diff options
author | Eric Anholt <eric@anholt.net> | 2007-09-24 10:03:25 -0700 |
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committer | Eric Anholt <eric@anholt.net> | 2007-09-24 10:03:25 -0700 |
commit | 8cf9085bc7b96819d2bec1e749e15af58eefb2f3 (patch) | |
tree | 9a5f5ea7105198166afb5b5de8c6d75cb51d2c1e /src/mesa/drivers/dri/i915tex/intel_pixel_copy.c | |
parent | 8fba8d2018643444fc17c590f3e8732e1a76c6b8 (diff) |
Move i915tex driver into place as just i915.
Diffstat (limited to 'src/mesa/drivers/dri/i915tex/intel_pixel_copy.c')
-rw-r--r-- | src/mesa/drivers/dri/i915tex/intel_pixel_copy.c | 383 |
1 files changed, 0 insertions, 383 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c b/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c deleted file mode 100644 index 9d478283e4..0000000000 --- a/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c +++ /dev/null @@ -1,383 +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 "state.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" - -#define FILE_DEBUG_FLAG DEBUG_PIXEL - -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->intelScreen->depth_region && - intel->intelScreen->depth_region->cpp == 2) - return intel->intelScreen->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->intelScreen->depth_region; - default: - break; - } - - return NULL; -} - - -/** - * Check if any fragment operations are in effect which might effect - * glCopyPixels. Differs from intel_check_blit_fragment_ops in that - * we allow Scissor. - */ -static GLboolean -intel_check_copypixel_blit_fragment_ops(GLcontext * ctx) -{ - if (ctx->NewState) - _mesa_update_state(ctx); - - /* Could do logicop with the blitter: - */ - return !(ctx->_ImageTransferState || - ctx->Color.AlphaEnabled || - ctx->Depth.Test || - ctx->Fog.Enabled || - ctx->Stencil.Enabled || - !ctx->Color.ColorMask[0] || - !ctx->Color.ColorMask[1] || - !ctx->Color.ColorMask[2] || - !ctx->Color.ColorMask[3] || - ctx->Texture._EnabledUnits || - ctx->FragmentProgram._Enabled || - ctx->Color.BlendEnabled); -} - -/* 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; - - DBG("%s %d,%d %dx%d --> %d,%d\n", __FUNCTION__, - srcx, srcy, width, height, dstx, dsty); - - 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. - */ - if (src->buffer == dst->buffer) { - drm_clip_rect_t srcbox; - drm_clip_rect_t dstbox; - drm_clip_rect_t tmp; - - srcbox.x1 = srcx; - srcbox.y1 = srcy; - srcbox.x2 = srcx + width; - srcbox.y2 = srcy + height; - - dstbox.x1 = dstx; - dstbox.y1 = dsty; - dstbox.x2 = dstx + width * ctx->Pixel.ZoomX; - dstbox.y2 = dsty + height * ctx->Pixel.ZoomY; - - DBG("src %d,%d %d,%d\n", srcbox.x1, srcbox.y1, srcbox.x2, srcbox.y2); - DBG("dst %d,%d %d,%d (%dx%d) (%f,%f)\n", dstbox.x1, dstbox.y1, dstbox.x2, dstbox.y2, - width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); - - if (intel_intersect_cliprects(&tmp, &srcbox, &dstbox)) { - DBG("%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->intelScreen->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); - - DBG("%s: success\n", __FUNCTION__); - 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_copypixel_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); - - 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; - - /* Do scissoring in GL coordinates: - */ - if (ctx->Scissor.Enabled) - { - GLint x = ctx->Scissor.X; - GLint y = ctx->Scissor.Y; - GLuint w = ctx->Scissor.Width; - GLuint h = ctx->Scissor.Height; - GLint dx = dstx - srcx; - GLint dy = dsty - srcy; - - if (!_mesa_clip_to_region(x, y, x+w-1, y+h-1, &dstx, &dsty, &width, &height)) - goto out; - - srcx = dstx - dx; - srcy = dsty - dy; - } - - /* Convert from GL to hardware coordinates: - */ - dsty = dPriv->h - dsty - height; - srcy = dPriv->h - srcy - height; - 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. - */ - { - 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, - ctx->Color.ColorLogicOpEnabled ? - ctx->Color.LogicOp : GL_COPY); - } - - out: - intel_batchbuffer_flush(intel->batch); - } - UNLOCK_HARDWARE(intel); - - DBG("%s: success\n", __FUNCTION__); - 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; - - DBG("fallback to _swrast_CopyPixels\n"); - - _swrast_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type); -} |