[Mesa-dev] [PATCH] st/mesa: don't use pipe_surface for passing information about EGLImage

Marek Olšák maraeo at gmail.com
Fri Sep 29 21:28:02 UTC 2017


From: Marek Olšák <marek.olsak at amd.com>

Use st_egl_image instead. radeonsi doesn't like when we create
a pipe_surface with PIPE_FORMAT_NV12.

This fixes NV12 texturing on radeonsi using kmscube.

Cc: 17.1 17.2 <mesa-stable at lists.freedesktop.org>
---
 src/mesa/state_tracker/st_cb_eglimage.c | 96 +++++++++++++++++----------------
 1 file changed, 50 insertions(+), 46 deletions(-)

diff --git a/src/mesa/state_tracker/st_cb_eglimage.c b/src/mesa/state_tracker/st_cb_eglimage.c
index 4b7b85d..cca2c02 100644
--- a/src/mesa/state_tracker/st_cb_eglimage.c
+++ b/src/mesa/state_tracker/st_cb_eglimage.c
@@ -63,60 +63,49 @@ is_format_supported(struct pipe_screen *screen, enum pipe_format format,
                      screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM,
                                                  PIPE_TEXTURE_2D, nr_samples,
                                                  usage);
       }
    }
 
    return supported;
 }
 
 /**
- * Return the surface of an EGLImage.
- * FIXME: I think this should operate on resources, not surfaces
+ * Return the gallium texture of an EGLImage.
  */
-static struct pipe_surface *
-st_egl_image_get_surface(struct gl_context *ctx, GLeglImageOES image_handle,
-                         unsigned usage, const char *error)
+static bool
+st_get_egl_image(struct gl_context *ctx, GLeglImageOES image_handle,
+                 unsigned usage, const char *error, struct st_egl_image *out)
 {
    struct st_context *st = st_context(ctx);
    struct pipe_screen *screen = st->pipe->screen;
    struct st_manager *smapi =
       (struct st_manager *) st->iface.st_context_private;
-   struct st_egl_image stimg;
-   struct pipe_surface *ps, surf_tmpl;
 
    if (!smapi || !smapi->get_egl_image)
-      return NULL;
+      return false;
 
-   memset(&stimg, 0, sizeof(stimg));
-   if (!smapi->get_egl_image(smapi, (void *) image_handle, &stimg)) {
+   memset(out, 0, sizeof(*out));
+   if (!smapi->get_egl_image(smapi, (void *) image_handle, out)) {
       /* image_handle does not refer to a valid EGL image object */
       _mesa_error(ctx, GL_INVALID_VALUE, "%s(image handle not found)", error);
-      return NULL;
+      return false;
    }
 
-   if (!is_format_supported(screen, stimg.format, stimg.texture->nr_samples, usage)) {
+   if (!is_format_supported(screen, out->format, out->texture->nr_samples, usage)) {
       /* unable to specify a texture object using the specified EGL image */
-      pipe_resource_reference(&stimg.texture, NULL);
+      pipe_resource_reference(&out->texture, NULL);
       _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format not supported)", error);
-      return NULL;
+      return false;
    }
 
-   u_surface_default_template(&surf_tmpl, stimg.texture);
-   surf_tmpl.format = stimg.format;
-   surf_tmpl.u.tex.level = stimg.level;
-   surf_tmpl.u.tex.first_layer = stimg.layer;
-   surf_tmpl.u.tex.last_layer = stimg.layer;
-   ps = st->pipe->create_surface(st->pipe, stimg.texture, &surf_tmpl);
-   pipe_resource_reference(&stimg.texture, NULL);
-
-   return ps;
+   return true;
 }
 
 /**
  * Return the base format just like _mesa_base_fbo_format does.
  */
 static GLenum
 st_pipe_format_to_base_format(enum pipe_format format)
 {
    GLenum base_format;
 
@@ -141,116 +130,131 @@ st_pipe_format_to_base_format(enum pipe_format format)
 
    return base_format;
 }
 
 static void
 st_egl_image_target_renderbuffer_storage(struct gl_context *ctx,
 					 struct gl_renderbuffer *rb,
 					 GLeglImageOES image_handle)
 {
    struct st_renderbuffer *strb = st_renderbuffer(rb);
-   struct pipe_surface *ps;
+   struct st_egl_image stimg;
+
+   if (st_get_egl_image(ctx, image_handle, PIPE_BIND_RENDER_TARGET,
+                        "glEGLImageTargetRenderbufferStorage",
+                        &stimg)) {
+      struct pipe_context *pipe = st_context(ctx)->pipe;
+      struct pipe_surface *ps, surf_tmpl;
+
+      u_surface_default_template(&surf_tmpl, stimg.texture);
+      surf_tmpl.format = stimg.format;
+      surf_tmpl.u.tex.level = stimg.level;
+      surf_tmpl.u.tex.first_layer = stimg.layer;
+      surf_tmpl.u.tex.last_layer = stimg.layer;
+      ps = pipe->create_surface(pipe, stimg.texture, &surf_tmpl);
+      pipe_resource_reference(&stimg.texture, NULL);
+
+      if (!ps)
+         return;
 
-   ps = st_egl_image_get_surface(ctx, image_handle, PIPE_BIND_RENDER_TARGET,
-				 "glEGLImageTargetRenderbufferStorage");
-   if (ps) {
       strb->Base.Width = ps->width;
       strb->Base.Height = ps->height;
       strb->Base.Format = st_pipe_format_to_mesa_format(ps->format);
       strb->Base._BaseFormat = st_pipe_format_to_base_format(ps->format);
       strb->Base.InternalFormat = strb->Base._BaseFormat;
 
       struct pipe_surface **psurf =
          util_format_is_srgb(ps->format) ? &strb->surface_srgb :
                                            &strb->surface_linear;
 
       pipe_surface_reference(psurf, ps);
       strb->surface = *psurf;
       pipe_resource_reference(&strb->texture, ps->texture);
 
       pipe_surface_reference(&ps, NULL);
    }
 }
 
 static void
-st_bind_surface(struct gl_context *ctx, GLenum target,
-                struct gl_texture_object *texObj,
-                struct gl_texture_image *texImage,
-                struct pipe_surface *ps)
+st_bind_egl_image(struct gl_context *ctx,
+                  struct gl_texture_object *texObj,
+                  struct gl_texture_image *texImage,
+                  struct st_egl_image *stimg)
 {
    struct st_context *st = st_context(ctx);
    struct st_texture_object *stObj;
    struct st_texture_image *stImage;
    GLenum internalFormat;
    mesa_format texFormat;
 
    /* map pipe format to base format */
-   if (util_format_get_component_bits(ps->format, UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
+   if (util_format_get_component_bits(stimg->format,
+                                      UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
       internalFormat = GL_RGBA;
    else
       internalFormat = GL_RGB;
 
    stObj = st_texture_object(texObj);
    stImage = st_texture_image(texImage);
 
    /* switch to surface based */
    if (!stObj->surface_based) {
       _mesa_clear_texture_object(ctx, texObj);
       stObj->surface_based = GL_TRUE;
    }
 
-   texFormat = st_pipe_format_to_mesa_format(ps->format);
+   texFormat = st_pipe_format_to_mesa_format(stimg->format);
 
    /* TODO RequiredTextureImageUnits should probably be reset back
     * to 1 somewhere if different texture is bound??
     */
    if (texFormat == MESA_FORMAT_NONE) {
-      switch (ps->format) {
+      switch (stimg->format) {
       case PIPE_FORMAT_NV12:
          texFormat = MESA_FORMAT_R_UNORM8;
          texObj->RequiredTextureImageUnits = 2;
          break;
       case PIPE_FORMAT_IYUV:
          texFormat = MESA_FORMAT_R_UNORM8;
          texObj->RequiredTextureImageUnits = 3;
          break;
       default:
          unreachable("bad YUV format!");
       }
    }
 
    _mesa_init_teximage_fields(ctx, texImage,
-                              ps->width, ps->height, 1, 0, internalFormat,
-                              texFormat);
+                              stimg->texture->width0, stimg->texture->height0,
+                              1, 0, internalFormat, texFormat);
 
-   /* FIXME create a non-default sampler view from the pipe_surface? */
-   pipe_resource_reference(&stObj->pt, ps->texture);
+   /* FIXME create a non-default sampler view from the stimg? */
+   pipe_resource_reference(&stObj->pt, stimg->texture);
    st_texture_release_all_sampler_views(st, stObj);
    pipe_resource_reference(&stImage->pt, stObj->pt);
 
-   stObj->surface_format = ps->format;
+   stObj->surface_format = stimg->format;
 
    _mesa_dirty_texobj(ctx, texObj);
 }
 
 static void
 st_egl_image_target_texture_2d(struct gl_context *ctx, GLenum target,
 			       struct gl_texture_object *texObj,
 			       struct gl_texture_image *texImage,
 			       GLeglImageOES image_handle)
 {
-   struct pipe_surface *ps;
+   struct st_egl_image stimg;
 
-   ps = st_egl_image_get_surface(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW,
-				 "glEGLImageTargetTexture2D");
-   if (ps) {
-      st_bind_surface(ctx, target, texObj, texImage, ps);
-      pipe_surface_reference(&ps, NULL);
-   }
+   if (!st_get_egl_image(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW,
+                         "glEGLImageTargetTexture2D", &stimg))
+      return;
+
+   st_bind_egl_image(ctx, texObj, texImage, &stimg);
+   pipe_resource_reference(&stimg.texture, NULL);
 }
 
 void
 st_init_eglimage_functions(struct dd_function_table *functions)
 {
    functions->EGLImageTargetTexture2D = st_egl_image_target_texture_2d;
    functions->EGLImageTargetRenderbufferStorage = st_egl_image_target_renderbuffer_storage;
 }
-- 
2.7.4



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