, NULL, dst,
+			    0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
+
+    for (j = MAX (doff, 0); j < MIN (HEIGHT, HEIGHT + doff); ++j)
+    {
+	for (k = MAX (doff, 0); k < MIN (WIDTH, WIDTH + doff); ++k)
+	{
+	    uint8_t sa, da, oda, refa;
+	    uint16_t sr, dr, odr, refr;
+
+	    sa = get_alpha (src, k, j, soff, soff);
+	    da = get_alpha (dst, k, j, doff, doff);
+	    oda = get_alpha (orig_dst, k, j, doff, doff);
+
+	    if (sa + oda > 255)
+		refa = 255;
+	    else
+		refa = sa + oda;
+
+	    if (da >> (8 - n_alpha_bits) != refa >> (8 - n_alpha_bits))
+	    {
+		printf ("\nWrong alpha value at (%d, %d). Should be 0x%x; got 0x%x. Source was 0x%x, original dest was 0x%x\n",
+			k, j, refa, da, sa, oda);
+
+		printf ("src: %s, alpha: %s, origin %d %d\ndst: %s, alpha: %s, origin: %d %d\n\n",
+			format_name (sf),
+			format_name (saf),
+			soff, soff,
+			format_name (df),
+			format_name (daf),
+			doff, doff);
+		return 1;
+	    }
+
+	    /* There are cases where we go through the 8 bit compositing
+	     * path even with 10bpc formats. This results in incorrect
+	     * results here, so only do the red check for narrow formats
+	     */
+	    if (n_red_bits <= 8)
+	    {
+		sr = get_red (src, k, j, soff, soff);
+		dr = get_red (dst, k, j, doff, doff);
+		odr = get_red (orig_dst, k, j, doff, doff);
+
+		if (sr + odr > 0xffff)
+		    refr = 0xffff;
+		else
+		    refr = sr + odr;
+
+		if (abs ((dr >> (16 - n_red_bits)) - (refr >> (16 - n_red_bits))) > 1)
+		{
+		    printf ("%d red bits\n", n_red_bits);
+		    printf ("\nWrong red value at (%d, %d). Should be 0x%x; got 0x%x. Source was 0x%x, original dest was 0x%x\n",
+			    k, j, refr, dr, sr, odr);
+
+		    printf ("src: %s, alpha: %s, origin %d %d\ndst: %s, alpha: %s, origin: %d %d\n\n",
+			    format_name (sf),
+			    format_name (saf),
+			    soff, soff,
+			    format_name (df),
+			    format_name (daf),
+			    doff, doff);
+		    return 1;
+		}
+	    }
+	}
+    }
+
+    pixman_image_set_alpha_map (src, NULL, 0, 0);
+    pixman_image_set_alpha_map (dst, NULL, 0, 0);
+    pixman_image_set_alpha_map (orig_dst, NULL, 0, 0);
+
+    pixman_image_unref (src);
+    pixman_image_unref (dst);
+    pixman_image_unref (orig_dst);
+
+    return 0;
+}
+
+int
+main (int argc, char **argv)
+{
+    int i, j, a, b, x, y;
+
+    prng_srand (0);
+
+    for (i = 0; i < ARRAY_LENGTH (formats); ++i)
+    {
+	for (j = 0; j < ARRAY_LENGTH (formats); ++j)
+	{
+	    for (a = 0; a < ARRAY_LENGTH (alpha_formats); ++a)
+	    {
+		for (b = 0; b < ARRAY_LENGTH (alpha_formats); ++b)
+		{
+		    for (x = 0; x < ARRAY_LENGTH (origins); ++x)
+		    {
+			for (y = 0; y < ARRAY_LENGTH (origins); ++y)
+			{
+			    if (run_test (i, j, a, b, x, y) != 0)
+				return 1;
+			}
+		    }
+		}
+	    }
+	}
+    }
+
+    return 0;
+}