2 * Copyright © 2014 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
30 #include "pipe/p_context.h"
31 #include "pipe/p_state.h"
32 #include "util/u_slab.h"
36 #include "vc4_bufmgr.h"
37 #include "vc4_resource.h"
41 #ifdef USE_VC4_SIMULATOR
42 #define using_vc4_simulator true
44 #define using_vc4_simulator false
47 #define VC4_DIRTY_BLEND (1 << 0)
48 #define VC4_DIRTY_RASTERIZER (1 << 1)
49 #define VC4_DIRTY_ZSA (1 << 2)
50 #define VC4_DIRTY_FRAGTEX (1 << 3)
51 #define VC4_DIRTY_VERTTEX (1 << 4)
52 #define VC4_DIRTY_TEXSTATE (1 << 5)
54 #define VC4_DIRTY_BLEND_COLOR (1 << 7)
55 #define VC4_DIRTY_STENCIL_REF (1 << 8)
56 #define VC4_DIRTY_SAMPLE_MASK (1 << 9)
57 #define VC4_DIRTY_FRAMEBUFFER (1 << 10)
58 #define VC4_DIRTY_STIPPLE (1 << 11)
59 #define VC4_DIRTY_VIEWPORT (1 << 12)
60 #define VC4_DIRTY_CONSTBUF (1 << 13)
61 #define VC4_DIRTY_VTXSTATE (1 << 14)
62 #define VC4_DIRTY_VTXBUF (1 << 15)
63 #define VC4_DIRTY_INDEXBUF (1 << 16)
64 #define VC4_DIRTY_SCISSOR (1 << 17)
65 #define VC4_DIRTY_FLAT_SHADE_FLAGS (1 << 18)
66 #define VC4_DIRTY_PRIM_MODE (1 << 19)
67 #define VC4_DIRTY_CLIP (1 << 20)
68 #define VC4_DIRTY_UNCOMPILED_VS (1 << 21)
69 #define VC4_DIRTY_UNCOMPILED_FS (1 << 22)
70 #define VC4_DIRTY_COMPILED_CS (1 << 23)
71 #define VC4_DIRTY_COMPILED_VS (1 << 24)
72 #define VC4_DIRTY_COMPILED_FS (1 << 25)
74 struct vc4_sampler_view
{
75 struct pipe_sampler_view base
;
80 struct vc4_sampler_state
{
81 struct pipe_sampler_state base
;
85 struct vc4_texture_stateobj
{
86 struct pipe_sampler_view
*textures
[PIPE_MAX_SAMPLERS
];
87 unsigned num_textures
;
88 struct pipe_sampler_state
*samplers
[PIPE_MAX_SAMPLERS
];
89 unsigned num_samplers
;
90 unsigned dirty_samplers
;
93 struct vc4_shader_uniform_info
{
94 enum quniform_contents
*contents
;
97 uint32_t num_texture_samples
;
100 struct vc4_uncompiled_shader
{
101 /** A name for this program, so you can track it in shader-db output. */
103 /** How many variants of this program were compiled, for shader-db. */
104 uint32_t compiled_variant_count
;
105 struct pipe_shader_state base
;
108 struct vc4_ubo_range
{
110 * offset in bytes from the start of the ubo where this range is
113 * Only set once used is set.
118 * offset in bytes from the start of the gallium uniforms where the
123 /** size in bytes of this ubo range */
127 struct vc4_compiled_shader
{
131 struct vc4_shader_uniform_info uniforms
;
133 struct vc4_ubo_range
*ubo_ranges
;
134 uint32_t num_ubo_ranges
;
137 * VC4_DIRTY_* flags that, when set in vc4->dirty, mean that the
138 * uniforms have to be rewritten (and therefore the shader state
141 uint32_t uniform_dirty_bits
;
143 /** bitmask of which inputs are color inputs, for flat shade handling. */
144 uint32_t color_inputs
;
148 /* Byte offsets for the start of the vertex attributes 0-7, and the
149 * total size as "attribute" 8.
151 uint8_t vattr_offsets
[9];
155 * Array of the meanings of the VPM inputs this shader needs.
157 * It doesn't include those that aren't part of the VPM, like
158 * point/line coordinates.
160 struct vc4_varying_slot
*input_slots
;
163 struct vc4_program_stateobj
{
164 struct vc4_uncompiled_shader
*bind_vs
, *bind_fs
;
165 struct vc4_compiled_shader
*cs
, *vs
, *fs
;
167 /* Indexed by slot. Special vs exports (position and pointsize) are
168 * not included in this
170 uint8_t export_linkage
[VARYING_SLOT_VAR0
+ 8];
173 struct vc4_constbuf_stateobj
{
174 struct pipe_constant_buffer cb
[PIPE_MAX_CONSTANT_BUFFERS
];
175 uint32_t enabled_mask
;
179 struct vc4_vertexbuf_stateobj
{
180 struct pipe_vertex_buffer vb
[PIPE_MAX_ATTRIBS
];
182 uint32_t enabled_mask
;
186 struct vc4_vertex_stateobj
{
187 struct pipe_vertex_element pipe
[PIPE_MAX_ATTRIBS
];
188 unsigned num_elements
;
192 struct pipe_context base
;
195 struct vc4_screen
*screen
;
198 struct vc4_cl shader_rec
;
199 struct vc4_cl uniforms
;
200 struct vc4_cl bo_handles
;
201 struct vc4_cl bo_pointers
;
202 uint32_t shader_rec_count
;
204 /** @{ Surfaces to submit rendering for. */
205 struct pipe_surface
*color_read
;
206 struct pipe_surface
*color_write
;
207 struct pipe_surface
*zs_read
;
208 struct pipe_surface
*zs_write
;
211 * Bounding box of the scissor across all queued drawing.
213 * Note that the max values are exclusive.
221 * Width/height of the color framebuffer being rendered to,
222 * for VC4_TILE_RENDERING_MODE_CONFIG.
225 uint32_t draw_height
;
228 struct util_slab_mempool transfer_pool
;
229 struct blitter_context
*blitter
;
231 /** bitfield of VC4_DIRTY_* */
233 /* Bitmask of PIPE_CLEAR_* of buffers that were cleared before the
237 /* Bitmask of PIPE_CLEAR_* of buffers that have been rendered to
238 * (either clears or draws).
241 uint32_t clear_color
[2];
242 uint32_t clear_depth
; /**< 24-bit unorm depth */
243 uint8_t clear_stencil
;
246 * Set if some drawing (triangles, blits, or just a glClear()) has
247 * been done to the FBO, meaning that we need to
248 * DRM_IOCTL_VC4_SUBMIT_CL.
253 * Number of draw calls (not counting full buffer clears) queued in
256 uint32_t draw_calls_queued
;
258 /** Maximum index buffer valid for the current shader_rec. */
260 /** Last index bias baked into the current shader_rec. */
261 uint32_t last_index_bias
;
263 struct primconvert_context
*primconvert
;
265 struct hash_table
*fs_cache
, *vs_cache
;
266 uint32_t next_uncompiled_program_id
;
267 uint64_t next_compiled_program_id
;
269 struct ra_regs
*regs
;
270 unsigned int reg_class_any
;
271 unsigned int reg_class_a_or_b_or_acc
;
272 unsigned int reg_class_r4_or_a
;
273 unsigned int reg_class_a
;
277 /** Seqno of the last CL flush's job. */
278 uint64_t last_emit_seqno
;
280 struct u_upload_mgr
*uploader
;
282 /** @{ Current pipeline state objects */
283 struct pipe_scissor_state scissor
;
284 struct pipe_blend_state
*blend
;
285 struct vc4_rasterizer_state
*rasterizer
;
286 struct vc4_depth_stencil_alpha_state
*zsa
;
288 struct vc4_texture_stateobj verttex
, fragtex
;
290 struct vc4_program_stateobj prog
;
292 struct vc4_vertex_stateobj
*vtx
;
295 struct pipe_blend_color f
;
298 struct pipe_stencil_ref stencil_ref
;
299 unsigned sample_mask
;
300 struct pipe_framebuffer_state framebuffer
;
301 struct pipe_poly_stipple stipple
;
302 struct pipe_clip_state clip
;
303 struct pipe_viewport_state viewport
;
304 struct vc4_constbuf_stateobj constbuf
[PIPE_SHADER_TYPES
];
305 struct vc4_vertexbuf_stateobj vertexbuf
;
306 struct pipe_index_buffer indexbuf
;
310 struct vc4_rasterizer_state
{
311 struct pipe_rasterizer_state base
;
313 /* VC4_CONFIGURATION_BITS */
314 uint8_t config_bits
[3];
319 * Half-float (1/8/7 bits) value of polygon offset units for
320 * VC4_PACKET_DEPTH_OFFSET
322 uint16_t offset_units
;
324 * Half-float (1/8/7 bits) value of polygon offset scale for
325 * VC4_PACKET_DEPTH_OFFSET
327 uint16_t offset_factor
;
330 struct vc4_depth_stencil_alpha_state
{
331 struct pipe_depth_stencil_alpha_state base
;
333 /* VC4_CONFIGURATION_BITS */
334 uint8_t config_bits
[3];
336 /** Uniforms for stencil state.
338 * Index 0 is either the front config, or the front-and-back config.
339 * Index 1 is the back config if doing separate back stencil.
340 * Index 2 is the writemask config if it's not a common mask value.
342 uint32_t stencil_uniforms
[3];
345 #define perf_debug(...) do { \
346 if (unlikely(vc4_debug & VC4_DEBUG_PERF)) \
347 fprintf(stderr, __VA_ARGS__); \
350 static inline struct vc4_context
*
351 vc4_context(struct pipe_context
*pcontext
)
353 return (struct vc4_context
*)pcontext
;
356 static inline struct vc4_sampler_view
*
357 vc4_sampler_view(struct pipe_sampler_view
*psview
)
359 return (struct vc4_sampler_view
*)psview
;
362 static inline struct vc4_sampler_state
*
363 vc4_sampler_state(struct pipe_sampler_state
*psampler
)
365 return (struct vc4_sampler_state
*)psampler
;
368 struct pipe_context
*vc4_context_create(struct pipe_screen
*pscreen
,
369 void *priv
, unsigned flags
);
370 void vc4_draw_init(struct pipe_context
*pctx
);
371 void vc4_state_init(struct pipe_context
*pctx
);
372 void vc4_program_init(struct pipe_context
*pctx
);
373 void vc4_program_fini(struct pipe_context
*pctx
);
374 void vc4_query_init(struct pipe_context
*pctx
);
375 void vc4_simulator_init(struct vc4_screen
*screen
);
376 int vc4_simulator_flush(struct vc4_context
*vc4
,
377 struct drm_vc4_submit_cl
*args
);
379 void vc4_set_shader_uniform_dirty_flags(struct vc4_compiled_shader
*shader
);
380 void vc4_write_uniforms(struct vc4_context
*vc4
,
381 struct vc4_compiled_shader
*shader
,
382 struct vc4_constbuf_stateobj
*cb
,
383 struct vc4_texture_stateobj
*texstate
);
385 void vc4_flush(struct pipe_context
*pctx
);
386 void vc4_job_init(struct vc4_context
*vc4
);
387 void vc4_job_submit(struct vc4_context
*vc4
);
388 void vc4_job_reset(struct vc4_context
*vc4
);
389 bool vc4_cl_references_bo(struct pipe_context
*pctx
, struct vc4_bo
*bo
);
390 void vc4_emit_state(struct pipe_context
*pctx
);
391 void vc4_generate_code(struct vc4_context
*vc4
, struct vc4_compile
*c
);
392 struct qpu_reg
*vc4_register_allocate(struct vc4_context
*vc4
, struct vc4_compile
*c
);
393 void vc4_update_compiled_shaders(struct vc4_context
*vc4
, uint8_t prim_mode
);
395 bool vc4_rt_format_supported(enum pipe_format f
);
396 bool vc4_rt_format_is_565(enum pipe_format f
);
397 bool vc4_tex_format_supported(enum pipe_format f
);
398 uint8_t vc4_get_tex_format(enum pipe_format f
);
399 const uint8_t *vc4_get_format_swizzle(enum pipe_format f
);
400 void vc4_init_query_functions(struct vc4_context
*vc4
);
401 void vc4_blit(struct pipe_context
*pctx
, const struct pipe_blit_info
*blit_info
);
402 #endif /* VC4_CONTEXT_H */