1 /****************************************************************************
2 * Copyright (C) 2015 Intel Corporation. All Rights Reserved.
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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 ***************************************************************************/
27 #include "pipe/p_context.h"
28 #include "pipe/p_state.h"
29 #include "util/u_blitter.h"
31 #include "swr_state.h"
32 #include <unordered_map>
34 #define SWR_NEW_BLEND (1 << 0)
35 #define SWR_NEW_RASTERIZER (1 << 1)
36 #define SWR_NEW_DEPTH_STENCIL_ALPHA (1 << 2)
37 #define SWR_NEW_SAMPLER (1 << 3)
38 #define SWR_NEW_SAMPLER_VIEW (1 << 4)
39 #define SWR_NEW_VS (1 << 5)
40 #define SWR_NEW_FS (1 << 6)
41 #define SWR_NEW_VSCONSTANTS (1 << 7)
42 #define SWR_NEW_FSCONSTANTS (1 << 8)
43 #define SWR_NEW_VERTEX (1 << 9)
44 #define SWR_NEW_STIPPLE (1 << 10)
45 #define SWR_NEW_SCISSOR (1 << 11)
46 #define SWR_NEW_VIEWPORT (1 << 12)
47 #define SWR_NEW_FRAMEBUFFER (1 << 13)
48 #define SWR_NEW_CLIP (1 << 14)
49 #define SWR_NEW_SO (1 << 15)
50 #define SWR_NEW_ALL 0x0000ffff
54 template <> struct hash
<BLEND_COMPILE_STATE
> {
55 std::size_t operator()(const BLEND_COMPILE_STATE
&k
) const
57 return util_hash_crc32(&k
, sizeof(k
));
62 struct swr_jit_texture
{
63 uint32_t width
; // same as number of elements
65 uint32_t depth
; // doubles as array size
69 uint32_t row_stride
[PIPE_MAX_TEXTURE_LEVELS
];
70 uint32_t img_stride
[PIPE_MAX_TEXTURE_LEVELS
];
71 uint32_t mip_offsets
[PIPE_MAX_TEXTURE_LEVELS
];
74 struct swr_jit_sampler
{
78 float border_color
[4];
81 struct swr_draw_context
{
82 const float *constantVS
[PIPE_MAX_CONSTANT_BUFFERS
];
83 unsigned num_constantsVS
[PIPE_MAX_CONSTANT_BUFFERS
];
84 const float *constantFS
[PIPE_MAX_CONSTANT_BUFFERS
];
85 unsigned num_constantsFS
[PIPE_MAX_CONSTANT_BUFFERS
];
87 swr_jit_texture texturesVS
[PIPE_MAX_SHADER_SAMPLER_VIEWS
];
88 swr_jit_sampler samplersVS
[PIPE_MAX_SAMPLERS
];
89 swr_jit_texture texturesFS
[PIPE_MAX_SHADER_SAMPLER_VIEWS
];
90 swr_jit_sampler samplersFS
[PIPE_MAX_SAMPLERS
];
92 SWR_SURFACE_STATE renderTargets
[SWR_NUM_ATTACHMENTS
];
96 struct pipe_context pipe
; /**< base class */
100 /** Constant state objects */
101 struct swr_blend_state
*blend
;
102 struct pipe_sampler_state
*samplers
[PIPE_SHADER_TYPES
][PIPE_MAX_SAMPLERS
];
103 struct pipe_depth_stencil_alpha_state
*depth_stencil
;
104 struct pipe_rasterizer_state
*rasterizer
;
106 struct swr_vertex_shader
*vs
;
107 struct swr_fragment_shader
*fs
;
108 struct swr_vertex_element_state
*velems
;
110 /** Other rendering state */
111 struct pipe_blend_color blend_color
;
112 struct pipe_stencil_ref stencil_ref
;
113 struct pipe_clip_state clip
;
114 struct pipe_constant_buffer
115 constants
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
116 struct pipe_framebuffer_state framebuffer
;
117 struct pipe_poly_stipple poly_stipple
;
118 struct pipe_scissor_state scissor
;
119 struct pipe_sampler_view
*
120 sampler_views
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
122 struct pipe_viewport_state viewport
;
123 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
124 struct pipe_index_buffer index_buffer
;
126 struct blitter_context
*blitter
;
128 /** Conditional query object and mode */
129 struct pipe_query
*render_cond_query
;
130 uint render_cond_mode
;
131 boolean render_cond_cond
;
132 unsigned active_queries
;
134 unsigned num_vertex_buffers
;
135 unsigned num_samplers
[PIPE_SHADER_TYPES
];
136 unsigned num_sampler_views
[PIPE_SHADER_TYPES
];
138 unsigned sample_mask
;
141 pipe_stream_output_target
*so_targets
[MAX_SO_STREAMS
];
142 uint32_t num_so_targets
;
144 /* Temp storage for user_buffer constants */
145 struct swr_scratch_buffers
*scratch
;
147 // blend jit functions
148 std::unordered_map
<BLEND_COMPILE_STATE
, PFN_BLEND_JIT_FUNC
> *blendJIT
;
150 /* Derived SWR API DrawState */
151 struct swr_derived_state derived
;
153 /* SWR private state - draw context */
154 struct swr_draw_context swrDC
;
156 unsigned dirty
; /**< Mask of SWR_NEW_x flags */
159 static INLINE
struct swr_context
*
160 swr_context(struct pipe_context
*pipe
)
162 return (struct swr_context
*)pipe
;
166 swr_update_draw_context(struct swr_context
*ctx
)
168 swr_draw_context
*pDC
=
169 (swr_draw_context
*)SwrGetPrivateContextState(ctx
->swrContext
);
170 memcpy(pDC
, &ctx
->swrDC
, sizeof(swr_draw_context
));
173 struct pipe_context
*swr_create_context(struct pipe_screen
*, void *priv
, unsigned flags
);
175 void swr_state_init(struct pipe_context
*pipe
);
177 void swr_clear_init(struct pipe_context
*pipe
);
179 void swr_draw_init(struct pipe_context
*pipe
);
181 void swr_finish(struct pipe_context
*pipe
);