2 * Copyright © 2014 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
27 #include "pipe/p_state.h"
28 #include "util/u_inlines.h"
29 #include "util/u_math.h"
30 #include "util/u_memory.h"
31 #include "util/u_helpers.h"
33 #include "vc4_context.h"
36 vc4_generic_cso_state_create(const void *src
, uint32_t size
)
38 void *dst
= calloc(1, size
);
41 memcpy(dst
, src
, size
);
46 vc4_generic_cso_state_delete(struct pipe_context
*pctx
, void *hwcso
)
52 vc4_set_blend_color(struct pipe_context
*pctx
,
53 const struct pipe_blend_color
*blend_color
)
55 struct vc4_context
*vc4
= vc4_context(pctx
);
56 vc4
->blend_color
= *blend_color
;
57 vc4
->dirty
|= VC4_DIRTY_BLEND_COLOR
;
61 vc4_set_stencil_ref(struct pipe_context
*pctx
,
62 const struct pipe_stencil_ref
*stencil_ref
)
64 struct vc4_context
*vc4
= vc4_context(pctx
);
65 vc4
->stencil_ref
=* stencil_ref
;
66 vc4
->dirty
|= VC4_DIRTY_STENCIL_REF
;
70 vc4_set_clip_state(struct pipe_context
*pctx
,
71 const struct pipe_clip_state
*clip
)
73 fprintf(stderr
, "clip todo\n");
77 vc4_set_sample_mask(struct pipe_context
*pctx
, unsigned sample_mask
)
79 struct vc4_context
*vc4
= vc4_context(pctx
);
80 vc4
->sample_mask
= (uint16_t)sample_mask
;
81 vc4
->dirty
|= VC4_DIRTY_SAMPLE_MASK
;
85 vc4_create_rasterizer_state(struct pipe_context
*pctx
,
86 const struct pipe_rasterizer_state
*cso
)
88 struct vc4_rasterizer_state
*so
;
90 so
= CALLOC_STRUCT(vc4_rasterizer_state
);
96 if (!(cso
->cull_face
& PIPE_FACE_FRONT
))
97 so
->config_bits
[0] |= VC4_CONFIG_BITS_ENABLE_PRIM_FRONT
;
98 if (!(cso
->cull_face
& PIPE_FACE_BACK
))
99 so
->config_bits
[0] |= VC4_CONFIG_BITS_ENABLE_PRIM_BACK
;
101 /* XXX: per_vertex */
102 so
->point_size
= cso
->point_size
;
105 so
->config_bits
[0] |= VC4_CONFIG_BITS_CW_PRIMITIVES
;
108 so
->config_bits
[0] |= VC4_CONFIG_BITS_ENABLE_DEPTH_OFFSET
;
110 so
->config_bits
[2] |= VC4_CONFIG_BITS_EARLY_Z_UPDATE
;
115 /* Blend state is baked into shaders. */
117 vc4_create_blend_state(struct pipe_context
*pctx
,
118 const struct pipe_blend_state
*cso
)
120 return vc4_generic_cso_state_create(cso
, sizeof(*cso
));
124 vc4_create_depth_stencil_alpha_state(struct pipe_context
*pctx
,
125 const struct pipe_depth_stencil_alpha_state
*cso
)
127 return vc4_generic_cso_state_create(cso
, sizeof(*cso
));
131 vc4_set_polygon_stipple(struct pipe_context
*pctx
,
132 const struct pipe_poly_stipple
*stipple
)
134 struct vc4_context
*vc4
= vc4_context(pctx
);
135 vc4
->stipple
= *stipple
;
136 vc4
->dirty
|= VC4_DIRTY_STIPPLE
;
140 vc4_set_scissor_states(struct pipe_context
*pctx
,
142 unsigned num_scissors
,
143 const struct pipe_scissor_state
*scissor
)
145 struct vc4_context
*vc4
= vc4_context(pctx
);
147 vc4
->scissor
= *scissor
;
148 vc4
->dirty
|= VC4_DIRTY_SCISSOR
;
152 vc4_set_viewport_states(struct pipe_context
*pctx
,
154 unsigned num_viewports
,
155 const struct pipe_viewport_state
*viewport
)
157 struct vc4_context
*vc4
= vc4_context(pctx
);
158 vc4
->viewport
= *viewport
;
159 vc4
->dirty
|= VC4_DIRTY_VIEWPORT
;
163 vc4_set_vertex_buffers(struct pipe_context
*pctx
,
164 unsigned start_slot
, unsigned count
,
165 const struct pipe_vertex_buffer
*vb
)
167 struct vc4_context
*vc4
= vc4_context(pctx
);
168 struct vc4_vertexbuf_stateobj
*so
= &vc4
->vertexbuf
;
170 util_set_vertex_buffers_mask(so
->vb
, &so
->enabled_mask
, vb
,
172 so
->count
= util_last_bit(so
->enabled_mask
);
174 vc4
->dirty
|= VC4_DIRTY_VTXBUF
;
178 vc4_set_index_buffer(struct pipe_context
*pctx
,
179 const struct pipe_index_buffer
*ib
)
181 struct vc4_context
*vc4
= vc4_context(pctx
);
184 pipe_resource_reference(&vc4
->indexbuf
.buffer
, ib
->buffer
);
185 vc4
->indexbuf
.index_size
= ib
->index_size
;
186 vc4
->indexbuf
.offset
= ib
->offset
;
187 vc4
->indexbuf
.user_buffer
= ib
->user_buffer
;
189 pipe_resource_reference(&vc4
->indexbuf
.buffer
, NULL
);
192 vc4
->dirty
|= VC4_DIRTY_INDEXBUF
;
196 vc4_blend_state_bind(struct pipe_context
*pctx
, void *hwcso
)
198 struct vc4_context
*vc4
= vc4_context(pctx
);
200 vc4
->dirty
|= VC4_DIRTY_BLEND
;
204 vc4_rasterizer_state_bind(struct pipe_context
*pctx
, void *hwcso
)
206 struct vc4_context
*vc4
= vc4_context(pctx
);
207 vc4
->rasterizer
= hwcso
;
208 vc4
->dirty
|= VC4_DIRTY_RASTERIZER
;
212 vc4_zsa_state_bind(struct pipe_context
*pctx
, void *hwcso
)
214 struct vc4_context
*vc4
= vc4_context(pctx
);
216 vc4
->dirty
|= VC4_DIRTY_ZSA
;
220 vc4_vertex_state_create(struct pipe_context
*pctx
, unsigned num_elements
,
221 const struct pipe_vertex_element
*elements
)
223 struct vc4_vertex_stateobj
*so
= CALLOC_STRUCT(vc4_vertex_stateobj
);
228 memcpy(so
->pipe
, elements
, sizeof(*elements
) * num_elements
);
229 so
->num_elements
= num_elements
;
235 vc4_vertex_state_bind(struct pipe_context
*pctx
, void *hwcso
)
237 struct vc4_context
*vc4
= vc4_context(pctx
);
239 vc4
->dirty
|= VC4_DIRTY_VTXSTATE
;
243 vc4_set_constant_buffer(struct pipe_context
*pctx
, uint shader
, uint index
,
244 struct pipe_constant_buffer
*cb
)
246 struct vc4_context
*vc4
= vc4_context(pctx
);
247 struct vc4_constbuf_stateobj
*so
= &vc4
->constbuf
[shader
];
251 /* Note that the state tracker can unbind constant buffers by
255 so
->enabled_mask
&= ~(1 << index
);
256 so
->dirty_mask
&= ~(1 << index
);
257 pipe_resource_reference(&so
->cb
[index
].buffer
, NULL
);
261 pipe_resource_reference(&so
->cb
[index
].buffer
, cb
->buffer
);
262 so
->cb
[index
].buffer_offset
= cb
->buffer_offset
;
263 so
->cb
[index
].buffer_size
= cb
->buffer_size
;
264 so
->cb
[index
].user_buffer
= cb
->user_buffer
;
266 so
->enabled_mask
|= 1 << index
;
267 so
->dirty_mask
|= 1 << index
;
268 vc4
->dirty
|= VC4_DIRTY_CONSTBUF
;
272 vc4_set_framebuffer_state(struct pipe_context
*pctx
,
273 const struct pipe_framebuffer_state
*framebuffer
)
275 struct vc4_context
*vc4
= vc4_context(pctx
);
276 struct pipe_framebuffer_state
*cso
= &vc4
->framebuffer
;
281 for (i
= 0; i
< framebuffer
->nr_cbufs
; i
++)
282 pipe_surface_reference(&cso
->cbufs
[i
], framebuffer
->cbufs
[i
]);
283 for (; i
< vc4
->framebuffer
.nr_cbufs
; i
++)
284 pipe_surface_reference(&cso
->cbufs
[i
], NULL
);
286 cso
->nr_cbufs
= framebuffer
->nr_cbufs
;
288 cso
->width
= framebuffer
->width
;
289 cso
->height
= framebuffer
->height
;
291 pipe_surface_reference(&cso
->zsbuf
, framebuffer
->zsbuf
);
293 vc4
->dirty
|= VC4_DIRTY_FRAMEBUFFER
;
296 static struct vc4_texture_stateobj
*
297 vc4_get_stage_tex(struct vc4_context
*vc4
, unsigned shader
)
299 vc4
->dirty
|= VC4_DIRTY_TEXSTATE
;
302 case PIPE_SHADER_FRAGMENT
:
303 vc4
->dirty
|= VC4_DIRTY_FRAGTEX
;
304 return &vc4
->fragtex
;
306 case PIPE_SHADER_VERTEX
:
307 vc4
->dirty
|= VC4_DIRTY_VERTTEX
;
308 return &vc4
->verttex
;
311 fprintf(stderr
, "Unknown shader target %d\n", shader
);
317 vc4_create_sampler_state(struct pipe_context
*pctx
,
318 const struct pipe_sampler_state
*cso
)
320 return vc4_generic_cso_state_create(cso
, sizeof(*cso
));
324 vc4_sampler_states_bind(struct pipe_context
*pctx
,
325 unsigned shader
, unsigned start
,
326 unsigned nr
, void **hwcso
)
328 struct vc4_context
*vc4
= vc4_context(pctx
);
329 struct vc4_texture_stateobj
*stage_tex
= vc4_get_stage_tex(vc4
, shader
);
335 for (i
= 0; i
< nr
; i
++) {
338 stage_tex
->samplers
[i
] = hwcso
[i
];
339 stage_tex
->dirty_samplers
|= (1 << i
);
342 for (; i
< stage_tex
->num_samplers
; i
++) {
343 stage_tex
->samplers
[i
] = NULL
;
344 stage_tex
->dirty_samplers
|= (1 << i
);
347 stage_tex
->num_samplers
= new_nr
;
350 static struct pipe_sampler_view
*
351 vc4_create_sampler_view(struct pipe_context
*pctx
, struct pipe_resource
*prsc
,
352 const struct pipe_sampler_view
*cso
)
354 struct pipe_sampler_view
*so
= malloc(sizeof(*so
));
360 pipe_reference(NULL
, &prsc
->reference
);
362 so
->reference
.count
= 1;
369 vc4_sampler_view_destroy(struct pipe_context
*pctx
,
370 struct pipe_sampler_view
*view
)
372 pipe_resource_reference(&view
->texture
, NULL
);
377 vc4_set_sampler_views(struct pipe_context
*pctx
, unsigned shader
,
378 unsigned start
, unsigned nr
,
379 struct pipe_sampler_view
**views
)
381 struct vc4_context
*vc4
= vc4_context(pctx
);
382 struct vc4_texture_stateobj
*stage_tex
= vc4_get_stage_tex(vc4
, shader
);
388 vc4
->dirty
|= VC4_DIRTY_TEXSTATE
;
390 for (i
= 0; i
< nr
; i
++) {
393 pipe_sampler_view_reference(&stage_tex
->textures
[i
], views
[i
]);
394 stage_tex
->dirty_samplers
|= (1 << i
);
397 for (; i
< stage_tex
->num_textures
; i
++) {
398 pipe_sampler_view_reference(&stage_tex
->textures
[i
], NULL
);
399 stage_tex
->dirty_samplers
|= (1 << i
);
402 stage_tex
->num_textures
= new_nr
;
406 vc4_state_init(struct pipe_context
*pctx
)
408 pctx
->set_blend_color
= vc4_set_blend_color
;
409 pctx
->set_stencil_ref
= vc4_set_stencil_ref
;
410 pctx
->set_clip_state
= vc4_set_clip_state
;
411 pctx
->set_sample_mask
= vc4_set_sample_mask
;
412 pctx
->set_constant_buffer
= vc4_set_constant_buffer
;
413 pctx
->set_framebuffer_state
= vc4_set_framebuffer_state
;
414 pctx
->set_polygon_stipple
= vc4_set_polygon_stipple
;
415 pctx
->set_scissor_states
= vc4_set_scissor_states
;
416 pctx
->set_viewport_states
= vc4_set_viewport_states
;
418 pctx
->set_vertex_buffers
= vc4_set_vertex_buffers
;
419 pctx
->set_index_buffer
= vc4_set_index_buffer
;
421 pctx
->create_blend_state
= vc4_create_blend_state
;
422 pctx
->bind_blend_state
= vc4_blend_state_bind
;
423 pctx
->delete_blend_state
= vc4_generic_cso_state_delete
;
425 pctx
->create_rasterizer_state
= vc4_create_rasterizer_state
;
426 pctx
->bind_rasterizer_state
= vc4_rasterizer_state_bind
;
427 pctx
->delete_rasterizer_state
= vc4_generic_cso_state_delete
;
429 pctx
->create_depth_stencil_alpha_state
= vc4_create_depth_stencil_alpha_state
;
430 pctx
->bind_depth_stencil_alpha_state
= vc4_zsa_state_bind
;
431 pctx
->delete_depth_stencil_alpha_state
= vc4_generic_cso_state_delete
;
433 pctx
->create_vertex_elements_state
= vc4_vertex_state_create
;
434 pctx
->delete_vertex_elements_state
= vc4_generic_cso_state_delete
;
435 pctx
->bind_vertex_elements_state
= vc4_vertex_state_bind
;
437 pctx
->create_sampler_state
= vc4_create_sampler_state
;
438 pctx
->delete_sampler_state
= vc4_generic_cso_state_delete
;
439 pctx
->bind_sampler_states
= vc4_sampler_states_bind
;
441 pctx
->create_sampler_view
= vc4_create_sampler_view
;
442 pctx
->sampler_view_destroy
= vc4_sampler_view_destroy
;
443 pctx
->set_sampler_views
= vc4_set_sampler_views
;