From f26baad2e1e8cb3c24fa64cc31869ec7b27d71ff Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Mon, 9 Jun 2008 14:14:34 -0600 Subject: mesa: refactor: move glPixelStore function into new pixelstore.c file --- src/mesa/main/pixelstore.c | 226 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 226 insertions(+) create mode 100644 src/mesa/main/pixelstore.c (limited to 'src/mesa/main/pixelstore.c') diff --git a/src/mesa/main/pixelstore.c b/src/mesa/main/pixelstore.c new file mode 100644 index 00000000000..f5f054f938e --- /dev/null +++ b/src/mesa/main/pixelstore.c @@ -0,0 +1,226 @@ +/* + * 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 "colormac.h" +#include "context.h" +#include "image.h" +#include "macros.h" +#include "pixelstore.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 ); +} -- cgit v1.2.3 From 5f91007f996d0b7e3233f221a6b0056203e356d2 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Mon, 9 Jun 2008 14:25:23 -0600 Subject: mesa: refactor: new _mesa_init_pixelstore() function --- src/mesa/main/context.c | 2 ++ src/mesa/main/pixel.c | 28 ---------------------------- src/mesa/main/pixelstore.c | 37 +++++++++++++++++++++++++++++++++++++ src/mesa/main/pixelstore.h | 4 ++++ 4 files changed, 43 insertions(+), 28 deletions(-) (limited to 'src/mesa/main/pixelstore.c') diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index 00531800001..522420592c4 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -105,6 +105,7 @@ #include "macros.h" #include "matrix.h" #include "pixel.h" +#include "pixelstore.h" #include "points.h" #include "polygon.h" #include "queryobj.h" @@ -969,6 +970,7 @@ init_attrib_groups(GLcontext *ctx) _mesa_init_matrix( ctx ); _mesa_init_multisample( ctx ); _mesa_init_pixel( ctx ); + _mesa_init_pixelstore( ctx ); _mesa_init_point( ctx ); _mesa_init_polygon( ctx ); _mesa_init_program( ctx ); diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c index 1e2d31e1724..f14b225c1dc 100644 --- a/src/mesa/main/pixel.c +++ b/src/mesa/main/pixel.c @@ -1321,34 +1321,6 @@ _mesa_init_pixel( GLcontext *ctx ) ASSIGN_4V(ctx->Pixel.TextureColorTableScale, 1.0, 1.0, 1.0, 1.0); ASSIGN_4V(ctx->Pixel.TextureColorTableBias, 0.0, 0.0, 0.0, 0.0); - /* 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 - ctx->Pack.BufferObj = ctx->Array.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 - ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; -#endif - /* * _mesa_unpack_image() returns image data in this format. When we * execute image commands (glDrawPixels(), glTexImage(), etc) from diff --git a/src/mesa/main/pixelstore.c b/src/mesa/main/pixelstore.c index f5f054f938e..3bf89bd3e18 100644 --- a/src/mesa/main/pixelstore.c +++ b/src/mesa/main/pixelstore.c @@ -224,3 +224,40 @@ _mesa_PixelStoref( GLenum pname, GLfloat param ) { _mesa_PixelStorei( pname, (GLint) param ); } + + + +/** + * Initialize the context's pixel store state. + */ +void +_mesa_init_pixelstore( GLcontext *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 + ctx->Pack.BufferObj = ctx->Array.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 + ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; +#endif +} diff --git a/src/mesa/main/pixelstore.h b/src/mesa/main/pixelstore.h index c42f3040306..ee963f9ba3c 100644 --- a/src/mesa/main/pixelstore.h +++ b/src/mesa/main/pixelstore.h @@ -43,4 +43,8 @@ extern void GLAPIENTRY _mesa_PixelStoref( GLenum pname, GLfloat param ); +extern void +_mesa_init_pixelstore( GLcontext *ctx ); + + #endif -- cgit v1.2.3 From 8e0f166eb5edb8537af573d8d33a26ffaf8e66c9 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 20 Jun 2008 11:31:05 -0600 Subject: mesa: refactor: move initialization of DefaultPacking state. --- src/mesa/main/pixel.c | 20 -------------------- src/mesa/main/pixelstore.c | 20 ++++++++++++++++++++ 2 files changed, 20 insertions(+), 20 deletions(-) (limited to 'src/mesa/main/pixelstore.c') diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c index c9c4289f699..c98506b2bb0 100644 --- a/src/mesa/main/pixel.c +++ b/src/mesa/main/pixel.c @@ -910,26 +910,6 @@ _mesa_init_pixel( GLcontext *ctx ) ASSIGN_4V(ctx->Pixel.TextureColorTableScale, 1.0, 1.0, 1.0, 1.0); ASSIGN_4V(ctx->Pixel.TextureColorTableBias, 0.0, 0.0, 0.0, 0.0); - /* - * _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 - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; -#endif - if (ctx->Visual.doubleBufferMode) { ctx->Pixel.ReadBuffer = GL_BACK; } diff --git a/src/mesa/main/pixelstore.c b/src/mesa/main/pixelstore.c index 3bf89bd3e18..ff1a6344cc9 100644 --- a/src/mesa/main/pixelstore.c +++ b/src/mesa/main/pixelstore.c @@ -260,4 +260,24 @@ _mesa_init_pixelstore( GLcontext *ctx ) #if FEATURE_EXT_pixel_buffer_object ctx->Unpack.BufferObj = ctx->Array.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 + ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; +#endif } -- cgit v1.2.3