2 * Copyright 2012 Red Hat Inc.
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 #include "pipe/p_defines.h"
27 #include "util/u_pack_color.h"
29 #include "nouveau_gldefs.h"
30 #include "nv_object.xml.h"
31 #include "nv30/nv30-40_3d.xml.h"
32 #include "nv30/nv30_context.h"
33 #include "nv30/nv30_format.h"
35 static inline uint32_t
36 pack_rgba(enum pipe_format format, const float *rgba)
39 util_pack_color(rgba, format, &uc);
43 static inline uint32_t
44 pack_zeta(enum pipe_format format, double depth, unsigned stencil)
46 uint32_t zuint = (uint32_t)(depth * 4294967295.0);
47 if (format != PIPE_FORMAT_Z16_UNORM)
48 return (zuint & 0xffffff00) | (stencil & 0xff);
53 nv30_clear(struct pipe_context *pipe, unsigned buffers,
54 const union pipe_color_union *color, double depth, unsigned stencil)
56 struct nv30_context *nv30 = nv30_context(pipe);
57 struct nouveau_pushbuf *push = nv30->base.pushbuf;
58 struct pipe_framebuffer_state *fb = &nv30->framebuffer;
59 uint32_t colr = 0, zeta = 0, mode = 0;
61 pipe_mutex_lock(nv30->screen->base.push_mutex);
62 if (!nv30_state_validate(nv30, NV30_NEW_FRAMEBUFFER | NV30_NEW_SCISSOR, true)) {
63 pipe_mutex_unlock(nv30->screen->base.push_mutex);
67 if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
68 colr = pack_rgba(fb->cbufs[0]->format, color->f);
69 mode |= NV30_3D_CLEAR_BUFFERS_COLOR_R |
70 NV30_3D_CLEAR_BUFFERS_COLOR_G |
71 NV30_3D_CLEAR_BUFFERS_COLOR_B |
72 NV30_3D_CLEAR_BUFFERS_COLOR_A;
76 zeta = pack_zeta(fb->zsbuf->format, depth, stencil);
77 if (buffers & PIPE_CLEAR_DEPTH)
78 mode |= NV30_3D_CLEAR_BUFFERS_DEPTH;
79 if (buffers & PIPE_CLEAR_STENCIL) {
80 mode |= NV30_3D_CLEAR_BUFFERS_STENCIL;
81 BEGIN_NV04(push, NV30_3D(STENCIL_ENABLE(0)), 2);
83 PUSH_DATA (push, 0x000000ff);
84 nv30->dirty |= NV30_NEW_ZSA;
88 /*XXX: wtf? fixes clears sometimes not clearing on nv3x... */
89 if (nv30->screen->eng3d->oclass < NV40_3D_CLASS) {
90 BEGIN_NV04(push, NV30_3D(CLEAR_DEPTH_VALUE), 3);
91 PUSH_DATA (push, zeta);
92 PUSH_DATA (push, colr);
93 PUSH_DATA (push, mode);
96 BEGIN_NV04(push, NV30_3D(CLEAR_DEPTH_VALUE), 3);
97 PUSH_DATA (push, zeta);
98 PUSH_DATA (push, colr);
99 PUSH_DATA (push, mode);
101 nv30_state_release(nv30);
102 pipe_mutex_unlock(nv30->screen->base.push_mutex);
106 nv30_clear_render_target(struct pipe_context *pipe, struct pipe_surface *ps,
107 const union pipe_color_union *color,
108 unsigned x, unsigned y, unsigned w, unsigned h,
109 bool render_condition_enabled)
111 struct nv30_context *nv30 = nv30_context(pipe);
112 struct nv30_surface *sf = nv30_surface(ps);
113 struct nv30_miptree *mt = nv30_miptree(ps->texture);
114 struct nouveau_pushbuf *push = nv30->base.pushbuf;
115 struct nouveau_object *eng3d = nv30->screen->eng3d;
116 struct nouveau_pushbuf_refn refn;
119 rt_format = nv30_format(pipe->screen, ps->format)->hw;
120 if (util_format_get_blocksize(ps->format) == 4)
121 rt_format |= NV30_3D_RT_FORMAT_ZETA_Z24S8;
123 rt_format |= NV30_3D_RT_FORMAT_ZETA_Z16;
125 if (nv30_miptree(ps->texture)->swizzled) {
126 rt_format |= NV30_3D_RT_FORMAT_TYPE_SWIZZLED;
127 rt_format |= util_logbase2(sf->width) << 16;
128 rt_format |= util_logbase2(sf->height) << 24;
130 rt_format |= NV30_3D_RT_FORMAT_TYPE_LINEAR;
133 pipe_mutex_lock(nv30->screen->base.push_mutex);
135 refn.bo = mt->base.bo;
136 refn.flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_WR;
137 if (nouveau_pushbuf_space(push, 32, 1, 0) ||
138 nouveau_pushbuf_refn (push, &refn, 1)) {
139 pipe_mutex_unlock(nv30->screen->base.push_mutex);
143 BEGIN_NV04(push, NV30_3D(RT_ENABLE), 1);
144 PUSH_DATA (push, NV30_3D_RT_ENABLE_COLOR0);
145 BEGIN_NV04(push, NV30_3D(RT_HORIZ), 3);
146 PUSH_DATA (push, sf->width << 16);
147 PUSH_DATA (push, sf->height << 16);
148 PUSH_DATA (push, rt_format);
149 BEGIN_NV04(push, NV30_3D(COLOR0_PITCH), 2);
150 if (eng3d->oclass < NV40_3D_CLASS)
151 PUSH_DATA (push, (sf->pitch << 16) | sf->pitch);
153 PUSH_DATA (push, sf->pitch);
154 PUSH_RELOC(push, mt->base.bo, sf->offset, NOUVEAU_BO_LOW, 0, 0);
155 BEGIN_NV04(push, NV30_3D(SCISSOR_HORIZ), 2);
156 PUSH_DATA (push, (w << 16) | x);
157 PUSH_DATA (push, (h << 16) | y);
159 BEGIN_NV04(push, NV30_3D(CLEAR_COLOR_VALUE), 2);
160 PUSH_DATA (push, pack_rgba(ps->format, color->f));
161 PUSH_DATA (push, NV30_3D_CLEAR_BUFFERS_COLOR_R |
162 NV30_3D_CLEAR_BUFFERS_COLOR_G |
163 NV30_3D_CLEAR_BUFFERS_COLOR_B |
164 NV30_3D_CLEAR_BUFFERS_COLOR_A);
166 pipe_mutex_unlock(nv30->screen->base.push_mutex);
168 nv30->dirty |= NV30_NEW_FRAMEBUFFER | NV30_NEW_SCISSOR;
172 nv30_clear_depth_stencil(struct pipe_context *pipe, struct pipe_surface *ps,
173 unsigned buffers, double depth, unsigned stencil,
174 unsigned x, unsigned y, unsigned w, unsigned h,
175 bool render_condition_enabled)
177 struct nv30_context *nv30 = nv30_context(pipe);
178 struct nv30_surface *sf = nv30_surface(ps);
179 struct nv30_miptree *mt = nv30_miptree(ps->texture);
180 struct nouveau_pushbuf *push = nv30->base.pushbuf;
181 struct nouveau_object *eng3d = nv30->screen->eng3d;
182 struct nouveau_pushbuf_refn refn;
183 uint32_t rt_format, mode = 0;
185 rt_format = nv30_format(pipe->screen, ps->format)->hw;
186 if (util_format_get_blocksize(ps->format) == 4)
187 rt_format |= NV30_3D_RT_FORMAT_COLOR_A8R8G8B8;
189 rt_format |= NV30_3D_RT_FORMAT_COLOR_R5G6B5;
191 if (nv30_miptree(ps->texture)->swizzled) {
192 rt_format |= NV30_3D_RT_FORMAT_TYPE_SWIZZLED;
193 rt_format |= util_logbase2(sf->width) << 16;
194 rt_format |= util_logbase2(sf->height) << 24;
196 rt_format |= NV30_3D_RT_FORMAT_TYPE_LINEAR;
199 if (buffers & PIPE_CLEAR_DEPTH)
200 mode |= NV30_3D_CLEAR_BUFFERS_DEPTH;
201 if (buffers & PIPE_CLEAR_STENCIL)
202 mode |= NV30_3D_CLEAR_BUFFERS_STENCIL;
204 pipe_mutex_lock(nv30->screen->base.push_mutex);
206 refn.bo = mt->base.bo;
207 refn.flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_WR;
208 if (nouveau_pushbuf_space(push, 32, 1, 0) ||
209 nouveau_pushbuf_refn (push, &refn, 1)) {
210 pipe_mutex_unlock(nv30->screen->base.push_mutex);
214 BEGIN_NV04(push, NV30_3D(RT_ENABLE), 1);
216 BEGIN_NV04(push, NV30_3D(RT_HORIZ), 3);
217 PUSH_DATA (push, sf->width << 16);
218 PUSH_DATA (push, sf->height << 16);
219 PUSH_DATA (push, rt_format);
220 if (eng3d->oclass < NV40_3D_CLASS) {
221 BEGIN_NV04(push, NV30_3D(COLOR0_PITCH), 1);
222 PUSH_DATA (push, (sf->pitch << 16) | sf->pitch);
224 BEGIN_NV04(push, NV40_3D(ZETA_PITCH), 1);
225 PUSH_DATA (push, sf->pitch);
227 BEGIN_NV04(push, NV30_3D(ZETA_OFFSET), 1);
228 PUSH_RELOC(push, mt->base.bo, sf->offset, NOUVEAU_BO_LOW, 0, 0);
229 BEGIN_NV04(push, NV30_3D(SCISSOR_HORIZ), 2);
230 PUSH_DATA (push, (w << 16) | x);
231 PUSH_DATA (push, (h << 16) | y);
233 BEGIN_NV04(push, NV30_3D(CLEAR_DEPTH_VALUE), 1);
234 PUSH_DATA (push, pack_zeta(ps->format, depth, stencil));
235 BEGIN_NV04(push, NV30_3D(CLEAR_BUFFERS), 1);
236 PUSH_DATA (push, mode);
238 pipe_mutex_unlock(nv30->screen->base.push_mutex);
240 nv30->dirty |= NV30_NEW_FRAMEBUFFER | NV30_NEW_SCISSOR;
244 nv30_clear_init(struct pipe_context *pipe)
246 pipe->clear = nv30_clear;
247 pipe->clear_render_target = nv30_clear_render_target;
248 pipe->clear_depth_stencil = nv30_clear_depth_stencil;