* See the COPYING file in the top-level directory.
*/
-#include "ui/qemu-pixman.h"
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "ui/console.h"
+#include "standard-headers/drm/drm_fourcc.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;
+}
+
+/* Note: drm is little endian, pixman is native endian */
+pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format)
+{
+ static const struct {
+ uint32_t drm_format;
+ pixman_format_code_t pixman;
+ } map[] = {
+ { DRM_FORMAT_RGB888, PIXMAN_LE_r8g8b8 },
+ { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 },
+ { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 }
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(map); i++) {
+ if (drm_format == map[i].drm_format) {
+ return map[i].pixman;
+ }
+ }
+ return 0;
+}
int qemu_pixman_get_type(int rshift, int gshift, int 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;
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)
{
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)
{
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;
+ return pixman_image_create_bits(format,
+ pixman_image_get_width(image),
+ pixman_image_get_height(image),
+ NULL,
+ pixman_image_get_stride(image));
}
void qemu_pixman_image_unref(pixman_image_t *image)
}
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);
+}
projects / mirror_qemu.git / blobdiff