st/dri: move some image functions to dri_helpers.c

These functions will be used both by drisw.c and
dri2.c. This patch also moves some headers that can
be shared.

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

3 files changed, 124 insertions, 106 deletions

diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c
index eb22a16249..4e58bcb9c5 100644
--- a/src/gallium/state_trackers/dri/dri2.c
+++ b/src/gallium/state_trackers/dri/dri2.c
@@ -45,10 +45,8 @@
 #include "main/bufferobj.h"
 #include "main/texobj.h"
 
-#include "dri_screen.h"
-#include "dri_context.h"
-#include "dri_drawable.h"
 #include "dri_helpers.h"
+#include "dri_drawable.h"
 #include "dri_query_renderer.h"
 #include "dri2_buffer.h"
 
@@ -885,21 +883,6 @@ dri2_update_tex_buffer(struct dri_drawable *drawable,
 }
 
 static __DRIimage *
-dri2_lookup_egl_image(struct dri_screen *screen, void *handle)
-{
-   const __DRIimageLookupExtension *loader = screen->sPriv->dri2.image;
-   __DRIimage *img;
-
-   if (!loader->lookupEGLImage)
-      return NULL;
-
-   img = loader->lookupEGLImage(screen->sPriv,
-				handle, screen->sPriv->loaderPrivate);
-
-   return img;
-}
-
-static __DRIimage *
 dri2_create_image_from_winsys(__DRIscreen *_screen,
                               int width, int height, int format,
                               int num_handles, struct winsys_handle *whandle,
@@ -1073,19 +1056,6 @@ exit:
 }
 
 static __DRIimage *
-dri2_create_image_from_renderbuffer(__DRIcontext *context,
-				    int renderbuffer, void *loaderPrivate)
-{
-   struct dri_context *ctx = dri_context(context);
-
-   if (!ctx->st->get_resource_for_egl_image)
-      return NULL;
-
-   /* TODO */
-   return NULL;
-}
-
-static __DRIimage *
 dri2_create_image_common(__DRIscreen *_screen,
                          int width, int height,
                          int format, unsigned int use,
@@ -1370,72 +1340,6 @@ dri2_from_planar(__DRIimage *image, int plane, void *loaderPrivate)
 }
 
 static __DRIimage *
-dri2_create_from_texture(__DRIcontext *context, int target, unsigned texture,
-                         int depth, int level, unsigned *error,
-                         void *loaderPrivate)
-{
-   __DRIimage *img;
-   struct gl_context *ctx = ((struct st_context *)dri_context(context)->st)->ctx;
-   struct gl_texture_object *obj;
-   struct pipe_resource *tex;
-   GLuint face = 0;
-
-   obj = _mesa_lookup_texture(ctx, texture);
-   if (!obj || obj->Target != target) {
-      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
-      return NULL;
-   }
-
-   tex = st_get_texobj_resource(obj);
-   if (!tex) {
-      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
-      return NULL;
-   }
-
-   if (target == GL_TEXTURE_CUBE_MAP)
-      face = depth;
-
-   _mesa_test_texobj_completeness(ctx, obj);
-   if (!obj->_BaseComplete || (level > 0 && !obj->_MipmapComplete)) {
-      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
-      return NULL;
-   }
-
-   if (level < obj->BaseLevel || level > obj->_MaxLevel) {
-      *error = __DRI_IMAGE_ERROR_BAD_MATCH;
-      return NULL;
-   }
-
-   if (target == GL_TEXTURE_3D && obj->Image[face][level]->Depth < depth) {
-      *error = __DRI_IMAGE_ERROR_BAD_MATCH;
-      return NULL;
-   }
-
-   img = CALLOC_STRUCT(__DRIimageRec);
-   if (!img) {
-      *error = __DRI_IMAGE_ERROR_BAD_ALLOC;
-      return NULL;
-   }
-
-   img->level = level;
-   img->layer = depth;
-   img->dri_format = driGLFormatToImageFormat(obj->Image[face][level]->TexFormat);
-
-   img->loader_private = loaderPrivate;
-
-   if (img->dri_format == __DRI_IMAGE_FORMAT_NONE) {
-      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
-      free(img);
-      return NULL;
-   }
-
-   pipe_resource_reference(&img->texture, tex);
-
-   *error = __DRI_IMAGE_ERROR_SUCCESS;
-   return img;
-}
-
-static __DRIimage *
 dri2_from_fds(__DRIscreen *screen, int width, int height, int fourcc,
               int *fds, int num_fds, int *strides, int *offsets,
               void *loaderPrivate)
@@ -1647,13 +1551,6 @@ dri2_unmap_image(__DRIcontext *context, __DRIimage *image, void *data)
    pipe_transfer_unmap(pipe, (struct pipe_transfer *)data);
 }
 
-static void
-dri2_destroy_image(__DRIimage *img)
-{
-   pipe_resource_reference(&img->texture, NULL);
-   FREE(img);
-}
-
 static int
 dri2_get_capabilities(__DRIscreen *_screen)
 {
diff --git a/src/gallium/state_trackers/dri/dri_helpers.c b/src/gallium/state_trackers/dri/dri_helpers.c
index 96c92e2e8d..07c4086310 100644
--- a/src/gallium/state_trackers/dri/dri_helpers.c
+++ b/src/gallium/state_trackers/dri/dri_helpers.c
@@ -23,9 +23,11 @@
 #include <dlfcn.h>
 #include "util/u_memory.h"
 #include "pipe/p_screen.h"
+#include "state_tracker/st_texture.h"
+#include "state_tracker/st_context.h"
+#include "main/texobj.h"
 
-#include "dri_context.h"
-#include "dri_screen.h"
+#include "dri_helpers.h"
 
 static bool
 dri2_is_opencl_interop_loaded_locked(struct dri_screen *screen)
@@ -228,4 +230,106 @@ const __DRI2fenceExtension dri2FenceExtension = {
    .get_fence_fd = dri2_get_fence_fd,
 };
 
+__DRIimage *
+dri2_lookup_egl_image(struct dri_screen *screen, void *handle)
+{
+   const __DRIimageLookupExtension *loader = screen->sPriv->dri2.image;
+   __DRIimage *img;
+
+   if (!loader->lookupEGLImage)
+      return NULL;
+
+   img = loader->lookupEGLImage(screen->sPriv,
+				handle, screen->sPriv->loaderPrivate);
+
+   return img;
+}
+
+__DRIimage *
+dri2_create_image_from_renderbuffer(__DRIcontext *context,
+				    int renderbuffer, void *loaderPrivate)
+{
+   struct dri_context *ctx = dri_context(context);
+
+   if (!ctx->st->get_resource_for_egl_image)
+      return NULL;
+
+   /* TODO */
+   return NULL;
+}
+
+void
+dri2_destroy_image(__DRIimage *img)
+{
+   pipe_resource_reference(&img->texture, NULL);
+   FREE(img);
+}
+
+
+__DRIimage *
+dri2_create_from_texture(__DRIcontext *context, int target, unsigned texture,
+                         int depth, int level, unsigned *error,
+                         void *loaderPrivate)
+{
+   __DRIimage *img;
+   struct gl_context *ctx = ((struct st_context *)dri_context(context)->st)->ctx;
+   struct gl_texture_object *obj;
+   struct pipe_resource *tex;
+   GLuint face = 0;
+
+   obj = _mesa_lookup_texture(ctx, texture);
+   if (!obj || obj->Target != target) {
+      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+      return NULL;
+   }
+
+   tex = st_get_texobj_resource(obj);
+   if (!tex) {
+      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+      return NULL;
+   }
+
+   if (target == GL_TEXTURE_CUBE_MAP)
+      face = depth;
+
+   _mesa_test_texobj_completeness(ctx, obj);
+   if (!obj->_BaseComplete || (level > 0 && !obj->_MipmapComplete)) {
+      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+      return NULL;
+   }
+
+   if (level < obj->BaseLevel || level > obj->_MaxLevel) {
+      *error = __DRI_IMAGE_ERROR_BAD_MATCH;
+      return NULL;
+   }
+
+   if (target == GL_TEXTURE_3D && obj->Image[face][level]->Depth < depth) {
+      *error = __DRI_IMAGE_ERROR_BAD_MATCH;
+      return NULL;
+   }
+
+   img = CALLOC_STRUCT(__DRIimageRec);
+   if (!img) {
+      *error = __DRI_IMAGE_ERROR_BAD_ALLOC;
+      return NULL;
+   }
+
+   img->level = level;
+   img->layer = depth;
+   img->dri_format = driGLFormatToImageFormat(obj->Image[face][level]->TexFormat);
+
+   img->loader_private = loaderPrivate;
+
+   if (img->dri_format == __DRI_IMAGE_FORMAT_NONE) {
+      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+      free(img);
+      return NULL;
+   }
+
+   pipe_resource_reference(&img->texture, tex);
+
+   *error = __DRI_IMAGE_ERROR_SUCCESS;
+   return img;
+}
+
 /* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/src/gallium/state_trackers/dri/dri_helpers.h b/src/gallium/state_trackers/dri/dri_helpers.h
index a55c47ffc7..59d903875d 100644
--- a/src/gallium/state_trackers/dri/dri_helpers.h
+++ b/src/gallium/state_trackers/dri/dri_helpers.h
@@ -23,8 +23,25 @@
 #ifndef DRI_HELPERS_H
 #define DRI_HELPERS_H
 
+#include "dri_context.h"
+#include "dri_screen.h"
+
 extern const __DRI2fenceExtension dri2FenceExtension;
 
+__DRIimage *
+dri2_lookup_egl_image(struct dri_screen *screen, void *handle);
+
+__DRIimage *
+dri2_create_image_from_renderbuffer(__DRIcontext *context,
+				    int renderbuffer, void *loaderPrivate);
+
+void
+dri2_destroy_image(__DRIimage *img);
+
+__DRIimage *
+dri2_create_from_texture(__DRIcontext *context, int target, unsigned texture,
+                         int depth, int level, unsigned *error,
+                         void *loaderPrivate);
 #endif
 
 /* vim: set sw=3 ts=8 sts=3 expandtab: */