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
28 #include "pipe/p_context.h"
29 #include "pipe/p_state.h"
30 #include "util/u_slab.h"
32 #include "vc4_bufmgr.h"
33 #include "vc4_resource.h"
36 #define VC4_DIRTY_BLEND (1 << 0)
37 #define VC4_DIRTY_RASTERIZER (1 << 1)
38 #define VC4_DIRTY_ZSA (1 << 2)
39 #define VC4_DIRTY_FRAGTEX (1 << 3)
40 #define VC4_DIRTY_VERTTEX (1 << 4)
41 #define VC4_DIRTY_TEXSTATE (1 << 5)
42 #define VC4_DIRTY_PROG (1 << 6)
43 #define VC4_DIRTY_BLEND_COLOR (1 << 7)
44 #define VC4_DIRTY_STENCIL_REF (1 << 8)
45 #define VC4_DIRTY_SAMPLE_MASK (1 << 9)
46 #define VC4_DIRTY_FRAMEBUFFER (1 << 10)
47 #define VC4_DIRTY_STIPPLE (1 << 11)
48 #define VC4_DIRTY_VIEWPORT (1 << 12)
49 #define VC4_DIRTY_CONSTBUF (1 << 13)
50 #define VC4_DIRTY_VTXSTATE (1 << 14)
51 #define VC4_DIRTY_VTXBUF (1 << 15)
52 #define VC4_DIRTY_INDEXBUF (1 << 16)
53 #define VC4_DIRTY_SCISSOR (1 << 17)
55 #define VC4_SHADER_DIRTY_VP (1 << 0)
56 #define VC4_SHADER_DIRTY_FP (1 << 1)
58 struct vc4_texture_stateobj
{
59 struct pipe_sampler_view
*textures
[PIPE_MAX_SAMPLERS
];
60 unsigned num_textures
;
61 struct pipe_sampler_state
*samplers
[PIPE_MAX_SAMPLERS
];
62 unsigned num_samplers
;
63 unsigned dirty_samplers
;
66 struct vc4_shader_state
{
67 struct pipe_shader_state base
;
71 struct vc4_program_stateobj
{
72 struct vc4_shader_state
*vs
, *fs
;
75 /* Indexed by semantic name or TGSI_SEMANTIC_COUNT + semantic index
76 * for TGSI_SEMANTIC_GENERIC. Special vs exports (position and point-
77 * size) are not included in this
79 uint8_t export_linkage
[63];
82 struct vc4_constbuf_stateobj
{
83 struct pipe_constant_buffer cb
[PIPE_MAX_CONSTANT_BUFFERS
];
84 uint32_t enabled_mask
;
88 struct vc4_vertexbuf_stateobj
{
89 struct pipe_vertex_buffer vb
[PIPE_MAX_ATTRIBS
];
91 uint32_t enabled_mask
;
95 struct vc4_vertex_stateobj
{
96 struct pipe_vertex_element pipe
[PIPE_MAX_ATTRIBS
];
97 unsigned num_elements
;
101 struct pipe_context base
;
104 struct vc4_screen
*screen
;
108 struct vc4_cl shader_rec
;
109 struct vc4_cl bo_handles
;
110 uint32_t shader_rec_count
;
112 struct util_slab_mempool transfer_pool
;
113 struct blitter_context
*blitter
;
115 /** bitfield of VC4_DIRTY_* */
119 * Set if some drawing (triangles, blits, or just a glClear()) has
120 * been done to the FBO, meaning that we need to
121 * DRM_IOCTL_VC4_SUBMIT_CL.
125 /** @{ Current pipeline state objects */
126 struct pipe_scissor_state scissor
;
127 struct pipe_blend_state
*blend
;
128 struct vc4_rasterizer_state
*rasterizer
;
129 struct pipe_depth_stencil_alpha_state
*zsa
;
131 struct vc4_texture_stateobj verttex
, fragtex
;
133 struct vc4_program_stateobj prog
;
135 struct vc4_vertex_stateobj
*vtx
;
137 struct pipe_blend_color blend_color
;
138 struct pipe_stencil_ref stencil_ref
;
139 unsigned sample_mask
;
140 struct pipe_framebuffer_state framebuffer
;
141 struct pipe_poly_stipple stipple
;
142 struct pipe_viewport_state viewport
;
143 struct vc4_constbuf_stateobj constbuf
[PIPE_SHADER_TYPES
];
144 struct vc4_vertexbuf_stateobj vertexbuf
;
145 struct pipe_index_buffer indexbuf
;
149 struct vc4_rasterizer_state
{
150 struct pipe_rasterizer_state base
;
152 /* VC4_CONFIGURATION_BITS */
153 uint8_t config_bits
[3];
158 static inline struct vc4_context
*
159 vc4_context(struct pipe_context
*pcontext
)
161 return (struct vc4_context
*)pcontext
;
164 struct pipe_context
*vc4_context_create(struct pipe_screen
*pscreen
,
166 void vc4_draw_init(struct pipe_context
*pctx
);
167 void vc4_state_init(struct pipe_context
*pctx
);
168 void vc4_program_init(struct pipe_context
*pctx
);
169 void vc4_simulator_init(struct vc4_screen
*screen
);
170 void vc4_simulator_flush(struct vc4_context
*vc4
,
171 struct vc4_surface
*color_surf
);
172 void *vc4_simulator_alloc(struct vc4_screen
*screen
, uint32_t size
);
174 void vc4_flush(struct pipe_context
*pctx
);
175 void vc4_emit_state(struct pipe_context
*pctx
);
177 #endif /* VC4_CONTEXT_H */