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 #define VC4_DIRTY_BLEND (1 << 0)
42 #define VC4_DIRTY_RASTERIZER (1 << 1)
43 #define VC4_DIRTY_ZSA (1 << 2)
44 #define VC4_DIRTY_FRAGTEX (1 << 3)
45 #define VC4_DIRTY_VERTTEX (1 << 4)
46 #define VC4_DIRTY_TEXSTATE (1 << 5)
47 #define VC4_DIRTY_PROG (1 << 6)
48 #define VC4_DIRTY_BLEND_COLOR (1 << 7)
49 #define VC4_DIRTY_STENCIL_REF (1 << 8)
50 #define VC4_DIRTY_SAMPLE_MASK (1 << 9)
51 #define VC4_DIRTY_FRAMEBUFFER (1 << 10)
52 #define VC4_DIRTY_STIPPLE (1 << 11)
53 #define VC4_DIRTY_VIEWPORT (1 << 12)
54 #define VC4_DIRTY_CONSTBUF (1 << 13)
55 #define VC4_DIRTY_VTXSTATE (1 << 14)
56 #define VC4_DIRTY_VTXBUF (1 << 15)
57 #define VC4_DIRTY_INDEXBUF (1 << 16)
58 #define VC4_DIRTY_SCISSOR (1 << 17)
59 #define VC4_DIRTY_FLAT_SHADE_FLAGS (1 << 18)
60 #define VC4_DIRTY_PRIM_MODE (1 << 19)
62 #define VC4_SHADER_DIRTY_VP (1 << 0)
63 #define VC4_SHADER_DIRTY_FP (1 << 1)
65 struct vc4_texture_stateobj
{
66 struct pipe_sampler_view
*textures
[PIPE_MAX_SAMPLERS
];
67 unsigned num_textures
;
68 struct pipe_sampler_state
*samplers
[PIPE_MAX_SAMPLERS
];
69 unsigned num_samplers
;
70 unsigned dirty_samplers
;
73 struct vc4_shader_uniform_info
{
74 enum quniform_contents
*contents
;
77 uint32_t num_texture_samples
;
80 struct vc4_uncompiled_shader
{
81 struct pipe_shader_state base
;
82 const struct tgsi_token
*twoside_tokens
;
85 struct vc4_compiled_shader
{
89 struct vc4_shader_uniform_info uniforms
;
91 /** bitmask of which inputs are color inputs, for flat shade handling. */
92 uint32_t color_inputs
;
97 * Array of the meanings of the VPM inputs this shader needs.
99 * It doesn't include those that aren't part of the VPM, like
100 * point/line coordinates.
102 struct vc4_varying_semantic
*input_semantics
;
105 struct vc4_program_stateobj
{
106 struct vc4_uncompiled_shader
*bind_vs
, *bind_fs
;
107 struct vc4_compiled_shader
*cs
, *vs
, *fs
;
110 /* Indexed by semantic name or TGSI_SEMANTIC_COUNT + semantic index
111 * for TGSI_SEMANTIC_GENERIC. Special vs exports (position and point-
112 * size) are not included in this
114 uint8_t export_linkage
[63];
117 struct vc4_constbuf_stateobj
{
118 struct pipe_constant_buffer cb
[PIPE_MAX_CONSTANT_BUFFERS
];
119 uint32_t enabled_mask
;
123 struct vc4_vertexbuf_stateobj
{
124 struct pipe_vertex_buffer vb
[PIPE_MAX_ATTRIBS
];
126 uint32_t enabled_mask
;
130 struct vc4_vertex_stateobj
{
131 struct pipe_vertex_element pipe
[PIPE_MAX_ATTRIBS
];
132 unsigned num_elements
;
136 struct pipe_context base
;
139 struct vc4_screen
*screen
;
143 struct vc4_cl shader_rec
;
144 struct vc4_cl uniforms
;
145 struct vc4_cl bo_handles
;
146 struct vc4_cl bo_pointers
;
147 uint32_t shader_rec_count
;
149 struct vc4_bo
*tile_alloc
;
150 struct vc4_bo
*tile_state
;
152 struct util_slab_mempool transfer_pool
;
153 struct blitter_context
*blitter
;
155 /** bitfield of VC4_DIRTY_* */
157 /* Bitmask of PIPE_CLEAR_* of buffers that were cleared before the
161 /* Bitmask of PIPE_CLEAR_* of buffers that have been rendered to
162 * (either clears or draws).
165 uint32_t clear_color
[2];
166 uint32_t clear_depth
; /**< 24-bit unorm depth */
167 uint8_t clear_stencil
;
170 * Set if some drawing (triangles, blits, or just a glClear()) has
171 * been done to the FBO, meaning that we need to
172 * DRM_IOCTL_VC4_SUBMIT_CL.
177 * Set when needs_flush, and the queued rendering is not just composed
178 * of full-buffer clears.
180 bool draw_call_queued
;
182 struct primconvert_context
*primconvert
;
184 struct util_hash_table
*fs_cache
, *vs_cache
;
185 uint64_t next_compiled_program_id
;
187 struct ra_regs
*regs
;
188 unsigned int reg_class_any
;
189 unsigned int reg_class_a
;
193 /** @{ Current pipeline state objects */
194 struct pipe_scissor_state scissor
;
195 struct pipe_blend_state
*blend
;
196 struct vc4_rasterizer_state
*rasterizer
;
197 struct vc4_depth_stencil_alpha_state
*zsa
;
199 struct vc4_texture_stateobj verttex
, fragtex
;
201 struct vc4_program_stateobj prog
;
203 struct vc4_vertex_stateobj
*vtx
;
205 struct pipe_blend_color blend_color
;
206 struct pipe_stencil_ref stencil_ref
;
207 unsigned sample_mask
;
208 struct pipe_framebuffer_state framebuffer
;
209 struct pipe_poly_stipple stipple
;
210 struct pipe_viewport_state viewport
;
211 struct vc4_constbuf_stateobj constbuf
[PIPE_SHADER_TYPES
];
212 struct vc4_vertexbuf_stateobj vertexbuf
;
213 struct pipe_index_buffer indexbuf
;
217 struct vc4_rasterizer_state
{
218 struct pipe_rasterizer_state base
;
220 /* VC4_CONFIGURATION_BITS */
221 uint8_t config_bits
[3];
226 * Half-float (1/8/7 bits) value of polygon offset units for
227 * VC4_PACKET_DEPTH_OFFSET
229 uint16_t offset_units
;
231 * Half-float (1/8/7 bits) value of polygon offset scale for
232 * VC4_PACKET_DEPTH_OFFSET
234 uint16_t offset_factor
;
237 struct vc4_depth_stencil_alpha_state
{
238 struct pipe_depth_stencil_alpha_state base
;
240 /* VC4_CONFIGURATION_BITS */
241 uint8_t config_bits
[3];
243 /** Uniforms for stencil state.
245 * Index 0 is either the front config, or the front-and-back config.
246 * Index 1 is the back config if doing separate back stencil.
247 * Index 2 is the writemask config if it's not a common mask value.
249 uint32_t stencil_uniforms
[3];
252 static inline struct vc4_context
*
253 vc4_context(struct pipe_context
*pcontext
)
255 return (struct vc4_context
*)pcontext
;
258 struct pipe_context
*vc4_context_create(struct pipe_screen
*pscreen
,
260 void vc4_draw_init(struct pipe_context
*pctx
);
261 void vc4_state_init(struct pipe_context
*pctx
);
262 void vc4_program_init(struct pipe_context
*pctx
);
263 void vc4_query_init(struct pipe_context
*pctx
);
264 void vc4_simulator_init(struct vc4_screen
*screen
);
265 int vc4_simulator_flush(struct vc4_context
*vc4
,
266 struct drm_vc4_submit_cl
*args
);
268 void vc4_write_uniforms(struct vc4_context
*vc4
,
269 struct vc4_compiled_shader
*shader
,
270 struct vc4_constbuf_stateobj
*cb
,
271 struct vc4_texture_stateobj
*texstate
);
273 void vc4_flush(struct pipe_context
*pctx
);
274 void vc4_flush_for_bo(struct pipe_context
*pctx
, struct vc4_bo
*bo
);
275 void vc4_emit_state(struct pipe_context
*pctx
);
276 void vc4_generate_code(struct vc4_context
*vc4
, struct vc4_compile
*c
);
277 struct qpu_reg
*vc4_register_allocate(struct vc4_context
*vc4
, struct vc4_compile
*c
);
278 void vc4_update_compiled_shaders(struct vc4_context
*vc4
, uint8_t prim_mode
);
280 bool vc4_rt_format_supported(enum pipe_format f
);
281 bool vc4_rt_format_is_565(enum pipe_format f
);
282 bool vc4_tex_format_supported(enum pipe_format f
);
283 uint8_t vc4_get_tex_format(enum pipe_format f
);
284 const uint8_t *vc4_get_format_swizzle(enum pipe_format f
);
285 void vc4_init_query_functions(struct vc4_context
*vc4
);
286 #endif /* VC4_CONTEXT_H */