From 77a5bcaff43df8d54e0e0ef833726e4b41d7eb36 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 7 Nov 2007 10:04:59 -0800 Subject: [intel] Move over files that will be shared with 965-fbo work. --- src/mesa/drivers/dri/i915/intel_regions.c | 484 +----------------------------- 1 file changed, 1 insertion(+), 483 deletions(-) mode change 100644 => 120000 src/mesa/drivers/dri/i915/intel_regions.c (limited to 'src/mesa/drivers/dri/i915/intel_regions.c') diff --git a/src/mesa/drivers/dri/i915/intel_regions.c b/src/mesa/drivers/dri/i915/intel_regions.c deleted file mode 100644 index 7799fdbb116..00000000000 --- a/src/mesa/drivers/dri/i915/intel_regions.c +++ /dev/null @@ -1,483 +0,0 @@ -/************************************************************************** - * - * 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 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. - * - **************************************************************************/ - -/* Provide additional functionality on top of bufmgr buffers: - * - 2d semantics and blit operations - * - refcounting of buffers for multiple images in a buffer. - * - refcounting of buffer mappings. - * - some logic for moving the buffers to the best memory pools for - * given operations. - * - * Most of this is to make it easier to implement the fixed-layout - * mipmap tree required by intel hardware in the face of GL's - * programming interface where each image can be specifed in random - * order and it isn't clear what layout the tree should have until the - * last moment. - */ - -#include "intel_context.h" -#include "intel_regions.h" -#include "intel_blit.h" -#include "intel_buffer_objects.h" -#include "dri_bufmgr.h" -#include "intel_bufmgr_ttm.h" -#include "intel_batchbuffer.h" - -#define FILE_DEBUG_FLAG DEBUG_REGION - -void -intel_region_idle(intelScreenPrivate *intelScreen, struct intel_region *region) -{ - DBG("%s\n", __FUNCTION__); - /* XXX: Using this function is likely bogus -- it ought to only have been - * used before a map, anyway, but leave this cheap implementation of it - * for now. - */ - if (region && region->buffer) { - /* Mapping it for read will ensure that any acceleration to the region - * would have landed already. - */ - dri_bo_map(region->buffer, GL_TRUE); - dri_bo_unmap(region->buffer); - } -} - -/* XXX: Thread safety? - */ -GLubyte * -intel_region_map(intelScreenPrivate *intelScreen, struct intel_region *region) -{ - DBG("%s\n", __FUNCTION__); - if (!region->map_refcount++) { - if (region->pbo) - intel_region_cow(intelScreen, region); - - dri_bo_map(region->buffer, GL_TRUE); - region->map = region->buffer->virtual; - } - - return region->map; -} - -void -intel_region_unmap(intelScreenPrivate *intelScreen, struct intel_region *region) -{ - DBG("%s\n", __FUNCTION__); - if (!--region->map_refcount) { - dri_bo_unmap(region->buffer); - region->map = NULL; - } -} - -struct intel_region * -intel_region_alloc(intelScreenPrivate *intelScreen, - GLuint cpp, GLuint pitch, GLuint height) -{ - struct intel_region *region = calloc(sizeof(*region), 1); - - DBG("%s\n", __FUNCTION__); - - region->cpp = cpp; - region->pitch = pitch; - region->height = height; /* needed? */ - region->refcount = 1; - - region->buffer = dri_bo_alloc(intelScreen->bufmgr, "region", - pitch * cpp * height, 64, DRM_BO_FLAG_MEM_TT); - return region; -} - -void -intel_region_reference(struct intel_region **dst, struct intel_region *src) -{ - assert(*dst == NULL); - if (src) { - src->refcount++; - *dst = src; - } -} - -void -intel_region_release(struct intel_region **region) -{ - if (!*region) - return; - - DBG("%s %d\n", __FUNCTION__, (*region)->refcount - 1); - - ASSERT((*region)->refcount > 0); - (*region)->refcount--; - - if ((*region)->refcount == 0) { - assert((*region)->map_refcount == 0); - - if ((*region)->pbo) - (*region)->pbo->region = NULL; - (*region)->pbo = NULL; - dri_bo_unreference((*region)->buffer); - free(*region); - } - *region = NULL; -} - - -struct intel_region * -intel_region_create_static(intelScreenPrivate *intelScreen, - GLuint mem_type, - unsigned int bo_handle, - GLuint offset, - void *virtual, - GLuint cpp, GLuint pitch, GLuint height) -{ - struct intel_region *region = calloc(sizeof(*region), 1); - DBG("%s\n", __FUNCTION__); - - region->cpp = cpp; - region->pitch = pitch; - region->height = height; /* needed? */ - region->refcount = 1; - - if (intelScreen->ttm) { - assert(bo_handle != -1); - region->buffer = intel_ttm_bo_create_from_handle(intelScreen->bufmgr, - "static region", - bo_handle); - } else { - region->buffer = dri_bo_alloc_static(intelScreen->bufmgr, - "static region", - offset, pitch * cpp * height, - virtual, - DRM_BO_FLAG_MEM_TT); - } - - return region; -} - - - -void -intel_region_update_static(intelScreenPrivate *intelScreen, - struct intel_region *region, - GLuint mem_type, - unsigned int bo_handle, - GLuint offset, - void *virtual, - GLuint cpp, GLuint pitch, GLuint height) -{ - DBG("%s\n", __FUNCTION__); - - region->cpp = cpp; - region->pitch = pitch; - region->height = height; /* needed? */ - - /* - * We use a "shared" buffer type to indicate buffers created and - * shared by others. - */ - - dri_bo_unreference(region->buffer); - if (intelScreen->ttm) { - assert(bo_handle != -1); - region->buffer = intel_ttm_bo_create_from_handle(intelScreen->bufmgr, - "static region", - bo_handle); - } else { - region->buffer = dri_bo_alloc_static(intelScreen->bufmgr, - "static region", - offset, pitch * cpp * height, - virtual, - DRM_BO_FLAG_MEM_TT); - } -} - - - -/* - * XXX Move this into core Mesa? - */ -static void -_mesa_copy_rect(GLubyte * dst, - GLuint cpp, - GLuint dst_pitch, - GLuint dst_x, - GLuint dst_y, - GLuint width, - GLuint height, - const GLubyte * src, - GLuint src_pitch, GLuint src_x, GLuint src_y) -{ - GLuint i; - - dst_pitch *= cpp; - src_pitch *= cpp; - dst += dst_x * cpp; - src += src_x * cpp; - dst += dst_y * dst_pitch; - src += src_y * dst_pitch; - width *= cpp; - - if (width == dst_pitch && width == src_pitch) - memcpy(dst, src, height * width); - else { - for (i = 0; i < height; i++) { - memcpy(dst, src, width); - dst += dst_pitch; - src += src_pitch; - } - } -} - - -/* Upload data to a rectangular sub-region. Lots of choices how to do this: - * - * - memcpy by span to current destination - * - upload data as new buffer and blit - * - * Currently always memcpy. - */ -void -intel_region_data(intelScreenPrivate *intelScreen, - struct intel_region *dst, - GLuint dst_offset, - GLuint dstx, GLuint dsty, - const void *src, GLuint src_pitch, - GLuint srcx, GLuint srcy, GLuint width, GLuint height) -{ - struct intel_context *intel = intelScreenContext(intelScreen); - - DBG("%s\n", __FUNCTION__); - - if (intel == NULL) - return; - - if (dst->pbo) { - if (dstx == 0 && - dsty == 0 && width == dst->pitch && height == dst->height) - intel_region_release_pbo(intelScreen, dst); - else - intel_region_cow(intelScreen, dst); - } - - - LOCK_HARDWARE(intel); - - _mesa_copy_rect(intel_region_map(intelScreen, dst) + dst_offset, - dst->cpp, - dst->pitch, - dstx, dsty, width, height, src, src_pitch, srcx, srcy); - - intel_region_unmap(intelScreen, dst); - - UNLOCK_HARDWARE(intel); - -} - -/* Copy rectangular sub-regions. Need better logic about when to - * push buffers into AGP - will currently do so whenever possible. - */ -void -intel_region_copy(intelScreenPrivate *intelScreen, - struct intel_region *dst, - GLuint dst_offset, - GLuint dstx, GLuint dsty, - struct intel_region *src, - GLuint src_offset, - GLuint srcx, GLuint srcy, GLuint width, GLuint height) -{ - struct intel_context *intel = intelScreenContext(intelScreen); - - DBG("%s\n", __FUNCTION__); - - if (intel == NULL) - return; - - if (dst->pbo) { - if (dstx == 0 && - dsty == 0 && width == dst->pitch && height == dst->height) - intel_region_release_pbo(intelScreen, dst); - else - intel_region_cow(intelScreen, dst); - } - - assert(src->cpp == dst->cpp); - - intelEmitCopyBlit(intel, - dst->cpp, - src->pitch, src->buffer, src_offset, - dst->pitch, dst->buffer, dst_offset, - srcx, srcy, dstx, dsty, width, height, - GL_COPY); -} - -/* Fill a rectangular sub-region. Need better logic about when to - * push buffers into AGP - will currently do so whenever possible. - */ -void -intel_region_fill(intelScreenPrivate *intelScreen, - struct intel_region *dst, - GLuint dst_offset, - GLuint dstx, GLuint dsty, - GLuint width, GLuint height, GLuint color) -{ - struct intel_context *intel = intelScreenContext(intelScreen); - - DBG("%s\n", __FUNCTION__); - - if (intel == NULL) - return; - - if (dst->pbo) { - if (dstx == 0 && - dsty == 0 && width == dst->pitch && height == dst->height) - intel_region_release_pbo(intelScreen, dst); - else - intel_region_cow(intelScreen, dst); - } - - intelEmitFillBlit(intel, - dst->cpp, - dst->pitch, dst->buffer, dst_offset, - dstx, dsty, width, height, color); -} - -/* Attach to a pbo, discarding our data. Effectively zero-copy upload - * the pbo's data. - */ -void -intel_region_attach_pbo(intelScreenPrivate *intelScreen, - struct intel_region *region, - struct intel_buffer_object *pbo) -{ - if (region->pbo == pbo) - return; - - /* If there is already a pbo attached, break the cow tie now. - * Don't call intel_region_release_pbo() as that would - * unnecessarily allocate a new buffer we would have to immediately - * discard. - */ - if (region->pbo) { - region->pbo->region = NULL; - region->pbo = NULL; - } - - if (region->buffer) { - dri_bo_unreference(region->buffer); - region->buffer = NULL; - } - - region->pbo = pbo; - region->pbo->region = region; - dri_bo_reference(pbo->buffer); - region->buffer = pbo->buffer; -} - - -/* Break the COW tie to the pbo and allocate a new buffer. - * The pbo gets to keep the data. - */ -void -intel_region_release_pbo(intelScreenPrivate *intelScreen, - struct intel_region *region) -{ - assert(region->buffer == region->pbo->buffer); - region->pbo->region = NULL; - region->pbo = NULL; - dri_bo_unreference(region->buffer); - region->buffer = NULL; - - region->buffer = dri_bo_alloc(intelScreen->bufmgr, "region", - region->pitch * region->cpp * region->height, - 64, DRM_BO_FLAG_MEM_TT); -} - -/* Break the COW tie to the pbo. Both the pbo and the region end up - * with a copy of the data. - */ -void -intel_region_cow(intelScreenPrivate *intelScreen, struct intel_region *region) -{ - struct intel_context *intel = intelScreenContext(intelScreen); - struct intel_buffer_object *pbo = region->pbo; - - if (intel == NULL) - return; - - intel_region_release_pbo(intelScreen, region); - - assert(region->cpp * region->pitch * region->height == pbo->Base.Size); - - DBG("%s (%d bytes)\n", __FUNCTION__, pbo->Base.Size); - - /* Now blit from the texture buffer to the new buffer: - */ - - intel_batchbuffer_flush(intel->batch); - - if (!intel->locked) { - LOCK_HARDWARE(intel); - intelEmitCopyBlit(intel, - region->cpp, - region->pitch, - region->buffer, 0, - region->pitch, - pbo->buffer, 0, - 0, 0, 0, 0, - region->pitch, region->height, - GL_COPY); - - intel_batchbuffer_flush(intel->batch); - UNLOCK_HARDWARE(intel); - } - else { - intelEmitCopyBlit(intel, - region->cpp, - region->pitch, - region->buffer, 0, - region->pitch, - pbo->buffer, 0, - 0, 0, 0, 0, - region->pitch, region->height, - GL_COPY); - - intel_batchbuffer_flush(intel->batch); - } -} - -dri_bo * -intel_region_buffer(intelScreenPrivate *intelScreen, - struct intel_region *region, GLuint flag) -{ - if (region->pbo) { - if (flag == INTEL_WRITE_PART) - intel_region_cow(intelScreen, region); - else if (flag == INTEL_WRITE_FULL) - intel_region_release_pbo(intelScreen, region); - } - - return region->buffer; -} diff --git a/src/mesa/drivers/dri/i915/intel_regions.c b/src/mesa/drivers/dri/i915/intel_regions.c new file mode 120000 index 00000000000..89b2f15c10f --- /dev/null +++ b/src/mesa/drivers/dri/i915/intel_regions.c @@ -0,0 +1 @@ +../intel/intel_regions.c \ No newline at end of file -- cgit v1.2.3