diff options
Diffstat (limited to 'src/quick/scenegraph/qsgshareddistancefieldglyphcache.cpp')
| -rw-r--r-- | src/quick/scenegraph/qsgshareddistancefieldglyphcache.cpp | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/src/quick/scenegraph/qsgshareddistancefieldglyphcache.cpp b/src/quick/scenegraph/qsgshareddistancefieldglyphcache.cpp index 6f54b258ff..f635ccd17b 100644 --- a/src/quick/scenegraph/qsgshareddistancefieldglyphcache.cpp +++ b/src/quick/scenegraph/qsgshareddistancefieldglyphcache.cpp @@ -399,176 +399,6 @@ void QSGSharedDistanceFieldGlyphCache::unregisterOwnerElement(QQuickItem *ownerE } } -#if defined(QSGSHAREDDISTANCEFIELDGLYPHCACHE_DEBUG_) -# include <QtOpenGL/private/qglextensions_p.h> - -void QSGSharedDistanceFieldGlyphCache::saveTexture(GLuint textureId, int width, int height) -{ - GLuint fboId; - glGenFramebuffers(1, &fboId); - - GLuint tmpTexture = 0; - glGenTextures(1, &tmpTexture); - glBindTexture(GL_TEXTURE_2D, tmpTexture); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glBindTexture(GL_TEXTURE_2D, 0); - - glBindFramebuffer(GL_FRAMEBUFFER_EXT, fboId); - glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, - tmpTexture, 0); - - glActiveTexture(GL_TEXTURE0); - glBindTexture(GL_TEXTURE_2D, textureId); - - glDisable(GL_STENCIL_TEST); - glDisable(GL_DEPTH_TEST); - glDisable(GL_SCISSOR_TEST); - glDisable(GL_BLEND); - - GLfloat textureCoordinateArray[8]; - textureCoordinateArray[0] = 0.0f; - textureCoordinateArray[1] = 0.0f; - textureCoordinateArray[2] = 1.0f; - textureCoordinateArray[3] = 0.0f; - textureCoordinateArray[4] = 1.0f; - textureCoordinateArray[5] = 1.0f; - textureCoordinateArray[6] = 0.0f; - textureCoordinateArray[7] = 1.0f; - - GLfloat vertexCoordinateArray[8]; - vertexCoordinateArray[0] = -1.0f; - vertexCoordinateArray[1] = -1.0f; - vertexCoordinateArray[2] = 1.0f; - vertexCoordinateArray[3] = -1.0f; - vertexCoordinateArray[4] = 1.0f; - vertexCoordinateArray[5] = 1.0f; - vertexCoordinateArray[6] = -1.0f; - vertexCoordinateArray[7] = 1.0f; - - glViewport(0, 0, width, height); - glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray); - glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray); - - { - static const char vertexShaderSource[] = - "attribute highp vec4 vertexCoordsArray; \n" - "attribute highp vec2 textureCoordArray; \n" - "varying highp vec2 textureCoords; \n" - "void main(void) \n" - "{ \n" - " gl_Position = vertexCoordsArray; \n" - " textureCoords = textureCoordArray; \n" - "} \n"; - - static const char fragmentShaderSource[] = - "varying highp vec2 textureCoords; \n" - "uniform sampler2D texture; \n" - "void main() \n" - "{ \n" - " gl_FragColor = texture2D(texture, textureCoords); \n" - "} \n"; - - GLuint vertexShader = glCreateShader(GL_VERTEX_SHADER); - GLuint fragmentShader = glCreateShader(GL_FRAGMENT_SHADER); - - if (vertexShader == 0 || fragmentShader == 0) { - GLenum error = glGetError(); - qWarning("SharedGraphicsCacheServer::setupShaderPrograms: Failed to create shaders. (GL error: %x)", - error); - return; - } - - glShaderSource(vertexShader, 1, &vertexShaderSource, NULL); - glShaderSource(fragmentShader, 1, &fragmentShaderSource, NULL); - glCompileShader(vertexShader); - - GLint len = 1; - glGetShaderiv(vertexShader, GL_INFO_LOG_LENGTH, &len); - - char infoLog[2048]; - glGetShaderInfoLog(vertexShader, 2048, NULL, infoLog); - if (qstrlen(infoLog) > 0) { - qWarning("SharedGraphicsCacheServer::setupShaderPrograms, problems compiling vertex shader:\n %s", - infoLog); - //return; - } - - glCompileShader(fragmentShader); - glGetShaderInfoLog(fragmentShader, 2048, NULL, infoLog); - if (qstrlen(infoLog) > 0) { - qWarning("SharedGraphicsCacheServer::setupShaderPrograms, problems compiling fragent shader:\n %s", - infoLog); - //return; - } - - GLuint shaderProgram = glCreateProgram(); - glAttachShader(shaderProgram, vertexShader); - glAttachShader(shaderProgram, fragmentShader); - - glBindAttribLocation(shaderProgram, 0, "vertexCoordsArray"); - glBindAttribLocation(shaderProgram, 1, "textureCoordArray"); - - glLinkProgram(shaderProgram); - glGetProgramInfoLog(shaderProgram, 2048, NULL, infoLog); - if (qstrlen(infoLog) > 0) { - qWarning("SharedGraphicsCacheServer::setupShaderPrograms, problems linking shaders:\n %s", - infoLog); - //return; - } - - glUseProgram(shaderProgram); - glEnableVertexAttribArray(0); - glEnableVertexAttribArray(1); - - int textureUniformLocation = glGetUniformLocation(shaderProgram, "_qt_texture"); - glUniform1i(textureUniformLocation, 0); - } - - glDrawArrays(GL_TRIANGLE_FAN, 0, 4); - - { - GLenum error = glGetError(); - if (error != GL_NO_ERROR) { - qWarning("SharedGraphicsCacheServer::readBackBuffer: glDrawArrays reported error 0x%x", - error); - } - } - - uchar *data = new uchar[width * height * 4]; - - glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, data); - - QImage image(width, height, QImage::Format_ARGB32); - quint32 *dest = reinterpret_cast<quint32 *>(image.bits()); - for (int i=0; i<width*height; ++i) - dest[i] = qRgba(0xff, 0xff, 0xff, data[i]); - - QByteArray fileName = m_cacheId + ' ' + QByteArray::number(textureId); - fileName = fileName.replace('/', '_').replace(' ', '_') + ".png"; - image.save(QString::fromLocal8Bit(fileName)); - - { - GLenum error = glGetError(); - if (error != GL_NO_ERROR) { - qWarning("SharedGraphicsCacheServer::readBackBuffer: glReadPixels reported error 0x%x", - error); - } - } - - glDisableVertexAttribArray(0); - glDisableVertexAttribArray(1); - - glDeleteFramebuffers(1, &fboId); - glDeleteTextures(1, &tmpTexture); - - delete[] data; -} -#endif - namespace { struct TextureContent { QSize size; @@ -683,9 +513,6 @@ void QSGSharedDistanceFieldGlyphCache::processPendingGlyphs() texture.textureId = m_sharedGraphicsCache->textureIdForBuffer(it.key()); texture.size = m_sharedGraphicsCache->sizeOfBuffer(it.key()); -#if defined(QSGSHAREDDISTANCEFIELDGLYPHCACHE_DEBUG_) - saveTexture(texture.textureId, texture.size.width(), texture.size.height()); -#endif setGlyphsTexture(it.value().glyphs, texture); ++it; |