2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
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
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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23 #ifndef R300_CONTEXT_H
24 #define R300_CONTEXT_H
26 #include "draw/draw_context.h"
27 #include "pipe/p_context.h"
28 #include "tgsi/tgsi_scan.h"
29 #include "util/u_memory.h"
31 #include "r300_clear.h"
32 #include "r300_screen.h"
33 #include "r300_winsys.h"
35 struct r300_blend_state {
36 uint32_t blend_control; /* R300_RB3D_CBLEND: 0x4e04 */
37 uint32_t alpha_blend_control; /* R300_RB3D_ABLEND: 0x4e08 */
38 uint32_t rop; /* R300_RB3D_ROPCNTL: 0x4e18 */
39 uint32_t dither; /* R300_RB3D_DITHER_CTL: 0x4e50 */
42 struct r300_blend_color_state {
43 /* RV515 and earlier */
44 uint32_t blend_color; /* R300_RB3D_BLEND_COLOR: 0x4e10 */
46 uint32_t blend_color_red_alpha; /* R500_RB3D_CONSTANT_COLOR_AR: 0x4ef8 */
47 uint32_t blend_color_green_blue; /* R500_RB3D_CONSTANT_COLOR_GB: 0x4efc */
50 struct r300_dsa_state {
51 uint32_t alpha_function; /* R300_FG_ALPHA_FUNC: 0x4bd4 */
52 uint32_t alpha_reference; /* R500_FG_ALPHA_VALUE: 0x4be0 */
53 uint32_t z_buffer_control; /* R300_ZB_CNTL: 0x4f00 */
54 uint32_t z_stencil_control; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
55 uint32_t stencil_ref_mask; /* R300_ZB_STENCILREFMASK: 0x4f08 */
56 uint32_t z_buffer_top; /* R300_ZB_ZTOP: 0x4f14 */
57 uint32_t stencil_ref_bf; /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
60 struct r300_rs_state {
61 uint32_t vap_control_status; /* R300_VAP_CNTL_STATUS: 0x2140 */
62 uint32_t point_size; /* R300_GA_POINT_SIZE: 0x421c */
63 uint32_t line_control; /* R300_GA_LINE_CNTL: 0x4234 */
64 uint32_t depth_scale_front; /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */
65 uint32_t depth_offset_front;/* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */
66 uint32_t depth_scale_back; /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */
67 uint32_t depth_offset_back; /* R300_SU_POLY_OFFSET_BACK_OFFSET: 0x42b0 */
68 uint32_t polygon_offset_enable; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
69 uint32_t cull_mode; /* R300_SU_CULL_MODE: 0x42b8 */
70 uint32_t line_stipple_config; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
71 uint32_t line_stipple_value; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
74 struct r300_sampler_state {
75 uint32_t filter0; /* R300_TX_FILTER0: 0x4400 */
76 uint32_t filter1; /* R300_TX_FILTER1: 0x4440 */
77 uint32_t border_color; /* R300_TX_BORDER_COLOR: 0x45c0 */
80 struct r300_scissor_state {
81 uint32_t scissor_top_left; /* R300_SC_SCISSORS_TL: 0x43e0 */
82 uint32_t scissor_bottom_right; /* R300_SC_SCISSORS_BR: 0x43e4 */
85 struct r300_texture_state {
88 #define R300_NEW_BLEND 0x000001
89 #define R300_NEW_BLEND_COLOR 0x000002
90 #define R300_NEW_DSA 0x000004
91 #define R300_NEW_FRAMEBUFFERS 0x000008
92 #define R300_NEW_FRAGMENT_SHADER 0x000010
93 #define R300_NEW_RASTERIZER 0x000020
94 #define R300_NEW_SAMPLER 0x000040
95 #define R300_NEW_SCISSOR 0x004000
96 #define R300_NEW_TEXTURE 0x008000
97 #define R300_NEW_VERTEX_SHADER 0x800000
98 #define R300_NEW_KITCHEN_SINK 0xffffff
100 /* The next several objects are not pure Radeon state; they inherit from
101 * various Gallium classes. */
103 struct r3xx_fragment_shader {
105 struct pipe_shader_state state;
106 struct tgsi_shader_info info;
108 /* Has this shader been translated yet? */
112 struct r300_fragment_shader {
114 struct r3xx_fragment_shader shader;
117 struct r500_fragment_shader {
119 struct r3xx_fragment_shader shader;
122 struct r300_texture {
124 struct pipe_texture tex;
126 /* Offsets into the buffer. */
127 unsigned offset[PIPE_MAX_TEXTURE_LEVELS];
129 /* Total size of this texture, in bytes. */
132 /* Pipe buffer backing this texture. */
133 struct pipe_buffer* buffer;
136 struct r300_context {
138 struct pipe_context context;
140 /* The interface to the windowing system, etc. */
141 struct r300_winsys* winsys;
142 /* Draw module. Used mostly for SW TCL. */
143 struct draw_context* draw;
145 /* Various CSO state objects. */
147 struct r300_blend_state* blend_state;
148 /* Blend color state. */
149 struct r300_blend_color_state* blend_color_state;
150 /* Depth, stencil, and alpha state. */
151 struct r300_dsa_state* dsa_state;
152 /* Fragment shader. */
153 struct r3xx_fragment_shader* fs;
154 /* Framebuffer state. We currently don't need our own version of this. */
155 struct pipe_framebuffer_state framebuffer_state;
156 /* Rasterizer state. */
157 struct r300_rs_state* rs_state;
158 /* Sampler states. */
159 struct r300_sampler_state* sampler_states[8];
162 struct r300_scissor_state* scissor_state;
163 /* Texture states. */
164 struct r300_texture* textures[8];
165 struct r300_texture_state* texture_states[8];
167 /* Bitmask of dirty state objects. */
168 uint32_t dirty_state;
169 /* Flag indicating whether or not the HW is dirty. */
173 /* Convenience cast wrapper. */
174 static struct r300_context* r300_context(struct pipe_context* context) {
175 return (struct r300_context*)context;
178 /* Context initialization. */
179 void r300_init_state_functions(struct r300_context* r300);
180 void r300_init_surface_functions(struct r300_context* r300);
182 struct pipe_context* r300_create_context(struct pipe_screen* screen,
183 struct pipe_winsys* winsys,
184 struct r300_winsys* r300_winsys);
186 #endif /* R300_CONTEXT_H */