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 "compiler/brw_compiler.h"
39 * Binding table indices used by BLORP.
42 BLORP_RENDERBUFFER_BT_INDEX
,
43 BLORP_TEXTURE_BT_INDEX
,
47 struct brw_blorp_surface_info
52 struct blorp_address addr
;
54 struct isl_surf aux_surf
;
55 struct blorp_address aux_addr
;
56 enum isl_aux_usage aux_usage
;
58 union isl_color_value clear_color
;
59 struct blorp_address clear_color_addr
;
63 /* Z offset into a 3-D texture or slice of a 2-D array texture. */
66 uint32_t tile_x_sa
, tile_y_sa
;
70 brw_blorp_surface_info_init(struct blorp_context
*blorp
,
71 struct brw_blorp_surface_info
*info
,
72 const struct blorp_surf
*surf
,
73 unsigned int level
, unsigned int layer
,
74 enum isl_format format
, bool is_render_target
);
76 blorp_surf_convert_to_single_slice(const struct isl_device
*isl_dev
,
77 struct brw_blorp_surface_info
*info
);
79 surf_fake_rgb_with_red(const struct isl_device
*isl_dev
,
80 struct brw_blorp_surface_info
*info
);
82 blorp_surf_convert_to_uncompressed(const struct isl_device
*isl_dev
,
83 struct brw_blorp_surface_info
*info
,
84 uint32_t *x
, uint32_t *y
,
85 uint32_t *width
, uint32_t *height
);
88 struct brw_blorp_coord_transform
95 * Bounding rectangle telling pixel discard which pixels are not to be
96 * touched. This is needed in when surfaces are configured as something else
97 * what they really are:
99 * - writing W-tiled stencil as Y-tiled
100 * - writing interleaved multisampled as single sampled.
102 * See blorp_nir_discard_if_outside_rect().
104 struct brw_blorp_discard_rect
113 * Grid needed for blended and scaled blits of integer formats, see
114 * blorp_nir_manual_blend_bilinear().
116 struct brw_blorp_rect_grid
123 struct blorp_surf_offset
{
128 struct brw_blorp_wm_inputs
130 uint32_t clear_color
[4];
132 struct brw_blorp_discard_rect discard_rect
;
133 struct brw_blorp_rect_grid rect_grid
;
134 struct brw_blorp_coord_transform coord_transform
[2];
136 struct blorp_surf_offset src_offset
;
137 struct blorp_surf_offset dst_offset
;
139 /* (1/width, 1/height) for the source surface */
140 float src_inv_size
[2];
142 /* Minimum layer setting works for all the textures types but texture_3d
143 * for which the setting has no effect. Use the z-coordinate instead.
147 /* Pad out to an integral number of registers */
151 #define BLORP_CREATE_NIR_INPUT(shader, name, type) ({ \
152 nir_variable *input = nir_variable_create((shader), nir_var_shader_in, \
154 if ((shader)->info.stage == MESA_SHADER_FRAGMENT) \
155 input->data.interpolation = INTERP_MODE_FLAT; \
156 input->data.location = VARYING_SLOT_VAR0 + \
157 offsetof(struct brw_blorp_wm_inputs, name) / (4 * sizeof(float)); \
158 input->data.location_frac = \
159 (offsetof(struct brw_blorp_wm_inputs, name) / sizeof(float)) % 4; \
163 struct blorp_vs_inputs
{
165 uint32_t _instance_id
; /* Set in hardware by SGVS */
169 static inline unsigned
170 brw_blorp_get_urb_length(const struct brw_wm_prog_data
*prog_data
)
172 if (prog_data
== NULL
)
175 /* From the BSpec: 3D Pipeline - Strips and Fans - 3DSTATE_SBE
177 * read_length = ceiling((max_source_attr+1)/2)
179 return MAX2((prog_data
->num_varying_inputs
+ 1) / 2, 1);
189 uint8_t stencil_mask
;
191 struct brw_blorp_surface_info depth
;
192 struct brw_blorp_surface_info stencil
;
193 uint32_t depth_format
;
194 struct brw_blorp_surface_info src
;
195 struct brw_blorp_surface_info dst
;
196 enum isl_aux_op hiz_op
;
197 bool full_surface_hiz_op
;
198 enum isl_aux_op fast_clear_op
;
199 bool color_write_disable
[4];
200 struct brw_blorp_wm_inputs wm_inputs
;
201 struct blorp_vs_inputs vs_inputs
;
202 bool dst_clear_color_as_input
;
203 unsigned num_samples
;
204 unsigned num_draw_buffers
;
206 uint32_t vs_prog_kernel
;
207 struct brw_vs_prog_data
*vs_prog_data
;
208 uint32_t sf_prog_kernel
;
209 struct brw_sf_prog_data
*sf_prog_data
;
210 uint32_t wm_prog_kernel
;
211 struct brw_wm_prog_data
*wm_prog_data
;
213 bool use_pre_baked_binding_table
;
214 uint32_t pre_baked_binding_table_offset
;
217 void blorp_params_init(struct blorp_params
*params
);
219 enum blorp_shader_type
{
220 BLORP_SHADER_TYPE_BLIT
,
221 BLORP_SHADER_TYPE_CLEAR
,
222 BLORP_SHADER_TYPE_MCS_PARTIAL_RESOLVE
,
223 BLORP_SHADER_TYPE_LAYER_OFFSET_VS
,
224 BLORP_SHADER_TYPE_GEN4_SF
,
227 struct brw_blorp_blit_prog_key
229 enum blorp_shader_type shader_type
; /* Must be BLORP_SHADER_TYPE_BLIT */
231 /* Number of samples per pixel that have been configured in the surface
232 * state for texturing from.
234 unsigned tex_samples
;
236 /* MSAA layout that has been configured in the surface state for texturing
239 enum isl_msaa_layout tex_layout
;
241 enum isl_aux_usage tex_aux_usage
;
243 /* Actual number of samples per pixel in the source image. */
244 unsigned src_samples
;
246 /* Actual MSAA layout used by the source image. */
247 enum isl_msaa_layout src_layout
;
249 /* The swizzle to apply to the source in the shader */
250 struct isl_swizzle src_swizzle
;
252 /* The format of the source if format-specific workarounds are needed
253 * and 0 (ISL_FORMAT_R32G32B32A32_FLOAT) if the destination is natively
256 enum isl_format src_format
;
258 /* True if the source requires normalized coordinates */
259 bool src_coords_normalized
;
261 /* Number of samples per pixel that have been configured in the render
266 /* MSAA layout that has been configured in the render target. */
267 enum isl_msaa_layout rt_layout
;
269 /* Actual number of samples per pixel in the destination image. */
270 unsigned dst_samples
;
272 /* Actual MSAA layout used by the destination image. */
273 enum isl_msaa_layout dst_layout
;
275 /* The swizzle to apply to the destination in the shader */
276 struct isl_swizzle dst_swizzle
;
278 /* The format of the destination if format-specific workarounds are needed
279 * and 0 (ISL_FORMAT_R32G32B32A32_FLOAT) if the destination is natively
282 enum isl_format dst_format
;
284 /* Whether or not the format workarounds are a bitcast operation */
285 bool format_bit_cast
;
287 /* Type of the data to be read from the texture (one of
288 * nir_type_(int|uint|float)).
290 nir_alu_type texture_data_type
;
292 /* True if the source image is W tiled. If true, the surface state for the
293 * source image must be configured as Y tiled, and tex_samples must be 0.
297 /* True if the destination image is W tiled. If true, the surface state
298 * for the render target must be configured as Y tiled, and rt_samples must
303 /* True if the destination is an RGB format. If true, the surface state
304 * for the render target must be configured as red with three times the
305 * normal width. We need to do this because you cannot render to
306 * non-power-of-two formats.
310 enum blorp_filter filter
;
312 /* True if the rectangle being sent through the rendering pipeline might be
313 * larger than the destination rectangle, so the WM program should kill any
314 * pixels that are outside the destination rectangle.
319 * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
320 * than one sample per pixel.
322 bool persample_msaa_dispatch
;
324 /* True if this blit operation may involve intratile offsets on the source.
325 * In this case, we need to add the offset before texturing.
327 bool need_src_offset
;
329 /* True if this blit operation may involve intratile offsets on the
330 * destination. In this case, we need to add the offset to gl_FragCoord.
332 bool need_dst_offset
;
334 /* Scale factors between the pixel grid and the grid of samples. We're
335 * using grid of samples for bilinear filetring in multisample scaled blits.
342 * \name BLORP internals
345 * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
348 void brw_blorp_init_wm_prog_key(struct brw_wm_prog_key
*wm_key
);
351 blorp_compile_fs(struct blorp_context
*blorp
, void *mem_ctx
,
352 struct nir_shader
*nir
,
353 struct brw_wm_prog_key
*wm_key
,
355 struct brw_wm_prog_data
*wm_prog_data
);
358 blorp_compile_vs(struct blorp_context
*blorp
, void *mem_ctx
,
359 struct nir_shader
*nir
,
360 struct brw_vs_prog_data
*vs_prog_data
);
363 blorp_ensure_sf_program(struct blorp_batch
*batch
,
364 struct blorp_params
*params
);
369 } /* end extern "C" */
370 #endif /* __cplusplus */
372 #endif /* BLORP_PRIV_H */