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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.c282
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
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