From: Varad Gautam <varad.gau...@collabora.com>

EGL_EXT_image_dma_buf_import_modifiers supports importing upto four dmabuf
planes into an EGLImage.

Signed-off-by: Varad Gautam <varad.gau...@collabora.com>
---
 libweston/gl-renderer.c    | 17 ++++++++++++++++-
 libweston/weston-egl-ext.h |  5 +++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/libweston/gl-renderer.c b/libweston/gl-renderer.c
index 31caf33..de03f51 100644
--- a/libweston/gl-renderer.c
+++ b/libweston/gl-renderer.c
@@ -1558,7 +1558,7 @@ import_simple_dmabuf(struct gl_renderer *gr,
                      struct dmabuf_attributes *attributes)
 {
        struct egl_image *image;
-       EGLint attribs[40];
+       EGLint attribs[50];
        int atti = 0;
 
        /* This requires the Mesa commit in
@@ -1621,6 +1621,21 @@ import_simple_dmabuf(struct gl_renderer *gr,
                }
        }
 
+       if (gr->has_dmabuf_import_modifiers) {
+               if (attributes->n_planes > 3) {
+                       attribs[atti++] = EGL_DMA_BUF_PLANE3_FD_EXT;
+                       attribs[atti++] = attributes->fd[3];
+                       attribs[atti++] = EGL_DMA_BUF_PLANE3_OFFSET_EXT;
+                       attribs[atti++] = attributes->offset[3];
+                       attribs[atti++] = EGL_DMA_BUF_PLANE2_PITCH_EXT;
+                       attribs[atti++] = attributes->stride[3];
+                       attribs[atti++] = EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT;
+                       attribs[atti++] = attributes->modifier[3] & 0xFFFFFFFF;
+                       attribs[atti++] = EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT;
+                       attribs[atti++] = attributes->modifier[3] >> 32;
+               }
+       }
+
        attribs[atti++] = EGL_NONE;
 
        image = egl_image_create(gr, EGL_LINUX_DMA_BUF_EXT, NULL,
diff --git a/libweston/weston-egl-ext.h b/libweston/weston-egl-ext.h
index 05eca31..ffea438 100644
--- a/libweston/weston-egl-ext.h
+++ b/libweston/weston-egl-ext.h
@@ -128,12 +128,17 @@ typedef struct wl_buffer * (EGLAPIENTRYP 
PFNEGLCREATEWAYLANDBUFFERFROMIMAGEWL) (
 /* Define tokens from EGL_EXT_image_dma_buf_import_modifiers */
 #ifndef EGL_EXT_image_dma_buf_import_modifiers
 #define EGL_EXT_image_dma_buf_import_modifiers 1
+#define EGL_DMA_BUF_PLANE3_FD_EXT         0x3440
+#define EGL_DMA_BUF_PLANE3_OFFSET_EXT     0x3441
+#define EGL_DMA_BUF_PLANE3_PITCH_EXT      0x3442
 #define EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT 0x3443
 #define EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT 0x3444
 #define EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT 0x3445
 #define EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT 0x3446
 #define EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT 0x3447
 #define EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT 0x3448
+#define EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT 0x3449
+#define EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT 0x344A
 typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDMABUFFORMATSEXTPROC) (EGLDisplay 
dpy, EGLint max_formats, EGLint *formats, EGLint *num_formats);
 typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDMABUFMODIFIERSEXTPROC) 
(EGLDisplay dpy, EGLint format, EGLint max_modifiers, EGLuint64KHR *modifiers, 
EGLBoolean *external_only, EGLint *num_modifiers);
 #endif
-- 
2.6.2

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