diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/library_gl.js | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/library_gl.js b/src/library_gl.js index 65ab7d0f..47ce832d 100644 --- a/src/library_gl.js +++ b/src/library_gl.js @@ -1069,7 +1069,7 @@ var LibraryGL = { #endif if (GL.immediate.mode == 7) { // GL_QUADS if (GL.immediate.vertexCounter % 4 == 0) { - var start = GL.immediate.vertexCounter % 4; + var start = GL.immediate.vertexCounter - 4; GL.immediate.indexData[GL.immediate.indexCounter ] = start; GL.immediate.indexData[GL.immediate.indexCounter+1] = start+1; GL.immediate.indexData[GL.immediate.indexCounter+2] = start+2; @@ -1078,6 +1078,20 @@ var LibraryGL = { GL.immediate.indexData[GL.immediate.indexCounter+5] = start+3; GL.immediate.indexCounter += 6; } + } else if (GL.immediate.mode == 5) { // GL_TRIANGLE_STRIP + if (GL.immediate.vertexCounter >= 3) { + var start = GL.immediate.vertexCounter - 3; + if (GL.immediate.indexCounter % 6 == 0) { + GL.immediate.indexData[GL.immediate.indexCounter ] = start; + GL.immediate.indexData[GL.immediate.indexCounter+1] = start+1; + GL.immediate.indexData[GL.immediate.indexCounter+2] = start+2; + } else { + GL.immediate.indexData[GL.immediate.indexCounter ] = start+1; + GL.immediate.indexData[GL.immediate.indexCounter+1] = start; + GL.immediate.indexData[GL.immediate.indexCounter+2] = start+2; + } + GL.immediate.indexCounter += 3; + } } else { throw 'only GL_QUADS supported so far'; } |