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| Rev | Author | Line No. | Line |
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| 5563 | serge | 1 | /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| 2 | |||
| 3 | /* |
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| 4 | * Copyright (C) 2013 Rob Clark |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 11 | * Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the next |
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| 14 | * paragraph) shall be included in all copies or substantial portions of the |
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| 15 | * Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 23 | * SOFTWARE. |
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| 24 | * |
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| 25 | * Authors: |
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| 26 | * Rob Clark |
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| 27 | */ |
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| 28 | |||
| 29 | #include "pipe/p_screen.h" |
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| 30 | #include "util/u_format.h" |
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| 31 | |||
| 32 | #include "fd2_screen.h" |
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| 33 | #include "fd2_context.h" |
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| 34 | #include "fd2_util.h" |
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| 35 | |||
| 36 | static boolean |
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| 37 | fd2_screen_is_format_supported(struct pipe_screen *pscreen, |
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| 38 | enum pipe_format format, |
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| 39 | enum pipe_texture_target target, |
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| 40 | unsigned sample_count, |
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| 41 | unsigned usage) |
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| 42 | { |
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| 43 | unsigned retval = 0; |
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| 44 | |||
| 45 | if ((target >= PIPE_MAX_TEXTURE_TYPES) || |
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| 46 | (sample_count > 1) || /* TODO add MSAA */ |
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| 47 | !util_format_is_supported(format, usage)) { |
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| 48 | DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x", |
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| 49 | util_format_name(format), target, sample_count, usage); |
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| 50 | return FALSE; |
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| 51 | } |
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| 52 | |||
| 53 | /* TODO figure out how to render to other formats.. */ |
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| 54 | if ((usage & PIPE_BIND_RENDER_TARGET) && |
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| 55 | ((format != PIPE_FORMAT_B8G8R8A8_UNORM) && |
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| 56 | (format != PIPE_FORMAT_B8G8R8X8_UNORM))) { |
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| 57 | DBG("not supported render target: format=%s, target=%d, sample_count=%d, usage=%x", |
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| 58 | util_format_name(format), target, sample_count, usage); |
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| 59 | return FALSE; |
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| 60 | } |
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| 61 | |||
| 62 | if ((usage & (PIPE_BIND_SAMPLER_VIEW | |
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| 63 | PIPE_BIND_VERTEX_BUFFER)) && |
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| 64 | (fd2_pipe2surface(format) != ~0)) { |
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| 65 | retval |= usage & (PIPE_BIND_SAMPLER_VIEW | |
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| 66 | PIPE_BIND_VERTEX_BUFFER); |
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| 67 | } |
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| 68 | |||
| 69 | if ((usage & (PIPE_BIND_RENDER_TARGET | |
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| 70 | PIPE_BIND_DISPLAY_TARGET | |
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| 71 | PIPE_BIND_SCANOUT | |
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| 72 | PIPE_BIND_SHARED)) && |
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| 73 | (fd2_pipe2color(format) != ~0)) { |
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| 74 | retval |= usage & (PIPE_BIND_RENDER_TARGET | |
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| 75 | PIPE_BIND_DISPLAY_TARGET | |
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| 76 | PIPE_BIND_SCANOUT | |
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| 77 | PIPE_BIND_SHARED); |
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| 78 | } |
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| 79 | |||
| 80 | if ((usage & PIPE_BIND_DEPTH_STENCIL) && |
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| 81 | (fd_pipe2depth(format) != ~0)) { |
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| 82 | retval |= PIPE_BIND_DEPTH_STENCIL; |
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| 83 | } |
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| 84 | |||
| 85 | if ((usage & PIPE_BIND_INDEX_BUFFER) && |
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| 86 | (fd_pipe2index(format) != ~0)) { |
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| 87 | retval |= PIPE_BIND_INDEX_BUFFER; |
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| 88 | } |
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| 89 | |||
| 90 | if (usage & PIPE_BIND_TRANSFER_READ) |
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| 91 | retval |= PIPE_BIND_TRANSFER_READ; |
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| 92 | if (usage & PIPE_BIND_TRANSFER_WRITE) |
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| 93 | retval |= PIPE_BIND_TRANSFER_WRITE; |
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| 94 | |||
| 95 | if (retval != usage) { |
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| 96 | DBG("not supported: format=%s, target=%d, sample_count=%d, " |
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| 97 | "usage=%x, retval=%x", util_format_name(format), |
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| 98 | target, sample_count, usage, retval); |
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| 99 | } |
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| 100 | |||
| 101 | return retval == usage; |
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| 102 | } |
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| 103 | |||
| 104 | void |
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| 105 | fd2_screen_init(struct pipe_screen *pscreen) |
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| 106 | { |
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| 107 | pscreen->context_create = fd2_context_create; |
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| 108 | pscreen->is_format_supported = fd2_screen_is_format_supported; |
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| 109 | } |