------------------------------------------------------------------------------
| 789 | |
| 790 | //------------------------------------------------------------------------------ |
| 791 | unsigned int vtkTextureObject::GetDefaultFormat( |
| 792 | int vtktype, int numComps, bool shaderSupportsTextureInt) |
| 793 | { |
| 794 | if (vtktype == VTK_VOID) |
| 795 | { |
| 796 | return GL_DEPTH_COMPONENT; |
| 797 | } |
| 798 | |
| 799 | if (this->SupportsTextureInteger && shaderSupportsTextureInt && |
| 800 | (vtktype == VTK_SIGNED_CHAR || vtktype == VTK_UNSIGNED_CHAR || vtktype == VTK_SHORT || |
| 801 | vtktype == VTK_UNSIGNED_SHORT || vtktype == VTK_INT || vtktype == VTK_UNSIGNED_INT)) |
| 802 | { |
| 803 | switch (numComps) |
| 804 | { |
| 805 | case 1: |
| 806 | return GL_RED_INTEGER; |
| 807 | case 2: |
| 808 | return GL_RG_INTEGER; |
| 809 | #ifdef GL_ES_VERSION_3_0 |
| 810 | case 3: |
| 811 | return GL_RGB_INTEGER; |
| 812 | case 4: |
| 813 | return GL_RGBA_INTEGER; |
| 814 | #else |
| 815 | case 3: |
| 816 | return GL_RGB_INTEGER_EXT; |
| 817 | case 4: |
| 818 | return GL_RGBA_INTEGER_EXT; |
| 819 | #endif |
| 820 | } |
| 821 | } |
| 822 | else |
| 823 | { |
| 824 | switch (numComps) |
| 825 | { |
| 826 | case 1: |
| 827 | return GL_RED; |
| 828 | case 2: |
| 829 | return GL_RG; |
| 830 | case 3: |
| 831 | return GL_RGB; |
| 832 | case 4: |
| 833 | return GL_RGBA; |
| 834 | } |
| 835 | } |
| 836 | return GL_RGB; |
| 837 | } |
| 838 | |
| 839 | //------------------------------------------------------------------------------ |
| 840 | void vtkTextureObject::SetFormat(unsigned int glFormat) |
no outgoing calls
no test coverage detected