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      1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
      2 
      3 /*
      4  * Copyright (C) 2014 Rob Clark <robclark (at) freedesktop.org>
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice (including the next
     14  * paragraph) shall be included in all copies or substantial portions of the
     15  * Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     23  * SOFTWARE.
     24  *
     25  * Authors:
     26  *    Rob Clark <robclark (at) freedesktop.org>
     27  */
     28 
     29 #ifndef FD4_CONTEXT_H_
     30 #define FD4_CONTEXT_H_
     31 
     32 #include "util/u_upload_mgr.h"
     33 
     34 #include "freedreno_drmif.h"
     35 
     36 #include "freedreno_context.h"
     37 
     38 #include "ir3_shader.h"
     39 
     40 struct fd4_context {
     41 	struct fd_context base;
     42 
     43 	struct fd_bo *vs_pvt_mem, *fs_pvt_mem;
     44 
     45 	/* This only needs to be 4 * num_of_pipes bytes (ie. 32 bytes).  We
     46 	 * could combine it with another allocation.
     47 	 *
     48 	 * (upper area used as scratch bo.. see fd4_query)
     49 	 */
     50 	struct fd_bo *vsc_size_mem;
     51 
     52 	struct u_upload_mgr *border_color_uploader;
     53 	struct pipe_resource *border_color_buf;
     54 
     55 	/* if *any* of bits are set in {v,f}saturate_{s,t,r} */
     56 	bool vsaturate, fsaturate;
     57 
     58 	/* bitmask of sampler which needs coords clamped for vertex
     59 	 * shader:
     60 	 */
     61 	uint16_t vsaturate_s, vsaturate_t, vsaturate_r;
     62 
     63 	/* bitmask of sampler which needs coords clamped for frag
     64 	 * shader:
     65 	 */
     66 	uint16_t fsaturate_s, fsaturate_t, fsaturate_r;
     67 
     68 	/* bitmask of samplers which need astc srgb workaround: */
     69 	uint16_t vastc_srgb, fastc_srgb;
     70 
     71 	/* some state changes require a different shader variant.  Keep
     72 	 * track of this so we know when we need to re-emit shader state
     73 	 * due to variant change.  See fixup_shader_state()
     74 	 */
     75 	struct ir3_shader_key last_key;
     76 };
     77 
     78 static inline struct fd4_context *
     79 fd4_context(struct fd_context *ctx)
     80 {
     81 	return (struct fd4_context *)ctx;
     82 }
     83 
     84 struct pipe_context *
     85 fd4_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
     86 
     87 #endif /* FD4_CONTEXT_H_ */
     88