st/mesa: add ETC2 & ASTC fast path for GetTex(Sub)Image

Not sure if GL/GLES can hit this path, but it's just decompression.

Tested-by: Mike Lothian <mike@fireburn.co.uk>
Tested-By: Gert Wollny<gert.wollny@collabora.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Reviewed-By: Gert Wollny <gw.fossdev@gmail.com>

diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index ecd1f4ef339d4e10da4897b09fea406d181455ff..80eb171dfd81bd09c30e00e3454ab42d17f3512e 100644 (file)
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -1967,6 +1967,23 @@ st_GetTexSubImage(struct gl_context * ctx,
       case PIPE_FORMAT_RGTC1_UNORM:
       case PIPE_FORMAT_RGTC2_UNORM:
       case PIPE_FORMAT_ETC1_RGB8:
+      case PIPE_FORMAT_ETC2_RGB8:
+      case PIPE_FORMAT_ETC2_RGB8A1:
+      case PIPE_FORMAT_ETC2_RGBA8:
+      case PIPE_FORMAT_ASTC_4x4:
+      case PIPE_FORMAT_ASTC_5x4:
+      case PIPE_FORMAT_ASTC_5x5:
+      case PIPE_FORMAT_ASTC_6x5:
+      case PIPE_FORMAT_ASTC_6x6:
+      case PIPE_FORMAT_ASTC_8x5:
+      case PIPE_FORMAT_ASTC_8x6:
+      case PIPE_FORMAT_ASTC_8x8:
+      case PIPE_FORMAT_ASTC_10x5:
+      case PIPE_FORMAT_ASTC_10x6:
+      case PIPE_FORMAT_ASTC_10x8:
+      case PIPE_FORMAT_ASTC_10x10:
+      case PIPE_FORMAT_ASTC_12x10:
+      case PIPE_FORMAT_ASTC_12x12:
       case PIPE_FORMAT_BPTC_RGBA_UNORM:
          dst_glformat = GL_RGBA8;
          break;
@@ -1982,6 +1999,30 @@ st_GetTexSubImage(struct gl_context * ctx,
             goto fallback;
          dst_glformat = GL_RGBA32F;
          break;
+      case PIPE_FORMAT_ETC2_R11_UNORM:
+         if (!screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM,
+                                          pipe_target, 0, bind))
+            goto fallback;
+         dst_glformat = GL_R16;
+         break;
+      case PIPE_FORMAT_ETC2_R11_SNORM:
+         if (!screen->is_format_supported(screen, PIPE_FORMAT_R16_SNORM,
+                                          pipe_target, 0, bind))
+            goto fallback;
+         dst_glformat = GL_R16_SNORM;
+         break;
+      case PIPE_FORMAT_ETC2_RG11_UNORM:
+         if (!screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM,
+                                          pipe_target, 0, bind))
+            goto fallback;
+         dst_glformat = GL_RG16;
+         break;
+      case PIPE_FORMAT_ETC2_RG11_SNORM:
+         if (!screen->is_format_supported(screen, PIPE_FORMAT_R16G16_SNORM,
+                                          pipe_target, 0, bind))
+            goto fallback;
+         dst_glformat = GL_RG16_SNORM;
+         break;
       default:
          assert(0);
          goto fallback;