diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_context.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_context.c | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_context.c b/src/gallium/drivers/svga/svga_context.c new file mode 100644 index 00000000000..73233957f36 --- /dev/null +++ b/src/gallium/drivers/svga/svga_context.c @@ -0,0 +1,269 @@ +/********************************************************** + * 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 "svga_cmd.h" + +#include "pipe/p_defines.h" +#include "pipe/p_inlines.h" +#include "pipe/p_screen.h" +#include "util/u_memory.h" +#include "util/u_upload_mgr.h" + +#include "svga_context.h" +#include "svga_screen.h" +#include "svga_screen_texture.h" +#include "svga_screen_buffer.h" +#include "svga_winsys.h" +#include "svga_swtnl.h" +#include "svga_draw.h" +#include "svga_debug.h" +#include "svga_state.h" + + +static void svga_destroy( struct pipe_context *pipe ) +{ + struct svga_context *svga = svga_context( pipe ); + unsigned shader; + + svga_cleanup_framebuffer( svga ); + svga_cleanup_tss_binding( svga ); + + svga_hwtnl_destroy( svga->hwtnl ); + + svga_cleanup_vertex_state(svga); + + svga->swc->destroy(svga->swc); + + svga_destroy_swtnl( svga ); + + u_upload_destroy( svga->upload_vb ); + u_upload_destroy( svga->upload_ib ); + + for(shader = 0; shader < PIPE_SHADER_TYPES; ++shader) + pipe_buffer_reference( &svga->curr.cb[shader], NULL ); + + FREE( svga ); +} + +static unsigned int +svga_is_texture_referenced( struct pipe_context *pipe, + struct pipe_texture *texture, + unsigned face, unsigned level) +{ + struct svga_texture *tex = svga_texture(texture); + struct svga_screen *ss = svga_screen(pipe->screen); + + /** + * The screen does not cache texture writes. + */ + + if (!tex->handle || ss->sws->surface_is_flushed(ss->sws, tex->handle)) + return PIPE_UNREFERENCED; + + /** + * sws->surface_is_flushed() does not distinguish between read references + * and write references. So assume a reference is both. + */ + + return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE; +} + +static unsigned int +svga_is_buffer_referenced( struct pipe_context *pipe, + struct pipe_buffer *buf) + +{ + struct svga_screen *ss = svga_screen(pipe->screen); + struct svga_buffer *sbuf = svga_buffer(buf); + + /** + * XXX: Check this. + * The screen may cache buffer writes, but when we map, we map out + * of those cached writes, so we don't need to set a + * PIPE_REFERENCED_FOR_WRITE flag for cached buffers. + */ + + if (!sbuf->handle || ss->sws->surface_is_flushed(ss->sws, sbuf->handle)) + return PIPE_UNREFERENCED; + + /** + * sws->surface_is_flushed() does not distinguish between read references + * and write references. So assume a reference is both, + * however, we make an exception for index- and vertex buffers, to avoid + * a flush in st_bufferobj_get_subdata, during display list replay. + */ + + if (sbuf->base.usage & (PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_INDEX)) + return PIPE_REFERENCED_FOR_READ; + + return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE; +} + + +struct pipe_context *svga_context_create( struct pipe_screen *screen ) +{ + struct svga_screen *svgascreen = svga_screen(screen); + struct svga_context *svga = NULL; + enum pipe_error ret; + + svga = CALLOC_STRUCT(svga_context); + if (svga == NULL) + goto error1; + + svga->pipe.winsys = screen->winsys; + svga->pipe.screen = screen; + svga->pipe.destroy = svga_destroy; + svga->pipe.clear = svga_clear; + + svga->pipe.is_texture_referenced = svga_is_texture_referenced; + svga->pipe.is_buffer_referenced = svga_is_buffer_referenced; + + svga->swc = svgascreen->sws->context_create(svgascreen->sws); + if(!svga->swc) + goto error2; + + svga_init_blend_functions(svga); + svga_init_blit_functions(svga); + svga_init_depth_stencil_functions(svga); + svga_init_draw_functions(svga); + svga_init_flush_functions(svga); + svga_init_misc_functions(svga); + svga_init_rasterizer_functions(svga); + svga_init_sampler_functions(svga); + svga_init_fs_functions(svga); + svga_init_vs_functions(svga); + svga_init_vertex_functions(svga); + svga_init_constbuffer_functions(svga); + svga_init_query_functions(svga); + + /* debug */ + svga->debug.no_swtnl = debug_get_bool_option("SVGA_NO_SWTNL", FALSE); + svga->debug.force_swtnl = debug_get_bool_option("SVGA_FORCE_SWTNL", FALSE); + svga->debug.use_min_mipmap = debug_get_bool_option("SVGA_USE_MIN_MIPMAP", FALSE); + svga->debug.disable_shader = debug_get_num_option("SVGA_DISABLE_SHADER", ~0); + + if (!svga_init_swtnl(svga)) + goto error3; + + svga->upload_ib = u_upload_create( svga->pipe.screen, + 32 * 1024, + 16, + PIPE_BUFFER_USAGE_INDEX ); + if (svga->upload_ib == NULL) + goto error4; + + svga->upload_vb = u_upload_create( svga->pipe.screen, + 128 * 1024, + 16, + PIPE_BUFFER_USAGE_VERTEX ); + if (svga->upload_vb == NULL) + goto error5; + + svga->hwtnl = svga_hwtnl_create( svga, + svga->upload_ib, + svga->swc ); + if (svga->hwtnl == NULL) + goto error6; + + + ret = svga_emit_initial_state( svga ); + if (ret) + goto error7; + + /* Avoid shortcircuiting state with initial value of zero. + */ + memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear)); + memset(&svga->state.hw_clear.framebuffer, 0x0, + sizeof(svga->state.hw_clear.framebuffer)); + + memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw)); + memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views)); + svga->state.hw_draw.num_views = 0; + + svga->dirty = ~0; + svga->state.white_fs_id = SVGA3D_INVALID_ID; + + LIST_INITHEAD(&svga->dirty_buffers); + + return &svga->pipe; + +error7: + svga_hwtnl_destroy( svga->hwtnl ); +error6: + u_upload_destroy( svga->upload_vb ); +error5: + u_upload_destroy( svga->upload_ib ); +error4: + svga_destroy_swtnl(svga); +error3: + svga->swc->destroy(svga->swc); +error2: + FREE(svga); +error1: + return NULL; +} + + +void svga_context_flush( struct svga_context *svga, + struct pipe_fence_handle **pfence ) +{ + struct svga_screen *svgascreen = svga_screen(svga->pipe.screen); + + /* Unmap upload manager buffers: + */ + u_upload_flush(svga->upload_vb); + u_upload_flush(svga->upload_ib); + + /* Flush screen, to ensure that texture dma uploads are processed + * before submitting commands. + */ + svga_screen_flush(svgascreen, NULL); + + svga_context_flush_buffers(svga); + + /* Flush pending commands to hardware: + */ + svga->swc->flush(svga->swc, pfence); + + if (SVGA_DEBUG & DEBUG_SYNC) { + if (pfence && *pfence) + svga->pipe.screen->fence_finish( svga->pipe.screen, *pfence, 0); + } +} + + +void svga_hwtnl_flush_retry( struct svga_context *svga ) +{ + enum pipe_error ret = PIPE_OK; + + ret = svga_hwtnl_flush( svga->hwtnl ); + if (ret == PIPE_ERROR_OUT_OF_MEMORY) { + svga_context_flush( svga, NULL ); + ret = svga_hwtnl_flush( svga->hwtnl ); + } + + assert(ret == 0); +} + |