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
,
126 bool is_render_target
);
128 uint32_t compute_tile_offsets(uint32_t *tile_x
, uint32_t *tile_y
) const;
130 /* Setting this flag indicates that the buffer's contents are W-tiled
131 * stencil data, but the surface state should be set up for Y tiled
132 * MESA_FORMAT_R8 data (this is necessary because surface states don't
135 * Since W tiles are 64 pixels wide by 64 pixels high, whereas Y tiles of
136 * MESA_FORMAT_R8 data are 128 pixels wide by 32 pixels high, the width and
137 * pitch stored in the surface state will be multiplied by 2, and the
138 * height will be halved. Also, since W and Y tiles store their data in a
139 * different order, the width and height will be rounded up to a multiple
140 * of the tile size, to ensure that the WM program can access the full
141 * width and height of the buffer.
143 bool map_stencil_as_y_tiled
;
145 unsigned num_samples
;
147 /* Setting this flag indicates that the surface should be set up in
148 * ARYSPC_LOD0 mode. Ignored prior to Gen7.
150 bool array_spacing_lod0
;
153 * Format that should be used when setting up the surface state for this
154 * surface. Should correspond to one of the BRW_SURFACEFORMAT_* enums.
156 uint32_t brw_surfaceformat
;
159 * For MSAA surfaces, MSAA layout that should be used when setting up the
160 * surface state for this surface.
162 intel_msaa_layout msaa_layout
;
166 struct brw_blorp_coord_transform_params
168 void setup(GLfloat src0
, GLfloat src1
, GLfloat dst0
, GLfloat dst1
,
176 struct brw_blorp_wm_push_constants
182 /* Top right coordinates of the rectangular grid used for scaled blitting */
185 brw_blorp_coord_transform_params x_transform
;
186 brw_blorp_coord_transform_params y_transform
;
187 /* Pad out to an integral number of registers */
191 /* Every 32 bytes of push constant data constitutes one GEN register. */
192 const unsigned int BRW_BLORP_NUM_PUSH_CONST_REGS
=
193 sizeof(brw_blorp_wm_push_constants
) / 32;
195 struct brw_blorp_prog_data
197 unsigned int first_curbe_grf
;
200 * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
201 * than one sample per pixel.
203 bool persample_msaa_dispatch
;
207 enum gen7_fast_clear_op
{
208 GEN7_FAST_CLEAR_OP_NONE
,
209 GEN7_FAST_CLEAR_OP_FAST_CLEAR
,
210 GEN7_FAST_CLEAR_OP_RESOLVE
,
214 class brw_blorp_params
219 virtual uint32_t get_wm_prog(struct brw_context
*brw
,
220 brw_blorp_prog_data
**prog_data
) const = 0;
226 brw_blorp_mip_info depth
;
227 uint32_t depth_format
;
228 brw_blorp_surface_info src
;
229 brw_blorp_surface_info dst
;
230 enum gen6_hiz_op hiz_op
;
231 enum gen7_fast_clear_op fast_clear_op
;
232 unsigned num_samples
;
234 brw_blorp_wm_push_constants wm_push_consts
;
235 bool color_write_disable
[4];
240 brw_blorp_exec(struct brw_context
*brw
, const brw_blorp_params
*params
);
244 * Parameters for a HiZ or depth resolve operation.
246 * For an overview of HiZ ops, see the following sections of the Sandy Bridge
247 * PRM, Volume 1, Part 2:
248 * - 7.5.3.1 Depth Buffer Clear
249 * - 7.5.3.2 Depth Buffer Resolve
250 * - 7.5.3.3 Hierarchical Depth Buffer Resolve
252 class brw_hiz_op_params
: public brw_blorp_params
255 brw_hiz_op_params(struct intel_mipmap_tree
*mt
,
256 unsigned int level
, unsigned int layer
,
259 virtual uint32_t get_wm_prog(struct brw_context
*brw
,
260 brw_blorp_prog_data
**prog_data
) const;
263 struct brw_blorp_blit_prog_key
265 /* Number of samples per pixel that have been configured in the surface
266 * state for texturing from.
268 unsigned tex_samples
;
270 /* MSAA layout that has been configured in the surface state for texturing
273 intel_msaa_layout tex_layout
;
275 /* Actual number of samples per pixel in the source image. */
276 unsigned src_samples
;
278 /* Actual MSAA layout used by the source image. */
279 intel_msaa_layout src_layout
;
281 /* Number of samples per pixel that have been configured in the render
286 /* MSAA layout that has been configured in the render target. */
287 intel_msaa_layout rt_layout
;
289 /* Actual number of samples per pixel in the destination image. */
290 unsigned dst_samples
;
292 /* Actual MSAA layout used by the destination image. */
293 intel_msaa_layout dst_layout
;
295 /* Type of the data to be read from the texture (one of
296 * BRW_REGISTER_TYPE_{UD,D,F}).
298 unsigned texture_data_type
;
300 /* True if the source image is W tiled. If true, the surface state for the
301 * source image must be configured as Y tiled, and tex_samples must be 0.
305 /* True if the destination image is W tiled. If true, the surface state
306 * for the render target must be configured as Y tiled, and rt_samples must
311 /* True if all source samples should be blended together to produce each
312 * destination pixel. If true, src_tiled_w must be false, tex_samples must
313 * equal src_samples, and tex_samples must be nonzero.
317 /* True if the rectangle being sent through the rendering pipeline might be
318 * larger than the destination rectangle, so the WM program should kill any
319 * pixels that are outside the destination rectangle.
324 * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
325 * than one sample per pixel.
327 bool persample_msaa_dispatch
;
329 /* True for scaled blitting. */
332 /* Scale factors between the pixel grid and the grid of samples. We're
333 * using grid of samples for bilinear filetring in multisample scaled blits.
338 /* True for blits with filter = GL_LINEAR. */
339 bool bilinear_filter
;
342 class brw_blorp_blit_params
: public brw_blorp_params
345 brw_blorp_blit_params(struct brw_context
*brw
,
346 struct intel_mipmap_tree
*src_mt
,
347 unsigned src_level
, unsigned src_layer
,
348 struct intel_mipmap_tree
*dst_mt
,
349 unsigned dst_level
, unsigned dst_layer
,
350 GLfloat src_x0
, GLfloat src_y0
,
351 GLfloat src_x1
, GLfloat src_y1
,
352 GLfloat dst_x0
, GLfloat dst_y0
,
353 GLfloat dst_x1
, GLfloat dst_y1
,
354 GLenum filter
, bool mirror_x
, bool mirror_y
);
356 virtual uint32_t get_wm_prog(struct brw_context
*brw
,
357 brw_blorp_prog_data
**prog_data
) const;
360 brw_blorp_blit_prog_key wm_prog_key
;
364 * \name BLORP internals
367 * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
371 gen6_blorp_init(struct brw_context
*brw
);
374 gen6_blorp_emit_batch_head(struct brw_context
*brw
,
375 const brw_blorp_params
*params
);
378 gen6_blorp_emit_state_base_address(struct brw_context
*brw
,
379 const brw_blorp_params
*params
);
382 gen6_blorp_emit_vertices(struct brw_context
*brw
,
383 const brw_blorp_params
*params
);
386 gen6_blorp_emit_blend_state(struct brw_context
*brw
,
387 const brw_blorp_params
*params
);
390 gen6_blorp_emit_cc_state(struct brw_context
*brw
,
391 const brw_blorp_params
*params
);
394 gen6_blorp_emit_wm_constants(struct brw_context
*brw
,
395 const brw_blorp_params
*params
);
398 gen6_blorp_emit_vs_disable(struct brw_context
*brw
,
399 const brw_blorp_params
*params
);
402 gen6_blorp_emit_binding_table(struct brw_context
*brw
,
403 const brw_blorp_params
*params
,
404 uint32_t wm_surf_offset_renderbuffer
,
405 uint32_t wm_surf_offset_texture
);
408 gen6_blorp_emit_depth_stencil_state(struct brw_context
*brw
,
409 const brw_blorp_params
*params
);
412 gen6_blorp_emit_gs_disable(struct brw_context
*brw
,
413 const brw_blorp_params
*params
);
416 gen6_blorp_emit_clip_disable(struct brw_context
*brw
,
417 const brw_blorp_params
*params
);
420 gen6_blorp_emit_drawing_rectangle(struct brw_context
*brw
,
421 const brw_blorp_params
*params
);
424 #endif /* __cplusplus */