diff options
author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2017-02-17 16:11:01 +0100 |
---|---|---|
committer | ftrapero <frantracer@gmail.com> | 2017-06-15 14:16:37 +0200 |
commit | 209657f69055b17b00c3db3f99c7f411a6e8d176 (patch) | |
tree | 8d6ae61dfda54305a712bded9caff9ee608abf4e /nx-X11/extras/Mesa/src/mesa/swrast/s_bitmap.c | |
parent | 459021c165c7023ee75f524060ca270985b547c1 (diff) | |
download | nx-libs-209657f69055b17b00c3db3f99c7f411a6e8d176.tar.gz nx-libs-209657f69055b17b00c3db3f99c7f411a6e8d176.tar.bz2 nx-libs-209657f69055b17b00c3db3f99c7f411a6e8d176.zip |
nx-X11/extras/Mesa: Drop bundled Mesa, place a symlink to imported Git subtree of Mesa_6.4.1 instead.
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/swrast/s_bitmap.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/swrast/s_bitmap.c | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/swrast/s_bitmap.c b/nx-X11/extras/Mesa/src/mesa/swrast/s_bitmap.c deleted file mode 100644 index dd5008cf6..000000000 --- a/nx-X11/extras/Mesa/src/mesa/swrast/s_bitmap.c +++ /dev/null @@ -1,282 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * Copyright (C) 1999-2004 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 swrast/s_bitmap.c - * \brief glBitmap rendering. - * \author Brian Paul - */ - -#include "glheader.h" -#include "bufferobj.h" -#include "image.h" -#include "macros.h" -#include "pixel.h" - -#include "s_context.h" -#include "s_span.h" - - - -/* - * Render a bitmap. - */ -void -_swrast_Bitmap( GLcontext *ctx, GLint px, GLint py, - GLsizei width, GLsizei height, - const struct gl_pixelstore_attrib *unpack, - const GLubyte *bitmap ) -{ - SWcontext *swrast = SWRAST_CONTEXT(ctx); - GLint row, col; - GLuint count = 0; - struct sw_span span; - - ASSERT(ctx->RenderMode == GL_RENDER); - - if (unpack->BufferObj->Name) { - /* unpack from PBO */ - GLubyte *buf; - if (!_mesa_validate_pbo_access(2, unpack, width, height, 1, - GL_COLOR_INDEX, GL_BITMAP, - (GLvoid *) bitmap)) { - _mesa_error(ctx, GL_INVALID_OPERATION,"glBitmap(invalid PBO access)"); - return; - } - buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - GL_READ_ONLY_ARB, - unpack->BufferObj); - if (!buf) { - /* buffer is already mapped - that's an error */ - _mesa_error(ctx, GL_INVALID_OPERATION, "glBitmap(PBO is mapped)"); - return; - } - bitmap = ADD_POINTERS(buf, bitmap); - } - - RENDER_START(swrast,ctx); - - if (SWRAST_CONTEXT(ctx)->NewState) - _swrast_validate_derived( ctx ); - - INIT_SPAN(span, GL_BITMAP, width, 0, SPAN_XY); - - if (ctx->Visual.rgbMode) { - span.interpMask |= SPAN_RGBA; - span.red = FloatToFixed(ctx->Current.RasterColor[0] * CHAN_MAXF); - span.green = FloatToFixed(ctx->Current.RasterColor[1] * CHAN_MAXF); - span.blue = FloatToFixed(ctx->Current.RasterColor[2] * CHAN_MAXF); - span.alpha = FloatToFixed(ctx->Current.RasterColor[3] * CHAN_MAXF); - span.redStep = span.greenStep = span.blueStep = span.alphaStep = 0; - } - else { - span.interpMask |= SPAN_INDEX; - span.index = FloatToFixed(ctx->Current.RasterIndex); - span.indexStep = 0; - } - - if (ctx->Depth.Test) - _swrast_span_default_z(ctx, &span); - if (swrast->_FogEnabled) - _swrast_span_default_fog(ctx, &span); - if (ctx->Texture._EnabledCoordUnits) - _swrast_span_default_texcoords(ctx, &span); - - for (row = 0; row < height; row++) { - const GLubyte *src = (const GLubyte *) _mesa_image_address2d(unpack, - bitmap, width, height, GL_COLOR_INDEX, GL_BITMAP, row, 0); - - if (unpack->LsbFirst) { - /* Lsb first */ - GLubyte mask = 1U << (unpack->SkipPixels & 0x7); - for (col = 0; col < width; col++) { - if (*src & mask) { - span.array->x[count] = px + col; - span.array->y[count] = py + row; - count++; - } - if (mask == 128U) { - src++; - mask = 1U; - } - else { - mask = mask << 1; - } - } - - /* get ready for next row */ - if (mask != 1) - src++; - } - else { - /* Msb first */ - GLubyte mask = 128U >> (unpack->SkipPixels & 0x7); - for (col = 0; col < width; col++) { - if (*src & mask) { - span.array->x[count] = px + col; - span.array->y[count] = py + row; - count++; - } - if (mask == 1U) { - src++; - mask = 128U; - } - else { - mask = mask >> 1; - } - } - - /* get ready for next row */ - if (mask != 128) - src++; - } - - if (count + width >= MAX_WIDTH || row + 1 == height) { - /* flush the span */ - span.end = count; - if (ctx->Visual.rgbMode) - _swrast_write_rgba_span(ctx, &span); - else - _swrast_write_index_span(ctx, &span); - span.end = 0; - count = 0; - } - } - - RENDER_FINISH(swrast,ctx); - - if (unpack->BufferObj->Name) { - /* done with PBO so unmap it now */ - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - unpack->BufferObj); - } -} - - -#if 0 -/* - * XXX this is another way to implement Bitmap. Use horizontal runs of - * fragments, initializing the mask array to indicate which fragmens to - * draw or skip. - */ -void -_swrast_Bitmap( GLcontext *ctx, GLint px, GLint py, - GLsizei width, GLsizei height, - const struct gl_pixelstore_attrib *unpack, - const GLubyte *bitmap ) -{ - SWcontext *swrast = SWRAST_CONTEXT(ctx); - GLint row, col; - struct sw_span span; - - ASSERT(ctx->RenderMode == GL_RENDER); - ASSERT(bitmap); - - RENDER_START(swrast,ctx); - - if (SWRAST_CONTEXT(ctx)->NewState) - _swrast_validate_derived( ctx ); - - INIT_SPAN(span, GL_BITMAP, width, 0, SPAN_MASK); - - /*span.arrayMask |= SPAN_MASK;*/ /* we'll init span.mask[] */ - span.x = px; - span.y = py; - /*span.end = width;*/ - if (ctx->Visual.rgbMode) { - span.interpMask |= SPAN_RGBA; - span.red = FloatToFixed(ctx->Current.RasterColor[0] * CHAN_MAXF); - span.green = FloatToFixed(ctx->Current.RasterColor[1] * CHAN_MAXF); - span.blue = FloatToFixed(ctx->Current.RasterColor[2] * CHAN_MAXF); - span.alpha = FloatToFixed(ctx->Current.RasterColor[3] * CHAN_MAXF); - span.redStep = span.greenStep = span.blueStep = span.alphaStep = 0; - } - else { - span.interpMask |= SPAN_INDEX; - span.index = FloatToFixed(ctx->Current.RasterIndex); - span.indexStep = 0; - } - - if (ctx->Depth.Test) - _swrast_span_default_z(ctx, &span); - if (swrast->_FogEnabled) - _swrast_span_default_fog(ctx, &span); - if (ctx->Texture._EnabledCoordUnits) - _swrast_span_default_texcoords(ctx, &span); - - for (row=0; row<height; row++, span.y++) { - const GLubyte *src = (const GLubyte *) _mesa_image_address2d(unpack, - bitmap, width, height, GL_COLOR_INDEX, GL_BITMAP, row, 0); - - if (unpack->LsbFirst) { - /* Lsb first */ - GLubyte mask = 1U << (unpack->SkipPixels & 0x7); - for (col=0; col<width; col++) { - span.array->mask[col] = (*src & mask) ? GL_TRUE : GL_FALSE; - if (mask == 128U) { - src++; - mask = 1U; - } - else { - mask = mask << 1; - } - } - - if (ctx->Visual.rgbMode) - _swrast_write_rgba_span(ctx, &span); - else - _swrast_write_index_span(ctx, &span); - - /* get ready for next row */ - if (mask != 1) - src++; - } - else { - /* Msb first */ - GLubyte mask = 128U >> (unpack->SkipPixels & 0x7); - for (col=0; col<width; col++) { - span.array->mask[col] = (*src & mask) ? GL_TRUE : GL_FALSE; - if (mask == 1U) { - src++; - mask = 128U; - } - else { - mask = mask >> 1; - } - } - - if (ctx->Visual.rgbMode) - _swrast_write_rgba_span(ctx, &span); - else - _swrast_write_index_span(ctx, &span); - - /* get ready for next row */ - if (mask != 128) - src++; - } - } - - RENDER_FINISH(swrast,ctx); -} -#endif |