/*
* 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_transfer.h"
static void noop_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
{
}
static void noop_set_blend_color(struct pipe_context *ctx,
const struct pipe_blend_color *state)
{
}
static void *noop_create_blend_state(struct pipe_context *ctx,
const struct pipe_blend_state *state)
{
struct pipe_blend_state *nstate = CALLOC_STRUCT(pipe_blend_state);
if (nstate == NULL) {
return NULL;
}
*nstate = *state;
return nstate;
}
static void *noop_create_dsa_state(struct pipe_context *ctx,
const struct pipe_depth_stencil_alpha_state *state)
{
struct pipe_depth_stencil_alpha_state *nstate = CALLOC_STRUCT(pipe_depth_stencil_alpha_state);
if (nstate == NULL) {
return NULL;
}
*nstate = *state;
return nstate;
}
static void *noop_create_rs_state(struct pipe_context *ctx,
const struct pipe_rasterizer_state *state)
{
struct pipe_rasterizer_state *nstate = CALLOC_STRUCT(pipe_rasterizer_state);
if (nstate == NULL) {
return NULL;
}
*nstate = *state;
return nstate;
}
static void *noop_create_sampler_state(struct pipe_context *ctx,
const struct pipe_sampler_state *state)
{
struct pipe_sampler_state *nstate = CALLOC_STRUCT(pipe_sampler_state);
if (nstate == NULL) {
return NULL;
}
*nstate = *state;
return nstate;
}
static struct pipe_sampler_view *noop_create_sampler_view(struct pipe_context *ctx,
struct pipe_resource *texture,
const struct pipe_sampler_view *state)
{
struct pipe_sampler_view *sampler_view = CALLOC_STRUCT(pipe_sampler_view);
if (sampler_view == NULL)
return NULL;
/* initialize base object */
pipe_resource_reference(&sampler_view->texture, texture);
pipe_reference_init(&sampler_view->reference, 1);
sampler_view->context = ctx;
return sampler_view;
}
static struct pipe_surface *noop_create_surface(struct pipe_context *ctx,
struct pipe_resource *texture,
const struct pipe_surface *surf_tmpl)
{
struct pipe_surface *surface = CALLOC_STRUCT(pipe_surface);
if (surface == NULL)
return NULL;
pipe_reference_init(&surface->reference, 1);
pipe_resource_reference(&surface->texture, texture);
surface->context = ctx;
surface->format = surf_tmpl->format;
surface->width = texture->width0;
surface->height = texture->height0;
surface->texture = texture;
surface->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
surface->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
surface->u.tex.level = surf_tmpl->u.tex.level;
return surface;
}
static void noop_set_sampler_views(struct pipe_context *ctx, unsigned shader,
unsigned start, unsigned count,
struct pipe_sampler_view **views)
{
}
static void noop_bind_sampler_states(struct pipe_context *ctx, unsigned shader,
unsigned start, unsigned count,
void **states)
{
}
static void noop_set_clip_state(struct pipe_context *ctx,
const struct pipe_clip_state *state)
{
}
static void noop_set_polygon_stipple(struct pipe_context *ctx,
const struct pipe_poly_stipple *state)
{
}
static void noop_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
{
}
static void noop_set_scissor_states(struct pipe_context *ctx,
unsigned start_slot,
unsigned num_scissors,
const struct pipe_scissor_state *state)
{
}
static void noop_set_stencil_ref(struct pipe_context *ctx,
const struct pipe_stencil_ref *state)
{
}
static void noop_set_viewport_states(struct pipe_context *ctx,
unsigned start_slot,
unsigned num_viewports,
const struct pipe_viewport_state *state)
{
}
static void noop_set_framebuffer_state(struct pipe_context *ctx,
const struct pipe_framebuffer_state *state)
{
}
static void noop_set_constant_buffer(struct pipe_context *ctx,
uint shader, uint index,
struct pipe_constant_buffer *cb)
{
}
static void noop_sampler_view_destroy(struct pipe_context *ctx,
struct pipe_sampler_view *state)
{
pipe_resource_reference(&state->texture, NULL);
FREE(state);
}
static void noop_surface_destroy(struct pipe_context *ctx,
struct pipe_surface *surface)
{
pipe_resource_reference(&surface->texture, NULL);
FREE(surface);
}
static void noop_bind_state(struct pipe_context *ctx, void *state)
{
}
static void noop_delete_state(struct pipe_context *ctx, void *state)
{
FREE(state);
}
static void noop_delete_vertex_element(struct pipe_context *ctx, void *state)
{
FREE(state);
}
static void noop_set_index_buffer(struct pipe_context *ctx,
const struct pipe_index_buffer *ib)
{
}
static void noop_set_vertex_buffers(struct pipe_context *ctx,
unsigned start_slot, unsigned count,
const struct pipe_vertex_buffer *buffers)
{
}
static void *noop_create_vertex_elements(struct pipe_context *ctx,
unsigned count,
const struct pipe_vertex_element *state)
{
struct pipe_vertex_element *nstate = CALLOC_STRUCT(pipe_vertex_element);
if (nstate == NULL) {
return NULL;
}
*nstate = *state;
return nstate;
}
static void *noop_create_shader_state(struct pipe_context *ctx,
const struct pipe_shader_state *state)
{
struct pipe_shader_state *nstate = CALLOC_STRUCT(pipe_shader_state);
if (nstate == NULL) {
return NULL;
}
*nstate = *state;
return nstate;
}
static struct pipe_stream_output_target *noop_create_stream_output_target(
struct pipe_context *ctx,
struct pipe_resource *res,
unsigned buffer_offset,
unsigned buffer_size)
{
struct pipe_stream_output_target *t = CALLOC_STRUCT(pipe_stream_output_target);
if (!t)
return NULL;
pipe_reference_init(&t->reference, 1);
pipe_resource_reference(&t->buffer, res);
t->buffer_offset = buffer_offset;
t->buffer_size = buffer_size;
return t;
}
static void noop_stream_output_target_destroy(struct pipe_context *ctx,
struct pipe_stream_output_target *t)
{
pipe_resource_reference(&t->buffer, NULL);
FREE(t);
}
static void noop_set_stream_output_targets(struct pipe_context *ctx,
unsigned num_targets,
struct pipe_stream_output_target **targets,
const unsigned *offsets)
{
}
void noop_init_state_functions(struct pipe_context *ctx);
void noop_init_state_functions(struct pipe_context *ctx)
{
ctx->create_blend_state = noop_create_blend_state;
ctx->create_depth_stencil_alpha_state = noop_create_dsa_state;
ctx->create_fs_state = noop_create_shader_state;
ctx->create_rasterizer_state = noop_create_rs_state;
ctx->create_sampler_state = noop_create_sampler_state;
ctx->create_sampler_view = noop_create_sampler_view;
ctx->create_surface = noop_create_surface;
ctx->create_vertex_elements_state = noop_create_vertex_elements;
ctx->create_vs_state = noop_create_shader_state;
ctx->bind_blend_state = noop_bind_state;
ctx->bind_depth_stencil_alpha_state = noop_bind_state;
ctx->bind_sampler_states = noop_bind_sampler_states;
ctx->bind_fs_state = noop_bind_state;
ctx->bind_rasterizer_state = noop_bind_state;
ctx->bind_vertex_elements_state = noop_bind_state;
ctx->bind_vs_state = noop_bind_state;
ctx->delete_blend_state = noop_delete_state;
ctx->delete_depth_stencil_alpha_state = noop_delete_state;
ctx->delete_fs_state = noop_delete_state;
ctx->delete_rasterizer_state = noop_delete_state;
ctx->delete_sampler_state = noop_delete_state;
ctx->delete_vertex_elements_state = noop_delete_vertex_element;
ctx->delete_vs_state = noop_delete_state;
ctx->set_blend_color = noop_set_blend_color;
ctx->set_clip_state = noop_set_clip_state;
ctx->set_constant_buffer = noop_set_constant_buffer;
ctx->set_sampler_views = noop_set_sampler_views;
ctx->set_framebuffer_state = noop_set_framebuffer_state;
ctx->set_polygon_stipple = noop_set_polygon_stipple;
ctx->set_sample_mask = noop_set_sample_mask;
ctx->set_scissor_states = noop_set_scissor_states;
ctx->set_stencil_ref = noop_set_stencil_ref;
ctx->set_vertex_buffers = noop_set_vertex_buffers;
ctx->set_index_buffer = noop_set_index_buffer;
ctx->set_viewport_states = noop_set_viewport_states;
ctx->sampler_view_destroy = noop_sampler_view_destroy;
ctx->surface_destroy = noop_surface_destroy;
ctx->draw_vbo = noop_draw_vbo;
ctx->create_stream_output_target = noop_create_stream_output_target;
ctx->stream_output_target_destroy = noop_stream_output_target_destroy;
ctx->set_stream_output_targets = noop_set_stream_output_targets;
}