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
25 #include "pipe/p_state.h"
26 #include "util/u_inlines.h"
27 #include "util/u_math.h"
28 #include "util/u_memory.h"
29 #include "util/u_helpers.h"
31 #include "vc4_context.h"
34 vc4_generic_cso_state_create(const void *src
, uint32_t size
)
36 void *dst
= calloc(1, size
);
39 memcpy(dst
, src
, size
);
44 vc4_generic_cso_state_delete(struct pipe_context
*pctx
, void *hwcso
)
50 vc4_set_blend_color(struct pipe_context
*pctx
,
51 const struct pipe_blend_color
*blend_color
)
53 struct vc4_context
*vc4
= vc4_context(pctx
);
54 vc4
->blend_color
= *blend_color
;
55 vc4
->dirty
|= VC4_DIRTY_BLEND_COLOR
;
59 vc4_set_stencil_ref(struct pipe_context
*pctx
,
60 const struct pipe_stencil_ref
*stencil_ref
)
62 struct vc4_context
*vc4
= vc4_context(pctx
);
63 vc4
->stencil_ref
=* stencil_ref
;
64 vc4
->dirty
|= VC4_DIRTY_STENCIL_REF
;
68 vc4_set_clip_state(struct pipe_context
*pctx
,
69 const struct pipe_clip_state
*clip
)
71 fprintf(stderr
, "clip todo\n");
75 vc4_set_sample_mask(struct pipe_context
*pctx
, unsigned sample_mask
)
77 struct vc4_context
*vc4
= vc4_context(pctx
);
78 vc4
->sample_mask
= (uint16_t)sample_mask
;
79 vc4
->dirty
|= VC4_DIRTY_SAMPLE_MASK
;
83 vc4_create_rasterizer_state(struct pipe_context
*pctx
,
84 const struct pipe_rasterizer_state
*cso
)
86 struct vc4_rasterizer_state
*so
;
88 so
= CALLOC_STRUCT(vc4_rasterizer_state
);
94 if (!(cso
->cull_face
& PIPE_FACE_FRONT
))
95 so
->config_bits
[0] |= VC4_CONFIG_BITS_ENABLE_PRIM_FRONT
;
96 if (!(cso
->cull_face
& PIPE_FACE_BACK
))
97 so
->config_bits
[0] |= VC4_CONFIG_BITS_ENABLE_PRIM_BACK
;
100 so
->point_size
= cso
->point_size
;
103 so
->config_bits
[0] |= VC4_CONFIG_BITS_CW_PRIMITIVES
;
106 so
->config_bits
[0] |= VC4_CONFIG_BITS_ENABLE_DEPTH_OFFSET
;
111 /* Blend state is baked into shaders. */
113 vc4_create_blend_state(struct pipe_context
*pctx
,
114 const struct pipe_blend_state
*cso
)
116 return vc4_generic_cso_state_create(cso
, sizeof(*cso
));
120 vc4_create_depth_stencil_alpha_state(struct pipe_context
*pctx
,
121 const struct pipe_depth_stencil_alpha_state
*cso
)
123 struct vc4_depth_stencil_alpha_state
*so
;
125 so
= CALLOC_STRUCT(vc4_depth_stencil_alpha_state
);
131 if (cso
->depth
.enabled
) {
132 if (cso
->depth
.writemask
) {
133 so
->config_bits
[1] |= VC4_CONFIG_BITS_Z_UPDATE
;
135 so
->config_bits
[1] |= (cso
->depth
.func
<<
136 VC4_CONFIG_BITS_DEPTH_FUNC_SHIFT
);
138 so
->config_bits
[1] |= (PIPE_FUNC_ALWAYS
<<
139 VC4_CONFIG_BITS_DEPTH_FUNC_SHIFT
);
146 vc4_set_polygon_stipple(struct pipe_context
*pctx
,
147 const struct pipe_poly_stipple
*stipple
)
149 struct vc4_context
*vc4
= vc4_context(pctx
);
150 vc4
->stipple
= *stipple
;
151 vc4
->dirty
|= VC4_DIRTY_STIPPLE
;
155 vc4_set_scissor_states(struct pipe_context
*pctx
,
157 unsigned num_scissors
,
158 const struct pipe_scissor_state
*scissor
)
160 struct vc4_context
*vc4
= vc4_context(pctx
);
162 vc4
->scissor
= *scissor
;
163 vc4
->dirty
|= VC4_DIRTY_SCISSOR
;
167 vc4_set_viewport_states(struct pipe_context
*pctx
,
169 unsigned num_viewports
,
170 const struct pipe_viewport_state
*viewport
)
172 struct vc4_context
*vc4
= vc4_context(pctx
);
173 vc4
->viewport
= *viewport
;
174 vc4
->dirty
|= VC4_DIRTY_VIEWPORT
;
178 vc4_set_vertex_buffers(struct pipe_context
*pctx
,
179 unsigned start_slot
, unsigned count
,
180 const struct pipe_vertex_buffer
*vb
)
182 struct vc4_context
*vc4
= vc4_context(pctx
);
183 struct vc4_vertexbuf_stateobj
*so
= &vc4
->vertexbuf
;
185 util_set_vertex_buffers_mask(so
->vb
, &so
->enabled_mask
, vb
,
187 so
->count
= util_last_bit(so
->enabled_mask
);
189 vc4
->dirty
|= VC4_DIRTY_VTXBUF
;
193 vc4_set_index_buffer(struct pipe_context
*pctx
,
194 const struct pipe_index_buffer
*ib
)
196 struct vc4_context
*vc4
= vc4_context(pctx
);
199 pipe_resource_reference(&vc4
->indexbuf
.buffer
, ib
->buffer
);
200 vc4
->indexbuf
.index_size
= ib
->index_size
;
201 vc4
->indexbuf
.offset
= ib
->offset
;
202 vc4
->indexbuf
.user_buffer
= ib
->user_buffer
;
204 pipe_resource_reference(&vc4
->indexbuf
.buffer
, NULL
);
207 vc4
->dirty
|= VC4_DIRTY_INDEXBUF
;
211 vc4_blend_state_bind(struct pipe_context
*pctx
, void *hwcso
)
213 struct vc4_context
*vc4
= vc4_context(pctx
);
215 vc4
->dirty
|= VC4_DIRTY_BLEND
;
219 vc4_rasterizer_state_bind(struct pipe_context
*pctx
, void *hwcso
)
221 struct vc4_context
*vc4
= vc4_context(pctx
);
222 vc4
->rasterizer
= hwcso
;
223 vc4
->dirty
|= VC4_DIRTY_RASTERIZER
;
227 vc4_zsa_state_bind(struct pipe_context
*pctx
, void *hwcso
)
229 struct vc4_context
*vc4
= vc4_context(pctx
);
231 vc4
->dirty
|= VC4_DIRTY_ZSA
;
235 vc4_vertex_state_create(struct pipe_context
*pctx
, unsigned num_elements
,
236 const struct pipe_vertex_element
*elements
)
238 struct vc4_vertex_stateobj
*so
= CALLOC_STRUCT(vc4_vertex_stateobj
);
243 memcpy(so
->pipe
, elements
, sizeof(*elements
) * num_elements
);
244 so
->num_elements
= num_elements
;
250 vc4_vertex_state_bind(struct pipe_context
*pctx
, void *hwcso
)
252 struct vc4_context
*vc4
= vc4_context(pctx
);
254 vc4
->dirty
|= VC4_DIRTY_VTXSTATE
;
258 vc4_set_constant_buffer(struct pipe_context
*pctx
, uint shader
, uint index
,
259 struct pipe_constant_buffer
*cb
)
261 struct vc4_context
*vc4
= vc4_context(pctx
);
262 struct vc4_constbuf_stateobj
*so
= &vc4
->constbuf
[shader
];
266 /* Note that the state tracker can unbind constant buffers by
270 so
->enabled_mask
&= ~(1 << index
);
271 so
->dirty_mask
&= ~(1 << index
);
276 so
->cb
[index
].buffer_offset
= cb
->buffer_offset
;
277 so
->cb
[index
].buffer_size
= cb
->buffer_size
;
278 so
->cb
[index
].user_buffer
= cb
->user_buffer
;
280 so
->enabled_mask
|= 1 << index
;
281 so
->dirty_mask
|= 1 << index
;
282 vc4
->dirty
|= VC4_DIRTY_CONSTBUF
;
286 vc4_set_framebuffer_state(struct pipe_context
*pctx
,
287 const struct pipe_framebuffer_state
*framebuffer
)
289 struct vc4_context
*vc4
= vc4_context(pctx
);
290 struct pipe_framebuffer_state
*cso
= &vc4
->framebuffer
;
295 for (i
= 0; i
< framebuffer
->nr_cbufs
; i
++)
296 pipe_surface_reference(&cso
->cbufs
[i
], framebuffer
->cbufs
[i
]);
297 for (; i
< vc4
->framebuffer
.nr_cbufs
; i
++)
298 pipe_surface_reference(&cso
->cbufs
[i
], NULL
);
300 cso
->nr_cbufs
= framebuffer
->nr_cbufs
;
302 cso
->width
= framebuffer
->width
;
303 cso
->height
= framebuffer
->height
;
305 pipe_surface_reference(&cso
->zsbuf
, framebuffer
->zsbuf
);
307 vc4
->dirty
|= VC4_DIRTY_FRAMEBUFFER
;
310 static struct vc4_texture_stateobj
*
311 vc4_get_stage_tex(struct vc4_context
*vc4
, unsigned shader
)
313 vc4
->dirty
|= VC4_DIRTY_TEXSTATE
;
316 case PIPE_SHADER_FRAGMENT
:
317 vc4
->dirty
|= VC4_DIRTY_FRAGTEX
;
318 return &vc4
->fragtex
;
320 case PIPE_SHADER_VERTEX
:
321 vc4
->dirty
|= VC4_DIRTY_VERTTEX
;
322 return &vc4
->verttex
;
325 fprintf(stderr
, "Unknown shader target %d\n", shader
);
331 vc4_create_sampler_state(struct pipe_context
*pctx
,
332 const struct pipe_sampler_state
*cso
)
334 return vc4_generic_cso_state_create(cso
, sizeof(*cso
));
338 vc4_sampler_states_bind(struct pipe_context
*pctx
,
339 unsigned shader
, unsigned start
,
340 unsigned nr
, void **hwcso
)
342 struct vc4_context
*vc4
= vc4_context(pctx
);
343 struct vc4_texture_stateobj
*stage_tex
= vc4_get_stage_tex(vc4
, shader
);
349 for (i
= 0; i
< nr
; i
++) {
352 stage_tex
->samplers
[i
] = hwcso
[i
];
353 stage_tex
->dirty_samplers
|= (1 << i
);
356 for (; i
< stage_tex
->num_samplers
; i
++) {
357 stage_tex
->samplers
[i
] = NULL
;
358 stage_tex
->dirty_samplers
|= (1 << i
);
361 stage_tex
->num_samplers
= new_nr
;
364 static struct pipe_sampler_view
*
365 vc4_create_sampler_view(struct pipe_context
*pctx
, struct pipe_resource
*prsc
,
366 const struct pipe_sampler_view
*cso
)
368 struct pipe_sampler_view
*so
= malloc(sizeof(*so
));
374 pipe_reference(NULL
, &prsc
->reference
);
376 so
->reference
.count
= 1;
383 vc4_sampler_view_destroy(struct pipe_context
*pctx
,
384 struct pipe_sampler_view
*view
)
386 pipe_resource_reference(&view
->texture
, NULL
);
391 vc4_set_sampler_views(struct pipe_context
*pctx
, unsigned shader
,
392 unsigned start
, unsigned nr
,
393 struct pipe_sampler_view
**views
)
395 struct vc4_context
*vc4
= vc4_context(pctx
);
396 struct vc4_texture_stateobj
*stage_tex
= vc4_get_stage_tex(vc4
, shader
);
402 vc4
->dirty
|= VC4_DIRTY_TEXSTATE
;
404 for (i
= 0; i
< nr
; i
++) {
407 pipe_sampler_view_reference(&stage_tex
->textures
[i
], views
[i
]);
408 stage_tex
->dirty_samplers
|= (1 << i
);
411 for (; i
< stage_tex
->num_textures
; i
++) {
412 pipe_sampler_view_reference(&stage_tex
->textures
[i
], NULL
);
413 stage_tex
->dirty_samplers
|= (1 << i
);
416 stage_tex
->num_textures
= new_nr
;
420 vc4_state_init(struct pipe_context
*pctx
)
422 pctx
->set_blend_color
= vc4_set_blend_color
;
423 pctx
->set_stencil_ref
= vc4_set_stencil_ref
;
424 pctx
->set_clip_state
= vc4_set_clip_state
;
425 pctx
->set_sample_mask
= vc4_set_sample_mask
;
426 pctx
->set_constant_buffer
= vc4_set_constant_buffer
;
427 pctx
->set_framebuffer_state
= vc4_set_framebuffer_state
;
428 pctx
->set_polygon_stipple
= vc4_set_polygon_stipple
;
429 pctx
->set_scissor_states
= vc4_set_scissor_states
;
430 pctx
->set_viewport_states
= vc4_set_viewport_states
;
432 pctx
->set_vertex_buffers
= vc4_set_vertex_buffers
;
433 pctx
->set_index_buffer
= vc4_set_index_buffer
;
435 pctx
->create_blend_state
= vc4_create_blend_state
;
436 pctx
->bind_blend_state
= vc4_blend_state_bind
;
437 pctx
->delete_blend_state
= vc4_generic_cso_state_delete
;
439 pctx
->create_rasterizer_state
= vc4_create_rasterizer_state
;
440 pctx
->bind_rasterizer_state
= vc4_rasterizer_state_bind
;
441 pctx
->delete_rasterizer_state
= vc4_generic_cso_state_delete
;
443 pctx
->create_depth_stencil_alpha_state
= vc4_create_depth_stencil_alpha_state
;
444 pctx
->bind_depth_stencil_alpha_state
= vc4_zsa_state_bind
;
445 pctx
->delete_depth_stencil_alpha_state
= vc4_generic_cso_state_delete
;
447 pctx
->create_vertex_elements_state
= vc4_vertex_state_create
;
448 pctx
->delete_vertex_elements_state
= vc4_generic_cso_state_delete
;
449 pctx
->bind_vertex_elements_state
= vc4_vertex_state_bind
;
451 pctx
->create_sampler_state
= vc4_create_sampler_state
;
452 pctx
->delete_sampler_state
= vc4_generic_cso_state_delete
;
453 pctx
->bind_sampler_states
= vc4_sampler_states_bind
;
455 pctx
->create_sampler_view
= vc4_create_sampler_view
;
456 pctx
->sampler_view_destroy
= vc4_sampler_view_destroy
;
457 pctx
->set_sampler_views
= vc4_set_sampler_views
;