Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/Internals/OpenGLColorTextureProgram.cpp @ 611:e3f21a265be5
Added version directive to GLSL shader code + glew init function in sample code
AND commented-out glew init function in StoneInitialize
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Tue, 30 Apr 2019 16:07:48 +0200 |
| parents | b66ced2c43d4 |
| children | 1091b2adeb5a |
| rev | line source |
|---|---|
| 591 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium | |
| 6 * | |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "OpenGLColorTextureProgram.h" | |
|
611
e3f21a265be5
Added version directive to GLSL shader code + glew init function in sample code
Benjamin Golinvaux <bgo@osimis.io>
parents:
591
diff
changeset
|
23 #include "OpenGLShaderVersionDirective.h" |
| 591 | 24 |
| 25 static const char* FRAGMENT_SHADER = | |
|
611
e3f21a265be5
Added version directive to GLSL shader code + glew init function in sample code
Benjamin Golinvaux <bgo@osimis.io>
parents:
591
diff
changeset
|
26 ORTHANC_STONE_OPENGL_SHADER_VERSION_DIRECTIVE |
| 591 | 27 "uniform sampler2D u_texture; \n" |
| 28 "varying vec2 v_texcoord; \n" | |
| 29 "void main() \n" | |
| 30 "{ \n" | |
| 31 " gl_FragColor = texture2D(u_texture, v_texcoord); \n" | |
| 32 "}"; | |
| 33 | |
| 34 | |
| 35 namespace OrthancStone | |
| 36 { | |
| 37 namespace Internals | |
| 38 { | |
| 39 OpenGLColorTextureProgram::OpenGLColorTextureProgram(OpenGL::IOpenGLContext& context) : | |
| 40 program_(context, FRAGMENT_SHADER) | |
| 41 { | |
| 42 } | |
| 43 | |
| 44 | |
| 45 void OpenGLColorTextureProgram::Apply(OpenGL::OpenGLTexture& texture, | |
| 46 const AffineTransform2D& transform, | |
| 47 bool useAlpha) | |
| 48 { | |
| 49 OpenGLTextureProgram::Execution execution(program_, texture, transform); | |
| 50 | |
| 51 if (useAlpha) | |
| 52 { | |
| 53 glEnable(GL_BLEND); | |
| 54 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); | |
| 55 execution.DrawTriangles(); | |
| 56 glDisable(GL_BLEND); | |
| 57 } | |
| 58 else | |
| 59 { | |
| 60 execution.DrawTriangles(); | |
| 61 } | |
| 62 } | |
| 63 } | |
| 64 } |