diff options
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_state.c')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_state.c | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_state.c b/src/gallium/drivers/vc4/vc4_state.c new file mode 100644 index 00000000000..6ad7eea8f24 --- /dev/null +++ b/src/gallium/drivers/vc4/vc4_state.c @@ -0,0 +1,444 @@ +/* + * Copyright © 2014 Broadcom + * Copyright (C) 2012 Rob Clark <[email protected]> + * + * 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 + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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 "pipe/p_state.h" +#include "util/u_inlines.h" +#include "util/u_math.h" +#include "util/u_memory.h" +#include "util/u_helpers.h" + +#include "vc4_context.h" + +static void * +vc4_generic_cso_state_create(const void *src, uint32_t size) +{ + void *dst = calloc(1, size); + if (!dst) + return NULL; + memcpy(dst, src, size); + return dst; +} + +static void +vc4_generic_cso_state_delete(struct pipe_context *pctx, void *hwcso) +{ + free(hwcso); +} + +static void +vc4_set_blend_color(struct pipe_context *pctx, + const struct pipe_blend_color *blend_color) +{ + struct vc4_context *vc4 = vc4_context(pctx); + vc4->blend_color = *blend_color; + vc4->dirty |= VC4_DIRTY_BLEND_COLOR; +} + +static void +vc4_set_stencil_ref(struct pipe_context *pctx, + const struct pipe_stencil_ref *stencil_ref) +{ + struct vc4_context *vc4 = vc4_context(pctx); + vc4->stencil_ref =* stencil_ref; + vc4->dirty |= VC4_DIRTY_STENCIL_REF; +} + +static void +vc4_set_clip_state(struct pipe_context *pctx, + const struct pipe_clip_state *clip) +{ + fprintf(stderr, "clip todo\n"); +} + +static void +vc4_set_sample_mask(struct pipe_context *pctx, unsigned sample_mask) +{ + struct vc4_context *vc4 = vc4_context(pctx); + vc4->sample_mask = (uint16_t)sample_mask; + vc4->dirty |= VC4_DIRTY_SAMPLE_MASK; +} + +static void * +vc4_create_rasterizer_state(struct pipe_context *pctx, + const struct pipe_rasterizer_state *cso) +{ + struct vc4_rasterizer_state *so; + + so = CALLOC_STRUCT(vc4_rasterizer_state); + if (!so) + return NULL; + + so->base = *cso; + + if (!(cso->cull_face & PIPE_FACE_FRONT)) + so->config_bits[0] |= VC4_CONFIG_BITS_ENABLE_PRIM_FRONT; + if (!(cso->cull_face & PIPE_FACE_BACK)) + so->config_bits[0] |= VC4_CONFIG_BITS_ENABLE_PRIM_BACK; + + /* XXX: per_vertex */ + so->point_size = cso->point_size; + + if (!cso->front_ccw) + so->config_bits[0] |= VC4_CONFIG_BITS_CW_PRIMITIVES; + + if (cso->offset_tri) + so->config_bits[0] |= VC4_CONFIG_BITS_ENABLE_DEPTH_OFFSET; + + so->config_bits[2] |= VC4_CONFIG_BITS_EARLY_Z_UPDATE; + + return so; +} + +/* Blend state is baked into shaders. */ +static void * +vc4_create_blend_state(struct pipe_context *pctx, + const struct pipe_blend_state *cso) +{ + return vc4_generic_cso_state_create(cso, sizeof(*cso)); +} + +static void * +vc4_create_depth_stencil_alpha_state(struct pipe_context *pctx, + const struct pipe_depth_stencil_alpha_state *cso) +{ + return vc4_generic_cso_state_create(cso, sizeof(*cso)); +} + +static void +vc4_set_polygon_stipple(struct pipe_context *pctx, + const struct pipe_poly_stipple *stipple) +{ + struct vc4_context *vc4 = vc4_context(pctx); + vc4->stipple = *stipple; + vc4->dirty |= VC4_DIRTY_STIPPLE; +} + +static void +vc4_set_scissor_states(struct pipe_context *pctx, + unsigned start_slot, + unsigned num_scissors, + const struct pipe_scissor_state *scissor) +{ + struct vc4_context *vc4 = vc4_context(pctx); + + vc4->scissor = *scissor; + vc4->dirty |= VC4_DIRTY_SCISSOR; +} + +static void +vc4_set_viewport_states(struct pipe_context *pctx, + unsigned start_slot, + unsigned num_viewports, + const struct pipe_viewport_state *viewport) +{ + struct vc4_context *vc4 = vc4_context(pctx); + vc4->viewport = *viewport; + vc4->dirty |= VC4_DIRTY_VIEWPORT; +} + +static void +vc4_set_vertex_buffers(struct pipe_context *pctx, + unsigned start_slot, unsigned count, + const struct pipe_vertex_buffer *vb) +{ + struct vc4_context *vc4 = vc4_context(pctx); + struct vc4_vertexbuf_stateobj *so = &vc4->vertexbuf; + + util_set_vertex_buffers_mask(so->vb, &so->enabled_mask, vb, + start_slot, count); + so->count = util_last_bit(so->enabled_mask); + + vc4->dirty |= VC4_DIRTY_VTXBUF; +} + +static void +vc4_set_index_buffer(struct pipe_context *pctx, + const struct pipe_index_buffer *ib) +{ + struct vc4_context *vc4 = vc4_context(pctx); + + if (ib) { + pipe_resource_reference(&vc4->indexbuf.buffer, ib->buffer); + vc4->indexbuf.index_size = ib->index_size; + vc4->indexbuf.offset = ib->offset; + vc4->indexbuf.user_buffer = ib->user_buffer; + } else { + pipe_resource_reference(&vc4->indexbuf.buffer, NULL); + } + + vc4->dirty |= VC4_DIRTY_INDEXBUF; +} + +static void +vc4_blend_state_bind(struct pipe_context *pctx, void *hwcso) +{ + struct vc4_context *vc4 = vc4_context(pctx); + vc4->blend = hwcso; + vc4->dirty |= VC4_DIRTY_BLEND; +} + +static void +vc4_rasterizer_state_bind(struct pipe_context *pctx, void *hwcso) +{ + struct vc4_context *vc4 = vc4_context(pctx); + vc4->rasterizer = hwcso; + vc4->dirty |= VC4_DIRTY_RASTERIZER; +} + +static void +vc4_zsa_state_bind(struct pipe_context *pctx, void *hwcso) +{ + struct vc4_context *vc4 = vc4_context(pctx); + vc4->zsa = hwcso; + vc4->dirty |= VC4_DIRTY_ZSA; +} + +static void * +vc4_vertex_state_create(struct pipe_context *pctx, unsigned num_elements, + const struct pipe_vertex_element *elements) +{ + struct vc4_vertex_stateobj *so = CALLOC_STRUCT(vc4_vertex_stateobj); + + if (!so) + return NULL; + + memcpy(so->pipe, elements, sizeof(*elements) * num_elements); + so->num_elements = num_elements; + + return so; +} + +static void +vc4_vertex_state_bind(struct pipe_context *pctx, void *hwcso) +{ + struct vc4_context *vc4 = vc4_context(pctx); + vc4->vtx = hwcso; + vc4->dirty |= VC4_DIRTY_VTXSTATE; +} + +static void +vc4_set_constant_buffer(struct pipe_context *pctx, uint shader, uint index, + struct pipe_constant_buffer *cb) +{ + struct vc4_context *vc4 = vc4_context(pctx); + struct vc4_constbuf_stateobj *so = &vc4->constbuf[shader]; + + assert(index == 0); + + /* Note that the state tracker can unbind constant buffers by + * passing NULL here. + */ + if (unlikely(!cb)) { + so->enabled_mask &= ~(1 << index); + so->dirty_mask &= ~(1 << index); + pipe_resource_reference(&so->cb[index].buffer, NULL); + return; + } + + pipe_resource_reference(&so->cb[index].buffer, cb->buffer); + so->cb[index].buffer_offset = cb->buffer_offset; + so->cb[index].buffer_size = cb->buffer_size; + so->cb[index].user_buffer = cb->user_buffer; + + so->enabled_mask |= 1 << index; + so->dirty_mask |= 1 << index; + vc4->dirty |= VC4_DIRTY_CONSTBUF; +} + +static void +vc4_set_framebuffer_state(struct pipe_context *pctx, + const struct pipe_framebuffer_state *framebuffer) +{ + struct vc4_context *vc4 = vc4_context(pctx); + struct pipe_framebuffer_state *cso = &vc4->framebuffer; + unsigned i; + + vc4_flush(pctx); + + for (i = 0; i < framebuffer->nr_cbufs; i++) + pipe_surface_reference(&cso->cbufs[i], framebuffer->cbufs[i]); + for (; i < vc4->framebuffer.nr_cbufs; i++) + pipe_surface_reference(&cso->cbufs[i], NULL); + + cso->nr_cbufs = framebuffer->nr_cbufs; + + cso->width = framebuffer->width; + cso->height = framebuffer->height; + + pipe_surface_reference(&cso->zsbuf, framebuffer->zsbuf); + + vc4->dirty |= VC4_DIRTY_FRAMEBUFFER; +} + +static struct vc4_texture_stateobj * +vc4_get_stage_tex(struct vc4_context *vc4, unsigned shader) +{ + vc4->dirty |= VC4_DIRTY_TEXSTATE; + + switch (shader) { + case PIPE_SHADER_FRAGMENT: + vc4->dirty |= VC4_DIRTY_FRAGTEX; + return &vc4->fragtex; + break; + case PIPE_SHADER_VERTEX: + vc4->dirty |= VC4_DIRTY_VERTTEX; + return &vc4->verttex; + break; + default: + fprintf(stderr, "Unknown shader target %d\n", shader); + abort(); + } +} + +static void * +vc4_create_sampler_state(struct pipe_context *pctx, + const struct pipe_sampler_state *cso) +{ + return vc4_generic_cso_state_create(cso, sizeof(*cso)); +} + +static void +vc4_sampler_states_bind(struct pipe_context *pctx, + unsigned shader, unsigned start, + unsigned nr, void **hwcso) +{ + struct vc4_context *vc4 = vc4_context(pctx); + struct vc4_texture_stateobj *stage_tex = vc4_get_stage_tex(vc4, shader); + + assert(start == 0); + unsigned i; + unsigned new_nr = 0; + + for (i = 0; i < nr; i++) { + if (hwcso[i]) + new_nr = i + 1; + stage_tex->samplers[i] = hwcso[i]; + stage_tex->dirty_samplers |= (1 << i); + } + + for (; i < stage_tex->num_samplers; i++) { + stage_tex->samplers[i] = NULL; + stage_tex->dirty_samplers |= (1 << i); + } + + stage_tex->num_samplers = new_nr; +} + +static struct pipe_sampler_view * +vc4_create_sampler_view(struct pipe_context *pctx, struct pipe_resource *prsc, + const struct pipe_sampler_view *cso) +{ + struct pipe_sampler_view *so = malloc(sizeof(*so)); + + if (!so) + return NULL; + + *so = *cso; + pipe_reference(NULL, &prsc->reference); + so->texture = prsc; + so->reference.count = 1; + so->context = pctx; + + return so; +} + +static void +vc4_sampler_view_destroy(struct pipe_context *pctx, + struct pipe_sampler_view *view) +{ + pipe_resource_reference(&view->texture, NULL); + free(view); +} + +static void +vc4_set_sampler_views(struct pipe_context *pctx, unsigned shader, + unsigned start, unsigned nr, + struct pipe_sampler_view **views) +{ + struct vc4_context *vc4 = vc4_context(pctx); + struct vc4_texture_stateobj *stage_tex = vc4_get_stage_tex(vc4, shader); + unsigned i; + unsigned new_nr = 0; + + assert(start == 0); + + vc4->dirty |= VC4_DIRTY_TEXSTATE; + + for (i = 0; i < nr; i++) { + if (views[i]) + new_nr = i + 1; + pipe_sampler_view_reference(&stage_tex->textures[i], views[i]); + stage_tex->dirty_samplers |= (1 << i); + } + + for (; i < stage_tex->num_textures; i++) { + pipe_sampler_view_reference(&stage_tex->textures[i], NULL); + stage_tex->dirty_samplers |= (1 << i); + } + + stage_tex->num_textures = new_nr; +} + +void +vc4_state_init(struct pipe_context *pctx) +{ + pctx->set_blend_color = vc4_set_blend_color; + pctx->set_stencil_ref = vc4_set_stencil_ref; + pctx->set_clip_state = vc4_set_clip_state; + pctx->set_sample_mask = vc4_set_sample_mask; + pctx->set_constant_buffer = vc4_set_constant_buffer; + pctx->set_framebuffer_state = vc4_set_framebuffer_state; + pctx->set_polygon_stipple = vc4_set_polygon_stipple; + pctx->set_scissor_states = vc4_set_scissor_states; + pctx->set_viewport_states = vc4_set_viewport_states; + + pctx->set_vertex_buffers = vc4_set_vertex_buffers; + pctx->set_index_buffer = vc4_set_index_buffer; + + pctx->create_blend_state = vc4_create_blend_state; + pctx->bind_blend_state = vc4_blend_state_bind; + pctx->delete_blend_state = vc4_generic_cso_state_delete; + + pctx->create_rasterizer_state = vc4_create_rasterizer_state; + pctx->bind_rasterizer_state = vc4_rasterizer_state_bind; + pctx->delete_rasterizer_state = vc4_generic_cso_state_delete; + + pctx->create_depth_stencil_alpha_state = vc4_create_depth_stencil_alpha_state; + pctx->bind_depth_stencil_alpha_state = vc4_zsa_state_bind; + pctx->delete_depth_stencil_alpha_state = vc4_generic_cso_state_delete; + + pctx->create_vertex_elements_state = vc4_vertex_state_create; + pctx->delete_vertex_elements_state = vc4_generic_cso_state_delete; + pctx->bind_vertex_elements_state = vc4_vertex_state_bind; + + pctx->create_sampler_state = vc4_create_sampler_state; + pctx->delete_sampler_state = vc4_generic_cso_state_delete; + pctx->bind_sampler_states = vc4_sampler_states_bind; + + pctx->create_sampler_view = vc4_create_sampler_view; + pctx->sampler_view_destroy = vc4_sampler_view_destroy; + pctx->set_sampler_views = vc4_set_sampler_views; +} |