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Add support for GL_EXT_unpack_subimage on GLES2 

This extension just permits GL_UNPACK_ROW_LENGTH, GL_UNPACK_SKIP_ROWS
and GL_UNPACK_SKIP_PIXELS to be passed to glPixelStore on GLES2 so it
is trivial to implement.
This commit is contained in:
Neil Roberts 2012-03-21 18:08:42 +00:00 committed by Kristian Høgsberg
parent 860f4846c7
commit 03f617f413
2 changed files with 23 additions and 6 deletions
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28
src/mesa/main/APIspec.xml
View File

@ -1174,15 +1174,30 @@
<desc name="pname">
<value name="GL_PACK_ALIGNMENT"/>
<value name="GL_UNPACK_ALIGNMENT"/>
<desc name="param" error="GL_INVALID_VALUE">
<value name="1"/>
<value name="2"/>
<value name="4"/>
<value name="8"/>
</desc>
</desc>
<desc name="param" error="GL_INVALID_VALUE">
<value name="1"/>
<value name="2"/>
<value name="4"/>
<value name="8"/>
<desc name="pname">
<value name="GL_UNPACK_ALIGNMENT"/>
<desc name="param" error="GL_INVALID_VALUE">
<value name="1"/>
<value name="2"/>
<value name="4"/>
<value name="8"/>
</desc>
</desc>
<desc name="pname" category="EXT_unpack_subimage">
<value name="GL_UNPACK_ROW_LENGTH"/>
<value name="GL_UNPACK_SKIP_PIXELS"/>
<value name="GL_UNPACK_SKIP_ROWS"/>
</desc>
</template>
<template name="ReadPixels" direction="get">
@ -4132,6 +4147,7 @@
<category name="EXT_multi_draw_arrays"/>
<category name="OES_EGL_image"/>
<category name="OES_EGL_image_external"/>
<category name="EXT_unpack_subimage"/>
<category name="NV_draw_buffers"/>
<function name="DrawBuffersNV" template="DrawBuffers"/>

1
src/mesa/main/extensions.c
View File

@ -213,6 +213,7 @@ static const struct extension extension_table[] = {
{ "GL_EXT_texture_type_2_10_10_10_REV", o(dummy_true), ES2, 2008 },
{ "GL_EXT_timer_query", o(EXT_timer_query), GL, 2006 },
{ "GL_EXT_transform_feedback", o(EXT_transform_feedback), GL, 2011 },
{ "GL_EXT_unpack_subimage", o(dummy_true), ES2, 2011 },
{ "GL_EXT_vertex_array_bgra", o(EXT_vertex_array_bgra), GL, 2008 },
{ "GL_EXT_vertex_array", o(dummy_true), GL, 1995 },