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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.c346
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);
-}
-
-
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