i965g: more files compiling

1 files changed, 243 insertions, 0 deletions

diff --git a/src/gallium/drivers/i965/brw_winsys.h b/src/gallium/drivers/i965/brw_winsys.h
new file mode 100644
index 0000000000..2142db5a4d
--- /dev/null
+++ b/src/gallium/drivers/i965/brw_winsys.h
@@ -0,0 +1,243 @@
+/**************************************************************************
+ *
+ * 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 BRW_WINSYS_H
+#define BRW_WINSYS_H
+
+#include "pipe/p_compiler.h"
+
+struct brw_winsys;
+struct pipe_fence_handle;
+
+/* This currently just wraps dri_bo:
+ */
+struct brw_winsys_buffer {
+   struct brw_winsys_screen *sws;
+   void *bo;
+   unsigned offset;
+};
+
+enum brw_buffer_usage {
+   I915_GEM_DOMAIN_RENDER,
+   I915_GEM_DOMAIN_SAMPLER,
+   I915_GEM_DOMAIN_VERTEX,
+   I915_GEM_DOMAIN_INSTRUCTION,
+
+
+   /* XXX: migrate from domains to explicit usage cases, eg below:
+    */
+
+   /* use on textures */
+   BRW_USAGE_RENDER    = 0x01,
+   BRW_USAGE_SAMPLER   = 0x02,
+   BRW_USAGE_2D_TARGET = 0x04,
+   BRW_USAGE_2D_SOURCE = 0x08,
+   /* use on vertex */
+   BRW_USAGE_VERTEX    = 0x10,
+};
+
+enum brw_buffer_type
+{
+   BRW_BUFFER_TYPE_TEXTURE,
+   BRW_BUFFER_TYPE_SCANOUT, /**< a texture used for scanning out from */
+   BRW_BUFFER_TYPE_VERTEX,
+};
+
+
+/* AKA winsys context:
+ */
+struct brw_batchbuffer {
+
+   struct brw_winsys *iws;
+   struct brw_winsys_buffer *buf;
+
+   /**
+    * 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 brw_winsys_screen {
+
+   /**
+    * Batchbuffer functions.
+    */
+   /*@{*/
+   /**
+    * Create a new batchbuffer.
+    */
+   struct brw_batchbuffer *(*batchbuffer_create)(struct brw_winsys_screen *iws);
+
+   /**
+    * Emit a relocation to a buffer.
+    * Target position in batchbuffer is the same as ptr.
+    */
+   int (*batchbuffer_reloc)(struct brw_batchbuffer *batch,
+			    unsigned offset,
+                            struct brw_winsys_buffer *reloc,
+			    unsigned pre_add,
+                            enum brw_buffer_usage usage);
+
+   /**
+    * Flush a bufferbatch.
+    */
+   void (*batchbuffer_flush)(struct brw_batchbuffer *batch,
+                             struct pipe_fence_handle **fence);
+
+   /**
+    * Destroy a batchbuffer.
+    */
+   void (*batchbuffer_destroy)(struct brw_batchbuffer *batch);
+   /*@}*/
+
+
+   /**
+    * Buffer functions.
+    */
+   /*@{*/
+   /**
+    * Create a buffer.
+    */
+   struct brw_winsys_buffer *(*buffer_create)(struct brw_winsys *iws,
+					      unsigned size, 
+					      unsigned alignment,
+					      enum brw_buffer_type type);
+
+
+   /* Reference and unreference buffers:
+    */
+   void (*bo_reference)( struct brw_winsys_buffer *buffer );
+   void (*bo_unreference)( struct brw_winsys_buffer *buffer );
+   void (*bo_emit_reloc)( struct brw_winsys_buffer *buffer,
+			  unsigned domain,
+			  unsigned a,
+			  unsigned b,
+			  unsigned offset,
+			  struct brw_winsys_buffer *b2);
+
+   /**
+    * Map a buffer.
+    */
+   void *(*buffer_map)(struct brw_winsys *iws,
+                       struct brw_winsys_buffer *buffer,
+                       boolean write);
+
+   /**
+    * Unmap a buffer.
+    */
+   void (*buffer_unmap)(struct brw_winsys *iws,
+                        struct brw_winsys_buffer *buffer);
+
+   /**
+    * Write to a buffer.
+    *
+    * Arguments follows pipe_buffer_write.
+    */
+   int (*buffer_write)(struct brw_winsys *iws,
+                       struct brw_winsys_buffer *dst,
+                       size_t offset,
+                       size_t size,
+                       const void *data);
+
+   void (*buffer_destroy)(struct brw_winsys *iws,
+                          struct brw_winsys_buffer *buffer);
+   /*@}*/
+
+
+   /**
+    * Fence functions.
+    */
+   /*@{*/
+   /**
+    * Reference fence and set ptr to fence.
+    */
+   void (*fence_reference)(struct brw_winsys *iws,
+                           struct pipe_fence_handle **ptr,
+                           struct pipe_fence_handle *fence);
+
+   /**
+    * Check if a fence has finished.
+    */
+   int (*fence_signalled)(struct brw_winsys *iws,
+                          struct pipe_fence_handle *fence);
+
+   /**
+    * Wait on a fence to finish.
+    */
+   int (*fence_finish)(struct brw_winsys *iws,
+                       struct pipe_fence_handle *fence);
+   /*@}*/
+
+
+   /**
+    * Destroy the winsys.
+    */
+   void (*destroy)(struct brw_winsys *iws);
+};
+
+
+/**
+ * Create i915 pipe_screen.
+ */
+struct pipe_screen *i915_create_screen(struct brw_winsys *iws, unsigned pci_id);
+
+/**
+ * Create a i915 pipe_context.
+ */
+struct pipe_context *i915_create_context(struct pipe_screen *screen);
+
+/**
+ * Get the brw_winsys buffer backing the texture.
+ *
+ * TODO UGLY
+ */
+struct pipe_texture;
+boolean i915_get_texture_buffer_brw(struct pipe_texture *texture,
+				    struct brw_winsys_buffer **buffer,
+				    unsigned *stride);
+
+/**
+ * Wrap a brw_winsys buffer with a texture blanket.
+ *
+ * TODO UGLY
+ */
+struct pipe_texture * i915_texture_blanket_brw(struct pipe_screen *screen,
+                                                 struct pipe_texture *tmplt,
+                                                 unsigned pitch,
+                                                 struct brw_winsys_buffer *buffer);
+
+
+
+
+#endif