[Mesa-dev] [PATCH] Add support for GL_EXT_unpack_subimage on GLES2
Neil Roberts
neil at linux.intel.com
Wed Mar 21 11:08:42 PDT 2012
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.
---
src/mesa/main/APIspec.xml | 26 +++++++++++++++++++++-----
src/mesa/main/extensions.c | 1 +
2 files changed, 22 insertions(+), 5 deletions(-)
diff --git a/src/mesa/main/APIspec.xml b/src/mesa/main/APIspec.xml
index eeae599..950ff22 100644
--- a/src/mesa/main/APIspec.xml
+++ b/src/mesa/main/APIspec.xml
@@ -1174,15 +1174,30 @@
<desc name="pname">
<value name="GL_PACK_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">
<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" 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">
@@ -4129,6 +4144,7 @@
<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"/>
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 732b9a6..a93081d 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -212,6 +212,7 @@ 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 },
--
1.7.3.16.g9464b
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