1 /* 2 * Copyright (C) 2009 Francisco Jerez. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #include "nouveau_driver.h" 28 #include "nouveau_context.h" 29 #include "nouveau_fbo.h" 30 #include "nouveau_util.h" 31 #include "nv_object.xml.h" 32 #include "nv10_3d.xml.h" 33 #include "nv10_driver.h" 34 35 static inline unsigned 36 get_rt_format(gl_format format) 37 { 38 switch (format) { 39 case MESA_FORMAT_XRGB8888: 40 return NV10_3D_RT_FORMAT_COLOR_X8R8G8B8; 41 case MESA_FORMAT_ARGB8888: 42 return NV10_3D_RT_FORMAT_COLOR_A8R8G8B8; 43 case MESA_FORMAT_RGB565: 44 return NV10_3D_RT_FORMAT_COLOR_R5G6B5; 45 case MESA_FORMAT_Z16: 46 return NV10_3D_RT_FORMAT_DEPTH_Z16; 47 case MESA_FORMAT_Z24_S8: 48 return NV10_3D_RT_FORMAT_DEPTH_Z24S8; 49 default: 50 assert(0); 51 } 52 } 53 54 static void 55 setup_hierz_buffer(struct gl_context *ctx) 56 { 57 struct nouveau_pushbuf *push = context_push(ctx); 58 struct gl_framebuffer *fb = ctx->DrawBuffer; 59 struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb); 60 unsigned pitch = align(fb->Width, 128), 61 height = align(fb->Height, 2), 62 size = pitch * height; 63 64 if (!nfb->hierz.bo || nfb->hierz.bo->size != size) { 65 union nouveau_bo_config config = { 66 .nv04.surf_flags = NV04_BO_ZETA, 67 .nv04.surf_pitch = 0 68 }; 69 70 nouveau_bo_ref(NULL, &nfb->hierz.bo); 71 nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size, 72 &config, &nfb->hierz.bo); 73 } 74 75 PUSH_SPACE(push, 11); 76 BEGIN_NV04(push, NV17_3D(HIERZ_OFFSET), 1); 77 PUSH_MTHDl(push, NV17_3D(HIERZ_OFFSET), BUFCTX_FB, 78 nfb->hierz.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR); 79 BEGIN_NV04(push, NV17_3D(HIERZ_WINDOW_X), 4); 80 PUSH_DATAf(push, - 1792); 81 PUSH_DATAf(push, - 2304 + fb->Height); 82 PUSH_DATAf(push, fb->_DepthMaxF / 2); 83 PUSH_DATAf(push, 0); 84 85 BEGIN_NV04(push, NV17_3D(HIERZ_PITCH), 1); 86 PUSH_DATA (push, pitch); 87 88 BEGIN_NV04(push, NV17_3D(HIERZ_ENABLE), 1); 89 PUSH_DATA (push, 1); 90 } 91 92 void 93 nv10_emit_framebuffer(struct gl_context *ctx, int emit) 94 { 95 struct nouveau_pushbuf *push = context_push(ctx); 96 struct gl_framebuffer *fb = ctx->DrawBuffer; 97 struct nouveau_surface *s; 98 unsigned rt_format = NV10_3D_RT_FORMAT_TYPE_LINEAR; 99 unsigned rt_pitch = 0, zeta_pitch = 0; 100 unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR; 101 102 if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) 103 return; 104 105 PUSH_RESET(push, BUFCTX_FB); 106 107 /* At least nv11 seems to get sad if we don't do this before 108 * swapping RTs.*/ 109 if (context_chipset(ctx) < 0x17) { 110 int i; 111 112 for (i = 0; i < 6; i++) { 113 BEGIN_NV04(push, NV04_GRAPH(3D, NOP), 1); 114 PUSH_DATA (push, 0); 115 } 116 } 117 118 /* Render target */ 119 if (fb->_ColorDrawBuffers[0]) { 120 s = &to_nouveau_renderbuffer( 121 fb->_ColorDrawBuffers[0])->surface; 122 123 rt_format |= get_rt_format(s->format); 124 zeta_pitch = rt_pitch = s->pitch; 125 126 BEGIN_NV04(push, NV10_3D(COLOR_OFFSET), 1); 127 PUSH_MTHDl(push, NV10_3D(COLOR_OFFSET), BUFCTX_FB, 128 s->bo, 0, bo_flags); 129 } 130 131 /* depth/stencil */ 132 if (fb->Attachment[BUFFER_DEPTH].Renderbuffer) { 133 s = &to_nouveau_renderbuffer( 134 fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface; 135 136 rt_format |= get_rt_format(s->format); 137 zeta_pitch = s->pitch; 138 139 BEGIN_NV04(push, NV10_3D(ZETA_OFFSET), 1); 140 PUSH_MTHDl(push, NV10_3D(ZETA_OFFSET), BUFCTX_FB, 141 s->bo, 0, bo_flags); 142 143 if (context_chipset(ctx) >= 0x17) { 144 setup_hierz_buffer(ctx); 145 context_dirty(ctx, ZCLEAR); 146 } 147 } 148 149 BEGIN_NV04(push, NV10_3D(RT_FORMAT), 2); 150 PUSH_DATA (push, rt_format); 151 PUSH_DATA (push, zeta_pitch << 16 | rt_pitch); 152 153 context_dirty(ctx, VIEWPORT); 154 context_dirty(ctx, SCISSOR); 155 } 156 157 void 158 nv10_emit_render_mode(struct gl_context *ctx, int emit) 159 { 160 } 161 162 void 163 nv10_emit_scissor(struct gl_context *ctx, int emit) 164 { 165 struct nouveau_pushbuf *push = context_push(ctx); 166 int x, y, w, h; 167 168 get_scissors(ctx->DrawBuffer, &x, &y, &w, &h); 169 170 BEGIN_NV04(push, NV10_3D(RT_HORIZ), 2); 171 PUSH_DATA (push, w << 16 | x); 172 PUSH_DATA (push, h << 16 | y); 173 } 174 175 void 176 nv10_emit_viewport(struct gl_context *ctx, int emit) 177 { 178 struct nouveau_pushbuf *push = context_push(ctx); 179 struct gl_viewport_attrib *vp = &ctx->Viewport; 180 struct gl_framebuffer *fb = ctx->DrawBuffer; 181 float a[4] = {}; 182 183 get_viewport_translate(ctx, a); 184 a[0] -= 2048; 185 a[1] -= 2048; 186 if (nv10_use_viewport_zclear(ctx)) 187 a[2] = nv10_transform_depth(ctx, (vp->Far + vp->Near) / 2); 188 189 BEGIN_NV04(push, NV10_3D(VIEWPORT_TRANSLATE_X), 4); 190 PUSH_DATAp(push, a, 4); 191 192 BEGIN_NV04(push, NV10_3D(VIEWPORT_CLIP_HORIZ(0)), 1); 193 PUSH_DATA (push, (fb->Width - 1) << 16 | 0x08000800); 194 BEGIN_NV04(push, NV10_3D(VIEWPORT_CLIP_VERT(0)), 1); 195 PUSH_DATA (push, (fb->Height - 1) << 16 | 0x08000800); 196 197 context_dirty(ctx, PROJECTION); 198 } 199 200 void 201 nv10_emit_zclear(struct gl_context *ctx, int emit) 202 { 203 struct nouveau_context *nctx = to_nouveau_context(ctx); 204 struct nouveau_pushbuf *push = context_push(ctx); 205 struct nouveau_framebuffer *nfb = 206 to_nouveau_framebuffer(ctx->DrawBuffer); 207 208 if (nfb->hierz.bo) { 209 BEGIN_NV04(push, NV17_3D(ZCLEAR_ENABLE), 2); 210 PUSH_DATAb(push, !nctx->hierz.clear_blocked); 211 PUSH_DATA (push, nfb->hierz.clear_value | 212 (nctx->hierz.clear_seq & 0xff)); 213 } else { 214 BEGIN_NV04(push, NV10_3D(DEPTH_RANGE_NEAR), 2); 215 PUSH_DATAf(push, nv10_transform_depth(ctx, 0)); 216 PUSH_DATAf(push, nv10_transform_depth(ctx, 1)); 217 context_dirty(ctx, VIEWPORT); 218 } 219 } 220
