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 /* r300_emit: Functions for emitting state. */
25 #include "r300_emit.h"
27 void r300_emit_blend_state(struct r300_context
* r300
,
28 struct r300_blend_state
* blend
)
32 OUT_CS_REG_SEQ(R300_RB3D_CBLEND
, 2);
33 OUT_CS(blend
->blend_control
);
34 OUT_CS(blend
->alpha_blend_control
);
35 OUT_CS_REG(R300_RB3D_ROPCNTL
, blend
->rop
);
36 OUT_CS_REG(R300_RB3D_DITHER_CTL
, blend
->dither
);
40 void r300_emit_blend_color_state(struct r300_context
* r300
,
41 struct r300_blend_color_state
* bc
)
43 struct r300_screen
* r300screen
=
44 (struct r300_screen
*)r300
->context
.screen
;
46 if (r300screen
->caps
->is_r500
) {
48 OUT_CS_REG_SEQ(R500_RB3D_CONSTANT_COLOR_AR
, 2);
49 OUT_CS(bc
->blend_color_red_alpha
);
50 OUT_CS(bc
->blend_color_green_blue
);
54 OUT_CS_REG(R300_RB3D_BLEND_COLOR
, bc
->blend_color
);
59 void r300_emit_dsa_state(struct r300_context
* r300
,
60 struct r300_dsa_state
* dsa
)
62 struct r300_screen
* r300screen
=
63 (struct r300_screen
*)r300
->context
.screen
;
65 BEGIN_CS(r300screen
->caps
->is_r500
? 8 : 8);
66 OUT_CS_REG(R300_FG_ALPHA_FUNC
, dsa
->alpha_function
);
67 /* XXX figure out the r300 counterpart for this */
68 if (r300screen
->caps
->is_r500
) {
69 /* OUT_CS_REG(R500_FG_ALPHA_VALUE, dsa->alpha_reference); */
71 OUT_CS_REG_SEQ(R300_ZB_CNTL
, 3);
72 OUT_CS(dsa
->z_buffer_control
);
73 OUT_CS(dsa
->z_stencil_control
);
74 OUT_CS(dsa
->stencil_ref_mask
);
75 OUT_CS_REG(R300_ZB_ZTOP
, dsa
->z_buffer_top
);
76 if (r300screen
->caps
->is_r500
) {
77 /* OUT_CS_REG(R500_ZB_STENCILREFMASK_BF, dsa->stencil_ref_bf); */
82 /* XXX add pitch, stride, z/stencil buf */
83 void r300_emit_fb_state(struct r300_context
* r300
,
84 struct pipe_framebuffer_state
* fb
)
87 struct r300_texture
* tex
;
90 BEGIN_CS((3 * fb
->nr_cbufs
) + 6);
91 for (i
= 0; i
< fb
->nr_cbufs
; i
++) {
92 tex
= (struct r300_texture
*)fb
->cbufs
[i
]->texture
;
93 OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0
+ (4 * i
), 1);
94 OUT_CS_RELOC(tex
->buffer
, 0, 0, RADEON_GEM_DOMAIN_VRAM
, 0);
100 void r300_emit_rs_state(struct r300_context
* r300
, struct r300_rs_state
* rs
)
102 struct r300_screen
* r300screen
=
103 (struct r300_screen
*)r300
->context
.screen
;
106 OUT_CS_REG(R300_VAP_CNTL_STATUS
, rs
->vap_control_status
);
107 OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE
, 6);
108 OUT_CS(rs
->depth_scale_front
);
109 OUT_CS(rs
->depth_offset_front
);
110 OUT_CS(rs
->depth_scale_back
);
111 OUT_CS(rs
->depth_offset_back
);
112 OUT_CS(rs
->polygon_offset_enable
);
113 OUT_CS(rs
->cull_mode
);
114 OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG
, rs
->line_stipple_config
);
115 OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE
, rs
->line_stipple_value
);
119 static void r300_emit_dirty_state(struct r300_context
* r300
)
121 struct r300_screen
* r300screen
=
122 (struct r300_screen
*)r300
->context
.screen
;
125 if (!(r300
->dirty_state
) && !(r300
->dirty_hw
)) {
131 if (r300
->dirty_state
& R300_NEW_BLEND
) {
132 r300_emit_blend_state(r300
, r300
->blend_state
);
135 if (r300
->dirty_state
& R300_NEW_BLEND_COLOR
) {
136 r300_emit_blend_color_state(r300
, r300
->blend_color_state
);
139 if (r300
->dirty_state
& R300_NEW_DSA
) {
140 r300_emit_dsa_state(r300
, r300
->dsa_state
);
143 if (r300
->dirty_state
& R300_NEW_RASTERIZER
) {
144 r300_emit_rs_state(r300
, r300
->rs_state
);
147 if (r300
->dirty_state
& R300_NEW_SCISSOR
) {
148 struct r300_scissor_state
* scissor
= r300
->scissor_state
;
149 /* XXX next two are contiguous regs */
150 OUT_CS_REG(R300_SC_SCISSORS_TL
, scissor
->scissor_top_left
);
151 OUT_CS_REG(R300_SC_SCISSORS_BR
, scissor
->scissor_bottom_right
);
154 r300
->dirty_state
= 0;