| /* |
| * Copyright (C) 2009 Francisco Jerez. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial |
| * portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| |
| #include "nouveau_driver.h" |
| #include "nouveau_context.h" |
| #include "nouveau_fbo.h" |
| #include "nouveau_util.h" |
| #include "nv_object.xml.h" |
| #include "nv10_3d.xml.h" |
| #include "nv10_driver.h" |
| |
| static inline unsigned |
| get_rt_format(gl_format format) |
| { |
| switch (format) { |
| case MESA_FORMAT_XRGB8888: |
| return NV10_3D_RT_FORMAT_COLOR_X8R8G8B8; |
| case MESA_FORMAT_ARGB8888: |
| return NV10_3D_RT_FORMAT_COLOR_A8R8G8B8; |
| case MESA_FORMAT_RGB565: |
| return NV10_3D_RT_FORMAT_COLOR_R5G6B5; |
| case MESA_FORMAT_Z16: |
| return NV10_3D_RT_FORMAT_DEPTH_Z16; |
| case MESA_FORMAT_Z24_S8: |
| return NV10_3D_RT_FORMAT_DEPTH_Z24S8; |
| default: |
| assert(0); |
| } |
| } |
| |
| static void |
| setup_hierz_buffer(struct gl_context *ctx) |
| { |
| struct nouveau_pushbuf *push = context_push(ctx); |
| struct gl_framebuffer *fb = ctx->DrawBuffer; |
| struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb); |
| unsigned pitch = align(fb->Width, 128), |
| height = align(fb->Height, 2), |
| size = pitch * height; |
| |
| if (!nfb->hierz.bo || nfb->hierz.bo->size != size) { |
| union nouveau_bo_config config = { |
| .nv04.surf_flags = NV04_BO_ZETA, |
| .nv04.surf_pitch = 0 |
| }; |
| |
| nouveau_bo_ref(NULL, &nfb->hierz.bo); |
| nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size, |
| &config, &nfb->hierz.bo); |
| } |
| |
| PUSH_SPACE(push, 11); |
| BEGIN_NV04(push, NV17_3D(HIERZ_OFFSET), 1); |
| PUSH_MTHDl(push, NV17_3D(HIERZ_OFFSET), BUFCTX_FB, |
| nfb->hierz.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR); |
| BEGIN_NV04(push, NV17_3D(HIERZ_WINDOW_X), 4); |
| PUSH_DATAf(push, - 1792); |
| PUSH_DATAf(push, - 2304 + fb->Height); |
| PUSH_DATAf(push, fb->_DepthMaxF / 2); |
| PUSH_DATAf(push, 0); |
| |
| BEGIN_NV04(push, NV17_3D(HIERZ_PITCH), 1); |
| PUSH_DATA (push, pitch); |
| |
| BEGIN_NV04(push, NV17_3D(HIERZ_ENABLE), 1); |
| PUSH_DATA (push, 1); |
| } |
| |
| void |
| nv10_emit_framebuffer(struct gl_context *ctx, int emit) |
| { |
| struct nouveau_pushbuf *push = context_push(ctx); |
| struct gl_framebuffer *fb = ctx->DrawBuffer; |
| struct nouveau_surface *s; |
| unsigned rt_format = NV10_3D_RT_FORMAT_TYPE_LINEAR; |
| unsigned rt_pitch = 0, zeta_pitch = 0; |
| unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR; |
| |
| if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) |
| return; |
| |
| PUSH_RESET(push, BUFCTX_FB); |
| |
| /* At least nv11 seems to get sad if we don't do this before |
| * swapping RTs.*/ |
| if (context_chipset(ctx) < 0x17) { |
| int i; |
| |
| for (i = 0; i < 6; i++) { |
| BEGIN_NV04(push, NV04_GRAPH(3D, NOP), 1); |
| PUSH_DATA (push, 0); |
| } |
| } |
| |
| /* Render target */ |
| if (fb->_ColorDrawBuffers[0]) { |
| s = &to_nouveau_renderbuffer( |
| fb->_ColorDrawBuffers[0])->surface; |
| |
| rt_format |= get_rt_format(s->format); |
| zeta_pitch = rt_pitch = s->pitch; |
| |
| BEGIN_NV04(push, NV10_3D(COLOR_OFFSET), 1); |
| PUSH_MTHDl(push, NV10_3D(COLOR_OFFSET), BUFCTX_FB, |
| s->bo, 0, bo_flags); |
| } |
| |
| /* depth/stencil */ |
| if (fb->Attachment[BUFFER_DEPTH].Renderbuffer) { |
| s = &to_nouveau_renderbuffer( |
| fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface; |
| |
| rt_format |= get_rt_format(s->format); |
| zeta_pitch = s->pitch; |
| |
| BEGIN_NV04(push, NV10_3D(ZETA_OFFSET), 1); |
| PUSH_MTHDl(push, NV10_3D(ZETA_OFFSET), BUFCTX_FB, |
| s->bo, 0, bo_flags); |
| |
| if (context_chipset(ctx) >= 0x17) { |
| setup_hierz_buffer(ctx); |
| context_dirty(ctx, ZCLEAR); |
| } |
| } |
| |
| BEGIN_NV04(push, NV10_3D(RT_FORMAT), 2); |
| PUSH_DATA (push, rt_format); |
| PUSH_DATA (push, zeta_pitch << 16 | rt_pitch); |
| |
| context_dirty(ctx, VIEWPORT); |
| context_dirty(ctx, SCISSOR); |
| } |
| |
| void |
| nv10_emit_render_mode(struct gl_context *ctx, int emit) |
| { |
| } |
| |
| void |
| nv10_emit_scissor(struct gl_context *ctx, int emit) |
| { |
| struct nouveau_pushbuf *push = context_push(ctx); |
| int x, y, w, h; |
| |
| get_scissors(ctx->DrawBuffer, &x, &y, &w, &h); |
| |
| BEGIN_NV04(push, NV10_3D(RT_HORIZ), 2); |
| PUSH_DATA (push, w << 16 | x); |
| PUSH_DATA (push, h << 16 | y); |
| } |
| |
| void |
| nv10_emit_viewport(struct gl_context *ctx, int emit) |
| { |
| struct nouveau_pushbuf *push = context_push(ctx); |
| struct gl_viewport_attrib *vp = &ctx->Viewport; |
| struct gl_framebuffer *fb = ctx->DrawBuffer; |
| float a[4] = {}; |
| |
| get_viewport_translate(ctx, a); |
| a[0] -= 2048; |
| a[1] -= 2048; |
| if (nv10_use_viewport_zclear(ctx)) |
| a[2] = nv10_transform_depth(ctx, (vp->Far + vp->Near) / 2); |
| |
| BEGIN_NV04(push, NV10_3D(VIEWPORT_TRANSLATE_X), 4); |
| PUSH_DATAp(push, a, 4); |
| |
| BEGIN_NV04(push, NV10_3D(VIEWPORT_CLIP_HORIZ(0)), 1); |
| PUSH_DATA (push, (fb->Width - 1) << 16 | 0x08000800); |
| BEGIN_NV04(push, NV10_3D(VIEWPORT_CLIP_VERT(0)), 1); |
| PUSH_DATA (push, (fb->Height - 1) << 16 | 0x08000800); |
| |
| context_dirty(ctx, PROJECTION); |
| } |
| |
| void |
| nv10_emit_zclear(struct gl_context *ctx, int emit) |
| { |
| struct nouveau_context *nctx = to_nouveau_context(ctx); |
| struct nouveau_pushbuf *push = context_push(ctx); |
| struct nouveau_framebuffer *nfb = |
| to_nouveau_framebuffer(ctx->DrawBuffer); |
| |
| if (nfb->hierz.bo) { |
| BEGIN_NV04(push, NV17_3D(ZCLEAR_ENABLE), 2); |
| PUSH_DATAb(push, !nctx->hierz.clear_blocked); |
| PUSH_DATA (push, nfb->hierz.clear_value | |
| (nctx->hierz.clear_seq & 0xff)); |
| } else { |
| BEGIN_NV04(push, NV10_3D(DEPTH_RANGE_NEAR), 2); |
| PUSH_DATAf(push, nv10_transform_depth(ctx, 0)); |
| PUSH_DATAf(push, nv10_transform_depth(ctx, 1)); |
| context_dirty(ctx, VIEWPORT); |
| } |
| } |