diff options
| -rw-r--r-- | src/gallium/drivers/svga/svga_pipe_gs.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_pipe_gs.c b/src/gallium/drivers/svga/svga_pipe_gs.c new file mode 100644 index 00000000000..752c8c700e0 --- /dev/null +++ b/src/gallium/drivers/svga/svga_pipe_gs.c @@ -0,0 +1,142 @@ +/********************************************************** + * Copyright 2014 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_context.h" +#include "util/u_inlines.h" +#include "util/u_memory.h" +#include "util/u_bitmask.h" +#include "tgsi/tgsi_parse.h" +#include "tgsi/tgsi_text.h" + +#include "svga_context.h" +#include "svga_cmd.h" +#include "svga_debug.h" +#include "svga_shader.h" +#include "svga_streamout.h" + +static void * +svga_create_gs_state(struct pipe_context *pipe, + const struct pipe_shader_state *templ) +{ + struct svga_context *svga = svga_context(pipe); + struct svga_geometry_shader *gs = CALLOC_STRUCT(svga_geometry_shader); + + if (!gs) + return NULL; + + gs->base.tokens = tgsi_dup_tokens(templ->tokens); + + /* Collect basic info that we'll need later: + */ + tgsi_scan_shader(gs->base.tokens, &gs->base.info); + + gs->draw_shader = draw_create_geometry_shader(svga->swtnl.draw, templ); + + gs->base.id = svga->debug.shader_id++; + + gs->generic_outputs = svga_get_generic_outputs_mask(&gs->base.info); + + /* check for any stream output declarations */ + if (templ->stream_output.num_outputs) { + gs->base.stream_output = svga_create_stream_output(svga, &gs->base, + &templ->stream_output); + } + + return gs; +} + + +static void +svga_bind_gs_state(struct pipe_context *pipe, void *shader) +{ + struct svga_geometry_shader *gs = (struct svga_geometry_shader *)shader; + struct svga_context *svga = svga_context(pipe); + + svga->curr.user_gs = gs; + svga->dirty |= SVGA_NEW_GS; +} + + +static void +svga_delete_gs_state(struct pipe_context *pipe, void *shader) +{ + struct svga_context *svga = svga_context(pipe); + struct svga_geometry_shader *gs = (struct svga_geometry_shader *)shader; + struct svga_geometry_shader *next_gs; + struct svga_shader_variant *variant, *tmp; + enum pipe_error ret; + + svga_hwtnl_flush_retry(svga); + + /* Start deletion from the original geometry shader state */ + if (gs->base.parent != NULL) + gs = (struct svga_geometry_shader *)gs->base.parent; + + /* Free the list of geometry shaders */ + while (gs) { + next_gs = (struct svga_geometry_shader *)gs->base.next; + + if (gs->base.stream_output != NULL) + svga_delete_stream_output(svga, gs->base.stream_output); + + draw_delete_geometry_shader(svga->swtnl.draw, gs->draw_shader); + + for (variant = gs->base.variants; variant; variant = tmp) { + tmp = variant->next; + + /* Check if deleting currently bound shader */ + if (variant == svga->state.hw_draw.gs) { + ret = svga_set_shader(svga, SVGA3D_SHADERTYPE_GS, NULL); + if (ret != PIPE_OK) { + svga_context_flush(svga, NULL); + ret = svga_set_shader(svga, SVGA3D_SHADERTYPE_GS, NULL); + assert(ret == PIPE_OK); + } + svga->state.hw_draw.gs = NULL; + } + + ret = svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_GS, variant); + if (ret != PIPE_OK) { + svga_context_flush(svga, NULL); + ret = svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_GS, + variant); + assert(ret == PIPE_OK); + } + } + + FREE((void *)gs->base.tokens); + FREE(gs); + gs = next_gs; + } +} + + +void +svga_init_gs_functions(struct svga_context *svga) +{ + svga->pipe.create_gs_state = svga_create_gs_state; + svga->pipe.bind_gs_state = svga_bind_gs_state; + svga->pipe.delete_gs_state = svga_delete_gs_state; +} |