src/mesa/drivers/dri/i965/brw_program.h

   1 /*
   2  * Copyright © 2011 Intel Corporation
   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
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef BRW_PROGRAM_H
  25 #define BRW_PROGRAM_H
  26
  27 enum gen6_gather_sampler_wa {
  28    WA_SIGN = 1,      /* whether we need to sign extend */
  29    WA_8BIT = 2,      /* if we have an 8bit format needing wa */
  30    WA_16BIT = 4,     /* if we have a 16bit format needing wa */
  31 };
  32
  33 /**
  34  * Sampler information needed by VS, WM, and GS program cache keys.
  35  */
  36 struct brw_sampler_prog_key_data {
  37    /**
  38     * EXT_texture_swizzle and DEPTH_TEXTURE_MODE swizzles.
  39     */
  40    uint16_t swizzles[MAX_SAMPLERS];
  41
  42    uint16_t gl_clamp_mask[3];
  43
  44    /**
  45     * YUV conversions, needed for the GL_MESA_ycbcr extension.
  46     */
  47    uint16_t yuvtex_mask;
  48    uint16_t yuvtex_swap_mask; /**< UV swaped */
  49
  50    /**
  51     * For RG32F, gather4's channel select is broken.
  52     */
  53    uint16_t gather_channel_quirk_mask;
  54
  55    /**
  56     * Whether this sampler uses the compressed multisample surface layout.
  57     */
  58    uint16_t compressed_multisample_layout_mask;
  59
  60    /**
  61     * For Sandybridge, which shader w/a we need for gather quirks.
  62     */
  63    uint8_t gen6_gather_wa[MAX_SAMPLERS];
  64 };
  65
  66 #ifdef __cplusplus
  67 extern "C" {
  68 #endif
  69
  70 void brw_populate_sampler_prog_key_data(struct gl_context *ctx,
  71                                         const struct gl_program *prog,
  72                                         unsigned sampler_count,
  73                                         struct brw_sampler_prog_key_data *key);
  74 bool brw_debug_recompile_sampler_key(struct brw_context *brw,
  75                                      const struct brw_sampler_prog_key_data *old_key,
  76                                      const struct brw_sampler_prog_key_data *key);
  77 void brw_add_texrect_params(struct gl_program *prog);
  78
  79 void
  80 brw_mark_surface_used(struct brw_stage_prog_data *prog_data,
  81                       unsigned surf_index);
  82
  83 bool
  84 brw_stage_prog_data_compare(const struct brw_stage_prog_data *a,
  85                             const struct brw_stage_prog_data *b);
  86
  87 void
  88 brw_stage_prog_data_free(const void *prog_data);
  89
  90 void
  91 brw_dump_ir(struct brw_context *brw, const char *stage,
  92             struct gl_shader_program *shader_prog,
  93             struct gl_shader *shader, struct gl_program *prog);
  94
  95 #ifdef __cplusplus
  96 } /* extern "C" */
  97 #endif
  98
  99 #endif