Mesa (master): mesa: Add new pixel pack/unpack state for

[Chris Forbes]

Module: Mesa
Branch: master
Commit: 75a5823749420bbbb71a00abe482bd40d4d2c97b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=75a5823749420bbbb71a00abe482bd40d4d2c97b

Author: Chris Forbes <chrisf at ijw.co.nz>
Date:   Tue May 20 22:37:13 2014 +1200

mesa: Add new pixel pack/unpack state for
ARB_compressed_texture_pixel_storage

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

---

 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 c7a6e02..87d96b2 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);