diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_state_vdecl.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_state_vdecl.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_state_vdecl.c b/src/gallium/drivers/svga/svga_state_vdecl.c new file mode 100644 index 00000000000..c534308f503 --- /dev/null +++ b/src/gallium/drivers/svga/svga_state_vdecl.c @@ -0,0 +1,182 @@ +/********************************************************** + * Copyright 2008-2009 VMware, Inc. 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 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 AUTHORS OR COPYRIGHT HOLDERS + * 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 "pipe/p_inlines.h" +#include "pipe/p_defines.h" +#include "util/u_math.h" +#include "util/u_upload_mgr.h" + +#include "svga_context.h" +#include "svga_state.h" +#include "svga_draw.h" +#include "svga_tgsi.h" +#include "svga_screen.h" +#include "svga_screen_buffer.h" + +#include "svga_hw_reg.h" + + +static int +upload_user_buffers( struct svga_context *svga ) +{ + enum pipe_error ret = PIPE_OK; + int i; + int nr; + + if (0) + debug_printf("%s: %d\n", __FUNCTION__, svga->curr.num_vertex_buffers); + + nr = svga->curr.num_vertex_buffers; + + for (i = 0; i < nr; i++) + { + if (svga_buffer_is_user_buffer(svga->curr.vb[i].buffer)) + { + struct pipe_buffer *upload_buffer = NULL; + unsigned offset = /*svga->curr.vb[i].buffer_offset*/ 0; + unsigned size = svga->curr.vb[i].buffer->size /*- offset*/; + unsigned upload_offset; + + ret = u_upload_buffer( svga->upload_vb, + offset, + size, + svga->curr.vb[i].buffer, + &upload_offset, + &upload_buffer ); + if (ret) + return ret; + + if (0) + debug_printf("%s: %d: orig buf %p upl buf %p ofs %d sz %d\n", + __FUNCTION__, + i, + svga->curr.vb[i].buffer, + upload_buffer, upload_offset, size); + + /* Make sure we release the old buffer and end up with the + * correct refcount on the uploaded buffer. + */ + pipe_buffer_reference( &svga->curr.vb[i].buffer, NULL ); + svga->curr.vb[i].buffer = upload_buffer; + svga->curr.vb[i].buffer_offset = upload_offset; + } + } + + if (0) + debug_printf("%s: DONE\n", __FUNCTION__); + + return ret; +} + + +/*********************************************************************** + */ + + +static int emit_hw_vs_vdecl( struct svga_context *svga, + unsigned dirty ) +{ + const struct pipe_vertex_element *ve = svga->curr.ve; + SVGA3dVertexDecl decl; + unsigned i; + + assert(svga->curr.num_vertex_elements >= + svga->curr.vs->base.info.file_count[TGSI_FILE_INPUT]); + + svga_hwtnl_reset_vdecl( svga->hwtnl, + svga->curr.num_vertex_elements ); + + for (i = 0; i < svga->curr.num_vertex_elements; i++) { + const struct pipe_vertex_buffer *vb = &svga->curr.vb[ve[i].vertex_buffer_index]; + unsigned usage, index; + + + svga_generate_vdecl_semantics( i, &usage, &index ); + + /* SVGA_NEW_VELEMENT + */ + decl.identity.type = svga->state.sw.ve_format[i]; + decl.identity.method = SVGA3D_DECLMETHOD_DEFAULT; + decl.identity.usage = usage; + decl.identity.usageIndex = index; + decl.array.stride = vb->stride; + decl.array.offset = (vb->buffer_offset + + ve[i].src_offset); + + svga_hwtnl_vdecl( svga->hwtnl, + i, + &decl, + vb->buffer ); + } + + return 0; +} + + +static int emit_hw_vdecl( struct svga_context *svga, + unsigned dirty ) +{ + int ret = 0; + + /* SVGA_NEW_NEED_SWTNL + */ + if (svga->state.sw.need_swtnl) + return 0; /* Do not emit during swtnl */ + + /* If we get to here, we know that we're going to draw. Upload + * userbuffers now and try to combine multiple userbuffers from + * multiple draw calls into a single host buffer for performance. + */ + if (svga->curr.any_user_vertex_buffers && + SVGA_COMBINE_USERBUFFERS) + { + ret = upload_user_buffers( svga ); + if (ret) + return ret; + + svga->curr.any_user_vertex_buffers = FALSE; + } + + return emit_hw_vs_vdecl( svga, dirty ); +} + + +struct svga_tracked_state svga_hw_vdecl = +{ + "hw vertex decl state (hwtnl version)", + ( SVGA_NEW_NEED_SWTNL | + SVGA_NEW_VELEMENT | + SVGA_NEW_VBUFFER | + SVGA_NEW_RAST | + SVGA_NEW_FS | + SVGA_NEW_VS ), + emit_hw_vdecl +}; + + + + + + |