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From df989559119707094b17269d025bcdf83df765f1 Mon Sep 17 00:00:00 2001
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From: Tarun Gupta <tgupta@redhat.com>
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Date: Wed, 20 Jun 2018 18:54:17 +0200
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Subject: [PATCH 09/17] ui/pixman: add qemu_drm_format_to_pixman()
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RH-Author: Tarun Gupta <tgupta@redhat.com>
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Message-id: <1529520865-18127-4-git-send-email-tgupta@redhat.com>
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Patchwork-id: 80911
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O-Subject: [RHEL7.6 qemu-kvm PATCH v3 03/11] ui/pixman: add qemu_drm_format_to_pixman()
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Bugzilla: 1555246
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RH-Acked-by: Alex Williamson <alex.williamson@redhat.com>
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RH-Acked-by: Gerd Hoffmann <kraxel@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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Map drm fourcc codes to pixman formats.
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
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Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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(cherry picked from a5127bd73f77b90b50d63014be10cef467c1c3f9)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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include/ui/qemu-pixman.h | 6 ++++++
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ui/qemu-pixman.c | 22 ++++++++++++++++++++++
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2 files changed, 28 insertions(+)
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diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h
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index 500725c..8deb008 100644
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--- a/include/ui/qemu-pixman.h
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+++ b/include/ui/qemu-pixman.h
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@@ -27,9 +27,13 @@
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#ifdef HOST_WORDS_BIGENDIAN
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# define PIXMAN_BE_r8g8b8 PIXMAN_r8g8b8
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+# define PIXMAN_LE_r8g8b8 PIXMAN_b8g8r8
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+# define PIXMAN_LE_a8r8g8b8 PIXMAN_b8g8r8a8
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# define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8
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#else
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# define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8
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+# define PIXMAN_LE_r8g8b8 PIXMAN_r8g8b8
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+# define PIXMAN_LE_a8r8g8b8 PIXMAN_a8r8g8b8
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# define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8
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#endif
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@@ -46,6 +50,8 @@ pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
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pixman_image_t *image);
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void qemu_pixman_image_unref(pixman_image_t *image);
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+pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format);
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+
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pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color);
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pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
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unsigned int ch);
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diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c
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index 254bd8c..4be422c 100644
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--- a/ui/qemu-pixman.c
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+++ b/ui/qemu-pixman.c
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@@ -5,6 +5,28 @@
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#include "qemu-common.h"
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#include "ui/console.h"
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+#include "drm_fourcc.h"
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+
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+/* Note: drm is little endian, pixman is native endian */
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+pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format)
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+{
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+ static const struct {
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+ uint32_t drm_format;
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+ pixman_format_code_t pixman;
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+ } map[] = {
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+ { DRM_FORMAT_RGB888, PIXMAN_LE_r8g8b8 },
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+ { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 },
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+ { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 }
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+ };
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+ int i;
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+
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+ for (i = 0; i < ARRAY_SIZE(map); i++) {
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+ if (drm_format == map[i].drm_format) {
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+ return map[i].pixman;
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+ }
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+ }
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+ return 0;
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+}
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int qemu_pixman_get_type(int rshift, int gshift, int bshift)
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{
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--
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1.8.3.1
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