1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * Rob Clark <robclark@freedesktop.org>
29 #ifndef FREEDRENO_CONTEXT_H_
30 #define FREEDRENO_CONTEXT_H_
32 #include "draw/draw_context.h"
33 #include "pipe/p_context.h"
34 #include "util/u_blitter.h"
35 #include "util/u_slab.h"
36 #include "util/u_string.h"
38 #include "freedreno_screen.h"
40 struct fd_vertex_stateobj
;
42 struct fd_texture_stateobj
{
43 struct pipe_sampler_view
*textures
[PIPE_MAX_SAMPLERS
];
44 unsigned num_textures
;
45 struct pipe_sampler_state
*samplers
[PIPE_MAX_SAMPLERS
];
46 unsigned num_samplers
;
47 unsigned dirty_samplers
;
50 struct fd_program_stateobj
{
53 FD_SHADER_DIRTY_VP
= (1 << 0),
54 FD_SHADER_DIRTY_FP
= (1 << 1),
57 /* Indexed by semantic name or TGSI_SEMANTIC_COUNT + semantic index
58 * for TGSI_SEMANTIC_GENERIC. Special vs exports (position and point-
59 * size) are not included in this
61 uint8_t export_linkage
[63];
64 struct fd_constbuf_stateobj
{
65 struct pipe_constant_buffer cb
[PIPE_MAX_CONSTANT_BUFFERS
];
66 uint32_t enabled_mask
;
70 struct fd_vertexbuf_stateobj
{
71 struct pipe_vertex_buffer vb
[PIPE_MAX_ATTRIBS
];
73 uint32_t enabled_mask
;
77 struct fd_vertex_stateobj
{
78 struct pipe_vertex_element pipe
[PIPE_MAX_ATTRIBS
];
79 unsigned num_elements
;
82 struct fd_gmem_stateobj
{
83 struct pipe_scissor_state scissor
;
86 uint16_t bin_h
, nbins_y
;
87 uint16_t bin_w
, nbins_x
;
88 uint16_t width
, height
;
92 struct pipe_context base
;
94 struct fd_screen
*screen
;
95 struct blitter_context
*blitter
;
97 struct util_slab_mempool transfer_pool
;
99 /* shaders used by clear, and gmem->mem blits: */
100 struct fd_program_stateobj solid_prog
; // TODO move to screen?
102 /* shaders used by mem->gmem blits: */
103 struct fd_program_stateobj blit_prog
; // TODO move to screen?
105 /* do we need to mem2gmem before rendering. We don't, if for example,
106 * there was a glClear() that invalidated the entire previous buffer
107 * contents. Keep track of which buffer(s) are cleared, or needs
108 * restore. Masks of PIPE_CLEAR_*
111 /* align bitmask values w/ PIPE_CLEAR_*.. since that is convenient.. */
112 FD_BUFFER_COLOR
= PIPE_CLEAR_COLOR
,
113 FD_BUFFER_DEPTH
= PIPE_CLEAR_DEPTH
,
114 FD_BUFFER_STENCIL
= PIPE_CLEAR_STENCIL
,
115 FD_BUFFER_ALL
= FD_BUFFER_COLOR
| FD_BUFFER_DEPTH
| FD_BUFFER_STENCIL
,
116 } cleared
, restore
, resolve
;
120 /* To decide whether to render to system memory, keep track of the
121 * number of draws, and whether any of them require multisample,
122 * depth_test (or depth write), stencil_test, blending, and
123 * color_logic_Op (since those functions are disabled when by-
127 FD_GMEM_CLEARS_DEPTH_STENCIL
= 0x01,
128 FD_GMEM_DEPTH_ENABLED
= 0x02,
129 FD_GMEM_STENCIL_ENABLED
= 0x04,
131 FD_GMEM_MSAA_ENABLED
= 0x08,
132 FD_GMEM_BLEND_ENABLED
= 0x10,
133 FD_GMEM_LOGICOP_ENABLED
= 0x20,
137 struct fd_ringbuffer
*ring
;
138 struct fd_ringmarker
*draw_start
, *draw_end
;
140 struct pipe_scissor_state scissor
;
142 /* we don't have a disable/enable bit for scissor, so instead we keep
143 * a disabled-scissor state which matches the entire bound framebuffer
144 * and use that when scissor is not enabled.
146 struct pipe_scissor_state disabled_scissor
;
148 /* Track the maximal bounds of the scissor of all the draws within a
149 * batch. Used at the tile rendering step (fd_gmem_render_tiles(),
150 * mem2gmem/gmem2mem) to avoid needlessly moving data in/out of gmem.
152 struct pipe_scissor_state max_scissor
;
154 /* Current gmem/tiling configuration.. gets updated on render_tiles()
155 * if out of date with current maximal-scissor/cpp:
157 struct fd_gmem_stateobj gmem
;
159 /* which state objects need to be re-emit'd: */
161 FD_DIRTY_BLEND
= (1 << 0),
162 FD_DIRTY_RASTERIZER
= (1 << 1),
163 FD_DIRTY_ZSA
= (1 << 2),
164 FD_DIRTY_FRAGTEX
= (1 << 3),
165 FD_DIRTY_VERTTEX
= (1 << 4),
166 FD_DIRTY_TEXSTATE
= (1 << 5),
167 FD_DIRTY_PROG
= (1 << 6),
168 FD_DIRTY_BLEND_COLOR
= (1 << 7),
169 FD_DIRTY_STENCIL_REF
= (1 << 8),
170 FD_DIRTY_SAMPLE_MASK
= (1 << 9),
171 FD_DIRTY_FRAMEBUFFER
= (1 << 10),
172 FD_DIRTY_STIPPLE
= (1 << 11),
173 FD_DIRTY_VIEWPORT
= (1 << 12),
174 FD_DIRTY_CONSTBUF
= (1 << 13),
175 FD_DIRTY_VTXSTATE
= (1 << 14),
176 FD_DIRTY_VTXBUF
= (1 << 15),
177 FD_DIRTY_INDEXBUF
= (1 << 16),
178 FD_DIRTY_SCISSOR
= (1 << 17),
181 struct pipe_blend_state
*blend
;
182 struct pipe_rasterizer_state
*rasterizer
;
183 struct pipe_depth_stencil_alpha_state
*zsa
;
185 struct fd_texture_stateobj verttex
, fragtex
;
187 struct fd_program_stateobj prog
;
189 struct fd_vertex_stateobj
*vtx
;
191 struct pipe_blend_color blend_color
;
192 struct pipe_stencil_ref stencil_ref
;
193 unsigned sample_mask
;
194 struct pipe_framebuffer_state framebuffer
;
195 struct pipe_poly_stipple stipple
;
196 struct pipe_viewport_state viewport
;
197 struct fd_constbuf_stateobj constbuf
[PIPE_SHADER_TYPES
];
198 struct fd_vertexbuf_stateobj vertexbuf
;
199 struct pipe_index_buffer indexbuf
;
201 /* GMEM/tile handling fxns: */
202 void (*emit_tile_init
)(struct fd_context
*ctx
);
203 void (*emit_tile_prep
)(struct fd_context
*ctx
, uint32_t xoff
, uint32_t yoff
,
204 uint32_t bin_w
, uint32_t bin_h
);
205 void (*emit_tile_mem2gmem
)(struct fd_context
*ctx
, uint32_t xoff
, uint32_t yoff
,
206 uint32_t bin_w
, uint32_t bin_h
);
207 void (*emit_tile_renderprep
)(struct fd_context
*ctx
, uint32_t xoff
, uint32_t yoff
,
208 uint32_t bin_w
, uint32_t bin_h
);
209 void (*emit_tile_gmem2mem
)(struct fd_context
*ctx
, uint32_t xoff
, uint32_t yoff
,
210 uint32_t bin_w
, uint32_t bin_h
);
212 /* optional, for GMEM bypass: */
213 void (*emit_sysmem_prep
)(struct fd_context
*ctx
);
216 void (*draw
)(struct fd_context
*pctx
, const struct pipe_draw_info
*info
);
217 void (*clear
)(struct fd_context
*ctx
, unsigned buffers
,
218 const union pipe_color_union
*color
, double depth
, unsigned stencil
);
221 static INLINE
struct fd_context
*
222 fd_context(struct pipe_context
*pctx
)
224 return (struct fd_context
*)pctx
;
227 static INLINE
struct pipe_scissor_state
*
228 fd_context_get_scissor(struct fd_context
*ctx
)
230 if (ctx
->rasterizer
&& ctx
->rasterizer
->scissor
)
231 return &ctx
->scissor
;
232 return &ctx
->disabled_scissor
;
235 struct pipe_context
* fd_context_init(struct fd_context
*ctx
,
236 struct pipe_screen
*pscreen
, void *priv
);
238 void fd_context_render(struct pipe_context
*pctx
);
240 void fd_context_destroy(struct pipe_context
*pctx
);
242 #endif /* FREEDRENO_CONTEXT_H_ */