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284 lines
8.1 KiB
284 lines
8.1 KiB
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Laxmikant Rashinkar 2014
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Routines to copy regions from framebuffer to shared memory
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* this should be before all X11 .h files */
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#include <xorg-server.h>
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/* all driver need this */
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#include <xf86.h>
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#include <xf86_OSproc.h>
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#include "rdp.h"
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#include "rdpDraw.h"
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#include "rdpClientCon.h"
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#include "rdpReg.h"
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#define LOG_LEVEL 1
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#define LLOGLN(_level, _args) \
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do { if (_level < LOG_LEVEL) { ErrorF _args ; ErrorF("\n"); } } while (0)
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/******************************************************************************/
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static Bool
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rdpCapture0(RegionPtr in_reg, RegionPtr out_reg,
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void *src, int src_width, int src_height,
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int src_stride, int src_format,
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void *dst, int dst_width, int dst_height,
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int dst_stride, int dst_format, int max_rects)
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{
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BoxPtr prects;
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BoxRec rect;
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RegionRec reg;
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char *src_rect;
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char *dst_rect;
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int num_regions;
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int bytespp;
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int src_bytespp;
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int dst_bytespp;
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int width;
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int height;
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int src_offset;
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int dst_offset;
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int bytes;
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int i;
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int j;
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int k;
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int red;
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int green;
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int blue;
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Bool rv;
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unsigned int *s32;
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unsigned short *d16;
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unsigned char *d8;
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LLOGLN(10, ("rdpCapture0:"));
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rv = TRUE;
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rect.x1 = 0;
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rect.y1 = 0;
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rect.x2 = min(dst_width, src_width);
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rect.y2 = min(dst_height, src_height);
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rdpRegionInit(®, &rect, 0);
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rdpRegionIntersect(®, in_reg, ®);
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num_regions = REGION_NUM_RECTS(®);
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if (num_regions > max_rects)
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{
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num_regions = 1;
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prects = rdpRegionExtents(®);
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rdpRegionUninit(out_reg);
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rdpRegionInit(out_reg, prects, 0);
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}
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else
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{
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prects = REGION_RECTS(®);
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rdpRegionCopy(out_reg, ®);
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}
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if ((src_format == XRDP_a8r8g8b8) && (dst_format == XRDP_a8r8g8b8))
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{
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bytespp = 4;
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for (i = 0; i < num_regions; i++)
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{
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/* get rect to copy */
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rect = prects[i];
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/* get rect dimensions */
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width = rect.x2 - rect.x1;
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height = rect.y2 - rect.y1;
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/* point to start of each rect in respective memory */
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src_offset = rect.y1 * src_stride + rect.x1 * bytespp;
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dst_offset = rect.y1 * dst_stride + rect.x1 * bytespp;
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src_rect = src + src_offset;
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dst_rect = dst + dst_offset;
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/* bytes per line */
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bytes = width * bytespp;
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/* copy one line at a time */
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for (j = 0; j < height; j++)
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{
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memcpy(dst_rect, src_rect, bytes);
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src_rect += src_stride;
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dst_rect += dst_stride;
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}
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}
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}
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else if ((src_format == XRDP_a8r8g8b8) && (dst_format == XRDP_r5g6b5))
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{
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src_bytespp = 4;
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dst_bytespp = 2;
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for (i = 0; i < num_regions; i++)
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{
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/* get rect to copy */
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rect = prects[i];
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/* get rect dimensions */
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width = rect.x2 - rect.x1;
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height = rect.y2 - rect.y1;
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/* point to start of each rect in respective memory */
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src_offset = rect.y1 * src_stride + rect.x1 * src_bytespp;
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dst_offset = rect.y1 * dst_stride + rect.x1 * dst_bytespp;
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src_rect = src + src_offset;
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dst_rect = dst + dst_offset;
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/* bytes per line */
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bytes = width * bytespp;
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/* copy one line at a time */
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for (j = 0; j < height; j++)
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{
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s32 = (unsigned int *) src_rect;
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d16 = (unsigned short *) dst_rect;
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for (k = 0; k < width; k++)
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{
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SPLITCOLOR32(red, green, blue, *s32);
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*d16 = COLOR16(red, green, blue);
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s32++;
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d16++;
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}
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src_rect += src_stride;
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dst_rect += dst_stride;
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}
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}
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}
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else if ((src_format == XRDP_a8r8g8b8) && (dst_format == XRDP_a1r5g5b5))
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{
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src_bytespp = 4;
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dst_bytespp = 2;
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for (i = 0; i < num_regions; i++)
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{
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/* get rect to copy */
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rect = prects[i];
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/* get rect dimensions */
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width = rect.x2 - rect.x1;
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height = rect.y2 - rect.y1;
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/* point to start of each rect in respective memory */
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src_offset = rect.y1 * src_stride + rect.x1 * src_bytespp;
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dst_offset = rect.y1 * dst_stride + rect.x1 * dst_bytespp;
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src_rect = src + src_offset;
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dst_rect = dst + dst_offset;
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/* bytes per line */
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bytes = width * bytespp;
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/* copy one line at a time */
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for (j = 0; j < height; j++)
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{
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s32 = (unsigned int *) src_rect;
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d16 = (unsigned short *) dst_rect;
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for (k = 0; k < width; k++)
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{
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SPLITCOLOR32(red, green, blue, *s32);
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*d16 = COLOR15(red, green, blue);
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s32++;
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d16++;
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}
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src_rect += src_stride;
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dst_rect += dst_stride;
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}
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}
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}
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else if ((src_format == XRDP_a8r8g8b8) && (dst_format == XRDP_r3g3b2))
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{
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src_bytespp = 4;
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dst_bytespp = 1;
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for (i = 0; i < num_regions; i++)
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{
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/* get rect to copy */
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rect = prects[i];
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/* get rect dimensions */
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width = rect.x2 - rect.x1;
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height = rect.y2 - rect.y1;
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/* point to start of each rect in respective memory */
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src_offset = rect.y1 * src_stride + rect.x1 * src_bytespp;
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dst_offset = rect.y1 * dst_stride + rect.x1 * dst_bytespp;
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src_rect = src + src_offset;
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dst_rect = dst + dst_offset;
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/* bytes per line */
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bytes = width * bytespp;
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/* copy one line at a time */
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for (j = 0; j < height; j++)
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{
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s32 = (unsigned int *) src_rect;
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d8 = (unsigned char *) dst_rect;
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for (k = 0; k < width; k++)
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{
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SPLITCOLOR32(red, green, blue, *s32);
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*d8 = COLOR8(red, green, blue);
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s32++;
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d8++;
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}
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src_rect += src_stride;
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dst_rect += dst_stride;
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}
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}
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}
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else
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{
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LLOGLN(0, ("rdpCapture0: unimp color conversion"));
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}
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rdpRegionUninit(®);
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return rv;
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}
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/**
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* Copy an array of rectangles from one memory area to another
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*****************************************************************************/
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Bool
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rdpCapture(RegionPtr in_reg, RegionPtr out_reg,
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void *src, int src_width, int src_height,
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int src_stride, int src_format,
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void *dst, int dst_width, int dst_height,
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int dst_stride, int dst_format, int mode)
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{
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LLOGLN(10, ("rdpCapture:"));
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switch (mode)
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{
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case 0:
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return rdpCapture0(in_reg, out_reg,
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src, src_width, src_height,
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src_stride, src_format,
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dst, dst_width, dst_height,
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dst_stride, dst_format, 15);
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default:
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LLOGLN(0, ("rdpCapture: unimp mode"));
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break;
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}
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return TRUE;
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}
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