--- /dev/null
+/*
+ * 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 <stdio.h>
+#include <errno.h>
+#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 "util/u_upload_mgr.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, unsigned index)
+{
+ 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 boolean noop_begin_query(struct pipe_context *ctx, struct pipe_query *query)
+{
+ return true;
+}
+
+static bool noop_end_query(struct pipe_context *ctx, struct pipe_query *query)
+{
+ return true;
+}
+
+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;
+}
+
+static void
+noop_set_active_query_state(struct pipe_context *pipe, boolean enable)
+{
+}
+
+
+/*
+ * 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)
+ 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,
+ unsigned usage)
+{
+ 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, usage);
+ noop_resource = noop_resource_create(screen, result);
+ pipe_resource_reference(&result, NULL);
+ return noop_resource;
+}
+
+static boolean noop_resource_get_handle(struct pipe_screen *pscreen,
+ struct pipe_context *ctx,
+ struct pipe_resource *resource,
+ struct winsys_handle *handle,
+ unsigned usage)
+{
+ struct noop_pipe_screen *noop_screen = (struct noop_pipe_screen*)pscreen;
+ struct pipe_screen *screen = noop_screen->oscreen;
+ struct pipe_resource *tex;
+ bool result;
+
+ /* resource_get_handle musn't fail. Just create something and return it. */
+ tex = screen->resource_create(screen, resource);
+ if (!tex)
+ return false;
+
+ result = screen->resource_get_handle(screen, NULL, tex, handle, usage);
+ pipe_resource_reference(&tex, NULL);
+ return result;
+}
+
+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)
+ 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_buffer_subdata(struct pipe_context *pipe,
+ struct pipe_resource *resource,
+ unsigned usage, unsigned offset,
+ unsigned size, const void *data)
+{
+}
+
+static void noop_texture_subdata(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,
+ bool render_condition_enabled)
+{
+}
+
+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,
+ bool render_condition_enabled)
+{
+}
+
+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)
+{
+ if (fence)
+ *fence = NULL;
+}
+
+static void noop_destroy_context(struct pipe_context *ctx)
+{
+ if (ctx->stream_uploader)
+ u_upload_destroy(ctx->stream_uploader);
+
+ FREE(ctx);
+}
+
+static boolean noop_generate_mipmap(struct pipe_context *ctx,
+ struct pipe_resource *resource,
+ enum pipe_format format,
+ unsigned base_level,
+ unsigned last_level,
+ unsigned first_layer,
+ unsigned last_layer)
+{
+ return true;
+}
+
+static struct pipe_context *noop_create_context(struct pipe_screen *screen,
+ void *priv, unsigned flags)
+{
+ struct pipe_context *ctx = CALLOC_STRUCT(pipe_context);
+
+ if (!ctx)
+ return NULL;
+
+ ctx->screen = screen;
+ ctx->priv = priv;
+
+ ctx->stream_uploader = u_upload_create_default(ctx);
+ if (!ctx->stream_uploader) {
+ FREE(ctx);
+ return NULL;
+ }
+ ctx->const_uploader = ctx->stream_uploader;
+
+ 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->generate_mipmap = noop_generate_mipmap;
+ 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->set_active_query_state = noop_set_active_query_state;
+ ctx->transfer_map = noop_transfer_map;
+ ctx->transfer_flush_region = noop_transfer_flush_region;
+ ctx->transfer_unmap = noop_transfer_unmap;
+ ctx->buffer_subdata = noop_buffer_subdata;
+ ctx->texture_subdata = noop_texture_subdata;
+ 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_device_vendor(struct pipe_screen* pscreen)
+{
+ return "NONE";
+}
+
+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,
+ enum pipe_shader_type 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 int noop_get_compute_param(struct pipe_screen *pscreen,
+ enum pipe_shader_ir ir_type,
+ enum pipe_compute_cap param,
+ void *ret)
+{
+ struct pipe_screen *screen = ((struct noop_pipe_screen*)pscreen)->oscreen;
+
+ return screen->get_compute_param(screen, ir_type, param, ret);
+}
+
+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);
+}
+
+static void noop_fence_reference(struct pipe_screen *screen,
+ struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *fence)
+{
+}
+
+static boolean noop_fence_finish(struct pipe_screen *screen,
+ struct pipe_context *ctx,
+ struct pipe_fence_handle *fence,
+ uint64_t timeout)
+{
+ return true;
+}
+
+static void noop_query_memory_info(struct pipe_screen *pscreen,
+ struct pipe_memory_info *info)
+{
+ struct noop_pipe_screen *noop_screen = (struct noop_pipe_screen*)pscreen;
+ struct pipe_screen *screen = noop_screen->oscreen;
+
+ screen->query_memory_info(screen, info);
+}
+
+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) {
+ 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_device_vendor = noop_get_device_vendor;
+ screen->get_param = noop_get_param;
+ screen->get_shader_param = noop_get_shader_param;
+ screen->get_compute_param = noop_get_compute_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;
+ screen->fence_reference = noop_fence_reference;
+ screen->fence_finish = noop_fence_finish;
+ screen->query_memory_info = noop_query_memory_info;
+
+ return screen;
+}
projects / mesa.git / blobdiff