1 /*
2 * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 * Rob Clark <robclark@freedesktop.org>
25 */
26
27
28 #include "fd2_context.h"
29 #include "fd2_blend.h"
30 #include "fd2_draw.h"
31 #include "fd2_emit.h"
32 #include "fd2_gmem.h"
33 #include "fd2_program.h"
34 #include "fd2_query.h"
35 #include "fd2_rasterizer.h"
36 #include "fd2_texture.h"
37 #include "fd2_zsa.h"
38
39 static void
fd2_context_destroy(struct pipe_context * pctx)40 fd2_context_destroy(struct pipe_context *pctx)
41 {
42 fd_context_destroy(pctx);
43 free(pctx);
44 }
45
46 static struct pipe_resource *
create_solid_vertexbuf(struct pipe_context * pctx)47 create_solid_vertexbuf(struct pipe_context *pctx)
48 {
49 static const float init_shader_const[] = {
50 /* for clear/gmem2mem/mem2gmem (vertices): */
51 -1.000000, +1.000000, +1.000000,
52 +1.000000, +1.000000, +1.000000,
53 -1.000000, -1.000000, +1.000000,
54 /* for mem2gmem: (tex coords) */
55 +0.000000, +0.000000,
56 +1.000000, +0.000000,
57 +0.000000, +1.000000,
58 /* SCREEN_SCISSOR_BR value (must be at 60 byte offset in page) */
59 0.0,
60 /* zero indices dummy draw workaround (3 16-bit zeros) */
61 0.0, 0.0,
62 };
63 struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
64 PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
65 pipe_buffer_write(pctx, prsc, 0,
66 sizeof(init_shader_const), init_shader_const);
67 return prsc;
68 }
69
70 static const uint8_t a22x_primtypes[PIPE_PRIM_MAX] = {
71 [PIPE_PRIM_POINTS] = DI_PT_POINTLIST_PSIZE,
72 [PIPE_PRIM_LINES] = DI_PT_LINELIST,
73 [PIPE_PRIM_LINE_STRIP] = DI_PT_LINESTRIP,
74 [PIPE_PRIM_LINE_LOOP] = DI_PT_LINELOOP,
75 [PIPE_PRIM_TRIANGLES] = DI_PT_TRILIST,
76 [PIPE_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP,
77 [PIPE_PRIM_TRIANGLE_FAN] = DI_PT_TRIFAN,
78 };
79
80 static const uint8_t a20x_primtypes[PIPE_PRIM_MAX] = {
81 [PIPE_PRIM_POINTS] = DI_PT_POINTLIST_PSIZE,
82 [PIPE_PRIM_LINES] = DI_PT_LINELIST,
83 [PIPE_PRIM_LINE_STRIP] = DI_PT_LINESTRIP,
84 [PIPE_PRIM_TRIANGLES] = DI_PT_TRILIST,
85 [PIPE_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP,
86 [PIPE_PRIM_TRIANGLE_FAN] = DI_PT_TRIFAN,
87 };
88
89 struct pipe_context *
fd2_context_create(struct pipe_screen * pscreen,void * priv,unsigned flags)90 fd2_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
91 {
92 struct fd_screen *screen = fd_screen(pscreen);
93 struct fd2_context *fd2_ctx = CALLOC_STRUCT(fd2_context);
94 struct pipe_context *pctx;
95
96 if (!fd2_ctx)
97 return NULL;
98
99 pctx = &fd2_ctx->base.base;
100 pctx->screen = pscreen;
101
102 fd2_ctx->base.dev = fd_device_ref(screen->dev);
103 fd2_ctx->base.screen = fd_screen(pscreen);
104
105 pctx->destroy = fd2_context_destroy;
106 pctx->create_blend_state = fd2_blend_state_create;
107 pctx->create_rasterizer_state = fd2_rasterizer_state_create;
108 pctx->create_depth_stencil_alpha_state = fd2_zsa_state_create;
109
110 fd2_draw_init(pctx);
111 fd2_gmem_init(pctx);
112 fd2_texture_init(pctx);
113 fd2_prog_init(pctx);
114 fd2_emit_init(pctx);
115
116 pctx = fd_context_init(&fd2_ctx->base, pscreen,
117 (screen->gpu_id >= 220) ? a22x_primtypes : a20x_primtypes,
118 priv, flags);
119 if (!pctx)
120 return NULL;
121
122 /* construct vertex state used for solid ops (clear, and gmem<->mem) */
123 fd2_ctx->solid_vertexbuf = create_solid_vertexbuf(pctx);
124
125 fd2_query_context_init(pctx);
126
127 return pctx;
128 }
129