2 * © Copyright 2018 Alyssa Rosenzweig
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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
28 #define _LARGEFILE64_SOURCE 1
29 #define CACHE_LINE_SIZE 1024 /* TODO */
32 #include "pan_resource.h"
34 #include "pan_blend.h"
35 #include "pan_encoder.h"
36 #include "pan_texture.h"
38 #include "pipe/p_compiler.h"
39 #include "pipe/p_config.h"
40 #include "pipe/p_context.h"
41 #include "pipe/p_defines.h"
42 #include "pipe/p_format.h"
43 #include "pipe/p_screen.h"
44 #include "pipe/p_state.h"
45 #include "util/u_blitter.h"
46 #include "util/hash_table.h"
48 #include "midgard/midgard_compile.h"
49 #include "compiler/shader_enums.h"
51 /* Forward declare to avoid extra header dep */
52 struct prim_convert_context
;
54 #define MAX_VARYINGS 4096
56 #define SET_BIT(lval, bit, cond) \
62 struct panfrost_constant_buffer
{
63 struct pipe_constant_buffer cb
[PIPE_MAX_CONSTANT_BUFFERS
];
64 uint32_t enabled_mask
;
68 struct panfrost_query
{
69 /* Passthrough from Gallium */
73 /* For computed queries. 64-bit to prevent overflow */
79 /* Memory for the GPU to writeback the value of the query */
80 struct panfrost_bo
*bo
;
83 struct panfrost_fence
{
84 struct pipe_reference reference
;
89 struct panfrost_streamout
{
90 struct pipe_stream_output_target
*targets
[PIPE_MAX_SO_BUFFERS
];
91 uint32_t offsets
[PIPE_MAX_SO_BUFFERS
];
95 struct panfrost_context
{
97 struct pipe_context base
;
99 /* Upload manager for small resident GPU-internal data structures, like
100 * sampler descriptors. We use an upload manager since the minimum BO
101 * size from the kernel is 4kb */
102 struct u_upload_mgr
*state_uploader
;
104 /* Bound job batch and map of panfrost_batch_key to job batches */
105 struct panfrost_batch
*batch
;
106 struct hash_table
*batches
;
108 /* panfrost_bo -> panfrost_bo_access */
109 struct hash_table
*accessed_bos
;
111 /* Within a launch_grid call.. */
112 const struct pipe_grid_info
*compute_grid
;
114 /* Bit mask for supported PIPE_DRAW for this hardware */
117 struct pipe_framebuffer_state pipe_framebuffer
;
118 struct panfrost_streamout streamout
;
121 uint64_t prims_generated
;
122 uint64_t tf_prims_generated
;
123 struct panfrost_query
*occlusion_query
;
125 unsigned vertex_count
;
126 unsigned instance_count
;
127 enum pipe_prim_type active_prim
;
129 /* If instancing is enabled, vertex count padded for instance; if
130 * it is disabled, just equal to plain vertex count */
131 unsigned padded_count
;
133 /* TODO: Multiple uniform buffers (index =/= 0), finer updates? */
135 struct panfrost_constant_buffer constant_buffer
[PIPE_SHADER_TYPES
];
137 struct panfrost_rasterizer
*rasterizer
;
138 struct panfrost_shader_variants
*shader
[PIPE_SHADER_TYPES
];
139 struct panfrost_vertex_state
*vertex
;
141 struct pipe_vertex_buffer vertex_buffers
[PIPE_MAX_ATTRIBS
];
144 struct pipe_shader_buffer ssbo
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_BUFFERS
];
145 uint32_t ssbo_mask
[PIPE_SHADER_TYPES
];
147 struct panfrost_sampler_state
*samplers
[PIPE_SHADER_TYPES
][PIPE_MAX_SAMPLERS
];
148 unsigned sampler_count
[PIPE_SHADER_TYPES
];
150 struct panfrost_sampler_view
*sampler_views
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
151 unsigned sampler_view_count
[PIPE_SHADER_TYPES
];
153 struct primconvert_context
*primconvert
;
154 struct blitter_context
*blitter
;
156 /* Blitting the wallpaper (the old contents of the framebuffer back to
157 * itself) uses a dedicated u_blitter instance versus general blit()
158 * callbacks from Gallium, as the blit() callback can trigger
159 * wallpapering without Gallium realising, which in turns u_blitter
160 * errors due to unsupported reucrsion */
162 struct blitter_context
*blitter_wallpaper
;
163 struct panfrost_batch
*wallpaper_batch
;
165 struct panfrost_blend_state
*blend
;
167 struct pipe_viewport_state pipe_viewport
;
168 struct pipe_scissor_state scissor
;
169 struct pipe_blend_color blend_color
;
170 struct panfrost_zsa_state
*depth_stencil
;
171 struct pipe_stencil_ref stencil_ref
;
172 unsigned sample_mask
;
173 unsigned min_samples
;
175 struct panfrost_blend_state blit_blend
;
178 /* Corresponds to the CSO */
180 struct panfrost_rasterizer
{
181 struct pipe_rasterizer_state base
;
184 /* Variants bundle together to form the backing CSO, bundling multiple
185 * shaders with varying emulated features baked in */
187 /* A shader state corresponds to the actual, current variant of the shader */
188 struct panfrost_shader_state
{
189 /* Compiled, mapped descriptor, ready for the hardware */
192 /* Uploaded shader descriptor (TODO: maybe stuff the packed unuploaded
193 * bits in a union to save some memory?) */
196 struct pipe_resource
*rsrc
;
200 struct mali_shader_packed shader
;
201 struct mali_midgard_properties_packed properties
;
202 struct mali_preload_packed preload
;
204 /* Non-descript information */
205 unsigned uniform_count
;
206 unsigned work_reg_count
;
208 bool writes_point_size
;
211 bool reads_point_coord
;
213 bool reads_frag_coord
;
216 unsigned shared_size
;
218 /* Does the fragment shader have side effects? In particular, if output
219 * is masked out, is it legal to skip shader execution? */
222 /* For Bifrost - output type for each RT */
223 enum bifrost_shader_type blend_types
[BIFROST_MAX_RENDER_TARGET_COUNT
];
225 unsigned attribute_count
, varying_count
, ubo_count
;
226 enum mali_format varyings
[PIPE_MAX_ATTRIBS
];
227 gl_varying_slot varyings_loc
[PIPE_MAX_ATTRIBS
];
228 struct pipe_stream_output_info stream_output
;
231 unsigned sysval_count
;
232 unsigned sysval
[MAX_SYSVAL_COUNT
];
234 uint16_t point_sprite_mask
;
235 unsigned point_sprite_upper_left
: 1;
237 /* Should we enable helper invocations */
238 bool helper_invocations
;
240 /* GPU-executable memory */
241 struct panfrost_bo
*bo
;
243 BITSET_WORD outputs_read
;
244 enum pipe_format rt_formats
[8];
247 /* A collection of varyings (the CSO) */
248 struct panfrost_shader_variants
{
249 /* A panfrost_shader_variants can represent a shader for
250 * either graphics or compute */
255 struct pipe_shader_state base
;
256 struct pipe_compute_state cbase
;
259 struct panfrost_shader_state
*variants
;
260 unsigned variant_space
;
262 unsigned variant_count
;
264 /* The current active variant */
265 unsigned active_variant
;
268 struct panfrost_vertex_state
{
269 unsigned num_elements
;
271 struct pipe_vertex_element pipe
[PIPE_MAX_ATTRIBS
];
272 unsigned formats
[PIPE_MAX_ATTRIBS
];
275 struct panfrost_zsa_state
{
276 struct pipe_depth_stencil_alpha_state base
;
278 /* Precomputed stencil state */
279 struct mali_stencil_packed stencil_front
;
280 struct mali_stencil_packed stencil_back
;
281 u8 stencil_mask_front
;
282 u8 stencil_mask_back
;
285 struct panfrost_sampler_state
{
286 struct pipe_sampler_state base
;
287 struct mali_midgard_sampler_packed hw
;
290 /* Misnomer: Sampler view corresponds to textures, not samplers */
292 struct panfrost_sampler_view
{
293 struct pipe_sampler_view base
;
294 struct panfrost_bo
*bo
;
295 struct mali_bifrost_texture_packed bifrost_descriptor
;
300 static inline struct panfrost_context
*
301 pan_context(struct pipe_context
*pcontext
)
303 return (struct panfrost_context
*) pcontext
;
306 static inline struct panfrost_shader_state
*
307 panfrost_get_shader_state(struct panfrost_context
*ctx
,
308 enum pipe_shader_type st
)
310 struct panfrost_shader_variants
*all
= ctx
->shader
[st
];
315 return &all
->variants
[all
->active_variant
];
318 struct pipe_context
*
319 panfrost_create_context(struct pipe_screen
*screen
, void *priv
, unsigned flags
);
322 panfrost_writes_point_size(struct panfrost_context
*ctx
);
324 struct panfrost_transfer
325 panfrost_vertex_tiler_job(struct panfrost_context
*ctx
, bool is_tiler
);
329 struct pipe_context
*pipe
,
330 struct pipe_fence_handle
**fence
,
333 mali_ptr
panfrost_sfbd_fragment(struct panfrost_batch
*batch
, bool has_draws
);
334 mali_ptr
panfrost_mfbd_fragment(struct panfrost_batch
*batch
, bool has_draws
);
337 panfrost_attach_mfbd(struct panfrost_batch
*batch
, unsigned vertex_count
);
340 panfrost_attach_sfbd(struct panfrost_batch
*batch
, unsigned vertex_count
);
342 struct midgard_tiler_descriptor
343 panfrost_emit_midg_tiler(struct panfrost_batch
*batch
, unsigned vertex_count
);
346 panfrost_fragment_job(struct panfrost_batch
*batch
, bool has_draws
);
349 panfrost_shader_compile(struct panfrost_context
*ctx
,
350 enum pipe_shader_ir ir_type
,
352 gl_shader_stage stage
,
353 struct panfrost_shader_state
*state
,
354 uint64_t *outputs_written
);
357 panfrost_create_sampler_view_bo(struct panfrost_sampler_view
*so
,
358 struct pipe_context
*pctx
,
359 struct pipe_resource
*texture
);
364 panfrost_vertex_buffer_address(struct panfrost_context
*ctx
, unsigned i
);
369 panfrost_compute_context_init(struct pipe_context
*pctx
);