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comparison OrthancStone/Sources/OpenGL/OpenGLTexture.cpp @ 2060:86e0e92a2e0d deep-learning

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added OpenGLTextureArray and OpenGLFramebuffer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 03 May 2023 16:15:50 +0200
parents c0627145b441
children 6ea5f40ea0e9
comparison
equal deleted inserted replaced
2059:f7cbc58ff44d 2060:86e0e92a2e0d
20 * <http://www.gnu.org/licenses/>. 20 * <http://www.gnu.org/licenses/>.
21 **/ 21 **/
22 22
23 23
24 #include "OpenGLTexture.h" 24 #include "OpenGLTexture.h"
25 #include "IOpenGLContext.h"
26
27 #include <Images/Image.h>
28 #include <Logging.h>
29 #include <OrthancException.h>
30 25
31 #if defined(__EMSCRIPTEN__) 26 #if defined(__EMSCRIPTEN__)
32 # if !defined(ORTHANC_WEBGL2_HEAP_COMPAT) 27 # if !defined(ORTHANC_WEBGL2_HEAP_COMPAT)
33 # error The macro ORTHANC_WEBGL2_HEAP_COMPAT must be defined 28 # error The macro ORTHANC_WEBGL2_HEAP_COMPAT must be defined
34 # endif 29 # endif
35 #endif 30 #endif
31
32 #include <Images/Image.h>
33 #include <Logging.h>
34 #include <OrthancException.h>
36 35
37 namespace OrthancStone 36 namespace OrthancStone
38 { 37 {
39 namespace OpenGL 38 namespace OpenGL
40 { 39 {
41 OpenGLTexture::OpenGLTexture(OpenGL::IOpenGLContext& context) : 40 OpenGLTexture::OpenGLTexture(OpenGL::IOpenGLContext& context) :
41 context_(context),
42 texture_(0), 42 texture_(0),
43 width_(0), 43 width_(0),
44 height_(0), 44 height_(0),
45 format_(Orthanc::PixelFormat_Grayscale8), 45 format_(Orthanc::PixelFormat_Grayscale8),
46 context_(context),
47 isLinearInterpolation_(false) 46 isLinearInterpolation_(false)
48 { 47 {
49 if (!context_.IsContextLost()) 48 if (!context_.IsContextLost())
50 { 49 {
51 // Generate a texture object 50 // Generate a texture object
273 } 272 }
274 273
275 274
276 void OpenGLTexture::SetClampingToZero() 275 void OpenGLTexture::SetClampingToZero()
277 { 276 {
278 ORTHANC_OPENGL_CHECK("Entering OpenGLTexture::SetClampingToZero()");
279
280 #if defined(__EMSCRIPTEN__) 277 #if defined(__EMSCRIPTEN__)
281 /** 278 /**
282 * This is because WebGL 2 derives from OpenGL ES 3.0, which 279 * This is because WebGL 2 derives from OpenGL ES 3.0, which
283 * doesn't support GL_CLAMP_TO_BORDER, as can be seen here: 280 * doesn't support GL_CLAMP_TO_BORDER, as can be seen here:
284 * https://registry.khronos.org/OpenGL-Refpages/es3.0/html/glTexParameter.xhtml 281 * https://registry.khronos.org/OpenGL-Refpages/es3.0/html/glTexParameter.xhtml
285 **/ 282 **/
286 LOG(WARNING) << "OpenGLTexture::SetClampingToZero() is not available in WebGL 2"; 283 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
284 "OpenGLTextureArray::SetClampingToZero() is not available in WebGL 2");
287 #else 285 #else
286 ORTHANC_OPENGL_CHECK("Entering OpenGLTexture::SetClampingToZero()");
287
288 glBindTexture(GL_TEXTURE_2D, texture_); 288 glBindTexture(GL_TEXTURE_2D, texture_);
289 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER); 289 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
290 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER); 290 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
291 291
292 GLfloat colorfv[4] = { 0, 0, 0, 0 }; 292 GLfloat colorfv[4] = { 0, 0, 0, 0 };
293 glTextureParameterfv(texture_, GL_TEXTURE_BORDER_COLOR, colorfv); 293 glTextureParameterfv(texture_, GL_TEXTURE_BORDER_COLOR, colorfv);
294 #endif 294
295
296 ORTHANC_OPENGL_CHECK("Exiting OpenGLTexture::SetClampingToZero()"); 295 ORTHANC_OPENGL_CHECK("Exiting OpenGLTexture::SetClampingToZero()");
296 #endif
297 } 297 }
298 298
299 299
300 void OpenGLTexture::ConvertToOpenGLFormats(GLenum& sourceFormat, 300 void OpenGLTexture::ConvertToOpenGLFormats(GLenum& sourceFormat,
301 GLenum& internalFormat, 301 GLenum& internalFormat,