summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/freedreno/a3xx/fd3_context.c
blob: f36cbd946a07989d030362d8dc90ea90e8b675bb (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
/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */

/*
 * Copyright (C) 2013 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>
 */


#include "fd3_context.h"
#include "fd3_blend.h"
#include "fd3_draw.h"
#include "fd3_emit.h"
#include "fd3_gmem.h"
#include "fd3_program.h"
#include "fd3_rasterizer.h"
#include "fd3_texture.h"
#include "fd3_zsa.h"

static void
fd3_context_destroy(struct pipe_context *pctx)
{
	struct fd3_context *fd3_ctx = fd3_context(fd_context(pctx));

	util_dynarray_fini(&fd3_ctx->rbrc_patches);

	fd_bo_del(fd3_ctx->vs_pvt_mem);
	fd_bo_del(fd3_ctx->fs_pvt_mem);
	fd_bo_del(fd3_ctx->vsc_size_mem);

	pipe_resource_reference(&fd3_ctx->solid_vbuf, NULL);
	pipe_resource_reference(&fd3_ctx->blit_texcoord_vbuf, NULL);

	fd_context_destroy(pctx);
}

/* TODO we could combine a few of these small buffers (solid_vbuf,
 * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
 * save a tiny bit of memory
 */

static struct pipe_resource *
create_solid_vertexbuf(struct pipe_context *pctx)
{
	static const float init_shader_const[] = {
			-1.000000, +1.000000, +1.000000,
			+1.000000, -1.000000, +1.000000,
	};
	struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
			PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
	pipe_buffer_write(pctx, prsc, 0,
			sizeof(init_shader_const), init_shader_const);
	return prsc;
}

static struct pipe_resource *
create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
{
	struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
			PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
	return prsc;
}

static const uint8_t primtypes[PIPE_PRIM_MAX] = {
		[PIPE_PRIM_POINTS]         = DI_PT_POINTLIST_A3XX,
		[PIPE_PRIM_LINES]          = DI_PT_LINELIST,
		[PIPE_PRIM_LINE_STRIP]     = DI_PT_LINESTRIP,
		[PIPE_PRIM_LINE_LOOP]      = DI_PT_LINELOOP,
		[PIPE_PRIM_TRIANGLES]      = DI_PT_TRILIST,
		[PIPE_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP,
		[PIPE_PRIM_TRIANGLE_FAN]   = DI_PT_TRIFAN,
};

struct pipe_context *
fd3_context_create(struct pipe_screen *pscreen, void *priv)
{
	struct fd_screen *screen = fd_screen(pscreen);
	struct fd3_context *fd3_ctx = CALLOC_STRUCT(fd3_context);
	struct pipe_context *pctx;

	if (!fd3_ctx)
		return NULL;

	pctx = &fd3_ctx->base.base;

	fd3_ctx->base.dev = fd_device_ref(screen->dev);
	fd3_ctx->base.screen = fd_screen(pscreen);

	pctx->destroy = fd3_context_destroy;
	pctx->create_blend_state = fd3_blend_state_create;
	pctx->create_rasterizer_state = fd3_rasterizer_state_create;
	pctx->create_depth_stencil_alpha_state = fd3_zsa_state_create;

	fd3_draw_init(pctx);
	fd3_gmem_init(pctx);
	fd3_texture_init(pctx);
	fd3_prog_init(pctx);

	pctx = fd_context_init(&fd3_ctx->base, pscreen, primtypes, priv);
	if (!pctx)
		return NULL;

	util_dynarray_init(&fd3_ctx->rbrc_patches);

	fd3_ctx->vs_pvt_mem = fd_bo_new(screen->dev, 0x2000,
			DRM_FREEDRENO_GEM_TYPE_KMEM);

	fd3_ctx->fs_pvt_mem = fd_bo_new(screen->dev, 0x2000,
			DRM_FREEDRENO_GEM_TYPE_KMEM);

	fd3_ctx->vsc_size_mem = fd_bo_new(screen->dev, 0x1000,
			DRM_FREEDRENO_GEM_TYPE_KMEM);

	fd3_ctx->solid_vbuf = create_solid_vertexbuf(pctx);
	fd3_ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);

	return pctx;
}