Add proper formats for sRGB without alpha.

[movit] / README

diff --git a/README b/README
index e738f7f4207f8aa868bb706addb7259690fc1dfa..58dac7aacbf47dfa44cd280391bea0a7375f7ac8 100644 (file)
--- a/README
+++ b/README
@@ -21,12 +21,14 @@ OK, you need
   works fine on Linux and OS X, and Movit is not very POSIX-bound.)
 * GNU Make.
 * A GPU capable of running GLSL fragment shaders,
   works fine on Linux and OS X, and Movit is not very POSIX-bound.)
 * GNU Make.
 * A GPU capable of running GLSL fragment shaders,

-  process floating-point textures, and a few other things. If your machine
-  is less than five years old _and you have the appropriate drivers_,
-  you're home free.
-* The [Eigen 3] and [Google Test] libraries. (The library itself
-  depends only on the former, but you probably want to run the unit tests.)
-* The [GLEW] library, for dealing with OpenGL extensions on various
+  processing floating-point textures, and a few other things (all are
+  part of OpenGL 3.0 or newer, although most OpenGL 2.0 cards also
+  have what's needed through extensions). If your machine is less than five
+  years old _and you have the appropriate drivers_, you're home free.
+  GLES3 (for mobile devices) will also work.
+* The [Eigen 3], [FFTW3] and [Google Test] libraries. (The library itself
+  does not depend on the latter, but you probably want to run the unit tests.)
+* The [epoxy] library, for dealing with OpenGL extensions on various

   platforms.
 
 Movit has been tested with Intel GPUs with the Mesa drivers
   platforms.
 
 Movit has been tested with Intel GPUs with the Mesa drivers


@@ -54,7 +56,8 @@ all research-grade problems, and Movit is currently not there.)
 TL;DR, but I am interested in a programming example instead
 ===========================================================
 
 TL;DR, but I am interested in a programming example instead
 ===========================================================
 

-Assuming you have an OpenGL context already set up:
+Assuming you have an OpenGL context already set up (either a classic OpenGL
+context, a GL 3.x forward-compatible or core context, or a GLES3 context):

 
 <code>
   using namespace movit;
 
 <code>
   using namespace movit;