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1 /****************************************************************************
2  * Copyright (C) 2015 Intel Corporation.   All Rights Reserved.
3  *
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:
10  *
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
13  * Software.
14  *
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
21  * IN THE SOFTWARE.
22  ***************************************************************************/
23 
24 #ifndef SWR_CONTEXT_H
25 #define SWR_CONTEXT_H
26 
27 #include "common/os.h"
28 
29 #include "pipe/p_context.h"
30 #include "pipe/p_state.h"
31 #include "util/u_blitter.h"
32 #include "rasterizer/memory/SurfaceState.h"
33 #include "rasterizer/memory/InitMemory.h"
34 #include "jit_api.h"
35 #include "swr_state.h"
36 #include <unordered_map>
37 
38 #define SWR_NEW_BLEND (1 << 0)
39 #define SWR_NEW_RASTERIZER (1 << 1)
40 #define SWR_NEW_DEPTH_STENCIL_ALPHA (1 << 2)
41 #define SWR_NEW_SAMPLER (1 << 3)
42 #define SWR_NEW_SAMPLER_VIEW (1 << 4)
43 #define SWR_NEW_VS (1 << 5)
44 #define SWR_NEW_FS (1 << 6)
45 #define SWR_NEW_GS (1 << 7)
46 #define SWR_NEW_VSCONSTANTS (1 << 8)
47 #define SWR_NEW_FSCONSTANTS (1 << 9)
48 #define SWR_NEW_GSCONSTANTS (1 << 10)
49 #define SWR_NEW_VERTEX (1 << 11)
50 #define SWR_NEW_STIPPLE (1 << 12)
51 #define SWR_NEW_SCISSOR (1 << 13)
52 #define SWR_NEW_VIEWPORT (1 << 14)
53 #define SWR_NEW_FRAMEBUFFER (1 << 15)
54 #define SWR_NEW_CLIP (1 << 16)
55 #define SWR_NEW_SO (1 << 17)
56 #define SWR_BLOCK_CLIENT_DRAW ( 1 << 18) // Indicates client draw will block
57 #define SWR_NEW_TCS (1 << 19)
58 #define SWR_NEW_TES (1 << 20)
59 #define SWR_NEW_TS (1 << 21)
60 #define SWR_NEW_TCSCONSTANTS (1 << 22)
61 #define SWR_NEW_TESCONSTANTS (1 << 23)
62 
63 namespace std
64 {
65 template <> struct hash<BLEND_COMPILE_STATE> {
66    std::size_t operator()(const BLEND_COMPILE_STATE &k) const
67    {
68       return util_hash_crc32(&k, sizeof(k));
69    }
70 };
71 };
72 
73 struct swr_jit_texture {
74    uint32_t width; // same as number of elements
75    uint32_t height;
76    uint32_t depth; // doubles as array size
77    uint32_t first_level;
78    uint32_t last_level;
79    const uint8_t *base_ptr;
80    uint32_t num_samples;
81    uint32_t sample_stride;
82    uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
83    uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
84    uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
85 };
86 
87 struct swr_jit_sampler {
88    float min_lod;
89    float max_lod;
90    float lod_bias;
91    float border_color[4];
92 };
93 
94 struct swr_draw_context {
95    const float *constantVS[PIPE_MAX_CONSTANT_BUFFERS];
96    uint32_t num_constantsVS[PIPE_MAX_CONSTANT_BUFFERS];
97    const float *constantFS[PIPE_MAX_CONSTANT_BUFFERS];
98    uint32_t num_constantsFS[PIPE_MAX_CONSTANT_BUFFERS];
99    const float *constantGS[PIPE_MAX_CONSTANT_BUFFERS];
100    uint32_t num_constantsGS[PIPE_MAX_CONSTANT_BUFFERS];
101    const float *constantTCS[PIPE_MAX_CONSTANT_BUFFERS];
102    uint32_t num_constantsTCS[PIPE_MAX_CONSTANT_BUFFERS];
103    const float *constantTES[PIPE_MAX_CONSTANT_BUFFERS];
104    uint32_t num_constantsTES[PIPE_MAX_CONSTANT_BUFFERS];
105 
106    swr_jit_texture texturesVS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
107    swr_jit_sampler samplersVS[PIPE_MAX_SAMPLERS];
108    swr_jit_texture texturesFS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
109    swr_jit_sampler samplersFS[PIPE_MAX_SAMPLERS];
110    swr_jit_texture texturesGS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
111    swr_jit_sampler samplersGS[PIPE_MAX_SAMPLERS];
112    swr_jit_texture texturesTCS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
113    swr_jit_sampler samplersTCS[PIPE_MAX_SAMPLERS];
114    swr_jit_texture texturesTES[PIPE_MAX_SHADER_SAMPLER_VIEWS];
115    swr_jit_sampler samplersTES[PIPE_MAX_SAMPLERS];
116 
117    float userClipPlanes[PIPE_MAX_CLIP_PLANES][4];
118 
119    uint32_t polyStipple[32];
120 
121    SWR_SURFACE_STATE renderTargets[SWR_NUM_ATTACHMENTS];
122    struct swr_query_result *pStats; // @llvm_struct
123    SWR_INTERFACE *pAPI; // @llvm_struct - Needed for the swr_memory callbacks
124    SWR_TILE_INTERFACE *pTileAPI; // @llvm_struct - Needed for the swr_memory callbacks
125 
126    uint64_t* soPrims; //number of primitives written to StreamOut buffer
127 };
128 
129 /* gen_llvm_types FINI */
130 
131 struct swr_context {
132    struct pipe_context pipe; /**< base class */
133 
134    HANDLE swrContext;
135 
136    SWR_TS_STATE tsState;
137 
138    /** Constant state objects */
139    struct swr_blend_state *blend;
140    struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
141    struct pipe_depth_stencil_alpha_state *depth_stencil;
142    struct pipe_rasterizer_state *rasterizer;
143 
144    struct swr_vertex_shader *vs;
145    struct swr_fragment_shader *fs;
146    struct swr_geometry_shader *gs;
147    struct swr_tess_control_shader *tcs;
148    struct swr_tess_evaluation_shader *tes;
149    struct swr_vertex_element_state *velems;
150 
151    /** Other rendering state */
152    struct pipe_blend_color blend_color;
153    struct pipe_stencil_ref stencil_ref;
154    struct pipe_clip_state clip;
155    struct pipe_constant_buffer
156       constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
157    struct pipe_framebuffer_state framebuffer;
158    struct swr_poly_stipple poly_stipple;
159    struct pipe_scissor_state scissors[KNOB_NUM_VIEWPORTS_SCISSORS];
160    SWR_RECT swr_scissors[KNOB_NUM_VIEWPORTS_SCISSORS];
161    struct pipe_sampler_view *
162       sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
163 
164    struct pipe_viewport_state viewports[KNOB_NUM_VIEWPORTS_SCISSORS];
165    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
166 
167    struct blitter_context *blitter;
168 
169    /** Conditional query object and mode */
170    struct pipe_query *render_cond_query;
171    enum pipe_render_cond_flag render_cond_mode;
172    bool render_cond_cond;
173    unsigned active_queries;
174 
175    unsigned num_vertex_buffers;
176    unsigned num_samplers[PIPE_SHADER_TYPES];
177    unsigned num_sampler_views[PIPE_SHADER_TYPES];
178 
179    unsigned sample_mask;
180 
181    // streamout
182    pipe_stream_output_target *so_targets[MAX_SO_STREAMS];
183    uint32_t num_so_targets;
184    uint64_t so_primCounter; // number of primitives written to StreamOut buffer
185 
186    /* Temp storage for user_buffer constants */
187    struct swr_scratch_buffers *scratch;
188 
189    // blend jit functions
190    std::unordered_map<BLEND_COMPILE_STATE, PFN_BLEND_JIT_FUNC> *blendJIT;
191 
192    /* Derived SWR API DrawState */
193    struct swr_derived_state derived;
194 
195    /* SWR private state - draw context */
196    struct swr_draw_context swrDC;
197 
198    unsigned dirty; /**< Mask of SWR_NEW_x flags */
199 
200    SWR_INTERFACE api;
201    SWR_TILE_INTERFACE tileApi;
202 
203    uint32_t max_draws_in_flight;
204 };
205 
206 static INLINE struct swr_context *
207 swr_context(struct pipe_context *pipe)
208 {
209    return (struct swr_context *)pipe;
210 }
211 
212 static INLINE void
213 swr_update_draw_context(struct swr_context *ctx,
214       struct swr_query_result *pqr = nullptr)
215 {
216    swr_draw_context *pDC =
217       (swr_draw_context *)ctx->api.pfnSwrGetPrivateContextState(ctx->swrContext);
218    if (pqr)
219       ctx->swrDC.pStats = pqr;
220    memcpy(pDC, &ctx->swrDC, sizeof(swr_draw_context));
221 }
222 
223 struct pipe_context *swr_create_context(struct pipe_screen *, void *priv, unsigned flags);
224 
225 void swr_state_init(struct pipe_context *pipe);
226 
227 void swr_clear_init(struct pipe_context *pipe);
228 
229 void swr_draw_init(struct pipe_context *pipe);
230 
231 void swr_finish(struct pipe_context *pipe);
232 
233 void swr_do_msaa_resolve(struct pipe_resource *src_resource,
234                          struct pipe_resource *dst_resource);
235 #endif
236