From 2388e30bd5ef01ab67d6be769743da3e830f59c4 Mon Sep 17 00:00:00 2001
From: Shinyzenith <aakashsensharma@gmail.com>
Date: Tue, 11 Jul 2023 18:07:26 +0530
Subject: libscenefx and tinywl compilation success

Signed-off-by: Shinyzenith <aakashsensharma@gmail.com>
---
 render/pixel_format.c | 178 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 178 insertions(+)
 create mode 100644 render/pixel_format.c

(limited to 'render/pixel_format.c')

diff --git a/render/pixel_format.c b/render/pixel_format.c
new file mode 100644
index 0000000..46bcecf
--- /dev/null
+++ b/render/pixel_format.c
@@ -0,0 +1,178 @@
+#include "render/pixel_format.h"
+#include <drm_fourcc.h>
+
+static const struct wlr_pixel_format_info pixel_format_info[] = {
+    {
+        .drm_format = DRM_FORMAT_XRGB8888,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 32,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_ARGB8888,
+        .opaque_substitute = DRM_FORMAT_XRGB8888,
+        .bpp = 32,
+        .has_alpha = true,
+    },
+    {
+        .drm_format = DRM_FORMAT_XBGR8888,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 32,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_ABGR8888,
+        .opaque_substitute = DRM_FORMAT_XBGR8888,
+        .bpp = 32,
+        .has_alpha = true,
+    },
+    {
+        .drm_format = DRM_FORMAT_RGBX8888,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 32,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_RGBA8888,
+        .opaque_substitute = DRM_FORMAT_RGBX8888,
+        .bpp = 32,
+        .has_alpha = true,
+    },
+    {
+        .drm_format = DRM_FORMAT_BGRX8888,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 32,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_BGRA8888,
+        .opaque_substitute = DRM_FORMAT_BGRX8888,
+        .bpp = 32,
+        .has_alpha = true,
+    },
+    {
+        .drm_format = DRM_FORMAT_BGR888,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 24,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_RGBX4444,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 16,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_RGBA4444,
+        .opaque_substitute = DRM_FORMAT_RGBX4444,
+        .bpp = 16,
+        .has_alpha = true,
+    },
+    {
+        .drm_format = DRM_FORMAT_RGBX5551,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 16,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_RGBA5551,
+        .opaque_substitute = DRM_FORMAT_RGBX5551,
+        .bpp = 16,
+        .has_alpha = true,
+    },
+    {
+        .drm_format = DRM_FORMAT_RGB565,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 16,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_BGR565,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 16,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_XRGB2101010,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 32,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_ARGB2101010,
+        .opaque_substitute = DRM_FORMAT_XRGB2101010,
+        .bpp = 32,
+        .has_alpha = true,
+    },
+    {
+        .drm_format = DRM_FORMAT_XBGR2101010,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 32,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_ABGR2101010,
+        .opaque_substitute = DRM_FORMAT_XBGR2101010,
+        .bpp = 32,
+        .has_alpha = true,
+    },
+    {
+        .drm_format = DRM_FORMAT_XBGR16161616F,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 64,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_ABGR16161616F,
+        .opaque_substitute = DRM_FORMAT_XBGR16161616F,
+        .bpp = 64,
+        .has_alpha = true,
+    },
+    {
+        .drm_format = DRM_FORMAT_XBGR16161616,
+        .opaque_substitute = DRM_FORMAT_INVALID,
+        .bpp = 64,
+        .has_alpha = false,
+    },
+    {
+        .drm_format = DRM_FORMAT_ABGR16161616,
+        .opaque_substitute = DRM_FORMAT_XBGR16161616,
+        .bpp = 64,
+        .has_alpha = true,
+    },
+};
+
+static const size_t pixel_format_info_size =
+    sizeof(pixel_format_info) / sizeof(pixel_format_info[0]);
+
+const struct wlr_pixel_format_info *drm_get_pixel_format_info(uint32_t fmt) {
+  for (size_t i = 0; i < pixel_format_info_size; ++i) {
+    if (pixel_format_info[i].drm_format == fmt) {
+      return &pixel_format_info[i];
+    }
+  }
+
+  return NULL;
+}
+
+uint32_t convert_wl_shm_format_to_drm(enum wl_shm_format fmt) {
+  switch (fmt) {
+  case WL_SHM_FORMAT_XRGB8888:
+    return DRM_FORMAT_XRGB8888;
+  case WL_SHM_FORMAT_ARGB8888:
+    return DRM_FORMAT_ARGB8888;
+  default:
+    return (uint32_t)fmt;
+  }
+}
+
+enum wl_shm_format convert_drm_format_to_wl_shm(uint32_t fmt) {
+  switch (fmt) {
+  case DRM_FORMAT_XRGB8888:
+    return WL_SHM_FORMAT_XRGB8888;
+  case DRM_FORMAT_ARGB8888:
+    return WL_SHM_FORMAT_ARGB8888;
+  default:
+    return (enum wl_shm_format)fmt;
+  }
+}
-- 
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