aboutsummaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/freedreno/freedreno_context.h
blob: a6133c0d8c3a872b7cfd24395bb22f83a43e7ecb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */

/*
 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Authors:
 *    Rob Clark <robclark@freedesktop.org>
 */

#ifndef FREEDRENO_CONTEXT_H_
#define FREEDRENO_CONTEXT_H_

#include "draw/draw_context.h"
#include "pipe/p_context.h"
#include "util/u_blitter.h"
#include "util/u_slab.h"
#include "util/u_string.h"

#include "freedreno_screen.h"

struct fd_vertex_stateobj;

struct fd_texture_stateobj {
	struct pipe_sampler_view *textures[PIPE_MAX_SAMPLERS];
	unsigned num_textures;
	struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
	unsigned num_samplers;
	unsigned dirty_samplers;
};

struct fd_program_stateobj {
	void *vp, *fp;
	enum {
		FD_SHADER_DIRTY_VP = (1 << 0),
		FD_SHADER_DIRTY_FP = (1 << 1),
	} dirty;
	uint8_t num_exports;
	/* Indexed by semantic name or TGSI_SEMANTIC_COUNT + semantic index
	 * for TGSI_SEMANTIC_GENERIC.  Special vs exports (position and point-
	 * size) are not included in this
	 */
	uint8_t export_linkage[63];
};

struct fd_constbuf_stateobj {
	struct pipe_constant_buffer cb[PIPE_MAX_CONSTANT_BUFFERS];
	uint32_t enabled_mask;
	uint32_t dirty_mask;
};

struct fd_vertexbuf_stateobj {
	struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
	unsigned count;
	uint32_t enabled_mask;
	uint32_t dirty_mask;
};

struct fd_vertex_stateobj {
	struct pipe_vertex_element pipe[PIPE_MAX_ATTRIBS];
	unsigned num_elements;
};

struct fd_gmem_stateobj {
	struct pipe_scissor_state scissor;
	uint cpp;
	uint16_t minx, miny;
	uint16_t bin_h, nbins_y;
	uint16_t bin_w, nbins_x;
	uint16_t width, height;
};

struct fd_context {
	struct pipe_context base;

	struct fd_screen *screen;
	struct blitter_context *blitter;

	struct util_slab_mempool transfer_pool;

	/* shaders used by clear, and gmem->mem blits: */
	struct fd_program_stateobj solid_prog; // TODO move to screen?

	/* shaders used by mem->gmem blits: */
	struct fd_program_stateobj blit_prog; // TODO move to screen?

	/* do we need to mem2gmem before rendering.  We don't, if for example,
	 * there was a glClear() that invalidated the entire previous buffer
	 * contents.  Keep track of which buffer(s) are cleared, or needs
	 * restore.  Masks of PIPE_CLEAR_*
	 */
	enum {
		/* align bitmask values w/ PIPE_CLEAR_*.. since that is convenient.. */
		FD_BUFFER_COLOR   = PIPE_CLEAR_COLOR,
		FD_BUFFER_DEPTH   = PIPE_CLEAR_DEPTH,
		FD_BUFFER_STENCIL = PIPE_CLEAR_STENCIL,
		FD_BUFFER_ALL     = FD_BUFFER_COLOR | FD_BUFFER_DEPTH | FD_BUFFER_STENCIL,
	} cleared, restore, resolve;

	bool needs_flush;

	struct fd_ringbuffer *ring;
	struct fd_ringmarker *draw_start, *draw_end;

	struct pipe_scissor_state scissor;

	/* Track the maximal bounds of the scissor of all the draws within a
	 * batch.  Used at the tile rendering step (fd_gmem_render_tiles(),
	 * mem2gmem/gmem2mem) to avoid needlessly moving data in/out of gmem.
	 */
	struct pipe_scissor_state max_scissor;

	/* Current gmem/tiling configuration.. gets updated on render_tiles()
	 * if out of date with current maximal-scissor/cpp:
	 */
	struct fd_gmem_stateobj gmem;

	/* which state objects need to be re-emit'd: */
	enum {
		FD_DIRTY_BLEND       = (1 <<  0),
		FD_DIRTY_RASTERIZER  = (1 <<  1),
		FD_DIRTY_ZSA         = (1 <<  2),
		FD_DIRTY_FRAGTEX     = (1 <<  3),
		FD_DIRTY_VERTTEX     = (1 <<  4),
		FD_DIRTY_TEXSTATE    = (1 <<  5),
		FD_DIRTY_PROG        = (1 <<  6),
		FD_DIRTY_BLEND_COLOR = (1 <<  7),
		FD_DIRTY_STENCIL_REF = (1 <<  8),
		FD_DIRTY_SAMPLE_MASK = (1 <<  9),
		FD_DIRTY_FRAMEBUFFER = (1 << 10),
		FD_DIRTY_STIPPLE     = (1 << 11),
		FD_DIRTY_VIEWPORT    = (1 << 12),
		FD_DIRTY_CONSTBUF    = (1 << 13),
		FD_DIRTY_VTXSTATE    = (1 << 14),
		FD_DIRTY_VTXBUF      = (1 << 15),
		FD_DIRTY_INDEXBUF    = (1 << 16),
		FD_DIRTY_SCISSOR     = (1 << 17),
	} dirty;

	struct pipe_blend_state *blend;
	struct pipe_rasterizer_state *rasterizer;
	struct pipe_depth_stencil_alpha_state *zsa;

	struct fd_texture_stateobj verttex, fragtex;

	struct fd_program_stateobj prog;

	struct fd_vertex_stateobj *vtx;

	struct pipe_blend_color blend_color;
	struct pipe_stencil_ref stencil_ref;
	unsigned sample_mask;
	struct pipe_framebuffer_state framebuffer;
	struct pipe_poly_stipple stipple;
	struct pipe_viewport_state viewport;
	struct fd_constbuf_stateobj constbuf[PIPE_SHADER_TYPES];
	struct fd_vertexbuf_stateobj vertexbuf;
	struct pipe_index_buffer indexbuf;

	/* GMEM/tile handling fxns: */
	void (*emit_tile_init)(struct fd_context *ctx);
	void (*emit_tile_prep)(struct fd_context *ctx, uint32_t xoff, uint32_t yoff,
			uint32_t bin_w, uint32_t bin_h);
	void (*emit_tile_mem2gmem)(struct fd_context *ctx, uint32_t xoff, uint32_t yoff,
			uint32_t bin_w, uint32_t bin_h);
	void (*emit_tile_renderprep)(struct fd_context *ctx, uint32_t xoff, uint32_t yoff,
			uint32_t bin_w, uint32_t bin_h);
	void (*emit_tile_gmem2mem)(struct fd_context *ctx, uint32_t xoff, uint32_t yoff,
			uint32_t bin_w, uint32_t bin_h);

	/* draw: */
	void (*draw)(struct fd_context *pctx, const struct pipe_draw_info *info);
	void (*clear)(struct fd_context *ctx, unsigned buffers,
			const union pipe_color_union *color, double depth, unsigned stencil);
};

static INLINE struct fd_context *
fd_context(struct pipe_context *pctx)
{
	return (struct fd_context *)pctx;
}

struct pipe_context * fd_context_init(struct fd_context *ctx,
		struct pipe_screen *pscreen, void *priv);

void fd_context_render(struct pipe_context *pctx);

void fd_context_destroy(struct pipe_context *pctx);

#endif /* FREEDRENO_CONTEXT_H_ */