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
28 #include "brw_context.h"
29 #include "intel_mipmap_tree.h"
35 * Binding table indices used by BLORP.
38 BRW_BLORP_TEXTURE_BINDING_TABLE_INDEX
,
39 BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX
,
40 BRW_BLORP_NUM_BINDING_TABLE_ENTRIES
44 class brw_blorp_mip_info
49 void set(struct intel_mipmap_tree
*mt
,
50 unsigned int level
, unsigned int layer
);
51 void get_draw_offsets(uint32_t *draw_x
, uint32_t *draw_y
) const;
53 void get_miplevel_dims(uint32_t *width
, uint32_t *height
) const
55 *width
= mt
->level
[level
].width
;
56 *height
= mt
->level
[level
].height
;
59 struct intel_mipmap_tree
*mt
;
64 class brw_blorp_surface_info
: public brw_blorp_mip_info
67 brw_blorp_surface_info();
69 void set(struct brw_context
*brw
,
70 struct intel_mipmap_tree
*mt
,
71 unsigned int level
, unsigned int layer
);
73 /* Setting this flag indicates that the buffer's contents are W-tiled
74 * stencil data, but the surface state should be set up for Y tiled
75 * MESA_FORMAT_R8 data (this is necessary because surface states don't
78 * Since W tiles are 64 pixels wide by 64 pixels high, whereas Y tiles of
79 * MESA_FORMAT_R8 data are 128 pixels wide by 32 pixels high, the width and
80 * pitch stored in the surface state will be multiplied by 2, and the
81 * height will be halved. Also, since W and Y tiles store their data in a
82 * different order, the width and height will be rounded up to a multiple
83 * of the tile size, to ensure that the WM program can access the full
84 * width and height of the buffer.
86 bool map_stencil_as_y_tiled
;
90 /* Setting this flag indicates that the surface should be set up in
91 * ARYSPC_LOD0 mode. Ignored prior to Gen7.
93 bool array_spacing_lod0
;
96 * Format that should be used when setting up the surface state for this
97 * surface. Should correspond to one of the BRW_SURFACEFORMAT_* enums.
99 uint32_t brw_surfaceformat
;
102 * For MSAA surfaces, MSAA layout that should be used when setting up the
103 * surface state for this surface.
105 intel_msaa_layout msaa_layout
;
109 struct brw_blorp_coord_transform_params
111 void setup(GLuint src0
, GLuint dst0
, GLuint dst1
,
119 struct brw_blorp_wm_push_constants
125 brw_blorp_coord_transform_params x_transform
;
126 brw_blorp_coord_transform_params y_transform
;
128 /* Pad out to an integral number of registers */
132 /* Every 32 bytes of push constant data constitutes one GEN register. */
133 const unsigned int BRW_BLORP_NUM_PUSH_CONST_REGS
=
134 sizeof(brw_blorp_wm_push_constants
) / 32;
136 struct brw_blorp_prog_data
138 unsigned int first_curbe_grf
;
141 * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
142 * than one sample per pixel.
144 bool persample_msaa_dispatch
;
147 class brw_blorp_params
152 virtual uint32_t get_wm_prog(struct brw_context
*brw
,
153 brw_blorp_prog_data
**prog_data
) const = 0;
159 brw_blorp_mip_info depth
;
160 uint32_t depth_format
;
161 brw_blorp_surface_info src
;
162 brw_blorp_surface_info dst
;
163 enum gen6_hiz_op hiz_op
;
164 unsigned num_samples
;
166 brw_blorp_wm_push_constants wm_push_consts
;
171 brw_blorp_exec(struct intel_context
*intel
, const brw_blorp_params
*params
);
175 * Parameters for a HiZ or depth resolve operation.
177 * For an overview of HiZ ops, see the following sections of the Sandy Bridge
178 * PRM, Volume 1, Part 2:
179 * - 7.5.3.1 Depth Buffer Clear
180 * - 7.5.3.2 Depth Buffer Resolve
181 * - 7.5.3.3 Hierarchical Depth Buffer Resolve
183 class brw_hiz_op_params
: public brw_blorp_params
186 brw_hiz_op_params(struct intel_mipmap_tree
*mt
,
187 unsigned int level
, unsigned int layer
,
190 virtual uint32_t get_wm_prog(struct brw_context
*brw
,
191 brw_blorp_prog_data
**prog_data
) const;
194 struct brw_blorp_blit_prog_key
196 /* Number of samples per pixel that have been configured in the surface
197 * state for texturing from.
199 unsigned tex_samples
;
201 /* MSAA layout that has been configured in the surface state for texturing
204 intel_msaa_layout tex_layout
;
206 /* Actual number of samples per pixel in the source image. */
207 unsigned src_samples
;
209 /* Actual MSAA layout used by the source image. */
210 intel_msaa_layout src_layout
;
212 /* Number of samples per pixel that have been configured in the render
217 /* MSAA layout that has been configured in the render target. */
218 intel_msaa_layout rt_layout
;
220 /* Actual number of samples per pixel in the destination image. */
221 unsigned dst_samples
;
223 /* Actual MSAA layout used by the destination image. */
224 intel_msaa_layout dst_layout
;
226 /* True if the source image is W tiled. If true, the surface state for the
227 * source image must be configured as Y tiled, and tex_samples must be 0.
231 /* True if the destination image is W tiled. If true, the surface state
232 * for the render target must be configured as Y tiled, and rt_samples must
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
;
256 class brw_blorp_blit_params
: public brw_blorp_params
259 brw_blorp_blit_params(struct brw_context
*brw
,
260 struct intel_mipmap_tree
*src_mt
,
261 struct intel_mipmap_tree
*dst_mt
,
262 GLuint src_x0
, GLuint src_y0
,
263 GLuint dst_x0
, GLuint dst_y0
,
264 GLuint width
, GLuint height
,
265 bool mirror_x
, bool mirror_y
);
267 virtual uint32_t get_wm_prog(struct brw_context
*brw
,
268 brw_blorp_prog_data
**prog_data
) const;
271 brw_blorp_blit_prog_key wm_prog_key
;
275 * \name BLORP internals
278 * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
282 gen6_blorp_init(struct brw_context
*brw
);
285 gen6_blorp_compute_tile_masks(const brw_blorp_params
*params
,
286 uint32_t *tile_mask_x
, uint32_t *tile_mask_y
);
289 gen6_blorp_emit_batch_head(struct brw_context
*brw
,
290 const brw_blorp_params
*params
);
293 gen6_blorp_emit_state_base_address(struct brw_context
*brw
,
294 const brw_blorp_params
*params
);
297 gen6_blorp_emit_vertices(struct brw_context
*brw
,
298 const brw_blorp_params
*params
);
301 gen6_blorp_emit_blend_state(struct brw_context
*brw
,
302 const brw_blorp_params
*params
);
305 gen6_blorp_emit_cc_state(struct brw_context
*brw
,
306 const brw_blorp_params
*params
);
309 gen6_blorp_emit_wm_constants(struct brw_context
*brw
,
310 const brw_blorp_params
*params
);
313 gen6_blorp_emit_vs_disable(struct brw_context
*brw
,
314 const brw_blorp_params
*params
);
317 gen6_blorp_emit_binding_table(struct brw_context
*brw
,
318 const brw_blorp_params
*params
,
319 uint32_t wm_surf_offset_renderbuffer
,
320 uint32_t wm_surf_offset_texture
);
323 gen6_blorp_emit_depth_stencil_state(struct brw_context
*brw
,
324 const brw_blorp_params
*params
);
327 gen6_blorp_emit_gs_disable(struct brw_context
*brw
,
328 const brw_blorp_params
*params
);
331 gen6_blorp_emit_clip_disable(struct brw_context
*brw
,
332 const brw_blorp_params
*params
);
335 gen6_blorp_emit_drawing_rectangle(struct brw_context
*brw
,
336 const brw_blorp_params
*params
);