1 /************************************************************************** 2 * 3 * Copyright 2005 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef INTEL_BUFFEROBJ_H 29 #define INTEL_BUFFEROBJ_H 30 31 #include "main/mtypes.h" 32 33 struct intel_context; 34 struct gl_buffer_object; 35 36 37 /** 38 * Intel vertex/pixel buffer object, derived from Mesa's gl_buffer_object. 39 */ 40 struct intel_buffer_object 41 { 42 struct gl_buffer_object Base; 43 drm_intel_bo *buffer; /* the low-level buffer manager's buffer handle */ 44 GLuint offset; /* any offset into that buffer */ 45 46 /** System memory buffer data, if not using a BO to store the data. */ 47 void *sys_buffer; 48 49 drm_intel_bo *range_map_bo[MAP_COUNT]; 50 void *range_map_buffer[MAP_COUNT]; 51 52 bool source; 53 }; 54 55 56 /* Get the bm buffer associated with a GL bufferobject: 57 */ 58 drm_intel_bo *intel_bufferobj_buffer(struct intel_context *intel, 59 struct intel_buffer_object *obj); 60 drm_intel_bo *intel_bufferobj_source(struct intel_context *intel, 61 struct intel_buffer_object *obj, 62 GLuint align, 63 GLuint *offset); 64 65 void intel_upload_data(struct intel_context *intel, 66 const void *ptr, GLuint size, GLuint align, 67 drm_intel_bo **return_bo, 68 GLuint *return_offset); 69 70 void intel_upload_finish(struct intel_context *intel); 71 72 /* Hook the bufferobject implementation into mesa: 73 */ 74 void intelInitBufferObjectFuncs(struct dd_function_table *functions); 75 76 static inline struct intel_buffer_object * 77 intel_buffer_object(struct gl_buffer_object *obj) 78 { 79 return (struct intel_buffer_object *) obj; 80 } 81 82 #endif 83
