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egl: Implement EGL_EXT_config_select_group

Browse source 
It allows us to influence the order of EGL configs for arbitrary
reasons, which will be used in the following commit.

Based on a patch by Freya Gentz <zegentzy@protonmail.com>, see
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/2376

Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: David Heidelberg <david.heidelberg@collabora.com>
Signed-off-by: Robert Mader <robert.mader@posteo.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9989>
This commit is contained in:
Robert Mader 2021-10-16 17:38:03 +02:00 • committed by Marge Bot
parent 8b6b327d1b
commit 0d90415625
5 changed files with 15 additions and 0 deletions
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2
src/egl/drivers/dri2/egl_dri2.c
View file

@ -790,6 +790,8 @@ dri2_setup_screen(_EGLDisplay *disp)
disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
}
disp->Extensions.EXT_config_select_group = EGL_TRUE;
disp->Extensions.EXT_create_context_robustness =
get_screen_param(disp, PIPE_CAP_DEVICE_RESET_STATUS_QUERY);
disp->RobustBufferAccess =

1
src/egl/main/eglapi.c
View file

@ -547,6 +547,7 @@ _eglCreateExtensionsString(_EGLDisplay *disp)
_EGL_CHECK_EXTENSION(ANGLE_sync_control_rate);
_EGL_CHECK_EXTENSION(EXT_buffer_age);
_EGL_CHECK_EXTENSION(EXT_config_select_group);
_EGL_CHECK_EXTENSION(EXT_create_context_robustness);
_EGL_CHECK_EXTENSION(EXT_image_dma_buf_import);
_EGL_CHECK_EXTENSION(EXT_image_dma_buf_import_modifiers);

9
src/egl/main/eglconfig.c
View file

@ -249,6 +249,9 @@ static const struct {
{ EGL_COLOR_COMPONENT_TYPE_EXT, ATTRIB_TYPE_ENUM,
ATTRIB_CRITERION_EXACT,
EGL_COLOR_COMPONENT_TYPE_FIXED_EXT },
{ EGL_CONFIG_SELECT_GROUP_EXT, ATTRIB_TYPE_INTEGER,
ATTRIB_CRITERION_IGNORE,
0 },
/* clang-format on */
};
@ -287,6 +290,8 @@ _eglValidateConfig(const _EGLConfig *conf, EGLBoolean for_matching)
if (val > 1 || val < 0)
valid = EGL_FALSE;
break;
case EGL_CONFIG_SELECT_GROUP_EXT:
break;
default:
if (val < 0)
valid = EGL_FALSE;
@ -587,6 +592,10 @@ _eglCompareConfigs(const _EGLConfig *conf1, const _EGLConfig *conf2,
if (conf1 == conf2)
return 0;
val1 = conf1->ConfigSelectGroup - conf2->ConfigSelectGroup;
if (val1)
return val1;
/* the enum values have the desired ordering */
STATIC_ASSERT(EGL_NONE < EGL_SLOW_CONFIG);
STATIC_ASSERT(EGL_SLOW_CONFIG < EGL_NON_CONFORMANT_CONFIG);

2
src/egl/main/eglconfig.h
View file

@ -84,6 +84,7 @@ struct _egl_config {
EGLint FramebufferTargetAndroid;
EGLint RecordableAndroid;
EGLint ComponentType;
EGLint ConfigSelectGroup;
};
/**
@ -135,6 +136,7 @@ _eglOffsetOfConfig(EGLint attr)
ATTRIB_MAP(EGL_FRAMEBUFFER_TARGET_ANDROID, FramebufferTargetAndroid);
ATTRIB_MAP(EGL_RECORDABLE_ANDROID, RecordableAndroid);
ATTRIB_MAP(EGL_COLOR_COMPONENT_TYPE_EXT, ComponentType);
ATTRIB_MAP(EGL_CONFIG_SELECT_GROUP_EXT, ConfigSelectGroup);
#undef ATTRIB_MAP
default:
return -1;

1
src/egl/main/egldisplay.h
View file

@ -102,6 +102,7 @@ struct _egl_extensions {
EGLBoolean CHROMIUM_sync_control;
EGLBoolean EXT_buffer_age;
EGLBoolean EXT_config_select_group;
EGLBoolean EXT_create_context_robustness;
EGLBoolean EXT_image_dma_buf_import;
EGLBoolean EXT_image_dma_buf_import_modifiers;