X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fstate_trackers%2Fegl%2Fcommon%2Fegl_g3d_image.c;h=e6ff100de04fc985d5d3d5f19d1b1d416edd83f6;hb=e179a8bf34022c200deee92d328cb1bae3c3aa4a;hp=b1fe30a776ccb42bd63b55af107bd33870fea166;hpb=870a9d643b1f256e6a379d96a325284dd2f7eeea;p=mesa.git

diff --git a/src/gallium/state_trackers/egl/common/egl_g3d_image.c b/src/gallium/state_trackers/egl/common/egl_g3d_image.c
index b1fe30a776c..e6ff100de04 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d_image.c
+++ b/src/gallium/state_trackers/egl/common/egl_g3d_image.c
@@ -31,12 +31,16 @@
 #include "util/u_rect.h"
 #include "util/u_inlines.h"
 #include "eglcurrent.h"
+#include "egllog.h"
 
 #include "native.h"
 #include "egl_g3d.h"
 #include "egl_g3d_api.h"
 #include "egl_g3d_image.h"
 
+/* for struct winsys_handle */
+#include "state_tracker/drm_driver.h"
+
 /**
  * Reference and return the front left buffer of the native pixmap.
  */
@@ -44,17 +48,11 @@ static struct pipe_resource *
 egl_g3d_reference_native_pixmap(_EGLDisplay *dpy, EGLNativePixmapType pix)
 {
    struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_config *gconf;
    struct native_surface *nsurf;
    struct pipe_resource *textures[NUM_NATIVE_ATTACHMENTS];
    enum native_attachment natt;
 
-   gconf = egl_g3d_config(egl_g3d_find_pixmap_config(dpy, pix));
-   if (!gconf)
-      return NULL;
-
-   nsurf = gdpy->native->create_pixmap_surface(gdpy->native,
-         pix, gconf->native);
+   nsurf = gdpy->native->create_pixmap_surface(gdpy->native, pix, NULL);
    if (!nsurf)
       return NULL;
 
@@ -67,6 +65,120 @@ egl_g3d_reference_native_pixmap(_EGLDisplay *dpy, EGLNativePixmapType pix)
    return textures[natt];
 }
 
+#ifdef EGL_MESA_drm_image
+
+static struct pipe_resource *
+egl_g3d_create_drm_buffer(_EGLDisplay *dpy, _EGLImage *img,
+                          const EGLint *attribs)
+{
+   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+   struct pipe_screen *screen = gdpy->native->screen;
+   struct pipe_resource templ;
+   _EGLImageAttribs attrs;
+   EGLint format, valid_use;
+
+   if (_eglParseImageAttribList(&attrs, dpy, attribs) != EGL_SUCCESS)
+      return NULL;
+
+   if (attrs.Width <= 0 || attrs.Height <= 0) {
+      _eglLog(_EGL_DEBUG, "bad width or height (%dx%d)",
+            attrs.Width, attrs.Height);
+      return NULL;
+   }
+
+   switch (attrs.DRMBufferFormatMESA) {
+   case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
+      format = PIPE_FORMAT_B8G8R8A8_UNORM;
+      break;
+   default:
+      _eglLog(_EGL_DEBUG, "bad image format value 0x%04x",
+            attrs.DRMBufferFormatMESA);
+      return NULL;
+      break;
+   }
+
+   valid_use = EGL_DRM_BUFFER_USE_SCANOUT_MESA |
+               EGL_DRM_BUFFER_USE_SHARE_MESA;
+   if (attrs.DRMBufferUseMESA & ~valid_use) {
+      _eglLog(_EGL_DEBUG, "bad image use bit 0x%04x",
+            attrs.DRMBufferUseMESA);
+      return NULL;
+   }
+
+   memset(&templ, 0, sizeof(templ));
+   templ.target = PIPE_TEXTURE_2D;
+   templ.format = format;
+   templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+   templ.width0 = attrs.Width;
+   templ.height0 = attrs.Height;
+   templ.depth0 = 1;
+
+   /*
+    * XXX fix apps (e.g. wayland) and pipe drivers (e.g. i915) and remove the
+    * size check
+    */
+   if ((attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA) &&
+       attrs.Width >= 640 && attrs.Height >= 480)
+      templ.bind |= PIPE_BIND_SCANOUT;
+   if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
+      templ.bind |= PIPE_BIND_SHARED;
+
+   return screen->resource_create(screen, &templ);
+}
+
+static struct pipe_resource *
+egl_g3d_reference_drm_buffer(_EGLDisplay *dpy, EGLint name,
+                             _EGLImage *img, const EGLint *attribs)
+{
+   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+   struct pipe_resource templ;
+   struct winsys_handle wsh;
+   _EGLImageAttribs attrs;
+   EGLint format;
+
+   if (dpy->Platform != _EGL_PLATFORM_DRM)
+      return NULL;
+
+   if (_eglParseImageAttribList(&attrs, dpy, attribs) != EGL_SUCCESS)
+      return NULL;
+
+   if (attrs.Width <= 0 || attrs.Height <= 0 ||
+       attrs.DRMBufferStrideMESA <= 0) {
+      _eglLog(_EGL_DEBUG, "bad width, height, or stride (%dx%dx%d)",
+            attrs.Width, attrs.Height, attrs.DRMBufferStrideMESA);
+      return NULL;
+   }
+
+   switch (attrs.DRMBufferFormatMESA) {
+   case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
+      format = PIPE_FORMAT_B8G8R8A8_UNORM;
+      break;
+   default:
+      _eglLog(_EGL_DEBUG, "bad image format value 0x%04x",
+            attrs.DRMBufferFormatMESA);
+      return NULL;
+      break;
+   }
+
+   memset(&templ, 0, sizeof(templ));
+   templ.target = PIPE_TEXTURE_2D;
+   templ.format = format;
+   templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+   templ.width0 = attrs.Width;
+   templ.height0 = attrs.Height;
+   templ.depth0 = 1;
+   templ.array_size = 1;
+
+   memset(&wsh, 0, sizeof(wsh));
+   wsh.handle = (unsigned) name;
+   wsh.stride =
+      attrs.DRMBufferStrideMESA * util_format_get_blocksize(templ.format);
+
+   return gdpy->native->buffer->import_buffer(gdpy->native, &templ, &wsh);
+}
+
+#endif /* EGL_MESA_drm_image */
+
 _EGLImage *
 egl_g3d_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
                      EGLenum target, EGLClientBuffer buffer,
@@ -74,15 +186,15 @@ egl_g3d_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
 {
    struct pipe_resource *ptex;
    struct egl_g3d_image *gimg;
-   unsigned face = 0, level = 0, zslice = 0;
+   unsigned level = 0, layer = 0;
 
    gimg = CALLOC_STRUCT(egl_g3d_image);
    if (!gimg) {
-      _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface");
+      _eglError(EGL_BAD_ALLOC, "eglCreateEGLImageKHR");
       return NULL;
    }
 
-   if (!_eglInitImage(&gimg->base, dpy, attribs)) {
+   if (!_eglInitImage(&gimg->base, dpy)) {
       FREE(gimg);
       return NULL;
    }
@@ -92,6 +204,12 @@ egl_g3d_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
       ptex = egl_g3d_reference_native_pixmap(dpy,
             (EGLNativePixmapType) buffer);
       break;
+#ifdef EGL_MESA_drm_image
+   case EGL_DRM_BUFFER_MESA:
+      ptex = egl_g3d_reference_drm_buffer(dpy,
+            (EGLint) buffer, &gimg->base, attribs);
+      break;
+#endif
    default:
       ptex = NULL;
       break;
@@ -108,7 +226,7 @@ egl_g3d_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
       FREE(gimg);
       return NULL;
    }
-   if (zslice > ptex->depth0) {
+   if (layer >= (u_minify(ptex->depth0, level) + ptex->array_size - 1)) {
       _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
       pipe_resource_reference(&gimg->texture, NULL);
       FREE(gimg);
@@ -117,9 +235,8 @@ egl_g3d_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
 
    /* transfer the ownership to the image */
    gimg->texture = ptex;
-   gimg->face = face;
    gimg->level = level;
-   gimg->zslice = zslice;
+   gimg->layer = layer;
 
    return &gimg->base;
 }
@@ -134,3 +251,78 @@ egl_g3d_destroy_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *img)
 
    return EGL_TRUE;
 }
+
+_EGLImage *
+egl_g3d_create_drm_image(_EGLDriver *drv, _EGLDisplay *dpy,
+                         const EGLint *attribs)
+{
+   struct egl_g3d_image *gimg;
+   struct pipe_resource *ptex;
+
+   gimg = CALLOC_STRUCT(egl_g3d_image);
+   if (!gimg) {
+      _eglError(EGL_BAD_ALLOC, "eglCreateDRMImageKHR");
+      return NULL;
+   }
+
+   if (!_eglInitImage(&gimg->base, dpy)) {
+      FREE(gimg);
+      return NULL;
+   }
+
+#ifdef EGL_MESA_drm_image
+   ptex = egl_g3d_create_drm_buffer(dpy, &gimg->base, attribs);
+#else
+   ptex = NULL;
+#endif
+   if (!ptex) {
+      FREE(gimg);
+      return NULL;
+   }
+
+   /* transfer the ownership to the image */
+   gimg->texture = ptex;
+   gimg->level = 0;
+   gimg->layer = 0;
+
+   return &gimg->base;
+}
+
+EGLBoolean
+egl_g3d_export_drm_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *img,
+			 EGLint *name, EGLint *handle, EGLint *stride)
+{
+   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+   struct egl_g3d_image *gimg = egl_g3d_image(img);
+   struct winsys_handle wsh;
+
+   if (dpy->Platform != _EGL_PLATFORM_DRM)
+      return EGL_FALSE;
+
+   /* get shared handle */
+   if (name) {
+      memset(&handle, 0, sizeof(handle));
+      wsh.type = DRM_API_HANDLE_TYPE_SHARED;
+      if (!gdpy->native->buffer->export_buffer(gdpy->native,
+                                               gimg->texture, &wsh))
+         return EGL_FALSE;
+
+      *name = wsh.handle;
+   }
+
+   /* get KMS handle */
+   if (handle || stride) {
+      memset(&wsh, 0, sizeof(wsh));
+      wsh.type = DRM_API_HANDLE_TYPE_KMS;
+      if (!gdpy->native->buffer->export_buffer(gdpy->native,
+                                               gimg->texture, &wsh))
+         return EGL_FALSE;
+
+      if (handle)
+         *handle = wsh.handle;
+      if (stride)
+         *stride = wsh.stride;
+   }
+
+   return EGL_TRUE;
+}