1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2014 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 "fd4_screen.h" 33 #include "fd4_context.h" 34 #include "fd4_format.h" 35 #include "ir3_compiler.h" 36 37 static boolean 38 fd4_screen_is_format_supported(struct pipe_screen *pscreen, 39 enum pipe_format format, 40 enum pipe_texture_target target, 41 unsigned sample_count, 42 unsigned usage) 43 { 44 unsigned retval = 0; 45 46 if ((target >= PIPE_MAX_TEXTURE_TYPES) || 47 (sample_count > 1) || /* TODO add MSAA */ 48 !util_format_is_supported(format, usage)) { 49 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x", 50 util_format_name(format), target, sample_count, usage); 51 return FALSE; 52 } 53 54 if ((usage & PIPE_BIND_VERTEX_BUFFER) && 55 (fd4_pipe2vtx(format) != (enum a4xx_vtx_fmt)~0)) { 56 retval |= PIPE_BIND_VERTEX_BUFFER; 57 } 58 59 if ((usage & PIPE_BIND_SAMPLER_VIEW) && 60 (target == PIPE_BUFFER || 61 util_format_get_blocksize(format) != 12) && 62 (fd4_pipe2tex(format) != (enum a4xx_tex_fmt)~0)) { 63 retval |= PIPE_BIND_SAMPLER_VIEW; 64 } 65 66 if ((usage & (PIPE_BIND_RENDER_TARGET | 67 PIPE_BIND_DISPLAY_TARGET | 68 PIPE_BIND_SCANOUT | 69 PIPE_BIND_SHARED)) && 70 (fd4_pipe2color(format) != (enum a4xx_color_fmt)~0) && 71 (fd4_pipe2tex(format) != (enum a4xx_tex_fmt)~0)) { 72 retval |= usage & (PIPE_BIND_RENDER_TARGET | 73 PIPE_BIND_DISPLAY_TARGET | 74 PIPE_BIND_SCANOUT | 75 PIPE_BIND_SHARED); 76 } 77 78 if ((usage & PIPE_BIND_DEPTH_STENCIL) && 79 (fd4_pipe2depth(format) != (enum a4xx_depth_format)~0) && 80 (fd4_pipe2tex(format) != (enum a4xx_tex_fmt)~0)) { 81 retval |= PIPE_BIND_DEPTH_STENCIL; 82 } 83 84 if ((usage & PIPE_BIND_INDEX_BUFFER) && 85 (fd_pipe2index(format) != (enum pc_di_index_size)~0)) { 86 retval |= PIPE_BIND_INDEX_BUFFER; 87 } 88 89 if (retval != usage) { 90 DBG("not supported: format=%s, target=%d, sample_count=%d, " 91 "usage=%x, retval=%x", util_format_name(format), 92 target, sample_count, usage, retval); 93 } 94 95 return retval == usage; 96 } 97 98 void 99 fd4_screen_init(struct pipe_screen *pscreen) 100 { 101 struct fd_screen *screen = fd_screen(pscreen); 102 screen->max_rts = A4XX_MAX_RENDER_TARGETS; 103 screen->compiler = ir3_compiler_create(screen->dev, screen->gpu_id); 104 pscreen->context_create = fd4_context_create; 105 pscreen->is_format_supported = fd4_screen_is_format_supported; 106 } 107
