/* * Copyright (C) 2014 Rob Clark * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Authors: * Rob Clark */ #include "tgsi/tgsi_text.h" #include "tgsi/tgsi_ureg.h" #include "freedreno_program.h" #include "freedreno_context.h" static void fd_vs_state_bind(struct pipe_context *pctx, void *hwcso) { struct fd_context *ctx = fd_context(pctx); ctx->prog.vs = hwcso; ctx->dirty_shader[PIPE_SHADER_VERTEX] |= FD_DIRTY_SHADER_PROG; ctx->dirty |= FD_DIRTY_PROG; } static void fd_tcs_state_bind(struct pipe_context *pctx, void *hwcso) { struct fd_context *ctx = fd_context(pctx); ctx->prog.hs = hwcso; ctx->dirty_shader[PIPE_SHADER_TESS_CTRL] |= FD_DIRTY_SHADER_PROG; ctx->dirty |= FD_DIRTY_PROG; } static void fd_tes_state_bind(struct pipe_context *pctx, void *hwcso) { struct fd_context *ctx = fd_context(pctx); ctx->prog.ds = hwcso; ctx->dirty_shader[PIPE_SHADER_TESS_EVAL] |= FD_DIRTY_SHADER_PROG; ctx->dirty |= FD_DIRTY_PROG; } static void fd_gs_state_bind(struct pipe_context *pctx, void *hwcso) { struct fd_context *ctx = fd_context(pctx); ctx->prog.gs = hwcso; ctx->dirty_shader[PIPE_SHADER_GEOMETRY] |= FD_DIRTY_SHADER_PROG; ctx->dirty |= FD_DIRTY_PROG; } static void fd_fs_state_bind(struct pipe_context *pctx, void *hwcso) { struct fd_context *ctx = fd_context(pctx); ctx->prog.fs = hwcso; ctx->dirty_shader[PIPE_SHADER_FRAGMENT] |= FD_DIRTY_SHADER_PROG; ctx->dirty |= FD_DIRTY_PROG; } static const char *solid_fs = "FRAG \n" "PROPERTY FS_COLOR0_WRITES_ALL_CBUFS 1 \n" "DCL CONST[0] \n" "DCL OUT[0], COLOR \n" " 0: MOV OUT[0], CONST[0] \n" " 1: END \n"; static const char *solid_vs = "VERT \n" "DCL IN[0] \n" "DCL OUT[0], POSITION \n" " 0: MOV OUT[0], IN[0] \n" " 1: END \n"; static void * assemble_tgsi(struct pipe_context *pctx, const char *src, bool frag) { struct tgsi_token toks[32]; struct pipe_shader_state cso = { .tokens = toks, }; bool ret = tgsi_text_translate(src, toks, ARRAY_SIZE(toks)); assume(ret); if (frag) return pctx->create_fs_state(pctx, &cso); else return pctx->create_vs_state(pctx, &cso); } /* the correct semantic to use for the texcoord varying depends on pipe-cap: */ static enum tgsi_semantic texcoord_semantic(struct pipe_context *pctx) { struct pipe_screen *pscreen = pctx->screen; if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_TEXCOORD)) { return TGSI_SEMANTIC_TEXCOORD; } else { return TGSI_SEMANTIC_GENERIC; } } static void * fd_prog_blit_vs(struct pipe_context *pctx) { struct ureg_program *ureg; ureg = ureg_create(PIPE_SHADER_VERTEX); if (!ureg) return NULL; struct ureg_src in0 = ureg_DECL_vs_input(ureg, 0); struct ureg_src in1 = ureg_DECL_vs_input(ureg, 1); struct ureg_dst out0 = ureg_DECL_output(ureg, texcoord_semantic(pctx), 0); struct ureg_dst out1 = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 1); ureg_MOV(ureg, out0, in0); ureg_MOV(ureg, out1, in1); ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, pctx); } static void * fd_prog_blit_fs(struct pipe_context *pctx, int rts, bool depth) { int i; struct ureg_src tc; struct ureg_program *ureg; debug_assert(rts <= MAX_RENDER_TARGETS); ureg = ureg_create(PIPE_SHADER_FRAGMENT); if (!ureg) return NULL; tc = ureg_DECL_fs_input( ureg, texcoord_semantic(pctx), 0, TGSI_INTERPOLATE_PERSPECTIVE); for (i = 0; i < rts; i++) ureg_TEX(ureg, ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, i), TGSI_TEXTURE_2D, tc, ureg_DECL_sampler(ureg, i)); if (depth) ureg_TEX(ureg, ureg_writemask( ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0), TGSI_WRITEMASK_Z), TGSI_TEXTURE_2D, tc, ureg_DECL_sampler(ureg, rts)); ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, pctx); } void fd_prog_init(struct pipe_context *pctx) { struct fd_context *ctx = fd_context(pctx); int i; pctx->bind_vs_state = fd_vs_state_bind; pctx->bind_tcs_state = fd_tcs_state_bind; pctx->bind_tes_state = fd_tes_state_bind; pctx->bind_gs_state = fd_gs_state_bind; pctx->bind_fs_state = fd_fs_state_bind; ctx->solid_prog.fs = assemble_tgsi(pctx, solid_fs, true); ctx->solid_prog.vs = assemble_tgsi(pctx, solid_vs, false); if (ctx->screen->gpu_id >= 500) return; ctx->blit_prog[0].vs = fd_prog_blit_vs(pctx); ctx->blit_prog[0].fs = fd_prog_blit_fs(pctx, 1, false); if (ctx->screen->gpu_id < 300) return; for (i = 1; i < ctx->screen->max_rts; i++) { ctx->blit_prog[i].vs = ctx->blit_prog[0].vs; ctx->blit_prog[i].fs = fd_prog_blit_fs(pctx, i + 1, false); } ctx->blit_z.vs = ctx->blit_prog[0].vs; ctx->blit_z.fs = fd_prog_blit_fs(pctx, 0, true); ctx->blit_zs.vs = ctx->blit_prog[0].vs; ctx->blit_zs.fs = fd_prog_blit_fs(pctx, 1, true); } void fd_prog_fini(struct pipe_context *pctx) { struct fd_context *ctx = fd_context(pctx); int i; pctx->delete_vs_state(pctx, ctx->solid_prog.vs); pctx->delete_fs_state(pctx, ctx->solid_prog.fs); if (ctx->screen->gpu_id >= 500) return; pctx->delete_vs_state(pctx, ctx->blit_prog[0].vs); pctx->delete_fs_state(pctx, ctx->blit_prog[0].fs); if (ctx->screen->gpu_id < 300) return; for (i = 1; i < ctx->screen->max_rts; i++) pctx->delete_fs_state(pctx, ctx->blit_prog[i].fs); pctx->delete_fs_state(pctx, ctx->blit_z.fs); pctx->delete_fs_state(pctx, ctx->blit_zs.fs); }