129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
/*
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* Copyright © 2009 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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/** @file glamor_putaimge.c
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*
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* XPutImage implementation
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*/
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#include "glamor_priv.h"
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void
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glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
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int w, int h, int left_pad, int image_format, char *bits)
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{
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PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
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GLenum type, format;
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RegionPtr clip;
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BoxPtr pbox;
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int nbox;
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int bpp = drawable->bitsPerPixel;
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int src_stride = PixmapBytePad(w, drawable->depth);
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if (!glamor_set_destination_pixmap(pixmap)) {
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fbPutImage(drawable, gc, depth, x, y, w, h, left_pad,
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image_format, bits);
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return;
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}
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if (!glamor_set_planemask(pixmap, gc->planemask))
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goto fail;
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if (image_format != ZPixmap) {
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ErrorF("putimage: non-ZPixmap\n");
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goto fail;
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}
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if (bpp < 8) {
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ErrorF("putimage: bad bpp: %d\n", bpp);
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goto fail;
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}
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switch (drawable->depth) {
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case 8:
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format = GL_ALPHA;
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type = GL_UNSIGNED_BYTE;
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break;
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case 24:
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format = GL_RGB;
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type = GL_UNSIGNED_BYTE;
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break;
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case 32:
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format = GL_BGRA;
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type = GL_UNSIGNED_INT_8_8_8_8_REV;
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break;
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default:
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ErrorF("stub put_image depth %d\n", drawable->depth);
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goto fail;
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break;
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}
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glamor_set_alu(gc->alu);
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x += drawable->x;
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y += drawable->y;
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glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
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glPixelStorei(GL_UNPACK_ROW_LENGTH, src_stride / (bpp / 8));
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clip = fbGetCompositeClip(gc);
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for (nbox = REGION_NUM_RECTS(clip),
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pbox = REGION_RECTS(clip);
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nbox--;
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pbox++)
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{
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int x1 = x;
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int y1 = y;
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int x2 = x + w;
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int y2 = y + h;
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char *src;
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if (x1 < pbox->x1)
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x1 = pbox->x1;
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if (y1 < pbox->y1)
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y1 = pbox->y1;
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if (x2 > pbox->x2)
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x2 = pbox->x2;
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if (y2 > pbox->y2)
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y2 = pbox->y2;
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if (x1 >= x2 || y1 >= y2)
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continue;
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src = bits + (y1 - y) * src_stride + (x1 - x) * (bpp / 8);
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glRasterPos2i(x1 + pixmap->screen_x, y1 + pixmap->screen_y);
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glDrawPixels(x2 - x1,
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y2 - y1,
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format, type,
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src);
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}
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glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
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glamor_set_alu(GXcopy);
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glamor_set_planemask(pixmap, ~0);
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return;
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fail:
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glamor_set_planemask(pixmap, ~0);
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glamor_solid_fail_region(pixmap, x, y, w, h);
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}
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