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author | marha <marha@users.sourceforge.net> | 2011-09-26 17:04:30 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2011-09-26 17:04:30 +0200 |
commit | 873965b49f283ad028dd4e0e5b7e93a758c84993 (patch) | |
tree | 84122d76cb641b54ea85cee9b631fb51c25052b5 /mesalib/src/mesa/main/pixelstore.c | |
parent | c1e6c7428a8d2c1b60ffac7df7a3f56c300fa983 (diff) | |
download | vcxsrv-873965b49f283ad028dd4e0e5b7e93a758c84993.tar.gz vcxsrv-873965b49f283ad028dd4e0e5b7e93a758c84993.tar.bz2 vcxsrv-873965b49f283ad028dd4e0e5b7e93a758c84993.zip |
fontconfig libX11 libXext libXft libXmu mesa git update 26 sep 2011
Diffstat (limited to 'mesalib/src/mesa/main/pixelstore.c')
-rw-r--r-- | mesalib/src/mesa/main/pixelstore.c | 559 |
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 +} |