obs-StreamFX/source/gs-sampler.cpp

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/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "gs-sampler.h"
gs::sampler::sampler() {
m_dirty = true;
m_samplerInfo = { GS_FILTER_LINEAR, GS_ADDRESS_WRAP, GS_ADDRESS_WRAP, GS_ADDRESS_WRAP, 1, 0 };
m_samplerState = nullptr;
}
gs::sampler::~sampler() {
if (m_samplerState)
gs_samplerstate_destroy(m_samplerState);
}
void gs::sampler::set_filter(gs_sample_filter v) {
m_dirty = true;
m_samplerInfo.filter = v;
}
gs_sample_filter gs::sampler::get_filter() {
return m_samplerInfo.filter;
}
void gs::sampler::set_address_mode_u(gs_address_mode v) {
m_dirty = true;
m_samplerInfo.address_u = v;
}
gs_address_mode gs::sampler::get_address_mode_u() {
return m_samplerInfo.address_u;
}
void gs::sampler::set_address_mode_v(gs_address_mode v) {
m_dirty = true;
m_samplerInfo.address_v = v;
}
gs_address_mode gs::sampler::get_address_mode_v() {
return m_samplerInfo.address_v;
}
void gs::sampler::set_address_mode_w(gs_address_mode v) {
m_dirty = true;
m_samplerInfo.address_w = v;
}
gs_address_mode gs::sampler::get_address_mode_w() {
return m_samplerInfo.address_w;
}
void gs::sampler::set_max_anisotropy(int v) {
m_dirty = true;
m_samplerInfo.max_anisotropy = v;
}
int gs::sampler::get_max_anisotropy() {
return m_samplerInfo.max_anisotropy;
}
void gs::sampler::set_border_color(uint32_t v) {
m_dirty = true;
m_samplerInfo.border_color = v;
}
void gs::sampler::set_border_color(uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
m_dirty = true;
m_samplerInfo.border_color = a << 24 | r << 16 | g << 8 | b;
}
uint32_t gs::sampler::get_border_color() {
return m_samplerInfo.border_color;
}
uint8_t gs::sampler::get_border_color(bool r, bool g, bool b, bool a) {
if (a)
return (m_samplerInfo.border_color >> 24) & 0xFF;
if (r)
return (m_samplerInfo.border_color >> 16) & 0xFF;
if (g)
return (m_samplerInfo.border_color >> 8) & 0xFF;
if (b)
return m_samplerInfo.border_color & 0xFF;
return 0;
}
gs_sampler_state* gs::sampler::refresh() {
gs_samplerstate_destroy(m_samplerState);
m_samplerState = gs_samplerstate_create(&m_samplerInfo);
m_dirty = false;
return m_samplerState;
}
gs_sampler_state* gs::sampler::get_object() {
if (m_dirty)
return refresh();
return m_samplerState;
}