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Diffstat (limited to 'src/gallium/drivers/softpipe/sp_texture.h')
-rw-r--r--src/gallium/drivers/softpipe/sp_texture.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_texture.h b/src/gallium/drivers/softpipe/sp_texture.h
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+++ b/src/gallium/drivers/softpipe/sp_texture.h
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+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+#ifndef SP_TEXTURE_H
+#define SP_TEXTURE_H
+
+
+#include "pipe/p_state.h"
+
+
+#define SP_MAX_TEXTURE_2D_LEVELS 13 /* 4K x 4K */
+#define SP_MAX_TEXTURE_3D_LEVELS 9 /* 512 x 512 x 512 */
+
+
+struct pipe_context;
+struct pipe_screen;
+struct softpipe_context;
+
+
+/**
+ * Subclass of pipe_resource.
+ */
+struct softpipe_resource
+{
+ struct pipe_resource base;
+
+ unsigned long level_offset[SP_MAX_TEXTURE_2D_LEVELS];
+ unsigned stride[SP_MAX_TEXTURE_2D_LEVELS];
+
+ /**
+ * Display target, only valid for PIPE_TEXTURE_2D with the
+ * PIPE_BIND_DISPLAY_TARGET usage.
+ */
+ struct sw_displaytarget *dt;
+
+ /**
+ * Malloc'ed data for regular buffers and textures, or a mapping to dt above.
+ */
+ void *data;
+
+ /* True if texture images are power-of-two in all dimensions:
+ */
+ boolean pot;
+ boolean userBuffer;
+
+ unsigned timestamp;
+};
+
+
+/**
+ * Subclass of pipe_transfer.
+ */
+struct softpipe_transfer
+{
+ struct pipe_transfer base;
+
+ unsigned long offset;
+};
+
+
+
+/** cast wrappers */
+static INLINE struct softpipe_resource *
+softpipe_resource(struct pipe_resource *pt)
+{
+ return (struct softpipe_resource *) pt;
+}
+
+static INLINE struct softpipe_transfer *
+softpipe_transfer(struct pipe_transfer *pt)
+{
+ return (struct softpipe_transfer *) pt;
+}
+
+
+extern void
+softpipe_init_screen_texture_funcs(struct pipe_screen *screen);
+
+extern void
+softpipe_init_texture_funcs(struct pipe_context *pipe);
+
+
+#endif /* SP_TEXTURE */