intel: Reset the buffer offset after releasing reference to packed upload
[mesa.git] / src / mesa / state_tracker / st_format.c
index 1e918facda43df9a60001b97f127177262311770..577ee6189bdc819e1bf5083f61bdea71a834f1ff 100644 (file)
@@ -35,9 +35,9 @@
 #include "main/imports.h"
 #include "main/context.h"
 #include "main/texstore.h"
-#include "main/enums.h"
 #include "main/image.h"
 #include "main/macros.h"
+#include "main/mfeatures.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
@@ -78,7 +78,9 @@ st_format_datatype(enum pipe_format format)
          return GL_UNSIGNED_SHORT;
       }
       else if (format == PIPE_FORMAT_Z24_UNORM_S8_USCALED ||
-               format == PIPE_FORMAT_S8_USCALED_Z24_UNORM) {
+               format == PIPE_FORMAT_S8_USCALED_Z24_UNORM ||
+               format == PIPE_FORMAT_Z24X8_UNORM ||
+               format == PIPE_FORMAT_X8Z24_UNORM) {
          return GL_UNSIGNED_INT_24_8;
       }
       else {
@@ -111,12 +113,9 @@ st_format_datatype(enum pipe_format format)
       return GL_UNSIGNED_SHORT;
    }
    else {
-      /* compressed format? */
-      assert(0);
+      /* probably a compressed format, unsupported anyway */
+      return GL_NONE;
    }
-
-   assert(0);
-   return GL_NONE;
 }
 
 
@@ -145,14 +144,28 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
       return PIPE_FORMAT_B4G4R4A4_UNORM;
    case MESA_FORMAT_RGB565:
       return PIPE_FORMAT_B5G6R5_UNORM;
+   case MESA_FORMAT_RGB332:
+      return PIPE_FORMAT_B2G3R3_UNORM;
+   case MESA_FORMAT_ARGB2101010:
+      return PIPE_FORMAT_B10G10R10A2_UNORM;
+   case MESA_FORMAT_AL44:
+      return PIPE_FORMAT_L4A4_UNORM;
    case MESA_FORMAT_AL88:
       return PIPE_FORMAT_L8A8_UNORM;
+   case MESA_FORMAT_AL1616:
+      return PIPE_FORMAT_L16A16_UNORM;
    case MESA_FORMAT_A8:
       return PIPE_FORMAT_A8_UNORM;
+   case MESA_FORMAT_A16:
+      return PIPE_FORMAT_A16_UNORM;
    case MESA_FORMAT_L8:
       return PIPE_FORMAT_L8_UNORM;
+   case MESA_FORMAT_L16:
+      return PIPE_FORMAT_L16_UNORM;
    case MESA_FORMAT_I8:
       return PIPE_FORMAT_I8_UNORM;
+   case MESA_FORMAT_I16:
+      return PIPE_FORMAT_I16_UNORM;
    case MESA_FORMAT_Z16:
       return PIPE_FORMAT_Z16_UNORM;
    case MESA_FORMAT_Z32:
@@ -165,6 +178,8 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
       return PIPE_FORMAT_X8Z24_UNORM;
    case MESA_FORMAT_X8_Z24:
       return PIPE_FORMAT_Z24X8_UNORM;
+   case MESA_FORMAT_S8:
+      return PIPE_FORMAT_S8_USCALED;
    case MESA_FORMAT_YCBCR:
       return PIPE_FORMAT_UYVY;
 #if FEATURE_texture_s3tc
@@ -199,6 +214,33 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
    case MESA_FORMAT_SARGB8:
       return PIPE_FORMAT_B8G8R8A8_SRGB;
 #endif
+   case MESA_FORMAT_R8:
+      return PIPE_FORMAT_R8_UNORM;
+   case MESA_FORMAT_R16:
+      return PIPE_FORMAT_R16_UNORM;
+   case MESA_FORMAT_RG88:
+      return PIPE_FORMAT_R8G8_UNORM;
+   case MESA_FORMAT_RG1616:
+      return PIPE_FORMAT_R16G16_UNORM;
+   case MESA_FORMAT_RGBA_16:
+      return PIPE_FORMAT_R16G16B16A16_UNORM;
+
+   /* signed int formats */
+   case MESA_FORMAT_RGBA_INT8:
+      return PIPE_FORMAT_R8G8B8A8_SSCALED;
+   case MESA_FORMAT_RGBA_INT16:
+      return PIPE_FORMAT_R16G16B16A16_SSCALED;
+   case MESA_FORMAT_RGBA_INT32:
+      return PIPE_FORMAT_R32G32B32A32_SSCALED;
+
+   /* unsigned int formats */
+   case MESA_FORMAT_RGBA_UINT8:
+      return PIPE_FORMAT_R8G8B8A8_USCALED;
+   case MESA_FORMAT_RGBA_UINT16:
+      return PIPE_FORMAT_R16G16B16A16_USCALED;
+   case MESA_FORMAT_RGBA_UINT32:
+      return PIPE_FORMAT_R32G32B32A32_USCALED;
+
    default:
       assert(0);
       return PIPE_FORMAT_NONE;
@@ -231,17 +273,33 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
       return MESA_FORMAT_ARGB4444;
    case PIPE_FORMAT_B5G6R5_UNORM:
       return MESA_FORMAT_RGB565;
+   case PIPE_FORMAT_B2G3R3_UNORM:
+      return MESA_FORMAT_RGB332;
+   case PIPE_FORMAT_B10G10R10A2_UNORM:
+      return MESA_FORMAT_ARGB2101010;
+   case PIPE_FORMAT_L4A4_UNORM:
+      return MESA_FORMAT_AL44;
    case PIPE_FORMAT_L8A8_UNORM:
       return MESA_FORMAT_AL88;
+   case PIPE_FORMAT_L16A16_UNORM:
+      return MESA_FORMAT_AL1616;
    case PIPE_FORMAT_A8_UNORM:
       return MESA_FORMAT_A8;
+   case PIPE_FORMAT_A16_UNORM:
+      return MESA_FORMAT_A16;
    case PIPE_FORMAT_L8_UNORM:
       return MESA_FORMAT_L8;
+   case PIPE_FORMAT_L16_UNORM:
+      return MESA_FORMAT_L16;
    case PIPE_FORMAT_I8_UNORM:
       return MESA_FORMAT_I8;
+   case PIPE_FORMAT_I16_UNORM:
+      return MESA_FORMAT_I16;
    case PIPE_FORMAT_S8_USCALED:
       return MESA_FORMAT_S8;
 
+   case PIPE_FORMAT_R16G16B16A16_UNORM:
+      return MESA_FORMAT_RGBA_16;
    case PIPE_FORMAT_R16G16B16A16_SNORM:
       return MESA_FORMAT_SIGNED_RGBA_16;
 
@@ -296,6 +354,32 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
    case PIPE_FORMAT_B8G8R8A8_SRGB:
       return MESA_FORMAT_SARGB8;
 #endif
+
+   case PIPE_FORMAT_R8_UNORM:
+      return MESA_FORMAT_R8;
+   case PIPE_FORMAT_R16_UNORM:
+      return MESA_FORMAT_R16;
+   case PIPE_FORMAT_R8G8_UNORM:
+      return MESA_FORMAT_RG88;
+   case PIPE_FORMAT_R16G16_UNORM:
+      return MESA_FORMAT_RG1616;
+
+   /* signed int formats */
+   case PIPE_FORMAT_R8G8B8A8_SSCALED:
+      return MESA_FORMAT_RGBA_INT8;
+   case PIPE_FORMAT_R16G16B16A16_SSCALED:
+      return MESA_FORMAT_RGBA_INT16;
+   case PIPE_FORMAT_R32G32B32A32_SSCALED:
+      return MESA_FORMAT_RGBA_INT32;
+
+   /* unsigned int formats */
+   case PIPE_FORMAT_R8G8B8A8_USCALED:
+      return MESA_FORMAT_RGBA_UINT8;
+   case PIPE_FORMAT_R16G16B16A16_USCALED:
+      return MESA_FORMAT_RGBA_UINT16;
+   case PIPE_FORMAT_R32G32B32A32_USCALED:
+      return MESA_FORMAT_RGBA_UINT32;
+
    default:
       assert(0);
       return MESA_FORMAT_NONE;
@@ -311,13 +395,14 @@ find_supported_format(struct pipe_screen *screen,
                       const enum pipe_format formats[],
                       uint num_formats,
                       enum pipe_texture_target target,
-                      unsigned tex_usage, 
+                      unsigned sample_count,
+                      unsigned tex_usage,
                       unsigned geom_flags)
 {
    uint i;
    for (i = 0; i < num_formats; i++) {
       if (screen->is_format_supported(screen, formats[i], target,
-                                      tex_usage, geom_flags)) {
+                                      sample_count, tex_usage, geom_flags)) {
          return formats[i];
       }
    }
@@ -331,7 +416,8 @@ find_supported_format(struct pipe_screen *screen,
 static enum pipe_format
 default_rgba_format(struct pipe_screen *screen, 
                     enum pipe_texture_target target,
-                    unsigned tex_usage, 
+                    unsigned sample_count,
+                    unsigned tex_usage,
                     unsigned geom_flags)
 {
    static const enum pipe_format colorFormats[] = {
@@ -341,7 +427,7 @@ default_rgba_format(struct pipe_screen *screen,
       PIPE_FORMAT_B5G6R5_UNORM
    };
    return find_supported_format(screen, colorFormats, Elements(colorFormats),
-                                target, tex_usage, geom_flags);
+                                target, sample_count, tex_usage, geom_flags);
 }
 
 
@@ -351,7 +437,8 @@ default_rgba_format(struct pipe_screen *screen,
 static enum pipe_format
 default_rgb_format(struct pipe_screen *screen, 
                    enum pipe_texture_target target,
-                   unsigned tex_usage, 
+                   unsigned sample_count,
+                   unsigned tex_usage,
                    unsigned geom_flags)
 {
    static const enum pipe_format colorFormats[] = {
@@ -364,7 +451,7 @@ default_rgb_format(struct pipe_screen *screen,
       PIPE_FORMAT_B5G6R5_UNORM
    };
    return find_supported_format(screen, colorFormats, Elements(colorFormats),
-                                target, tex_usage, geom_flags);
+                                target, sample_count, tex_usage, geom_flags);
 }
 
 /**
@@ -373,7 +460,8 @@ default_rgb_format(struct pipe_screen *screen,
 static enum pipe_format
 default_srgba_format(struct pipe_screen *screen, 
                     enum pipe_texture_target target,
-                    unsigned tex_usage, 
+                    unsigned sample_count,
+                    unsigned tex_usage,
                     unsigned geom_flags)
 {
    static const enum pipe_format colorFormats[] = {
@@ -382,7 +470,7 @@ default_srgba_format(struct pipe_screen *screen,
       PIPE_FORMAT_A8B8G8R8_SRGB,
    };
    return find_supported_format(screen, colorFormats, Elements(colorFormats),
-                                target, tex_usage, geom_flags);
+                                target, sample_count, tex_usage, geom_flags);
 }
 
 
@@ -401,144 +489,214 @@ default_srgba_format(struct pipe_screen *screen,
  */
 enum pipe_format
 st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
-                 enum pipe_texture_target target, unsigned bindings)
+                 enum pipe_texture_target target, unsigned sample_count,
+                 unsigned bindings)
 {
    unsigned geom_flags = 0; /* we don't care about POT vs. NPOT here, yet */
 
    switch (internalFormat) {
+   case GL_RGB10:
+   case GL_RGB10_A2:
+      if (screen->is_format_supported( screen, PIPE_FORMAT_B10G10R10A2_UNORM,
+                                       target, sample_count, bindings,
+                                       geom_flags ))
+         return PIPE_FORMAT_B10G10R10A2_UNORM;
+      /* Pass through. */
    case 4:
    case GL_RGBA:
    case GL_RGBA8:
-   case GL_RGB10_A2:
-   case GL_RGBA12:
-      return default_rgba_format( screen, target, bindings, geom_flags );
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
+
+   case GL_BGRA:
+      if (screen->is_format_supported( screen, PIPE_FORMAT_B8G8R8A8_UNORM,
+                                       target, sample_count, bindings,
+                                       geom_flags ))
+         return PIPE_FORMAT_B8G8R8A8_UNORM;
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
+
    case 3:
    case GL_RGB:
-      return default_rgb_format( screen, target, bindings, geom_flags );
+   case GL_RGB8:
+      return default_rgb_format( screen, target, sample_count, bindings,
+                                 geom_flags );
+
+   case GL_RGB12:
+   case GL_RGB16:
+   case GL_RGBA12:
    case GL_RGBA16:
-      return default_rgba_format( screen, target, bindings, geom_flags );
+      if (screen->is_format_supported( screen, PIPE_FORMAT_R16G16B16A16_UNORM,
+                                             target, sample_count, bindings,
+                                             geom_flags ))
+         return PIPE_FORMAT_R16G16B16A16_UNORM;
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
 
    case GL_RGBA4:
    case GL_RGBA2:
       if (screen->is_format_supported( screen, PIPE_FORMAT_B4G4R4A4_UNORM,
-                                       target, bindings, geom_flags ))
+                                       target, sample_count, bindings,
+                                       geom_flags ))
          return PIPE_FORMAT_B4G4R4A4_UNORM;
-      return default_rgba_format( screen, target, bindings, geom_flags );
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
 
    case GL_RGB5_A1:
       if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM,
-                                       target, bindings, geom_flags ))
+                                       target, sample_count, bindings,
+                                       geom_flags ))
          return PIPE_FORMAT_B5G5R5A1_UNORM;
-      return default_rgba_format( screen, target, bindings, geom_flags );
-
-   case GL_RGB8:
-   case GL_RGB10:
-   case GL_RGB12:
-   case GL_RGB16:
-      return default_rgb_format( screen, target, bindings, geom_flags );
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
 
+   case GL_R3_G3_B2:
+      if (screen->is_format_supported( screen, PIPE_FORMAT_B2G3R3_UNORM,
+                                       target, sample_count, bindings,
+                                       geom_flags ))
+         return PIPE_FORMAT_B2G3R3_UNORM;
+      /* Pass through. */
    case GL_RGB5:
    case GL_RGB4:
-   case GL_R3_G3_B2:
       if (screen->is_format_supported( screen, PIPE_FORMAT_B5G6R5_UNORM,
-                                       target, bindings, geom_flags ))
+                                       target, sample_count, bindings,
+                                       geom_flags ))
          return PIPE_FORMAT_B5G6R5_UNORM;
       if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM,
-                                       target, bindings, geom_flags ))
+                                       target, sample_count, bindings,
+                                       geom_flags ))
          return PIPE_FORMAT_B5G5R5A1_UNORM;
-      return default_rgba_format( screen, target, bindings, geom_flags );
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
 
+   case GL_ALPHA12:
+   case GL_ALPHA16:
+      if (screen->is_format_supported( screen, PIPE_FORMAT_A16_UNORM, target,
+                                       sample_count, bindings, geom_flags ))
+         return PIPE_FORMAT_A16_UNORM;
+      /* Pass through. */
    case GL_ALPHA:
    case GL_ALPHA4:
    case GL_ALPHA8:
-   case GL_ALPHA12:
-   case GL_ALPHA16:
    case GL_COMPRESSED_ALPHA:
       if (screen->is_format_supported( screen, PIPE_FORMAT_A8_UNORM, target,
-                                       bindings, geom_flags ))
+                                       sample_count, bindings, geom_flags ))
          return PIPE_FORMAT_A8_UNORM;
-      return default_rgba_format( screen, target, bindings, geom_flags );
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
 
+   case GL_LUMINANCE12:
+   case GL_LUMINANCE16:
+      if (screen->is_format_supported( screen, PIPE_FORMAT_L16_UNORM, target,
+                                       sample_count, bindings, geom_flags ))
+         return PIPE_FORMAT_L16_UNORM;
+      /* Pass through. */
    case 1:
    case GL_LUMINANCE:
    case GL_LUMINANCE4:
    case GL_LUMINANCE8:
-   case GL_LUMINANCE12:
-   case GL_LUMINANCE16:
    case GL_COMPRESSED_LUMINANCE:
       if (screen->is_format_supported( screen, PIPE_FORMAT_L8_UNORM, target,
-                                       bindings, geom_flags ))
+                                       sample_count, bindings, geom_flags ))
          return PIPE_FORMAT_L8_UNORM;
-      return default_rgba_format( screen, target, bindings, geom_flags );
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
 
+   case GL_LUMINANCE12_ALPHA4:
+   case GL_LUMINANCE12_ALPHA12:
+   case GL_LUMINANCE16_ALPHA16:
+      if (screen->is_format_supported( screen, PIPE_FORMAT_L16A16_UNORM, target,
+                                       sample_count, bindings, geom_flags ))
+         return PIPE_FORMAT_L16A16_UNORM;
+      /* Pass through. */
    case 2:
    case GL_LUMINANCE_ALPHA:
-   case GL_LUMINANCE4_ALPHA4:
    case GL_LUMINANCE6_ALPHA2:
    case GL_LUMINANCE8_ALPHA8:
-   case GL_LUMINANCE12_ALPHA4:
-   case GL_LUMINANCE12_ALPHA12:
-   case GL_LUMINANCE16_ALPHA16:
    case GL_COMPRESSED_LUMINANCE_ALPHA:
       if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target,
-                                       bindings, geom_flags ))
+                                       sample_count, bindings, geom_flags ))
          return PIPE_FORMAT_L8A8_UNORM;
-      return default_rgba_format( screen, target, bindings, geom_flags );
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
 
+   case GL_LUMINANCE4_ALPHA4:
+      if (screen->is_format_supported( screen, PIPE_FORMAT_L4A4_UNORM, target,
+                                       sample_count, bindings, geom_flags ))
+         return PIPE_FORMAT_L4A4_UNORM;
+      if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target,
+                                       sample_count, bindings, geom_flags ))
+         return PIPE_FORMAT_L8A8_UNORM;
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
+
+   case GL_INTENSITY12:
+   case GL_INTENSITY16:
+      if (screen->is_format_supported( screen, PIPE_FORMAT_I16_UNORM, target,
+                                       sample_count, bindings, geom_flags ))
+         return PIPE_FORMAT_I16_UNORM;
+      /* Pass through. */
    case GL_INTENSITY:
    case GL_INTENSITY4:
    case GL_INTENSITY8:
-   case GL_INTENSITY12:
-   case GL_INTENSITY16:
    case GL_COMPRESSED_INTENSITY:
       if (screen->is_format_supported( screen, PIPE_FORMAT_I8_UNORM, target,
-                                       bindings, geom_flags ))
+                                       sample_count, bindings, geom_flags ))
          return PIPE_FORMAT_I8_UNORM;
-      return default_rgba_format( screen, target, bindings, geom_flags );
+      return default_rgba_format( screen, target, sample_count, bindings,
+                                  geom_flags );
 
    case GL_YCBCR_MESA:
-      if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY,
-                                      target, bindings, geom_flags)) {
+      if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, target,
+                                      sample_count, bindings, geom_flags)) {
          return PIPE_FORMAT_UYVY;
       }
-      if (screen->is_format_supported(screen, PIPE_FORMAT_YUYV,
-                                      target, bindings, geom_flags)) {
+      if (screen->is_format_supported(screen, PIPE_FORMAT_YUYV, target,
+                                      sample_count, bindings, geom_flags)) {
          return PIPE_FORMAT_YUYV;
       }
       return PIPE_FORMAT_NONE;
 
+   case GL_COMPRESSED_RED:
+   case GL_COMPRESSED_RG:
    case GL_COMPRESSED_RGB:
       /* can only sample from compressed formats */
       if (bindings & ~PIPE_BIND_SAMPLER_VIEW)
          return PIPE_FORMAT_NONE;
       else if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGB,
-                                           target, bindings, geom_flags))
+                                           target, sample_count, bindings,
+                                           geom_flags))
          return PIPE_FORMAT_DXT1_RGB;
       else
-         return default_rgb_format(screen, target, bindings, geom_flags);
+         return default_rgb_format(screen, target, sample_count, bindings,
+                                   geom_flags);
 
    case GL_COMPRESSED_RGBA:
       /* can only sample from compressed formats */
       if (bindings & ~PIPE_BIND_SAMPLER_VIEW)
          return PIPE_FORMAT_NONE;
       else if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_RGBA,
-                                           target, bindings, geom_flags))
+                                           target, sample_count, bindings,
+                                           geom_flags))
          return PIPE_FORMAT_DXT3_RGBA;
       else
-         return default_rgba_format(screen, target, bindings, geom_flags);
+         return default_rgba_format(screen, target, sample_count, bindings,
+                                    geom_flags);
 
    case GL_RGB_S3TC:
    case GL_RGB4_S3TC:
    case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
       if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGB,
-                                      target, bindings, geom_flags))
+                                      target, sample_count, bindings,
+                                      geom_flags))
          return PIPE_FORMAT_DXT1_RGB;
       else
          return PIPE_FORMAT_NONE;
 
    case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
       if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGBA,
-                                      target, bindings, geom_flags))
+                                      target, sample_count, bindings,
+                                      geom_flags))
          return PIPE_FORMAT_DXT1_RGBA;
       else
          return PIPE_FORMAT_NONE;
@@ -547,14 +705,16 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
    case GL_RGBA4_S3TC:
    case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
       if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_RGBA,
-                                      target, bindings, geom_flags))
+                                      target, sample_count, bindings,
+                                      geom_flags))
          return PIPE_FORMAT_DXT3_RGBA;
       else
          return PIPE_FORMAT_NONE;
 
    case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
       if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA,
-                                      target, bindings, geom_flags))
+                                      target, sample_count, bindings,
+                                      geom_flags))
          return PIPE_FORMAT_DXT5_RGBA;
       else
          return PIPE_FORMAT_NONE;
@@ -568,32 +728,32 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
 
    case GL_DEPTH_COMPONENT16:
       if (screen->is_format_supported(screen, PIPE_FORMAT_Z16_UNORM, target,
-                                      bindings, geom_flags))
+                                      sample_count, bindings, geom_flags))
          return PIPE_FORMAT_Z16_UNORM;
       /* fall-through */
    case GL_DEPTH_COMPONENT24:
       if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
-                                      target, bindings, geom_flags))
+                                      target, sample_count, bindings, geom_flags))
          return PIPE_FORMAT_Z24_UNORM_S8_USCALED;
       if (screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
-                                      target, bindings, geom_flags))
+                                      target, sample_count, bindings, geom_flags))
          return PIPE_FORMAT_S8_USCALED_Z24_UNORM;
       /* fall-through */
    case GL_DEPTH_COMPONENT32:
-      if (screen->is_format_supported(screen, PIPE_FORMAT_Z32_UNORM,
-                                      target, bindings, geom_flags))
+      if (screen->is_format_supported(screen, PIPE_FORMAT_Z32_UNORM, target,
+                                      sample_count, bindings, geom_flags))
          return PIPE_FORMAT_Z32_UNORM;
       /* fall-through */
    case GL_DEPTH_COMPONENT:
       {
          static const enum pipe_format formats[] = {
-            PIPE_FORMAT_Z16_UNORM,
             PIPE_FORMAT_Z32_UNORM,
             PIPE_FORMAT_Z24_UNORM_S8_USCALED,
-            PIPE_FORMAT_S8_USCALED_Z24_UNORM
+            PIPE_FORMAT_S8_USCALED_Z24_UNORM,
+            PIPE_FORMAT_Z16_UNORM
          };
          return find_supported_format(screen, formats, Elements(formats),
-                                      target, bindings, geom_flags);
+                                      target, sample_count, bindings, geom_flags);
       }
 
    case GL_STENCIL_INDEX:
@@ -608,7 +768,7 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
             PIPE_FORMAT_S8_USCALED_Z24_UNORM
          };
          return find_supported_format(screen, formats, Elements(formats),
-                                      target, bindings, geom_flags);
+                                      target, sample_count, bindings, geom_flags);
       }
 
    case GL_DEPTH_STENCIL_EXT:
@@ -619,22 +779,35 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
             PIPE_FORMAT_S8_USCALED_Z24_UNORM
          };
          return find_supported_format(screen, formats, Elements(formats),
-                                      target, bindings, geom_flags);
+                                      target, sample_count, bindings, geom_flags);
       }
 
    case GL_SRGB_EXT:
    case GL_SRGB8_EXT:
-   case GL_COMPRESSED_SRGB_EXT:
-   case GL_COMPRESSED_SRGB_ALPHA_EXT:
    case GL_SRGB_ALPHA_EXT:
    case GL_SRGB8_ALPHA8_EXT:
-      return default_srgba_format( screen, target, bindings, geom_flags );
+      return default_srgba_format( screen, target, sample_count, bindings,
+                                   geom_flags );
+
+   case GL_COMPRESSED_SRGB_EXT:
    case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
-      return PIPE_FORMAT_DXT1_SRGB;
+      if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_SRGB, target,
+                                      sample_count, bindings, geom_flags))
+         return PIPE_FORMAT_DXT1_SRGB;
+      return default_srgba_format( screen, target, sample_count, bindings,
+                                   geom_flags );
+
    case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
       return PIPE_FORMAT_DXT1_SRGBA;
+
+   case GL_COMPRESSED_SRGB_ALPHA_EXT:
    case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
-      return PIPE_FORMAT_DXT3_SRGBA;
+      if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_SRGBA, target,
+                                      sample_count, bindings, geom_flags))
+         return PIPE_FORMAT_DXT3_SRGBA;
+      return default_srgba_format( screen, target, sample_count, bindings,
+                                   geom_flags );
+
    case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
       return PIPE_FORMAT_DXT5_SRGBA;
 
@@ -642,58 +815,175 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
    case GL_SLUMINANCE8_ALPHA8_EXT:
    case GL_COMPRESSED_SLUMINANCE_EXT:
    case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
-      if (screen->is_format_supported(screen, PIPE_FORMAT_L8A8_SRGB,
-                                      target, bindings, geom_flags))
+      if (screen->is_format_supported(screen, PIPE_FORMAT_L8A8_SRGB, target,
+                                      sample_count, bindings, geom_flags))
          return PIPE_FORMAT_L8A8_SRGB;
-      return default_srgba_format( screen, target, bindings, geom_flags );
+      return default_srgba_format( screen, target, sample_count, bindings,
+                                   geom_flags );
 
    case GL_SLUMINANCE_EXT:
    case GL_SLUMINANCE8_EXT:
-      if (screen->is_format_supported(screen, PIPE_FORMAT_L8_SRGB,
-                                      target, bindings, geom_flags))
+      if (screen->is_format_supported(screen, PIPE_FORMAT_L8_SRGB, target,
+                                      sample_count, bindings, geom_flags))
          return PIPE_FORMAT_L8_SRGB;
-      return default_srgba_format( screen, target, bindings, geom_flags );
+      return default_srgba_format( screen, target, sample_count, bindings,
+                                   geom_flags );
+
+   case GL_RED:
+   case GL_R8:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, target,
+                                     sample_count, bindings, geom_flags))
+             return PIPE_FORMAT_R8_UNORM;
+      return PIPE_FORMAT_NONE;
+   case GL_RG:
+   case GL_RG8:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM, target,
+                                     sample_count, bindings, geom_flags))
+             return PIPE_FORMAT_R8G8_UNORM;
+      return PIPE_FORMAT_NONE;
 
-   default:
+   case GL_R16:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM, target,
+                                     sample_count, bindings, geom_flags))
+             return PIPE_FORMAT_R16_UNORM;
       return PIPE_FORMAT_NONE;
-   }
-}
 
+   case GL_RG16:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM, target,
+                                     sample_count, bindings, geom_flags))
+             return PIPE_FORMAT_R16G16_UNORM;
+      return PIPE_FORMAT_NONE;
+
+   case GL_COMPRESSED_RED_RGTC1:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_UNORM, target,
+                                     sample_count, bindings, geom_flags))
+             return PIPE_FORMAT_RGTC1_UNORM;
+      return PIPE_FORMAT_NONE;
+
+   case GL_COMPRESSED_SIGNED_RED_RGTC1:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_SNORM, target,
+                                     sample_count, bindings, geom_flags))
+             return PIPE_FORMAT_RGTC1_SNORM;
+      return PIPE_FORMAT_NONE;
+
+   case GL_COMPRESSED_RG_RGTC2:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_UNORM, target,
+                                     sample_count, bindings, geom_flags))
+             return PIPE_FORMAT_RGTC2_UNORM;
+      return PIPE_FORMAT_NONE;
+
+   case GL_COMPRESSED_SIGNED_RG_RGTC2:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_SNORM, target,
+                                     sample_count, bindings, geom_flags))
+             return PIPE_FORMAT_RGTC2_SNORM;
+      return PIPE_FORMAT_NONE;
+
+   /* signed/unsigned integer formats.
+    * XXX Mesa only has formats for RGBA signed/unsigned integer formats.
+    * If/when new formats are added this code should be updated.
+    */
+   case GL_RED_INTEGER_EXT:
+   case GL_GREEN_INTEGER_EXT:
+   case GL_BLUE_INTEGER_EXT:
+   case GL_ALPHA_INTEGER_EXT:
+   case GL_RGB_INTEGER_EXT:
+   case GL_RGBA_INTEGER_EXT:
+   case GL_BGR_INTEGER_EXT:
+   case GL_BGRA_INTEGER_EXT:
+   case GL_LUMINANCE_INTEGER_EXT:
+   case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+      /* fall-through */
+   case GL_RGBA8I_EXT:
+   case GL_RGB8I_EXT:
+   case GL_ALPHA8I_EXT:
+   case GL_INTENSITY8I_EXT:
+   case GL_LUMINANCE8I_EXT:
+   case GL_LUMINANCE_ALPHA8I_EXT:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SSCALED,
+                                      target,
+                                     sample_count, bindings, geom_flags))
+         return PIPE_FORMAT_R8G8B8A8_SSCALED;
+      return PIPE_FORMAT_NONE;
+   case GL_RGBA16I_EXT:
+   case GL_RGB16I_EXT:
+   case GL_ALPHA16I_EXT:
+   case GL_INTENSITY16I_EXT:
+   case GL_LUMINANCE16I_EXT:
+   case GL_LUMINANCE_ALPHA16I_EXT:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_SSCALED,
+                                      target,
+                                     sample_count, bindings, geom_flags))
+         return PIPE_FORMAT_R16G16B16A16_SSCALED;
+      return PIPE_FORMAT_NONE;
+   case GL_RGBA32I_EXT:
+   case GL_RGB32I_EXT:
+   case GL_ALPHA32I_EXT:
+   case GL_INTENSITY32I_EXT:
+   case GL_LUMINANCE32I_EXT:
+   case GL_LUMINANCE_ALPHA32I_EXT:
+      /* xxx */
+      if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_SSCALED,
+                                      target,
+                                     sample_count, bindings, geom_flags))
+         return PIPE_FORMAT_R32G32B32A32_SSCALED;
+      return PIPE_FORMAT_NONE;
+
+   case GL_RGBA8UI_EXT:
+   case GL_RGB8UI_EXT:
+   case GL_ALPHA8UI_EXT:
+   case GL_INTENSITY8UI_EXT:
+   case GL_LUMINANCE8UI_EXT:
+   case GL_LUMINANCE_ALPHA8UI_EXT:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_USCALED,
+                                      target,
+                                     sample_count, bindings, geom_flags))
+         return PIPE_FORMAT_R8G8B8A8_USCALED;
+      return PIPE_FORMAT_NONE;
+
+   case GL_RGBA16UI_EXT:
+   case GL_RGB16UI_EXT:
+   case GL_ALPHA16UI_EXT:
+   case GL_INTENSITY16UI_EXT:
+   case GL_LUMINANCE16UI_EXT:
+   case GL_LUMINANCE_ALPHA16UI_EXT:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_USCALED,
+                                      target,
+                                     sample_count, bindings, geom_flags))
+         return PIPE_FORMAT_R16G16B16A16_USCALED;
+      return PIPE_FORMAT_NONE;
+
+   case GL_RGBA32UI_EXT:
+   case GL_RGB32UI_EXT:
+   case GL_ALPHA32UI_EXT:
+   case GL_INTENSITY32UI_EXT:
+   case GL_LUMINANCE32UI_EXT:
+   case GL_LUMINANCE_ALPHA32UI_EXT:
+      if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_USCALED,
+                                      target,
+                                     sample_count, bindings, geom_flags))
+         return PIPE_FORMAT_R32G32B32A32_USCALED;
+      return PIPE_FORMAT_NONE;
 
-static GLboolean
-is_depth_or_stencil_format(GLenum internalFormat)
-{
-   switch (internalFormat) {
-   case GL_DEPTH_COMPONENT:
-   case GL_DEPTH_COMPONENT16:
-   case GL_DEPTH_COMPONENT24:
-   case GL_DEPTH_COMPONENT32:
-   case GL_STENCIL_INDEX:
-   case GL_STENCIL_INDEX1_EXT:
-   case GL_STENCIL_INDEX4_EXT:
-   case GL_STENCIL_INDEX8_EXT:
-   case GL_STENCIL_INDEX16_EXT:
-   case GL_DEPTH_STENCIL_EXT:
-   case GL_DEPTH24_STENCIL8_EXT:
-      return GL_TRUE;
    default:
-      return GL_FALSE;
+      return PIPE_FORMAT_NONE;
    }
 }
 
+
 /**
  * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
  */
 enum pipe_format
 st_choose_renderbuffer_format(struct pipe_screen *screen,
-                              GLenum internalFormat)
+                              GLenum internalFormat, unsigned sample_count)
 {
    uint usage;
-   if (is_depth_or_stencil_format(internalFormat))
+   if (_mesa_is_depth_or_stencil_format(internalFormat))
       usage = PIPE_BIND_DEPTH_STENCIL;
    else
       usage = PIPE_BIND_RENDER_TARGET;
-   return st_choose_format(screen, internalFormat, PIPE_TEXTURE_2D, usage);
+   return st_choose_format(screen, internalFormat, PIPE_TEXTURE_2D,
+                           sample_count, usage);
 }
 
 
@@ -701,8 +991,8 @@ st_choose_renderbuffer_format(struct pipe_screen *screen,
  * Called via ctx->Driver.chooseTextureFormat().
  */
 gl_format
-st_ChooseTextureFormat(GLcontext *ctx, GLint internalFormat,
-                       GLenum format, GLenum type)
+st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
+                                 GLenum format, GLenum type, GLboolean renderable)
 {
    struct pipe_screen *screen = st_context(ctx)->pipe->screen;
    enum pipe_format pFormat;
@@ -714,19 +1004,22 @@ st_ChooseTextureFormat(GLcontext *ctx, GLint internalFormat,
    /* GL textures may wind up being render targets, but we don't know
     * that in advance.  Specify potential render target flags now.
     */
-   if (_mesa_is_depth_format(internalFormat) ||
-       _mesa_is_depthstencil_format(internalFormat))
-      bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL;
-   else 
-      bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
+   bindings = PIPE_BIND_SAMPLER_VIEW;
+   if (renderable == GL_TRUE) {
+      if (_mesa_is_depth_format(internalFormat) ||
+         _mesa_is_depth_or_stencil_format(internalFormat))
+        bindings |= PIPE_BIND_DEPTH_STENCIL;
+      else 
+        bindings |= PIPE_BIND_RENDER_TARGET;
+   }
 
    pFormat = st_choose_format(screen, internalFormat,
-                              PIPE_TEXTURE_2D, bindings);
+                              PIPE_TEXTURE_2D, 0, bindings);
 
    if (pFormat == PIPE_FORMAT_NONE) {
       /* try choosing format again, this time without render target bindings */
       pFormat = st_choose_format(screen, internalFormat,
-                                 PIPE_TEXTURE_2D, PIPE_BIND_SAMPLER_VIEW);
+                                 PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
    }
 
    if (pFormat == PIPE_FORMAT_NONE) {
@@ -737,6 +1030,19 @@ st_ChooseTextureFormat(GLcontext *ctx, GLint internalFormat,
    return st_pipe_format_to_mesa_format(pFormat);
 }
 
+gl_format
+st_ChooseTextureFormat(struct gl_context *ctx, GLint internalFormat,
+                       GLenum format, GLenum type)
+{
+   boolean want_renderable =
+      internalFormat == 3 || internalFormat == 4 ||
+      internalFormat == GL_RGB || internalFormat == GL_RGBA ||
+      internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
+      internalFormat == GL_BGRA;
+
+   return st_ChooseTextureFormat_renderable(ctx, internalFormat,
+                                           format, type, want_renderable);
+}
 
 /**
  * Test if a gallium format is equivalent to a GL format/type.
@@ -756,3 +1062,88 @@ st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type)
       return GL_FALSE;
    }
 }
+
+GLboolean
+st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2)
+{
+   if (format1 == format2)
+      return GL_TRUE;
+
+   if (format1 == PIPE_FORMAT_B8G8R8A8_UNORM &&
+       format2 == PIPE_FORMAT_B8G8R8X8_UNORM)
+      return GL_TRUE;
+
+   if (format1 == PIPE_FORMAT_B8G8R8X8_UNORM &&
+       format2 == PIPE_FORMAT_B8G8R8A8_UNORM)
+      return GL_TRUE;
+
+   if (format1 == PIPE_FORMAT_A8B8G8R8_UNORM &&
+       format2 == PIPE_FORMAT_X8B8G8R8_UNORM)
+      return GL_TRUE;
+
+   if (format1 == PIPE_FORMAT_X8B8G8R8_UNORM &&
+       format2 == PIPE_FORMAT_A8B8G8R8_UNORM)
+      return GL_TRUE;
+
+   if (format1 == PIPE_FORMAT_A8R8G8B8_UNORM &&
+       format2 == PIPE_FORMAT_X8R8G8B8_UNORM)
+      return GL_TRUE;
+
+   if (format1 == PIPE_FORMAT_X8R8G8B8_UNORM &&
+       format2 == PIPE_FORMAT_A8R8G8B8_UNORM)
+      return GL_TRUE;
+
+   return GL_FALSE;
+}
+
+
+
+/**
+ * This is used for translating texture border color and the clear
+ * color.  For example, the clear color is interpreted according to
+ * the renderbuffer's base format.  For example, if clearing a
+ * GL_LUMINANCE buffer, ClearColor[0] = luminance and ClearColor[1] =
+ * alpha.  Similarly for texture border colors.
+ */
+void
+st_translate_color(const GLfloat colorIn[4], GLenum baseFormat,
+                   GLfloat colorOut[4])
+{
+   switch (baseFormat) {
+   case GL_RED:
+      colorOut[0] = colorIn[0];
+      colorOut[1] = 0.0F;
+      colorOut[2] = 0.0F;
+      colorOut[3] = 1.0F;
+      break;
+   case GL_RG:
+      colorOut[0] = colorIn[0];
+      colorOut[1] = colorIn[1];
+      colorOut[2] = 0.0F;
+      colorOut[3] = 1.0F;
+      break;
+   case GL_RGB:
+      colorOut[0] = colorIn[0];
+      colorOut[1] = colorIn[1];
+      colorOut[2] = colorIn[2];
+      colorOut[3] = 1.0F;
+      break;
+   case GL_ALPHA:
+      colorOut[0] = colorOut[1] = colorOut[2] = 0.0;
+      colorOut[3] = colorIn[3];
+      break;
+   case GL_LUMINANCE:
+      colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
+      colorOut[3] = 1.0;
+      break;
+   case GL_LUMINANCE_ALPHA:
+      colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
+      colorOut[3] = colorIn[3];
+      break;
+   case GL_INTENSITY:
+      colorOut[0] = colorOut[1] = colorOut[2] = colorOut[3] = colorIn[0];
+      break;
+   default:
+      COPY_4V(colorOut, colorIn);
+   }
+}