4 files changed, 19 insertions, 6 deletions
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index 1736899cb..9cde52ae6 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -2792,7 +2792,8 @@ compatible_resolve_formats(const struct gl_renderbuffer *colorReadRb,
 {
    /* The simple case where we know the backing formats are the same.
     */
-   if (colorReadRb->Format == colorDrawRb->Format) {
+   if (_mesa_get_srgb_format_linear(colorReadRb->Format) ==
+       _mesa_get_srgb_format_linear(colorDrawRb->Format)) {
       return GL_TRUE;
    }
 
diff --git a/mesalib/src/mesa/main/ff_fragment_shader.cpp b/mesalib/src/mesa/main/ff_fragment_shader.cpp
index e850d47dd..f21cf80ae 100644
--- a/mesalib/src/mesa/main/ff_fragment_shader.cpp
+++ b/mesalib/src/mesa/main/ff_fragment_shader.cpp
@@ -890,10 +890,10 @@ emit_texenv(struct texenv_fragment_program *p, GLuint unit)
       }
       else {
 	 float const_data[4] = {
-	    1 << rgb_shift,
-	    1 << rgb_shift,
-	    1 << rgb_shift,
-	    1 << alpha_shift
+	    float(1 << rgb_shift),
+	    float(1 << rgb_shift),
+	    float(1 << rgb_shift),
+	    float(1 << alpha_shift)
 	 };
 	 shift = new(p->mem_ctx) ir_constant(glsl_type::vec4_type,
 					     (ir_constant_data *)const_data);
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index 83e79a5a3..08af66893 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -2746,7 +2746,7 @@ _mesa_choose_texture_format(struct gl_context *ctx,
    /* If the application requested compression to an S3TC format but we don't
     * have the DTXn library, force a generic compressed format instead.
     */
-   if (internalFormat != format) {
+   if (internalFormat != format && format != GL_NONE) {
       const GLenum before = internalFormat;
 
       switch (internalFormat) {
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c
index 63a63b732..f73e2b5f0 100644
--- a/mesalib/src/mesa/main/texparam.c
+++ b/mesalib/src/mesa/main/texparam.c
@@ -1440,6 +1440,12 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
          *params = (GLfloat) obj->Immutable;
          break;
 
+      case GL_TEXTURE_SRGB_DECODE_EXT:
+         if (!ctx->Extensions.EXT_texture_sRGB_decode)
+            goto invalid_pname;
+         *params = (GLfloat) obj->Sampler.sRGBDecode;
+         break;
+
       default:
          goto invalid_pname;
    }
@@ -1612,6 +1618,12 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
          *params = obj->RequiredTextureImageUnits;
          break;
 
+      case GL_TEXTURE_SRGB_DECODE_EXT:
+         if (!ctx->Extensions.EXT_texture_sRGB_decode)
+            goto invalid_pname;
+         *params = obj->Sampler.sRGBDecode;
+         break;
+
       default:
          goto invalid_pname;
    }