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"
37 #define VC4_DIRTY_BLEND (1 << 0)
38 #define VC4_DIRTY_RASTERIZER (1 << 1)
39 #define VC4_DIRTY_ZSA (1 << 2)
40 #define VC4_DIRTY_FRAGTEX (1 << 3)
41 #define VC4_DIRTY_VERTTEX (1 << 4)
42 #define VC4_DIRTY_TEXSTATE (1 << 5)
43 #define VC4_DIRTY_PROG (1 << 6)
44 #define VC4_DIRTY_BLEND_COLOR (1 << 7)
45 #define VC4_DIRTY_STENCIL_REF (1 << 8)
46 #define VC4_DIRTY_SAMPLE_MASK (1 << 9)
47 #define VC4_DIRTY_FRAMEBUFFER (1 << 10)
48 #define VC4_DIRTY_STIPPLE (1 << 11)
49 #define VC4_DIRTY_VIEWPORT (1 << 12)
50 #define VC4_DIRTY_CONSTBUF (1 << 13)
51 #define VC4_DIRTY_VTXSTATE (1 << 14)
52 #define VC4_DIRTY_VTXBUF (1 << 15)
53 #define VC4_DIRTY_INDEXBUF (1 << 16)
54 #define VC4_DIRTY_SCISSOR (1 << 17)
56 #define VC4_SHADER_DIRTY_VP (1 << 0)
57 #define VC4_SHADER_DIRTY_FP (1 << 1)
59 struct vc4_texture_stateobj
{
60 struct pipe_sampler_view
*textures
[PIPE_MAX_SAMPLERS
];
61 unsigned num_textures
;
62 struct pipe_sampler_state
*samplers
[PIPE_MAX_SAMPLERS
];
63 unsigned num_samplers
;
64 unsigned dirty_samplers
;
67 struct vc4_shader_uniform_info
{
68 enum quniform_contents
*contents
;
73 struct vc4_shader_state
{
74 struct pipe_shader_state base
;
77 struct vc4_shader_uniform_info uniforms
[2];
79 uint32_t coord_shader_offset
;
82 struct vc4_program_stateobj
{
83 struct vc4_shader_state
*vs
, *fs
;
86 /* Indexed by semantic name or TGSI_SEMANTIC_COUNT + semantic index
87 * for TGSI_SEMANTIC_GENERIC. Special vs exports (position and point-
88 * size) are not included in this
90 uint8_t export_linkage
[63];
93 struct vc4_constbuf_stateobj
{
94 struct pipe_constant_buffer cb
[PIPE_MAX_CONSTANT_BUFFERS
];
95 uint32_t enabled_mask
;
99 struct vc4_vertexbuf_stateobj
{
100 struct pipe_vertex_buffer vb
[PIPE_MAX_ATTRIBS
];
102 uint32_t enabled_mask
;
106 struct vc4_vertex_stateobj
{
107 struct pipe_vertex_element pipe
[PIPE_MAX_ATTRIBS
];
108 unsigned num_elements
;
112 struct pipe_context base
;
115 struct vc4_screen
*screen
;
119 struct vc4_cl shader_rec
;
120 struct vc4_cl bo_handles
;
121 uint32_t shader_rec_count
;
123 struct util_slab_mempool transfer_pool
;
124 struct blitter_context
*blitter
;
126 /** bitfield of VC4_DIRTY_* */
130 * Set if some drawing (triangles, blits, or just a glClear()) has
131 * been done to the FBO, meaning that we need to
132 * DRM_IOCTL_VC4_SUBMIT_CL.
136 /** @{ Current pipeline state objects */
137 struct pipe_scissor_state scissor
;
138 struct pipe_blend_state
*blend
;
139 struct vc4_rasterizer_state
*rasterizer
;
140 struct pipe_depth_stencil_alpha_state
*zsa
;
142 struct vc4_texture_stateobj verttex
, fragtex
;
144 struct vc4_program_stateobj prog
;
146 struct vc4_vertex_stateobj
*vtx
;
148 struct pipe_blend_color blend_color
;
149 struct pipe_stencil_ref stencil_ref
;
150 unsigned sample_mask
;
151 struct pipe_framebuffer_state framebuffer
;
152 struct pipe_poly_stipple stipple
;
153 struct pipe_viewport_state viewport
;
154 struct vc4_constbuf_stateobj constbuf
[PIPE_SHADER_TYPES
];
155 struct vc4_vertexbuf_stateobj vertexbuf
;
156 struct pipe_index_buffer indexbuf
;
160 struct vc4_rasterizer_state
{
161 struct pipe_rasterizer_state base
;
163 /* VC4_CONFIGURATION_BITS */
164 uint8_t config_bits
[3];
169 static inline struct vc4_context
*
170 vc4_context(struct pipe_context
*pcontext
)
172 return (struct vc4_context
*)pcontext
;
175 struct pipe_context
*vc4_context_create(struct pipe_screen
*pscreen
,
177 void vc4_draw_init(struct pipe_context
*pctx
);
178 void vc4_state_init(struct pipe_context
*pctx
);
179 void vc4_program_init(struct pipe_context
*pctx
);
180 void vc4_simulator_init(struct vc4_screen
*screen
);
181 void vc4_simulator_flush(struct vc4_context
*vc4
,
182 struct vc4_surface
*color_surf
);
183 void *vc4_simulator_alloc(struct vc4_screen
*screen
, uint32_t size
);
185 void vc4_get_uniform_bo(struct vc4_context
*vc4
,
186 struct vc4_shader_state
*shader
,
187 struct vc4_constbuf_stateobj
*cb
,
188 int shader_index
, struct vc4_bo
**out_bo
,
189 uint32_t *out_offset
);
191 void vc4_flush(struct pipe_context
*pctx
);
192 void vc4_emit_state(struct pipe_context
*pctx
);
193 void vc4_generate_code(struct qcompile
*c
);
195 #endif /* VC4_CONTEXT_H */