swr_context.h revision b8e80941 
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11 * The above copyright notice and this permission notice (including the next
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14 *
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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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_GS (1 << 7)
44#define SWR_NEW_VSCONSTANTS (1 << 8)
45#define SWR_NEW_FSCONSTANTS (1 << 9)
46#define SWR_NEW_GSCONSTANTS (1 << 10)
47#define SWR_NEW_VERTEX (1 << 11)
48#define SWR_NEW_STIPPLE (1 << 12)
49#define SWR_NEW_SCISSOR (1 << 13)
50#define SWR_NEW_VIEWPORT (1 << 14)
51#define SWR_NEW_FRAMEBUFFER (1 << 15)
52#define SWR_NEW_CLIP (1 << 16)
53#define SWR_NEW_SO (1 << 17)
54#define SWR_LARGE_CLIENT_DRAW (1<<18) // Indicates client draw will block
55
56namespace std
57{
58template <> struct hash<BLEND_COMPILE_STATE> {
59   std::size_t operator()(const BLEND_COMPILE_STATE &k) const
60   {
61      return util_hash_crc32(&k, sizeof(k));
62   }
63};
64};
65
66struct swr_jit_texture {
67   uint32_t width; // same as number of elements
68   uint32_t height;
69   uint32_t depth; // doubles as array size
70   uint32_t first_level;
71   uint32_t last_level;
72   const uint8_t *base_ptr;
73   uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
74   uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
75   uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
76};
77
78struct swr_jit_sampler {
79   float min_lod;
80   float max_lod;
81   float lod_bias;
82   float border_color[4];
83};
84
85struct swr_draw_context {
86   const float *constantVS[PIPE_MAX_CONSTANT_BUFFERS];
87   uint32_t num_constantsVS[PIPE_MAX_CONSTANT_BUFFERS];
88   const float *constantFS[PIPE_MAX_CONSTANT_BUFFERS];
89   uint32_t num_constantsFS[PIPE_MAX_CONSTANT_BUFFERS];
90   const float *constantGS[PIPE_MAX_CONSTANT_BUFFERS];
91   uint32_t num_constantsGS[PIPE_MAX_CONSTANT_BUFFERS];
92
93   swr_jit_texture texturesVS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
94   swr_jit_sampler samplersVS[PIPE_MAX_SAMPLERS];
95   swr_jit_texture texturesFS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
96   swr_jit_sampler samplersFS[PIPE_MAX_SAMPLERS];
97   swr_jit_texture texturesGS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
98   swr_jit_sampler samplersGS[PIPE_MAX_SAMPLERS];
99
100   float userClipPlanes[PIPE_MAX_CLIP_PLANES][4];
101
102   uint32_t polyStipple[32];
103
104   SWR_SURFACE_STATE renderTargets[SWR_NUM_ATTACHMENTS];
105   struct swr_query_result *pStats; // @llvm_struct
106   SWR_INTERFACE *pAPI; // @llvm_struct - Needed for the swr_memory callbacks
107};
108
109/* gen_llvm_types FINI */
110
111struct swr_context {
112   struct pipe_context pipe; /**< base class */
113
114   HANDLE swrContext;
115
116   /** Constant state objects */
117   struct swr_blend_state *blend;
118   struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
119   struct pipe_depth_stencil_alpha_state *depth_stencil;
120   struct pipe_rasterizer_state *rasterizer;
121
122   struct swr_vertex_shader *vs;
123   struct swr_fragment_shader *fs;
124   struct swr_geometry_shader *gs;
125   struct swr_vertex_element_state *velems;
126
127   /** Other rendering state */
128   struct pipe_blend_color blend_color;
129   struct pipe_stencil_ref stencil_ref;
130   struct pipe_clip_state clip;
131   struct pipe_constant_buffer
132      constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
133   struct pipe_framebuffer_state framebuffer;
134   struct swr_poly_stipple poly_stipple;
135   struct pipe_scissor_state scissor;
136   SWR_RECT swr_scissor;
137   struct pipe_sampler_view *
138      sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
139
140   struct pipe_viewport_state viewport;
141   struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
142
143   struct blitter_context *blitter;
144
145   /** Conditional query object and mode */
146   struct pipe_query *render_cond_query;
147   enum pipe_render_cond_flag render_cond_mode;
148   boolean render_cond_cond;
149   unsigned active_queries;
150
151   unsigned num_vertex_buffers;
152   unsigned num_samplers[PIPE_SHADER_TYPES];
153   unsigned num_sampler_views[PIPE_SHADER_TYPES];
154
155   unsigned sample_mask;
156
157   // streamout
158   pipe_stream_output_target *so_targets[MAX_SO_STREAMS];
159   uint32_t num_so_targets;
160
161   /* Temp storage for user_buffer constants */
162   struct swr_scratch_buffers *scratch;
163
164   // blend jit functions
165   std::unordered_map<BLEND_COMPILE_STATE, PFN_BLEND_JIT_FUNC> *blendJIT;
166
167   /* Derived SWR API DrawState */
168   struct swr_derived_state derived;
169
170   /* SWR private state - draw context */
171   struct swr_draw_context swrDC;
172
173   unsigned dirty; /**< Mask of SWR_NEW_x flags */
174
175   SWR_INTERFACE api;
176
177   uint32_t max_draws_in_flight;
178};
179
180static INLINE struct swr_context *
181swr_context(struct pipe_context *pipe)
182{
183   return (struct swr_context *)pipe;
184}
185
186static INLINE void
187swr_update_draw_context(struct swr_context *ctx,
188      struct swr_query_result *pqr = nullptr)
189{
190   swr_draw_context *pDC =
191      (swr_draw_context *)ctx->api.pfnSwrGetPrivateContextState(ctx->swrContext);
192   if (pqr)
193      ctx->swrDC.pStats = pqr;
194   memcpy(pDC, &ctx->swrDC, sizeof(swr_draw_context));
195}
196
197struct pipe_context *swr_create_context(struct pipe_screen *, void *priv, unsigned flags);
198
199void swr_state_init(struct pipe_context *pipe);
200
201void swr_clear_init(struct pipe_context *pipe);
202
203void swr_draw_init(struct pipe_context *pipe);
204
205void swr_finish(struct pipe_context *pipe);
206
207void swr_do_msaa_resolve(struct pipe_resource *src_resource,
208                         struct pipe_resource *dst_resource);
209#endif
210