1 /* 2 * Copyright (C) 2016 Rob Clark <robclark (at) freedesktop.org> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Rob Clark <robclark (at) freedesktop.org> 25 */ 26 27 #include "pipe/p_screen.h" 28 #include "util/u_format.h" 29 30 #include "fd5_screen.h" 31 #include "fd5_context.h" 32 #include "fd5_format.h" 33 #include "ir3_compiler.h" 34 35 static boolean 36 fd5_screen_is_format_supported(struct pipe_screen *pscreen, 37 enum pipe_format format, 38 enum pipe_texture_target target, 39 unsigned sample_count, 40 unsigned usage) 41 { 42 unsigned retval = 0; 43 44 if ((target >= PIPE_MAX_TEXTURE_TYPES) || 45 (sample_count > 1) || /* TODO add MSAA */ 46 !util_format_is_supported(format, usage)) { 47 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x", 48 util_format_name(format), target, sample_count, usage); 49 return FALSE; 50 } 51 52 if ((usage & PIPE_BIND_VERTEX_BUFFER) && 53 (fd5_pipe2vtx(format) != (enum a5xx_vtx_fmt)~0)) { 54 retval |= PIPE_BIND_VERTEX_BUFFER; 55 } 56 57 if ((usage & PIPE_BIND_SAMPLER_VIEW) && 58 (target == PIPE_BUFFER || 59 util_format_get_blocksize(format) != 12) && 60 (fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) { 61 retval |= PIPE_BIND_SAMPLER_VIEW; 62 } 63 64 if ((usage & (PIPE_BIND_RENDER_TARGET | 65 PIPE_BIND_DISPLAY_TARGET | 66 PIPE_BIND_SCANOUT | 67 PIPE_BIND_SHARED)) && 68 (fd5_pipe2color(format) != (enum a5xx_color_fmt)~0) && 69 (fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) { 70 retval |= usage & (PIPE_BIND_RENDER_TARGET | 71 PIPE_BIND_DISPLAY_TARGET | 72 PIPE_BIND_SCANOUT | 73 PIPE_BIND_SHARED); 74 } 75 76 if ((usage & PIPE_BIND_DEPTH_STENCIL) && 77 (fd5_pipe2depth(format) != (enum a5xx_depth_format)~0) && 78 (fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) { 79 retval |= PIPE_BIND_DEPTH_STENCIL; 80 } 81 82 if ((usage & PIPE_BIND_INDEX_BUFFER) && 83 (fd_pipe2index(format) != (enum pc_di_index_size)~0)) { 84 retval |= PIPE_BIND_INDEX_BUFFER; 85 } 86 87 if (retval != usage) { 88 DBG("not supported: format=%s, target=%d, sample_count=%d, " 89 "usage=%x, retval=%x", util_format_name(format), 90 target, sample_count, usage, retval); 91 } 92 93 return retval == usage; 94 } 95 96 void 97 fd5_screen_init(struct pipe_screen *pscreen) 98 { 99 struct fd_screen *screen = fd_screen(pscreen); 100 screen->max_rts = A5XX_MAX_RENDER_TARGETS; 101 screen->compiler = ir3_compiler_create(screen->dev, screen->gpu_id); 102 pscreen->context_create = fd5_context_create; 103 pscreen->is_format_supported = fd5_screen_is_format_supported; 104 } 105