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 "nv04_3d.xml.h" 32 #include "nv04_driver.h" 33 34 static inline unsigned 35 get_rt_format(mesa_format format) 36 { 37 switch (format) { 38 case MESA_FORMAT_B8G8R8X8_UNORM: 39 return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_X8R8G8B8_X8R8G8B8; 40 case MESA_FORMAT_B8G8R8A8_UNORM: 41 return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_A8R8G8B8; 42 case MESA_FORMAT_B5G6R5_UNORM: 43 return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_R5G6B5; 44 default: 45 assert(0); 46 } 47 } 48 49 void 50 nv04_emit_framebuffer(struct gl_context *ctx, int emit) 51 { 52 struct nouveau_pushbuf *push = context_push(ctx); 53 struct gl_framebuffer *fb = ctx->DrawBuffer; 54 struct nouveau_surface *s; 55 uint32_t rt_format = NV04_CONTEXT_SURFACES_3D_FORMAT_TYPE_PITCH; 56 uint32_t rt_pitch = 0, zeta_pitch = 0; 57 unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR; 58 59 if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) 60 return; 61 62 PUSH_RESET(push, BUFCTX_FB); 63 64 /* Render target */ 65 if (fb->_ColorDrawBuffers[0]) { 66 s = &to_nouveau_renderbuffer( 67 fb->_ColorDrawBuffers[0])->surface; 68 69 rt_format |= get_rt_format(s->format); 70 zeta_pitch = rt_pitch = s->pitch; 71 72 BEGIN_NV04(push, NV04_SF3D(OFFSET_COLOR), 1); 73 PUSH_MTHDl(push, NV04_SF3D(OFFSET_COLOR), BUFCTX_FB, 74 s->bo, 0, bo_flags); 75 } 76 77 /* depth/stencil */ 78 if (fb->Attachment[BUFFER_DEPTH].Renderbuffer) { 79 s = &to_nouveau_renderbuffer( 80 fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface; 81 82 zeta_pitch = s->pitch; 83 84 BEGIN_NV04(push, NV04_SF3D(OFFSET_ZETA), 1); 85 PUSH_MTHDl(push, NV04_SF3D(OFFSET_ZETA), BUFCTX_FB, 86 s->bo, 0, bo_flags); 87 } 88 89 BEGIN_NV04(push, NV04_SF3D(FORMAT), 1); 90 PUSH_DATA (push, rt_format); 91 BEGIN_NV04(push, NV04_SF3D(PITCH), 1); 92 PUSH_DATA (push, zeta_pitch << 16 | rt_pitch); 93 94 /* Recompute the scissor state. */ 95 context_dirty(ctx, SCISSOR); 96 context_dirty(ctx, CONTROL); 97 } 98 99 void 100 nv04_emit_scissor(struct gl_context *ctx, int emit) 101 { 102 struct nouveau_pushbuf *push = context_push(ctx); 103 int x, y, w, h; 104 105 get_scissors(ctx->DrawBuffer, &x, &y, &w, &h); 106 107 BEGIN_NV04(push, NV04_SF3D(CLIP_HORIZONTAL), 2); 108 PUSH_DATA (push, w << 16 | x); 109 PUSH_DATA (push, h << 16 | y); 110 } 111