/**********************************************************
* 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 "util/u_inlines.h"
#include "pipe/p_screen.h"
#include "util/u_memory.h"
#include "util/u_bitmask.h"
#include "util/u_upload_mgr.h"
#include "svga_context.h"
#include "svga_screen.h"
#include "svga_surface.h"
#include "svga_resource_texture.h"
#include "svga_resource_buffer.h"
#include "svga_resource.h"
#include "svga_winsys.h"
#include "svga_swtnl.h"
#include "svga_draw.h"
#include "svga_debug.h"
#include "svga_state.h"
DEBUG_GET_ONCE_BOOL_OPTION(no_swtnl, "SVGA_NO_SWTNL", FALSE)
DEBUG_GET_ONCE_BOOL_OPTION(force_swtnl, "SVGA_FORCE_SWTNL", FALSE);
DEBUG_GET_ONCE_BOOL_OPTION(use_min_mipmap, "SVGA_USE_MIN_MIPMAP", FALSE);
DEBUG_GET_ONCE_NUM_OPTION(disable_shader, "SVGA_DISABLE_SHADER", ~0);
DEBUG_GET_ONCE_BOOL_OPTION(no_line_width, "SVGA_NO_LINE_WIDTH", FALSE);
DEBUG_GET_ONCE_BOOL_OPTION(force_hw_line_stipple, "SVGA_FORCE_HW_LINE_STIPPLE", FALSE);
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 );
util_bitmask_destroy( svga->vs_bm );
util_bitmask_destroy( svga->fs_bm );
for(shader = 0; shader < PIPE_SHADER_TYPES; ++shader)
pipe_resource_reference( &svga->curr.cb[shader], NULL );
FREE( svga );
}
struct pipe_context *svga_context_create( struct pipe_screen *screen,
void *priv )
{
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 no_svga;
svga->pipe.screen = screen;
svga->pipe.priv = priv;
svga->pipe.destroy = svga_destroy;
svga->pipe.clear = svga_clear;
svga->swc = svgascreen->sws->context_create(svgascreen->sws);
if(!svga->swc)
goto no_swc;
svga_init_resource_functions(svga);
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);
svga_init_surface_functions(svga);
/* debug */
svga->debug.no_swtnl = debug_get_option_no_swtnl();
svga->debug.force_swtnl = debug_get_option_force_swtnl();
svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
svga->debug.disable_shader = debug_get_option_disable_shader();
svga->debug.no_line_width = debug_get_option_no_line_width();
svga->debug.force_hw_line_stipple = debug_get_option_force_hw_line_stipple();
svga->fs_bm = util_bitmask_create();
if (svga->fs_bm == NULL)
goto no_fs_bm;
svga->vs_bm = util_bitmask_create();
if (svga->vs_bm == NULL)
goto no_vs_bm;
svga->upload_ib = u_upload_create( &svga->pipe,
32 * 1024,
16,
PIPE_BIND_INDEX_BUFFER );
if (svga->upload_ib == NULL)
goto no_upload_ib;
svga->upload_vb = u_upload_create( &svga->pipe,
128 * 1024,
16,
PIPE_BIND_VERTEX_BUFFER );
if (svga->upload_vb == NULL)
goto no_upload_vb;
svga->hwtnl = svga_hwtnl_create( svga,
svga->upload_ib,
svga->swc );
if (svga->hwtnl == NULL)
goto no_hwtnl;
if (!svga_init_swtnl(svga))
goto no_swtnl;
ret = svga_emit_initial_state( svga );
if (ret != PIPE_OK)
goto no_state;
/* 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;
LIST_INITHEAD(&svga->dirty_buffers);
return &svga->pipe;
no_state:
svga_destroy_swtnl(svga);
no_swtnl:
svga_hwtnl_destroy( svga->hwtnl );
no_hwtnl:
u_upload_destroy( svga->upload_vb );
no_upload_vb:
u_upload_destroy( svga->upload_ib );
no_upload_ib:
util_bitmask_destroy( svga->vs_bm );
no_vs_bm:
util_bitmask_destroy( svga->fs_bm );
no_fs_bm:
svga->swc->destroy(svga->swc);
no_swc:
FREE(svga);
no_svga:
return NULL;
}
void svga_context_flush( struct svga_context *svga,
struct pipe_fence_handle **pfence )
{
struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
struct pipe_fence_handle *fence = NULL;
svga->curr.nr_fbs = 0;
/* Flush the upload managers to ensure recycling of upload buffers
* without throttling. This should really be conditioned on
* pipe_buffer_map_range not supporting PIPE_TRANSFER_UNSYNCHRONIZED.
*/
u_upload_flush(svga->upload_vb);
u_upload_flush(svga->upload_ib);
/* Ensure that texture dma uploads are processed
* before submitting commands.
*/
svga_context_flush_buffers(svga);
/* Flush pending commands to hardware:
*/
svga->swc->flush(svga->swc, &fence);
svga_screen_cache_flush(svgascreen, fence);
/* To force the re-emission of rendertargets and texture sampler bindings on
* the next command buffer.
*/
svga->rebind.rendertargets = TRUE;
svga->rebind.texture_samplers = TRUE;
if (SVGA_DEBUG & DEBUG_SYNC) {
if (fence)
svga->pipe.screen->fence_finish( svga->pipe.screen, fence,
PIPE_TIMEOUT_INFINITE);
}
if(pfence)
svgascreen->sws->fence_reference(svgascreen->sws, pfence, fence);
svgascreen->sws->fence_reference(svgascreen->sws, &fence, NULL);
}
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);
}
/**
* Flush the primitive queue if this buffer is referred.
*
* Otherwise DMA commands on the referred buffer will be emitted too late.
*/
void svga_hwtnl_flush_buffer( struct svga_context *svga,
struct pipe_resource *buffer )
{
if (svga_hwtnl_is_buffer_referred(svga->hwtnl, buffer)) {
svga_hwtnl_flush_retry(svga);
}
}
/* Emit all operations pending on host surfaces.
*/
void svga_surfaces_flush(struct svga_context *svga)
{
unsigned i;
/* Emit buffered drawing commands.
*/
svga_hwtnl_flush_retry( svga );
/* Emit back-copy from render target view to texture.
*/
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
if (svga->curr.framebuffer.cbufs[i])
svga_propagate_surface(svga, svga->curr.framebuffer.cbufs[i]);
}
if (svga->curr.framebuffer.zsbuf)
svga_propagate_surface(svga, svga->curr.framebuffer.zsbuf);
}
struct svga_winsys_context *
svga_winsys_context( struct pipe_context *pipe )
{
return svga_context( pipe )->swc;
}