diff options
Diffstat (limited to 'src/mesa')
| l---------[-rw-r--r--] | src/mesa/drivers/dri/i915/intel_pixel.c | 121 | ||||
| l---------[-rw-r--r--] | src/mesa/drivers/dri/i915/intel_pixel_copy.c | 383 | ||||
| l---------[-rw-r--r--] | src/mesa/drivers/dri/i915/intel_pixel_draw.c | 387 | ||||
| l---------[-rw-r--r--] | src/mesa/drivers/dri/i965/intel_pixel_bitmap.c | 358 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_pixel.c | 120 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_pixel.h (renamed from src/mesa/drivers/dri/i915/intel_pixel.h) | 0 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_pixel_bitmap.c | 357 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_pixel_copy.c | 382 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_pixel_draw.c | 386 |
9 files changed, 1249 insertions, 1245 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_pixel.c b/src/mesa/drivers/dri/i915/intel_pixel.c index 9018e3daef4..d733c5e8745 100644..120000 --- a/src/mesa/drivers/dri/i915/intel_pixel.c +++ b/src/mesa/drivers/dri/i915/intel_pixel.c @@ -1,120 +1 @@ -/************************************************************************** - * - * Copyright 2006 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 portionsalloc - * 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 "enums.h" -#include "state.h" -#include "swrast/swrast.h" - -#include "intel_context.h" -#include "intel_pixel.h" -#include "intel_regions.h" - - -/** - * Check if any fragment operations are in effect which might effect - * glDraw/CopyPixels. - */ -GLboolean -intel_check_blit_fragment_ops(GLcontext * ctx) -{ - if (ctx->NewState) - _mesa_update_state(ctx); - - /* XXX Note: Scissor could be done with the blitter: - */ - return !(ctx->_ImageTransferState || - ctx->Color.AlphaEnabled || - ctx->Depth.Test || - ctx->Fog.Enabled || - ctx->Scissor.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); -} - - -GLboolean -intel_check_meta_tex_fragment_ops(GLcontext * ctx) -{ - if (ctx->NewState) - _mesa_update_state(ctx); - - /* Some of _ImageTransferState (scale, bias) could be done with - * fragment programs on i915. - */ - return !(ctx->_ImageTransferState || ctx->Fog.Enabled || /* not done yet */ - ctx->Texture._EnabledUnits || ctx->FragmentProgram._Enabled); -} - -/* The intel_region struct doesn't really do enough to capture the - * format of the pixels in the region. For now this code assumes that - * the region is a display surface and hence is either ARGB8888 or - * RGB565. - * XXX FBO: If we'd pass in the intel_renderbuffer instead of region, we'd - * know the buffer's pixel format. - * - * \param format as given to glDraw/ReadPixels - * \param type as given to glDraw/ReadPixels - */ -GLboolean -intel_check_blit_format(struct intel_region * region, - GLenum format, GLenum type) -{ - if (region->cpp == 4 && - (type == GL_UNSIGNED_INT_8_8_8_8_REV || - type == GL_UNSIGNED_BYTE) && format == GL_BGRA) { - return GL_TRUE; - } - - if (region->cpp == 2 && - type == GL_UNSIGNED_SHORT_5_6_5_REV && format == GL_BGR) { - return GL_TRUE; - } - - if (INTEL_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s: bad format for blit (cpp %d, type %s format %s)\n", - __FUNCTION__, region->cpp, - _mesa_lookup_enum_by_nr(type), _mesa_lookup_enum_by_nr(format)); - - return GL_FALSE; -} - - -void -intelInitPixelFuncs(struct dd_function_table *functions) -{ - functions->Accum = _swrast_Accum; - functions->Bitmap = _swrast_Bitmap; - functions->CopyPixels = intelCopyPixels; - functions->ReadPixels = intelReadPixels; - functions->DrawPixels = intelDrawPixels; -} +../intel/intel_pixel.c
\ No newline at end of file diff --git a/src/mesa/drivers/dri/i915/intel_pixel_copy.c b/src/mesa/drivers/dri/i915/intel_pixel_copy.c index c453097e55e..ee433605904 100644..120000 --- a/src/mesa/drivers/dri/i915/intel_pixel_copy.c +++ b/src/mesa/drivers/dri/i915/intel_pixel_copy.c @@ -1,382 +1 @@ -/************************************************************************** - * - * 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->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; -} - - -/** - * 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->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->vtbl.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, src->tiled, - dst->pitch, dst->buffer, 0, dst->tiled, - 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); -} +../intel/intel_pixel_copy.c
\ No newline at end of file diff --git a/src/mesa/drivers/dri/i915/intel_pixel_draw.c b/src/mesa/drivers/dri/i915/intel_pixel_draw.c index 566f884be0c..8431a24edfc 100644..120000 --- a/src/mesa/drivers/dri/i915/intel_pixel_draw.c +++ b/src/mesa/drivers/dri/i915/intel_pixel_draw.c @@ -1,386 +1 @@ -/************************************************************************** - * - * Copyright 2006 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 portionsalloc - * 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 "bufferobj.h" -#include "swrast/swrast.h" - -#include "intel_screen.h" -#include "intel_context.h" -#include "intel_ioctl.h" -#include "intel_batchbuffer.h" -#include "intel_blit.h" -#include "intel_buffers.h" -#include "intel_regions.h" -#include "intel_pixel.h" -#include "intel_buffer_objects.h" -#include "intel_tris.h" - - - -static GLboolean -do_texture_drawpixels(GLcontext * ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid * pixels) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_region *dst = intel_drawbuf_region(intel); - struct intel_buffer_object *src = intel_buffer_object(unpack->BufferObj); - GLuint rowLength = unpack->RowLength ? unpack->RowLength : width; - GLuint src_offset; - - if (INTEL_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - intelFlush(&intel->ctx); - intel->vtbl.render_start(intel); - intel->vtbl.emit_state(intel); - - if (!dst) - return GL_FALSE; - - if (src) { - if (!_mesa_validate_pbo_access(2, unpack, width, height, 1, - format, type, pixels)) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels"); - return GL_TRUE; - } - } - else { - /* PBO only for now: - */ -/* _mesa_printf("%s - not PBO\n", __FUNCTION__); */ - return GL_FALSE; - } - - /* There are a couple of things we can't do yet, one of which is - * set the correct state for pixel operations when GL texturing is - * enabled. That's a pretty rare state and probably not worth the - * effort. A completely device-independent version of this may do - * more. - * - * Similarly, we make no attempt to merge metaops processing with - * an enabled fragment program, though it would certainly be - * possible. - */ - if (!intel_check_meta_tex_fragment_ops(ctx)) { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - bad GL fragment state for metaops texture\n", - __FUNCTION__); - return GL_FALSE; - } - - 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); - - src_offset = (GLuint) _mesa_image_address(2, unpack, pixels, width, height, - format, type, 0, 0, 0); - - - /* Setup the pbo up as a rectangular texture, if possible. - * - * TODO: This is almost always possible if the i915 fragment - * program is adjusted to correctly swizzle the sampled colors. - * The major exception is any 24bit texture, like RGB888, for which - * there is no hardware support. - */ - if (!intel->vtbl.meta_tex_rect_source(intel, src->buffer, src_offset, - rowLength, height, format, 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; - GLint srcx, srcy; - GLint dstx, dsty; - - dstx = x; - dsty = dPriv->h - (y + height); - - srcx = 0; /* skiprows/pixels already done */ - srcy = 0; - - if (0) { - const GLint orig_x = dstx; - const GLint orig_y = dsty; - - if (!_mesa_clip_to_region(0, 0, dst->pitch, dst->height, - &dstx, &dsty, &width, &height)) - goto out; - - srcx += dstx - orig_x; - srcy += dsty - orig_y; - } - - - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("draw %d,%d %dx%d\n", dstx, dsty, width, height); - - /* Must use the regular cliprect mechanism in order to get the - * drawing origin set correctly. Otherwise scissor state is in - * incorrect coordinate space. Does this even need to hold the - * lock??? - */ - intel->vtbl.meta_draw_quad(intel, - dstx, dstx + width * ctx->Pixel.ZoomX, - dPriv->h - (y + height * ctx->Pixel.ZoomY), - dPriv->h - (y), - -ctx->Current.RasterPos[2] * .5, - 0x00ff00ff, - srcx, srcx + width, srcy + height, srcy); - out: - intel->vtbl.leave_meta_state(intel); - intel_batchbuffer_flush(intel->batch); - } - UNLOCK_HARDWARE(intel); - return GL_TRUE; -} - - - - - -/* Pros: - * - no waiting for idle before updating framebuffer. - * - * Cons: - * - if upload is by memcpy, this may actually be slower than fallback path. - * - uploads the whole image even if destination is clipped - * - * Need to benchmark. - * - * Given the questions about performance, implement for pbo's only. - * This path is definitely a win if the pbo is already in agp. If it - * turns out otherwise, we can add the code necessary to upload client - * data to agp space before performing the blit. (Though it may turn - * out to be better/simpler just to use the texture engine). - */ -static GLboolean -do_blit_drawpixels(GLcontext * ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid * pixels) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_region *dest = intel_drawbuf_region(intel); - struct intel_buffer_object *src = intel_buffer_object(unpack->BufferObj); - GLuint src_offset; - GLuint rowLength; - dri_fence *fence = NULL; - - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s\n", __FUNCTION__); - - - if (!dest) { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - no dest\n", __FUNCTION__); - return GL_FALSE; - } - - if (src) { - /* This validation should be done by core mesa: - */ - if (!_mesa_validate_pbo_access(2, unpack, width, height, 1, - format, type, pixels)) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels"); - return GL_TRUE; - } - } - else { - /* PBO only for now: - */ - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - not PBO\n", __FUNCTION__); - return GL_FALSE; - } - - if (!intel_check_blit_format(dest, format, type)) { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - bad format for blit\n", __FUNCTION__); - return GL_FALSE; - } - - if (!intel_check_blit_fragment_ops(ctx)) { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - bad GL fragment state for blitter\n", - __FUNCTION__); - return GL_FALSE; - } - - if (ctx->Pixel.ZoomX != 1.0F) { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - bad PixelZoomX for blit\n", __FUNCTION__); - return GL_FALSE; - } - - - if (unpack->RowLength > 0) - rowLength = unpack->RowLength; - else - rowLength = width; - - if (ctx->Pixel.ZoomY == -1.0F) { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - bad PixelZoomY for blit\n", __FUNCTION__); - return GL_FALSE; /* later */ - y -= height; - } - else if (ctx->Pixel.ZoomY == 1.0F) { - rowLength = -rowLength; - } - else { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - bad PixelZoomY for blit\n", __FUNCTION__); - return GL_FALSE; - } - - src_offset = (GLuint) _mesa_image_address(2, unpack, pixels, width, height, - format, type, 0, 0, 0); - - intelFlush(&intel->ctx); - LOCK_HARDWARE(intel); - - if (intel->driDrawable->numClipRects) { - __DRIdrawablePrivate *dPriv = intel->driDrawable; - int nbox = dPriv->numClipRects; - drm_clip_rect_t *box = dPriv->pClipRects; - drm_clip_rect_t rect; - drm_clip_rect_t dest_rect; - dri_bo *src_buffer = intel_bufferobj_buffer(intel, src, INTEL_READ); - int i; - - dest_rect.x1 = dPriv->x + x; - dest_rect.y1 = dPriv->y + dPriv->h - (y + height); - dest_rect.x2 = dest_rect.x1 + width; - dest_rect.y2 = dest_rect.y1 + height; - - for (i = 0; i < nbox; i++) { - if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i])) - continue; - - intelEmitCopyBlit(intel, - dest->cpp, - rowLength, src_buffer, src_offset, GL_FALSE, - dest->pitch, dest->buffer, 0, dest->tiled, - rect.x1 - dest_rect.x1, - rect.y2 - dest_rect.y2, - rect.x1, - rect.y1, rect.x2 - rect.x1, rect.y2 - rect.y1, - ctx->Color.ColorLogicOpEnabled ? - ctx->Color.LogicOp : GL_COPY); - } - intel_batchbuffer_flush(intel->batch); - fence = intel->batch->last_fence; - dri_fence_reference(fence); - } - UNLOCK_HARDWARE(intel); - - if (fence) { - dri_fence_wait(fence); - dri_fence_unreference(fence); - } - - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - DONE\n", __FUNCTION__); - - return GL_TRUE; -} - - - -void -intelDrawPixels(GLcontext * ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, - GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid * pixels) -{ - if (do_blit_drawpixels(ctx, x, y, width, height, format, type, - unpack, pixels)) - return; - - if (do_texture_drawpixels(ctx, x, y, width, height, format, type, - unpack, pixels)) - return; - - - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s: fallback to swrast\n", __FUNCTION__); - - if (ctx->FragmentProgram._Current == ctx->FragmentProgram._TexEnvProgram) { - /* - * We don't want the i915 texenv program to be applied to DrawPixels. - * This is really just a performance optimization (mesa will other- - * wise happily run the fragment program on each pixel in the image). - */ - struct gl_fragment_program *fpSave = ctx->FragmentProgram._Current; - /* can't just set current frag prog to 0 here as on buffer resize - we'll get new state checks which will segfault. Remains a hack. */ - ctx->FragmentProgram._Current = NULL; - ctx->FragmentProgram._UseTexEnvProgram = GL_FALSE; - ctx->FragmentProgram._Active = GL_FALSE; - _swrast_DrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels ); - ctx->FragmentProgram._Current = fpSave; - ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE; - ctx->FragmentProgram._Active = GL_TRUE; - } - else { - _swrast_DrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels ); - } -} +../intel/intel_pixel_draw.c
\ No newline at end of file diff --git a/src/mesa/drivers/dri/i965/intel_pixel_bitmap.c b/src/mesa/drivers/dri/i965/intel_pixel_bitmap.c index 3777422619b..9085c7b0397 100644..120000 --- a/src/mesa/drivers/dri/i965/intel_pixel_bitmap.c +++ b/src/mesa/drivers/dri/i965/intel_pixel_bitmap.c @@ -1,357 +1 @@ -/************************************************************************** - * - * Copyright 2006 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 portionsalloc - * 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 "colormac.h" -#include "mtypes.h" -#include "macros.h" -#include "bufferobj.h" -#include "swrast/swrast.h" - -#include "intel_screen.h" -#include "intel_context.h" -#include "intel_ioctl.h" -#include "intel_batchbuffer.h" -#include "intel_blit.h" -#include "intel_regions.h" -#include "intel_buffer_objects.h" - - - -#define FILE_DEBUG_FLAG DEBUG_PIXEL - - -/* Unlike the other intel_pixel_* functions, the expectation here is - * that the incoming data is not in a PBO. With the XY_TEXT blit - * method, there's no benefit haveing it in a PBO, but we could - * implement a path based on XY_MONO_SRC_COPY_BLIT which might benefit - * PBO bitmaps. I think they are probably pretty rare though - I - * wonder if Xgl uses them? - */ -static const GLubyte *map_pbo( GLcontext *ctx, - GLsizei width, GLsizei height, - const struct gl_pixelstore_attrib *unpack, - const GLubyte *bitmap ) -{ - GLubyte *buf; - - if (!_mesa_validate_pbo_access(2, unpack, width, height, 1, - GL_COLOR_INDEX, GL_BITMAP, - (GLvoid *) bitmap)) { - _mesa_error(ctx, GL_INVALID_OPERATION,"glBitmap(invalid PBO access)"); - return NULL; - } - - buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - GL_READ_ONLY_ARB, - unpack->BufferObj); - if (!buf) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glBitmap(PBO is mapped)"); - return NULL; - } - - return ADD_POINTERS(buf, bitmap); -} - -static GLboolean test_bit( const GLubyte *src, - GLuint bit ) -{ - return (src[bit/8] & (1<<(bit % 8))) ? 1 : 0; -} - -static void set_bit( GLubyte *dest, - GLuint bit ) -{ - dest[bit/8] |= 1 << (bit % 8); -} - -/* Extract a rectangle's worth of data from the bitmap. Called - * per-cliprect. - */ -static GLuint get_bitmap_rect(GLsizei width, GLsizei height, - const struct gl_pixelstore_attrib *unpack, - const GLubyte *bitmap, - GLuint x, GLuint y, - GLuint w, GLuint h, - GLubyte *dest, - GLuint row_align, - GLboolean invert) -{ - GLuint src_offset = (x + unpack->SkipPixels) & 0x7; - GLuint mask = unpack->LsbFirst ? 0 : 7; - GLuint bit = 0; - GLint row, col; - GLint first, last; - GLint incr; - GLuint count = 0; - - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s %d,%d %dx%d bitmap %dx%d skip %d src_offset %d mask %d\n", - __FUNCTION__, x,y,w,h,width,height,unpack->SkipPixels, src_offset, mask); - - if (invert) { - first = h-1; - last = 0; - incr = -1; - } - else { - first = 0; - last = h-1; - incr = 1; - } - - /* Require that dest be pre-zero'd. - */ - for (row = first; row != (last+incr); row += incr) { - const GLubyte *rowsrc = _mesa_image_address2d(unpack, bitmap, - width, height, - GL_COLOR_INDEX, GL_BITMAP, - y + row, x); - - for (col = 0; col < w; col++, bit++) { - if (test_bit(rowsrc, (col + src_offset) ^ mask)) { - set_bit(dest, bit ^ 7); - count++; - } - } - - if (row_align) - bit = ALIGN(bit, row_align); - } - - return count; -} - - - - -/* - * Render a bitmap. - */ -static GLboolean -do_blit_bitmap( GLcontext *ctx, - GLint dstx, GLint dsty, - GLsizei width, GLsizei height, - const struct gl_pixelstore_attrib *unpack, - const GLubyte *bitmap ) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_region *dst = intel_drawbuf_region(intel); - GLfloat tmpColor[4]; - - union { - GLuint ui; - GLubyte ub[4]; - } color; - - if (!dst) - return GL_FALSE; - - if (unpack->BufferObj->Name) { - bitmap = map_pbo(ctx, width, height, unpack, bitmap); - if (bitmap == NULL) - return GL_TRUE; /* even though this is an error, we're done */ - } - - COPY_4V(tmpColor, ctx->Current.RasterColor); - - if (NEED_SECONDARY_COLOR(ctx)) { - ADD_3V(tmpColor, tmpColor, ctx->Current.RasterSecondaryColor); - } - - UNCLAMPED_FLOAT_TO_CHAN(color.ub[0], tmpColor[2]); - UNCLAMPED_FLOAT_TO_CHAN(color.ub[1], tmpColor[1]); - UNCLAMPED_FLOAT_TO_CHAN(color.ub[2], tmpColor[0]); - UNCLAMPED_FLOAT_TO_CHAN(color.ub[3], tmpColor[3]); - - /* Does zoom apply to bitmaps? - */ - if (!intel_check_blit_fragment_ops(ctx) || - ctx->Pixel.ZoomX != 1.0F || - ctx->Pixel.ZoomY != 1.0F) - return GL_FALSE; - - 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 srcx = 0, srcy = 0; - GLint orig_screen_x1, orig_screen_y2; - GLuint i; - - - orig_screen_x1 = dPriv->x + dstx; - orig_screen_y2 = dPriv->y + (dPriv->h - dsty); - - /* 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; - - if (!_mesa_clip_to_region(x, y, x+w-1, y+h-1, &dstx, &dsty, &width, &height)) - goto out; - } - - /* Convert from GL to hardware coordinates: - */ - dsty = dPriv->y + (dPriv->h - dsty - height); - dstx = dPriv->x + dstx; - - dest_rect.x1 = dstx < 0 ? 0 : dstx; - dest_rect.y1 = dsty < 0 ? 0 : dsty; - dest_rect.x2 = dstx + width < 0 ? 0 : dstx + width; - dest_rect.y2 = dsty + height < 0 ? 0 : dsty + height; - - for (i = 0; i < nbox; i++) { - drm_clip_rect_t rect; - int box_w, box_h; - GLint px, py; - GLuint stipple[32]; - - if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i])) - continue; - - /* Now go back to GL coordinates to figure out what subset of - * the bitmap we are uploading for this cliprect: - */ - box_w = rect.x2 - rect.x1; - box_h = rect.y2 - rect.y1; - srcx = rect.x1 - orig_screen_x1; - srcy = orig_screen_y2 - rect.y2; - - -#define DY 32 -#define DX 32 - - /* Then, finally, chop it all into chunks that can be - * digested by hardware: - */ - for (py = 0; py < box_h; py += DY) { - for (px = 0; px < box_w; px += DX) { - int h = MIN2(DY, box_h - py); - int w = MIN2(DX, box_w - px); - GLuint sz = ALIGN(ALIGN(w,8) * h, 64)/8; - GLenum logic_op = ctx->Color.ColorLogicOpEnabled ? - ctx->Color.LogicOp : GL_COPY; - - assert(sz <= sizeof(stipple)); - memset(stipple, 0, sz); - - /* May need to adjust this when padding has been introduced in - * sz above: - */ - if (get_bitmap_rect(width, height, unpack, - bitmap, - srcx + px, srcy + py, w, h, - (GLubyte *)stipple, - 8, - GL_TRUE) == 0) - continue; - - /* - */ - intelEmitImmediateColorExpandBlit( intel, - dst->cpp, - (GLubyte *)stipple, - sz, - color.ui, - dst->pitch, - dst->buffer, - 0, - dst->tiled, - rect.x1 + px, - rect.y2 - (py + h), - w, h, - logic_op); - } - } - } - intel->need_flush = GL_TRUE; - out: - intel_batchbuffer_flush(intel->batch); - } - UNLOCK_HARDWARE(intel); - - - if (unpack->BufferObj->Name) { - /* done with PBO so unmap it now */ - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - unpack->BufferObj); - } - - return GL_TRUE; -} - - - - - -/* There are a large number of possible ways to implement bitmap on - * this hardware, most of them have some sort of drawback. Here are a - * few that spring to mind: - * - * Blit: - * - XY_MONO_SRC_BLT_CMD - * - use XY_SETUP_CLIP_BLT for cliprect clipping. - * - XY_TEXT_BLT - * - XY_TEXT_IMMEDIATE_BLT - * - blit per cliprect, subject to maximum immediate data size. - * - XY_COLOR_BLT - * - per pixel or run of pixels - * - XY_PIXEL_BLT - * - good for sparse bitmaps - * - * 3D engine: - * - Point per pixel - * - Translate bitmap to an alpha texture and render as a quad - * - Chop bitmap up into 32x32 squares and render w/polygon stipple. - */ -void -intelBitmap(GLcontext * ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - const struct gl_pixelstore_attrib *unpack, - const GLubyte * pixels) -{ - if (do_blit_bitmap(ctx, x, y, width, height, - unpack, pixels)) - return; - - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s: fallback to swrast\n", __FUNCTION__); - - _swrast_Bitmap(ctx, x, y, width, height, unpack, pixels); -} +../intel/intel_pixel_bitmap.c
\ No newline at end of file diff --git a/src/mesa/drivers/dri/intel/intel_pixel.c b/src/mesa/drivers/dri/intel/intel_pixel.c new file mode 100644 index 00000000000..9018e3daef4 --- /dev/null +++ b/src/mesa/drivers/dri/intel/intel_pixel.c @@ -0,0 +1,120 @@ +/************************************************************************** + * + * Copyright 2006 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 portionsalloc + * 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 "enums.h" +#include "state.h" +#include "swrast/swrast.h" + +#include "intel_context.h" +#include "intel_pixel.h" +#include "intel_regions.h" + + +/** + * Check if any fragment operations are in effect which might effect + * glDraw/CopyPixels. + */ +GLboolean +intel_check_blit_fragment_ops(GLcontext * ctx) +{ + if (ctx->NewState) + _mesa_update_state(ctx); + + /* XXX Note: Scissor could be done with the blitter: + */ + return !(ctx->_ImageTransferState || + ctx->Color.AlphaEnabled || + ctx->Depth.Test || + ctx->Fog.Enabled || + ctx->Scissor.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); +} + + +GLboolean +intel_check_meta_tex_fragment_ops(GLcontext * ctx) +{ + if (ctx->NewState) + _mesa_update_state(ctx); + + /* Some of _ImageTransferState (scale, bias) could be done with + * fragment programs on i915. + */ + return !(ctx->_ImageTransferState || ctx->Fog.Enabled || /* not done yet */ + ctx->Texture._EnabledUnits || ctx->FragmentProgram._Enabled); +} + +/* The intel_region struct doesn't really do enough to capture the + * format of the pixels in the region. For now this code assumes that + * the region is a display surface and hence is either ARGB8888 or + * RGB565. + * XXX FBO: If we'd pass in the intel_renderbuffer instead of region, we'd + * know the buffer's pixel format. + * + * \param format as given to glDraw/ReadPixels + * \param type as given to glDraw/ReadPixels + */ +GLboolean +intel_check_blit_format(struct intel_region * region, + GLenum format, GLenum type) +{ + if (region->cpp == 4 && + (type == GL_UNSIGNED_INT_8_8_8_8_REV || + type == GL_UNSIGNED_BYTE) && format == GL_BGRA) { + return GL_TRUE; + } + + if (region->cpp == 2 && + type == GL_UNSIGNED_SHORT_5_6_5_REV && format == GL_BGR) { + return GL_TRUE; + } + + if (INTEL_DEBUG & DEBUG_PIXEL) + fprintf(stderr, "%s: bad format for blit (cpp %d, type %s format %s)\n", + __FUNCTION__, region->cpp, + _mesa_lookup_enum_by_nr(type), _mesa_lookup_enum_by_nr(format)); + + return GL_FALSE; +} + + +void +intelInitPixelFuncs(struct dd_function_table *functions) +{ + functions->Accum = _swrast_Accum; + functions->Bitmap = _swrast_Bitmap; + functions->CopyPixels = intelCopyPixels; + functions->ReadPixels = intelReadPixels; + functions->DrawPixels = intelDrawPixels; +} diff --git a/src/mesa/drivers/dri/i915/intel_pixel.h b/src/mesa/drivers/dri/intel/intel_pixel.h index a6fcf90ce03..a6fcf90ce03 100644 --- a/src/mesa/drivers/dri/i915/intel_pixel.h +++ b/src/mesa/drivers/dri/intel/intel_pixel.h diff --git a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c new file mode 100644 index 00000000000..3777422619b --- /dev/null +++ b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c @@ -0,0 +1,357 @@ +/************************************************************************** + * + * Copyright 2006 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 portionsalloc + * 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 "colormac.h" +#include "mtypes.h" +#include "macros.h" +#include "bufferobj.h" +#include "swrast/swrast.h" + +#include "intel_screen.h" +#include "intel_context.h" +#include "intel_ioctl.h" +#include "intel_batchbuffer.h" +#include "intel_blit.h" +#include "intel_regions.h" +#include "intel_buffer_objects.h" + + + +#define FILE_DEBUG_FLAG DEBUG_PIXEL + + +/* Unlike the other intel_pixel_* functions, the expectation here is + * that the incoming data is not in a PBO. With the XY_TEXT blit + * method, there's no benefit haveing it in a PBO, but we could + * implement a path based on XY_MONO_SRC_COPY_BLIT which might benefit + * PBO bitmaps. I think they are probably pretty rare though - I + * wonder if Xgl uses them? + */ +static const GLubyte *map_pbo( GLcontext *ctx, + GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte *bitmap ) +{ + GLubyte *buf; + + if (!_mesa_validate_pbo_access(2, unpack, width, height, 1, + GL_COLOR_INDEX, GL_BITMAP, + (GLvoid *) bitmap)) { + _mesa_error(ctx, GL_INVALID_OPERATION,"glBitmap(invalid PBO access)"); + return NULL; + } + + buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, + GL_READ_ONLY_ARB, + unpack->BufferObj); + if (!buf) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBitmap(PBO is mapped)"); + return NULL; + } + + return ADD_POINTERS(buf, bitmap); +} + +static GLboolean test_bit( const GLubyte *src, + GLuint bit ) +{ + return (src[bit/8] & (1<<(bit % 8))) ? 1 : 0; +} + +static void set_bit( GLubyte *dest, + GLuint bit ) +{ + dest[bit/8] |= 1 << (bit % 8); +} + +/* Extract a rectangle's worth of data from the bitmap. Called + * per-cliprect. + */ +static GLuint get_bitmap_rect(GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte *bitmap, + GLuint x, GLuint y, + GLuint w, GLuint h, + GLubyte *dest, + GLuint row_align, + GLboolean invert) +{ + GLuint src_offset = (x + unpack->SkipPixels) & 0x7; + GLuint mask = unpack->LsbFirst ? 0 : 7; + GLuint bit = 0; + GLint row, col; + GLint first, last; + GLint incr; + GLuint count = 0; + + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s %d,%d %dx%d bitmap %dx%d skip %d src_offset %d mask %d\n", + __FUNCTION__, x,y,w,h,width,height,unpack->SkipPixels, src_offset, mask); + + if (invert) { + first = h-1; + last = 0; + incr = -1; + } + else { + first = 0; + last = h-1; + incr = 1; + } + + /* Require that dest be pre-zero'd. + */ + for (row = first; row != (last+incr); row += incr) { + const GLubyte *rowsrc = _mesa_image_address2d(unpack, bitmap, + width, height, + GL_COLOR_INDEX, GL_BITMAP, + y + row, x); + + for (col = 0; col < w; col++, bit++) { + if (test_bit(rowsrc, (col + src_offset) ^ mask)) { + set_bit(dest, bit ^ 7); + count++; + } + } + + if (row_align) + bit = ALIGN(bit, row_align); + } + + return count; +} + + + + +/* + * Render a bitmap. + */ +static GLboolean +do_blit_bitmap( GLcontext *ctx, + GLint dstx, GLint dsty, + GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte *bitmap ) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_region *dst = intel_drawbuf_region(intel); + GLfloat tmpColor[4]; + + union { + GLuint ui; + GLubyte ub[4]; + } color; + + if (!dst) + return GL_FALSE; + + if (unpack->BufferObj->Name) { + bitmap = map_pbo(ctx, width, height, unpack, bitmap); + if (bitmap == NULL) + return GL_TRUE; /* even though this is an error, we're done */ + } + + COPY_4V(tmpColor, ctx->Current.RasterColor); + + if (NEED_SECONDARY_COLOR(ctx)) { + ADD_3V(tmpColor, tmpColor, ctx->Current.RasterSecondaryColor); + } + + UNCLAMPED_FLOAT_TO_CHAN(color.ub[0], tmpColor[2]); + UNCLAMPED_FLOAT_TO_CHAN(color.ub[1], tmpColor[1]); + UNCLAMPED_FLOAT_TO_CHAN(color.ub[2], tmpColor[0]); + UNCLAMPED_FLOAT_TO_CHAN(color.ub[3], tmpColor[3]); + + /* Does zoom apply to bitmaps? + */ + if (!intel_check_blit_fragment_ops(ctx) || + ctx->Pixel.ZoomX != 1.0F || + ctx->Pixel.ZoomY != 1.0F) + return GL_FALSE; + + 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 srcx = 0, srcy = 0; + GLint orig_screen_x1, orig_screen_y2; + GLuint i; + + + orig_screen_x1 = dPriv->x + dstx; + orig_screen_y2 = dPriv->y + (dPriv->h - dsty); + + /* 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; + + if (!_mesa_clip_to_region(x, y, x+w-1, y+h-1, &dstx, &dsty, &width, &height)) + goto out; + } + + /* Convert from GL to hardware coordinates: + */ + dsty = dPriv->y + (dPriv->h - dsty - height); + dstx = dPriv->x + dstx; + + dest_rect.x1 = dstx < 0 ? 0 : dstx; + dest_rect.y1 = dsty < 0 ? 0 : dsty; + dest_rect.x2 = dstx + width < 0 ? 0 : dstx + width; + dest_rect.y2 = dsty + height < 0 ? 0 : dsty + height; + + for (i = 0; i < nbox; i++) { + drm_clip_rect_t rect; + int box_w, box_h; + GLint px, py; + GLuint stipple[32]; + + if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i])) + continue; + + /* Now go back to GL coordinates to figure out what subset of + * the bitmap we are uploading for this cliprect: + */ + box_w = rect.x2 - rect.x1; + box_h = rect.y2 - rect.y1; + srcx = rect.x1 - orig_screen_x1; + srcy = orig_screen_y2 - rect.y2; + + +#define DY 32 +#define DX 32 + + /* Then, finally, chop it all into chunks that can be + * digested by hardware: + */ + for (py = 0; py < box_h; py += DY) { + for (px = 0; px < box_w; px += DX) { + int h = MIN2(DY, box_h - py); + int w = MIN2(DX, box_w - px); + GLuint sz = ALIGN(ALIGN(w,8) * h, 64)/8; + GLenum logic_op = ctx->Color.ColorLogicOpEnabled ? + ctx->Color.LogicOp : GL_COPY; + + assert(sz <= sizeof(stipple)); + memset(stipple, 0, sz); + + /* May need to adjust this when padding has been introduced in + * sz above: + */ + if (get_bitmap_rect(width, height, unpack, + bitmap, + srcx + px, srcy + py, w, h, + (GLubyte *)stipple, + 8, + GL_TRUE) == 0) + continue; + + /* + */ + intelEmitImmediateColorExpandBlit( intel, + dst->cpp, + (GLubyte *)stipple, + sz, + color.ui, + dst->pitch, + dst->buffer, + 0, + dst->tiled, + rect.x1 + px, + rect.y2 - (py + h), + w, h, + logic_op); + } + } + } + intel->need_flush = GL_TRUE; + out: + intel_batchbuffer_flush(intel->batch); + } + UNLOCK_HARDWARE(intel); + + + if (unpack->BufferObj->Name) { + /* done with PBO so unmap it now */ + ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, + unpack->BufferObj); + } + + return GL_TRUE; +} + + + + + +/* There are a large number of possible ways to implement bitmap on + * this hardware, most of them have some sort of drawback. Here are a + * few that spring to mind: + * + * Blit: + * - XY_MONO_SRC_BLT_CMD + * - use XY_SETUP_CLIP_BLT for cliprect clipping. + * - XY_TEXT_BLT + * - XY_TEXT_IMMEDIATE_BLT + * - blit per cliprect, subject to maximum immediate data size. + * - XY_COLOR_BLT + * - per pixel or run of pixels + * - XY_PIXEL_BLT + * - good for sparse bitmaps + * + * 3D engine: + * - Point per pixel + * - Translate bitmap to an alpha texture and render as a quad + * - Chop bitmap up into 32x32 squares and render w/polygon stipple. + */ +void +intelBitmap(GLcontext * ctx, + GLint x, GLint y, + GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte * pixels) +{ + if (do_blit_bitmap(ctx, x, y, width, height, + unpack, pixels)) + return; + + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s: fallback to swrast\n", __FUNCTION__); + + _swrast_Bitmap(ctx, x, y, width, height, unpack, pixels); +} diff --git a/src/mesa/drivers/dri/intel/intel_pixel_copy.c b/src/mesa/drivers/dri/intel/intel_pixel_copy.c new file mode 100644 index 00000000000..c453097e55e --- /dev/null +++ b/src/mesa/drivers/dri/intel/intel_pixel_copy.c @@ -0,0 +1,382 @@ +/************************************************************************** + * + * 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->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; +} + + +/** + * 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->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->vtbl.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, src->tiled, + dst->pitch, dst->buffer, 0, dst->tiled, + 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); +} diff --git a/src/mesa/drivers/dri/intel/intel_pixel_draw.c b/src/mesa/drivers/dri/intel/intel_pixel_draw.c new file mode 100644 index 00000000000..566f884be0c --- /dev/null +++ b/src/mesa/drivers/dri/intel/intel_pixel_draw.c @@ -0,0 +1,386 @@ +/************************************************************************** + * + * Copyright 2006 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 portionsalloc + * 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 "bufferobj.h" +#include "swrast/swrast.h" + +#include "intel_screen.h" +#include "intel_context.h" +#include "intel_ioctl.h" +#include "intel_batchbuffer.h" +#include "intel_blit.h" +#include "intel_buffers.h" +#include "intel_regions.h" +#include "intel_pixel.h" +#include "intel_buffer_objects.h" +#include "intel_tris.h" + + + +static GLboolean +do_texture_drawpixels(GLcontext * ctx, + GLint x, GLint y, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid * pixels) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_region *dst = intel_drawbuf_region(intel); + struct intel_buffer_object *src = intel_buffer_object(unpack->BufferObj); + GLuint rowLength = unpack->RowLength ? unpack->RowLength : width; + GLuint src_offset; + + if (INTEL_DEBUG & DEBUG_PIXEL) + fprintf(stderr, "%s\n", __FUNCTION__); + + intelFlush(&intel->ctx); + intel->vtbl.render_start(intel); + intel->vtbl.emit_state(intel); + + if (!dst) + return GL_FALSE; + + if (src) { + if (!_mesa_validate_pbo_access(2, unpack, width, height, 1, + format, type, pixels)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels"); + return GL_TRUE; + } + } + else { + /* PBO only for now: + */ +/* _mesa_printf("%s - not PBO\n", __FUNCTION__); */ + return GL_FALSE; + } + + /* There are a couple of things we can't do yet, one of which is + * set the correct state for pixel operations when GL texturing is + * enabled. That's a pretty rare state and probably not worth the + * effort. A completely device-independent version of this may do + * more. + * + * Similarly, we make no attempt to merge metaops processing with + * an enabled fragment program, though it would certainly be + * possible. + */ + if (!intel_check_meta_tex_fragment_ops(ctx)) { + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s - bad GL fragment state for metaops texture\n", + __FUNCTION__); + return GL_FALSE; + } + + 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); + + src_offset = (GLuint) _mesa_image_address(2, unpack, pixels, width, height, + format, type, 0, 0, 0); + + + /* Setup the pbo up as a rectangular texture, if possible. + * + * TODO: This is almost always possible if the i915 fragment + * program is adjusted to correctly swizzle the sampled colors. + * The major exception is any 24bit texture, like RGB888, for which + * there is no hardware support. + */ + if (!intel->vtbl.meta_tex_rect_source(intel, src->buffer, src_offset, + rowLength, height, format, 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; + GLint srcx, srcy; + GLint dstx, dsty; + + dstx = x; + dsty = dPriv->h - (y + height); + + srcx = 0; /* skiprows/pixels already done */ + srcy = 0; + + if (0) { + const GLint orig_x = dstx; + const GLint orig_y = dsty; + + if (!_mesa_clip_to_region(0, 0, dst->pitch, dst->height, + &dstx, &dsty, &width, &height)) + goto out; + + srcx += dstx - orig_x; + srcy += dsty - orig_y; + } + + + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("draw %d,%d %dx%d\n", dstx, dsty, width, height); + + /* Must use the regular cliprect mechanism in order to get the + * drawing origin set correctly. Otherwise scissor state is in + * incorrect coordinate space. Does this even need to hold the + * lock??? + */ + intel->vtbl.meta_draw_quad(intel, + dstx, dstx + width * ctx->Pixel.ZoomX, + dPriv->h - (y + height * ctx->Pixel.ZoomY), + dPriv->h - (y), + -ctx->Current.RasterPos[2] * .5, + 0x00ff00ff, + srcx, srcx + width, srcy + height, srcy); + out: + intel->vtbl.leave_meta_state(intel); + intel_batchbuffer_flush(intel->batch); + } + UNLOCK_HARDWARE(intel); + return GL_TRUE; +} + + + + + +/* Pros: + * - no waiting for idle before updating framebuffer. + * + * Cons: + * - if upload is by memcpy, this may actually be slower than fallback path. + * - uploads the whole image even if destination is clipped + * + * Need to benchmark. + * + * Given the questions about performance, implement for pbo's only. + * This path is definitely a win if the pbo is already in agp. If it + * turns out otherwise, we can add the code necessary to upload client + * data to agp space before performing the blit. (Though it may turn + * out to be better/simpler just to use the texture engine). + */ +static GLboolean +do_blit_drawpixels(GLcontext * ctx, + GLint x, GLint y, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid * pixels) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_region *dest = intel_drawbuf_region(intel); + struct intel_buffer_object *src = intel_buffer_object(unpack->BufferObj); + GLuint src_offset; + GLuint rowLength; + dri_fence *fence = NULL; + + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s\n", __FUNCTION__); + + + if (!dest) { + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s - no dest\n", __FUNCTION__); + return GL_FALSE; + } + + if (src) { + /* This validation should be done by core mesa: + */ + if (!_mesa_validate_pbo_access(2, unpack, width, height, 1, + format, type, pixels)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels"); + return GL_TRUE; + } + } + else { + /* PBO only for now: + */ + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s - not PBO\n", __FUNCTION__); + return GL_FALSE; + } + + if (!intel_check_blit_format(dest, format, type)) { + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s - bad format for blit\n", __FUNCTION__); + return GL_FALSE; + } + + if (!intel_check_blit_fragment_ops(ctx)) { + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s - bad GL fragment state for blitter\n", + __FUNCTION__); + return GL_FALSE; + } + + if (ctx->Pixel.ZoomX != 1.0F) { + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s - bad PixelZoomX for blit\n", __FUNCTION__); + return GL_FALSE; + } + + + if (unpack->RowLength > 0) + rowLength = unpack->RowLength; + else + rowLength = width; + + if (ctx->Pixel.ZoomY == -1.0F) { + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s - bad PixelZoomY for blit\n", __FUNCTION__); + return GL_FALSE; /* later */ + y -= height; + } + else if (ctx->Pixel.ZoomY == 1.0F) { + rowLength = -rowLength; + } + else { + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s - bad PixelZoomY for blit\n", __FUNCTION__); + return GL_FALSE; + } + + src_offset = (GLuint) _mesa_image_address(2, unpack, pixels, width, height, + format, type, 0, 0, 0); + + intelFlush(&intel->ctx); + LOCK_HARDWARE(intel); + + if (intel->driDrawable->numClipRects) { + __DRIdrawablePrivate *dPriv = intel->driDrawable; + int nbox = dPriv->numClipRects; + drm_clip_rect_t *box = dPriv->pClipRects; + drm_clip_rect_t rect; + drm_clip_rect_t dest_rect; + dri_bo *src_buffer = intel_bufferobj_buffer(intel, src, INTEL_READ); + int i; + + dest_rect.x1 = dPriv->x + x; + dest_rect.y1 = dPriv->y + dPriv->h - (y + height); + dest_rect.x2 = dest_rect.x1 + width; + dest_rect.y2 = dest_rect.y1 + height; + + for (i = 0; i < nbox; i++) { + if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i])) + continue; + + intelEmitCopyBlit(intel, + dest->cpp, + rowLength, src_buffer, src_offset, GL_FALSE, + dest->pitch, dest->buffer, 0, dest->tiled, + rect.x1 - dest_rect.x1, + rect.y2 - dest_rect.y2, + rect.x1, + rect.y1, rect.x2 - rect.x1, rect.y2 - rect.y1, + ctx->Color.ColorLogicOpEnabled ? + ctx->Color.LogicOp : GL_COPY); + } + intel_batchbuffer_flush(intel->batch); + fence = intel->batch->last_fence; + dri_fence_reference(fence); + } + UNLOCK_HARDWARE(intel); + + if (fence) { + dri_fence_wait(fence); + dri_fence_unreference(fence); + } + + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s - DONE\n", __FUNCTION__); + + return GL_TRUE; +} + + + +void +intelDrawPixels(GLcontext * ctx, + GLint x, GLint y, + GLsizei width, GLsizei height, + GLenum format, + GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid * pixels) +{ + if (do_blit_drawpixels(ctx, x, y, width, height, format, type, + unpack, pixels)) + return; + + if (do_texture_drawpixels(ctx, x, y, width, height, format, type, + unpack, pixels)) + return; + + + if (INTEL_DEBUG & DEBUG_PIXEL) + _mesa_printf("%s: fallback to swrast\n", __FUNCTION__); + + if (ctx->FragmentProgram._Current == ctx->FragmentProgram._TexEnvProgram) { + /* + * We don't want the i915 texenv program to be applied to DrawPixels. + * This is really just a performance optimization (mesa will other- + * wise happily run the fragment program on each pixel in the image). + */ + struct gl_fragment_program *fpSave = ctx->FragmentProgram._Current; + /* can't just set current frag prog to 0 here as on buffer resize + we'll get new state checks which will segfault. Remains a hack. */ + ctx->FragmentProgram._Current = NULL; + ctx->FragmentProgram._UseTexEnvProgram = GL_FALSE; + ctx->FragmentProgram._Active = GL_FALSE; + _swrast_DrawPixels( ctx, x, y, width, height, format, type, + unpack, pixels ); + ctx->FragmentProgram._Current = fpSave; + ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE; + ctx->FragmentProgram._Active = GL_TRUE; + } + else { + _swrast_DrawPixels( ctx, x, y, width, height, format, type, + unpack, pixels ); + } +} |