| /* |
| * Copyright (c) 2016 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: |
| * Christian Gmeiner <christian.gmeiner@gmail.com> |
| */ |
| |
| #include "etnaviv_uniforms.h" |
| |
| #include "etnaviv_compiler.h" |
| #include "etnaviv_context.h" |
| #include "etnaviv_util.h" |
| #include "pipe/p_defines.h" |
| #include "util/u_math.h" |
| |
| static unsigned |
| get_const_idx(const struct etna_context *ctx, bool frag, unsigned samp_id) |
| { |
| if (frag) |
| return samp_id; |
| |
| return samp_id + ctx->specs.vertex_sampler_offset; |
| } |
| |
| static uint32_t |
| get_texrect_scale(const struct etna_context *ctx, bool frag, |
| enum etna_immediate_contents contents, uint32_t data) |
| { |
| unsigned index = get_const_idx(ctx, frag, data); |
| struct pipe_sampler_view *texture = ctx->sampler_view[index]; |
| uint32_t dim; |
| |
| if (contents == ETNA_IMMEDIATE_TEXRECT_SCALE_X) |
| dim = texture->texture->width0; |
| else |
| dim = texture->texture->height0; |
| |
| return fui(1.0f / dim); |
| } |
| |
| void |
| etna_uniforms_write(const struct etna_context *ctx, |
| const struct etna_shader_variant *sobj, |
| struct pipe_constant_buffer *cb, uint32_t *uniforms, |
| unsigned *size) |
| { |
| const struct etna_shader_uniform_info *uinfo = &sobj->uniforms; |
| bool frag = false; |
| |
| if (cb->user_buffer) { |
| unsigned size = MIN2(cb->buffer_size, uinfo->const_count * 4); |
| |
| memcpy(uniforms, cb->user_buffer, size); |
| } |
| |
| if (sobj == ctx->shader.fs) |
| frag = true; |
| |
| for (uint32_t i = 0; i < uinfo->imm_count; i++) { |
| switch (uinfo->imm_contents[i]) { |
| case ETNA_IMMEDIATE_CONSTANT: |
| uniforms[i + uinfo->const_count] = uinfo->imm_data[i]; |
| break; |
| |
| case ETNA_IMMEDIATE_TEXRECT_SCALE_X: |
| case ETNA_IMMEDIATE_TEXRECT_SCALE_Y: |
| uniforms[i + uinfo->const_count] = |
| get_texrect_scale(ctx, frag, uinfo->imm_contents[i], uinfo->imm_data[i]); |
| break; |
| |
| case ETNA_IMMEDIATE_UNUSED: |
| /* nothing to do */ |
| break; |
| } |
| } |
| |
| *size = uinfo->const_count + uinfo->imm_count; |
| } |
| |
| void |
| etna_set_shader_uniforms_dirty_flags(struct etna_shader_variant *sobj) |
| { |
| uint32_t dirty = 0; |
| |
| for (uint32_t i = 0; i < sobj->uniforms.imm_count; i++) { |
| switch (sobj->uniforms.imm_contents[i]) { |
| case ETNA_IMMEDIATE_UNUSED: |
| case ETNA_IMMEDIATE_CONSTANT: |
| break; |
| |
| case ETNA_IMMEDIATE_TEXRECT_SCALE_X: |
| case ETNA_IMMEDIATE_TEXRECT_SCALE_Y: |
| dirty |= ETNA_DIRTY_SAMPLER_VIEWS; |
| break; |
| } |
| } |
| |
| sobj->uniforms_dirty_bits = dirty; |
| } |