diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915-tex/intel_pixel_copy.c')
-rw-r--r-- | src/mesa/drivers/dri/i915-tex/intel_pixel_copy.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/src/mesa/drivers/dri/i915-tex/intel_pixel_copy.c b/src/mesa/drivers/dri/i915-tex/intel_pixel_copy.c deleted file mode 100644 index 75cf4bdfe6d..00000000000 --- a/src/mesa/drivers/dri/i915-tex/intel_pixel_copy.c +++ /dev/null @@ -1,346 +0,0 @@ -/************************************************************************** - * - * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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, sub license, 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 (including the - * next paragraph) 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. - * - **************************************************************************/ - -#include "glheader.h" -#include "enums.h" -#include "image.h" -#include "mtypes.h" -#include "macros.h" -#include "swrast/swrast.h" - -#include "intel_screen.h" -#include "intel_context.h" -#include "intel_ioctl.h" -#include "intel_batchbuffer.h" -#include "intel_buffers.h" -#include "intel_blit.h" -#include "intel_regions.h" -#include "intel_tris.h" -#include "intel_pixel.h" -#include "intel_bufmgr.h" - - -static struct intel_region *copypix_src_region( struct intel_context *intel, - GLenum type ) -{ - switch (type) { - case GL_COLOR: - return intel_readbuf_region( intel ); - case GL_DEPTH: - /* Don't think this is really possible execpt at 16bpp, when we have no stencil. - */ - if (intel->depth_region && - intel->depth_region->cpp == 2) - return intel->depth_region; - case GL_STENCIL: - /* Don't think this is really possible. - */ - break; - case GL_DEPTH_STENCIL_EXT: - /* Does it matter whether it is stencil/depth or depth/stencil? - */ - return intel->depth_region; - default: - break; - } - - return NULL; -} - - -/* Doesn't work for overlapping regions. Could do a double copy or - * just fallback. - */ -static GLboolean do_texture_copypixels( GLcontext *ctx, - GLint srcx, GLint srcy, - GLsizei width, GLsizei height, - GLint dstx, GLint dsty, - GLenum type ) -{ - struct intel_context *intel = intel_context( ctx ); - struct intel_region *dst = intel_drawbuf_region( intel ); - struct intel_region *src = copypix_src_region(intel, type); - GLenum src_format; - GLenum src_type; - - if (INTEL_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - if (!src || !dst || type != GL_COLOR) - return GL_FALSE; - - /* Can't handle overlapping regions. Don't have sufficient control - * over rasterization to pull it off in-place. Punt on these for - * now. - * - * XXX: do a copy to a temporary. - */ - { - drm_clip_rect_t src; - drm_clip_rect_t dst; - drm_clip_rect_t tmp; - - src.x1 = srcx; - src.y1 = srcy; - src.x2 = srcx + width; - src.y2 = srcy + height; - - dst.x1 = dstx; - dst.y1 = dsty; - dst.x1 = dstx + width * ctx->Pixel.ZoomX; - dst.y2 = dsty + height * ctx->Pixel.ZoomY; - - - if (intel_intersect_cliprects(&tmp, &src, &dst)) { - _mesa_printf("%s: regions overlap\n", __FUNCTION__); - return GL_FALSE; - } - } - - intelFlush( &intel->ctx ); - - intel->vtbl.install_meta_state(intel); - - /* Is this true? Also will need to turn depth testing on according - * to state: - */ - intel->vtbl.meta_no_stencil_write(intel); - intel->vtbl.meta_no_depth_write(intel); - - /* Set the 3d engine to draw into the destination region: - */ - intel->vtbl.meta_draw_region(intel, dst, intel->depth_region); - - intel->vtbl.meta_import_pixel_state(intel); - - if (src->cpp == 2) { - src_format = GL_RGB; - src_type = GL_UNSIGNED_SHORT_5_6_5; - } - else { - src_format = GL_BGRA; - src_type = GL_UNSIGNED_BYTE; - } - - /* Set the frontbuffer up as a large rectangular texture. - */ - if (!intel->vtbl.meta_tex_rect_source( intel, src->buffer, 0, - src->pitch, - src->height, - src_format, - src_type )) { - intel->vtbl.leave_meta_state(intel); - return GL_FALSE; - } - - - intel->vtbl.meta_texture_blend_replace( intel ); - - - LOCK_HARDWARE( intel ); - - if (intel->driDrawable->numClipRects) - { - __DRIdrawablePrivate *dPriv = intel->driDrawable; - - - srcy = dPriv->h - srcy - height; /* convert from gl to hardware coords */ - - srcx += dPriv->x; - srcy += dPriv->y; - - /* Clip against the source region. This is the only source - * clipping we do. XXX: Just set the texcord wrap mode to clamp - * or similar. - * - */ - if (0) { - GLint orig_x = srcx; - GLint orig_y = srcy; - - if (!_mesa_clip_to_region(0, 0, src->pitch, src->height, - &srcx, &srcy, &width, &height)) - goto out; - - dstx += srcx - orig_x; - dsty += (srcy - orig_y) * ctx->Pixel.ZoomY; - } - - /* Just use the regular cliprect mechanism... Does this need to - * even hold the lock??? - */ - intel_meta_draw_quad(intel, - - dstx, - dstx + width * ctx->Pixel.ZoomX, - dPriv->h - (dsty + height * ctx->Pixel.ZoomY), - dPriv->h - (dsty), - - 0, /* XXX: what z value? */ - 0x00ff00ff, - srcx, srcx+width, - srcy, srcy+height); - - out: - intel->vtbl.leave_meta_state(intel); - intel_batchbuffer_flush(intel->batch); - } - UNLOCK_HARDWARE( intel ); - return GL_TRUE; -} - - - - - -/** - * CopyPixels with the blitter. Don't support zooming, pixel transfer, etc. - */ -static GLboolean do_blit_copypixels( GLcontext *ctx, - GLint srcx, GLint srcy, - GLsizei width, GLsizei height, - GLint dstx, GLint dsty, - GLenum type ) -{ - struct intel_context *intel = intel_context( ctx ); - struct intel_region *dst = intel_drawbuf_region( intel ); - struct intel_region *src = copypix_src_region( intel, type ); - - /* Copypixels can be more than a straight copy. Ensure all the - * extra operations are disabled: - */ - if (!intel_check_blit_fragment_ops(ctx) || - ctx->Pixel.ZoomX != 1.0F || - ctx->Pixel.ZoomY != 1.0F) - return GL_FALSE; - - if (!src || !dst) - return GL_FALSE; - - - - intelFlush( &intel->ctx ); - intel->vtbl.render_start(intel); - intel->vtbl.emit_state(intel); - - LOCK_HARDWARE( intel ); - - if (intel->driDrawable->numClipRects) - { - __DRIdrawablePrivate *dPriv = intel->driDrawable; - drm_clip_rect_t *box = dPriv->pClipRects; - drm_clip_rect_t dest_rect; - GLint nbox = dPriv->numClipRects; - GLint delta_x = 0; - GLint delta_y = 0; - GLuint i; - - - dsty = dPriv->h - dsty - height; /* convert from gl to hardware coords */ - srcy = dPriv->h - srcy - height; /* convert from gl to hardware coords */ - dstx += dPriv->x; - dsty += dPriv->y; - srcx += dPriv->x; - srcy += dPriv->y; - - /* Clip against the source region. This is the only source - * clipping we do. Dst is clipped with cliprects below. - * - * TODO: Scissor? - */ - { - delta_x = srcx - dstx; - delta_y = srcy - dsty; - - if (!_mesa_clip_to_region(0, 0, src->pitch, src->height, - &srcx, &srcy, &width, &height)) - goto out; - - dstx = srcx - delta_x; - dsty = srcy - delta_y; - } - - dest_rect.x1 = dstx; - dest_rect.y1 = dsty; - dest_rect.x2 = dstx + width; - dest_rect.y2 = dsty + height; - - /* Could do slightly more clipping: Eg, take the intersection of - * the existing set of cliprects and those cliprects translated - * by delta_x, delta_y: - * - * This code will not overwrite other windows, but will - * introduce garbage when copying from obscured window regions. - */ - for (i = 0 ; i < nbox ; i++ ) - { - drm_clip_rect_t rect; - - if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i])) - continue; - - - intelEmitCopyBlit( intel, - dst->cpp, - src->pitch, src->buffer, 0, - dst->pitch, dst->buffer, 0, - rect.x1 + delta_x, - rect.y1 + delta_y, /* srcx, srcy */ - rect.x1, - rect.y1, /* dstx, dsty */ - rect.x2 - rect.x1, - rect.y2 - rect.y1 ); - } - - out: - intel_batchbuffer_flush( intel->batch ); - } - UNLOCK_HARDWARE( intel ); - return GL_TRUE; -} - - -void intelCopyPixels( GLcontext *ctx, - GLint srcx, GLint srcy, - GLsizei width, GLsizei height, - GLint destx, GLint desty, - GLenum type ) -{ - if (INTEL_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - if (do_blit_copypixels( ctx, srcx, srcy, width, height, destx, desty, type)) - return; - - if (do_texture_copypixels( ctx, srcx, srcy, width, height, destx, desty, type)) - return; - - _mesa_printf("fallback to _swrast_CopyPixels\n"); - _swrast_CopyPixels( ctx, srcx, srcy, width, height, destx, desty, type); -} - - |