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 "draw/draw_vertex.h"
28 #include "pipe/p_context.h"
29 #include "tgsi/tgsi_scan.h"
30 #include "util/u_memory.h"
32 #include "r300_clear.h"
33 #include "r300_screen.h"
34 #include "r300_winsys.h"
36 struct r300_blend_state {
37 uint32_t blend_control; /* R300_RB3D_CBLEND: 0x4e04 */
38 uint32_t alpha_blend_control; /* R300_RB3D_ABLEND: 0x4e08 */
39 uint32_t rop; /* R300_RB3D_ROPCNTL: 0x4e18 */
40 uint32_t dither; /* R300_RB3D_DITHER_CTL: 0x4e50 */
43 struct r300_blend_color_state {
44 /* RV515 and earlier */
45 uint32_t blend_color; /* R300_RB3D_BLEND_COLOR: 0x4e10 */
47 uint32_t blend_color_red_alpha; /* R500_RB3D_CONSTANT_COLOR_AR: 0x4ef8 */
48 uint32_t blend_color_green_blue; /* R500_RB3D_CONSTANT_COLOR_GB: 0x4efc */
51 struct r300_dsa_state {
52 uint32_t alpha_function; /* R300_FG_ALPHA_FUNC: 0x4bd4 */
53 uint32_t alpha_reference; /* R500_FG_ALPHA_VALUE: 0x4be0 */
54 uint32_t z_buffer_control; /* R300_ZB_CNTL: 0x4f00 */
55 uint32_t z_stencil_control; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
56 uint32_t stencil_ref_mask; /* R300_ZB_STENCILREFMASK: 0x4f08 */
57 uint32_t z_buffer_top; /* R300_ZB_ZTOP: 0x4f14 */
58 uint32_t stencil_ref_bf; /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
61 struct r300_rs_state {
62 uint32_t vap_control_status; /* R300_VAP_CNTL_STATUS: 0x2140 */
63 uint32_t point_size; /* R300_GA_POINT_SIZE: 0x421c */
64 uint32_t line_control; /* R300_GA_LINE_CNTL: 0x4234 */
65 uint32_t depth_scale_front; /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */
66 uint32_t depth_offset_front;/* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */
67 uint32_t depth_scale_back; /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */
68 uint32_t depth_offset_back; /* R300_SU_POLY_OFFSET_BACK_OFFSET: 0x42b0 */
69 uint32_t polygon_offset_enable; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
70 uint32_t cull_mode; /* R300_SU_CULL_MODE: 0x42b8 */
71 uint32_t line_stipple_config; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
72 uint32_t line_stipple_value; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
75 struct r300_sampler_state {
76 uint32_t filter0; /* R300_TX_FILTER0: 0x4400 */
77 uint32_t filter1; /* R300_TX_FILTER1: 0x4440 */
78 uint32_t border_color; /* R300_TX_BORDER_COLOR: 0x45c0 */
81 struct r300_scissor_state {
82 uint32_t scissor_top_left; /* R300_SC_SCISSORS_TL: 0x43e0 */
83 uint32_t scissor_bottom_right; /* R300_SC_SCISSORS_BR: 0x43e4 */
86 struct r300_texture_state {
89 #define R300_NEW_BLEND 0x0000001
90 #define R300_NEW_BLEND_COLOR 0x0000002
91 #define R300_NEW_DSA 0x0000004
92 #define R300_NEW_FRAMEBUFFERS 0x0000008
93 #define R300_NEW_FRAGMENT_SHADER 0x0000010
94 #define R300_NEW_RASTERIZER 0x0000020
95 #define R300_NEW_SAMPLER 0x0000040
96 #define R300_NEW_SCISSOR 0x0004000
97 #define R300_NEW_TEXTURE 0x0008000
98 #define R300_NEW_VERTEX_FORMAT 0x0800000
99 #define R300_NEW_VERTEX_SHADER 0x1000000
100 #define R300_NEW_KITCHEN_SINK 0x1ffffff
102 /* The next several objects are not pure Radeon state; they inherit from
103 * various Gallium classes. */
105 struct r3xx_fragment_shader {
107 struct pipe_shader_state state;
108 struct tgsi_shader_info info;
110 /* Has this shader been translated yet? */
113 /* Pixel stack size */
117 struct r300_fragment_shader {
119 struct r3xx_fragment_shader shader;
121 /* Number of ALU instructions */
122 int alu_instruction_count;
124 /* Number of texture instructions */
125 int tex_instruction_count;
127 /* Number of texture indirections */
130 /* Indirection node offsets */
136 /* Machine instructions */
138 uint32_t alu_rgb_inst;
139 uint32_t alu_rgb_addr;
140 uint32_t alu_alpha_inst;
141 uint32_t alu_alpha_addr;
142 } instructions[64]; /* XXX magic num */
145 struct r500_fragment_shader {
147 struct r3xx_fragment_shader shader;
149 /* Number of used instructions */
150 int instruction_count;
152 /* Machine instructions */
160 } instructions[256]; /*< XXX magic number */
163 struct r300_texture {
165 struct pipe_texture tex;
167 /* Offsets into the buffer. */
168 unsigned offset[PIPE_MAX_TEXTURE_LEVELS];
170 /* Total size of this texture, in bytes. */
173 /* Pipe buffer backing this texture. */
174 struct pipe_buffer* buffer;
177 struct r300_context {
179 struct pipe_context context;
181 /* The interface to the windowing system, etc. */
182 struct r300_winsys* winsys;
183 /* Draw module. Used mostly for SW TCL. */
184 struct draw_context* draw;
186 /* Various CSO state objects. */
188 struct r300_blend_state* blend_state;
189 /* Blend color state. */
190 struct r300_blend_color_state* blend_color_state;
191 /* Depth, stencil, and alpha state. */
192 struct r300_dsa_state* dsa_state;
193 /* Fragment shader. */
194 struct r3xx_fragment_shader* fs;
195 /* Framebuffer state. We currently don't need our own version of this. */
196 struct pipe_framebuffer_state framebuffer_state;
197 /* Rasterizer state. */
198 struct r300_rs_state* rs_state;
199 /* Sampler states. */
200 struct r300_sampler_state* sampler_states[8];
203 struct r300_scissor_state* scissor_state;
204 /* Texture states. */
205 struct r300_texture* textures[8];
206 struct r300_texture_state* texture_states[8];
208 /* Vertex information. */
209 struct vertex_info vertex_info;
210 /* Bitmask of dirty state objects. */
211 uint32_t dirty_state;
212 /* Flag indicating whether or not the HW is dirty. */
216 /* Convenience cast wrapper. */
217 static struct r300_context* r300_context(struct pipe_context* context) {
218 return (struct r300_context*)context;
221 /* Context initialization. */
222 void r300_init_state_functions(struct r300_context* r300);
223 void r300_init_surface_functions(struct r300_context* r300);
225 /* Fun with includes: r300_winsys also declares this prototype.
226 * We'll just step out in that case... */
227 #ifndef R300_WINSYS_H
228 struct pipe_context* r300_create_context(struct pipe_screen* screen,
229 struct pipe_winsys* winsys,
230 struct r300_winsys* r300_winsys);
233 #endif /* R300_CONTEXT_H */