diff options
Diffstat (limited to 'src/library_gl.js')
| -rw-r--r-- | src/library_gl.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/library_gl.js b/src/library_gl.js index fbf5bb12..72918e5a 100644 --- a/src/library_gl.js +++ b/src/library_gl.js @@ -118,6 +118,8 @@ var LibraryGL = { GL.anisotropicExt = Module.ctx.getExtension('EXT_texture_filter_anisotropic') || Module.ctx.getExtension('MOZ_EXT_texture_filter_anisotropic') || Module.ctx.getExtension('WEBKIT_EXT_texture_filter_anisotropic'); + + GL.floatExt = Module.ctx.getExtension('OES_texture_float'); } }, @@ -339,12 +341,28 @@ var LibraryGL = { case 0x8034 /* GL_UNSIGNED_SHORT_5_5_5_1 */: sizePerPixel = 2; break; + case 0x1406 /* GL_FLOAT */: + assert(GL.floatExt, 'Must have OES_texture_float to use float textures'); + switch (format) { + case 0x1907 /* GL_RGB */: + sizePerPixel = 3*4; + break; + case 0x1908 /* GL_RGBA */: + sizePerPixel = 4*4; + break; + default: + throw 'Invalid format (' + format + ') passed to glTexImage2D'; + } + internalformat = Module.ctx.RGBA; // XXX + break; default: throw 'Invalid type (' + type + ') passed to glTexImage2D'; } var bytes = GL.computeImageSize(width, height, sizePerPixel, GL.unpackAlignment); if (type == 0x1401 /* GL_UNSIGNED_BYTE */) { pixels = {{{ makeHEAPView('U8', 'pixels', 'pixels+bytes') }}}; + } else if (type == 0x1406 /* GL_FLOAT */) { + pixels = {{{ makeHEAPView('F32', 'pixels', 'pixels+bytes') }}}; } else { pixels = {{{ makeHEAPView('U16', 'pixels', 'pixels+bytes') }}}; } @@ -382,12 +400,27 @@ var LibraryGL = { case 0x8034 /* GL_UNSIGNED_SHORT_5_5_5_1 */: sizePerPixel = 2; break; + case 0x1406 /* GL_FLOAT */: + assert(GL.floatExt, 'Must have OES_texture_float to use float textures'); + switch (format) { + case 0x1907 /* GL_RGB */: + sizePerPixel = 3*4; + break; + case 0x1908 /* GL_RGBA */: + sizePerPixel = 4*4; + break; + default: + throw 'Invalid format (' + format + ') passed to glTexSubImage2D'; + } + break; default: throw 'Invalid type (' + type + ') passed to glTexSubImage2D'; } var bytes = GL.computeImageSize(width, height, sizePerPixel, GL.unpackAlignment); if (type == 0x1401 /* GL_UNSIGNED_BYTE */) { pixels = {{{ makeHEAPView('U8', 'pixels', 'pixels+bytes') }}}; + } else if (type == 0x1406 /* GL_FLOAT */) { + pixels = {{{ makeHEAPView('F32', 'pixels', 'pixels+bytes') }}}; } else { pixels = {{{ makeHEAPView('U16', 'pixels', 'pixels+bytes') }}}; } |