1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Joakim Sindholt <opensource@zhasha.com> 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2009 Marek Olšák <maraeo@gmail.com> 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * on the rights to use, copy, modify, merge, publish, distribute, sub 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * license, and/or sell copies of the Software, and to permit persons to whom 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the Software is furnished to do so, subject to the following conditions: 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the next 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * paragraph) shall be included in all copies or substantial portions of the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software. 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * USE OR OTHER DEALINGS IN THE SOFTWARE. */ 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef R300_FS_H 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define R300_FS_H 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_state.h" 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "tgsi/tgsi_scan.h" 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "compiler/radeon_code.h" 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "r300_shader_semantics.h" 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct r300_fragment_shader_code { 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct rX00_fragment_program_code code; 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct tgsi_shader_info info; 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_shader_semantics inputs; 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Whether the shader was replaced by a dummy one due to a shader 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * compilation failure. */ 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean dummy; 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Numbers of constants for each type. */ 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned externals_count; 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned immediates_count; 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned rc_state_count; 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Registers for fragment depth output setup. */ 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org uint32_t fg_depth_src; /* R300_FG_DEPTH_SRC: 0x4bd8 */ 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org uint32_t us_out_w; /* R300_US_W_FMT: 0x46b4 */ 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_fragment_program_external_state compare_state; 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned cb_code_size; 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org uint32_t *cb_code; 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_fragment_shader_code* next; 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean write_all; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct r300_fragment_shader { 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Parent class */ 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_shader_state state; 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Currently-bound fragment shader. */ 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_fragment_shader_code* shader; 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* List of the same shaders compiled with different texture-compare 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * states. */ 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_fragment_shader_code* first; 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid r300_shader_read_fs_inputs(struct tgsi_shader_info* info, 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_shader_semantics* fs_inputs); 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Return TRUE if the shader was switched and should be re-emitted. */ 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgboolean r300_pick_fragment_shader(struct r300_context* r300); 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE boolean r300_fragment_shader_writes_depth(struct r300_fragment_shader *fs) 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!fs) 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return FALSE; 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (fs->shader->code.writes_depth) ? TRUE : FALSE; 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE boolean r300_fragment_shader_writes_all(struct r300_fragment_shader *fs) 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!fs) 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return FALSE; 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (fs->shader->write_all) ? TRUE : FALSE; 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif /* R300_FS_H */ 94