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| Rev | Author | Line No. | Line |
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| 5564 | serge | 1 | /********************************************************** |
| 2 | * Copyright 2008-2009 VMware, Inc. All rights reserved. |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person |
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| 5 | * obtaining a copy of this software and associated documentation |
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| 6 | * files (the "Software"), to deal in the Software without |
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| 7 | * restriction, including without limitation the rights to use, copy, |
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| 8 | * modify, merge, publish, distribute, sublicense, and/or sell copies |
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| 9 | * of the Software, and to permit persons to whom the Software is |
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| 10 | * furnished to do so, subject to the following conditions: |
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| 11 | * |
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| 12 | * The above copyright notice and this permission notice shall be |
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| 13 | * included in all copies or substantial portions of the Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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| 18 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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| 19 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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| 20 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 21 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 22 | * SOFTWARE. |
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| 23 | * |
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| 24 | **********************************************************/ |
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| 25 | |||
| 26 | #include "util/u_inlines.h" |
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| 27 | #include "pipe/p_defines.h" |
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| 28 | #include "util/u_math.h" |
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| 29 | #include "tgsi/tgsi_parse.h" |
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| 30 | |||
| 31 | #include "svga_context.h" |
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| 32 | #include "svga_resource_buffer.h" |
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| 33 | |||
| 34 | /*********************************************************************** |
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| 35 | * Constant buffers |
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| 36 | */ |
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| 37 | |||
| 38 | struct svga_constbuf |
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| 39 | { |
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| 40 | unsigned type; |
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| 41 | float (*data)[4]; |
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| 42 | unsigned count; |
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| 43 | }; |
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| 44 | |||
| 45 | |||
| 46 | |||
| 47 | static void svga_set_constant_buffer(struct pipe_context *pipe, |
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| 48 | uint shader, uint index, |
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| 49 | struct pipe_constant_buffer *cb) |
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| 50 | { |
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| 51 | struct svga_context *svga = svga_context(pipe); |
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| 52 | struct pipe_resource *buf = cb ? cb->buffer : NULL; |
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| 53 | |||
| 54 | if (cb && cb->user_buffer) { |
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| 55 | buf = svga_user_buffer_create(pipe->screen, |
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| 56 | (void *) cb->user_buffer, |
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| 57 | cb->buffer_size, |
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| 58 | PIPE_BIND_CONSTANT_BUFFER); |
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| 59 | } |
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| 60 | |||
| 61 | assert(shader < PIPE_SHADER_TYPES); |
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| 62 | assert(index == 0); |
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| 63 | |||
| 64 | pipe_resource_reference(&svga->curr.cbufs[shader].buffer, buf); |
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| 65 | svga->curr.cbufs[shader].buffer_size = cb ? cb->buffer_size : 0; |
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| 66 | svga->curr.cbufs[shader].buffer_offset = cb ? cb->buffer_offset : 0; |
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| 67 | svga->curr.cbufs[shader].user_buffer = NULL; /* not used */ |
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| 68 | |||
| 69 | if (shader == PIPE_SHADER_FRAGMENT) |
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| 70 | svga->dirty |= SVGA_NEW_FS_CONST_BUFFER; |
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| 71 | else |
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| 72 | svga->dirty |= SVGA_NEW_VS_CONST_BUFFER; |
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| 73 | |||
| 74 | if (cb && cb->user_buffer) { |
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| 75 | pipe_resource_reference(&buf, NULL); |
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| 76 | } |
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| 77 | } |
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| 78 | |||
| 79 | |||
| 80 | |||
| 81 | void svga_init_constbuffer_functions( struct svga_context *svga ) |
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| 82 | { |
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| 83 | svga->pipe.set_constant_buffer = svga_set_constant_buffer; |
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| 84 | } |
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| 85 |