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
;
85 struct util_dynarray syncfds
;
88 struct panfrost_streamout
{
89 struct pipe_stream_output_target
*targets
[PIPE_MAX_SO_BUFFERS
];
90 uint32_t offsets
[PIPE_MAX_SO_BUFFERS
];
94 struct panfrost_context
{
96 struct pipe_context base
;
98 /* Bound job batch and map of panfrost_batch_key to job batches */
99 struct panfrost_batch
*batch
;
100 struct hash_table
*batches
;
102 /* panfrost_bo -> panfrost_bo_access */
103 struct hash_table
*accessed_bos
;
105 /* Within a launch_grid call.. */
106 const struct pipe_grid_info
*compute_grid
;
108 /* Bit mask for supported PIPE_DRAW for this hardware */
111 struct pipe_framebuffer_state pipe_framebuffer
;
112 struct panfrost_streamout streamout
;
115 uint64_t prims_generated
;
116 uint64_t tf_prims_generated
;
117 struct panfrost_query
*occlusion_query
;
119 /* Each draw has corresponding vertex and tiler payloads */
120 struct midgard_payload_vertex_tiler payloads
[PIPE_SHADER_TYPES
];
122 unsigned vertex_count
;
123 unsigned instance_count
;
124 enum pipe_prim_type active_prim
;
126 /* If instancing is enabled, vertex count padded for instance; if
127 * it is disabled, just equal to plain vertex count */
128 unsigned padded_count
;
130 /* TODO: Multiple uniform buffers (index =/= 0), finer updates? */
132 struct panfrost_constant_buffer constant_buffer
[PIPE_SHADER_TYPES
];
134 struct panfrost_rasterizer
*rasterizer
;
135 struct panfrost_shader_variants
*shader
[PIPE_SHADER_TYPES
];
136 struct panfrost_vertex_state
*vertex
;
138 struct pipe_vertex_buffer vertex_buffers
[PIPE_MAX_ATTRIBS
];
141 struct pipe_shader_buffer ssbo
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_BUFFERS
];
142 uint32_t ssbo_mask
[PIPE_SHADER_TYPES
];
144 struct panfrost_sampler_state
*samplers
[PIPE_SHADER_TYPES
][PIPE_MAX_SAMPLERS
];
145 unsigned sampler_count
[PIPE_SHADER_TYPES
];
147 struct panfrost_sampler_view
*sampler_views
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
148 unsigned sampler_view_count
[PIPE_SHADER_TYPES
];
150 struct primconvert_context
*primconvert
;
151 struct blitter_context
*blitter
;
153 /* Blitting the wallpaper (the old contents of the framebuffer back to
154 * itself) uses a dedicated u_blitter instance versus general blit()
155 * callbacks from Gallium, as the blit() callback can trigger
156 * wallpapering without Gallium realising, which in turns u_blitter
157 * errors due to unsupported reucrsion */
159 struct blitter_context
*blitter_wallpaper
;
160 struct panfrost_batch
*wallpaper_batch
;
162 struct panfrost_blend_state
*blend
;
164 struct pipe_viewport_state pipe_viewport
;
165 struct pipe_scissor_state scissor
;
166 struct pipe_blend_color blend_color
;
167 struct pipe_depth_stencil_alpha_state
*depth_stencil
;
168 struct pipe_stencil_ref stencil_ref
;
171 /* Corresponds to the CSO */
173 struct panfrost_rasterizer
{
174 struct pipe_rasterizer_state base
;
177 /* Variants bundle together to form the backing CSO, bundling multiple
178 * shaders with varying emulated features baked in (alpha test
179 * parameters, etc) */
181 /* A shader state corresponds to the actual, current variant of the shader */
182 struct panfrost_shader_state
{
183 /* Compiled, mapped descriptor, ready for the hardware */
186 /* Non-descript information */
188 unsigned uniform_cutoff
;
189 unsigned work_reg_count
;
190 unsigned attribute_count
;
192 bool writes_point_size
;
195 bool reads_point_coord
;
197 bool reads_frag_coord
;
199 unsigned shared_size
;
202 unsigned int varying_count
;
203 struct mali_attr_meta varyings
[PIPE_MAX_ATTRIBS
];
204 gl_varying_slot varyings_loc
[PIPE_MAX_ATTRIBS
];
205 struct pipe_stream_output_info stream_output
;
208 unsigned sysval_count
;
209 unsigned sysval
[MAX_SYSVAL_COUNT
];
211 /* Information on this particular shader variant */
212 struct pipe_alpha_state alpha_state
;
214 uint16_t point_sprite_mask
;
215 unsigned point_sprite_upper_left
: 1;
217 /* Should we enable helper invocations */
218 bool helper_invocations
;
221 struct panfrost_bo
*bo
;
224 /* A collection of varyings (the CSO) */
225 struct panfrost_shader_variants
{
226 /* A panfrost_shader_variants can represent a shader for
227 * either graphics or compute */
232 struct pipe_shader_state base
;
233 struct pipe_compute_state cbase
;
236 struct panfrost_shader_state
*variants
;
237 unsigned variant_space
;
239 unsigned variant_count
;
241 /* The current active variant */
242 unsigned active_variant
;
245 struct panfrost_vertex_state
{
246 unsigned num_elements
;
247 unsigned vertexid_index
;
249 struct pipe_vertex_element pipe
[PIPE_MAX_ATTRIBS
];
250 struct mali_attr_meta hw
[PIPE_MAX_ATTRIBS
];
253 struct panfrost_sampler_state
{
254 struct pipe_sampler_state base
;
255 struct mali_sampler_descriptor hw
;
258 /* Misnomer: Sampler view corresponds to textures, not samplers */
260 struct panfrost_sampler_view
{
261 struct pipe_sampler_view base
;
262 struct panfrost_bo
*bo
;
265 static inline struct panfrost_context
*
266 pan_context(struct pipe_context
*pcontext
)
268 return (struct panfrost_context
*) pcontext
;
271 static inline struct panfrost_shader_state
*
272 panfrost_get_shader_state(struct panfrost_context
*ctx
,
273 enum pipe_shader_type st
)
275 struct panfrost_shader_variants
*all
= ctx
->shader
[st
];
280 return &all
->variants
[all
->active_variant
];
283 struct pipe_context
*
284 panfrost_create_context(struct pipe_screen
*screen
, void *priv
, unsigned flags
);
287 panfrost_invalidate_frame(struct panfrost_context
*ctx
);
290 panfrost_writes_point_size(struct panfrost_context
*ctx
);
292 struct panfrost_transfer
293 panfrost_vertex_tiler_job(struct panfrost_context
*ctx
, bool is_tiler
);
297 struct pipe_context
*pipe
,
298 struct pipe_fence_handle
**fence
,
301 mali_ptr
panfrost_sfbd_fragment(struct panfrost_batch
*batch
, bool has_draws
);
302 mali_ptr
panfrost_mfbd_fragment(struct panfrost_batch
*batch
, bool has_draws
);
305 panfrost_attach_mfbd(struct panfrost_batch
*batch
, unsigned vertex_count
);
308 panfrost_attach_sfbd(struct panfrost_batch
*batch
, unsigned vertex_count
);
310 struct midgard_tiler_descriptor
311 panfrost_emit_midg_tiler(struct panfrost_batch
*batch
, unsigned vertex_count
);
314 panfrost_fragment_job(struct panfrost_batch
*batch
, bool has_draws
);
317 panfrost_shader_compile(struct panfrost_context
*ctx
,
318 enum pipe_shader_ir ir_type
,
320 gl_shader_stage stage
,
321 struct panfrost_shader_state
*state
,
322 uint64_t *outputs_written
);
325 panfrost_ubo_count(struct panfrost_context
*ctx
, enum pipe_shader_type stage
);
330 panfrost_vertex_buffer_address(struct panfrost_context
*ctx
, unsigned i
);
333 panfrost_emit_vertex_data(struct panfrost_batch
*batch
);
338 panfrost_compute_context_init(struct pipe_context
*pctx
);
343 panfrost_emit_varying_descriptor(
344 struct panfrost_context
*ctx
,
345 unsigned vertex_count
);