diff options
Diffstat (limited to 'src/mesa/swrast/s_imaging.c')
| -rw-r--r-- | src/mesa/swrast/s_imaging.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/src/mesa/swrast/s_imaging.c b/src/mesa/swrast/s_imaging.c deleted file mode 100644 index 3578b713f61..00000000000 --- a/src/mesa/swrast/s_imaging.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 1999-2005 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. - */ - -/* KW: Moved these here to remove knowledge of swrast from core mesa. - * Should probably pull the entire software implementation of these - * extensions into either swrast or a sister module. - */ - -#include "main/glheader.h" -#include "main/colortab.h" -#include "main/convolve.h" -#include "s_context.h" -#include "s_span.h" - - -void -_swrast_CopyColorTable( GLcontext *ctx, - GLenum target, GLenum internalformat, - GLint x, GLint y, GLsizei width) -{ - GLchan data[MAX_WIDTH][4]; - struct gl_buffer_object *bufferSave; - - if (!ctx->ReadBuffer->_ColorReadBuffer) { - /* no readbuffer - OK */ - return; - } - - if (width > MAX_WIDTH) - width = MAX_WIDTH; - - swrast_render_start(ctx); - - /* read the data from framebuffer */ - _swrast_read_rgba_span( ctx, ctx->ReadBuffer->_ColorReadBuffer, - width, x, y, CHAN_TYPE, data ); - - swrast_render_finish(ctx); - - /* save PBO binding */ - bufferSave = ctx->Unpack.BufferObj; - ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj; - - _mesa_ColorTable(target, internalformat, width, GL_RGBA, CHAN_TYPE, data); - - /* restore PBO binding */ - ctx->Unpack.BufferObj = bufferSave; -} - - -void -_swrast_CopyColorSubTable( GLcontext *ctx,GLenum target, GLsizei start, - GLint x, GLint y, GLsizei width) -{ - GLchan data[MAX_WIDTH][4]; - struct gl_buffer_object *bufferSave; - - if (!ctx->ReadBuffer->_ColorReadBuffer) { - /* no readbuffer - OK */ - return; - } - - if (width > MAX_WIDTH) - width = MAX_WIDTH; - - swrast_render_start(ctx); - - /* read the data from framebuffer */ - _swrast_read_rgba_span( ctx, ctx->ReadBuffer->_ColorReadBuffer, - width, x, y, CHAN_TYPE, data ); - - swrast_render_finish(ctx); - - /* save PBO binding */ - bufferSave = ctx->Unpack.BufferObj; - ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj; - - _mesa_ColorSubTable(target, start, width, GL_RGBA, CHAN_TYPE, data); - - /* restore PBO binding */ - ctx->Unpack.BufferObj = bufferSave; -} - - -void -_swrast_CopyConvolutionFilter1D(GLcontext *ctx, GLenum target, - GLenum internalFormat, - GLint x, GLint y, GLsizei width) -{ - GLchan rgba[MAX_CONVOLUTION_WIDTH][4]; - struct gl_buffer_object *bufferSave; - - if (!ctx->ReadBuffer->_ColorReadBuffer) { - /* no readbuffer - OK */ - return; - } - - swrast_render_start(ctx); - - /* read the data from framebuffer */ - _swrast_read_rgba_span( ctx, ctx->ReadBuffer->_ColorReadBuffer, - width, x, y, CHAN_TYPE, rgba ); - - swrast_render_finish(ctx); - - /* save PBO binding */ - bufferSave = ctx->Unpack.BufferObj; - ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj; - - /* store as convolution filter */ - _mesa_ConvolutionFilter1D(target, internalFormat, width, - GL_RGBA, CHAN_TYPE, rgba); - - /* restore PBO binding */ - ctx->Unpack.BufferObj = bufferSave; -} - - -void -_swrast_CopyConvolutionFilter2D(GLcontext *ctx, GLenum target, - GLenum internalFormat, - GLint x, GLint y, GLsizei width, GLsizei height) -{ - struct gl_pixelstore_attrib packSave; - GLchan rgba[MAX_CONVOLUTION_HEIGHT][MAX_CONVOLUTION_WIDTH][4]; - GLint i; - struct gl_buffer_object *bufferSave; - - if (!ctx->ReadBuffer->_ColorReadBuffer) { - /* no readbuffer - OK */ - return; - } - - swrast_render_start(ctx); - - /* read pixels from framebuffer */ - for (i = 0; i < height; i++) { - _swrast_read_rgba_span( ctx, ctx->ReadBuffer->_ColorReadBuffer, - width, x, y + i, CHAN_TYPE, rgba[i] ); - } - - swrast_render_finish(ctx); - - /* - * HACK: save & restore context state so we can store this as a - * convolution filter via the GL api. Doesn't call any callbacks - * hanging off ctx->Unpack statechanges. - */ - - packSave = ctx->Unpack; /* save pixel packing params */ - - ctx->Unpack.Alignment = 1; - ctx->Unpack.RowLength = MAX_CONVOLUTION_WIDTH; - ctx->Unpack.SkipPixels = 0; - ctx->Unpack.SkipRows = 0; - ctx->Unpack.ImageHeight = 0; - ctx->Unpack.SkipImages = 0; - ctx->Unpack.SwapBytes = GL_FALSE; - ctx->Unpack.LsbFirst = GL_FALSE; - ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj; - ctx->NewState |= _NEW_PACKUNPACK; - - /* save PBO binding */ - bufferSave = ctx->Unpack.BufferObj; - ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj; - - _mesa_ConvolutionFilter2D(target, internalFormat, width, height, - GL_RGBA, CHAN_TYPE, rgba); - - /* restore PBO binding */ - ctx->Unpack.BufferObj = bufferSave; - - ctx->Unpack = packSave; /* restore pixel packing params */ - ctx->NewState |= _NEW_PACKUNPACK; -} |