1*8975f5c5SAndroid Build Coastguard WorkerName 2*8975f5c5SAndroid Build Coastguard Worker 3*8975f5c5SAndroid Build Coastguard Worker ANGLE_polygon_mode 4*8975f5c5SAndroid Build Coastguard Worker 5*8975f5c5SAndroid Build Coastguard WorkerName Strings 6*8975f5c5SAndroid Build Coastguard Worker 7*8975f5c5SAndroid Build Coastguard Worker GL_ANGLE_polygon_mode 8*8975f5c5SAndroid Build Coastguard Worker 9*8975f5c5SAndroid Build Coastguard WorkerStatus 10*8975f5c5SAndroid Build Coastguard Worker 11*8975f5c5SAndroid Build Coastguard Worker Draft 12*8975f5c5SAndroid Build Coastguard Worker 13*8975f5c5SAndroid Build Coastguard WorkerVersion 14*8975f5c5SAndroid Build Coastguard Worker 15*8975f5c5SAndroid Build Coastguard Worker Last Modified Date: March 31, 2023 16*8975f5c5SAndroid Build Coastguard Worker Revision: 1 17*8975f5c5SAndroid Build Coastguard Worker 18*8975f5c5SAndroid Build Coastguard WorkerNumber 19*8975f5c5SAndroid Build Coastguard Worker 20*8975f5c5SAndroid Build Coastguard Worker OpenGL ES Extension XX 21*8975f5c5SAndroid Build Coastguard Worker 22*8975f5c5SAndroid Build Coastguard WorkerDependencies 23*8975f5c5SAndroid Build Coastguard Worker 24*8975f5c5SAndroid Build Coastguard Worker This extension is written against the OpenGL ES 3.1 (November 3, 2016) 25*8975f5c5SAndroid Build Coastguard Worker specification, but can apply to earlier versions. 26*8975f5c5SAndroid Build Coastguard Worker 27*8975f5c5SAndroid Build Coastguard WorkerOverview 28*8975f5c5SAndroid Build Coastguard Worker 29*8975f5c5SAndroid Build Coastguard Worker Rendering triangle primitives as lines, i.e., in a wireframe mode, 30*8975f5c5SAndroid Build Coastguard Worker is useful for debugging GPU applications. 31*8975f5c5SAndroid Build Coastguard Worker 32*8975f5c5SAndroid Build Coastguard Worker This effect cannot be achieved by drawing the same triangle primitives with 33*8975f5c5SAndroid Build Coastguard Worker the LINES mode due to differences in primitive assembly and rasterization. 34*8975f5c5SAndroid Build Coastguard Worker Moreover, polygon offset state is ignored for line primitives thus making 35*8975f5c5SAndroid Build Coastguard Worker the wireframe overlay even more difficult to be rendered correctly. 36*8975f5c5SAndroid Build Coastguard Worker 37*8975f5c5SAndroid Build Coastguard Worker This extension has the same semantics as NV_polygon_mode but the point 38*8975f5c5SAndroid Build Coastguard Worker rasterization mode is omitted to support the extension on layered OpenGL ES 39*8975f5c5SAndroid Build Coastguard Worker implementations, such as ANGLE, when the underlying API does not support 40*8975f5c5SAndroid Build Coastguard Worker point rasterization mode. 41*8975f5c5SAndroid Build Coastguard Worker 42*8975f5c5SAndroid Build Coastguard WorkerNew Procedures and Functions 43*8975f5c5SAndroid Build Coastguard Worker 44*8975f5c5SAndroid Build Coastguard Worker void PolygonModeANGLE(enum face, enum mode); 45*8975f5c5SAndroid Build Coastguard Worker 46*8975f5c5SAndroid Build Coastguard WorkerNew Tokens 47*8975f5c5SAndroid Build Coastguard Worker 48*8975f5c5SAndroid Build Coastguard Worker Accepted by the <pname> parameter to GetIntegerv: 49*8975f5c5SAndroid Build Coastguard Worker 50*8975f5c5SAndroid Build Coastguard Worker POLYGON_MODE_ANGLE 0x0B40 51*8975f5c5SAndroid Build Coastguard Worker 52*8975f5c5SAndroid Build Coastguard Worker Accepted by the <pname> parameters of Enable, Disable and IsEnabled: 53*8975f5c5SAndroid Build Coastguard Worker 54*8975f5c5SAndroid Build Coastguard Worker POLYGON_OFFSET_LINE_ANGLE 0x2A02 55*8975f5c5SAndroid Build Coastguard Worker 56*8975f5c5SAndroid Build Coastguard Worker Returned by GetIntegerv, GetFloatv, and GetInteger64v when <pname> is 57*8975f5c5SAndroid Build Coastguard Worker POLYGON_MODE_ANGLE: 58*8975f5c5SAndroid Build Coastguard Worker 59*8975f5c5SAndroid Build Coastguard Worker LINE_ANGLE 0x1B01 60*8975f5c5SAndroid Build Coastguard Worker FILL_ANGLE 0x1B02 61*8975f5c5SAndroid Build Coastguard Worker 62*8975f5c5SAndroid Build Coastguard WorkerNew State 63*8975f5c5SAndroid Build Coastguard Worker 64*8975f5c5SAndroid Build Coastguard Worker Modify Table 20.6, Rasterization 65*8975f5c5SAndroid Build Coastguard Worker 66*8975f5c5SAndroid Build Coastguard Worker Add: 67*8975f5c5SAndroid Build Coastguard Worker 68*8975f5c5SAndroid Build Coastguard Worker Initial 69*8975f5c5SAndroid Build Coastguard Worker Get Value Type Get Command Value Description Sec. 70*8975f5c5SAndroid Build Coastguard Worker ----------------------- ---- ----------- ---------- --------------------------- ------ 71*8975f5c5SAndroid Build Coastguard Worker POLYGON_MODE_ANGLE E GetIntegerv FILL_ANGLE Polygon rasterization mode 13.5.1pm 72*8975f5c5SAndroid Build Coastguard Worker (front & back) 73*8975f5c5SAndroid Build Coastguard Worker POLYGON_OFFSET_LINE_ANGLE B IsEnabled FALSE Polygon offset enable for 13.5.2 74*8975f5c5SAndroid Build Coastguard Worker LINE_ANGLE mode rasterization 75*8975f5c5SAndroid Build Coastguard Worker 76*8975f5c5SAndroid Build Coastguard Worker Change description for POLYGON_OFFSET_FILL to "Polygon offset enable for 77*8975f5c5SAndroid Build Coastguard Worker FILL_ANGLE mode rasterization" 78*8975f5c5SAndroid Build Coastguard Worker 79*8975f5c5SAndroid Build Coastguard WorkerErrors 80*8975f5c5SAndroid Build Coastguard Worker 81*8975f5c5SAndroid Build Coastguard Worker An INVALID_ENUM error is generated by PolygonModeANGLE if <face> is not 82*8975f5c5SAndroid Build Coastguard Worker FRONT_AND_BACK. 83*8975f5c5SAndroid Build Coastguard Worker 84*8975f5c5SAndroid Build Coastguard Worker An INVALID_ENUM error is generated by PolygonModeANGLE if <mode> is not 85*8975f5c5SAndroid Build Coastguard Worker one of LINE_ANGLE or FILL_ANGLE. 86*8975f5c5SAndroid Build Coastguard Worker 87*8975f5c5SAndroid Build Coastguard WorkerRevision History 88*8975f5c5SAndroid Build Coastguard Worker 89*8975f5c5SAndroid Build Coastguard Worker 3/31/2023 First revision 90