From 9f344b3e7d6e23674dd4747faec253f103563b36 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 9 Aug 2006 19:14:05 +0000 Subject: Add Intel i965G/Q DRI driver. This driver comes from Tungsten Graphics, with a few further modifications by Intel. --- src/mesa/drivers/dri/i965/brw_state_pool.c | 153 +++++++++++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100644 src/mesa/drivers/dri/i965/brw_state_pool.c (limited to 'src/mesa/drivers/dri/i965/brw_state_pool.c') diff --git a/src/mesa/drivers/dri/i965/brw_state_pool.c b/src/mesa/drivers/dri/i965/brw_state_pool.c new file mode 100644 index 0000000000..60565bf83c --- /dev/null +++ b/src/mesa/drivers/dri/i965/brw_state_pool.c @@ -0,0 +1,153 @@ +/* + Copyright (C) Intel Corp. 2006. All Rights Reserved. + Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + develop this 3D driver. + + 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, sublicense, 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 NONINFRINGEMENT. + IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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. + + **********************************************************************/ + /* + * Authors: + * Keith Whitwell + */ + + +#include "brw_state.h" +#include "imports.h" + +#include "intel_ioctl.h" +#include "bufmgr.h" + +GLboolean brw_pool_alloc( struct brw_mem_pool *pool, + GLuint size, + GLuint align, + GLuint *offset_return) +{ + GLuint align_mask = (1<offset + align_mask) & ~align_mask) - pool->offset; + + size = (size + 3) & ~3; + + if (pool->offset + fixup + size >= pool->size) { + assert(0); + exit(0); + } + + pool->offset += fixup; + *offset_return = pool->offset; + pool->offset += size; + + return GL_TRUE; +} + +static +void brw_invalidate_pool( struct intel_context *intel, + struct brw_mem_pool *pool ) +{ + if (INTEL_DEBUG & DEBUG_STATE) + _mesa_printf("\n\n\n %s \n\n\n", __FUNCTION__); + + bmBufferData(intel, + pool->buffer, + pool->size, + NULL, + 0); + + pool->offset = 0; + + brw_clear_all_caches(pool->brw); +} + +static void brw_invalidate_pool_cb( struct intel_context *intel, void *ptr ) +{ + struct brw_mem_pool *pool = (struct brw_mem_pool *) ptr; + + pool->offset = 0; + brw_clear_all_caches(pool->brw); +} + + + +static void brw_init_pool( struct brw_context *brw, + GLuint pool_id, + GLuint size ) +{ + struct brw_mem_pool *pool = &brw->pool[pool_id]; + + pool->size = size; + pool->brw = brw; + + bmGenBuffers(&brw->intel, "pool", 1, &pool->buffer); + + /* Also want to say not to wait on fences when data is presented + */ + bmBufferSetInvalidateCB(&brw->intel, pool->buffer, + brw_invalidate_pool_cb, + pool, + GL_TRUE); + + bmBufferData(&brw->intel, + pool->buffer, + pool->size, + NULL, + 0); + +} + +static void brw_destroy_pool( struct brw_context *brw, + GLuint pool_id ) +{ + struct brw_mem_pool *pool = &brw->pool[pool_id]; + + bmDeleteBuffers(&brw->intel, 1, &pool->buffer); +} + + +void brw_pool_check_wrap( struct brw_context *brw, + struct brw_mem_pool *pool ) +{ + if (pool->offset > (pool->size * 3) / 4) { + if (brw->intel.aub_file) + brw->intel.aub_wrap = 1; + else + brw->state.dirty.brw |= BRW_NEW_CONTEXT; + } + +} + +void brw_init_pools( struct brw_context *brw ) +{ + brw_init_pool(brw, BRW_GS_POOL, 0x80000); + brw_init_pool(brw, BRW_SS_POOL, 0x80000); +} + +void brw_destroy_pools( struct brw_context *brw ) +{ + brw_destroy_pool(brw, BRW_GS_POOL); + brw_destroy_pool(brw, BRW_SS_POOL); +} + + +void brw_invalidate_pools( struct brw_context *brw ) +{ + brw_invalidate_pool(&brw->intel, &brw->pool[BRW_GS_POOL]); + brw_invalidate_pool(&brw->intel, &brw->pool[BRW_SS_POOL]); +} -- cgit v1.2.3