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 30 #include "fd2_context.h" 31 #include "fd2_blend.h" 32 #include "fd2_draw.h" 33 #include "fd2_emit.h" 34 #include "fd2_gmem.h" 35 #include "fd2_program.h" 36 #include "fd2_rasterizer.h" 37 #include "fd2_texture.h" 38 #include "fd2_zsa.h" 39 40 static void 41 fd2_context_destroy(struct pipe_context *pctx) 42 { 43 fd_context_destroy(pctx); 44 } 45 46 static struct pipe_resource * 47 create_solid_vertexbuf(struct pipe_context *pctx) 48 { 49 static const float init_shader_const[] = { 50 /* for clear/gmem2mem: */ 51 -1.000000, +1.000000, +1.000000, +1.100000, 52 +1.000000, +1.000000, -1.000000, -1.100000, 53 +1.000000, +1.100000, -1.100000, +1.000000, 54 /* for mem2gmem: (vertices) */ 55 -1.000000, +1.000000, +1.000000, +1.000000, 56 +1.000000, +1.000000, -1.000000, -1.000000, 57 +1.000000, +1.000000, -1.000000, +1.000000, 58 /* for mem2gmem: (tex coords) */ 59 +0.000000, +0.000000, +1.000000, +0.000000, 60 +0.000000, +1.000000, +1.000000, +1.000000, 61 }; 62 struct pipe_resource *prsc = pipe_buffer_create(pctx->screen, 63 PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const)); 64 pipe_buffer_write(pctx, prsc, 0, 65 sizeof(init_shader_const), init_shader_const); 66 return prsc; 67 } 68 69 static const uint8_t a22x_primtypes[PIPE_PRIM_MAX] = { 70 [PIPE_PRIM_POINTS] = DI_PT_POINTLIST_PSIZE, 71 [PIPE_PRIM_LINES] = DI_PT_LINELIST, 72 [PIPE_PRIM_LINE_STRIP] = DI_PT_LINESTRIP, 73 [PIPE_PRIM_LINE_LOOP] = DI_PT_LINELOOP, 74 [PIPE_PRIM_TRIANGLES] = DI_PT_TRILIST, 75 [PIPE_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP, 76 [PIPE_PRIM_TRIANGLE_FAN] = DI_PT_TRIFAN, 77 }; 78 79 static const uint8_t a20x_primtypes[PIPE_PRIM_MAX] = { 80 [PIPE_PRIM_POINTS] = DI_PT_POINTLIST_PSIZE, 81 [PIPE_PRIM_LINES] = DI_PT_LINELIST, 82 [PIPE_PRIM_LINE_STRIP] = DI_PT_LINESTRIP, 83 [PIPE_PRIM_TRIANGLES] = DI_PT_TRILIST, 84 [PIPE_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP, 85 [PIPE_PRIM_TRIANGLE_FAN] = DI_PT_TRIFAN, 86 }; 87 88 struct pipe_context * 89 fd2_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags) 90 { 91 struct fd_screen *screen = fd_screen(pscreen); 92 struct fd2_context *fd2_ctx = CALLOC_STRUCT(fd2_context); 93 struct pipe_context *pctx; 94 95 if (!fd2_ctx) 96 return NULL; 97 98 pctx = &fd2_ctx->base.base; 99 100 fd2_ctx->base.dev = fd_device_ref(screen->dev); 101 fd2_ctx->base.screen = fd_screen(pscreen); 102 103 pctx->destroy = fd2_context_destroy; 104 pctx->create_blend_state = fd2_blend_state_create; 105 pctx->create_rasterizer_state = fd2_rasterizer_state_create; 106 pctx->create_depth_stencil_alpha_state = fd2_zsa_state_create; 107 108 fd2_draw_init(pctx); 109 fd2_gmem_init(pctx); 110 fd2_texture_init(pctx); 111 fd2_prog_init(pctx); 112 fd2_emit_init(pctx); 113 114 pctx = fd_context_init(&fd2_ctx->base, pscreen, 115 (screen->gpu_id >= 220) ? a22x_primtypes : a20x_primtypes, 116 priv); 117 if (!pctx) 118 return NULL; 119 120 /* construct vertex state used for solid ops (clear, and gmem<->mem) */ 121 fd2_ctx->solid_vertexbuf = create_solid_vertexbuf(pctx); 122 123 return pctx; 124 } 125
