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;