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Diffstat (limited to 'mesalib/src/mesa/main/pixelstore.c')
-rw-r--r--mesalib/src/mesa/main/pixelstore.c559
1 files changed, 275 insertions, 284 deletions
diff --git a/mesalib/src/mesa/main/pixelstore.c b/mesalib/src/mesa/main/pixelstore.c
index f07115e6d..d957950ed 100644
--- a/mesalib/src/mesa/main/pixelstore.c
+++ b/mesalib/src/mesa/main/pixelstore.c
@@ -1,284 +1,275 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * 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.
- */
-
-/**
- * \file pixelstore.c
- * glPixelStore functions.
- */
-
-
-#include "glheader.h"
-#include "bufferobj.h"
-#include "context.h"
-#include "pixelstore.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-
-
-void GLAPIENTRY
-_mesa_PixelStorei( GLenum pname, GLint param )
-{
- /* 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 (param == (GLint)ctx->Pack.SwapBytes)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.SwapBytes = param ? GL_TRUE : GL_FALSE;
- break;
- case GL_PACK_LSB_FIRST:
- if (param == (GLint)ctx->Pack.LsbFirst)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Pack.LsbFirst = param ? GL_TRUE : GL_FALSE;
- break;
- case GL_PACK_ROW_LENGTH:
- 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;
- case GL_PACK_IMAGE_HEIGHT:
- 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;
- break;
- case GL_PACK_SKIP_PIXELS:
- 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;
- case GL_PACK_SKIP_ROWS:
- 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;
- case GL_PACK_SKIP_IMAGES:
- 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;
- 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;
- case GL_PACK_INVERT_MESA:
- 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_UNPACK_SWAP_BYTES:
- 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;
- break;
- case GL_UNPACK_LSB_FIRST:
- 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;
- case GL_UNPACK_ROW_LENGTH:
- 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;
- case GL_UNPACK_IMAGE_HEIGHT:
- 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;
- break;
- case GL_UNPACK_SKIP_PIXELS:
- 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;
- case GL_UNPACK_SKIP_ROWS:
- 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;
- case GL_UNPACK_SKIP_IMAGES:
- 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;
- 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;
- case GL_UNPACK_CLIENT_STORAGE_APPLE:
- if (param == (GLint)ctx->Unpack.ClientStorage)
- return;
- FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
- ctx->Unpack.ClientStorage = param ? GL_TRUE : GL_FALSE;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glPixelStore" );
- return;
- }
-}
-
-
-void GLAPIENTRY
-_mesa_PixelStoref( GLenum pname, GLfloat param )
-{
- _mesa_PixelStorei( pname, (GLint) param );
-}
-
-
-
-/**
- * Initialize the context's pixel store state.
- */
-void
-_mesa_init_pixelstore( struct gl_context *ctx )
-{
- /* Pixel transfer */
- ctx->Pack.Alignment = 4;
- ctx->Pack.RowLength = 0;
- ctx->Pack.ImageHeight = 0;
- ctx->Pack.SkipPixels = 0;
- ctx->Pack.SkipRows = 0;
- ctx->Pack.SkipImages = 0;
- ctx->Pack.SwapBytes = GL_FALSE;
- ctx->Pack.LsbFirst = GL_FALSE;
- ctx->Pack.ClientStorage = GL_FALSE;
- ctx->Pack.Invert = GL_FALSE;
-#if FEATURE_EXT_pixel_buffer_object
- _mesa_reference_buffer_object(ctx, &ctx->Pack.BufferObj,
- ctx->Shared->NullBufferObj);
-#endif
- ctx->Unpack.Alignment = 4;
- ctx->Unpack.RowLength = 0;
- ctx->Unpack.ImageHeight = 0;
- ctx->Unpack.SkipPixels = 0;
- ctx->Unpack.SkipRows = 0;
- ctx->Unpack.SkipImages = 0;
- ctx->Unpack.SwapBytes = GL_FALSE;
- ctx->Unpack.LsbFirst = GL_FALSE;
- ctx->Unpack.ClientStorage = GL_FALSE;
- ctx->Unpack.Invert = GL_FALSE;
-#if FEATURE_EXT_pixel_buffer_object
- _mesa_reference_buffer_object(ctx, &ctx->Unpack.BufferObj,
- ctx->Shared->NullBufferObj);
-#endif
-
- /*
- * _mesa_unpack_image() returns image data in this format. When we
- * execute image commands (glDrawPixels(), glTexImage(), etc) from
- * within display lists we have to be sure to set the current
- * unpacking parameters to these values!
- */
- ctx->DefaultPacking.Alignment = 1;
- ctx->DefaultPacking.RowLength = 0;
- ctx->DefaultPacking.SkipPixels = 0;
- ctx->DefaultPacking.SkipRows = 0;
- ctx->DefaultPacking.ImageHeight = 0;
- ctx->DefaultPacking.SkipImages = 0;
- ctx->DefaultPacking.SwapBytes = GL_FALSE;
- ctx->DefaultPacking.LsbFirst = GL_FALSE;
- ctx->DefaultPacking.ClientStorage = GL_FALSE;
- ctx->DefaultPacking.Invert = GL_FALSE;
-#if FEATURE_EXT_pixel_buffer_object
- _mesa_reference_buffer_object(ctx, &ctx->DefaultPacking.BufferObj,
- ctx->Shared->NullBufferObj);
-#endif
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * 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.
+ */
+
+/**
+ * \file pixelstore.c
+ * glPixelStore functions.
+ */
+
+
+#include "glheader.h"
+#include "bufferobj.h"
+#include "context.h"
+#include "pixelstore.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+
+
+void GLAPIENTRY
+_mesa_PixelStorei( GLenum pname, GLint param )
+{
+ /* 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 (param == (GLint)ctx->Pack.SwapBytes)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
+ ctx->Pack.SwapBytes = param ? GL_TRUE : GL_FALSE;
+ break;
+ case GL_PACK_LSB_FIRST:
+ if (param == (GLint)ctx->Pack.LsbFirst)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
+ ctx->Pack.LsbFirst = param ? GL_TRUE : GL_FALSE;
+ break;
+ case GL_PACK_ROW_LENGTH:
+ 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;
+ case GL_PACK_IMAGE_HEIGHT:
+ 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;
+ break;
+ case GL_PACK_SKIP_PIXELS:
+ 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;
+ case GL_PACK_SKIP_ROWS:
+ 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;
+ case GL_PACK_SKIP_IMAGES:
+ 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;
+ 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;
+ case GL_PACK_INVERT_MESA:
+ 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_UNPACK_SWAP_BYTES:
+ 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;
+ break;
+ case GL_UNPACK_LSB_FIRST:
+ 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;
+ case GL_UNPACK_ROW_LENGTH:
+ 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;
+ case GL_UNPACK_IMAGE_HEIGHT:
+ 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;
+ break;
+ case GL_UNPACK_SKIP_PIXELS:
+ 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;
+ case GL_UNPACK_SKIP_ROWS:
+ 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;
+ case GL_UNPACK_SKIP_IMAGES:
+ 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;
+ 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;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glPixelStore" );
+ return;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_PixelStoref( GLenum pname, GLfloat param )
+{
+ _mesa_PixelStorei( pname, (GLint) param );
+}
+
+
+
+/**
+ * Initialize the context's pixel store state.
+ */
+void
+_mesa_init_pixelstore( struct gl_context *ctx )
+{
+ /* Pixel transfer */
+ ctx->Pack.Alignment = 4;
+ ctx->Pack.RowLength = 0;
+ ctx->Pack.ImageHeight = 0;
+ ctx->Pack.SkipPixels = 0;
+ ctx->Pack.SkipRows = 0;
+ ctx->Pack.SkipImages = 0;
+ ctx->Pack.SwapBytes = GL_FALSE;
+ ctx->Pack.LsbFirst = GL_FALSE;
+ ctx->Pack.Invert = GL_FALSE;
+#if FEATURE_EXT_pixel_buffer_object
+ _mesa_reference_buffer_object(ctx, &ctx->Pack.BufferObj,
+ ctx->Shared->NullBufferObj);
+#endif
+ ctx->Unpack.Alignment = 4;
+ ctx->Unpack.RowLength = 0;
+ ctx->Unpack.ImageHeight = 0;
+ ctx->Unpack.SkipPixels = 0;
+ ctx->Unpack.SkipRows = 0;
+ ctx->Unpack.SkipImages = 0;
+ ctx->Unpack.SwapBytes = GL_FALSE;
+ ctx->Unpack.LsbFirst = GL_FALSE;
+ ctx->Unpack.Invert = GL_FALSE;
+#if FEATURE_EXT_pixel_buffer_object
+ _mesa_reference_buffer_object(ctx, &ctx->Unpack.BufferObj,
+ ctx->Shared->NullBufferObj);
+#endif
+
+ /*
+ * _mesa_unpack_image() returns image data in this format. When we
+ * execute image commands (glDrawPixels(), glTexImage(), etc) from
+ * within display lists we have to be sure to set the current
+ * unpacking parameters to these values!
+ */
+ ctx->DefaultPacking.Alignment = 1;
+ ctx->DefaultPacking.RowLength = 0;
+ ctx->DefaultPacking.SkipPixels = 0;
+ ctx->DefaultPacking.SkipRows = 0;
+ ctx->DefaultPacking.ImageHeight = 0;
+ ctx->DefaultPacking.SkipImages = 0;
+ ctx->DefaultPacking.SwapBytes = GL_FALSE;
+ ctx->DefaultPacking.LsbFirst = GL_FALSE;
+ ctx->DefaultPacking.Invert = GL_FALSE;
+#if FEATURE_EXT_pixel_buffer_object
+ _mesa_reference_buffer_object(ctx, &ctx->DefaultPacking.BufferObj,
+ ctx->Shared->NullBufferObj);
+#endif
+}
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