2 * Copyright © 2012 Intel Corporation
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:
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
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
29 #include "compiler/nir/nir.h"
30 #include "brw_compiler.h"
39 * Binding table indices used by BLORP.
42 BLORP_RENDERBUFFER_BT_INDEX
,
43 BLORP_TEXTURE_BT_INDEX
,
47 enum blorp_fast_clear_op
{
48 BLORP_FAST_CLEAR_OP_NONE
= 0,
49 BLORP_FAST_CLEAR_OP_CLEAR
,
50 BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL
,
51 BLORP_FAST_CLEAR_OP_RESOLVE_FULL
,
54 struct brw_blorp_surface_info
59 struct blorp_address addr
;
61 struct isl_surf aux_surf
;
62 struct blorp_address aux_addr
;
63 enum isl_aux_usage aux_usage
;
65 union isl_color_value clear_color
;
69 /* Z offset into a 3-D texture or slice of a 2-D array texture. */
72 uint32_t tile_x_sa
, tile_y_sa
;
76 brw_blorp_surface_info_init(struct blorp_context
*blorp
,
77 struct brw_blorp_surface_info
*info
,
78 const struct blorp_surf
*surf
,
79 unsigned int level
, unsigned int layer
,
80 enum isl_format format
, bool is_render_target
);
83 struct brw_blorp_coord_transform
90 * Bounding rectangle telling pixel discard which pixels are not to be
91 * touched. This is needed in when surfaces are configured as something else
92 * what they really are:
94 * - writing W-tiled stencil as Y-tiled
95 * - writing interleaved multisampled as single sampled.
97 * See blorp_nir_discard_if_outside_rect().
99 struct brw_blorp_discard_rect
108 * Grid needed for blended and scaled blits of integer formats, see
109 * blorp_nir_manual_blend_bilinear().
111 struct brw_blorp_rect_grid
118 struct blorp_surf_offset
{
123 struct brw_blorp_wm_inputs
125 struct brw_blorp_discard_rect discard_rect
;
126 struct brw_blorp_rect_grid rect_grid
;
127 struct brw_blorp_coord_transform coord_transform
[2];
129 struct blorp_surf_offset src_offset
;
130 struct blorp_surf_offset dst_offset
;
132 /* Minimum layer setting works for all the textures types but texture_3d
133 * for which the setting has no effect. Use the z-coordinate instead.
137 /* Pad out to an integral number of registers */
141 static inline unsigned
142 brw_blorp_get_urb_length(const struct brw_wm_prog_data
*prog_data
)
144 if (prog_data
== NULL
)
147 /* From the BSpec: 3D Pipeline - Strips and Fans - 3DSTATE_SBE
149 * read_length = ceiling((max_source_attr+1)/2)
151 return MAX2((prog_data
->num_varying_inputs
+ 1) / 2, 1);
161 uint8_t stencil_mask
;
163 struct brw_blorp_surface_info depth
;
164 struct brw_blorp_surface_info stencil
;
165 uint32_t depth_format
;
166 struct brw_blorp_surface_info src
;
167 struct brw_blorp_surface_info dst
;
168 enum blorp_hiz_op hiz_op
;
169 enum blorp_fast_clear_op fast_clear_op
;
170 bool color_write_disable
[4];
171 struct brw_blorp_wm_inputs wm_inputs
;
172 unsigned num_draw_buffers
;
174 uint32_t wm_prog_kernel
;
175 struct brw_wm_prog_data
*wm_prog_data
;
178 void blorp_params_init(struct blorp_params
*params
);
180 struct brw_blorp_blit_prog_key
182 /* Number of samples per pixel that have been configured in the surface
183 * state for texturing from.
185 unsigned tex_samples
;
187 /* MSAA layout that has been configured in the surface state for texturing
190 enum isl_msaa_layout tex_layout
;
192 enum isl_aux_usage tex_aux_usage
;
194 /* Actual number of samples per pixel in the source image. */
195 unsigned src_samples
;
197 /* Actual MSAA layout used by the source image. */
198 enum isl_msaa_layout src_layout
;
200 /* Number of samples per pixel that have been configured in the render
205 /* MSAA layout that has been configured in the render target. */
206 enum isl_msaa_layout rt_layout
;
208 /* Actual number of samples per pixel in the destination image. */
209 unsigned dst_samples
;
211 /* Actual MSAA layout used by the destination image. */
212 enum isl_msaa_layout dst_layout
;
214 /* Type of the data to be read from the texture (one of
215 * nir_type_(int|uint|float)).
217 nir_alu_type texture_data_type
;
219 /* True if the source image is W tiled. If true, the surface state for the
220 * source image must be configured as Y tiled, and tex_samples must be 0.
224 /* True if the destination image is W tiled. If true, the surface state
225 * for the render target must be configured as Y tiled, and rt_samples must
230 /* True if the destination is an RGB format. If true, the surface state
231 * for the render target must be configured as red with three times the
232 * normal width. We need to do this because you cannot render to
233 * non-power-of-two formats.
237 /* True if all source samples should be blended together to produce each
238 * destination pixel. If true, src_tiled_w must be false, tex_samples must
239 * equal src_samples, and tex_samples must be nonzero.
243 /* True if the rectangle being sent through the rendering pipeline might be
244 * larger than the destination rectangle, so the WM program should kill any
245 * pixels that are outside the destination rectangle.
250 * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
251 * than one sample per pixel.
253 bool persample_msaa_dispatch
;
255 /* True for scaled blitting. */
258 /* True if this blit operation may involve intratile offsets on the source.
259 * In this case, we need to add the offset before texturing.
261 bool need_src_offset
;
263 /* True if this blit operation may involve intratile offsets on the
264 * destination. In this case, we need to add the offset to gl_FragCoord.
266 bool need_dst_offset
;
268 /* Scale factors between the pixel grid and the grid of samples. We're
269 * using grid of samples for bilinear filetring in multisample scaled blits.
274 /* True for blits with filter = GL_LINEAR. */
275 bool bilinear_filter
;
279 * \name BLORP internals
282 * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
285 void brw_blorp_init_wm_prog_key(struct brw_wm_prog_key
*wm_key
);
288 blorp_compile_fs(struct blorp_context
*blorp
, void *mem_ctx
,
289 struct nir_shader
*nir
,
290 const struct brw_wm_prog_key
*wm_key
,
292 struct brw_wm_prog_data
*wm_prog_data
,
293 unsigned *program_size
);
298 } /* end extern "C" */
299 #endif /* __cplusplus */
301 #endif /* BLORP_PRIV_H */