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 "jit_api.h"
33#include "swr_state.h"
34#include <unordered_map>
35
36#define SWR_NEW_BLEND (1 << 0)
37#define SWR_NEW_RASTERIZER (1 << 1)
38#define SWR_NEW_DEPTH_STENCIL_ALPHA (1 << 2)
39#define SWR_NEW_SAMPLER (1 << 3)
40#define SWR_NEW_SAMPLER_VIEW (1 << 4)
41#define SWR_NEW_VS (1 << 5)
42#define SWR_NEW_FS (1 << 6)
43#define SWR_NEW_VSCONSTANTS (1 << 7)
44#define SWR_NEW_FSCONSTANTS (1 << 8)
45#define SWR_NEW_VERTEX (1 << 9)
46#define SWR_NEW_STIPPLE (1 << 10)
47#define SWR_NEW_SCISSOR (1 << 11)
48#define SWR_NEW_VIEWPORT (1 << 12)
49#define SWR_NEW_FRAMEBUFFER (1 << 13)
50#define SWR_NEW_CLIP (1 << 14)
51#define SWR_NEW_SO (1 << 15)
52#define SWR_NEW_ALL 0x0000ffff
53
54namespace std
55{
56template <> struct hash<BLEND_COMPILE_STATE> {
57   std::size_t operator()(const BLEND_COMPILE_STATE &k) const
58   {
59      return util_hash_crc32(&k, sizeof(k));
60   }
61};
62};
63
64struct swr_jit_texture {
65   uint32_t width; // same as number of elements
66   uint32_t height;
67   uint32_t depth; // doubles as array size
68   uint32_t first_level;
69   uint32_t last_level;
70   const uint8_t *base_ptr;
71   uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
72   uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
73   uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
74};
75
76struct swr_jit_sampler {
77   float min_lod;
78   float max_lod;
79   float lod_bias;
80   float border_color[4];
81};
82
83struct swr_draw_context {
84   const float *constantVS[PIPE_MAX_CONSTANT_BUFFERS];
85   uint32_t num_constantsVS[PIPE_MAX_CONSTANT_BUFFERS];
86   const float *constantFS[PIPE_MAX_CONSTANT_BUFFERS];
87   uint32_t num_constantsFS[PIPE_MAX_CONSTANT_BUFFERS];
88
89   swr_jit_texture texturesVS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
90   swr_jit_sampler samplersVS[PIPE_MAX_SAMPLERS];
91   swr_jit_texture texturesFS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
92   swr_jit_sampler samplersFS[PIPE_MAX_SAMPLERS];
93
94   float userClipPlanes[PIPE_MAX_CLIP_PLANES][4];
95
96   SWR_SURFACE_STATE renderTargets[SWR_NUM_ATTACHMENTS];
97   void *pStats;
98};
99
100/* gen_llvm_types FINI */
101
102struct swr_context {
103   struct pipe_context pipe; /**< base class */
104
105   HANDLE swrContext;
106
107   /** Constant state objects */
108   struct swr_blend_state *blend;
109   struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
110   struct pipe_depth_stencil_alpha_state *depth_stencil;
111   struct pipe_rasterizer_state *rasterizer;
112
113   struct swr_vertex_shader *vs;
114   struct swr_fragment_shader *fs;
115   struct swr_vertex_element_state *velems;
116
117   /** Other rendering state */
118   struct pipe_blend_color blend_color;
119   struct pipe_stencil_ref stencil_ref;
120   struct pipe_clip_state clip;
121   struct pipe_constant_buffer
122      constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
123   struct pipe_framebuffer_state framebuffer;
124   struct pipe_poly_stipple poly_stipple;
125   struct pipe_scissor_state scissor;
126   SWR_RECT swr_scissor;
127   struct pipe_sampler_view *
128      sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
129
130   struct pipe_viewport_state viewport;
131   struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
132   struct pipe_index_buffer index_buffer;
133
134   struct blitter_context *blitter;
135
136   /** Conditional query object and mode */
137   struct pipe_query *render_cond_query;
138   uint render_cond_mode;
139   boolean render_cond_cond;
140   unsigned active_queries;
141
142   unsigned num_vertex_buffers;
143   unsigned num_samplers[PIPE_SHADER_TYPES];
144   unsigned num_sampler_views[PIPE_SHADER_TYPES];
145
146   unsigned sample_mask;
147
148   // streamout
149   pipe_stream_output_target *so_targets[MAX_SO_STREAMS];
150   uint32_t num_so_targets;
151
152   /* Temp storage for user_buffer constants */
153   struct swr_scratch_buffers *scratch;
154
155   // blend jit functions
156   std::unordered_map<BLEND_COMPILE_STATE, PFN_BLEND_JIT_FUNC> *blendJIT;
157
158   /* Derived SWR API DrawState */
159   struct swr_derived_state derived;
160
161   /* SWR private state - draw context */
162   struct swr_draw_context swrDC;
163
164   unsigned dirty; /**< Mask of SWR_NEW_x flags */
165};
166
167static INLINE struct swr_context *
168swr_context(struct pipe_context *pipe)
169{
170   return (struct swr_context *)pipe;
171}
172
173static INLINE void
174swr_update_draw_context(struct swr_context *ctx,
175      struct swr_query_result *pqr = nullptr)
176{
177   swr_draw_context *pDC =
178      (swr_draw_context *)SwrGetPrivateContextState(ctx->swrContext);
179   if (pqr)
180      ctx->swrDC.pStats = pqr;
181   memcpy(pDC, &ctx->swrDC, sizeof(swr_draw_context));
182}
183
184struct pipe_context *swr_create_context(struct pipe_screen *, void *priv, unsigned flags);
185
186void swr_state_init(struct pipe_context *pipe);
187
188void swr_clear_init(struct pipe_context *pipe);
189
190void swr_draw_init(struct pipe_context *pipe);
191
192void swr_finish(struct pipe_context *pipe);
193#endif
194