138 lines
4.2 KiB
C
138 lines
4.2 KiB
C
/*
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* Copyright (c) 2016 Etnaviv Project
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Christian Gmeiner <christian.gmeiner@gmail.com>
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*/
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#include "etnaviv_uniforms.h"
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#include "etnaviv_compiler.h"
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#include "etnaviv_context.h"
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#include "etnaviv_util.h"
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#include "etnaviv_emit.h"
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#include "pipe/p_defines.h"
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#include "util/u_math.h"
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static unsigned
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get_const_idx(const struct etna_context *ctx, bool frag, unsigned samp_id)
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{
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struct etna_screen *screen = ctx->screen;
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if (frag)
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return samp_id;
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return samp_id + screen->specs.vertex_sampler_offset;
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}
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static uint32_t
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get_texrect_scale(const struct etna_context *ctx, bool frag,
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enum etna_uniform_contents contents, uint32_t data)
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{
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unsigned index = get_const_idx(ctx, frag, data);
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struct pipe_sampler_view *texture = ctx->sampler_view[index];
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uint32_t dim;
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if (contents == ETNA_UNIFORM_TEXRECT_SCALE_X)
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dim = texture->texture->width0;
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else
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dim = texture->texture->height0;
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return fui(1.0f / dim);
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}
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void
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etna_uniforms_write(const struct etna_context *ctx,
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const struct etna_shader_variant *sobj,
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struct pipe_constant_buffer *cb)
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{
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struct etna_screen *screen = ctx->screen;
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struct etna_cmd_stream *stream = ctx->stream;
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const struct etna_shader_uniform_info *uinfo = &sobj->uniforms;
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bool frag = (sobj == ctx->shader.fs);
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uint32_t base = frag ? screen->specs.ps_uniforms_offset : screen->specs.vs_uniforms_offset;
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unsigned idx;
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if (!uinfo->count)
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return;
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etna_cmd_stream_reserve(stream, align(uinfo->count + 1, 2));
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etna_emit_load_state(stream, base >> 2, uinfo->count, 0);
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for (uint32_t i = 0; i < uinfo->count; i++) {
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uint32_t val = uinfo->data[i];
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switch (uinfo->contents[i]) {
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case ETNA_UNIFORM_CONSTANT:
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etna_cmd_stream_emit(stream, val);
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break;
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case ETNA_UNIFORM_UNIFORM:
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assert(cb->user_buffer && val * 4 < cb->buffer_size);
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etna_cmd_stream_emit(stream, ((uint32_t*) cb->user_buffer)[val]);
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break;
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case ETNA_UNIFORM_TEXRECT_SCALE_X:
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case ETNA_UNIFORM_TEXRECT_SCALE_Y:
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etna_cmd_stream_emit(stream,
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get_texrect_scale(ctx, frag, uinfo->contents[i], val));
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break;
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case ETNA_UNIFORM_UBO0_ADDR ... ETNA_UNIFORM_UBOMAX_ADDR:
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idx = uinfo->contents[i] - ETNA_UNIFORM_UBO0_ADDR;
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etna_cmd_stream_reloc(stream, &(struct etna_reloc) {
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.bo = etna_resource(cb[idx].buffer)->bo,
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.flags = ETNA_RELOC_READ,
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.offset = cb[idx].buffer_offset + val,
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});
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break;
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case ETNA_UNIFORM_UNUSED:
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etna_cmd_stream_emit(stream, 0);
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break;
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}
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}
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if ((uinfo->count % 2) == 0)
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etna_cmd_stream_emit(stream, 0);
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}
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void
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etna_set_shader_uniforms_dirty_flags(struct etna_shader_variant *sobj)
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{
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uint32_t dirty = 0;
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for (uint32_t i = 0; i < sobj->uniforms.count; i++) {
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switch (sobj->uniforms.contents[i]) {
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default:
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break;
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case ETNA_UNIFORM_TEXRECT_SCALE_X:
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case ETNA_UNIFORM_TEXRECT_SCALE_Y:
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dirty |= ETNA_DIRTY_SAMPLER_VIEWS;
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break;
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}
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}
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sobj->uniforms_dirty_bits = dirty;
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}
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