mesa fontconfig git update 7 Feb 2013

fontconfig       commit 96220a5ed9d1d761b14a7ac516ac6786c132f280
mesa             commit 9ba1e23647c09290c98cc7133fb73dd1df1da8ab

10 files changed, 201 insertions, 121 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 26d1923b5..ba4f17a3d 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -492,7 +492,7 @@ make_texture(struct st_context *st,
    /* Choose a pixel format for the temp texture which will hold the
     * image to draw.
     */
-   pipeFormat = st_choose_format(pipe->screen, intFormat, format, type,
+   pipeFormat = st_choose_format(st, intFormat, format, type,
                                  PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW,
                                  FALSE);
    assert(pipeFormat != PIPE_FORMAT_NONE);
@@ -1499,7 +1499,7 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
    else {
       /* srcFormat can't be used as a texture format */
       if (type == GL_DEPTH) {
-         texFormat = st_choose_format(screen, GL_DEPTH_COMPONENT,
+         texFormat = st_choose_format(st, GL_DEPTH_COMPONENT,
                                       GL_NONE, GL_NONE, st->internal_target,
                                       sample_count, PIPE_BIND_DEPTH_STENCIL,
                                       FALSE);
@@ -1507,7 +1507,7 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
       }
       else {
          /* default color format */
-         texFormat = st_choose_format(screen, GL_RGBA,
+         texFormat = st_choose_format(st, GL_RGBA,
                                       GL_NONE, GL_NONE, st->internal_target,
                                       sample_count, PIPE_BIND_SAMPLER_VIEW,
                                       FALSE);
diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.c b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
index d042ebabf..72bc960b0 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_fbo.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
@@ -63,7 +63,7 @@ st_renderbuffer_alloc_sw_storage(struct gl_context * ctx,
                                  GLenum internalFormat,
                                  GLuint width, GLuint height)
 {
-   struct pipe_screen *screen = st_context(ctx)->pipe->screen;
+   struct st_context *st = st_context(ctx);
    struct st_renderbuffer *strb = st_renderbuffer(rb);
    enum pipe_format format;
    size_t size;
@@ -80,7 +80,7 @@ st_renderbuffer_alloc_sw_storage(struct gl_context * ctx,
       format = PIPE_FORMAT_R16G16B16A16_SNORM;
    }
    else {
-      format = st_choose_renderbuffer_format(screen, internalFormat, 0);
+      format = st_choose_renderbuffer_format(st, internalFormat, 0);
 
       /* Not setting gl_renderbuffer::Format here will cause
        * FRAMEBUFFER_UNSUPPORTED and ValidateFramebuffer will not be called.
@@ -153,7 +153,7 @@ st_renderbuffer_alloc_storage(struct gl_context * ctx,
       unsigned i;
 
       for (i = rb->NumSamples; i <= ctx->Const.MaxSamples; i++) {
-         format = st_choose_renderbuffer_format(screen, internalFormat, i);
+         format = st_choose_renderbuffer_format(st, internalFormat, i);
 
          if (format != PIPE_FORMAT_NONE) {
             rb->NumSamples = i;
@@ -161,7 +161,7 @@ st_renderbuffer_alloc_storage(struct gl_context * ctx,
          }
       }
    } else {
-      format = st_choose_renderbuffer_format(screen, internalFormat, 0);
+      format = st_choose_renderbuffer_format(st, internalFormat, 0);
    }
 
    /* Not setting gl_renderbuffer::Format here will cause
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 80a440d18..ab5ff27b3 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -596,7 +596,7 @@ decompress_with_blit(struct gl_context * ctx,
    pipe_target = gl_target_to_pipe(gl_target);
 
    /* Find the best match for the format+type combo. */
-   pipe_format = st_choose_format(pipe->screen, GL_RGBA8, format, type,
+   pipe_format = st_choose_format(st, GL_RGBA8, format, type,
                                   pipe_target, 0, bind, FALSE);
    if (pipe_format == PIPE_FORMAT_NONE) {
       /* unable to get an rgba format!?! */
diff --git a/mesalib/src/mesa/state_tracker/st_context.c b/mesalib/src/mesa/state_tracker/st_context.c
index b416319e1..676fc069d 100644
--- a/mesalib/src/mesa/state_tracker/st_context.c
+++ b/mesalib/src/mesa/state_tracker/st_context.c
@@ -182,6 +182,7 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
 
    st->has_stencil_export =
       screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT);
+   st->has_shader_model3 = screen->get_param(screen, PIPE_CAP_SM3);
 
    /* GL limits and extensions */
    st_init_limits(st);
diff --git a/mesalib/src/mesa/state_tracker/st_context.h b/mesalib/src/mesa/state_tracker/st_context.h
index 70ee671d0..726c64d04 100644
--- a/mesalib/src/mesa/state_tracker/st_context.h
+++ b/mesalib/src/mesa/state_tracker/st_context.h
@@ -84,6 +84,7 @@ struct st_context
    GLboolean clamp_vert_color_in_shader;
    boolean has_stencil_export; /**< can do shader stencil export? */
    boolean has_time_elapsed;
+   boolean has_shader_model3;
 
    /* On old libGL's for linux we need to invalidate the drawables
     * on glViewpport calls, this is set via a option.
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 214588f1f..4d2d43d7e 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -597,6 +597,7 @@ void st_init_extensions(struct st_context *st)
       /* Extensions that either depend on GLSL 1.30 or are a subset thereof. */
       ctx->Extensions.ARB_conservative_depth = GL_TRUE;
       ctx->Extensions.ARB_shader_bit_encoding = GL_TRUE;
+      ctx->Extensions.ARB_shading_language_packing = GL_TRUE;
       ctx->Extensions.OES_depth_texture_cube_map = GL_TRUE;
    } else {
       /* Optional integer support for GLSL 1.2. */
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index 2169bed89..5b6e74d50 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -184,7 +184,7 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
       return PIPE_FORMAT_R16_UNORM;
    case MESA_FORMAT_GR88:
       return PIPE_FORMAT_R8G8_UNORM;
-   case MESA_FORMAT_RG1616:
+   case MESA_FORMAT_GR1616:
       return PIPE_FORMAT_R16G16_UNORM;
    case MESA_FORMAT_RGBA_16:
       return PIPE_FORMAT_R16G16B16A16_UNORM;
@@ -357,6 +357,38 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
       return PIPE_FORMAT_R11G11B10_FLOAT;
    case MESA_FORMAT_ARGB2101010_UINT:
       return PIPE_FORMAT_B10G10R10A2_UINT;
+
+   case MESA_FORMAT_XRGB4444_UNORM:
+      return PIPE_FORMAT_B4G4R4X4_UNORM;
+   case MESA_FORMAT_XRGB1555_UNORM:
+      return PIPE_FORMAT_B5G5R5X1_UNORM;
+   case MESA_FORMAT_XBGR8888_SNORM:
+      return PIPE_FORMAT_R8G8B8X8_SNORM;
+   case MESA_FORMAT_XBGR8888_SRGB:
+      return PIPE_FORMAT_R8G8B8X8_SRGB;
+   case MESA_FORMAT_XBGR8888_UINT:
+      return PIPE_FORMAT_R8G8B8X8_UINT;
+   case MESA_FORMAT_XBGR8888_SINT:
+      return PIPE_FORMAT_R8G8B8X8_SINT;
+   case MESA_FORMAT_XRGB2101010_UNORM:
+      return PIPE_FORMAT_B10G10R10X2_UNORM;
+   case MESA_FORMAT_XBGR16161616_UNORM:
+      return PIPE_FORMAT_R16G16B16X16_UNORM;
+   case MESA_FORMAT_XBGR16161616_SNORM:
+      return PIPE_FORMAT_R16G16B16X16_SNORM;
+   case MESA_FORMAT_XBGR16161616_FLOAT:
+      return PIPE_FORMAT_R16G16B16X16_FLOAT;
+   case MESA_FORMAT_XBGR16161616_UINT:
+      return PIPE_FORMAT_R16G16B16X16_UINT;
+   case MESA_FORMAT_XBGR16161616_SINT:
+      return PIPE_FORMAT_R16G16B16X16_SINT;
+   case MESA_FORMAT_XBGR32323232_FLOAT:
+      return PIPE_FORMAT_R32G32B32X32_FLOAT;
+   case MESA_FORMAT_XBGR32323232_UINT:
+      return PIPE_FORMAT_R32G32B32X32_UINT;
+   case MESA_FORMAT_XBGR32323232_SINT:
+      return PIPE_FORMAT_R32G32B32X32_SINT;
+
    default:
       assert(0);
       return PIPE_FORMAT_NONE;
@@ -509,7 +541,7 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
    case PIPE_FORMAT_R8G8_UNORM:
       return MESA_FORMAT_GR88;
    case PIPE_FORMAT_R16G16_UNORM:
-      return MESA_FORMAT_RG1616;
+      return MESA_FORMAT_GR1616;
 
    case PIPE_FORMAT_A8_UINT:
       return MESA_FORMAT_ALPHA_UINT8;
@@ -679,6 +711,38 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
 
    case PIPE_FORMAT_B10G10R10A2_UINT:
       return MESA_FORMAT_ARGB2101010_UINT;
+
+   case PIPE_FORMAT_B4G4R4X4_UNORM:
+      return MESA_FORMAT_XRGB4444_UNORM;
+   case PIPE_FORMAT_B5G5R5X1_UNORM:
+      return MESA_FORMAT_XRGB1555_UNORM;
+   case PIPE_FORMAT_R8G8B8X8_SNORM:
+      return MESA_FORMAT_XBGR8888_SNORM;
+   case PIPE_FORMAT_R8G8B8X8_SRGB:
+      return MESA_FORMAT_XBGR8888_SRGB;
+   case PIPE_FORMAT_R8G8B8X8_UINT:
+      return MESA_FORMAT_XBGR8888_UINT;
+   case PIPE_FORMAT_R8G8B8X8_SINT:
+      return MESA_FORMAT_XBGR8888_SINT;
+   case PIPE_FORMAT_B10G10R10X2_UNORM:
+      return MESA_FORMAT_XRGB2101010_UNORM;
+   case PIPE_FORMAT_R16G16B16X16_UNORM:
+      return MESA_FORMAT_XBGR16161616_UNORM;
+   case PIPE_FORMAT_R16G16B16X16_SNORM:
+      return MESA_FORMAT_XBGR16161616_SNORM;
+   case PIPE_FORMAT_R16G16B16X16_FLOAT:
+      return MESA_FORMAT_XBGR16161616_FLOAT;
+   case PIPE_FORMAT_R16G16B16X16_UINT:
+      return MESA_FORMAT_XBGR16161616_UINT;
+   case PIPE_FORMAT_R16G16B16X16_SINT:
+      return MESA_FORMAT_XBGR16161616_SINT;
+   case PIPE_FORMAT_R32G32B32X32_FLOAT:
+      return MESA_FORMAT_XBGR32323232_FLOAT;
+   case PIPE_FORMAT_R32G32B32X32_UINT:
+      return MESA_FORMAT_XBGR32323232_UINT;
+   case PIPE_FORMAT_R32G32B32X32_SINT:
+      return MESA_FORMAT_XBGR32323232_SINT;
+
    default:
       assert(0);
       return MESA_FORMAT_NONE;
@@ -692,26 +756,24 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
 struct format_mapping
 {
    GLenum glFormats[18];       /**< list of GLenum formats, 0-terminated */
-   enum pipe_format pipeFormats[10]; /**< list of pipe formats, 0-terminated */
+   enum pipe_format pipeFormats[13]; /**< list of pipe formats, 0-terminated */
 };
 
 
 #define DEFAULT_RGBA_FORMATS \
       PIPE_FORMAT_B8G8R8A8_UNORM, \
+      PIPE_FORMAT_R8G8B8A8_UNORM, \
       PIPE_FORMAT_A8R8G8B8_UNORM, \
       PIPE_FORMAT_A8B8G8R8_UNORM, \
-      PIPE_FORMAT_B5G6R5_UNORM, \
       0
 
 #define DEFAULT_RGB_FORMATS \
       PIPE_FORMAT_B8G8R8X8_UNORM, \
+      PIPE_FORMAT_R8G8B8X8_UNORM, \
       PIPE_FORMAT_X8R8G8B8_UNORM, \
       PIPE_FORMAT_X8B8G8R8_UNORM, \
-      PIPE_FORMAT_B8G8R8A8_UNORM, \
-      PIPE_FORMAT_A8R8G8B8_UNORM, \
-      PIPE_FORMAT_A8B8G8R8_UNORM, \
       PIPE_FORMAT_B5G6R5_UNORM, \
-      0
+      DEFAULT_RGBA_FORMATS
 
 #define DEFAULT_SRGBA_FORMATS \
       PIPE_FORMAT_B8G8R8A8_SRGB, \
@@ -744,7 +806,12 @@ struct format_mapping
 static const struct format_mapping format_map[] = {
    /* Basic RGB, RGBA formats */
    {
-      { GL_RGB10, GL_RGB10_A2, 0 },
+      { GL_RGB10, 0 },
+      { PIPE_FORMAT_B10G10R10X2_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM,
+        DEFAULT_RGB_FORMATS }
+   },
+   {
+      { GL_RGB10_A2, 0 },
       { PIPE_FORMAT_B10G10R10A2_UNORM, DEFAULT_RGBA_FORMATS }
    },
    {
@@ -760,7 +827,12 @@ static const struct format_mapping format_map[] = {
       { DEFAULT_RGB_FORMATS }
    },
    {
-      { GL_RGB12, GL_RGB16, GL_RGBA12, GL_RGBA16, 0 },
+      { GL_RGB12, GL_RGB16, 0 },
+      { PIPE_FORMAT_R16G16B16X16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
+        DEFAULT_RGB_FORMATS }
+   },
+   {
+      { GL_RGBA12, GL_RGBA16, 0 },
       { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS }
    },
    {
@@ -774,16 +846,21 @@ static const struct format_mapping format_map[] = {
    {
       { GL_R3_G3_B2, 0 },
       { PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_B5G6R5_UNORM,
-        PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
+        PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGB_FORMATS }
    },
    {
-      { GL_RGB5, GL_RGB4 },
-      { PIPE_FORMAT_B5G6R5_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM,
-        DEFAULT_RGBA_FORMATS }
+      { GL_RGB4 },
+      { PIPE_FORMAT_B4G4R4X4_UNORM, PIPE_FORMAT_B4G4R4A4_UNORM,
+        DEFAULT_RGB_FORMATS }
+   },
+   {
+      { GL_RGB5 },
+      { PIPE_FORMAT_B5G5R5X1_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM,
+        DEFAULT_RGB_FORMATS }
    },
    {
       { GL_RGB565 },
-      { PIPE_FORMAT_B5G6R5_UNORM, DEFAULT_RGBA_FORMATS }
+      { PIPE_FORMAT_B5G6R5_UNORM, DEFAULT_RGB_FORMATS }
    },
 
    /* basic Alpha formats */
@@ -923,12 +1000,17 @@ static const struct format_mapping format_map[] = {
 
    /* sRGB formats */
    {
-      { GL_SRGB_EXT, GL_SRGB8_EXT, GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
+      { GL_SRGB_EXT, GL_SRGB8_EXT, 0 },
+      { PIPE_FORMAT_R8G8B8X8_SRGB, DEFAULT_SRGBA_FORMATS }
+   },
+   {
+      { GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
       { DEFAULT_SRGBA_FORMATS }
    },
    {
       { GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 },
-      { PIPE_FORMAT_DXT1_SRGB, DEFAULT_SRGBA_FORMATS }
+      { PIPE_FORMAT_DXT1_SRGB, PIPE_FORMAT_R8G8B8X8_SRGB,
+        DEFAULT_SRGBA_FORMATS }
    },
    {
       { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 },
@@ -945,11 +1027,12 @@ static const struct format_mapping format_map[] = {
    },
    {
       { GL_SLUMINANCE_ALPHA_EXT, GL_SLUMINANCE8_ALPHA8_EXT,
-        GL_COMPRESSED_SLUMINANCE_EXT, GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 },
+        GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 },
       { PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS }
    },
    {
-      { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, 0 },
+      { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, GL_COMPRESSED_SLUMINANCE_EXT,
+        0 },
       { PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS }
    },
 
@@ -960,7 +1043,8 @@ static const struct format_mapping format_map[] = {
    },
    {
       { GL_RGB16F_ARB, 0 },
-      { PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
+      { PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16X16_FLOAT,
+        PIPE_FORMAT_R16G16B16A16_FLOAT,
         PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
    },
    {
@@ -1005,8 +1089,8 @@ static const struct format_mapping format_map[] = {
    },
    {
       { GL_RGB32F_ARB, 0 },
-      { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
-        PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
+      { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32X32_FLOAT,
+        PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
    },
    {
       { GL_LUMINANCE_ALPHA32F_ARB, 0 },
@@ -1106,10 +1190,7 @@ static const struct format_mapping format_map[] = {
    /* signed/unsigned integer formats.
     */
    {
-      { GL_RED_INTEGER_EXT,
-        GL_GREEN_INTEGER_EXT,
-        GL_BLUE_INTEGER_EXT,
-        GL_RGBA_INTEGER_EXT,
+      { GL_RGBA_INTEGER_EXT,
         GL_BGRA_INTEGER_EXT,
         GL_RGBA8I_EXT, 0 },
       { PIPE_FORMAT_R8G8B8A8_SINT, 0 }
@@ -1117,8 +1198,9 @@ static const struct format_mapping format_map[] = {
    {
       { GL_RGB_INTEGER_EXT, 
         GL_BGR_INTEGER_EXT,
-        GL_RGB8I_EXT, 0 },
-      { PIPE_FORMAT_R8G8B8_SINT,
+        GL_RGB8I_EXT,
+        GL_BLUE_INTEGER_EXT, 0 },
+      { PIPE_FORMAT_R8G8B8_SINT, PIPE_FORMAT_R8G8B8X8_SINT,
         PIPE_FORMAT_R8G8B8A8_SINT, 0 }
    },
    {
@@ -1222,7 +1304,7 @@ static const struct format_mapping format_map[] = {
    },
    {
       { GL_RGB16I_EXT, 0 },
-      { PIPE_FORMAT_R16G16B16_SINT,
+      { PIPE_FORMAT_R16G16B16_SINT, PIPE_FORMAT_R16G16B16X16_SINT,
         PIPE_FORMAT_R16G16B16A16_SINT, 0 },
    },
    {
@@ -1231,7 +1313,7 @@ static const struct format_mapping format_map[] = {
    },
    {
       { GL_RGB32I_EXT, 0 },
-      { PIPE_FORMAT_R32G32B32_SINT,
+      { PIPE_FORMAT_R32G32B32_SINT, PIPE_FORMAT_R32G32B32X32_SINT,
         PIPE_FORMAT_R32G32B32A32_SINT, 0 },
    },
    {
@@ -1244,12 +1326,12 @@ static const struct format_mapping format_map[] = {
    },
    {
       { GL_RGB8UI_EXT, 0 },
-      { PIPE_FORMAT_R8G8B8_UINT,
+      { PIPE_FORMAT_R8G8B8_UINT, PIPE_FORMAT_R8G8B8X8_UINT,
         PIPE_FORMAT_R8G8B8A8_UINT, 0 }
    },
    {
       { GL_RGB16UI_EXT, 0 },
-      { PIPE_FORMAT_R16G16B16_UINT,
+      { PIPE_FORMAT_R16G16B16_UINT, PIPE_FORMAT_R16G16B16X16_UINT,
         PIPE_FORMAT_R16G16B16A16_UINT, 0 }
    },
    {
@@ -1258,7 +1340,7 @@ static const struct format_mapping format_map[] = {
    },
    {
       { GL_RGB32UI_EXT, 0},
-      { PIPE_FORMAT_R32G32B32_UINT,
+      { PIPE_FORMAT_R32G32B32_UINT, PIPE_FORMAT_R32G32B32X32_UINT,
         PIPE_FORMAT_R32G32B32A32_UINT, 0 }
    },
    {
@@ -1266,7 +1348,7 @@ static const struct format_mapping format_map[] = {
       { PIPE_FORMAT_R32G32B32A32_UINT, 0 }
    },
    {
-     { GL_R8I, 0},
+     { GL_R8I, GL_RED_INTEGER_EXT, 0},
      { PIPE_FORMAT_R8_SINT, 0},
    },
    {
@@ -1290,7 +1372,7 @@ static const struct format_mapping format_map[] = {
      { PIPE_FORMAT_R32_UINT, 0},
    },
    {
-     { GL_RG8I, 0},
+     { GL_RG8I, GL_GREEN_INTEGER_EXT, 0},
      { PIPE_FORMAT_R8G8_SINT, 0},
    },
    {
@@ -1338,11 +1420,20 @@ static const struct format_mapping format_map[] = {
         PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
    },
    {
-      { GL_RGB_SNORM, GL_RGB8_SNORM, GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
+      { GL_RGB_SNORM, GL_RGB8_SNORM, 0 },
+      { PIPE_FORMAT_R8G8B8X8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+   },
+   {
+      { GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
       { PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
    },
    {
-      { GL_RGB16_SNORM, GL_RGBA16_SNORM, 0 },
+      { GL_RGB16_SNORM, 0 },
+      { PIPE_FORMAT_R16G16B16X16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
+        PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+   },
+   {
+      { GL_RGBA16_SNORM, 0 },
       { PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
    },
    {
@@ -1449,14 +1540,12 @@ static const struct exact_format_mapping rgbx8888_tbl[] =
    { GL_BGRA,     GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_X8R8G8B8_UNORM },
    { GL_BGRA,     GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_B8G8R8X8_UNORM },
    { GL_BGRA,     GL_UNSIGNED_BYTE,               PIPE_FORMAT_B8G8R8X8_UNORM },
-   /* No Mesa formats for these Gallium formats:
    { GL_RGBA,     GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_X8B8G8R8_UNORM },
    { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_X8B8G8R8_UNORM },
    { GL_RGBA,     GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_R8G8B8X8_UNORM },
    { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_R8G8B8X8_UNORM },
    { GL_RGBA,     GL_UNSIGNED_BYTE,               PIPE_FORMAT_R8G8B8X8_UNORM },
    { GL_ABGR_EXT, GL_UNSIGNED_BYTE,               PIPE_FORMAT_X8B8G8R8_UNORM },
-   */
    { 0,           0,                              0                          }
 };
 
@@ -1527,17 +1616,17 @@ find_exact_format(GLint internalFormat, GLenum format, GLenum type)
  *                   when we're getting called from gl[Copy]TexImage().
  */
 enum pipe_format
-st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
+st_choose_format(struct st_context *st, GLenum internalFormat,
                  GLenum format, GLenum type,
                  enum pipe_texture_target target, unsigned sample_count,
                  unsigned bindings, boolean allow_dxt)
 {
-   GET_CURRENT_CONTEXT(ctx); /* XXX this should be a function parameter */
+   struct pipe_screen *screen = st->pipe->screen;
    int i, j;
    enum pipe_format pf;
 
    /* can't render to compressed formats at this time */
-   if (_mesa_is_compressed_format(ctx, internalFormat)
+   if (_mesa_is_compressed_format(st->ctx, internalFormat)
        && (bindings & ~PIPE_BIND_SAMPLER_VIEW)) {
       return PIPE_FORMAT_NONE;
    }
@@ -1573,7 +1662,7 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
  * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
  */
 enum pipe_format
-st_choose_renderbuffer_format(struct pipe_screen *screen,
+st_choose_renderbuffer_format(struct st_context *st,
                               GLenum internalFormat, unsigned sample_count)
 {
    uint usage;
@@ -1581,7 +1670,7 @@ st_choose_renderbuffer_format(struct pipe_screen *screen,
       usage = PIPE_BIND_DEPTH_STENCIL;
    else
       usage = PIPE_BIND_RENDER_TARGET;
-   return st_choose_format(screen, internalFormat, GL_NONE, GL_NONE,
+   return st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
                            PIPE_TEXTURE_2D, sample_count, usage, FALSE);
 }
 
@@ -1599,7 +1688,7 @@ st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
       internalFormat == GL_RGB || internalFormat == GL_RGBA ||
       internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
       internalFormat == GL_BGRA;
-   struct pipe_screen *screen = st_context(ctx)->pipe->screen;
+   struct st_context *st = st_context(ctx);
    enum pipe_format pFormat;
    unsigned bindings;
 
@@ -1623,12 +1712,12 @@ st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
 	 bindings |= PIPE_BIND_RENDER_TARGET;
    }
 
-   pFormat = st_choose_format(screen, internalFormat, format, type,
+   pFormat = st_choose_format(st, internalFormat, format, type,
                               PIPE_TEXTURE_2D, 0, bindings, ctx->Mesa_DXTn);
 
    if (pFormat == PIPE_FORMAT_NONE) {
       /* try choosing format again, this time without render target bindings */
-      pFormat = st_choose_format(screen, internalFormat, format, type,
+      pFormat = st_choose_format(st, internalFormat, format, type,
                                  PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW,
                                  ctx->Mesa_DXTn);
    }
@@ -1649,7 +1738,7 @@ size_t
 st_QuerySamplesForFormat(struct gl_context *ctx, GLenum internalFormat,
                          int samples[16])
 {
-   struct pipe_screen *screen = st_context(ctx)->pipe->screen;
+   struct st_context *st = st_context(ctx);
    enum pipe_format format;
    unsigned i, bind, num_sample_counts = 0;
 
@@ -1660,7 +1749,7 @@ st_QuerySamplesForFormat(struct gl_context *ctx, GLenum internalFormat,
 
    /* Set sample counts in descending order. */
    for (i = 16; i > 1; i--) {
-      format = st_choose_format(screen, internalFormat, GL_NONE, GL_NONE,
+      format = st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
                                 PIPE_TEXTURE_2D, i, bind, FALSE);
 
       if (format != PIPE_FORMAT_NONE) {
diff --git a/mesalib/src/mesa/state_tracker/st_format.h b/mesalib/src/mesa/state_tracker/st_format.h
index 50588d8d4..aee624d24 100644
--- a/mesalib/src/mesa/state_tracker/st_format.h
+++ b/mesalib/src/mesa/state_tracker/st_format.h
@@ -48,13 +48,13 @@ st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
 
 
 extern enum pipe_format
-st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
+st_choose_format(struct st_context *st, GLenum internalFormat,
                  GLenum format, GLenum type,
                  enum pipe_texture_target target, unsigned sample_count,
                  unsigned bindings, boolean allow_dxt);
 
 extern enum pipe_format
-st_choose_renderbuffer_format(struct pipe_screen *screen,
+st_choose_renderbuffer_format(struct st_context *st,
                               GLenum internalFormat, unsigned sample_count);
 
 
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index b3da2016d..63b74285a 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -1287,11 +1287,12 @@ glsl_to_tgsi_visitor::try_emit_mad_for_and_not(ir_expression *ir, int try_operan
 bool
 glsl_to_tgsi_visitor::try_emit_sat(ir_expression *ir)
 {
-   /* Saturates were only introduced to vertex programs in
-    * NV_vertex_program3, so don't give them to drivers in the VP.
+   /* Emit saturates in the vertex shader only if SM 3.0 is supported.
     */
-   if (this->prog->Target == GL_VERTEX_PROGRAM_ARB)
+   if (this->prog->Target == GL_VERTEX_PROGRAM_ARB &&
+       !st_context(this->ctx)->has_shader_model3) {
       return false;
+   }
 
    ir_rvalue *sat_src = ir->as_rvalue_to_saturate();
    if (!sat_src)
@@ -2931,32 +2932,12 @@ glsl_to_tgsi_visitor::visit(ir_discard *ir)
 void
 glsl_to_tgsi_visitor::visit(ir_if *ir)
 {
-   glsl_to_tgsi_instruction *cond_inst, *if_inst;
-   glsl_to_tgsi_instruction *prev_inst;
-
-   prev_inst = (glsl_to_tgsi_instruction *)this->instructions.get_tail();
+   glsl_to_tgsi_instruction *if_inst;
 
    ir->condition->accept(this);
    assert(this->result.file != PROGRAM_UNDEFINED);
 
-   if (this->options->EmitCondCodes) {
-      cond_inst = (glsl_to_tgsi_instruction *)this->instructions.get_tail();
-
-      /* See if we actually generated any instruction for generating
-       * the condition.  If not, then cook up a move to a temp so we
-       * have something to set cond_update on.
-       */
-      if (cond_inst == prev_inst) {
-         st_src_reg temp = get_temp(glsl_type::bool_type);
-         cond_inst = emit(ir->condition, TGSI_OPCODE_MOV, st_dst_reg(temp), result);
-      }
-      cond_inst->cond_update = GL_TRUE;
-
-      if_inst = emit(ir->condition, TGSI_OPCODE_IF);
-      if_inst->dst.cond_mask = COND_NE;
-   } else {
-      if_inst = emit(ir->condition, TGSI_OPCODE_IF, undef_dst, this->result);
-   }
+   if_inst = emit(ir->condition, TGSI_OPCODE_IF, undef_dst, this->result);
 
    this->instructions.push_tail(if_inst);
 
@@ -5175,21 +5156,52 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
       const struct gl_shader_compiler_options *options =
             &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(prog->_LinkedShaders[i]->Type)];
 
-      do {
-         unsigned what_to_lower = MOD_TO_FRACT | DIV_TO_MUL_RCP |
-            EXP_TO_EXP2 | LOG_TO_LOG2;
-         if (options->EmitNoPow)
-            what_to_lower |= POW_TO_EXP2;
-         if (!ctx->Const.NativeIntegers)
-            what_to_lower |= INT_DIV_TO_MUL_RCP;
+      /* If there are forms of indirect addressing that the driver
+       * cannot handle, perform the lowering pass.
+       */
+      if (options->EmitNoIndirectInput || options->EmitNoIndirectOutput ||
+          options->EmitNoIndirectTemp || options->EmitNoIndirectUniform) {
+         lower_variable_index_to_cond_assign(ir,
+                                             options->EmitNoIndirectInput,
+                                             options->EmitNoIndirectOutput,
+                                             options->EmitNoIndirectTemp,
+                                             options->EmitNoIndirectUniform);
+      }
 
-         progress = false;
+      if (ctx->Extensions.ARB_shading_language_packing) {
+         unsigned lower_inst = LOWER_PACK_SNORM_2x16 |
+                               LOWER_UNPACK_SNORM_2x16 |
+                               LOWER_PACK_UNORM_2x16 |
+                               LOWER_UNPACK_UNORM_2x16 |
+                               LOWER_PACK_SNORM_4x8 |
+                               LOWER_UNPACK_SNORM_4x8 |
+                               LOWER_UNPACK_UNORM_4x8 |
+                               LOWER_PACK_UNORM_4x8 |
+                               LOWER_PACK_HALF_2x16 |
+                               LOWER_UNPACK_HALF_2x16;
+
+         lower_packing_builtins(ir, lower_inst);
+      }
 
-         /* Lowering */
-         do_mat_op_to_vec(ir);
-         lower_instructions(ir, what_to_lower);
+      do_mat_op_to_vec(ir);
+      lower_instructions(ir,
+                         MOD_TO_FRACT |
+                         DIV_TO_MUL_RCP |
+                         EXP_TO_EXP2 |
+                         LOG_TO_LOG2 |
+                         (options->EmitNoPow ? POW_TO_EXP2 : 0) |
+                         (!ctx->Const.NativeIntegers ? INT_DIV_TO_MUL_RCP : 0));
+
+      lower_ubo_reference(prog->_LinkedShaders[i], ir);
+      do_vec_index_to_cond_assign(ir);
+      lower_quadop_vector(ir, false);
+      lower_noise(ir);
+      if (options->MaxIfDepth == 0) {
+         lower_discard(ir);
+      }
 
-         lower_ubo_reference(prog->_LinkedShaders[i], ir);
+      do {
+         progress = false;
 
          progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress;
 
@@ -5197,31 +5209,8 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 					   options->MaxUnrollIterations)
 	   || progress;
 
-         progress = lower_quadop_vector(ir, false) || progress;
-
-         if (options->MaxIfDepth == 0)
-            progress = lower_discard(ir) || progress;
-
          progress = lower_if_to_cond_assign(ir, options->MaxIfDepth) || progress;
 
-         if (options->EmitNoNoise)
-            progress = lower_noise(ir) || progress;
-
-         /* If there are forms of indirect addressing that the driver
-          * cannot handle, perform the lowering pass.
-          */
-         if (options->EmitNoIndirectInput || options->EmitNoIndirectOutput
-             || options->EmitNoIndirectTemp || options->EmitNoIndirectUniform)
-           progress =
-             lower_variable_index_to_cond_assign(ir,
-        					 options->EmitNoIndirectInput,
-        					 options->EmitNoIndirectOutput,
-        					 options->EmitNoIndirectTemp,
-        					 options->EmitNoIndirectUniform)
-             || progress;
-
-         progress = do_vec_index_to_cond_assign(ir) || progress;
-
       } while (progress);
 
       validate_ir_tree(ir);
diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c
index 584eaa981..ed3709848 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_texture.c
@@ -391,13 +391,12 @@ struct pipe_resource *
 st_create_color_map_texture(struct gl_context *ctx)
 {
    struct st_context *st = st_context(ctx);
-   struct pipe_context *pipe = st->pipe;
    struct pipe_resource *pt;
    enum pipe_format format;
    const uint texSize = 256; /* simple, and usually perfect */
 
    /* find an RGBA texture format */
-   format = st_choose_format(pipe->screen, GL_RGBA, GL_NONE, GL_NONE,
+   format = st_choose_format(st, GL_RGBA, GL_NONE, GL_NONE,
                              PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW,
                              FALSE);