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_target
{
90 struct pipe_stream_output_target base
;
94 struct panfrost_streamout
{
95 struct pipe_stream_output_target
*targets
[PIPE_MAX_SO_BUFFERS
];
99 struct panfrost_context
{
100 /* Gallium context */
101 struct pipe_context base
;
103 /* Upload manager for small resident GPU-internal data structures, like
104 * sampler descriptors. We use an upload manager since the minimum BO
105 * size from the kernel is 4kb */
106 struct u_upload_mgr
*state_uploader
;
108 /* Bound job batch and map of panfrost_batch_key to job batches */
109 struct panfrost_batch
*batch
;
110 struct hash_table
*batches
;
112 /* panfrost_bo -> panfrost_bo_access */
113 struct hash_table
*accessed_bos
;
115 /* Within a launch_grid call.. */
116 const struct pipe_grid_info
*compute_grid
;
118 /* Bit mask for supported PIPE_DRAW for this hardware */
121 struct pipe_framebuffer_state pipe_framebuffer
;
122 struct panfrost_streamout streamout
;
125 uint64_t prims_generated
;
126 uint64_t tf_prims_generated
;
127 struct panfrost_query
*occlusion_query
;
129 unsigned vertex_count
;
130 unsigned instance_count
;
131 unsigned offset_start
;
132 enum pipe_prim_type active_prim
;
134 /* If instancing is enabled, vertex count padded for instance; if
135 * it is disabled, just equal to plain vertex count */
136 unsigned padded_count
;
138 /* TODO: Multiple uniform buffers (index =/= 0), finer updates? */
140 struct panfrost_constant_buffer constant_buffer
[PIPE_SHADER_TYPES
];
142 struct panfrost_rasterizer
*rasterizer
;
143 struct panfrost_shader_variants
*shader
[PIPE_SHADER_TYPES
];
144 struct panfrost_vertex_state
*vertex
;
146 struct pipe_vertex_buffer vertex_buffers
[PIPE_MAX_ATTRIBS
];
149 struct pipe_shader_buffer ssbo
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_BUFFERS
];
150 uint32_t ssbo_mask
[PIPE_SHADER_TYPES
];
152 struct panfrost_sampler_state
*samplers
[PIPE_SHADER_TYPES
][PIPE_MAX_SAMPLERS
];
153 unsigned sampler_count
[PIPE_SHADER_TYPES
];
155 struct panfrost_sampler_view
*sampler_views
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
156 unsigned sampler_view_count
[PIPE_SHADER_TYPES
];
158 struct primconvert_context
*primconvert
;
159 struct blitter_context
*blitter
;
161 /* Blitting the wallpaper (the old contents of the framebuffer back to
162 * itself) uses a dedicated u_blitter instance versus general blit()
163 * callbacks from Gallium, as the blit() callback can trigger
164 * wallpapering without Gallium realising, which in turns u_blitter
165 * errors due to unsupported reucrsion */
167 struct blitter_context
*blitter_wallpaper
;
168 struct panfrost_batch
*wallpaper_batch
;
170 struct panfrost_blend_state
*blend
;
172 struct pipe_viewport_state pipe_viewport
;
173 struct pipe_scissor_state scissor
;
174 struct pipe_blend_color blend_color
;
175 struct panfrost_zsa_state
*depth_stencil
;
176 struct pipe_stencil_ref stencil_ref
;
177 unsigned sample_mask
;
178 unsigned min_samples
;
180 struct panfrost_blend_state blit_blend
;
183 /* Corresponds to the CSO */
185 struct panfrost_rasterizer
{
186 struct pipe_rasterizer_state base
;
189 /* Variants bundle together to form the backing CSO, bundling multiple
190 * shaders with varying emulated features baked in */
192 /* A shader state corresponds to the actual, current variant of the shader */
193 struct panfrost_shader_state
{
194 /* Compiled, mapped descriptor, ready for the hardware */
197 /* Uploaded shader descriptor (TODO: maybe stuff the packed unuploaded
198 * bits in a union to save some memory?) */
201 struct pipe_resource
*rsrc
;
205 struct mali_shader_packed shader
;
206 struct mali_midgard_properties_packed properties
;
207 struct mali_preload_packed preload
;
209 /* Non-descript information */
210 unsigned uniform_count
;
211 unsigned work_reg_count
;
213 bool writes_point_size
;
216 bool reads_point_coord
;
218 bool reads_frag_coord
;
221 unsigned shared_size
;
223 /* Does the fragment shader have side effects? In particular, if output
224 * is masked out, is it legal to skip shader execution? */
227 /* For Bifrost - output type for each RT */
228 enum bifrost_shader_type blend_types
[BIFROST_MAX_RENDER_TARGET_COUNT
];
230 unsigned attribute_count
, varying_count
, ubo_count
;
231 enum mali_format varyings
[PIPE_MAX_ATTRIBS
];
232 gl_varying_slot varyings_loc
[PIPE_MAX_ATTRIBS
];
233 struct pipe_stream_output_info stream_output
;
236 unsigned sysval_count
;
237 unsigned sysval
[MAX_SYSVAL_COUNT
];
239 /* Should we enable helper invocations */
240 bool helper_invocations
;
242 /* GPU-executable memory */
243 struct panfrost_bo
*bo
;
245 BITSET_WORD outputs_read
;
246 enum pipe_format rt_formats
[8];
249 /* A collection of varyings (the CSO) */
250 struct panfrost_shader_variants
{
251 /* A panfrost_shader_variants can represent a shader for
252 * either graphics or compute */
257 struct pipe_shader_state base
;
258 struct pipe_compute_state cbase
;
261 struct panfrost_shader_state
*variants
;
262 unsigned variant_space
;
264 unsigned variant_count
;
266 /* The current active variant */
267 unsigned active_variant
;
270 struct panfrost_vertex_state
{
271 unsigned num_elements
;
273 struct pipe_vertex_element pipe
[PIPE_MAX_ATTRIBS
];
274 unsigned formats
[PIPE_MAX_ATTRIBS
];
277 struct panfrost_zsa_state
{
278 struct pipe_depth_stencil_alpha_state base
;
280 /* Precomputed stencil state */
281 struct mali_stencil_packed stencil_front
;
282 struct mali_stencil_packed stencil_back
;
283 u8 stencil_mask_front
;
284 u8 stencil_mask_back
;
287 struct panfrost_sampler_state
{
288 struct pipe_sampler_state base
;
289 struct mali_midgard_sampler_packed hw
;
292 /* Misnomer: Sampler view corresponds to textures, not samplers */
294 struct panfrost_sampler_view
{
295 struct pipe_sampler_view base
;
296 struct panfrost_bo
*bo
;
297 struct mali_bifrost_texture_packed bifrost_descriptor
;
302 static inline struct panfrost_context
*
303 pan_context(struct pipe_context
*pcontext
)
305 return (struct panfrost_context
*) pcontext
;
308 static inline struct panfrost_streamout_target
*
309 pan_so_target(struct pipe_stream_output_target
*target
)
311 return (struct panfrost_streamout_target
*)target
;
314 static inline struct panfrost_shader_state
*
315 panfrost_get_shader_state(struct panfrost_context
*ctx
,
316 enum pipe_shader_type st
)
318 struct panfrost_shader_variants
*all
= ctx
->shader
[st
];
323 return &all
->variants
[all
->active_variant
];
326 struct pipe_context
*
327 panfrost_create_context(struct pipe_screen
*screen
, void *priv
, unsigned flags
);
330 panfrost_writes_point_size(struct panfrost_context
*ctx
);
332 struct panfrost_transfer
333 panfrost_vertex_tiler_job(struct panfrost_context
*ctx
, bool is_tiler
);
337 struct pipe_context
*pipe
,
338 struct pipe_fence_handle
**fence
,
341 mali_ptr
panfrost_sfbd_fragment(struct panfrost_batch
*batch
, bool has_draws
);
342 mali_ptr
panfrost_mfbd_fragment(struct panfrost_batch
*batch
, bool has_draws
);
345 panfrost_attach_mfbd(struct panfrost_batch
*batch
, unsigned vertex_count
);
348 panfrost_attach_sfbd(struct panfrost_batch
*batch
, unsigned vertex_count
);
350 struct midgard_tiler_descriptor
351 panfrost_emit_midg_tiler(struct panfrost_batch
*batch
, unsigned vertex_count
);
354 panfrost_fragment_job(struct panfrost_batch
*batch
, bool has_draws
);
357 panfrost_shader_compile(struct panfrost_context
*ctx
,
358 enum pipe_shader_ir ir_type
,
360 gl_shader_stage stage
,
361 struct panfrost_shader_state
*state
,
362 uint64_t *outputs_written
);
365 panfrost_create_sampler_view_bo(struct panfrost_sampler_view
*so
,
366 struct pipe_context
*pctx
,
367 struct pipe_resource
*texture
);
372 panfrost_vertex_buffer_address(struct panfrost_context
*ctx
, unsigned i
);
377 panfrost_compute_context_init(struct pipe_context
*pctx
);