1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2010 Christian König 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 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 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef vl_idct_h 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define vl_idct_h 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_state.h" 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "tgsi/tgsi_ureg.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* shader based inverse distinct cosinus transformation 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * expect usage of vl_vertex_buffers as a todo list 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct vl_idct 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_context *pipe; 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned buffer_width; 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned buffer_height; 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned nr_of_render_targets; 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *rs_state; 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *blend; 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *samplers[2]; 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *vs_mismatch, *fs_mismatch; 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *vs, *fs; 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *matrix; 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *transpose; 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* a set of buffers to work with */ 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct vl_idct_buffer 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_viewport_state viewport_mismatch; 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_viewport_state viewport; 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_framebuffer_state fb_state_mismatch; 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_framebuffer_state fb_state; 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org union 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *all[4]; 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *stage[2][2]; 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct { 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *source, *matrix; 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *intermediate, *transpose; 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } individual; 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } sampler_views; 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* upload the idct matrix, which can be shared by all idct instances of a pipe */ 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pipe_sampler_view * 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_idct_upload_matrix(struct pipe_context *pipe, float scale); 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_idct_stage2_vert_shader(struct vl_idct *idct, struct ureg_program *shader, 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned first_output, struct ureg_dst tex); 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_idct_stage2_frag_shader(struct vl_idct *idct, struct ureg_program *shader, 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned first_input, struct ureg_dst fragment); 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* init an idct instance */ 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_idct_init(struct vl_idct *idct, struct pipe_context *pipe, 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned buffer_width, unsigned buffer_height, 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned nr_of_render_targets, 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *matrix, 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *transpose); 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* destroy an idct instance */ 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_idct_cleanup(struct vl_idct *idct); 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* init a buffer assosiated with agiven idct instance */ 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_idct_init_buffer(struct vl_idct *idct, struct vl_idct_buffer *buffer, 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *source, 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *intermediate); 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* cleanup a buffer of an idct instance */ 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_idct_cleanup_buffer(struct vl_idct_buffer *buffer); 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* flush the buffer and start rendering, vertex buffers needs to be setup before calling this */ 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_idct_flush(struct vl_idct *idct, struct vl_idct_buffer *buffer, unsigned num_verts); 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_idct_prepare_stage2(struct vl_idct *idct, struct vl_idct_buffer *buffer); 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 120