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"
38 brw_blorp_blit_miptrees(struct brw_context
*brw
,
39 struct intel_mipmap_tree
*src_mt
,
40 unsigned src_level
, unsigned src_layer
,
41 struct intel_mipmap_tree
*dst_mt
,
42 unsigned dst_level
, unsigned dst_layer
,
43 float src_x0
, float src_y0
,
44 float src_x1
, float src_y1
,
45 float dst_x0
, float dst_y0
,
46 float dst_x1
, float dst_y1
,
47 GLenum filter
, bool mirror_x
, bool mirror_y
);
50 brw_blorp_clear_color(struct brw_context
*brw
, struct gl_framebuffer
*fb
,
54 brw_blorp_resolve_color(struct brw_context
*brw
,
55 struct intel_mipmap_tree
*mt
);
58 } /* end extern "C" */
61 * Binding table indices used by BLORP.
64 BRW_BLORP_TEXTURE_BINDING_TABLE_INDEX
,
65 BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX
,
66 BRW_BLORP_NUM_BINDING_TABLE_ENTRIES
70 class brw_blorp_mip_info
75 void set(struct intel_mipmap_tree
*mt
,
76 unsigned int level
, unsigned int layer
);
78 struct intel_mipmap_tree
*mt
;
81 * The miplevel to use.
86 * The 2D layer within the miplevel. Combined, level and layer define the
87 * 2D miptree slice to use.
92 * Width of the miplevel to be used. For surfaces using
93 * INTEL_MSAA_LAYOUT_IMS, this is measured in samples, not pixels.
98 * Height of the miplevel to be used. For surfaces using
99 * INTEL_MSAA_LAYOUT_IMS, this is measured in samples, not pixels.
104 * X offset within the surface to texture from (or render to). For
105 * surfaces using INTEL_MSAA_LAYOUT_IMS, this is measured in samples, not
111 * Y offset within the surface to texture from (or render to). For
112 * surfaces using INTEL_MSAA_LAYOUT_IMS, this is measured in samples, not
118 class brw_blorp_surface_info
: public brw_blorp_mip_info
121 brw_blorp_surface_info();
123 void set(struct brw_context
*brw
,
124 struct intel_mipmap_tree
*mt
,
125 unsigned int level
, unsigned int layer
);
127 uint32_t compute_tile_offsets(uint32_t *tile_x
, uint32_t *tile_y
) const;
129 /* Setting this flag indicates that the buffer's contents are W-tiled
130 * stencil data, but the surface state should be set up for Y tiled
131 * MESA_FORMAT_R8 data (this is necessary because surface states don't
134 * Since W tiles are 64 pixels wide by 64 pixels high, whereas Y tiles of
135 * MESA_FORMAT_R8 data are 128 pixels wide by 32 pixels high, the width and
136 * pitch stored in the surface state will be multiplied by 2, and the
137 * height will be halved. Also, since W and Y tiles store their data in a
138 * different order, the width and height will be rounded up to a multiple
139 * of the tile size, to ensure that the WM program can access the full
140 * width and height of the buffer.
142 bool map_stencil_as_y_tiled
;
144 unsigned num_samples
;
146 /* Setting this flag indicates that the surface should be set up in
147 * ARYSPC_LOD0 mode. Ignored prior to Gen7.
149 bool array_spacing_lod0
;
152 * Format that should be used when setting up the surface state for this
153 * surface. Should correspond to one of the BRW_SURFACEFORMAT_* enums.
155 uint32_t brw_surfaceformat
;
158 * For MSAA surfaces, MSAA layout that should be used when setting up the
159 * surface state for this surface.
161 intel_msaa_layout msaa_layout
;
165 struct brw_blorp_coord_transform_params
167 void setup(GLfloat src0
, GLfloat src1
, GLfloat dst0
, GLfloat dst1
,
175 struct brw_blorp_wm_push_constants
181 /* Top right coordinates of the rectangular grid used for scaled blitting */
184 brw_blorp_coord_transform_params x_transform
;
185 brw_blorp_coord_transform_params y_transform
;
186 /* Pad out to an integral number of registers */
190 /* Every 32 bytes of push constant data constitutes one GEN register. */
191 const unsigned int BRW_BLORP_NUM_PUSH_CONST_REGS
=
192 sizeof(brw_blorp_wm_push_constants
) / 32;
194 struct brw_blorp_prog_data
196 unsigned int first_curbe_grf
;
199 * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
200 * than one sample per pixel.
202 bool persample_msaa_dispatch
;
206 enum gen7_fast_clear_op
{
207 GEN7_FAST_CLEAR_OP_NONE
,
208 GEN7_FAST_CLEAR_OP_FAST_CLEAR
,
209 GEN7_FAST_CLEAR_OP_RESOLVE
,
213 class brw_blorp_params
218 virtual uint32_t get_wm_prog(struct brw_context
*brw
,
219 brw_blorp_prog_data
**prog_data
) const = 0;
225 brw_blorp_mip_info depth
;
226 uint32_t depth_format
;
227 brw_blorp_surface_info src
;
228 brw_blorp_surface_info dst
;
229 enum gen6_hiz_op hiz_op
;
230 enum gen7_fast_clear_op fast_clear_op
;
231 unsigned num_samples
;
233 brw_blorp_wm_push_constants wm_push_consts
;
234 bool color_write_disable
[4];
239 brw_blorp_exec(struct brw_context
*brw
, const brw_blorp_params
*params
);
243 * Parameters for a HiZ or depth resolve operation.
245 * For an overview of HiZ ops, see the following sections of the Sandy Bridge
246 * PRM, Volume 1, Part 2:
247 * - 7.5.3.1 Depth Buffer Clear
248 * - 7.5.3.2 Depth Buffer Resolve
249 * - 7.5.3.3 Hierarchical Depth Buffer Resolve
251 class brw_hiz_op_params
: public brw_blorp_params
254 brw_hiz_op_params(struct intel_mipmap_tree
*mt
,
255 unsigned int level
, unsigned int layer
,
258 virtual uint32_t get_wm_prog(struct brw_context
*brw
,
259 brw_blorp_prog_data
**prog_data
) const;
262 struct brw_blorp_blit_prog_key
264 /* Number of samples per pixel that have been configured in the surface
265 * state for texturing from.
267 unsigned tex_samples
;
269 /* MSAA layout that has been configured in the surface state for texturing
272 intel_msaa_layout tex_layout
;
274 /* Actual number of samples per pixel in the source image. */
275 unsigned src_samples
;
277 /* Actual MSAA layout used by the source image. */
278 intel_msaa_layout src_layout
;
280 /* Number of samples per pixel that have been configured in the render
285 /* MSAA layout that has been configured in the render target. */
286 intel_msaa_layout rt_layout
;
288 /* Actual number of samples per pixel in the destination image. */
289 unsigned dst_samples
;
291 /* Actual MSAA layout used by the destination image. */
292 intel_msaa_layout dst_layout
;
294 /* Type of the data to be read from the texture (one of
295 * BRW_REGISTER_TYPE_{UD,D,F}).
297 unsigned texture_data_type
;
299 /* True if the source image is W tiled. If true, the surface state for the
300 * source image must be configured as Y tiled, and tex_samples must be 0.
304 /* True if the destination image is W tiled. If true, the surface state
305 * for the render target must be configured as Y tiled, and rt_samples must
310 /* True if all source samples should be blended together to produce each
311 * destination pixel. If true, src_tiled_w must be false, tex_samples must
312 * equal src_samples, and tex_samples must be nonzero.
316 /* True if the rectangle being sent through the rendering pipeline might be
317 * larger than the destination rectangle, so the WM program should kill any
318 * pixels that are outside the destination rectangle.
323 * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
324 * than one sample per pixel.
326 bool persample_msaa_dispatch
;
328 /* True for scaled blitting. */
331 /* Scale factors between the pixel grid and the grid of samples. We're
332 * using grid of samples for bilinear filetring in multisample scaled blits.
337 /* True for blits with filter = GL_LINEAR. */
338 bool bilinear_filter
;
341 class brw_blorp_blit_params
: public brw_blorp_params
344 brw_blorp_blit_params(struct brw_context
*brw
,
345 struct intel_mipmap_tree
*src_mt
,
346 unsigned src_level
, unsigned src_layer
,
347 struct intel_mipmap_tree
*dst_mt
,
348 unsigned dst_level
, unsigned dst_layer
,
349 GLfloat src_x0
, GLfloat src_y0
,
350 GLfloat src_x1
, GLfloat src_y1
,
351 GLfloat dst_x0
, GLfloat dst_y0
,
352 GLfloat dst_x1
, GLfloat dst_y1
,
353 GLenum filter
, bool mirror_x
, bool mirror_y
);
355 virtual uint32_t get_wm_prog(struct brw_context
*brw
,
356 brw_blorp_prog_data
**prog_data
) const;
359 brw_blorp_blit_prog_key wm_prog_key
;
363 * \name BLORP internals
366 * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
370 gen6_blorp_init(struct brw_context
*brw
);
373 gen6_blorp_emit_batch_head(struct brw_context
*brw
,
374 const brw_blorp_params
*params
);
377 gen6_blorp_emit_state_base_address(struct brw_context
*brw
,
378 const brw_blorp_params
*params
);
381 gen6_blorp_emit_vertices(struct brw_context
*brw
,
382 const brw_blorp_params
*params
);
385 gen6_blorp_emit_blend_state(struct brw_context
*brw
,
386 const brw_blorp_params
*params
);
389 gen6_blorp_emit_cc_state(struct brw_context
*brw
,
390 const brw_blorp_params
*params
);
393 gen6_blorp_emit_wm_constants(struct brw_context
*brw
,
394 const brw_blorp_params
*params
);
397 gen6_blorp_emit_vs_disable(struct brw_context
*brw
,
398 const brw_blorp_params
*params
);
401 gen6_blorp_emit_binding_table(struct brw_context
*brw
,
402 const brw_blorp_params
*params
,
403 uint32_t wm_surf_offset_renderbuffer
,
404 uint32_t wm_surf_offset_texture
);
407 gen6_blorp_emit_depth_stencil_state(struct brw_context
*brw
,
408 const brw_blorp_params
*params
);
411 gen6_blorp_emit_gs_disable(struct brw_context
*brw
,
412 const brw_blorp_params
*params
);
415 gen6_blorp_emit_clip_disable(struct brw_context
*brw
,
416 const brw_blorp_params
*params
);
419 gen6_blorp_emit_drawing_rectangle(struct brw_context
*brw
,
420 const brw_blorp_params
*params
);
423 #endif /* __cplusplus */