[Mesa-dev] [PATCH 06/11] mesa: Add new pixel pack/unpack state for ARB_compressed_texture_pixel_storage

[Chris Forbes]

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
---
 src/mesa/main/get_hash_params.py | 10 +++++++
 src/mesa/main/mtypes.h           |  4 +++
 src/mesa/main/pixelstore.c       | 64 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 78 insertions(+)

diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
index d40fa07..d480d84 100644
--- a/src/mesa/main/get_hash_params.py
+++ b/src/mesa/main/get_hash_params.py
@@ -541,6 +541,16 @@ descriptor=[
   [ "ARRAY_ELEMENT_LOCK_FIRST_EXT", "CONTEXT_INT(Array.LockFirst), NO_EXTRA" ],
   [ "ARRAY_ELEMENT_LOCK_COUNT_EXT", "CONTEXT_INT(Array.LockCount), NO_EXTRA" ],
 
+# GL_ARB_compressed_texture_pixel_storage
+  [ "UNPACK_COMPRESSED_BLOCK_WIDTH", "CONTEXT_INT(Unpack.CompressedBlockWidth), NO_EXTRA" ],
+  [ "UNPACK_COMPRESSED_BLOCK_HEIGHT", "CONTEXT_INT(Unpack.CompressedBlockHeight), NO_EXTRA" ],
+  [ "UNPACK_COMPRESSED_BLOCK_DEPTH", "CONTEXT_INT(Unpack.CompressedBlockDepth), NO_EXTRA" ],
+  [ "UNPACK_COMPRESSED_BLOCK_SIZE", "CONTEXT_INT(Unpack.CompressedBlockSize), NO_EXTRA" ],
+  [ "PACK_COMPRESSED_BLOCK_WIDTH", "CONTEXT_INT(Pack.CompressedBlockWidth), NO_EXTRA" ],
+  [ "PACK_COMPRESSED_BLOCK_HEIGHT", "CONTEXT_INT(Pack.CompressedBlockHeight), NO_EXTRA" ],
+  [ "PACK_COMPRESSED_BLOCK_DEPTH", "CONTEXT_INT(Pack.CompressedBlockDepth), NO_EXTRA" ],
+  [ "PACK_COMPRESSED_BLOCK_SIZE", "CONTEXT_INT(Pack.CompressedBlockSize), NO_EXTRA" ],
+
 # GL_ARB_transpose_matrix
   [ "TRANSPOSE_MODELVIEW_MATRIX_ARB", "CONTEXT_MATRIX_T(ModelviewMatrixStack), NO_EXTRA" ],
   [ "TRANSPOSE_PROJECTION_MATRIX_ARB", "CONTEXT_MATRIX_T(ProjectionMatrixStack.Top), NO_EXTRA" ],
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 917d071..e366d00 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1502,6 +1502,10 @@ struct gl_pixelstore_attrib
    GLboolean SwapBytes;
    GLboolean LsbFirst;
    GLboolean Invert;        /**< GL_MESA_pack_invert */
+   GLint CompressedBlockWidth;   /**< GL_ARB_compressed_texture_pixel_storage */
+   GLint CompressedBlockHeight;
+   GLint CompressedBlockDepth;
+   GLint CompressedBlockSize;
    struct gl_buffer_object *BufferObj; /**< GL_ARB_pixel_buffer_object */
 };
 
diff --git a/src/mesa/main/pixelstore.c b/src/mesa/main/pixelstore.c
index 86625e4..05f6583 100644
--- a/src/mesa/main/pixelstore.c
+++ b/src/mesa/main/pixelstore.c
@@ -97,6 +97,34 @@ _mesa_PixelStorei( GLenum pname, GLint param )
             goto invalid_enum_error;
          ctx->Pack.Invert = param;
          break;
+      case GL_PACK_COMPRESSED_BLOCK_WIDTH:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         if (param<0)
+            goto invalid_value_error;
+         ctx->Pack.CompressedBlockWidth = param;
+         break;
+      case GL_PACK_COMPRESSED_BLOCK_HEIGHT:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         if (param<0)
+            goto invalid_value_error;
+         ctx->Pack.CompressedBlockHeight = param;
+         break;
+      case GL_PACK_COMPRESSED_BLOCK_DEPTH:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         if (param<0)
+            goto invalid_value_error;
+         ctx->Pack.CompressedBlockDepth = param;
+         break;
+      case GL_PACK_COMPRESSED_BLOCK_SIZE:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         if (param<0)
+            goto invalid_value_error;
+         ctx->Pack.CompressedBlockSize = param;
+         break;
 
       case GL_UNPACK_SWAP_BYTES:
          if (!_mesa_is_desktop_gl(ctx))
@@ -148,6 +176,34 @@ _mesa_PixelStorei( GLenum pname, GLint param )
             goto invalid_value_error;
          ctx->Unpack.Alignment = param;
          break;
+      case GL_UNPACK_COMPRESSED_BLOCK_WIDTH:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         if (param<0)
+            goto invalid_value_error;
+         ctx->Unpack.CompressedBlockWidth = param;
+         break;
+      case GL_UNPACK_COMPRESSED_BLOCK_HEIGHT:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         if (param<0)
+            goto invalid_value_error;
+         ctx->Unpack.CompressedBlockHeight = param;
+         break;
+      case GL_UNPACK_COMPRESSED_BLOCK_DEPTH:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         if (param<0)
+            goto invalid_value_error;
+         ctx->Unpack.CompressedBlockDepth = param;
+         break;
+      case GL_UNPACK_COMPRESSED_BLOCK_SIZE:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         if (param<0)
+            goto invalid_value_error;
+         ctx->Unpack.CompressedBlockSize = param;
+         break;
       default:
          goto invalid_enum_error;
    }
@@ -188,6 +244,10 @@ _mesa_init_pixelstore( struct gl_context *ctx )
    ctx->Pack.SwapBytes = GL_FALSE;
    ctx->Pack.LsbFirst = GL_FALSE;
    ctx->Pack.Invert = GL_FALSE;
+   ctx->Pack.CompressedBlockWidth = 0;
+   ctx->Pack.CompressedBlockHeight = 0;
+   ctx->Pack.CompressedBlockDepth = 0;
+   ctx->Pack.CompressedBlockSize = 0;
    _mesa_reference_buffer_object(ctx, &ctx->Pack.BufferObj,
                                  ctx->Shared->NullBufferObj);
    ctx->Unpack.Alignment = 4;
@@ -199,6 +259,10 @@ _mesa_init_pixelstore( struct gl_context *ctx )
    ctx->Unpack.SwapBytes = GL_FALSE;
    ctx->Unpack.LsbFirst = GL_FALSE;
    ctx->Unpack.Invert = GL_FALSE;
+   ctx->Unpack.CompressedBlockWidth = 0;
+   ctx->Unpack.CompressedBlockHeight = 0;
+   ctx->Unpack.CompressedBlockDepth = 0;
+   ctx->Unpack.CompressedBlockSize = 0;
    _mesa_reference_buffer_object(ctx, &ctx->Unpack.BufferObj,
                                  ctx->Shared->NullBufferObj);
 
-- 
1.9.3