GCC Code Coverage Report

Line	Branch	Exec	Source
1			/*
2			* Copyright (c) 2000-2022 Inria
3			* All rights reserved.
4			*
5			* Redistribution and use in source and binary forms, with or without
6			* modification, are permitted provided that the following conditions are met:
7			*
8			* * Redistributions of source code must retain the above copyright notice,
9			* this list of conditions and the following disclaimer.
10			* * Redistributions in binary form must reproduce the above copyright notice,
11			* this list of conditions and the following disclaimer in the documentation
12			* and/or other materials provided with the distribution.
13			* * Neither the name of the ALICE Project-Team nor the names of its
14			* contributors may be used to endorse or promote products derived from this
15			* software without specific prior written permission.
16			*
17			* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18			* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20			* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
21			* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22			* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23			* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24			* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25			* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27			* POSSIBILITY OF SUCH DAMAGE.
28			*
29			* Contact: Bruno Levy
30			*
31			* https://www.inria.fr/fr/bruno-levy
32			*
33			* Inria,
34			* Domaine de Voluceau,
35			* 78150 Le Chesnay - Rocquencourt
36			* FRANCE
37			*
38			*/
39
40
41			#include <geogram_gfx/full_screen_effects/full_screen_effect.h>
42			#include <geogram_gfx/basic/GLSL.h>
43			#include <geogram_gfx/GLUP/shaders/embedded_shaders.h>
44			#include <geogram/basic/command_line.h>
45			#include <geogram/basic/logger.h>
46
47			namespace {
48			using namespace GEO;
49
50		✗	void vertex_shader_preamble_pseudo_file(
51			GLSL::PseudoFileProvider* provider, std::vector<GLSL::Source>& sources
52			) {
53		✗	FullScreenEffectImpl* ctxt = dynamic_cast<FullScreenEffectImpl*>(
54			provider
55			);
56		✗	geo_assert(ctxt != nullptr);
57		✗	ctxt->get_vertex_shader_preamble_pseudo_file(sources);
58		✗	}
59
60		✗	void fragment_shader_preamble_pseudo_file(
61			GLSL::PseudoFileProvider* provider, std::vector<GLSL::Source>& sources
62			) {
63		✗	FullScreenEffectImpl* ctxt = dynamic_cast<FullScreenEffectImpl*>(
64			provider
65			);
66		✗	geo_assert(ctxt != nullptr);
67		✗	ctxt->get_fragment_shader_preamble_pseudo_file(sources);
68		✗	}
69			}
70
71			namespace GEO {
72
73		✗	FullScreenEffectImpl::FullScreenEffectImpl() :
74		✗	initialized_(false),
75		✗	OK_(true),
76		✗	width_(0),
77		✗	height_(0),
78		✗	ES_profile_(false),
79		✗	main_framebuffer_id_(0) {
80		✗	}
81
82		✗	FullScreenEffectImpl::~FullScreenEffectImpl() {
83		✗	}
84
85		✗	double FullScreenEffectImpl::required_GLSL_version() const {
86		✗	return 1.0;
87			}
88
89		✗	void FullScreenEffectImpl::get_vertex_shader_preamble_pseudo_file(
90			std::vector<GLSL::Source>& sources
91			) {
92		✗	if(ES_profile_) {
93			sources.push_back(
94		✗	"#version 100 \n"
95			"#define GLUP_VERTEX_SHADER \n"
96			);
97			} else {
98			sources.push_back(
99			#ifdef GEO_OS_APPLE
100			"#version 150 core \n"
101			#else
102		✗	"#version 130 \n"
103			#endif
104			"#define GLUP_VERTEX_SHADER \n"
105			);
106			}
107		✗	}
108
109
110		✗	void FullScreenEffectImpl::get_fragment_shader_preamble_pseudo_file(
111			std::vector<GLSL::Source>& sources
112			) {
113		✗	if(ES_profile_) {
114			sources.push_back(
115		✗	"#version 100 \n"
116			"#define GLUP_FRAGMENT_SHADER \n"
117			"precision mediump float; \n"
118			"#ifdef GL_FRAGMENT_PRECISION_HIGH \n"
119			" precision highp int; \n"
120			"#endif \n"
121			);
122			} else {
123			sources.push_back(
124			#ifdef GEO_OS_APPLE
125			"#version 150 core \n"
126			#else
127		✗	"#version 130 \n"
128			#endif
129			"#define GLUP_FRAGMENT_SHADER \n"
130			);
131			}
132		✗	}
133
134		✗	void FullScreenEffectImpl::pre_render(index_t w, index_t h) {
135		✗	main_framebuffer_id_ = FrameBufferObject::bound_framebuffer_id();
136		✗	if(!initialized_) {
137		✗	initialize(w,h) ;
138			}
139		✗	if(!OK_) {
140			return;
141			}
142		✗	if(w != width() || h != height()) {
143		✗	resize(w,h) ;
144			}
145		✗	if(draw_FBO_.initialized()) {
146		✗	draw_FBO_.bind_as_framebuffer();
147			GEO_CHECK_GL();
148			}
149			}
150
151		✗	void FullScreenEffectImpl::post_render() {
152		✗	glBindFramebuffer(GL_FRAMEBUFFER, main_framebuffer_id_);
153		✗	if(draw_FBO_.initialized()) {
154		✗	glDisable(GL_DEPTH_TEST);
155		✗	draw_FBO_.unbind();
156
157		✗	glActiveTexture(GL_TEXTURE0);
158		✗	draw_FBO_.bind_as_texture();
159
160		✗	glViewport(0, 0, GLsizei(width()), GLsizei(height()));
161
162		✗	draw_unit_textured_quad();
163		✗	glEnable(GL_DEPTH_TEST);
164		✗	draw_FBO_.unbind();
165		✗	reset_alpha();
166
167			}
168			GEO_CHECK_GL();
169		✗	}
170
171		✗	void FullScreenEffectImpl::update() {
172		✗	}
173
174		✗	void FullScreenEffectImpl::initialize(index_t width, index_t height) {
175		✗	width_ = width;
176		✗	height_ = height;
177		✗	initialized_ = true ;
178			#if defined(GEO_OS_EMSCRIPTEN) || defined(GEO_OS_ANDROID)
179			ES_profile_ = true;
180			#endif
181
182			static bool first_time = true;
183
184		✗	if(first_time) {
185		✗	GLSL::register_GLSL_include_file(
186		✗	"fullscreen/current_profile/vertex_shader_preamble.h",
187			vertex_shader_preamble_pseudo_file
188			);
189
190		✗	GLSL::register_GLSL_include_file(
191		✗	"fullscreen/current_profile/fragment_shader_preamble.h",
192			fragment_shader_preamble_pseudo_file
193			);
194
195		✗	GLUP::register_embedded_shaders_fullscreen();
196
197		✗	first_time = false;
198			}
199
200		✗	double supp_ver = GLSL::supported_language_version();
201		✗	double req_ver = required_GLSL_version();
202		✗	OK_ = (supp_ver >= req_ver);
203		✗	if(!OK_) {
204		✗	Logger::err("Renderer")
205			<< "This FullScreenEffect requires GLSL ver. >= "
206			<< req_ver
207			<< std::endl;
208		✗	Logger::err("Renderer")
209			<< "This GPU has GLSL ver. " << supp_ver
210			<< std::endl;
211		✗	return;
212			}
213			GEO_CHECK_GL();
214		✗	draw_FBO_.initialize(width, height, true, GL_RGBA, false);
215			GEO_CHECK_GL();
216			}
217
218		✗	void FullScreenEffectImpl::resize(index_t width, index_t height) {
219		✗	width_ = width;
220		✗	height_ = height;
221		✗	if(draw_FBO_.initialized()) {
222			GEO_CHECK_GL();
223		✗	draw_FBO_.resize(width, height);
224			GEO_CHECK_GL();
225			}
226		✗	}
227
228		✗	void FullScreenEffectImpl::reset_alpha() {
229		✗	glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
230		✗	glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
231		✗	glClear(GL_COLOR_BUFFER_BIT);
232		✗	glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
233		✗	}
234			}
235