1 files changed, 122 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_drm.c b/src/gallium/winsys/drm/radeon/core/radeon_drm.c
new file mode 100644
index 0000000000..c712482a37
--- /dev/null
+++ b/src/gallium/winsys/drm/radeon/core/radeon_drm.c
@@ -0,0 +1,122 @@
+/* 
+ * Copyright © 2009 Corbin Simpson
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
+ * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+/*
+ * Authors:
+ *      Corbin Simpson <MostAwesomeDude@gmail.com>
+ */
+
+#include "radeon_drm.h"
+
+/* Create a pipe_screen. */
+struct pipe_screen* radeon_create_screen(int drmFB, int pciID)
+{
+    struct pipe_winsys* winsys = radeon_pipe_winsys();
+
+    if (getenv("RADEON_SOFTPIPE")) {
+        return softpipe_create_screen(winsys);
+    } else {
+        struct r300_winsys* r300 = radeon_create_r300_winsys(drmFB, winsys);
+        FREE(winsys);
+        return r300_create_screen(r300);
+    }
+}
+
+/* Create a pipe_context. */
+struct pipe_context* radeon_create_context(struct pipe_screen* screen)
+{
+    if (getenv("RADEON_SOFTPIPE")) {
+        return radeon_create_softpipe(screen->winsys);
+    } else {
+        return r300_create_context(screen, screen->winsys);
+    }
+}
+
+boolean radeon_buffer_from_texture(struct pipe_texture* texture,
+                                   struct pipe_buffer** buffer,
+                                   unsigned* stride)
+{
+    return FALSE;
+}
+
+/* Create a buffer from a handle. */
+/* XXX what's up with name? */
+struct pipe_buffer* radeon_buffer_from_handle(struct pipe_screen* screen,
+                                              const char* name,
+                                              unsigned handle)
+{
+    struct radeon_bo_manager* bom =
+        ((struct radeon_winsys*)screen->winsys)->bom;
+    struct radeon_pipe_buffer* radeon_buffer;
+    struct radeon_bo* bo = NULL;
+
+    bo = radeon_bo_open(bom, handle, 0, 0, 0, 0);
+    if (bo == NULL) {
+        return NULL;
+    }
+
+    radeon_buffer = CALLOC_STRUCT(radeon_pipe_buffer);
+    if (radeon_buffer == NULL) {
+        radeon_bo_unref(bo);
+        return NULL;
+    }
+
+    pipe_reference_init(&radeon_buffer->base.reference, 1);
+    radeon_buffer->base.screen = screen;
+    radeon_buffer->base.usage = PIPE_BUFFER_USAGE_PIXEL;
+    radeon_buffer->bo = bo;
+    return &radeon_buffer->base;
+}
+
+boolean radeon_handle_from_buffer(struct pipe_screen* screen,
+                                  struct pipe_buffer* buffer,
+                                  unsigned* handle)
+{
+    struct radeon_pipe_buffer* radeon_buffer =
+        (struct radeon_pipe_buffer*)buffer;
+    *handle = radeon_buffer->bo->handle;
+    return TRUE;
+}
+
+boolean radeon_global_handle_from_buffer(struct pipe_screen* screen,
+                                         struct pipe_buffer* buffer,
+                                         unsigned* handle)
+{
+    /* XXX WTF is the difference here? global? */
+    struct radeon_pipe_buffer* radeon_buffer =
+        (struct radeon_pipe_buffer*)buffer;
+    *handle = radeon_buffer->bo->handle;
+    return TRUE;
+}
+
+struct drm_api drm_api_hooks = {
+    .create_screen = radeon_create_screen,
+    .create_context = radeon_create_context,
+    /* XXX fix this */
+    .buffer_from_texture = r300_get_texture_buffer,
+    .buffer_from_handle = radeon_buffer_from_handle,
+    .handle_from_buffer = radeon_handle_from_buffer,
+    .global_handle_from_buffer = radeon_global_handle_from_buffer,
+};