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      1 /*
      2  * Copyright (C) 2016 Rob Clark <robclark (at) freedesktop.org>
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     21  * SOFTWARE.
     22  *
     23  * Authors:
     24  *    Rob Clark <robclark (at) freedesktop.org>
     25  */
     26 
     27 #ifndef FD5_CONTEXT_H_
     28 #define FD5_CONTEXT_H_
     29 
     30 #include "util/u_upload_mgr.h"
     31 
     32 #include "freedreno_drmif.h"
     33 
     34 #include "freedreno_context.h"
     35 
     36 #include "ir3_shader.h"
     37 
     38 struct fd5_context {
     39 	struct fd_context base;
     40 
     41 	struct fd_bo *vs_pvt_mem, *fs_pvt_mem;
     42 
     43 	/* This only needs to be 4 * num_of_pipes bytes (ie. 32 bytes).  We
     44 	 * could combine it with another allocation.
     45 	 *
     46 	 * (upper area used as scratch bo.. see fd5_query)
     47 	 *
     48 	 * XXX remove if unneeded after binning r/e..
     49 	 */
     50 	struct fd_bo *vsc_size_mem;
     51 
     52 	/* TODO not sure what this is for.. probably similar to
     53 	 * CACHE_FLUSH_TS on kernel side, where value gets written
     54 	 * to this address synchronized w/ 3d (ie. a way to
     55 	 * synchronize when the CP is running far ahead)
     56 	 */
     57 	struct fd_bo *blit_mem;
     58 
     59 	struct u_upload_mgr *border_color_uploader;
     60 	struct pipe_resource *border_color_buf;
     61 
     62 	/* if *any* of bits are set in {v,f}saturate_{s,t,r} */
     63 	bool vsaturate, fsaturate;
     64 
     65 	/* bitmask of sampler which needs coords clamped for vertex
     66 	 * shader:
     67 	 */
     68 	uint16_t vsaturate_s, vsaturate_t, vsaturate_r;
     69 
     70 	/* bitmask of sampler which needs coords clamped for frag
     71 	 * shader:
     72 	 */
     73 	uint16_t fsaturate_s, fsaturate_t, fsaturate_r;
     74 
     75 	/* bitmask of samplers which need astc srgb workaround: */
     76 	uint16_t vastc_srgb, fastc_srgb;
     77 
     78 	/* some state changes require a different shader variant.  Keep
     79 	 * track of this so we know when we need to re-emit shader state
     80 	 * due to variant change.  See fixup_shader_state()
     81 	 */
     82 	struct ir3_shader_key last_key;
     83 };
     84 
     85 static inline struct fd5_context *
     86 fd5_context(struct fd_context *ctx)
     87 {
     88 	return (struct fd5_context *)ctx;
     89 }
     90 
     91 struct pipe_context *
     92 fd5_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
     93 
     94 #endif /* FD5_CONTEXT_H_ */
     95