| 471 | } |
| 472 | |
| 473 | void Canvas::DrawRenderTexture() { |
| 474 | if( !m_render_texture ) { |
| 475 | return; |
| 476 | } |
| 477 | |
| 478 | if( !non_legacy_supported ) { |
| 479 | // Matrix mode is currently GL_TEXTURE as set by Renderer. |
| 480 | // We get ready for a surprise from SFML... |
| 481 | CheckGLError( glPushMatrix() ); |
| 482 | sf::Texture::bind( &( m_render_texture->getTexture() ) ); |
| 483 | |
| 484 | if( !m_display_list ) { |
| 485 | m_display_list = glGenLists( 1 ); |
| 486 | |
| 487 | if( !m_display_list ) { |
| 488 | #if defined( SFGUI_DEBUG ) |
| 489 | std::cerr << "SFGUI warning: Canvas failed to create OpenGL display list.\n"; |
| 490 | #endif |
| 491 | } |
| 492 | |
| 493 | CheckGLError( glNewList( m_display_list, GL_COMPILE ) ); |
| 494 | |
| 495 | // Pop the texture matrix that SFML secretly loaded behind our backs... |
| 496 | CheckGLError( glMatrixMode( GL_TEXTURE ) ); |
| 497 | CheckGLError( glPopMatrix() ); |
| 498 | |
| 499 | CheckGLError( glColor3ub( 255, 255, 255 ) ); |
| 500 | |
| 501 | // Oh the horror... not. |
| 502 | CheckGLError( glMatrixMode( GL_MODELVIEW ) ); |
| 503 | CheckGLError( glPushMatrix() ); |
| 504 | CheckGLError( glLoadIdentity() ); |
| 505 | CheckGLError( glMatrixMode( GL_PROJECTION ) ); |
| 506 | CheckGLError( glPushMatrix() ); |
| 507 | CheckGLError( glLoadIdentity() ); |
| 508 | CheckGLError( glBegin( GL_QUADS ) ); |
| 509 | CheckGLError( glTexCoord2s( 0, 0 ) ); |
| 510 | CheckGLError( glVertex2s( -1, -1 ) ); |
| 511 | CheckGLError( glTexCoord2s( 1, 0 ) ); |
| 512 | CheckGLError( glVertex2s( 1, -1 ) ); |
| 513 | CheckGLError( glTexCoord2s( 1, 1 ) ); |
| 514 | CheckGLError( glVertex2s( 1, 1 ) ); |
| 515 | CheckGLError( glTexCoord2s( 0, 1 ) ); |
| 516 | CheckGLError( glVertex2s( -1, 1 ) ); |
| 517 | CheckGLError( glEnd() ); |
| 518 | CheckGLError( glPopMatrix() ); |
| 519 | CheckGLError( glMatrixMode( GL_MODELVIEW ) ); |
| 520 | CheckGLError( glPopMatrix() ); |
| 521 | CheckGLError( glMatrixMode( GL_TEXTURE ) ); |
| 522 | |
| 523 | CheckGLError( glEndList() ); |
| 524 | } |
| 525 | |
| 526 | CheckGLError( glCallList( m_display_list ) ); |
| 527 | } |
| 528 | else { |
| 529 | // Non-Legacy |
| 530 | if( !m_shader ) { |
nothing calls this directly
no outgoing calls
no test coverage detected