Add two new extensions: colorBufferFloatExtension, colorBufferHalfFlo…

…atExtension
mortennobel · Aug 3, 2013 · f34e556 · f34e556
1 parent 0cce594
commit f34e556
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Showing 2 changed files with 41 additions and 0 deletions.
diff --git a/src/js/kick/core/GLState.js b/src/js/kick/core/GLState.js
@@ -22,6 +22,8 @@ define(["kick/core/Constants", "kick/core/Util"], function (constants, Util) {
             textureFilterAnisotropicExt = null,
             drawBuffersExt = null,
             elementIndexUIntExt = null,
+            colorBufferFloatExt = null,
+            colorBufferHalfFloatExt = null,
             reloadExtensions = function(){
                 vertexArrayObjectExt = engine.getGLExtension("OES_vertex_array_object");
                 standardDerivativesExt = engine.getGLExtension("OES_standard_derivatives");
@@ -31,6 +33,8 @@ define(["kick/core/Constants", "kick/core/Util"], function (constants, Util) {
                 textureFilterAnisotropicExt = engine.getGLExtension("EXT_texture_filter_anisotropic") || engine.getGLExtension("WEBGL_texture_filter_anisotropic");
                 drawBuffersExt = engine.getGLExtension("EXT_draw_buffers") || engine.getGLExtension("WEBGL_draw_buffers");
                 elementIndexUIntExt = engine.getGLExtension("OES_element_index_uint");
+                colorBufferFloatExt = engine.getGLExtension("WEBGL_color_buffer_float") || engine.getGLExtension("EXT_color_buffer_float");
+                colorBufferHalfFloatExt = engine.getGLExtension("EXT_color_buffer_half_float");
             },
             clearExtensions = function(){
                 vertexArrayObjectExt = null;
@@ -41,6 +45,8 @@ define(["kick/core/Constants", "kick/core/Util"], function (constants, Util) {
                 textureFilterAnisotropicExt = null;
                 drawBuffersExt = null;
                 elementIndexUIntExt = null;
+                colorBufferFloatExt = null;
+                colorBufferHalfFloatExt = null;
             };
         /**
          * The current clear color
@@ -245,6 +251,32 @@ define(["kick/core/Constants", "kick/core/Util"], function (constants, Util) {
                     return elementIndexUIntExt;
                 },
                 enumerable:true
+            },
+            /**
+             * Adds support for rendering to 32-bit floating-point color buffers.
+             * See http://www.khronos.org/registry/webgl/extensions/WEBGL_color_buffer_float/
+             * @property colorBufferFloatExtension
+             * @type Object
+             * @final
+             */
+            colorBufferFloatExtension:{
+                get: function(){
+                    return colorBufferFloatExt;
+                },
+                enumerable:true
+            },
+            /**
+             * This extension exposes the EXT_color_buffer_half_float functionality to WebGL.
+             * See http://www.khronos.org/registry/webgl/extensions/EXT_color_buffer_half_float/
+             * @property colorBufferHalfFloatExtension
+             * @type Object
+             * @final
+             */
+            colorBufferHalfFloatExtension:{
+                get: function(){
+                    return colorBufferHalfFloatExt;
+                },
+                enumerable:true
             }
         });
 

diff --git a/tool/extension_viewer/extension_viewer.js b/tool/extension_viewer/extension_viewer.js
@@ -54,7 +54,16 @@ requirejs(['kick'],
                     return "Max color attachments: " + engine.gl.getParameter(constants.GL_MAX_COLOR_ATTACHMENTS)+"<br>"+
                         "Max draw buffers: "+engine.gl.getParameter(constants.GL_MAX_DRAW_BUFFERS);
                 }
+            },
+            colorBufferFloatExtension: {
+                name:"WEBGL_color_buffer_float",
+                link:"http://www.khronos.org/registry/webgl/extensions/WEBGL_color_buffer_float/"
+            },
+            colorBufferHalfFloatExtension:{
+                name: "EXT_color_buffer_half_float",
+                link: "http://www.khronos.org/registry/webgl/extensions/EXT_color_buffer_half_float/"
             }
+
         };
 
         var data = [];