Add qemu 2.4.0

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

1 files changed, 252 insertions, 0 deletions

diff --git a/qemu/ui/qemu-pixman.c b/qemu/ui/qemu-pixman.c
new file mode 100644
index 000000000..4116e1507
--- /dev/null
+++ b/qemu/ui/qemu-pixman.c
@@ -0,0 +1,252 @@
+/*
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu-common.h"
+#include "ui/console.h"
+
+PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format)
+{
+    PixelFormat pf;
+    uint8_t bpp;
+
+    bpp = pf.bits_per_pixel = PIXMAN_FORMAT_BPP(format);
+    pf.bytes_per_pixel = PIXMAN_FORMAT_BPP(format) / 8;
+    pf.depth = PIXMAN_FORMAT_DEPTH(format);
+
+    pf.abits = PIXMAN_FORMAT_A(format);
+    pf.rbits = PIXMAN_FORMAT_R(format);
+    pf.gbits = PIXMAN_FORMAT_G(format);
+    pf.bbits = PIXMAN_FORMAT_B(format);
+
+    switch (PIXMAN_FORMAT_TYPE(format)) {
+    case PIXMAN_TYPE_ARGB:
+        pf.ashift = pf.bbits + pf.gbits + pf.rbits;
+        pf.rshift = pf.bbits + pf.gbits;
+        pf.gshift = pf.bbits;
+        pf.bshift = 0;
+        break;
+    case PIXMAN_TYPE_ABGR:
+        pf.ashift = pf.rbits + pf.gbits + pf.bbits;
+        pf.bshift = pf.rbits + pf.gbits;
+        pf.gshift = pf.rbits;
+        pf.rshift = 0;
+        break;
+    case PIXMAN_TYPE_BGRA:
+	pf.bshift = bpp - pf.bbits;
+        pf.gshift = bpp - (pf.bbits + pf.gbits);
+        pf.rshift = bpp - (pf.bbits + pf.gbits + pf.rbits);
+        pf.ashift = 0;
+        break;
+    case PIXMAN_TYPE_RGBA:
+        pf.rshift = bpp - pf.rbits;
+        pf.gshift = bpp - (pf.rbits + pf.gbits);
+        pf.bshift = bpp - (pf.rbits + pf.gbits + pf.bbits);
+        pf.ashift = 0;
+        break;
+    default:
+        g_assert_not_reached();
+        break;
+    }
+
+    pf.amax = (1 << pf.abits) - 1;
+    pf.rmax = (1 << pf.rbits) - 1;
+    pf.gmax = (1 << pf.gbits) - 1;
+    pf.bmax = (1 << pf.bbits) - 1;
+    pf.amask = pf.amax << pf.ashift;
+    pf.rmask = pf.rmax << pf.rshift;
+    pf.gmask = pf.gmax << pf.gshift;
+    pf.bmask = pf.bmax << pf.bshift;
+
+    return pf;
+}
+
+pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian)
+{
+    if (native_endian) {
+        switch (bpp) {
+        case 15:
+            return PIXMAN_x1r5g5b5;
+        case 16:
+            return PIXMAN_r5g6b5;
+        case 24:
+            return PIXMAN_r8g8b8;
+        case 32:
+            return PIXMAN_x8r8g8b8;
+        }
+    } else {
+        switch (bpp) {
+        case 24:
+            return PIXMAN_b8g8r8;
+        case 32:
+            return PIXMAN_b8g8r8x8;
+        break;
+        }
+    }
+    return 0;
+}
+
+int qemu_pixman_get_type(int rshift, int gshift, int bshift)
+{
+    int type = PIXMAN_TYPE_OTHER;
+
+    if (rshift > gshift && gshift > bshift) {
+        if (bshift == 0) {
+            type = PIXMAN_TYPE_ARGB;
+        } else {
+#if PIXMAN_VERSION >= PIXMAN_VERSION_ENCODE(0, 21, 8)
+            type = PIXMAN_TYPE_RGBA;
+#endif
+        }
+    } else if (rshift < gshift && gshift < bshift) {
+        if (rshift == 0) {
+            type = PIXMAN_TYPE_ABGR;
+        } else {
+#if PIXMAN_VERSION >= PIXMAN_VERSION_ENCODE(0, 16, 0)
+            type = PIXMAN_TYPE_BGRA;
+#endif
+        }
+    }
+    return type;
+}
+
+pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf)
+{
+    pixman_format_code_t format;
+    int type;
+
+    type = qemu_pixman_get_type(pf->rshift, pf->gshift, pf->bshift);
+    format = PIXMAN_FORMAT(pf->bits_per_pixel, type,
+                           pf->abits, pf->rbits, pf->gbits, pf->bbits);
+    if (!pixman_format_supported_source(format)) {
+        return 0;
+    }
+    return format;
+}
+
+/*
+ * Return true for known-good pixman conversions.
+ *
+ * UIs using pixman for format conversion can hook this into
+ * DisplayChangeListenerOps->dpy_gfx_check_format
+ */
+bool qemu_pixman_check_format(DisplayChangeListener *dcl,
+                              pixman_format_code_t format)
+{
+    switch (format) {
+    /* 32 bpp */
+    case PIXMAN_x8r8g8b8:
+    case PIXMAN_a8r8g8b8:
+    case PIXMAN_b8g8r8x8:
+    case PIXMAN_b8g8r8a8:
+    /* 24 bpp */
+    case PIXMAN_r8g8b8:
+    case PIXMAN_b8g8r8:
+    /* 16 bpp */
+    case PIXMAN_x1r5g5b5:
+    case PIXMAN_r5g6b5:
+        return true;
+    default:
+        return false;
+    }
+}
+
+pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
+                                           int width)
+{
+    pixman_image_t *image = pixman_image_create_bits(format, width, 1, NULL, 0);
+    assert(image != NULL);
+    return image;
+}
+
+/* fill linebuf from framebuffer */
+void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
+                              int width, int x, int y)
+{
+    pixman_image_composite(PIXMAN_OP_SRC, fb, NULL, linebuf,
+                           x, y, 0, 0, 0, 0, width, 1);
+}
+
+/* copy linebuf to framebuffer */
+void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
+                              pixman_image_t *linebuf)
+{
+    pixman_image_composite(PIXMAN_OP_SRC, linebuf, NULL, fb,
+                           0, 0, 0, 0, x, y, width, 1);
+}
+
+pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
+                                          pixman_image_t *image)
+{
+    pixman_image_t *mirror;
+
+    mirror = pixman_image_create_bits(format,
+                                      pixman_image_get_width(image),
+                                      pixman_image_get_height(image),
+                                      NULL,
+                                      pixman_image_get_stride(image));
+    return mirror;
+}
+
+void qemu_pixman_image_unref(pixman_image_t *image)
+{
+    if (image == NULL) {
+        return;
+    }
+    pixman_image_unref(image);
+}
+
+pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color)
+{
+    pixman_color_t c;
+
+    c.red   = ((color & pf->rmask) >> pf->rshift) << (16 - pf->rbits);
+    c.green = ((color & pf->gmask) >> pf->gshift) << (16 - pf->gbits);
+    c.blue  = ((color & pf->bmask) >> pf->bshift) << (16 - pf->bbits);
+    c.alpha = ((color & pf->amask) >> pf->ashift) << (16 - pf->abits);
+    return c;
+}
+
+pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
+                                               unsigned int ch)
+{
+    pixman_image_t *glyph;
+    uint8_t *data;
+    bool bit;
+    int x, y;
+
+    glyph = pixman_image_create_bits(PIXMAN_a8, 8, height,
+                                     NULL, 0);
+    data = (uint8_t *)pixman_image_get_data(glyph);
+
+    font += height * ch;
+    for (y = 0; y < height; y++, font++) {
+        for (x = 0; x < 8; x++, data++) {
+            bit = (*font) & (1 << (7-x));
+            *data = bit ? 0xff : 0x00;
+        }
+    }
+    return glyph;
+}
+
+void qemu_pixman_glyph_render(pixman_image_t *glyph,
+                              pixman_image_t *surface,
+                              pixman_color_t *fgcol,
+                              pixman_color_t *bgcol,
+                              int x, int y, int cw, int ch)
+{
+    pixman_image_t *ifg = pixman_image_create_solid_fill(fgcol);
+    pixman_image_t *ibg = pixman_image_create_solid_fill(bgcol);
+
+    pixman_image_composite(PIXMAN_OP_SRC, ibg, NULL, surface,
+                           0, 0, 0, 0,
+                           cw * x, ch * y,
+                           cw, ch);
+    pixman_image_composite(PIXMAN_OP_OVER, ifg, glyph, surface,
+                           0, 0, 0, 0,
+                           cw * x, ch * y,
+                           cw, ch);
+    pixman_image_unref(ifg);
+    pixman_image_unref(ibg);
+}