1 files changed, 102 insertions, 0 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.h b/src/gallium/winsys/radeon/drm/radeon_drm_cs.h
new file mode 100644
index 0000000000..dfaa161c31
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright © 2011 Marek Olšák <maraeo@gmail.com>
+ * 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.
+ */
+
+#ifndef RADEON_DRM_CS_H
+#define RADEON_DRM_CS_H
+
+#include "radeon_drm_bo.h"
+#include <radeon_drm.h>
+
+struct radeon_cs_context {
+    uint32_t                    buf[R300_MAX_CMDBUF_DWORDS];
+
+    int fd;
+    struct drm_radeon_cs        cs;
+    struct drm_radeon_cs_chunk  chunks[2];
+    uint64_t                    chunk_array[2];
+
+    /* Relocs. */
+    unsigned                    nrelocs;
+    unsigned                    crelocs;
+    struct radeon_bo            **relocs_bo;
+    struct drm_radeon_cs_reloc  *relocs;
+
+    /* 0 = BO not added, 1 = BO added */
+    char                        is_handle_added[256];
+    struct drm_radeon_cs_reloc  *relocs_hashlist[256];
+    unsigned                    reloc_indices_hashlist[256];
+
+    unsigned used_vram;
+    unsigned used_gart;
+};
+
+struct radeon_drm_cs {
+    struct r300_winsys_cs base;
+
+    /* We flip between these two CS. While one is being consumed
+     * by the kernel in another thread, the other one is being filled
+     * by the pipe driver. */
+    struct radeon_cs_context csc1;
+    struct radeon_cs_context csc2;
+    /* The currently-used CS. */
+    struct radeon_cs_context *csc;
+    /* The CS being currently-owned by the other thread. */
+    struct radeon_cs_context *cst;
+
+    /* The winsys. */
+    struct radeon_drm_winsys *ws;
+
+    /* Flush CS. */
+    void (*flush_cs)(void *ctx, unsigned flags);
+    void *flush_data;
+
+    pipe_thread thread;
+};
+
+int radeon_get_reloc(struct radeon_cs_context *csc, struct radeon_bo *bo);
+
+static INLINE struct radeon_drm_cs *
+radeon_drm_cs(struct r300_winsys_cs *base)
+{
+    return (struct radeon_drm_cs*)base;
+}
+
+static INLINE boolean radeon_bo_is_referenced_by_cs(struct radeon_drm_cs *cs,
+                                                    struct radeon_bo *bo)
+{
+    return bo->num_cs_references == bo->rws->num_cs ||
+           (bo->num_cs_references && radeon_get_reloc(cs->csc, bo) != -1);
+}
+
+static INLINE boolean radeon_bo_is_referenced_by_any_cs(struct radeon_bo *bo)
+{
+    return bo->num_cs_references;
+}
+
+void radeon_drm_cs_sync_flush(struct radeon_drm_cs *cs);
+void radeon_drm_cs_init_functions(struct radeon_drm_winsys *ws);
+
+#endif