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"
37 #include "pipe/p_compiler.h"
38 #include "pipe/p_config.h"
39 #include "pipe/p_context.h"
40 #include "pipe/p_defines.h"
41 #include "pipe/p_format.h"
42 #include "pipe/p_screen.h"
43 #include "pipe/p_state.h"
44 #include "util/u_blitter.h"
45 #include "util/hash_table.h"
47 #include "midgard/midgard_compile.h"
48 #include "compiler/shader_enums.h"
50 /* Forward declare to avoid extra header dep */
51 struct prim_convert_context
;
53 #define MAX_VARYINGS 4096
55 //#define PAN_DIRTY_CLEAR (1 << 0)
56 #define PAN_DIRTY_RASTERIZER (1 << 2)
57 #define PAN_DIRTY_FS (1 << 3)
58 #define PAN_DIRTY_FRAG_CORE (PAN_DIRTY_FS) /* Dirty writes are tied */
59 #define PAN_DIRTY_VS (1 << 4)
60 #define PAN_DIRTY_VERTEX (1 << 5)
61 #define PAN_DIRTY_VERT_BUF (1 << 6)
62 //#define PAN_DIRTY_VIEWPORT (1 << 7)
63 #define PAN_DIRTY_SAMPLERS (1 << 8)
64 #define PAN_DIRTY_TEXTURES (1 << 9)
66 #define SET_BIT(lval, bit, cond) \
72 struct panfrost_constant_buffer
{
73 struct pipe_constant_buffer cb
[PIPE_MAX_CONSTANT_BUFFERS
];
74 uint32_t enabled_mask
;
78 struct panfrost_query
{
79 /* Passthrough from Gallium */
84 /* For computed queries. 64-bit to prevent overflow */
90 /* Memory for the GPU to writeback the value of the query */
91 struct panfrost_transfer transfer
;
95 struct panfrost_fence
{
96 struct pipe_reference reference
;
100 struct panfrost_streamout
{
101 struct pipe_stream_output_target
*targets
[PIPE_MAX_SO_BUFFERS
];
102 uint32_t offsets
[PIPE_MAX_SO_BUFFERS
];
103 unsigned num_targets
;
106 struct panfrost_context
{
107 /* Gallium context */
108 struct pipe_context base
;
110 /* Compiler context */
111 struct midgard_screen compiler
;
113 /* Bound job and map of panfrost_job_key to jobs */
114 struct panfrost_job
*job
;
115 struct hash_table
*jobs
;
117 /* panfrost_resource -> panfrost_job */
118 struct hash_table
*write_jobs
;
120 /* Within a launch_grid call.. */
121 const struct pipe_grid_info
*compute_grid
;
123 /* Bit mask for supported PIPE_DRAW for this hardware */
126 struct pipe_framebuffer_state pipe_framebuffer
;
127 struct panfrost_streamout streamout
;
129 struct panfrost_memory cmdstream_persistent
;
130 struct panfrost_memory scratchpad
;
131 struct panfrost_memory tiler_heap
;
132 struct panfrost_memory tiler_dummy
;
133 struct panfrost_memory depth_stencil_buffer
;
136 uint64_t prims_generated
;
137 uint64_t tf_prims_generated
;
138 struct panfrost_query
*occlusion_query
;
140 /* Each draw has corresponding vertex and tiler payloads */
141 struct midgard_payload_vertex_tiler payloads
[PIPE_SHADER_TYPES
];
143 /* The fragment shader binary itself is pointed here (for the tripipe) but
144 * also everything else in the shader core, including blending, the
145 * stencil/depth tests, etc. Refer to the presentations. */
147 struct mali_shader_meta fragment_shader_core
;
149 /* Per-draw Dirty flags are setup like any other driver */
152 unsigned vertex_count
;
153 unsigned instance_count
;
154 enum pipe_prim_type active_prim
;
156 /* If instancing is enabled, vertex count padded for instance; if
157 * it is disabled, just equal to plain vertex count */
158 unsigned padded_count
;
160 union mali_attr attributes
[PIPE_MAX_ATTRIBS
];
162 /* TODO: Multiple uniform buffers (index =/= 0), finer updates? */
164 struct panfrost_constant_buffer constant_buffer
[PIPE_SHADER_TYPES
];
166 struct panfrost_rasterizer
*rasterizer
;
167 struct panfrost_shader_variants
*shader
[PIPE_SHADER_TYPES
];
168 struct panfrost_vertex_state
*vertex
;
170 struct pipe_vertex_buffer vertex_buffers
[PIPE_MAX_ATTRIBS
];
173 struct pipe_shader_buffer ssbo
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_BUFFERS
];
174 uint32_t ssbo_mask
[PIPE_SHADER_TYPES
];
176 struct panfrost_sampler_state
*samplers
[PIPE_SHADER_TYPES
][PIPE_MAX_SAMPLERS
];
177 unsigned sampler_count
[PIPE_SHADER_TYPES
];
179 struct panfrost_sampler_view
*sampler_views
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
180 unsigned sampler_view_count
[PIPE_SHADER_TYPES
];
182 struct primconvert_context
*primconvert
;
183 struct blitter_context
*blitter
;
185 /* Blitting the wallpaper (the old contents of the framebuffer back to
186 * itself) uses a dedicated u_blitter instance versus general blit()
187 * callbacks from Gallium, as the blit() callback can trigger
188 * wallpapering without Gallium realising, which in turns u_blitter
189 * errors due to unsupported reucrsion */
191 struct blitter_context
*blitter_wallpaper
;
192 struct panfrost_job
*wallpaper_batch
;
194 struct panfrost_blend_state
*blend
;
196 struct pipe_viewport_state pipe_viewport
;
197 struct pipe_scissor_state scissor
;
198 struct pipe_blend_color blend_color
;
199 struct pipe_depth_stencil_alpha_state
*depth_stencil
;
200 struct pipe_stencil_ref stencil_ref
;
202 /* True for t6XX, false for t8xx. */
207 /* While we're busy building up the job for frame N, the GPU is
208 * still busy executing frame N-1. So hold a reference to
210 int last_fragment_flushed
;
211 struct panfrost_job
*last_job
;
214 /* Corresponds to the CSO */
216 struct panfrost_rasterizer
{
217 struct pipe_rasterizer_state base
;
219 /* Bitmask of front face, etc */
220 unsigned tiler_gl_enables
;
223 /* Variants bundle together to form the backing CSO, bundling multiple
224 * shaders with varying emulated features baked in (alpha test
225 * parameters, etc) */
226 #define MAX_SHADER_VARIANTS 8
228 /* A shader state corresponds to the actual, current variant of the shader */
229 struct panfrost_shader_state
{
230 /* Compiled, mapped descriptor, ready for the hardware */
232 struct mali_shader_meta
*tripipe
;
234 /* Non-descript information */
237 bool writes_point_size
;
238 bool reads_point_coord
;
240 bool reads_frag_coord
;
242 struct mali_attr_meta varyings
[PIPE_MAX_ATTRIBS
];
243 gl_varying_slot varyings_loc
[PIPE_MAX_ATTRIBS
];
244 struct pipe_stream_output_info stream_output
;
247 unsigned sysval_count
;
248 unsigned sysval
[MAX_SYSVAL_COUNT
];
250 /* Information on this particular shader variant */
251 struct pipe_alpha_state alpha_state
;
253 uint16_t point_sprite_mask
;
254 unsigned point_sprite_upper_left
: 1;
256 /* Should we enable helper invocations */
257 bool helper_invocations
;
259 struct panfrost_bo
*bo
;
262 /* A collection of varyings (the CSO) */
263 struct panfrost_shader_variants
{
264 /* A panfrost_shader_variants can represent a shader for
265 * either graphics or compute */
270 struct pipe_shader_state base
;
271 struct pipe_compute_state cbase
;
274 struct panfrost_shader_state variants
[MAX_SHADER_VARIANTS
];
275 unsigned variant_count
;
277 /* The current active variant */
278 unsigned active_variant
;
281 struct panfrost_vertex_state
{
282 unsigned num_elements
;
284 struct pipe_vertex_element pipe
[PIPE_MAX_ATTRIBS
];
285 struct mali_attr_meta hw
[PIPE_MAX_ATTRIBS
];
288 struct panfrost_sampler_state
{
289 struct pipe_sampler_state base
;
290 struct mali_sampler_descriptor hw
;
293 /* Misnomer: Sampler view corresponds to textures, not samplers */
295 struct panfrost_sampler_view
{
296 struct pipe_sampler_view base
;
297 struct mali_texture_descriptor hw
;
301 static inline struct panfrost_context
*
302 pan_context(struct pipe_context
*pcontext
)
304 return (struct panfrost_context
*) pcontext
;
307 struct pipe_context
*
308 panfrost_create_context(struct pipe_screen
*screen
, void *priv
, unsigned flags
);
311 panfrost_emit_for_draw(struct panfrost_context
*ctx
, bool with_vertex_data
);
313 struct panfrost_transfer
314 panfrost_vertex_tiler_job(struct panfrost_context
*ctx
, bool is_tiler
);
317 panfrost_get_default_swizzle(unsigned components
);
321 struct pipe_context
*pipe
,
322 struct pipe_fence_handle
**fence
,
326 panfrost_is_scanout(struct panfrost_context
*ctx
);
328 mali_ptr
panfrost_sfbd_fragment(struct panfrost_context
*ctx
, bool has_draws
);
329 mali_ptr
panfrost_mfbd_fragment(struct panfrost_context
*ctx
, bool has_draws
);
331 struct bifrost_framebuffer
332 panfrost_emit_mfbd(struct panfrost_context
*ctx
, unsigned vertex_count
);
334 struct mali_single_framebuffer
335 panfrost_emit_sfbd(struct panfrost_context
*ctx
, unsigned vertex_count
);
338 panfrost_fragment_job(struct panfrost_context
*ctx
, bool has_draws
);
341 panfrost_shader_compile(
342 struct panfrost_context
*ctx
,
343 struct mali_shader_meta
*meta
,
344 enum pipe_shader_ir ir_type
,
346 gl_shader_stage stage
,
347 struct panfrost_shader_state
*state
,
348 uint64_t *outputs_written
);
353 panfrost_vertex_buffer_address(struct panfrost_context
*ctx
, unsigned i
);
356 panfrost_emit_vertex_data(struct panfrost_job
*batch
);
358 struct pan_shift_odd
{
364 panfrost_padded_vertex_count(
365 unsigned vertex_count
,
370 pan_expand_shift_odd(struct pan_shift_odd o
);
375 panfrost_compute_context_init(struct pipe_context
*pctx
);
380 panfrost_emit_varying_descriptor(
381 struct panfrost_context
*ctx
,
382 unsigned vertex_count
);