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_blitter.h" 32 #include "fd5_context.h" 33 #include "fd5_format.h" 34 #include "fd5_resource.h" 35 36 #include "ir3_compiler.h" 37 38 static boolean 39 fd5_screen_is_format_supported(struct pipe_screen *pscreen, 40 enum pipe_format format, 41 enum pipe_texture_target target, 42 unsigned sample_count, 43 unsigned usage) 44 { 45 unsigned retval = 0; 46 47 if ((target >= PIPE_MAX_TEXTURE_TYPES) || 48 (sample_count > 1) || /* TODO add MSAA */ 49 !util_format_is_supported(format, usage)) { 50 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x", 51 util_format_name(format), target, sample_count, usage); 52 return FALSE; 53 } 54 55 if ((usage & PIPE_BIND_VERTEX_BUFFER) && 56 (fd5_pipe2vtx(format) != (enum a5xx_vtx_fmt)~0)) { 57 retval |= PIPE_BIND_VERTEX_BUFFER; 58 } 59 60 if ((usage & PIPE_BIND_SAMPLER_VIEW) && 61 (target == PIPE_BUFFER || 62 util_format_get_blocksize(format) != 12) && 63 (fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) { 64 retval |= PIPE_BIND_SAMPLER_VIEW; 65 } 66 67 if ((usage & (PIPE_BIND_RENDER_TARGET | 68 PIPE_BIND_DISPLAY_TARGET | 69 PIPE_BIND_SCANOUT | 70 PIPE_BIND_SHARED)) && 71 (fd5_pipe2color(format) != (enum a5xx_color_fmt)~0) && 72 (fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) { 73 retval |= usage & (PIPE_BIND_RENDER_TARGET | 74 PIPE_BIND_DISPLAY_TARGET | 75 PIPE_BIND_SCANOUT | 76 PIPE_BIND_SHARED); 77 } 78 79 /* For ARB_framebuffer_no_attachments: */ 80 if ((usage & PIPE_BIND_RENDER_TARGET) && (format == PIPE_FORMAT_NONE)) { 81 retval |= usage & PIPE_BIND_RENDER_TARGET; 82 } 83 84 if ((usage & PIPE_BIND_DEPTH_STENCIL) && 85 (fd5_pipe2depth(format) != (enum a5xx_depth_format)~0) && 86 (fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) { 87 retval |= PIPE_BIND_DEPTH_STENCIL; 88 } 89 90 if ((usage & PIPE_BIND_INDEX_BUFFER) && 91 (fd_pipe2index(format) != (enum pc_di_index_size)~0)) { 92 retval |= PIPE_BIND_INDEX_BUFFER; 93 } 94 95 if (retval != usage) { 96 DBG("not supported: format=%s, target=%d, sample_count=%d, " 97 "usage=%x, retval=%x", util_format_name(format), 98 target, sample_count, usage, retval); 99 } 100 101 return retval == usage; 102 } 103 104 void 105 fd5_screen_init(struct pipe_screen *pscreen) 106 { 107 struct fd_screen *screen = fd_screen(pscreen); 108 screen->max_rts = A5XX_MAX_RENDER_TARGETS; 109 screen->compiler = ir3_compiler_create(screen->dev, screen->gpu_id); 110 pscreen->context_create = fd5_context_create; 111 pscreen->is_format_supported = fd5_screen_is_format_supported; 112 113 screen->setup_slices = fd5_setup_slices; 114 if (fd_mesa_debug & FD_DBG_TTILE) 115 screen->tile_mode = fd5_tile_mode; 116 } 117