diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_swtnl_backend.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_swtnl_backend.c | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_swtnl_backend.c b/src/gallium/drivers/svga/svga_swtnl_backend.c new file mode 100644 index 0000000000..b4f757a47a --- /dev/null +++ b/src/gallium/drivers/svga/svga_swtnl_backend.c @@ -0,0 +1,349 @@ +/********************************************************** + * 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 "pipe/p_inlines.h" +#include "util/u_math.h" +#include "util/u_memory.h" +#include "util/u_simple_shaders.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_buffer_reference(&svga_render->vbuf, NULL); + if (new_ibuf) + pipe_buffer_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, + 0, + PIPE_BUFFER_USAGE_VERTEX, + svga_render->vbuf_size); + if(!svga_render->vbuf) { + svga_context_flush(svga, NULL); + svga_render->vbuf = pipe_buffer_create(screen, + 0, + PIPE_BUFFER_USAGE_VERTEX, + svga_render->vbuf_size); + assert(svga_render->vbuf); + } + + 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; + struct pipe_screen *screen = svga->pipe.screen; + + char *ptr = (char*)pipe_buffer_map(screen, + svga_render->vbuf, + PIPE_BUFFER_USAGE_CPU_WRITE | + PIPE_BUFFER_USAGE_FLUSH_EXPLICIT); + return ptr + svga_render->vbuf_offset; +} + +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; + struct pipe_screen *screen = svga->pipe.screen; + 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(screen, svga_render->vbuf, offset, length); + pipe_buffer_unmap(screen, svga_render->vbuf); + svga_render->min_index = min_index; + svga_render->max_index = max_index; + svga_render->vbuf_used = MAX2(svga_render->vbuf_used, used); +} + +static boolean +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; + + return TRUE; +} + +static void +svga_vbuf_sumbit_state( struct svga_vbuf_render *svga_render ) +{ + struct svga_context *svga = svga_render->svga; + SVGA3dVertexDecl vdecl[PIPE_MAX_ATTRIBS]; + enum pipe_error ret; + int 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) { + 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 = 0; + + svga_vbuf_sumbit_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( 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; + unsigned 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_buffer_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, + 0, + PIPE_BUFFER_USAGE_VERTEX, + svga_render->ibuf_size); + svga_render->ibuf_offset = 0; + } + + pipe_buffer_write(screen, svga_render->ibuf, + svga_render->ibuf_offset, 2 * nr_indices, indices); + + + /* off to hardware */ + svga_vbuf_sumbit_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, + svga_render->min_index, + svga_render->max_index, + svga_render->prim, + svga_render->ibuf_offset / 2, nr_indices, bias); + if(ret != PIPE_OK) { + svga_context_flush(svga, NULL); + ret = svga_hwtnl_draw_range_elements(svga->hwtnl, + svga_render->ibuf, + 2, + svga_render->min_index, + svga_render->max_index, + svga_render->prim, + svga_render->ibuf_offset / 2, nr_indices, bias); + 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_buffer_reference(&svga_render->vbuf, NULL); + pipe_buffer_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 = svga_vbuf_render_draw; + 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; +} |