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mesa: implement clamping controls (ARB_color_buffer_float)

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Squashed commit of the following:

Author: Marek Olšák <maraeo@gmail.com>

    mesa: fix getteximage so that it doesn't clamp values
    mesa: update the compute_version function
    mesa: add display list support for ARB_color_buffer_float
    mesa: fix glGet query with GL_ALPHA_TEST_REF and ARB_color_buffer_float

commit b2f6ddf907935b2594d2831ddab38cf57a1729ce
Author: Luca Barbieri <luca@luca-barbieri.com>
Date:   Tue Aug 31 16:50:57 2010 +0200

    mesa: document known possible deviations from ARB_color_buffer_float

commit 5458935be800c1b19d1c9d1569dc4fa30a97e8b8
Author: Luca Barbieri <luca@luca-barbieri.com>
Date:   Tue Aug 24 21:54:56 2010 +0200

    mesa: expose GL_ARB_color_buffer_float

commit aef5c3c6be6edd076e955e37c80905bc447f8a82
Author: Luca Barbieri <luca@luca-barbieri.com>
Date:   Thu Aug 26 18:12:34 2010 +0200

    mesa, mesa/st: handle read color clamping properly

    (I'll squash the st/mesa part to a separate commit. -Marek)

    We set IMAGE_CLAMP_BIT in the caller based on _ClampReadColor, where
    the operation mandates it.

    TODO: did I get the set of operations mandating it right?

commit 3a9cb5e59b676b6148c50907ce6eef5441677e36
Author: Luca Barbieri <luca@luca-barbieri.com>
Date:   Thu Aug 26 18:09:41 2010 +0200

    mesa: respect color clamping in texenv programs (v2)

    Changes in v2:
    - Fix attributes other than vertex color sometimes getting clamped

commit de26f9e47e886e176aab6e5a2c3d4481efb64362
Author: Luca Barbieri <luca@luca-barbieri.com>
Date:   Thu Aug 26 18:05:53 2010 +0200

    mesa: restore color clamps on glPopAttrib

commit a55ac3c300c189616627c05d924c40a8b55bfafa
Author: Luca Barbieri <luca@luca-barbieri.com>
Date:   Thu Aug 26 18:04:26 2010 +0200

    mesa: clamp color queries if and only if fragment clamping is enabled

commit 9940a3e31c2fb76cc3d28b15ea78dde369825107
Author: Luca Barbieri <luca@luca-barbieri.com>
Date:   Wed Aug 25 00:00:16 2010 +0200

    mesa: introduce derived _ClampXxxColor state resolving FIXED_ONLY

    To do this, we make ClampColor call FLUSH_VERTICES with the appropriate
    _NEW flag.

    We introduce _NEW_FRAG_CLAMP since fragment clamping has wide-ranging
    effects, despite being in the Color attrib group.

    This may be easily changed by s/_NEW_FRAG_CLAMP/_NEW_COLOR/g

commit 6244c446e3beed5473b4e811d10787e4019f59d6
Author: Luca Barbieri <luca@luca-barbieri.com>
Date:   Thu Aug 26 17:58:24 2010 +0200

    mesa: add unclamped color parameters
This commit is contained in:
Marek Olšák
2011-02-15 23:30:23 +01:00
parent 3bdd12ecb5
commit e5c6a92a12
27 changed files with 294 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/mapi/glapi/gen/ARB_color_buffer_float.xml
+25
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@@ -0,0 +1,25 @@
<?xml version="1.0"?>
<!DOCTYPE OpenGLAPI SYSTEM "gl_API.dtd">
<!-- Note: no GLX protocol info yet. -->
<OpenGLAPI>
<category name="GL_ARB_color_buffer_float" number="39">
<enum name="RGBA_FLOAT_MODE_ARB" value="0x8820"/>
<enum name="CLAMP_VERTEX_COLOR_ARB" value="0x891A"/>
<enum name="CLAMP_FRAGMENT_COLOR_ARB" value="0x891B"/>
<enum name="CLAMP_READ_COLOR_ARB" value="0x891C"/>
<enum name="FIXED_ONLY_ARB" value="0x891D"/>
<function name="ClampColorARB" offset="assign">
<param name="target" type="GLenum"/>
<param name="clamp" type="GLenum"/>
<glx rop="234"/>
</function>
</category>
</OpenGLAPI>
src/mapi/glapi/gen/Makefile
+1
View File
@@ -69,6 +69,7 @@ XORG_OUTPUTS = \
API_XML = \
gl_API.xml \
ARB_color_buffer_float.xml \
ARB_copy_buffer.xml \
ARB_depth_clamp.xml \
ARB_draw_buffers_blend.xml \
src/mapi/glapi/gen/gl_API.xml
+1
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@@ -7979,6 +7979,7 @@
<xi:include href="ARB_geometry_shader4.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
<xi:include href="ARB_color_buffer_float.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
<!-- Non-ARB extensions sorted by extension number. -->