/* * Copyright 2010 Red Hat Inc. * * 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 * on the rights to use, copy, modify, merge, publish, distribute, sub * license, 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 (including the next * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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 #include #include "pipe/p_defines.h" #include "pipe/p_state.h" #include "pipe/p_context.h" #include "pipe/p_screen.h" #include "util/u_memory.h" #include "util/u_inlines.h" #include "util/u_format.h" #include "noop_public.h" DEBUG_GET_ONCE_BOOL_OPTION(noop, "GALLIUM_NOOP", FALSE) void noop_init_state_functions(struct pipe_context *ctx); struct noop_pipe_screen { struct pipe_screen pscreen; struct pipe_screen *oscreen; }; /* * query */ struct noop_query { unsigned query; }; static struct pipe_query *noop_create_query(struct pipe_context *ctx, unsigned query_type) { struct noop_query *query = CALLOC_STRUCT(noop_query); return (struct pipe_query *)query; } static void noop_destroy_query(struct pipe_context *ctx, struct pipe_query *query) { FREE(query); } static void noop_begin_query(struct pipe_context *ctx, struct pipe_query *query) { } static void noop_end_query(struct pipe_context *ctx, struct pipe_query *query) { } static boolean noop_get_query_result(struct pipe_context *ctx, struct pipe_query *query, boolean wait, union pipe_query_result *vresult) { uint64_t *result = (uint64_t*)vresult; *result = 0; return TRUE; } /* * resource */ struct noop_resource { struct pipe_resource base; unsigned size; char *data; struct sw_displaytarget *dt; }; static struct pipe_resource *noop_resource_create(struct pipe_screen *screen, const struct pipe_resource *templ) { struct noop_resource *nresource; unsigned stride; nresource = CALLOC_STRUCT(noop_resource); if (nresource == NULL) return NULL; stride = util_format_get_stride(templ->format, templ->width0); nresource->base = *templ; nresource->base.screen = screen; nresource->size = stride * templ->height0 * templ->depth0; nresource->data = MALLOC(nresource->size); pipe_reference_init(&nresource->base.reference, 1); if (nresource->data == NULL) { FREE(nresource); return NULL; } return &nresource->base; } static struct pipe_resource *noop_resource_from_handle(struct pipe_screen *screen, const struct pipe_resource *templ, struct winsys_handle *handle) { struct noop_pipe_screen *noop_screen = (struct noop_pipe_screen*)screen; struct pipe_screen *oscreen = noop_screen->oscreen; struct pipe_resource *result; struct pipe_resource *noop_resource; result = oscreen->resource_from_handle(oscreen, templ, handle); noop_resource = noop_resource_create(screen, result); pipe_resource_reference(&result, NULL); return noop_resource; } static boolean noop_resource_get_handle(struct pipe_screen *screen, struct pipe_resource *resource, struct winsys_handle *handle) { return FALSE; } static void noop_resource_destroy(struct pipe_screen *screen, struct pipe_resource *resource) { struct noop_resource *nresource = (struct noop_resource *)resource; FREE(nresource->data); FREE(resource); } /* * transfer */ static void *noop_transfer_map(struct pipe_context *pipe, struct pipe_resource *resource, unsigned level, enum pipe_transfer_usage usage, const struct pipe_box *box, struct pipe_transfer **ptransfer) { struct pipe_transfer *transfer; struct noop_resource *nresource = (struct noop_resource *)resource; transfer = CALLOC_STRUCT(pipe_transfer); if (transfer == NULL) return NULL; pipe_resource_reference(&transfer->resource, resource); transfer->level = level; transfer->usage = usage; transfer->box = *box; transfer->stride = 1; transfer->layer_stride = 1; *ptransfer = transfer; return nresource->data; } static void noop_transfer_flush_region(struct pipe_context *pipe, struct pipe_transfer *transfer, const struct pipe_box *box) { } static void noop_transfer_unmap(struct pipe_context *pipe, struct pipe_transfer *transfer) { pipe_resource_reference(&transfer->resource, NULL); FREE(transfer); } static void noop_transfer_inline_write(struct pipe_context *pipe, struct pipe_resource *resource, unsigned level, unsigned usage, const struct pipe_box *box, const void *data, unsigned stride, unsigned layer_stride) { } /* * clear/copy */ static void noop_clear(struct pipe_context *ctx, unsigned buffers, const union pipe_color_union *color, double depth, unsigned stencil) { } static void noop_clear_render_target(struct pipe_context *ctx, struct pipe_surface *dst, const union pipe_color_union *color, unsigned dstx, unsigned dsty, unsigned width, unsigned height) { } static void noop_clear_depth_stencil(struct pipe_context *ctx, struct pipe_surface *dst, unsigned clear_flags, double depth, unsigned stencil, unsigned dstx, unsigned dsty, unsigned width, unsigned height) { } static void noop_resource_copy_region(struct pipe_context *ctx, struct pipe_resource *dst, unsigned dst_level, unsigned dstx, unsigned dsty, unsigned dstz, struct pipe_resource *src, unsigned src_level, const struct pipe_box *src_box) { } static void noop_blit(struct pipe_context *ctx, const struct pipe_blit_info *info) { } static void noop_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource) { } /* * context */ static void noop_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence, unsigned flags) { } static void noop_destroy_context(struct pipe_context *ctx) { FREE(ctx); } static struct pipe_context *noop_create_context(struct pipe_screen *screen, void *priv) { struct pipe_context *ctx = CALLOC_STRUCT(pipe_context); if (ctx == NULL) return NULL; ctx->screen = screen; ctx->priv = priv; ctx->destroy = noop_destroy_context; ctx->flush = noop_flush; ctx->clear = noop_clear; ctx->clear_render_target = noop_clear_render_target; ctx->clear_depth_stencil = noop_clear_depth_stencil; ctx->resource_copy_region = noop_resource_copy_region; ctx->blit = noop_blit; ctx->flush_resource = noop_flush_resource; ctx->create_query = noop_create_query; ctx->destroy_query = noop_destroy_query; ctx->begin_query = noop_begin_query; ctx->end_query = noop_end_query; ctx->get_query_result = noop_get_query_result; ctx->transfer_map = noop_transfer_map; ctx->transfer_flush_region = noop_transfer_flush_region; ctx->transfer_unmap = noop_transfer_unmap; ctx->transfer_inline_write = noop_transfer_inline_write; noop_init_state_functions(ctx); return ctx; } /* * pipe_screen */ static void noop_flush_frontbuffer(struct pipe_screen *_screen, struct pipe_resource *resource, unsigned level, unsigned layer, void *context_private, struct pipe_box *box) { } static const char *noop_get_vendor(struct pipe_screen* pscreen) { return "X.Org"; } static const char *noop_get_name(struct pipe_screen* pscreen) { return "NOOP"; } static int noop_get_param(struct pipe_screen* pscreen, enum pipe_cap param) { struct pipe_screen *screen = ((struct noop_pipe_screen*)pscreen)->oscreen; return screen->get_param(screen, param); } static float noop_get_paramf(struct pipe_screen* pscreen, enum pipe_capf param) { struct pipe_screen *screen = ((struct noop_pipe_screen*)pscreen)->oscreen; return screen->get_paramf(screen, param); } static int noop_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param) { struct pipe_screen *screen = ((struct noop_pipe_screen*)pscreen)->oscreen; return screen->get_shader_param(screen, shader, param); } static boolean noop_is_format_supported(struct pipe_screen* pscreen, enum pipe_format format, enum pipe_texture_target target, unsigned sample_count, unsigned usage) { struct pipe_screen *screen = ((struct noop_pipe_screen*)pscreen)->oscreen; return screen->is_format_supported(screen, format, target, sample_count, usage); } static uint64_t noop_get_timestamp(struct pipe_screen *pscreen) { return 0; } static void noop_destroy_screen(struct pipe_screen *screen) { struct noop_pipe_screen *noop_screen = (struct noop_pipe_screen*)screen; struct pipe_screen *oscreen = noop_screen->oscreen; oscreen->destroy(oscreen); FREE(screen); } struct pipe_screen *noop_screen_create(struct pipe_screen *oscreen) { struct noop_pipe_screen *noop_screen; struct pipe_screen *screen; if (!debug_get_option_noop()) { return oscreen; } noop_screen = CALLOC_STRUCT(noop_pipe_screen); if (noop_screen == NULL) { return NULL; } noop_screen->oscreen = oscreen; screen = &noop_screen->pscreen; screen->destroy = noop_destroy_screen; screen->get_name = noop_get_name; screen->get_vendor = noop_get_vendor; screen->get_param = noop_get_param; screen->get_shader_param = noop_get_shader_param; screen->get_paramf = noop_get_paramf; screen->is_format_supported = noop_is_format_supported; screen->context_create = noop_create_context; screen->resource_create = noop_resource_create; screen->resource_from_handle = noop_resource_from_handle; screen->resource_get_handle = noop_resource_get_handle; screen->resource_destroy = noop_resource_destroy; screen->flush_frontbuffer = noop_flush_frontbuffer; screen->get_timestamp = noop_get_timestamp; return screen; }