/************************************************************************** * * Copyright 2010 Christian König * All Rights Reserved. * * 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, sub license, 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 NON-INFRINGEMENT. * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. * **************************************************************************/ #ifndef vl_idct_h #define vl_idct_h #include #include "vl_vertex_buffers.h" struct vl_idct { struct pipe_context *pipe; unsigned buffer_width; unsigned buffer_height; unsigned blocks_x, blocks_y; void *rs_state; union { void *all[4]; void *stage[2][2]; struct { void *matrix, *source; void *transpose, *intermediate; } individual; } samplers; void *matrix_vs, *transpose_vs; void *matrix_fs, *transpose_fs; struct pipe_resource *matrix; }; struct vl_idct_buffer { struct pipe_viewport_state viewport[2]; struct pipe_framebuffer_state fb_state[2]; struct pipe_resource *destination; union { struct pipe_sampler_view *all[4]; struct pipe_sampler_view *stage[2][2]; struct { struct pipe_sampler_view *matrix, *source; struct pipe_sampler_view *transpose, *intermediate; } individual; } sampler_views; union { struct pipe_resource *all[4]; struct pipe_resource *stage[2][2]; struct { struct pipe_resource *matrix, *source; struct pipe_resource *transpose, *intermediate; } individual; } textures; struct pipe_transfer *tex_transfer; short *texels; }; struct pipe_resource *vl_idct_upload_matrix(struct pipe_context *pipe); bool vl_idct_init(struct vl_idct *idct, struct pipe_context *pipe, unsigned buffer_width, unsigned buffer_height, unsigned blocks_x, unsigned blocks_y, int color_swizzle, struct pipe_resource *matrix); void vl_idct_cleanup(struct vl_idct *idct); bool vl_idct_init_buffer(struct vl_idct *idct, struct vl_idct_buffer *buffer, struct pipe_resource *dst); void vl_idct_cleanup_buffer(struct vl_idct *idct, struct vl_idct_buffer *buffer); void vl_idct_map_buffers(struct vl_idct *idct, struct vl_idct_buffer *buffer); void vl_idct_add_block(struct vl_idct_buffer *buffer, unsigned x, unsigned y, short *block); void vl_idct_unmap_buffers(struct vl_idct *idct, struct vl_idct_buffer *buffer); void vl_idct_flush(struct vl_idct *idct, struct vl_idct_buffer *buffer, unsigned num_verts); #endif