2 * Copyright 2010 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 #include <pipe/p_defines.h>
26 #include <pipe/p_state.h>
27 #include <pipe/p_context.h>
28 #include <pipe/p_screen.h>
29 #include <util/u_memory.h>
30 #include <util/u_inlines.h>
31 #include "util/u_transfer.h"
33 static void noop_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
37 static void noop_set_blend_color(struct pipe_context *ctx,
38 const struct pipe_blend_color *state)
42 static void *noop_create_blend_state(struct pipe_context *ctx,
43 const struct pipe_blend_state *state)
45 struct pipe_blend_state *nstate = CALLOC_STRUCT(pipe_blend_state);
54 static void *noop_create_dsa_state(struct pipe_context *ctx,
55 const struct pipe_depth_stencil_alpha_state *state)
57 struct pipe_depth_stencil_alpha_state *nstate = CALLOC_STRUCT(pipe_depth_stencil_alpha_state);
66 static void *noop_create_rs_state(struct pipe_context *ctx,
67 const struct pipe_rasterizer_state *state)
69 struct pipe_rasterizer_state *nstate = CALLOC_STRUCT(pipe_rasterizer_state);
78 static void *noop_create_sampler_state(struct pipe_context *ctx,
79 const struct pipe_sampler_state *state)
81 struct pipe_sampler_state *nstate = CALLOC_STRUCT(pipe_sampler_state);
90 static struct pipe_sampler_view *noop_create_sampler_view(struct pipe_context *ctx,
91 struct pipe_resource *texture,
92 const struct pipe_sampler_view *state)
94 struct pipe_sampler_view *sampler_view = CALLOC_STRUCT(pipe_sampler_view);
96 if (sampler_view == NULL)
98 /* initialize base object */
99 pipe_resource_reference(&sampler_view->texture, texture);
100 pipe_reference_init(&sampler_view->reference, 1);
101 sampler_view->context = ctx;
105 static struct pipe_surface *noop_create_surface(struct pipe_context *ctx,
106 struct pipe_resource *texture,
107 const struct pipe_surface *surf_tmpl)
109 struct pipe_surface *surface = CALLOC_STRUCT(pipe_surface);
113 pipe_reference_init(&surface->reference, 1);
114 pipe_resource_reference(&surface->texture, texture);
115 surface->context = ctx;
116 surface->format = surf_tmpl->format;
117 surface->width = texture->width0;
118 surface->height = texture->height0;
119 surface->usage = surf_tmpl->usage;
120 surface->texture = texture;
121 surface->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
122 surface->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
123 surface->u.tex.level = surf_tmpl->u.tex.level;
127 static void noop_set_vs_sampler_view(struct pipe_context *ctx, unsigned count,
128 struct pipe_sampler_view **views)
132 static void noop_set_ps_sampler_view(struct pipe_context *ctx, unsigned count,
133 struct pipe_sampler_view **views)
137 static void noop_bind_sampler(struct pipe_context *ctx, unsigned count, void **states)
141 static void noop_set_clip_state(struct pipe_context *ctx,
142 const struct pipe_clip_state *state)
146 static void noop_set_polygon_stipple(struct pipe_context *ctx,
147 const struct pipe_poly_stipple *state)
151 static void noop_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
155 static void noop_set_scissor_state(struct pipe_context *ctx,
156 const struct pipe_scissor_state *state)
160 static void noop_set_stencil_ref(struct pipe_context *ctx,
161 const struct pipe_stencil_ref *state)
165 static void noop_set_viewport_state(struct pipe_context *ctx,
166 const struct pipe_viewport_state *state)
170 static void noop_set_framebuffer_state(struct pipe_context *ctx,
171 const struct pipe_framebuffer_state *state)
175 static void noop_set_constant_buffer(struct pipe_context *ctx,
176 uint shader, uint index,
177 struct pipe_resource *buffer)
182 static void noop_sampler_view_destroy(struct pipe_context *ctx,
183 struct pipe_sampler_view *state)
185 pipe_resource_reference(&state->texture, NULL);
190 static void noop_surface_destroy(struct pipe_context *ctx,
191 struct pipe_surface *surface)
193 pipe_resource_reference(&surface->texture, NULL);
197 static void noop_bind_state(struct pipe_context *ctx, void *state)
201 static void noop_delete_state(struct pipe_context *ctx, void *state)
206 static void noop_delete_vertex_element(struct pipe_context *ctx, void *state)
212 static void noop_set_index_buffer(struct pipe_context *ctx,
213 const struct pipe_index_buffer *ib)
217 static void noop_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
218 const struct pipe_vertex_buffer *buffers)
222 static void *noop_create_vertex_elements(struct pipe_context *ctx,
224 const struct pipe_vertex_element *state)
226 struct pipe_vertex_element *nstate = CALLOC_STRUCT(pipe_vertex_element);
228 if (nstate == NULL) {
235 static void *noop_create_shader_state(struct pipe_context *ctx,
236 const struct pipe_shader_state *state)
238 struct pipe_shader_state *nstate = CALLOC_STRUCT(pipe_shader_state);
240 if (nstate == NULL) {
247 void noop_init_state_functions(struct pipe_context *ctx);
249 void noop_init_state_functions(struct pipe_context *ctx)
251 ctx->create_blend_state = noop_create_blend_state;
252 ctx->create_depth_stencil_alpha_state = noop_create_dsa_state;
253 ctx->create_fs_state = noop_create_shader_state;
254 ctx->create_rasterizer_state = noop_create_rs_state;
255 ctx->create_sampler_state = noop_create_sampler_state;
256 ctx->create_sampler_view = noop_create_sampler_view;
257 ctx->create_surface = noop_create_surface;
258 ctx->create_vertex_elements_state = noop_create_vertex_elements;
259 ctx->create_vs_state = noop_create_shader_state;
260 ctx->bind_blend_state = noop_bind_state;
261 ctx->bind_depth_stencil_alpha_state = noop_bind_state;
262 ctx->bind_fragment_sampler_states = noop_bind_sampler;
263 ctx->bind_fs_state = noop_bind_state;
264 ctx->bind_rasterizer_state = noop_bind_state;
265 ctx->bind_vertex_elements_state = noop_bind_state;
266 ctx->bind_vertex_sampler_states = noop_bind_sampler;
267 ctx->bind_vs_state = noop_bind_state;
268 ctx->delete_blend_state = noop_delete_state;
269 ctx->delete_depth_stencil_alpha_state = noop_delete_state;
270 ctx->delete_fs_state = noop_delete_state;
271 ctx->delete_rasterizer_state = noop_delete_state;
272 ctx->delete_sampler_state = noop_delete_state;
273 ctx->delete_vertex_elements_state = noop_delete_vertex_element;
274 ctx->delete_vs_state = noop_delete_state;
275 ctx->set_blend_color = noop_set_blend_color;
276 ctx->set_clip_state = noop_set_clip_state;
277 ctx->set_constant_buffer = noop_set_constant_buffer;
278 ctx->set_fragment_sampler_views = noop_set_ps_sampler_view;
279 ctx->set_framebuffer_state = noop_set_framebuffer_state;
280 ctx->set_polygon_stipple = noop_set_polygon_stipple;
281 ctx->set_sample_mask = noop_set_sample_mask;
282 ctx->set_scissor_state = noop_set_scissor_state;
283 ctx->set_stencil_ref = noop_set_stencil_ref;
284 ctx->set_vertex_buffers = noop_set_vertex_buffers;
285 ctx->set_index_buffer = noop_set_index_buffer;
286 ctx->set_vertex_sampler_views = noop_set_vs_sampler_view;
287 ctx->set_viewport_state = noop_set_viewport_state;
288 ctx->sampler_view_destroy = noop_sampler_view_destroy;
289 ctx->surface_destroy = noop_surface_destroy;
290 ctx->draw_vbo = noop_draw_vbo;
291 ctx->redefine_user_buffer = u_default_redefine_user_buffer;