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author | Eric Anholt <eric@anholt.net> | 2013-06-20 16:07:07 -0700 |
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committer | Eric Anholt <eric@anholt.net> | 2013-06-26 12:28:26 -0700 |
commit | 3dbba95b72262344b82fba018b7c2c1208754cd2 (patch) | |
tree | e8d08b711fae37888c280efa3d7c0a806cefa318 /src/mesa/drivers/dri/i965/intel_buffers.c | |
parent | 733d32f3765be84a7e908df7e99a278cadcee853 (diff) | |
download | external_mesa3d-3dbba95b72262344b82fba018b7c2c1208754cd2.zip external_mesa3d-3dbba95b72262344b82fba018b7c2c1208754cd2.tar.gz external_mesa3d-3dbba95b72262344b82fba018b7c2c1208754cd2.tar.bz2 |
i965: Move the remaining intel code to the i965 directory.
Now that i915's forked off, they don't need to live in a shared directory.
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Chad Versace <chad.versace@linux.intel.com>
Acked-by: Adam Jackson <ajax@redhat.com>
(and I hear second hand that idr is OK with it, too)
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_buffers.c')
-rw-r--r--[l---------] | src/mesa/drivers/dri/i965/intel_buffers.c | 119 |
1 files changed, 118 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_buffers.c b/src/mesa/drivers/dri/i965/intel_buffers.c index c86daa4..fdad480 120000..100644 --- a/src/mesa/drivers/dri/i965/intel_buffers.c +++ b/src/mesa/drivers/dri/i965/intel_buffers.c @@ -1 +1,118 @@ -../intel/intel_buffers.c
\ No newline at end of file +/************************************************************************** + * + * 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 "intel_context.h" +#include "intel_buffers.h" +#include "intel_fbo.h" +#include "intel_mipmap_tree.h" + +#include "main/fbobject.h" +#include "main/framebuffer.h" +#include "main/renderbuffer.h" + +/** + * Return pointer to current color reading region, or NULL. + */ +struct intel_region * +intel_readbuf_region(struct intel_context *intel) +{ + struct intel_renderbuffer *irb + = intel_renderbuffer(intel->ctx.ReadBuffer->_ColorReadBuffer); + if (irb && irb->mt) + return irb->mt->region; + else + return NULL; +} + +/** + * Check if we're about to draw into the front color buffer. + * If so, set the intel->front_buffer_dirty field to true. + */ +void +intel_check_front_buffer_rendering(struct intel_context *intel) +{ + const struct gl_framebuffer *fb = intel->ctx.DrawBuffer; + if (_mesa_is_winsys_fbo(fb)) { + /* drawing to window system buffer */ + if (fb->_NumColorDrawBuffers > 0) { + if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) { + intel->front_buffer_dirty = true; + } + } + } +} + +static void +intelDrawBuffer(struct gl_context * ctx, GLenum mode) +{ + if (ctx->DrawBuffer && _mesa_is_winsys_fbo(ctx->DrawBuffer)) { + struct intel_context *const intel = intel_context(ctx); + const bool was_front_buffer_rendering = + intel->is_front_buffer_rendering; + + intel->is_front_buffer_rendering = (mode == GL_FRONT_LEFT) + || (mode == GL_FRONT) || (mode == GL_FRONT_AND_BACK); + + /* If we weren't front-buffer rendering before but we are now, + * invalidate our DRI drawable so we'll ask for new buffers + * (including the fake front) before we start rendering again. + */ + if (!was_front_buffer_rendering && intel->is_front_buffer_rendering) + dri2InvalidateDrawable(intel->driContext->driDrawablePriv); + } + + intel_draw_buffer(ctx); +} + + +static void +intelReadBuffer(struct gl_context * ctx, GLenum mode) +{ + if (ctx->DrawBuffer && _mesa_is_winsys_fbo(ctx->DrawBuffer)) { + struct intel_context *const intel = intel_context(ctx); + const bool was_front_buffer_reading = + intel->is_front_buffer_reading; + + intel->is_front_buffer_reading = (mode == GL_FRONT_LEFT) + || (mode == GL_FRONT); + + /* If we weren't front-buffer reading before but we are now, + * invalidate our DRI drawable so we'll ask for new buffers + * (including the fake front) before we start reading again. + */ + if (!was_front_buffer_reading && intel->is_front_buffer_reading) + dri2InvalidateDrawable(intel->driContext->driReadablePriv); + } +} + + +void +intelInitBufferFuncs(struct dd_function_table *functions) +{ + functions->DrawBuffer = intelDrawBuffer; + functions->ReadBuffer = intelReadBuffer; +} |