/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
/**
#include "bufferobj.h"
#include "context.h"
#include "pixelstore.h"
-#include "mfeatures.h"
#include "mtypes.h"
{
/* NOTE: this call can't be compiled into the display list */
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
switch (pname) {
case GL_PACK_SWAP_BYTES:
if (!_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param == (GLint)ctx->Pack.SwapBytes)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
ctx->Pack.SwapBytes = param ? GL_TRUE : GL_FALSE;
- break;
+ break;
case GL_PACK_LSB_FIRST:
if (!_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param == (GLint)ctx->Pack.LsbFirst)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
ctx->Pack.LsbFirst = param ? GL_TRUE : GL_FALSE;
- break;
+ break;
case GL_PACK_ROW_LENGTH:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.RowLength == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.RowLength = param;
- break;
+ if (param<0)
+ goto invalid_value_error;
+ ctx->Pack.RowLength = param;
+ break;
case GL_PACK_IMAGE_HEIGHT:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.ImageHeight == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.ImageHeight = param;
+ if (param<0)
+ goto invalid_value_error;
+ ctx->Pack.ImageHeight = param;
break;
case GL_PACK_SKIP_PIXELS:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.SkipPixels == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.SkipPixels = param;
- break;
+ if (param<0)
+ goto invalid_value_error;
+ ctx->Pack.SkipPixels = param;
+ break;
case GL_PACK_SKIP_ROWS:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.SkipRows == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.SkipRows = param;
- break;
+ if (param<0)
+ goto invalid_value_error;
+ ctx->Pack.SkipRows = param;
+ break;
case GL_PACK_SKIP_IMAGES:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.SkipImages == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.SkipImages = param;
- break;
+ if (param<0)
+ goto invalid_value_error;
+ ctx->Pack.SkipImages = param;
+ break;
case GL_PACK_ALIGNMENT:
- if (param!=1 && param!=2 && param!=4 && param!=8) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Pack.Alignment == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.Alignment = param;
- break;
+ if (param!=1 && param!=2 && param!=4 && param!=8)
+ goto invalid_value_error;
+ ctx->Pack.Alignment = param;
+ break;
case GL_PACK_INVERT_MESA:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.MESA_pack_invert)
goto invalid_enum_error;
- if (!ctx->Extensions.MESA_pack_invert) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glPixelstore(pname)" );
- return;
- }
- if (ctx->Pack.Invert == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
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))
goto invalid_enum_error;
- if (param == (GLint)ctx->Unpack.SwapBytes)
- return;
- if ((GLint)ctx->Unpack.SwapBytes == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.SwapBytes = param ? GL_TRUE : GL_FALSE;
+ ctx->Unpack.SwapBytes = param ? GL_TRUE : GL_FALSE;
break;
case GL_UNPACK_LSB_FIRST:
if (!_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param == (GLint)ctx->Unpack.LsbFirst)
- return;
- if ((GLint)ctx->Unpack.LsbFirst == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.LsbFirst = param ? GL_TRUE : GL_FALSE;
- break;
+ ctx->Unpack.LsbFirst = param ? GL_TRUE : GL_FALSE;
+ break;
case GL_UNPACK_ROW_LENGTH:
if (ctx->API == API_OPENGLES)
goto invalid_enum_error;
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Unpack.RowLength == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.RowLength = param;
- break;
+ if (param<0)
+ goto invalid_value_error;
+ ctx->Unpack.RowLength = param;
+ break;
case GL_UNPACK_IMAGE_HEIGHT:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Unpack.ImageHeight == param)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.ImageHeight = param;
+ if (param<0)
+ goto invalid_value_error;
+ ctx->Unpack.ImageHeight = param;
break;
case GL_UNPACK_SKIP_PIXELS:
if (ctx->API == API_OPENGLES)
goto invalid_enum_error;
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Unpack.SkipPixels == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.SkipPixels = param;
- break;
+ if (param<0)
+ goto invalid_value_error;
+ ctx->Unpack.SkipPixels = param;
+ break;
case GL_UNPACK_SKIP_ROWS:
if (ctx->API == API_OPENGLES)
goto invalid_enum_error;
- if (param<0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Unpack.SkipRows == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.SkipRows = param;
- break;
+ if (param<0)
+ goto invalid_value_error;
+ ctx->Unpack.SkipRows = param;
+ break;
case GL_UNPACK_SKIP_IMAGES:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
- return;
- }
- if (ctx->Unpack.SkipImages == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.SkipImages = param;
- break;
+ if (param < 0)
+ goto invalid_value_error;
+ ctx->Unpack.SkipImages = param;
+ break;
case GL_UNPACK_ALIGNMENT:
- if (param!=1 && param!=2 && param!=4 && param!=8) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore" );
- return;
- }
- if (ctx->Unpack.Alignment == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.Alignment = param;
- break;
+ if (param!=1 && param!=2 && param!=4 && param!=8)
+ 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;
}
invalid_enum_error:
_mesa_error( ctx, GL_INVALID_ENUM, "glPixelStore" );
return;
+
+invalid_value_error:
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
+ return;
}
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;
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);
_mesa_reference_buffer_object(ctx, &ctx->DefaultPacking.BufferObj,
ctx->Shared->NullBufferObj);
}
+
+
+/**
+ * Check if the given compressed pixel storage parameters are legal.
+ * Record a GL error if illegal.
+ * \return true if legal, false if illegal
+ */
+bool
+_mesa_compressed_pixel_storage_error_check(
+ struct gl_context *ctx,
+ GLint dimensions,
+ const struct gl_pixelstore_attrib *packing,
+ const char *caller)
+{
+ if (!_mesa_is_desktop_gl(ctx) || !packing->CompressedBlockSize)
+ return true;
+
+ if (packing->CompressedBlockWidth &&
+ packing->SkipPixels % packing->CompressedBlockWidth) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(skip-pixels %% block-width)", caller);
+ return false;
+ }
+
+ if (dimensions > 1 &&
+ packing->CompressedBlockHeight &&
+ packing->SkipRows % packing->CompressedBlockHeight) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(skip-rows %% block-height)", caller);
+ return false;
+ }
+
+ if (dimensions > 2 &&
+ packing->CompressedBlockDepth &&
+ packing->SkipImages % packing->CompressedBlockDepth) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(skip-images %% block-depth)", caller);
+ return false;
+ }
+
+ return true;
+}
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