1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2013 Rob Clark <robclark (at) freedesktop.org> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Rob Clark <robclark (at) freedesktop.org> 27 */ 28 29 #include "pipe/p_screen.h" 30 #include "util/u_format.h" 31 32 #include "fd2_screen.h" 33 #include "fd2_context.h" 34 #include "fd2_util.h" 35 36 static boolean 37 fd2_screen_is_format_supported(struct pipe_screen *pscreen, 38 enum pipe_format format, 39 enum pipe_texture_target target, 40 unsigned sample_count, 41 unsigned usage) 42 { 43 unsigned retval = 0; 44 45 if ((target >= PIPE_MAX_TEXTURE_TYPES) || 46 (sample_count > 1) || /* TODO add MSAA */ 47 !util_format_is_supported(format, usage)) { 48 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x", 49 util_format_name(format), target, sample_count, usage); 50 return FALSE; 51 } 52 53 /* TODO figure out how to render to other formats.. */ 54 if ((usage & PIPE_BIND_RENDER_TARGET) && 55 ((format != PIPE_FORMAT_B5G6R5_UNORM) && 56 (format != PIPE_FORMAT_B5G5R5A1_UNORM) && 57 (format != PIPE_FORMAT_B5G5R5X1_UNORM) && 58 (format != PIPE_FORMAT_B4G4R4A4_UNORM) && 59 (format != PIPE_FORMAT_B4G4R4X4_UNORM) && 60 (format != PIPE_FORMAT_B8G8R8A8_UNORM) && 61 (format != PIPE_FORMAT_B8G8R8X8_UNORM) && 62 (format != PIPE_FORMAT_R8G8B8A8_UNORM) && 63 (format != PIPE_FORMAT_R8G8B8X8_UNORM))) { 64 DBG("not supported render target: format=%s, target=%d, sample_count=%d, usage=%x", 65 util_format_name(format), target, sample_count, usage); 66 return FALSE; 67 } 68 69 if ((usage & (PIPE_BIND_SAMPLER_VIEW | 70 PIPE_BIND_VERTEX_BUFFER)) && 71 (fd2_pipe2surface(format) != (enum a2xx_sq_surfaceformat)~0)) { 72 retval |= usage & (PIPE_BIND_SAMPLER_VIEW | 73 PIPE_BIND_VERTEX_BUFFER); 74 } 75 76 if ((usage & (PIPE_BIND_RENDER_TARGET | 77 PIPE_BIND_DISPLAY_TARGET | 78 PIPE_BIND_SCANOUT | 79 PIPE_BIND_SHARED)) && 80 (fd2_pipe2color(format) != (enum a2xx_colorformatx)~0)) { 81 retval |= usage & (PIPE_BIND_RENDER_TARGET | 82 PIPE_BIND_DISPLAY_TARGET | 83 PIPE_BIND_SCANOUT | 84 PIPE_BIND_SHARED); 85 } 86 87 if ((usage & PIPE_BIND_DEPTH_STENCIL) && 88 (fd_pipe2depth(format) != (enum adreno_rb_depth_format)~0)) { 89 retval |= PIPE_BIND_DEPTH_STENCIL; 90 } 91 92 if ((usage & PIPE_BIND_INDEX_BUFFER) && 93 (fd_pipe2index(format) != (enum pc_di_index_size)~0)) { 94 retval |= PIPE_BIND_INDEX_BUFFER; 95 } 96 97 if (retval != usage) { 98 DBG("not supported: format=%s, target=%d, sample_count=%d, " 99 "usage=%x, retval=%x", util_format_name(format), 100 target, sample_count, usage, retval); 101 } 102 103 return retval == usage; 104 } 105 106 void 107 fd2_screen_init(struct pipe_screen *pscreen) 108 { 109 fd_screen(pscreen)->max_rts = 1; 110 pscreen->context_create = fd2_context_create; 111 pscreen->is_format_supported = fd2_screen_is_format_supported; 112 } 113
