diff options
Diffstat (limited to 'qemu/ui/qemu-pixman.c')
| -rw-r--r-- | qemu/ui/qemu-pixman.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/qemu/ui/qemu-pixman.c b/qemu/ui/qemu-pixman.c deleted file mode 100644 index c9f8dce7f..000000000 --- a/qemu/ui/qemu-pixman.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - * 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/osdep.h" -#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); -} |