José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 1 | /************************************************************************** |
| 2 | * |
| 3 | * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
| 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 TUNGSTEN GRAPHICS 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 | /* Author: |
| 29 | * Brian Paul |
| 30 | * Keith Whitwell |
| 31 | */ |
| 32 | |
| 33 | |
| 34 | #include "pipe/p_defines.h" |
| 35 | #include "pipe/p_context.h" |
| 36 | #include "pipe/internal/p_winsys_screen.h" |
| 37 | #include "pipe/p_inlines.h" |
| 38 | #include "util/u_prim.h" |
| 39 | |
José Fonseca | 379304a | 2009-08-29 20:34:01 +0100 | [diff] [blame] | 40 | #include "lp_buffer.h" |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 41 | #include "lp_context.h" |
| 42 | #include "lp_state.h" |
| 43 | |
| 44 | #include "draw/draw_context.h" |
| 45 | |
| 46 | |
| 47 | |
Keith Whitwell | 03f212b | 2009-12-21 22:47:21 +0000 | [diff] [blame] | 48 | void |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 49 | llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode, |
| 50 | unsigned start, unsigned count) |
| 51 | { |
Keith Whitwell | 03f212b | 2009-12-21 22:47:21 +0000 | [diff] [blame] | 52 | llvmpipe_draw_elements(pipe, NULL, 0, mode, start, count); |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | |
| 56 | /** |
| 57 | * Draw vertex arrays, with optional indexing. |
| 58 | * Basically, map the vertex buffers (and drawing surfaces), then hand off |
| 59 | * the drawing to the 'draw' module. |
| 60 | */ |
Keith Whitwell | 03f212b | 2009-12-21 22:47:21 +0000 | [diff] [blame] | 61 | void |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 62 | llvmpipe_draw_range_elements(struct pipe_context *pipe, |
| 63 | struct pipe_buffer *indexBuffer, |
| 64 | unsigned indexSize, |
| 65 | unsigned min_index, |
| 66 | unsigned max_index, |
| 67 | unsigned mode, unsigned start, unsigned count) |
| 68 | { |
| 69 | struct llvmpipe_context *lp = llvmpipe_context(pipe); |
| 70 | struct draw_context *draw = lp->draw; |
| 71 | unsigned i; |
| 72 | |
| 73 | lp->reduced_api_prim = u_reduced_prim(mode); |
| 74 | |
| 75 | if (lp->dirty) |
| 76 | llvmpipe_update_derived( lp ); |
| 77 | |
| 78 | llvmpipe_map_transfers(lp); |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 79 | |
| 80 | /* |
| 81 | * Map vertex buffers |
| 82 | */ |
| 83 | for (i = 0; i < lp->num_vertex_buffers; i++) { |
José Fonseca | 379304a | 2009-08-29 20:34:01 +0100 | [diff] [blame] | 84 | void *buf = llvmpipe_buffer(lp->vertex_buffer[i].buffer)->data; |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 85 | draw_set_mapped_vertex_buffer(draw, i, buf); |
| 86 | } |
| 87 | |
| 88 | /* Map index buffer, if present */ |
| 89 | if (indexBuffer) { |
José Fonseca | 379304a | 2009-08-29 20:34:01 +0100 | [diff] [blame] | 90 | void *mapped_indexes = llvmpipe_buffer(indexBuffer)->data; |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 91 | draw_set_mapped_element_buffer_range(draw, indexSize, |
| 92 | min_index, |
| 93 | max_index, |
| 94 | mapped_indexes); |
| 95 | } |
| 96 | else { |
| 97 | /* no index/element buffer */ |
| 98 | draw_set_mapped_element_buffer_range(draw, 0, start, |
| 99 | start + count - 1, NULL); |
| 100 | } |
| 101 | |
| 102 | /* draw! */ |
| 103 | draw_arrays(draw, mode, start, count); |
| 104 | |
| 105 | /* |
José Fonseca | 926562f | 2009-12-28 22:52:41 +0000 | [diff] [blame] | 106 | * unmap vertex/index buffers |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 107 | */ |
| 108 | for (i = 0; i < lp->num_vertex_buffers; i++) { |
| 109 | draw_set_mapped_vertex_buffer(draw, i, NULL); |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 110 | } |
| 111 | if (indexBuffer) { |
| 112 | draw_set_mapped_element_buffer(draw, 0, NULL); |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 113 | } |
| 114 | |
José Fonseca | 926562f | 2009-12-28 22:52:41 +0000 | [diff] [blame] | 115 | /* |
| 116 | * TODO: Flush only when a user vertex/index buffer is present |
| 117 | * (or even better, modify draw module to do this |
| 118 | * internally when this condition is seen?) |
| 119 | */ |
| 120 | draw_flush(draw); |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 121 | |
| 122 | /* Note: leave drawing surfaces mapped */ |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 123 | |
| 124 | lp->dirty_render_cache = TRUE; |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | |
Keith Whitwell | 03f212b | 2009-12-21 22:47:21 +0000 | [diff] [blame] | 128 | void |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 129 | llvmpipe_draw_elements(struct pipe_context *pipe, |
| 130 | struct pipe_buffer *indexBuffer, |
| 131 | unsigned indexSize, |
| 132 | unsigned mode, unsigned start, unsigned count) |
| 133 | { |
Keith Whitwell | 03f212b | 2009-12-21 22:47:21 +0000 | [diff] [blame] | 134 | llvmpipe_draw_range_elements( pipe, indexBuffer, |
| 135 | indexSize, |
| 136 | 0, 0xffffffff, |
| 137 | mode, start, count ); |
José Fonseca | 946f432 | 2009-07-26 23:44:38 +0100 | [diff] [blame] | 138 | } |
| 139 | |