| 0,0 → 1,365 |
|---|
| /********************************************************** |
| * 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 "draw/draw_vbuf.h" |
| #include "draw/draw_context.h" |
| #include "draw/draw_vertex.h" |
| |
| #include "util/u_debug.h" |
| #include "util/u_inlines.h" |
| #include "util/u_math.h" |
| #include "util/u_memory.h" |
| |
| #include "svga_context.h" |
| #include "svga_state.h" |
| #include "svga_swtnl.h" |
| |
| #include "svga_types.h" |
| #include "svga_reg.h" |
| #include "svga3d_reg.h" |
| #include "svga_draw.h" |
| #include "svga_swtnl_private.h" |
| |
| |
| static const struct vertex_info * |
| svga_vbuf_render_get_vertex_info( struct vbuf_render *render ) |
| { |
| struct svga_vbuf_render *svga_render = svga_vbuf_render(render); |
| struct svga_context *svga = svga_render->svga; |
| |
| svga_swtnl_update_vdecl(svga); |
| |
| return &svga_render->vertex_info; |
| } |
| |
| |
| static boolean |
| svga_vbuf_render_allocate_vertices( struct vbuf_render *render, |
| ushort vertex_size, |
| ushort nr_vertices ) |
| { |
| struct svga_vbuf_render *svga_render = svga_vbuf_render(render); |
| struct svga_context *svga = svga_render->svga; |
| struct pipe_screen *screen = svga->pipe.screen; |
| size_t size = (size_t)nr_vertices * (size_t)vertex_size; |
| boolean new_vbuf = FALSE; |
| boolean new_ibuf = FALSE; |
| |
| if (svga_render->vertex_size != vertex_size) |
| svga->swtnl.new_vdecl = TRUE; |
| svga_render->vertex_size = (size_t)vertex_size; |
| |
| if (svga->swtnl.new_vbuf) |
| new_ibuf = new_vbuf = TRUE; |
| svga->swtnl.new_vbuf = FALSE; |
| |
| if (svga_render->vbuf_size < svga_render->vbuf_offset + svga_render->vbuf_used + size) |
| new_vbuf = TRUE; |
| |
| if (new_vbuf) |
| pipe_resource_reference(&svga_render->vbuf, NULL); |
| if (new_ibuf) |
| pipe_resource_reference(&svga_render->ibuf, NULL); |
| |
| if (!svga_render->vbuf) { |
| svga_render->vbuf_size = MAX2(size, svga_render->vbuf_alloc_size); |
| svga_render->vbuf = pipe_buffer_create(screen, |
| PIPE_BIND_VERTEX_BUFFER, |
| PIPE_USAGE_STREAM, |
| svga_render->vbuf_size); |
| if(!svga_render->vbuf) { |
| svga_context_flush(svga, NULL); |
| assert(!svga_render->vbuf); |
| svga_render->vbuf = pipe_buffer_create(screen, |
| PIPE_BIND_VERTEX_BUFFER, |
| PIPE_USAGE_STREAM, |
| svga_render->vbuf_size); |
| /* The buffer allocation may fail if we run out of memory. |
| * The draw module's vbuf code should handle that without crashing. |
| */ |
| } |
| |
| svga->swtnl.new_vdecl = TRUE; |
| svga_render->vbuf_offset = 0; |
| } else { |
| svga_render->vbuf_offset += svga_render->vbuf_used; |
| } |
| |
| svga_render->vbuf_used = 0; |
| |
| if (svga->swtnl.new_vdecl) |
| svga_render->vdecl_offset = svga_render->vbuf_offset; |
| |
| return TRUE; |
| } |
| |
| static void * |
| svga_vbuf_render_map_vertices( struct vbuf_render *render ) |
| { |
| struct svga_vbuf_render *svga_render = svga_vbuf_render(render); |
| struct svga_context *svga = svga_render->svga; |
| |
| if (svga_render->vbuf) { |
| char *ptr = (char*)pipe_buffer_map(&svga->pipe, |
| svga_render->vbuf, |
| PIPE_TRANSFER_WRITE | |
| PIPE_TRANSFER_FLUSH_EXPLICIT | |
| PIPE_TRANSFER_DISCARD_RANGE | |
| PIPE_TRANSFER_UNSYNCHRONIZED, |
| &svga_render->vbuf_transfer); |
| if (ptr) |
| return ptr + svga_render->vbuf_offset; |
| else { |
| svga_render->vbuf_transfer = NULL; |
| return NULL; |
| } |
| } |
| else { |
| /* we probably ran out of memory when allocating the vertex buffer */ |
| return NULL; |
| } |
| } |
| |
| static void |
| svga_vbuf_render_unmap_vertices( struct vbuf_render *render, |
| ushort min_index, |
| ushort max_index ) |
| { |
| struct svga_vbuf_render *svga_render = svga_vbuf_render(render); |
| struct svga_context *svga = svga_render->svga; |
| unsigned offset, length; |
| size_t used = svga_render->vertex_size * ((size_t)max_index + 1); |
| |
| offset = svga_render->vbuf_offset + svga_render->vertex_size * min_index; |
| length = svga_render->vertex_size * (max_index + 1 - min_index); |
| pipe_buffer_flush_mapped_range(&svga->pipe, |
| svga_render->vbuf_transfer, |
| offset, length); |
| pipe_buffer_unmap(&svga->pipe, svga_render->vbuf_transfer); |
| svga_render->min_index = min_index; |
| svga_render->max_index = max_index; |
| svga_render->vbuf_used = MAX2(svga_render->vbuf_used, used); |
| } |
| |
| static void |
| svga_vbuf_render_set_primitive( struct vbuf_render *render, |
| unsigned prim ) |
| { |
| struct svga_vbuf_render *svga_render = svga_vbuf_render(render); |
| svga_render->prim = prim; |
| } |
| |
| static void |
| svga_vbuf_submit_state( struct svga_vbuf_render *svga_render ) |
| { |
| struct svga_context *svga = svga_render->svga; |
| SVGA3dVertexDecl vdecl[PIPE_MAX_ATTRIBS]; |
| enum pipe_error ret; |
| unsigned i; |
| |
| /* if the vdecl or vbuf hasn't changed do nothing */ |
| if (!svga->swtnl.new_vdecl) |
| return; |
| |
| memcpy(vdecl, svga_render->vdecl, sizeof(vdecl)); |
| |
| /* flush the hw state */ |
| ret = svga_hwtnl_flush(svga->hwtnl); |
| if (ret != PIPE_OK) { |
| svga_context_flush(svga, NULL); |
| ret = svga_hwtnl_flush(svga->hwtnl); |
| /* if we hit this path we might become synced with hw */ |
| svga->swtnl.new_vbuf = TRUE; |
| assert(ret == 0); |
| } |
| |
| svga_hwtnl_reset_vdecl(svga->hwtnl, svga_render->vdecl_count); |
| |
| for (i = 0; i < svga_render->vdecl_count; i++) { |
| vdecl[i].array.offset += svga_render->vdecl_offset; |
| |
| svga_hwtnl_vdecl( svga->hwtnl, |
| i, |
| &vdecl[i], |
| svga_render->vbuf ); |
| } |
| |
| /* We have already taken care of flatshading, so let the hwtnl |
| * module use whatever is most convenient: |
| */ |
| if (svga->state.sw.need_pipeline) { |
| svga_hwtnl_set_flatshade(svga->hwtnl, FALSE, FALSE); |
| svga_hwtnl_set_unfilled(svga->hwtnl, PIPE_POLYGON_MODE_FILL); |
| } |
| else { |
| svga_hwtnl_set_flatshade( svga->hwtnl, |
| svga->curr.rast->templ.flatshade, |
| svga->curr.rast->templ.flatshade_first ); |
| |
| svga_hwtnl_set_unfilled( svga->hwtnl, |
| svga->curr.rast->hw_unfilled ); |
| } |
| |
| svga->swtnl.new_vdecl = FALSE; |
| } |
| |
| static void |
| svga_vbuf_render_draw_arrays( struct vbuf_render *render, |
| unsigned start, |
| uint nr ) |
| { |
| struct svga_vbuf_render *svga_render = svga_vbuf_render(render); |
| struct svga_context *svga = svga_render->svga; |
| unsigned bias = (svga_render->vbuf_offset - svga_render->vdecl_offset) / svga_render->vertex_size; |
| enum pipe_error ret = PIPE_OK; |
| |
| /* off to hardware */ |
| svga_vbuf_submit_state(svga_render); |
| |
| /* Need to call update_state() again as the draw module may have |
| * altered some of our state behind our backs. Testcase: |
| * redbook/polys.c |
| */ |
| svga_update_state_retry( svga, SVGA_STATE_HW_DRAW ); |
| |
| ret = svga_hwtnl_draw_arrays(svga->hwtnl, svga_render->prim, start + bias, nr); |
| if (ret != PIPE_OK) { |
| svga_context_flush(svga, NULL); |
| ret = svga_hwtnl_draw_arrays(svga->hwtnl, svga_render->prim, start + bias, nr); |
| svga->swtnl.new_vbuf = TRUE; |
| assert(ret == PIPE_OK); |
| } |
| } |
| |
| |
| static void |
| svga_vbuf_render_draw_elements( struct vbuf_render *render, |
| const ushort *indices, |
| uint nr_indices) |
| { |
| struct svga_vbuf_render *svga_render = svga_vbuf_render(render); |
| struct svga_context *svga = svga_render->svga; |
| struct pipe_screen *screen = svga->pipe.screen; |
| int bias = (svga_render->vbuf_offset - svga_render->vdecl_offset) / svga_render->vertex_size; |
| boolean ret; |
| size_t size = 2 * nr_indices; |
| |
| assert(( svga_render->vbuf_offset - svga_render->vdecl_offset) % svga_render->vertex_size == 0); |
| |
| if (svga_render->ibuf_size < svga_render->ibuf_offset + size) |
| pipe_resource_reference(&svga_render->ibuf, NULL); |
| |
| if (!svga_render->ibuf) { |
| svga_render->ibuf_size = MAX2(size, svga_render->ibuf_alloc_size); |
| svga_render->ibuf = pipe_buffer_create(screen, |
| PIPE_BIND_INDEX_BUFFER, |
| PIPE_USAGE_STREAM, |
| svga_render->ibuf_size); |
| svga_render->ibuf_offset = 0; |
| } |
| |
| pipe_buffer_write_nooverlap(&svga->pipe, svga_render->ibuf, |
| svga_render->ibuf_offset, 2 * nr_indices, indices); |
| |
| /* off to hardware */ |
| svga_vbuf_submit_state(svga_render); |
| |
| /* Need to call update_state() again as the draw module may have |
| * altered some of our state behind our backs. Testcase: |
| * redbook/polys.c |
| */ |
| svga_update_state_retry( svga, SVGA_STATE_HW_DRAW ); |
| |
| ret = svga_hwtnl_draw_range_elements(svga->hwtnl, |
| svga_render->ibuf, |
| 2, |
| bias, |
| svga_render->min_index, |
| svga_render->max_index, |
| svga_render->prim, |
| svga_render->ibuf_offset / 2, nr_indices); |
| if(ret != PIPE_OK) { |
| svga_context_flush(svga, NULL); |
| ret = svga_hwtnl_draw_range_elements(svga->hwtnl, |
| svga_render->ibuf, |
| 2, |
| bias, |
| svga_render->min_index, |
| svga_render->max_index, |
| svga_render->prim, |
| svga_render->ibuf_offset / 2, nr_indices); |
| svga->swtnl.new_vbuf = TRUE; |
| assert(ret == PIPE_OK); |
| } |
| |
| svga_render->ibuf_offset += size; |
| } |
| |
| |
| static void |
| svga_vbuf_render_release_vertices( struct vbuf_render *render ) |
| { |
| |
| } |
| |
| |
| static void |
| svga_vbuf_render_destroy( struct vbuf_render *render ) |
| { |
| struct svga_vbuf_render *svga_render = svga_vbuf_render(render); |
| |
| pipe_resource_reference(&svga_render->vbuf, NULL); |
| pipe_resource_reference(&svga_render->ibuf, NULL); |
| FREE(svga_render); |
| } |
| |
| |
| /** |
| * Create a new primitive render. |
| */ |
| struct vbuf_render * |
| svga_vbuf_render_create( struct svga_context *svga ) |
| { |
| struct svga_vbuf_render *svga_render = CALLOC_STRUCT(svga_vbuf_render); |
| |
| svga_render->svga = svga; |
| svga_render->ibuf_size = 0; |
| svga_render->vbuf_size = 0; |
| svga_render->ibuf_alloc_size = 4*1024; |
| svga_render->vbuf_alloc_size = 64*1024; |
| svga_render->base.max_vertex_buffer_bytes = 64*1024/10; |
| svga_render->base.max_indices = 65536; |
| svga_render->base.get_vertex_info = svga_vbuf_render_get_vertex_info; |
| svga_render->base.allocate_vertices = svga_vbuf_render_allocate_vertices; |
| svga_render->base.map_vertices = svga_vbuf_render_map_vertices; |
| svga_render->base.unmap_vertices = svga_vbuf_render_unmap_vertices; |
| svga_render->base.set_primitive = svga_vbuf_render_set_primitive; |
| svga_render->base.draw_elements = svga_vbuf_render_draw_elements; |
| svga_render->base.draw_arrays = svga_vbuf_render_draw_arrays; |
| svga_render->base.release_vertices = svga_vbuf_render_release_vertices; |
| svga_render->base.destroy = svga_vbuf_render_destroy; |
| |
| return &svga_render->base; |
| } |