/* * Copyright (c) 2012-2015 Etnaviv Project * * 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, 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 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. * * Authors: * Wladimir J. van der Laan * Christian Gmeiner */ #include "etnaviv_state.h" #include "hw/common.xml.h" #include "etnaviv_clear_blit.h" #include "etnaviv_context.h" #include "etnaviv_format.h" #include "etnaviv_shader.h" #include "etnaviv_surface.h" #include "etnaviv_translate.h" #include "etnaviv_util.h" #include "util/u_helpers.h" #include "util/u_inlines.h" #include "util/u_math.h" #include "util/u_memory.h" static void etna_set_blend_color(struct pipe_context *pctx, const struct pipe_blend_color *bc) { struct etna_context *ctx = etna_context(pctx); struct compiled_blend_color *cs = &ctx->blend_color; cs->PE_ALPHA_BLEND_COLOR = VIVS_PE_ALPHA_BLEND_COLOR_R(etna_cfloat_to_uint8(bc->color[0])) | VIVS_PE_ALPHA_BLEND_COLOR_G(etna_cfloat_to_uint8(bc->color[1])) | VIVS_PE_ALPHA_BLEND_COLOR_B(etna_cfloat_to_uint8(bc->color[2])) | VIVS_PE_ALPHA_BLEND_COLOR_A(etna_cfloat_to_uint8(bc->color[3])); ctx->dirty |= ETNA_DIRTY_BLEND_COLOR; } static void etna_set_stencil_ref(struct pipe_context *pctx, const struct pipe_stencil_ref *sr) { struct etna_context *ctx = etna_context(pctx); struct compiled_stencil_ref *cs = &ctx->stencil_ref; ctx->stencil_ref_s = *sr; cs->PE_STENCIL_CONFIG = VIVS_PE_STENCIL_CONFIG_REF_FRONT(sr->ref_value[0]); /* rest of bits weaved in from depth_stencil_alpha */ cs->PE_STENCIL_CONFIG_EXT = VIVS_PE_STENCIL_CONFIG_EXT_REF_BACK(sr->ref_value[0]); ctx->dirty |= ETNA_DIRTY_STENCIL_REF; } static void etna_set_clip_state(struct pipe_context *pctx, const struct pipe_clip_state *pcs) { /* NOOP */ } static void etna_set_sample_mask(struct pipe_context *pctx, unsigned sample_mask) { struct etna_context *ctx = etna_context(pctx); ctx->sample_mask = sample_mask; ctx->dirty |= ETNA_DIRTY_SAMPLE_MASK; } static void etna_set_constant_buffer(struct pipe_context *pctx, uint shader, uint index, const struct pipe_constant_buffer *cb) { struct etna_context *ctx = etna_context(pctx); if (unlikely(index > 0)) { DBG("Unhandled buffer index %i", index); return; } util_copy_constant_buffer(&ctx->constant_buffer[shader], cb); /* Note that the state tracker can unbind constant buffers by * passing NULL here. */ if (unlikely(!cb)) return; /* there is no support for ARB_uniform_buffer_object */ assert(cb->buffer == NULL && cb->user_buffer != NULL); ctx->dirty |= ETNA_DIRTY_CONSTBUF; } static void etna_update_render_resource(struct pipe_context *pctx, struct pipe_resource *pres) { struct etna_resource *res = etna_resource(pres); if (res->texture && etna_resource_older(res, etna_resource(res->texture))) { /* The render buffer is older than the texture buffer. Copy it over. */ etna_copy_resource(pctx, pres, res->texture, 0, pres->last_level); res->seqno = etna_resource(res->texture)->seqno; } } static void etna_set_framebuffer_state(struct pipe_context *pctx, const struct pipe_framebuffer_state *sv) { struct etna_context *ctx = etna_context(pctx); struct compiled_framebuffer_state *cs = &ctx->framebuffer; int nr_samples_color = -1; int nr_samples_depth = -1; /* Set up TS as well. Warning: this state is used by both the RS and PE */ uint32_t ts_mem_config = 0; if (sv->nr_cbufs > 0) { /* at least one color buffer? */ struct etna_surface *cbuf = etna_surface(sv->cbufs[0]); struct etna_resource *res = etna_resource(cbuf->base.texture); bool color_supertiled = (res->layout & ETNA_LAYOUT_BIT_SUPER) != 0; assert(res->layout & ETNA_LAYOUT_BIT_TILE); /* Cannot render to linear surfaces */ etna_update_render_resource(pctx, cbuf->base.texture); pipe_surface_reference(&cs->cbuf, &cbuf->base); cs->PE_COLOR_FORMAT = VIVS_PE_COLOR_FORMAT_FORMAT(translate_rs_format(cbuf->base.format)) | VIVS_PE_COLOR_FORMAT_COMPONENTS__MASK | VIVS_PE_COLOR_FORMAT_OVERWRITE | COND(color_supertiled, VIVS_PE_COLOR_FORMAT_SUPER_TILED); /* VIVS_PE_COLOR_FORMAT_COMPONENTS() and * VIVS_PE_COLOR_FORMAT_OVERWRITE comes from blend_state * but only if we set the bits above. */ /* merged with depth_stencil_alpha */ if ((cbuf->surf.offset & 63) || (((cbuf->surf.stride * 4) & 63) && cbuf->surf.height > 4)) { /* XXX Must make temporary surface here. * Need the same mechanism on gc2000 when we want to do mipmap * generation by * rendering to levels > 1 due to multitiled / tiled conversion. */ BUG("Alignment error, trying to render to offset %08x with tile " "stride %i", cbuf->surf.offset, cbuf->surf.stride * 4); } if (ctx->specs.pixel_pipes == 1) { cs->PE_COLOR_ADDR = cbuf->reloc[0]; cs->PE_COLOR_ADDR.flags = ETNA_RELOC_READ | ETNA_RELOC_WRITE; } else { /* Rendered textures must always be multi-tiled */ assert(res->layout & ETNA_LAYOUT_BIT_MULTI); for (int i = 0; i < ctx->specs.pixel_pipes; i++) { cs->PE_PIPE_COLOR_ADDR[i] = cbuf->reloc[i]; cs->PE_PIPE_COLOR_ADDR[i].flags = ETNA_RELOC_READ | ETNA_RELOC_WRITE; } } cs->PE_COLOR_STRIDE = cbuf->surf.stride; if (cbuf->surf.ts_size) { ts_mem_config |= VIVS_TS_MEM_CONFIG_COLOR_FAST_CLEAR; cs->TS_COLOR_CLEAR_VALUE = cbuf->level->clear_value; cs->TS_COLOR_STATUS_BASE = cbuf->ts_reloc; cs->TS_COLOR_STATUS_BASE.flags = ETNA_RELOC_READ | ETNA_RELOC_WRITE; cs->TS_COLOR_SURFACE_BASE = cbuf->reloc[0]; cs->TS_COLOR_SURFACE_BASE.flags = ETNA_RELOC_READ | ETNA_RELOC_WRITE; } /* MSAA */ if (cbuf->base.texture->nr_samples > 1) ts_mem_config |= VIVS_TS_MEM_CONFIG_MSAA | translate_msaa_format(cbuf->base.format); nr_samples_color = cbuf->base.texture->nr_samples; } else { pipe_surface_reference(&cs->cbuf, NULL); /* Clearing VIVS_PE_COLOR_FORMAT_COMPONENTS__MASK and * VIVS_PE_COLOR_FORMAT_OVERWRITE prevents us from overwriting the * color target */ cs->PE_COLOR_FORMAT = 0; cs->PE_COLOR_STRIDE = 0; cs->TS_COLOR_STATUS_BASE.bo = NULL; cs->TS_COLOR_SURFACE_BASE.bo = NULL; for (int i = 0; i < ETNA_MAX_PIXELPIPES; i++) cs->PE_PIPE_COLOR_ADDR[i].bo = NULL; } if (sv->zsbuf != NULL) { struct etna_surface *zsbuf = etna_surface(sv->zsbuf); struct etna_resource *res = etna_resource(zsbuf->base.texture); etna_update_render_resource(pctx, zsbuf->base.texture); pipe_surface_reference(&cs->zsbuf, &zsbuf->base); assert(res->layout &ETNA_LAYOUT_BIT_TILE); /* Cannot render to linear surfaces */ uint32_t depth_format = translate_depth_format(zsbuf->base.format); unsigned depth_bits = depth_format == VIVS_PE_DEPTH_CONFIG_DEPTH_FORMAT_D16 ? 16 : 24; bool depth_supertiled = (res->layout & ETNA_LAYOUT_BIT_SUPER) != 0; cs->PE_DEPTH_CONFIG = depth_format | COND(depth_supertiled, VIVS_PE_DEPTH_CONFIG_SUPER_TILED) | VIVS_PE_DEPTH_CONFIG_DEPTH_MODE_Z; /* VIVS_PE_DEPTH_CONFIG_ONLY_DEPTH */ /* merged with depth_stencil_alpha */ if (ctx->specs.pixel_pipes == 1) { cs->PE_DEPTH_ADDR = zsbuf->reloc[0]; cs->PE_DEPTH_ADDR.flags = ETNA_RELOC_READ | ETNA_RELOC_WRITE; } else { for (int i = 0; i < ctx->specs.pixel_pipes; i++) { cs->PE_PIPE_DEPTH_ADDR[i] = zsbuf->reloc[i]; cs->PE_PIPE_DEPTH_ADDR[i].flags = ETNA_RELOC_READ | ETNA_RELOC_WRITE; } } cs->PE_DEPTH_STRIDE = zsbuf->surf.stride; cs->PE_HDEPTH_CONTROL = VIVS_PE_HDEPTH_CONTROL_FORMAT_DISABLED; cs->PE_DEPTH_NORMALIZE = fui(exp2f(depth_bits) - 1.0f); if (zsbuf->surf.ts_size) { ts_mem_config |= VIVS_TS_MEM_CONFIG_DEPTH_FAST_CLEAR; cs->TS_DEPTH_CLEAR_VALUE = zsbuf->level->clear_value; cs->TS_DEPTH_STATUS_BASE = zsbuf->ts_reloc; cs->TS_DEPTH_STATUS_BASE.flags = ETNA_RELOC_READ | ETNA_RELOC_WRITE; cs->TS_DEPTH_SURFACE_BASE = zsbuf->reloc[0]; cs->TS_DEPTH_SURFACE_BASE.flags = ETNA_RELOC_READ | ETNA_RELOC_WRITE; } ts_mem_config |= COND(depth_bits == 16, VIVS_TS_MEM_CONFIG_DEPTH_16BPP); /* MSAA */ if (zsbuf->base.texture->nr_samples > 1) /* XXX VIVS_TS_MEM_CONFIG_DEPTH_COMPRESSION; * Disable without MSAA for now, as it causes corruption in glquake. */ ts_mem_config |= VIVS_TS_MEM_CONFIG_DEPTH_COMPRESSION; nr_samples_depth = zsbuf->base.texture->nr_samples; } else { pipe_surface_reference(&cs->zsbuf, NULL); cs->PE_DEPTH_CONFIG = VIVS_PE_DEPTH_CONFIG_DEPTH_MODE_NONE; cs->PE_DEPTH_ADDR.bo = NULL; cs->PE_DEPTH_STRIDE = 0; cs->TS_DEPTH_STATUS_BASE.bo = NULL; cs->TS_DEPTH_SURFACE_BASE.bo = NULL; for (int i = 0; i < ETNA_MAX_PIXELPIPES; i++) cs->PE_PIPE_DEPTH_ADDR[i].bo = NULL; } /* MSAA setup */ if (nr_samples_depth != -1 && nr_samples_color != -1 && nr_samples_depth != nr_samples_color) { BUG("Number of samples in color and depth texture must match (%i and %i respectively)", nr_samples_color, nr_samples_depth); } switch (MAX2(nr_samples_depth, nr_samples_color)) { case 0: case 1: /* Are 0 and 1 samples allowed? */ cs->GL_MULTI_SAMPLE_CONFIG = VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES_NONE; cs->msaa_mode = false; break; case 2: cs->GL_MULTI_SAMPLE_CONFIG = VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES_2X; cs->msaa_mode = true; /* Add input to PS */ cs->RA_MULTISAMPLE_UNK00E04 = 0x0; cs->RA_MULTISAMPLE_UNK00E10[0] = 0x0000aa22; cs->RA_CENTROID_TABLE[0] = 0x66aa2288; cs->RA_CENTROID_TABLE[1] = 0x88558800; cs->RA_CENTROID_TABLE[2] = 0x88881100; cs->RA_CENTROID_TABLE[3] = 0x33888800; break; case 4: cs->GL_MULTI_SAMPLE_CONFIG = VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES_4X; cs->msaa_mode = true; /* Add input to PS */ cs->RA_MULTISAMPLE_UNK00E04 = 0x0; cs->RA_MULTISAMPLE_UNK00E10[0] = 0xeaa26e26; cs->RA_MULTISAMPLE_UNK00E10[1] = 0xe6ae622a; cs->RA_MULTISAMPLE_UNK00E10[2] = 0xaaa22a22; cs->RA_CENTROID_TABLE[0] = 0x4a6e2688; cs->RA_CENTROID_TABLE[1] = 0x888888a2; cs->RA_CENTROID_TABLE[2] = 0x888888ea; cs->RA_CENTROID_TABLE[3] = 0x888888c6; cs->RA_CENTROID_TABLE[4] = 0x46622a88; cs->RA_CENTROID_TABLE[5] = 0x888888ae; cs->RA_CENTROID_TABLE[6] = 0x888888e6; cs->RA_CENTROID_TABLE[7] = 0x888888ca; cs->RA_CENTROID_TABLE[8] = 0x262a2288; cs->RA_CENTROID_TABLE[9] = 0x886688a2; cs->RA_CENTROID_TABLE[10] = 0x888866aa; cs->RA_CENTROID_TABLE[11] = 0x668888a6; break; } /* Scissor setup */ cs->SE_SCISSOR_LEFT = 0; /* affected by rasterizer and scissor state as well */ cs->SE_SCISSOR_TOP = 0; cs->SE_SCISSOR_RIGHT = (sv->width << 16) - 1; cs->SE_SCISSOR_BOTTOM = (sv->height << 16) - 1; cs->TS_MEM_CONFIG = ts_mem_config; ctx->framebuffer_s = *sv; /* keep copy of original structure */ ctx->dirty |= ETNA_DIRTY_FRAMEBUFFER; } static void etna_set_polygon_stipple(struct pipe_context *pctx, const struct pipe_poly_stipple *stipple) { /* NOP */ } static void etna_set_scissor_states(struct pipe_context *pctx, unsigned start_slot, unsigned num_scissors, const struct pipe_scissor_state *ss) { struct etna_context *ctx = etna_context(pctx); struct compiled_scissor_state *cs = &ctx->scissor; /* note that this state is only used when rasterizer_state->scissor is on */ ctx->scissor_s = *ss; cs->SE_SCISSOR_LEFT = (ss->minx << 16); cs->SE_SCISSOR_TOP = (ss->miny << 16); cs->SE_SCISSOR_RIGHT = (ss->maxx << 16) - 1; cs->SE_SCISSOR_BOTTOM = (ss->maxy << 16) - 1; ctx->dirty |= ETNA_DIRTY_SCISSOR; } static void etna_set_viewport_states(struct pipe_context *pctx, unsigned start_slot, unsigned num_scissors, const struct pipe_viewport_state *vs) { struct etna_context *ctx = etna_context(pctx); struct compiled_viewport_state *cs = &ctx->viewport; ctx->viewport_s = *vs; /** * For Vivante GPU, viewport z transformation is 0..1 to 0..1 instead of * -1..1 to 0..1. * scaling and translation to 0..1 already happened, so remove that * * z' = (z * 2 - 1) * scale + translate * = z * (2 * scale) + (translate - scale) * * scale' = 2 * scale * translate' = translate - scale */ /* must be fixp as v4 state deltas assume it is */ cs->PA_VIEWPORT_SCALE_X = etna_f32_to_fixp16(vs->scale[0]); cs->PA_VIEWPORT_SCALE_Y = etna_f32_to_fixp16(vs->scale[1]); cs->PA_VIEWPORT_SCALE_Z = fui(vs->scale[2] * 2.0f); cs->PA_VIEWPORT_OFFSET_X = etna_f32_to_fixp16(vs->translate[0]); cs->PA_VIEWPORT_OFFSET_Y = etna_f32_to_fixp16(vs->translate[1]); cs->PA_VIEWPORT_OFFSET_Z = fui(vs->translate[2] - vs->scale[2]); /* Compute scissor rectangle (fixp) from viewport. * Make sure left is always < right and top always < bottom. */ cs->SE_SCISSOR_LEFT = etna_f32_to_fixp16(MAX2(vs->translate[0] - vs->scale[0], 0.0f)); cs->SE_SCISSOR_TOP = etna_f32_to_fixp16(MAX2(vs->translate[1] - vs->scale[1], 0.0f)); cs->SE_SCISSOR_RIGHT = etna_f32_to_fixp16(MAX2(vs->translate[0] + vs->scale[0], 0.0f)); cs->SE_SCISSOR_BOTTOM = etna_f32_to_fixp16(MAX2(vs->translate[1] + vs->scale[1], 0.0f)); if (cs->SE_SCISSOR_LEFT > cs->SE_SCISSOR_RIGHT) { uint32_t tmp = cs->SE_SCISSOR_RIGHT; cs->SE_SCISSOR_RIGHT = cs->SE_SCISSOR_LEFT; cs->SE_SCISSOR_LEFT = tmp; } if (cs->SE_SCISSOR_TOP > cs->SE_SCISSOR_BOTTOM) { uint32_t tmp = cs->SE_SCISSOR_BOTTOM; cs->SE_SCISSOR_BOTTOM = cs->SE_SCISSOR_TOP; cs->SE_SCISSOR_TOP = tmp; } cs->PE_DEPTH_NEAR = fui(0.0); /* not affected if depth mode is Z (as in GL) */ cs->PE_DEPTH_FAR = fui(1.0); ctx->dirty |= ETNA_DIRTY_VIEWPORT; } static void etna_set_vertex_buffers(struct pipe_context *pctx, unsigned start_slot, unsigned num_buffers, const struct pipe_vertex_buffer *vb) { struct etna_context *ctx = etna_context(pctx); struct etna_vertexbuf_state *so = &ctx->vertex_buffer; util_set_vertex_buffers_mask(so->vb, &so->enabled_mask, vb, start_slot, num_buffers); so->count = util_last_bit(so->enabled_mask); for (unsigned idx = start_slot; idx < start_slot + num_buffers; ++idx) { struct compiled_set_vertex_buffer *cs = &so->cvb[idx]; struct pipe_vertex_buffer *vbi = &so->vb[idx]; assert(!vbi->user_buffer); /* XXX support user_buffer using etna_usermem_map */ if (vbi->buffer) { /* GPU buffer */ cs->FE_VERTEX_STREAM_BASE_ADDR.bo = etna_resource(vbi->buffer)->bo; cs->FE_VERTEX_STREAM_BASE_ADDR.offset = vbi->buffer_offset; cs->FE_VERTEX_STREAM_BASE_ADDR.flags = ETNA_RELOC_READ; cs->FE_VERTEX_STREAM_CONTROL = FE_VERTEX_STREAM_CONTROL_VERTEX_STRIDE(vbi->stride); } else { cs->FE_VERTEX_STREAM_BASE_ADDR.bo = NULL; cs->FE_VERTEX_STREAM_CONTROL = 0; } } ctx->dirty |= ETNA_DIRTY_VERTEX_BUFFERS; } static void etna_set_index_buffer(struct pipe_context *pctx, const struct pipe_index_buffer *ib) { struct etna_context *ctx = etna_context(pctx); uint32_t ctrl; if (ib) { pipe_resource_reference(&ctx->index_buffer.ib.buffer, ib->buffer); memcpy(&ctx->index_buffer.ib, ib, sizeof(ctx->index_buffer.ib)); ctrl = translate_index_size(ctx->index_buffer.ib.index_size); } else { pipe_resource_reference(&ctx->index_buffer.ib.buffer, NULL); ctrl = 0; } if (ctx->index_buffer.ib.buffer && ctrl != ETNA_NO_MATCH) { ctx->index_buffer.FE_INDEX_STREAM_BASE_ADDR.bo = etna_resource(ctx->index_buffer.ib.buffer)->bo; ctx->index_buffer.FE_INDEX_STREAM_BASE_ADDR.offset = ctx->index_buffer.ib.offset; ctx->index_buffer.FE_INDEX_STREAM_BASE_ADDR.flags = ETNA_RELOC_READ; ctx->index_buffer.FE_INDEX_STREAM_CONTROL = ctrl; } else { ctx->index_buffer.FE_INDEX_STREAM_BASE_ADDR.bo = NULL; ctx->index_buffer.FE_INDEX_STREAM_CONTROL = 0; } ctx->dirty |= ETNA_DIRTY_INDEX_BUFFER; } static void etna_blend_state_bind(struct pipe_context *pctx, void *bs) { struct etna_context *ctx = etna_context(pctx); ctx->blend = bs; ctx->dirty |= ETNA_DIRTY_BLEND; } static void etna_blend_state_delete(struct pipe_context *pctx, void *bs) { FREE(bs); } static void etna_rasterizer_state_bind(struct pipe_context *pctx, void *rs) { struct etna_context *ctx = etna_context(pctx); ctx->rasterizer = rs; ctx->dirty |= ETNA_DIRTY_RASTERIZER; } static void etna_rasterizer_state_delete(struct pipe_context *pctx, void *rs) { FREE(rs); } static void etna_zsa_state_bind(struct pipe_context *pctx, void *zs) { struct etna_context *ctx = etna_context(pctx); ctx->zsa = zs; ctx->dirty |= ETNA_DIRTY_ZSA; } static void etna_zsa_state_delete(struct pipe_context *pctx, void *zs) { FREE(zs); } /** Create vertex element states, which define a layout for fetching * vertices for rendering. */ static void * etna_vertex_elements_state_create(struct pipe_context *pctx, unsigned num_elements, const struct pipe_vertex_element *elements) { struct etna_context *ctx = etna_context(pctx); struct compiled_vertex_elements_state *cs = CALLOC_STRUCT(compiled_vertex_elements_state); if (!cs) return NULL; if (num_elements > ctx->specs.vertex_max_elements) { BUG("number of elements (%u) exceeds chip maximum (%u)", num_elements, ctx->specs.vertex_max_elements); return NULL; } /* XXX could minimize number of consecutive stretches here by sorting, and * permuting the inputs in shader or does Mesa do this already? */ /* Check that vertex element binding is compatible with hardware; thus * elements[idx].vertex_buffer_index are < stream_count. If not, the binding * uses more streams than is supported, and u_vbuf should have done some * reorganization for compatibility. */ /* TODO: does mesa this for us? */ bool incompatible = false; for (unsigned idx = 0; idx < num_elements; ++idx) { if (elements[idx].vertex_buffer_index >= ctx->specs.stream_count || elements[idx].instance_divisor > 0) incompatible = true; } cs->num_elements = num_elements; if (incompatible || num_elements == 0) { DBG("Error: zero vertex elements, or more vertex buffers used than supported"); FREE(cs); return NULL; } unsigned start_offset = 0; /* start of current consecutive stretch */ bool nonconsecutive = true; /* previous value of nonconsecutive */ for (unsigned idx = 0; idx < num_elements; ++idx) { unsigned element_size = util_format_get_blocksize(elements[idx].src_format); unsigned end_offset = elements[idx].src_offset + element_size; uint32_t format_type, normalize; if (nonconsecutive) start_offset = elements[idx].src_offset; /* maximum vertex size is 256 bytes */ assert(element_size != 0 && end_offset <= 256); /* check whether next element is consecutive to this one */ nonconsecutive = (idx == (num_elements - 1)) || elements[idx + 1].vertex_buffer_index != elements[idx].vertex_buffer_index || end_offset != elements[idx + 1].src_offset; format_type = translate_vertex_format_type(elements[idx].src_format); normalize = translate_vertex_format_normalize(elements[idx].src_format); assert(format_type != ETNA_NO_MATCH); assert(normalize != ETNA_NO_MATCH); cs->FE_VERTEX_ELEMENT_CONFIG[idx] = COND(nonconsecutive, VIVS_FE_VERTEX_ELEMENT_CONFIG_NONCONSECUTIVE) | format_type | VIVS_FE_VERTEX_ELEMENT_CONFIG_NUM(util_format_get_nr_components(elements[idx].src_format)) | normalize | VIVS_FE_VERTEX_ELEMENT_CONFIG_ENDIAN(ENDIAN_MODE_NO_SWAP) | VIVS_FE_VERTEX_ELEMENT_CONFIG_STREAM(elements[idx].vertex_buffer_index) | VIVS_FE_VERTEX_ELEMENT_CONFIG_START(elements[idx].src_offset) | VIVS_FE_VERTEX_ELEMENT_CONFIG_END(end_offset - start_offset); } return cs; } static void etna_vertex_elements_state_delete(struct pipe_context *pctx, void *ve) { FREE(ve); } static void etna_vertex_elements_state_bind(struct pipe_context *pctx, void *ve) { struct etna_context *ctx = etna_context(pctx); ctx->vertex_elements = ve; ctx->dirty |= ETNA_DIRTY_VERTEX_ELEMENTS; } struct etna_state_updater { bool (*update)(struct etna_context *ctx); uint32_t dirty; }; static const struct etna_state_updater etna_state_updates[] = { { etna_shader_update_vertex, ETNA_DIRTY_SHADER | ETNA_DIRTY_VERTEX_ELEMENTS, }, { etna_shader_link, ETNA_DIRTY_SHADER, } }; bool etna_state_update(struct etna_context *ctx) { for (unsigned int i = 0; i < ARRAY_SIZE(etna_state_updates); i++) if (ctx->dirty & etna_state_updates[i].dirty) if (!etna_state_updates[i].update(ctx)) return false; return true; } void etna_state_init(struct pipe_context *pctx) { pctx->set_blend_color = etna_set_blend_color; pctx->set_stencil_ref = etna_set_stencil_ref; pctx->set_clip_state = etna_set_clip_state; pctx->set_sample_mask = etna_set_sample_mask; pctx->set_constant_buffer = etna_set_constant_buffer; pctx->set_framebuffer_state = etna_set_framebuffer_state; pctx->set_polygon_stipple = etna_set_polygon_stipple; pctx->set_scissor_states = etna_set_scissor_states; pctx->set_viewport_states = etna_set_viewport_states; pctx->set_vertex_buffers = etna_set_vertex_buffers; pctx->set_index_buffer = etna_set_index_buffer; pctx->bind_blend_state = etna_blend_state_bind; pctx->delete_blend_state = etna_blend_state_delete; pctx->bind_rasterizer_state = etna_rasterizer_state_bind; pctx->delete_rasterizer_state = etna_rasterizer_state_delete; pctx->bind_depth_stencil_alpha_state = etna_zsa_state_bind; pctx->delete_depth_stencil_alpha_state = etna_zsa_state_delete; pctx->create_vertex_elements_state = etna_vertex_elements_state_create; pctx->delete_vertex_elements_state = etna_vertex_elements_state_delete; pctx->bind_vertex_elements_state = etna_vertex_elements_state_bind; }