i915g: Rename winsys prefix to i915_ from intel_

Since the winsys isn't shared with i965 and never will be

1 files changed, 230 insertions, 0 deletions

diff --git a/src/gallium/drivers/i915/i915_winsys.h b/src/gallium/drivers/i915/i915_winsys.h
new file mode 100644
index 0000000000..246e95b00d
--- /dev/null
+++ b/src/gallium/drivers/i915/i915_winsys.h
@@ -0,0 +1,230 @@
+/**************************************************************************
+ *
+ * Copyright © 2009 Jakob Bornecrantz
+ *
+ * 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, sublicense,
+ * 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 above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ **************************************************************************/
+
+#ifndef I915_WINSYS_H
+#define I915_WINSYS_H
+
+#include "pipe/p_compiler.h"
+
+struct i915_winsys;
+struct i915_winsys_buffer;
+struct i915_winsys_batchbuffer;
+struct pipe_texture;
+struct pipe_fence_handle;
+struct winsys_handle;
+
+enum i915_winsys_buffer_usage
+{
+   /* use on textures */
+   I915_USAGE_RENDER    = 0x01,
+   I915_USAGE_SAMPLER   = 0x02,
+   I915_USAGE_2D_TARGET = 0x04,
+   I915_USAGE_2D_SOURCE = 0x08,
+   /* use on vertex */
+   I915_USAGE_VERTEX    = 0x10
+};
+
+enum i915_winsys_buffer_type
+{
+   I915_NEW_TEXTURE,
+   I915_NEW_SCANOUT, /**< a texture used for scanning out from */
+   I915_NEW_VERTEX
+};
+
+enum i915_winsys_buffer_tile
+{
+   I915_TILE_NONE,
+   I915_TILE_X,
+   I915_TILE_Y
+};
+
+struct i915_winsys_batchbuffer {
+
+   struct i915_winsys *iws;
+
+   /**
+    * Values exported to speed up the writing the batchbuffer,
+    * instead of having to go trough a accesor function for
+    * each dword written.
+    */
+   /*{@*/
+   uint8_t *map;
+   uint8_t *ptr;
+   size_t size;
+
+   size_t relocs;
+   size_t max_relocs;
+   /*@}*/
+};
+
+struct i915_winsys {
+
+   /**
+    * Batchbuffer functions.
+    */
+   /*@{*/
+   /**
+    * Create a new batchbuffer.
+    */
+   struct i915_winsys_batchbuffer *
+      (*batchbuffer_create)(struct i915_winsys *iws);
+
+   /**
+    * Emit a relocation to a buffer.
+    * Target position in batchbuffer is the same as ptr.
+    *
+    * @batch
+    * @reloc buffer address to be inserted into target.
+    * @usage how is the hardware going to use the buffer.
+    * @offset add this to the reloc buffers address
+    * @target buffer where to write the address, null for batchbuffer.
+    */
+   int (*batchbuffer_reloc)(struct i915_winsys_batchbuffer *batch,
+                            struct i915_winsys_buffer *reloc,
+                            enum i915_winsys_buffer_usage usage,
+                            unsigned offset);
+
+   /**
+    * Flush a bufferbatch.
+    */
+   void (*batchbuffer_flush)(struct i915_winsys_batchbuffer *batch,
+                             struct pipe_fence_handle **fence);
+
+   /**
+    * Destroy a batchbuffer.
+    */
+   void (*batchbuffer_destroy)(struct i915_winsys_batchbuffer *batch);
+   /*@}*/
+
+
+   /**
+    * Buffer functions.
+    */
+   /*@{*/
+   /**
+    * Create a buffer.
+    */
+   struct i915_winsys_buffer *
+      (*buffer_create)(struct i915_winsys *iws,
+                       unsigned size, unsigned alignment,
+                       enum i915_winsys_buffer_type type);
+
+   /**
+    * Creates a buffer from a handle.
+    * Used to implement pipe_screen::texture_from_handle.
+    * Also provides the stride information needed for the
+    * texture via the stride argument.
+    */
+   struct i915_winsys_buffer *
+      (*buffer_from_handle)(struct i915_winsys *iws,
+                            struct winsys_handle *whandle,
+                            unsigned *stride);
+
+   /**
+    * Used to implement pipe_screen::texture_get_handle.
+    * The winsys might need the stride information.
+    */
+   boolean (*buffer_get_handle)(struct i915_winsys *iws,
+                                struct i915_winsys_buffer *buffer,
+                                struct winsys_handle *whandle,
+                                unsigned stride);
+
+   /**
+    * Fence a buffer with a fence reg.
+    * Not to be confused with pipe_fence_handle.
+    */
+   int (*buffer_set_fence_reg)(struct i915_winsys *iws,
+                               struct i915_winsys_buffer *buffer,
+                               unsigned stride,
+                               enum i915_winsys_buffer_tile tile);
+
+   /**
+    * Map a buffer.
+    */
+   void *(*buffer_map)(struct i915_winsys *iws,
+                       struct i915_winsys_buffer *buffer,
+                       boolean write);
+
+   /**
+    * Unmap a buffer.
+    */
+   void (*buffer_unmap)(struct i915_winsys *iws,
+                        struct i915_winsys_buffer *buffer);
+
+   /**
+    * Write to a buffer.
+    *
+    * Arguments follows pipe_buffer_write.
+    */
+   int (*buffer_write)(struct i915_winsys *iws,
+                       struct i915_winsys_buffer *dst,
+                       size_t offset,
+                       size_t size,
+                       const void *data);
+
+   void (*buffer_destroy)(struct i915_winsys *iws,
+                          struct i915_winsys_buffer *buffer);
+   /*@}*/
+
+
+   /**
+    * Fence functions.
+    */
+   /*@{*/
+   /**
+    * Reference fence and set ptr to fence.
+    */
+   void (*fence_reference)(struct i915_winsys *iws,
+                           struct pipe_fence_handle **ptr,
+                           struct pipe_fence_handle *fence);
+
+   /**
+    * Check if a fence has finished.
+    */
+   int (*fence_signalled)(struct i915_winsys *iws,
+                          struct pipe_fence_handle *fence);
+
+   /**
+    * Wait on a fence to finish.
+    */
+   int (*fence_finish)(struct i915_winsys *iws,
+                       struct pipe_fence_handle *fence);
+   /*@}*/
+
+
+   /**
+    * Destroy the winsys.
+    */
+   void (*destroy)(struct i915_winsys *iws);
+};
+
+
+/**
+ * Create i915 pipe_screen.
+ */
+struct pipe_screen *i915_create_screen(struct i915_winsys *iws, unsigned pci_id);
+
+
+#endif