84 static void init_prog(struct program *p)  in init_prog()  argument
90 	ret = pipe_loader_probe(&p->dev, 1);  in init_prog()
94 	p->screen = pipe_loader_create_screen(p->dev);  in init_prog()
95 	assert(p->screen);  in init_prog()
98 	p->pipe = p->screen->context_create(p->screen, NULL, 0);  in init_prog()
99 	p->cso = cso_create_context(p->pipe, 0);  in init_prog()
102 	p->clear_color.f[0] = 0.3;  in init_prog()
103 	p->clear_color.f[1] = 0.1;  in init_prog()
104 	p->clear_color.f[2] = 0.3;  in init_prog()
105 	p->clear_color.f[3] = 1.0;  in init_prog()
124 		p->vbuf = pipe_buffer_create(p->screen, PIPE_BIND_VERTEX_BUFFER,  in init_prog()
126 		pipe_buffer_write(p->pipe, p->vbuf, 0, sizeof(vertices), vertices);  in init_prog()
142 		p->target = p->screen->resource_create(p->screen, &tmplt);  in init_prog()
146 	memset(&p->blend, 0, sizeof(p->blend));  in init_prog()
147 	p->blend.rt[0].colormask = PIPE_MASK_RGBA;  in init_prog()
150 	memset(&p->depthstencil, 0, sizeof(p->depthstencil));  in init_prog()
153 	memset(&p->rasterizer, 0, sizeof(p->rasterizer));  in init_prog()
154 	p->rasterizer.cull_face = PIPE_FACE_NONE;  in init_prog()
155 	p->rasterizer.half_pixel_center = 1;  in init_prog()
156 	p->rasterizer.bottom_edge_rule = 1;  in init_prog()
157 	p->rasterizer.depth_clip = 1;  in init_prog()
164 	memset(&p->framebuffer, 0, sizeof(p->framebuffer));  in init_prog()
165 	p->framebuffer.width = WIDTH;  in init_prog()
166 	p->framebuffer.height = HEIGHT;  in init_prog()
167 	p->framebuffer.nr_cbufs = 1;  in init_prog()
168 	p->framebuffer.cbufs[0] = p->pipe->create_surface(p->pipe, p->target, &surf_tmpl);  in init_prog()
188 		p->viewport.scale[0] = half_width;  in init_prog()
189 		p->viewport.scale[1] = half_height * scale;  in init_prog()
190 		p->viewport.scale[2] = half_depth;  in init_prog()
192 		p->viewport.translate[0] = half_width + x;  in init_prog()
193 		p->viewport.translate[1] = (half_height + y) * scale + bias;  in init_prog()
194 		p->viewport.translate[2] = half_depth + z;  in init_prog()
198 	memset(p->velem, 0, sizeof(p->velem));  in init_prog()
199 	p->velem[0].src_offset = 0 * 4 * sizeof(float); /* offset 0, first element */  in init_prog()
200 	p->velem[0].instance_divisor = 0;  in init_prog()
201 	p->velem[0].vertex_buffer_index = 0;  in init_prog()
202 	p->velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;  in init_prog()
204 	p->velem[1].src_offset = 1 * 4 * sizeof(float); /* offset 16, second element */  in init_prog()
205 	p->velem[1].instance_divisor = 0;  in init_prog()
206 	p->velem[1].vertex_buffer_index = 0;  in init_prog()
207 	p->velem[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;  in init_prog()
214 			p->vs = util_make_vertex_passthrough_shader(p->pipe, 2, semantic_names, semantic_indexes, FALSE);  in init_prog()
218 	p->fs = util_make_fragment_passthrough_shader(p->pipe,  in init_prog()
222 static void close_prog(struct program *p)  in close_prog()  argument
224 	cso_destroy_context(p->cso);  in close_prog()
226 	p->pipe->delete_vs_state(p->pipe, p->vs);  in close_prog()
227 	p->pipe->delete_fs_state(p->pipe, p->fs);  in close_prog()
229 	pipe_surface_reference(&p->framebuffer.cbufs[0], NULL);  in close_prog()
230 	pipe_resource_reference(&p->target, NULL);  in close_prog()
231 	pipe_resource_reference(&p->vbuf, NULL);  in close_prog()
233 	p->pipe->destroy(p->pipe);  in close_prog()
234 	p->screen->destroy(p->screen);  in close_prog()
235 	pipe_loader_release(&p->dev, 1);  in close_prog()
237 	FREE(p);  in close_prog()
240 static void draw(struct program *p)  in draw()  argument
243 	cso_set_framebuffer(p->cso, &p->framebuffer);  in draw()
246 	p->pipe->clear(p->pipe, PIPE_CLEAR_COLOR, &p->clear_color, 0, 0);  in draw()
249 	cso_set_blend(p->cso, &p->blend);  in draw()
250 	cso_set_depth_stencil_alpha(p->cso, &p->depthstencil);  in draw()
251 	cso_set_rasterizer(p->cso, &p->rasterizer);  in draw()
252 	cso_set_viewport(p->cso, &p->viewport);  in draw()
255 	cso_set_fragment_shader_handle(p->cso, p->fs);  in draw()
256 	cso_set_vertex_shader_handle(p->cso, p->vs);  in draw()
259 	cso_set_vertex_elements(p->cso, 2, p->velem);  in draw()
261 	util_draw_vertex_buffer(p->pipe, p->cso,  in draw()
262 	                        p->vbuf, 0, 0,  in draw()
267         p->pipe->flush(p->pipe, NULL, 0);  in draw()
269 	debug_dump_surface_bmp(p->pipe, "result.bmp", p->framebuffer.cbufs[0]);  in draw()
274 	struct program *p = CALLOC_STRUCT(program);  in main()  local
276 	init_prog(p);  in main()
277 	draw(p);  in main()
278 	close_prog(p);  in main()