src/gallium/drivers/freedreno/ir3/ir3_gallium.h

   1 /*
   2  * Copyright (C) 2014 Rob Clark <robclark@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@freedesktop.org>
  25  */
  26
  27 #ifndef IR3_GALLIUM_H_
  28 #define IR3_GALLIUM_H_
  29
  30 #include "pipe/p_state.h"
  31 #include "pipe/p_screen.h"
  32 #include "ir3/ir3_shader.h"
  33
  34 struct ir3_shader * ir3_shader_create(struct ir3_compiler *compiler,
  35                 const struct pipe_shader_state *cso,
  36                 struct pipe_debug_callback *debug,
  37                 struct pipe_screen *screen);
  38 struct ir3_shader *
  39 ir3_shader_create_compute(struct ir3_compiler *compiler,
  40                 const struct pipe_compute_state *cso,
  41                 struct pipe_debug_callback *debug,
  42                 struct pipe_screen *screen);
  43 struct ir3_shader_variant * ir3_shader_variant(struct ir3_shader *shader,
  44                 struct ir3_shader_key key, bool binning_pass,
  45                 struct pipe_debug_callback *debug);
  46
  47 void * ir3_shader_state_create(struct pipe_context *pctx, const struct pipe_shader_state *cso);
  48 void ir3_shader_state_delete(struct pipe_context *pctx, void *hwcso);
  49
  50 void ir3_prog_init(struct pipe_context *pctx);
  51 void ir3_screen_init(struct pipe_screen *pscreen);
  52
  53 /**
  54  * A helper to determine if a fs input 'i' is point/sprite coord, given
  55  * the specified sprite_coord_enable mask
  56  */
  57 static inline bool
  58 ir3_point_sprite(const struct ir3_shader_variant *fs, int i,
  59                 uint32_t sprite_coord_enable, bool *coord_mode)
  60 {
  61         gl_varying_slot slot = fs->inputs[i].slot;
  62         switch (slot) {
  63         case VARYING_SLOT_PNTC:
  64                 *coord_mode = true;
  65                 return true;
  66         case VARYING_SLOT_TEX0 ... VARYING_SLOT_TEX7:
  67                 return !!(sprite_coord_enable & BITFIELD_BIT(slot - VARYING_SLOT_TEX0));
  68         default:
  69                 return false;
  70         }
  71 }
  72
  73 #endif /* IR3_GALLIUM_H_ */