ilo: construct SCISSOR_RECT in set_scissor_states()
[mesa.git] / src / gallium / drivers / ilo / ilo_gpe.h
1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 2013 LunarG, Inc.
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Chia-I Wu <olv@lunarg.com>
26 */
27
28 #ifndef ILO_GPE_H
29 #define ILO_GPE_H
30
31 #include "ilo_common.h"
32
33 /**
34 * \see brw_context.h
35 */
36 #define ILO_MAX_DRAW_BUFFERS 8
37 #define ILO_MAX_CONST_BUFFERS (1 + 12)
38 #define ILO_MAX_SAMPLER_VIEWS 16
39 #define ILO_MAX_SAMPLERS 16
40 #define ILO_MAX_SO_BINDINGS 64
41 #define ILO_MAX_SO_BUFFERS 4
42 #define ILO_MAX_VIEWPORTS 1
43
44 #define ILO_MAX_VS_SURFACES (ILO_MAX_CONST_BUFFERS + ILO_MAX_SAMPLER_VIEWS)
45 #define ILO_VS_CONST_SURFACE(i) (i)
46 #define ILO_VS_TEXTURE_SURFACE(i) (ILO_MAX_CONST_BUFFERS + i)
47
48 #define ILO_MAX_GS_SURFACES (ILO_MAX_SO_BINDINGS)
49 #define ILO_GS_SO_SURFACE(i) (i)
50
51 #define ILO_MAX_WM_SURFACES (ILO_MAX_DRAW_BUFFERS + ILO_MAX_CONST_BUFFERS + ILO_MAX_SAMPLER_VIEWS)
52 #define ILO_WM_DRAW_SURFACE(i) (i)
53 #define ILO_WM_CONST_SURFACE(i) (ILO_MAX_DRAW_BUFFERS + i)
54 #define ILO_WM_TEXTURE_SURFACE(i) (ILO_MAX_DRAW_BUFFERS + ILO_MAX_CONST_BUFFERS + i)
55
56 struct ilo_vb_state {
57 struct pipe_vertex_buffer states[PIPE_MAX_ATTRIBS];
58 uint32_t enabled_mask;
59 };
60
61 struct ilo_ib_state {
62 struct pipe_index_buffer state;
63 };
64
65 struct ilo_ve_state {
66 struct pipe_vertex_element states[PIPE_MAX_ATTRIBS];
67 unsigned count;
68 };
69
70 struct ilo_so_state {
71 struct pipe_stream_output_target *states[ILO_MAX_SO_BUFFERS];
72 unsigned count;
73 unsigned append_bitmask;
74
75 bool enabled;
76 };
77
78 struct ilo_viewport_cso {
79 /* matrix form */
80 float m00, m11, m22, m30, m31, m32;
81
82 /* guardband in NDC space */
83 float min_gbx, min_gby, max_gbx, max_gby;
84
85 /* viewport in screen space */
86 float min_x, min_y, min_z;
87 float max_x, max_y, max_z;
88 };
89
90 struct ilo_viewport_state {
91 struct ilo_viewport_cso cso[ILO_MAX_VIEWPORTS];
92 unsigned count;
93
94 struct pipe_viewport_state viewport0;
95 };
96
97 struct ilo_scissor_state {
98 /* SCISSOR_RECT */
99 uint32_t payload[ILO_MAX_VIEWPORTS * 2];
100 };
101
102 struct ilo_rasterizer_state {
103 struct pipe_rasterizer_state state;
104 };
105
106 struct ilo_dsa_state {
107 struct pipe_depth_stencil_alpha_state state;
108 };
109
110 struct ilo_blend_state {
111 struct pipe_blend_state state;
112 };
113
114 struct ilo_sampler_state {
115 struct pipe_sampler_state *states[ILO_MAX_SAMPLERS];
116 unsigned count;
117 };
118
119 struct ilo_view_state {
120 struct pipe_sampler_view *states[ILO_MAX_SAMPLER_VIEWS];
121 unsigned count;
122 };
123
124 struct ilo_cbuf_state {
125 struct pipe_constant_buffer states[ILO_MAX_CONST_BUFFERS];
126 unsigned count;
127 };
128
129 struct ilo_resource_state {
130 struct pipe_surface *states[PIPE_MAX_SHADER_RESOURCES];
131 unsigned count;
132 };
133
134 struct ilo_fb_state {
135 struct pipe_framebuffer_state state;
136
137 unsigned num_samples;
138 };
139
140 struct ilo_global_binding {
141 /*
142 * XXX These should not be treated as real resources (and there could be
143 * thousands of them). They should be treated as regions in GLOBAL
144 * resource, which is the only real resource.
145 *
146 * That is, a resource here should instead be
147 *
148 * struct ilo_global_region {
149 * struct pipe_resource base;
150 * int offset;
151 * int size;
152 * };
153 *
154 * and it describes the region [offset, offset + size) in GLOBAL
155 * resource.
156 */
157 struct pipe_resource *resources[PIPE_MAX_SHADER_RESOURCES];
158 uint32_t *handles[PIPE_MAX_SHADER_RESOURCES];
159 unsigned count;
160 };
161
162 void
163 ilo_gpe_set_viewport_cso(const struct ilo_dev_info *dev,
164 const struct pipe_viewport_state *state,
165 struct ilo_viewport_cso *vp);
166
167 void
168 ilo_gpe_set_scissor(const struct ilo_dev_info *dev,
169 unsigned start_slot,
170 unsigned num_states,
171 const struct pipe_scissor_state *states,
172 struct ilo_scissor_state *scissor);
173
174 void
175 ilo_gpe_set_scissor_null(const struct ilo_dev_info *dev,
176 struct ilo_scissor_state *scissor);
177
178 #endif /* ILO_GPE_H */